:root {
  --bg: #f4f3ef;
  --panel: #fffefb;
  --ink: #20211e;
  --muted: #77776f;
  --line: #deddd5;
  --accent: #345843;
  --accent-soft: #e5eee8;
  --warn: #8c5d20;
  --danger: #8a3d3d;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
.shell { display: grid; grid-template-columns: 236px minmax(0, 1fr); min-height: 100vh; }
.sidebar { background: #1f2822; color: #eef3ef; padding: 26px 18px; display: flex; flex-direction: column; gap: 34px; }
.brand { display: flex; align-items: center; gap: 12px; padding: 0 8px; }
.brand-mark { width: 42px; height: 42px; border: 1px solid #79917f; border-radius: 13px; display: grid; place-items: center; font-family: serif; font-size: 23px; }
.brand strong, .brand span { display: block; }
.brand span { margin-top: 3px; color: #9daf9f; font-size: 12px; }
nav { display: grid; gap: 7px; }
.nav-item { border: 0; background: transparent; color: #b9c6bc; text-align: left; padding: 12px 14px; border-radius: 10px; }
.nav-item.active { background: #344239; color: white; }
.nav-item:disabled { cursor: default; opacity: .58; }
.nav-item em { font-size: 10px; font-style: normal; float: right; margin-top: 2px; }
.sidebar-note { margin-top: auto; border-top: 1px solid #3a463d; padding: 18px 8px 0; color: #a8b4aa; font-size: 12px; line-height: 1.7; }
main { padding: 0 38px 64px; min-width: 0; max-width: 1500px; width: 100%; margin: 0 auto; }
.topbar { height: 112px; display: flex; align-items: center; justify-content: space-between; }
.topbar h1 { margin: 2px 0 0; font-size: 28px; letter-spacing: -.5px; }
.eyebrow { margin: 0; font-size: 10px; letter-spacing: 1.9px; color: #8a8b83; font-weight: 700; }
.status-pill { padding: 8px 11px; border-radius: 999px; font-size: 12px; background: #eceae4; color: #696a64; }
.status-pill.ok { background: var(--accent-soft); color: var(--accent); }
.view { display: none; }
.view.active { display: block; }
.dashboard-hero { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(420px, .8fr); gap: 18px; align-items: stretch; }
.dashboard-hero > div:first-child { background: var(--panel); border: 1px solid var(--line); border-radius: 22px; padding: 34px; display: flex; flex-direction: column; justify-content: center; min-height: 280px; }
.dashboard-hero h2 { margin: 8px 0 10px; font-size: 36px; line-height: 1.16; letter-spacing: -1px; }
.dashboard-hero p:not(.eyebrow) { max-width: 640px; color: var(--muted); line-height: 1.8; }
.dashboard-actions { display: flex; gap: 10px; margin-top: 18px; }
.dashboard-kpis { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.kpi-card { background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: 20px; display: flex; min-height: 132px; flex-direction: column; justify-content: center; }
.kpi-card span { color: var(--muted); font-size: 12px; }
.kpi-card strong { font-size: 34px; line-height: 1; margin: 10px 0 8px; letter-spacing: -1px; }
.kpi-card small { color: #8a8b83; }
.dashboard-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(320px, .75fr); gap: 14px; margin-top: 18px; }
.dashboard-panel { background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: 18px; }
.quick-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.quick-tag { border: 1px solid #d8d7cf; background: #fafaf6; color: #454741; border-radius: 999px; padding: 9px 12px; font-size: 12px; }
.quick-tag:hover { border-color: #7c9483; background: var(--accent-soft); color: var(--accent); }
.mini-list { display: grid; gap: 8px; }
.mini-row { border: 1px solid #e3e2db; border-radius: 12px; padding: 11px 12px; display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.mini-row strong { font-size: 13px; display: block; margin-bottom: 4px; }
.mini-row .meta { font-size: 11px; }
.dashboard-question-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.dashboard-question { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 15px; min-height: 190px; display: flex; flex-direction: column; }
.dashboard-question h3 { margin: 0; font-size: 13px; line-height: 1.45; }
.dashboard-question .stem-preview { color: #454741; line-height: 1.7; margin: 12px 0; font-size: 13px; display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden; }
.dashboard-question .classification-pills { margin-top: auto; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(330px, .75fr); gap: 18px; }
.hero-card, .upload-card, .source-row, .review-card, .question-card { background: var(--panel); border: 1px solid var(--line); border-radius: 18px; }
.hero-card { padding: 30px; min-height: 245px; display: flex; flex-direction: column; justify-content: center; }
.hero-card h2 { font-size: 30px; line-height: 1.18; max-width: 660px; margin: 10px 0; letter-spacing: -.8px; }
.hero-card > p:not(.eyebrow) { color: var(--muted); line-height: 1.7; max-width: 650px; }
.pipeline { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 18px; }
.pipeline span { background: #f1f2ed; padding: 7px 10px; border-radius: 8px; font-size: 12px; }
.pipeline b { color: #a5a59d; }
.upload-card { padding: 20px; display: grid; gap: 12px; }
.dropzone { min-height: 145px; border: 1px dashed #b8bbb2; border-radius: 14px; display: grid; place-items: center; align-content: center; gap: 6px; text-align: center; background: #fafaf6; cursor: pointer; }
.dropzone input { display: none; }
.dropzone small { color: var(--muted); }
.upload-icon { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent); font-weight: 800; }
.form-row { display: grid; grid-template-columns: 1fr 110px; gap: 8px; }
.form-field { display: grid; gap: 5px; min-width: 0; }
.form-field > span { font-size: 10px; color: var(--muted); }
.form-field input, .form-field select { width: 100%; }
input, select, textarea { border: 1px solid #cfcec6; border-radius: 9px; background: #fff; color: var(--ink); padding: 10px 11px; outline: none; }
input:focus, select:focus, textarea:focus { border-color: #738d7b; box-shadow: 0 0 0 3px rgba(52,88,67,.09); }
.primary, .ghost, .back { border: 0; border-radius: 9px; padding: 10px 13px; }
.primary { background: var(--accent); color: white; font-weight: 650; }
.primary:hover { filter: brightness(.95); }
.ghost { background: #ebeae4; color: #484944; }
.link-button { display: inline-flex; align-items: center; text-decoration: none; font-size: 13px; }
.back { background: transparent; color: #60615c; padding-left: 0; }
.section-head { display: flex; justify-content: space-between; align-items: end; margin: 34px 0 14px; }
.section-head h2 { margin: 4px 0 0; font-size: 21px; }
.source-list, .question-list { display: grid; gap: 10px; }
.source-row { padding: 16px 18px; display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 18px; }
.source-title { display: flex; align-items: center; gap: 12px; min-width: 0; }
.doc-icon { width: 38px; height: 44px; border-radius: 8px; border: 1px solid #d5d4cc; display: grid; place-items: center; color: var(--accent); background: #f7f8f3; font-size: 11px; font-weight: 800; }
.source-title h3 { margin: 0 0 5px; font-size: 15px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.meta { color: var(--muted); font-size: 12px; display: flex; flex-wrap: wrap; gap: 10px; }
.row-actions { display: flex; align-items: center; gap: 8px; }
.row-actions button, .row-actions a, .mini-source > span { white-space: nowrap; }
.badge { padding: 5px 8px; border-radius: 999px; font-size: 11px; background: #efeee8; color: #62635e; white-space: nowrap; }
.badge.review { background: #f3eadc; color: var(--warn); }
.badge.published { background: var(--accent-soft); color: var(--accent); }
.badge.failed { background: #f4e3e3; color: var(--danger); }
.empty-state { border: 1px dashed #cbc9c1; border-radius: 14px; color: var(--muted); padding: 42px; text-align: center; }
.review-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; margin: 10px 0 18px; }
.review-header h2 { margin: 6px 0 8px; font-size: 26px; }
.review-grid { display: grid; grid-template-columns: minmax(360px,.85fr) minmax(0,1.25fr); gap: 14px; align-items: start; }
.review-card { padding: 16px; }
.review-card h3 { margin: 0 0 12px; font-size: 15px; }
.review-preview-shell { display: grid; gap: 14px; }
.review-preview-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 18px; padding: 2px 2px 0; }
.review-preview-head h3 { margin: 4px 0 5px; font-size: 18px; }
.review-preview-head p { margin: 0; }
.review-preview-tip { max-width: 310px; color: var(--muted); font-size: 11px; line-height: 1.55; text-align: right; }
.review-published-preview { display: grid; gap: 14px; }
.review-question-preview { width: 100%; }
.review-question-preview .question-actions .badge { margin-left: auto; }
.review-question-editor { margin-top: 18px; border-top: 1px solid var(--line); padding-top: 12px; }
.review-question-editor > summary { width: fit-content; color: var(--muted); font-size: 12px; cursor: pointer; user-select: none; }
.review-editor-grid { display: grid; gap: 12px; margin-top: 14px; padding: 15px; border: 1px solid var(--line); border-radius: 10px; background: var(--paper); }
.review-editor-grid label { display: grid; gap: 6px; }
.review-editor-grid label > span, .review-option-editor > span { color: var(--muted); font-size: 11px; font-weight: 650; }
.review-editor-grid input, .review-editor-grid textarea { width: 100%; }
.review-editor-grid textarea { min-height: 76px; resize: vertical; line-height: 1.6; }
.review-editor-short { max-width: 140px; }
.review-option-editor { display: grid; gap: 8px; }
.review-option-editor label { grid-template-columns: 28px minmax(0,1fr); align-items: start; gap: 8px; }
.review-option-editor label b { padding-top: 10px; font-size: 12px; }
.review-option-editor textarea { min-height: 58px; }
.review-editor-actions { display: flex; justify-content: flex-end; }
.review-evidence-panel { margin-top: 18px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); overflow: hidden; }
.review-evidence-panel > summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 16px; cursor: pointer; }
.review-evidence-panel > summary span { font-size: 13px; font-weight: 650; }
.review-evidence-panel > summary small { color: var(--muted); font-size: 10px; }
.review-evidence-meta { padding: 0 16px 12px; }
.review-evidence-list { max-height: 62vh; margin: 0 16px 16px; }
.block-list { max-height: 72vh; overflow: auto; display: grid; gap: 7px; padding-right: 4px; }
.block { border: 1px solid #e1e0d9; border-radius: 9px; padding: 9px 10px; background: #fbfbf8; }
.block-top { display: flex; justify-content: space-between; gap: 10px; margin-bottom: 5px; }
.block-type { font-size: 10px; text-transform: uppercase; letter-spacing: .7px; color: #7b7c75; }
.block p { margin: 0; font-size: 12px; line-height: 1.55; white-space: pre-wrap; }
.draft-list { display: grid; gap: 10px; max-height: 72vh; overflow: auto; padding-right: 4px; }
.draft { border: 1px solid #dfded6; border-radius: 12px; padding: 13px; background: #fff; }
.draft-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.draft h4 { margin: 0; font-size: 14px; }
.draft textarea { width: 100%; min-height: 76px; margin-top: 9px; resize: vertical; line-height: 1.55; }
.draft details { margin-top: 8px; font-size: 12px; color: #5e5f59; }
.draft .inline-actions { display: flex; justify-content: flex-end; margin-top: 8px; }
.question-toolbar { position: sticky; top: 10px; z-index: 5; display: grid; grid-template-columns: minmax(0, 1fr) 130px 190px 130px auto; gap: 10px; margin-bottom: 8px; padding: 10px; background: rgba(244,243,239,.92); backdrop-filter: blur(10px); border: 1px solid rgba(222,221,213,.8); border-radius: 14px; }
.search-wrap { position: relative; }
.search-wrap span { position: absolute; left: 12px; top: 9px; color: #84857e; }
.search-wrap input { width: 100%; padding-left: 33px; }
.filter-toggle { display: inline-flex; justify-content: center; align-items: center; gap: 7px; white-space: nowrap; }
.filter-toggle span { min-width: 20px; height: 20px; display: inline-grid; place-items: center; padding: 0 5px; border-radius: 999px; background: #dfe5df; color: var(--accent); font-size: 11px; }
.dimension-filter-panel { display: none; margin: 0 0 14px; padding: 14px; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; }
.dimension-filter-panel.open { display: block; }
.dimension-filter-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.dimension-filter-field { display: grid; gap: 5px; }
.dimension-filter-field > span { font-size: 11px; color: var(--muted); }
.dimension-filter-field select { width: 100%; }
.filter-panel-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 12px; padding-top: 12px; border-top: 1px solid #e7e6df; }
.result-summary { min-height: 28px; display: flex; align-items: center; color: var(--muted); font-size: 12px; }
.mini-source { width: 100%; text-align: left; color: var(--ink); cursor: pointer; }
.mini-source > span { color: var(--muted); font-size: 11px; }
.question-card { padding: 20px; box-shadow: 0 1px 0 rgba(32,33,30,.02); }
.question-card .qtop { display: flex; justify-content: space-between; gap: 16px; align-items: baseline; }
.question-card h3 { margin: 0; font-size: 14px; }
.question-card .stem { white-space: pre-wrap; line-height: 1.75; margin: 13px 0; }
.material-group { background: var(--panel); border: 1px solid var(--line); border-radius: 20px; overflow: hidden; box-shadow: 0 1px 0 rgba(32,33,30,.02); }
.material-group-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 16px 18px; border-bottom: 1px solid #e5e4dc; background: #fbfbf7; }
.material-group-head h3 { margin: 4px 0 0; font-size: 14px; line-height: 1.45; }
.material-group-label { color: var(--accent); font-size: 11px; font-weight: 750; letter-spacing: .4px; }
.material-group-content { padding: 16px 18px 4px; }
.material-group-questions { display: grid; }
.question-unit { padding: 18px; border-top: 1px solid #ecebe4; }
.question-unit:first-child { border-top: 0; }
.question-unit .qtop { display: flex; justify-content: space-between; gap: 16px; align-items: baseline; }
.question-unit h3 { margin: 0; font-size: 14px; }
.question-unit .stem { white-space: pre-wrap; line-height: 1.75; margin: 13px 0; }
.question-unit:hover { background: #fffefb; }
.question-supplement { margin: 10px 0 14px; padding: 10px 0 0; border-top: 1px dashed #deddd5; }
.supplement-label { margin-bottom: 7px; color: var(--warn); font-size: 11px; font-weight: 750; }
.material { padding: 11px 12px; border-left: 3px solid #b1bfb5; background: #f5f6f2; color: #555750; white-space: pre-wrap; font-size: 13px; line-height: 1.7; }
.material-paragraph + .material-paragraph { margin-top: .72em; }
.rt-bold { font-weight: 700; }
.rt-italic { font-style: italic; }
.rt-underline { text-decoration-line: underline; text-decoration-thickness: .075em; text-underline-offset: .14em; }
.rt-underline-wave { text-decoration-style: wavy; text-decoration-thickness: .065em; }
.rt-underline-double { text-decoration-style: double; }
.rt-underline-dotted { text-decoration-style: dotted; }
.rt-underline-dashed { text-decoration-style: dashed; }
.rt-strike:not(.rt-underline) { text-decoration-line: line-through; }
.rt-strike.rt-underline { text-decoration-line: underline line-through; }
.rt-emphasis { -webkit-text-emphasis-position: under right; text-emphasis-position: under right; }
.rt-emphasis-dot { -webkit-text-emphasis-style: filled dot; text-emphasis-style: filled dot; }
.rt-emphasis-circle { -webkit-text-emphasis-style: open circle; text-emphasis-style: open circle; }
.rt-emphasis-comma { -webkit-text-emphasis-style: filled sesame; text-emphasis-style: filled sesame; }
.rt-superscript { vertical-align: super; font-size: .76em; line-height: 0; }
.rt-subscript { vertical-align: sub; font-size: .76em; line-height: 0; }
.rt-formula {
  font-family: "STIX Two Math", "Cambria Math", "Times New Roman", serif;
  font-variant-numeric: lining-nums;
  letter-spacing: .01em;
}
.rt-formula math {
  display: inline-block;
  vertical-align: -.12em;
  font-size: 1.04em;
  color: currentColor;
}
.rt-highlight { background: #f4eab9; border-radius: 2px; }

/* 通用多学科 profile：语文站默认不启用这些布局。 */
html[data-site-profile="general"] .form-row {
  grid-template-columns: minmax(0, 1fr) 120px 120px;
}
html[data-site-profile="general"] .question-toolbar {
  grid-template-columns: minmax(220px, 1.3fr) 110px 140px 170px 110px 110px auto;
}

.student-workspace {
  display: grid;
  grid-template-columns: minmax(190px, 240px) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}
.student-list-panel,
.student-detail {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel);
}
.student-list-panel { padding: 10px; }
.student-list-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 6px 10px;
  color: var(--muted);
}
.student-list-head strong { color: var(--ink); }
.student-list { display: grid; gap: 4px; }
.student-list-item {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--ink);
  text-align: left;
}
.student-list-item:hover,
.student-list-item.active { background: var(--accent-soft); }
.student-list-item > span { display: grid; gap: 3px; }
.student-list-item small { color: var(--muted); }
.student-list-item b {
  min-width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: var(--paper-muted);
  color: var(--muted);
  font-size: 11px;
}
.student-detail { min-height: 360px; padding: 20px; }
.student-detail-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}
.student-detail-head h2 { margin: 2px 0 4px; }
.student-subject-stats {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 18px 0;
}
.student-subject-stat {
  display: inline-flex;
  align-items: baseline;
  gap: 5px;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 12px;
}
.student-subject-stat b { color: var(--ink); font-size: 15px; }
.student-mistake-list { display: grid; gap: 8px; }
.student-mistake-card {
  padding: 14px 0;
  border-top: 1px solid var(--line);
}
.student-mistake-card h3 {
  margin: 8px 0;
  font-size: 14px;
  font-weight: 570;
  line-height: 1.65;
}
.student-mistake-meta,
.student-mistake-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  color: var(--muted);
  font-size: 11px;
}
.student-mistake-meta b { color: #c58980; }
.student-mistakes-section {
  margin: 22px 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: color-mix(in srgb, var(--panel) 94%, var(--paper-muted));
  scroll-margin-top: 84px;
}
.student-section-count {
  color: var(--muted);
  font-size: 11px;
}
.student-mistake-materials { display: grid; gap: 10px; }
.student-mistake-material {
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--panel);
  overflow: clip;
}
.student-mistake-material > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 15px;
  cursor: pointer;
  list-style: none;
}
.student-mistake-material > summary::-webkit-details-marker { display: none; }
.student-mistake-material > summary > span:first-child { display: grid; gap: 4px; min-width: 0; }
.student-mistake-material > summary b { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 13px; }
.student-mistake-material > summary small { color: var(--muted); font-size: 10px; }
.student-mistake-material-state { flex: 0 0 auto; display: grid; gap: 3px; text-align: right; }
.student-mistake-material-state strong { color: var(--accent); font-size: 10px; }
.student-mistake-material-state small { color: var(--muted); font-size: 9px; }
.student-mistake-material-body { padding: 0 15px 12px; border-top: 1px solid var(--line-soft); }
.student-mistake-no {
  display: inline-grid;
  min-width: 26px;
  margin-right: 7px;
  place-items: center;
  padding: 2px 6px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 10px;
}
.student-empty { padding: 40px 8px; }

@media (max-width: 900px) {
  html[data-site-profile="general"] .sidebar nav { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  html[data-site-profile="general"] .question-toolbar { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  html[data-site-profile="general"] .form-row { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  html[data-site-profile="general"] #upload-subject-field { grid-column: 1 / -1; }
  .student-workspace { grid-template-columns: 1fr; }
  .student-list {
    display: flex;
    gap: 6px;
    overflow-x: auto;
    scrollbar-width: none;
  }
  .student-list::-webkit-scrollbar { display: none; }
  .student-list-item { flex: 0 0 auto; width: auto; min-width: 130px; }
}

@media (max-width: 560px) {
  html[data-site-profile="general"] .nav-item { font-size: 9px; }
  html[data-site-profile="general"] .nav-icon,
  html[data-site-profile="general"] .nav-icon svg { width: 17px; height: 17px; }
  html[data-site-profile="general"] .form-row { grid-template-columns: 1fr; }
  .student-detail { padding: 16px 0; border-left: 0; border-right: 0; border-radius: 0; background: transparent; }
  .student-detail-head { flex-direction: column; }
  .student-mistakes-section { margin-inline: 0; padding: 13px; border-radius: 13px; }
  .student-mistake-material > summary { align-items: flex-start; padding: 12px; }
  .student-mistake-material-state { text-align: left; }
}
.rich-table-wrap { overflow-x: auto; margin: .5em 0; }
.rich-table { width: 100%; border-collapse: collapse; background: rgba(255,255,255,.6); font: inherit; }
.rich-table td { border: 1px solid #d9d7cf; padding: 7px 9px; vertical-align: top; }
.block-content { margin: 0; font-size: 12px; line-height: 1.55; white-space: pre-wrap; }
.draft-rich-preview { margin-top: 9px; padding: 10px 11px; border: 1px solid #dedbd1; border-radius: 8px; background: #faf8f1; line-height: 1.7; }
.draft-rich-preview > span { display: block; margin-bottom: 5px; color: var(--muted); font-size: 10px; }
.question-assets { display: grid; gap: 10px; margin: 12px 0; }
.question-asset { margin: 0; padding: 10px; border: 1px solid #e3e2db; border-radius: 12px; background: #fff; }
.question-asset img { display: block; max-width: 100%; max-height: 520px; width: auto; height: auto; margin: 0 auto; object-fit: contain; }
.question-formulas { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; margin: 7px 0; }
.formula-asset, .inline-formula-asset { display: inline-flex; align-items: center; max-width: 100%; padding: 1px 2px; border-radius: 3px; background: #fff; line-height: 1; vertical-align: middle; }
.formula-asset img, .inline-formula-asset img { display: block; width: var(--formula-width, auto); height: var(--formula-height, auto); max-width: 100%; max-height: 92px; object-fit: contain; }
.inline-formula-asset { margin: 0 3px; transform: translateY(.08em); }
.inline-formula-asset img { max-height: 2.6em; }
.formula-source-lines { display: grid; gap: 6px; margin: 8px 0 12px; }
.formula-source-line { line-height: 1.8; white-space: pre-wrap; }
.question-option { min-width: 0; }
.question-option-content { line-height: 1.8; }
.options { display: grid; gap: 5px; margin: 10px 0; font-size: 13px; }
.answer-box { margin-top: 10px; border-top: 1px solid #e3e2db; padding-top: 10px; color: #575851; font-size: 12px; line-height: 1.6; }
.material-details { margin: 10px 0; }
.material-details > summary { cursor: pointer; color: var(--accent); font-size: 12px; font-weight: 650; }
.material-details[open] > summary { margin-bottom: 8px; }
.question-pager { display: flex; align-items: center; justify-content: center; gap: 12px; margin-top: 18px; color: var(--muted); font-size: 12px; }
.question-pager button:disabled { opacity: .45; cursor: default; }
.muted { color: var(--muted); font-size: 12px; line-height: 1.6; }
.compact { margin-top: 22px; }
.classification-pills { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.taxonomy-pill { display: inline-flex; align-items: center; padding: 5px 8px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); font-size: 11px; }
.taxonomy-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.taxonomy-card { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 14px; min-height: 138px; }
.taxonomy-card-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.taxonomy-card h3 { margin: 0; font-size: 14px; }
.taxonomy-review-hero { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 18px; }
.taxonomy-change-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-bottom: 10px; }
.taxonomy-change { border-left: 4px solid #8da091; }
.taxonomy-arrow { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 10px; margin: 12px 0; }
.taxonomy-arrow span { padding: 9px; background: #f5f5f0; border-radius: 8px; overflow-wrap: anywhere; }
.danger-button { border: 0; border-radius: 9px; padding: 10px 13px; background: #f1dddd; color: var(--danger); font-weight: 650; }
.inline-create { display: flex; gap: 8px; align-items: center; }
.inline-create > button { align-self: end; }
.paper-layout { display: grid; grid-template-columns: 280px minmax(0, 1fr); gap: 14px; align-items: start; }
.paper-list { display: grid; gap: 7px; }
.paper-list-item { width: 100%; text-align: left; border: 1px solid var(--line); background: var(--panel); border-radius: 12px; padding: 12px; display: grid; gap: 4px; color: var(--ink); }
.paper-list-item.active { border-color: #738d7b; background: var(--accent-soft); }
.paper-list-item span { font-size: 11px; color: var(--muted); }
.paper-editor { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 18px; }
.paper-editor-head { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; margin-bottom: 16px; }
.paper-title-input { font-size: 22px; font-weight: 700; border: 0; border-bottom: 1px solid transparent; border-radius: 0; padding-left: 0; min-width: min(520px, 60vw); background: transparent; }
.paper-title-input:focus { box-shadow: none; border-bottom-color: #738d7b; }
.paper-items { display: grid; gap: 9px; }
.paper-item { border: 1px solid #dfded6; border-radius: 12px; padding: 12px; display: grid; grid-template-columns: 48px minmax(0, 1fr) auto; gap: 12px; align-items: start; }
.paper-item-order { display: grid; gap: 5px; justify-items: center; }
.paper-item-order b { width: 30px; height: 30px; display: grid; place-items: center; border-radius: 50%; background: #eef0ea; }
.mini { width: 30px; height: 24px; border: 1px solid #d6d5cd; background: #f5f4ef; color: #555; border-radius: 7px; }
.paper-item-body .stem { white-space: pre-wrap; line-height: 1.65; margin: 8px 0; }
.toast { position: fixed; right: 24px; bottom: 24px; background: #202820; color: white; padding: 11px 14px; border-radius: 10px; box-shadow: 0 8px 30px rgba(0,0,0,.16); transform: translateY(20px); opacity: 0; pointer-events: none; transition: .2s ease; }
.toast.show { transform: none; opacity: 1; }

@media (max-width: 900px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { padding: 14px 16px; gap: 14px; }
  .brand { display: none; }
  nav { display: flex; overflow-x: auto; }
  .sidebar-note { display: none; }
  main { padding: 0 16px 40px; }
  .topbar { height: 88px; }
  .hero-grid, .review-grid, .paper-layout, .dashboard-hero, .dashboard-grid { grid-template-columns: 1fr; }
  .dashboard-question-grid { grid-template-columns: 1fr; }
  .dashboard-hero h2 { font-size: 28px; }
  .hero-card h2 { font-size: 24px; }
  .source-row { grid-template-columns: 1fr; }
  .material-group-head, .question-unit .qtop { align-items: flex-start; flex-direction: column; }
  .row-actions { justify-content: flex-end; }
  .question-toolbar { grid-template-columns: 1fr; }
  .dimension-filter-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .taxonomy-grid, .taxonomy-change-list { grid-template-columns: 1fr; }
  .paper-editor-head { flex-direction: column; }
  .paper-title-input { min-width: 0; width: 100%; }
  .paper-item { grid-template-columns: 40px minmax(0, 1fr); }
  .paper-item > .remove-paper-item { grid-column: 2; justify-self: end; }
  .inline-create { align-items: stretch; flex-direction: column; }
  .block-list, .draft-list { max-height: none; }
  .review-preview-head { align-items: flex-start; flex-direction: column; }
  .review-preview-tip { max-width: none; text-align: left; }
  .review-evidence-list { max-height: none; }
}

@media (max-width: 560px) {
  .dashboard-kpis { grid-template-columns: 1fr 1fr; }
  .dashboard-hero > div:first-child { padding: 24px; min-height: 0; }
  .dashboard-actions { flex-direction: column; }
  .dashboard-actions .primary, .dashboard-actions .ghost { width: 100%; }
  .dimension-filter-grid { grid-template-columns: 1fr; }
  .filter-panel-foot { align-items: stretch; flex-direction: column; }
}

/* Teacher workflow refinement */
.dashboard-welcome { display: grid; grid-template-columns: minmax(0,1fr) minmax(420px,.8fr); gap: 20px; align-items: end; padding: 14px 0 10px; }
.dashboard-welcome h2 { margin: 0 0 6px; font-size: 28px; letter-spacing: -.6px; }
.dashboard-welcome p { margin: 0; color: var(--muted); line-height: 1.7; }
.dashboard-search { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 8px; align-items: end; }
.dashboard-search > label { grid-column: 1 / -1; font-size: 12px; color: var(--muted); }
.compact-kpis { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 1px; margin: 8px 0 18px; border: 1px solid var(--line); background: var(--line); border-radius: 12px; overflow: hidden; }
.compact-kpis .kpi-card { min-height: 76px; border: 0; border-radius: 0; padding: 12px 16px; background: var(--panel); }
.compact-kpis .kpi-card strong { font-size: 24px; margin: 4px 0 0; }
.quick-tag.goal { background: var(--accent-soft); border-color: #cad8cf; color: var(--accent); }
.toolbar-field { display: grid; gap: 5px; min-width: 0; }
.toolbar-field > span { font-size: 11px; color: var(--muted); white-space: nowrap; }
.toolbar-field select, .toolbar-field input { width: 100%; }
.question-toolbar { grid-template-columns: minmax(220px,1.4fr) 105px 135px 135px 110px 118px auto; align-items: end; }
.result-head { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin: 8px 0 12px; }
.result-head .result-summary { margin-right: auto; }
.active-filter-chips { display: flex; gap: 6px; flex-wrap: wrap; }
.filter-chip { border: 1px solid #d4d7d1; background: #fff; color: #474a45; border-radius: 999px; padding: 5px 9px; font-size: 11px; }
.saved-filter-list { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-top: 12px; }
.saved-filter { display: inline-flex; border: 1px solid #d7d8d2; border-radius: 7px; overflow: hidden; background: #fff; }
.saved-filter button { border: 0; background: transparent; color: #4b4e48; padding: 6px 8px; font-size: 11px; }
.saved-filter-delete { border-left: 1px solid #e4e3dd !important; color: var(--muted) !important; }
.classification-summary { margin-top: 12px; }
.primary-tags .taxonomy-pill { background: #f1f2ee; color: #434640; gap: 5px; }
.primary-tags .taxonomy-pill.goal { background: var(--accent-soft); color: var(--accent); }
.taxonomy-pill small { opacity: .68; font-size: 9px; margin-right: 4px; }
.more-tags { margin-top: 7px; }
.more-tags > summary { color: var(--muted); cursor: pointer; font-size: 11px; }
.answer-box section + section { margin-top: 12px; padding-top: 10px; border-top: 1px solid #e7e6df; }
.answer-box h4 { margin: 0 0 5px; font-size: 12px; color: var(--ink); }
.answer-box p { margin: 0; white-space: pre-wrap; }
.basket-question-toggle.selected, .basket-group-toggle.selected { background: var(--accent-soft); color: var(--accent); border-color: #a9bdae; }
.basket-trigger { position: fixed; right: 24px; bottom: 24px; z-index: 30; border: 0; border-radius: 10px; padding: 11px 14px; background: var(--accent); color: #fff; box-shadow: 0 8px 24px rgba(31,40,34,.18); display: flex; gap: 9px; align-items: center; }
.basket-trigger strong { min-width: 24px; height: 24px; padding: 0 6px; border-radius: 999px; display: grid; place-items: center; background: #fff; color: var(--accent); }
.basket-backdrop { position: fixed; inset: 0; z-index: 39; background: rgba(22,27,23,.24); }
.basket-drawer { position: fixed; z-index: 40; top: 0; right: 0; bottom: 0; width: min(430px, 96vw); padding: 20px; background: #fbfaf6; border-left: 1px solid var(--line); box-shadow: -12px 0 36px rgba(24,29,25,.12); transform: translateX(102%); transition: transform .18s ease; display: flex; flex-direction: column; gap: 14px; }
.basket-drawer.open { transform: translateX(0); }
.basket-head { display: flex; justify-content: space-between; align-items: start; gap: 14px; }
.basket-head h2 { margin: 3px 0 0; font-size: 20px; }
.icon-button { width: 38px; height: 38px; padding: 0; font-size: 22px; }
.basket-summary { padding: 9px 11px; background: var(--accent-soft); color: var(--accent); border-radius: 8px; font-size: 12px; }
.basket-items { flex: 1; min-height: 0; overflow: auto; display: grid; align-content: start; gap: 10px; padding-right: 2px; }
.basket-group { border: 1px solid var(--line); background: #fff; border-radius: 10px; overflow: hidden; }
.basket-group-head { display: flex; justify-content: space-between; padding: 9px 11px; background: #f3f3ee; font-size: 12px; }
.basket-group-head span { color: var(--muted); }
.basket-item { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 10px; padding: 11px; border-top: 1px solid #ecebe5; align-items: start; }
.basket-item b, .basket-item span { display: block; font-size: 11px; }
.basket-item span { color: var(--muted); margin-top: 2px; }
.basket-item p { margin: 6px 0 0; font-size: 12px; line-height: 1.55; }
.basket-actions { border-top: 1px solid var(--line); padding-top: 12px; display: grid; gap: 8px; }
.basket-actions label { display: grid; gap: 5px; }
.basket-actions label > span { font-size: 11px; color: var(--muted); }
.danger-link { border: 0; background: transparent; color: var(--danger); padding: 7px; justify-self: start; }
.technical-details { margin-top: 10px; font-size: 11px; color: var(--muted); }
.technical-details summary { cursor: pointer; }
.paper-head-actions { display: flex; flex-wrap: wrap; gap: 7px; justify-content: flex-end; }
.save-status { margin-top: 6px; font-size: 11px; color: var(--muted); }
.paper-structure { padding: 14px; margin-bottom: 14px; border: 1px solid var(--line); border-radius: 10px; background: #fafaf7; }
.paper-structure-grid { display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); gap: 8px; }
.structure-stat { padding: 9px; background: #fff; border: 1px solid #e3e2db; border-radius: 8px; }
.structure-stat strong, .structure-stat span { display: block; }
.structure-stat strong { font-size: 20px; }
.structure-stat span { color: var(--muted); font-size: 10px; margin-top: 3px; }
.structure-stat.warn strong { color: var(--warn); }
.paper-checks { display: flex; flex-wrap: wrap; gap: 10px; color: var(--muted); font-size: 11px; padding: 10px 0; }
.paper-distributions { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 8px; }
.structure-block { padding: 9px; background: #fff; border-radius: 8px; border: 1px solid #e3e2db; }
.structure-block strong { font-size: 11px; }
.structure-block div { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 6px; }
.structure-block span { font-size: 10px; padding: 3px 5px; background: #f1f2ed; border-radius: 5px; }
.undo-bar { margin-bottom: 10px; padding: 9px 11px; background: #f5eddc; border-radius: 8px; color: #6d542e; font-size: 12px; display: flex; align-items: center; justify-content: space-between; }
.paper-workspace { display: grid; grid-template-columns: minmax(320px,.72fr) minmax(0,1.28fr); gap: 14px; align-items: start; }
.paper-outline, .paper-preview { border: 1px solid var(--line); border-radius: 10px; background: #fff; min-width: 0; }
.paper-outline { padding: 12px; position: sticky; top: 10px; max-height: calc(100vh - 30px); overflow: auto; }
.paper-preview { padding: 22px; }
.paper-pane-title { display: flex; justify-content: space-between; gap: 10px; align-items: center; margin-bottom: 12px; }
.paper-pane-title h3 { margin: 0; font-size: 15px; }
.paper-pane-title span { color: var(--muted); font-size: 11px; }
.paper-outline .paper-item { grid-template-columns: 40px minmax(0,1fr) auto; padding: 9px; }
.paper-outline-stem { margin: 6px 0 8px; font-size: 11px; line-height: 1.5; color: #4e504a; }
.paper-outline-group { border: 1px solid #e4e3dd; border-radius: 9px; overflow: hidden; background: #fff; }
.paper-outline-group + .paper-outline-group { margin-top: 9px; }
.paper-outline-group-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 7px 9px; background: #f3f3ee; }
.paper-outline-group-head > div:first-child { display: flex; gap: 7px; align-items: baseline; }
.paper-outline-group-head strong { font-size: 11px; }
.paper-outline-group-head span { color: var(--muted); font-size: 10px; }
.paper-outline-group .paper-item { border: 0; border-top: 1px solid #ecebe5; border-radius: 0; }
.paper-item-settings { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.paper-item-settings label { display: grid; gap: 3px; }
.paper-item-settings span { font-size: 9px; color: var(--muted); }
.paper-item-settings input { width: 100%; padding: 6px 7px; font-size: 11px; }
.paper-preview-group { margin-bottom: 24px; }
.paper-preview-group-head { display: flex; justify-content: space-between; align-items: baseline; border-bottom: 1px solid var(--line); padding-bottom: 7px; margin-bottom: 14px; }
.paper-preview-group-head span { font-weight: 700; }
.paper-preview-group-head small { color: var(--muted); }
.paper-preview-material { max-width: 44em; font-family: "Songti SC", SimSun, serif; font-size: 17px; line-height: 1.8; margin: 0 auto 20px; }
.paper-preview-question { max-width: 44em; margin: 0 auto; padding: 16px 0; border-top: 1px solid #ecebe4; }
.paper-preview-stem { white-space: pre-wrap; font-size: 16px; line-height: 1.75; }
.score-mark { margin-left: 5px; color: var(--muted); font-size: 12px; }
.missing-mark { margin-left: 5px; color: var(--warn); font-size: 12px; }
.answer-space-preview { display: grid; gap: 12px; margin: 14px 0; }
.answer-space-preview span { display: block; border-bottom: 1px solid #d6d5ce; height: 18px; }
.answer-space-preview small { color: var(--muted); }
.question-detail-dialog { width: min(1180px, 94vw); max-height: 92vh; border: 1px solid var(--line); border-radius: 12px; padding: 0; background: #fbfaf6; color: var(--ink); }
.question-detail-dialog::backdrop { background: rgba(22,27,23,.36); }
.question-detail-head { position: sticky; top: 0; z-index: 2; display: flex; justify-content: space-between; align-items: start; padding: 16px 18px; background: #fbfaf6; border-bottom: 1px solid var(--line); }
.question-detail-head h2 { margin: 3px 0 0; font-size: 22px; }
.question-detail-content { padding: 16px 18px 22px; }
.question-detail-meta { display: flex; flex-wrap: wrap; gap: 10px; color: var(--muted); font-size: 11px; margin-bottom: 12px; }
.question-reading-layout { display: grid; grid-template-columns: minmax(0,1.08fr) minmax(360px,.92fr); gap: 22px; align-items: start; }
.question-reading-material { max-height: calc(92vh - 130px); overflow: auto; padding: 18px; background: #fff; border: 1px solid var(--line); border-radius: 10px; }
.question-reading-material .material, .reading-text { max-width: 44em; margin: 0 auto; border-left: 0; background: transparent; padding: 0; font-family: "Songti SC", SimSun, serif; font-size: 17px; line-height: 1.8; white-space: pre-wrap; }
.question-reading-question { padding: 18px; background: #fff; border: 1px solid var(--line); border-radius: 10px; }
.detail-stem { white-space: pre-wrap; font-size: 17px; line-height: 1.8; }
.detail-options { font-size: 15px; line-height: 1.7; gap: 8px; }
.detail-actions { display: flex; justify-content: flex-end; margin: 14px 0; }
.detail-basket-toggle.selected { background: var(--accent-soft); color: var(--accent); }
.compact-empty { padding: 18px; }

@media (max-width: 1100px) {
  .question-toolbar { grid-template-columns: minmax(220px,1fr) repeat(3,minmax(110px,.55fr)); }
  .paper-workspace { grid-template-columns: 1fr; }
  .paper-outline { position: static; max-height: none; }
}

@media (max-width: 900px) {
  .dashboard-welcome { grid-template-columns: 1fr; }
  .compact-kpis { grid-template-columns: repeat(2,1fr); }
  .question-toolbar { grid-template-columns: 1fr 1fr; position: static; }
  .question-toolbar .search-field { grid-column: 1 / -1; }
  .paper-distributions { grid-template-columns: 1fr; }
  .question-reading-layout { grid-template-columns: 1fr; }
  .question-reading-material { max-height: none; overflow: visible; }
}

@media (max-width: 560px) {
  .question-toolbar { grid-template-columns: 1fr; }
  .question-toolbar .search-field { grid-column: auto; }
  .basket-trigger { left: 16px; right: 16px; bottom: 12px; justify-content: center; }
  main { padding-bottom: 84px; }
  .paper-structure-grid { grid-template-columns: repeat(2,1fr); }
  .paper-preview { padding: 14px; }
}

/* ──────────────────────────────────────────────────────────────
   Ink & Paper V2
   中文长文本优先的备课界面：少卡片、轻边框、纸页阅读、克制动效。
   ────────────────────────────────────────────────────────────── */
:root {
  --bg: #f2f0e9;
  --panel: #fffdfa;
  --paper: #fffefb;
  --paper-muted: #f8f6ef;
  --ink: #242722;
  --ink-soft: #4e534c;
  --muted: #777b73;
  --line: #ddd9cf;
  --line-soft: #ebe8df;
  --accent: #234b38;
  --accent-hover: #193c2b;
  --accent-soft: #e7eee9;
  --accent-faint: #f1f5f1;
  --warn: #875e27;
  --danger: #8a4740;
  --shadow-paper: 0 1px 2px rgba(35, 39, 34, .04), 0 14px 38px rgba(35, 39, 34, .055);
  --sans: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --serif: "Songti SC", STSong, "Noto Serif CJK SC", SimSun, serif;
  font-family: var(--sans);
}

html { background: var(--bg); }
body { background: var(--bg); color: var(--ink); font-size: 15px; line-height: 1.55; }
::selection { background: #cfded4; color: #173526; }
a { color: var(--accent); }
button, input, select, textarea { font-family: var(--sans); }
button, a, input, select, textarea, summary { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: 2px solid #658372;
  outline-offset: 2px;
}

.shell { grid-template-columns: 218px minmax(0, 1fr); }
.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  background: #1d2c24;
  padding: 24px 15px 20px;
  gap: 28px;
  border-right: 1px solid rgba(255,255,255,.05);
}
.brand { padding: 0 8px; gap: 11px; }
.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  border-color: #718b7b;
  background: #263a30;
  font-family: var(--serif);
  font-size: 21px;
}
.brand strong { font-size: 14px; letter-spacing: .02em; }
.brand span { color: #9eaea3; font-size: 10px; letter-spacing: .08em; }
nav { gap: 3px; }
.nav-item {
  position: relative;
  min-height: 42px;
  padding: 10px 12px 10px 42px;
  border-radius: 7px;
  color: #bac8bf;
  font-size: 13px;
  transition: background-color .16s ease, color .16s ease;
}
.nav-item::before {
  position: absolute;
  left: 13px;
  top: 50%;
  width: 18px;
  transform: translateY(-50%);
  color: #82958a;
  font-family: var(--serif);
  text-align: center;
}
.nav-item[data-view="dashboard"]::before { content: "⌂"; font-family: var(--sans); }
.nav-item[data-view="questions"]::before { content: "题"; }
.nav-item[data-view="papers"]::before { content: "卷"; }
.nav-item[data-view="sources"]::before { content: "源"; }
.nav-item[data-view="taxonomy"]::before { content: "类"; }
.nav-item:hover { background: #293a31; color: #f0f4f1; }
.nav-item.active { background: #31483b; color: #fff; }
.nav-item.active::before { color: #d9e5dc; }
.sidebar-note { border-top-color: #34473b; color: #91a198; font-size: 11px; line-height: 1.75; padding-top: 16px; }

main { max-width: 1370px; padding: 0 42px 72px; }
.topbar { height: 94px; border-bottom: 1px solid transparent; }
.topbar h1 { margin-top: 3px; font-size: 27px; font-weight: 680; letter-spacing: -.04em; }
.eyebrow { color: #82867f; font-size: 9px; letter-spacing: .18em; text-transform: none; }
.status-pill { border-radius: 6px; padding: 6px 9px; background: #e9e7df; font-size: 10px; }
.status-pill.ok { background: #e5ece7; }

.primary, .ghost, .back, .danger-button {
  min-height: 36px;
  border-radius: 7px;
  padding: 8px 12px;
  transition: background-color .15s ease, border-color .15s ease, color .15s ease, transform .15s ease;
}
.primary { background: var(--accent); box-shadow: none; font-weight: 620; }
.primary:hover { background: var(--accent-hover); filter: none; }
.primary:active, .ghost:active { transform: translateY(1px); }
.ghost { background: #efede6; color: #4b504a; }
.ghost:hover { background: #e7e4dc; color: var(--ink); }
.danger-button { background: #f2e4e1; }
input, select, textarea {
  min-height: 38px;
  border-color: #d4d0c6;
  border-radius: 7px;
  background: #fffefa;
  padding: 8px 10px;
}
input:hover, select:hover, textarea:hover { border-color: #bbb8af; }
input:focus, select:focus, textarea:focus { border-color: #6f8878; box-shadow: 0 0 0 3px rgba(35,75,56,.08); }

/* 首页：更像备课桌，而不是 KPI 仪表盘 */
.dashboard-welcome {
  grid-template-columns: minmax(0, .9fr) minmax(420px, 1.1fr);
  align-items: center;
  gap: 34px;
  padding: 24px 0 27px;
  border-bottom: 1px solid var(--line);
}
.dashboard-welcome h2 { font-size: 32px; font-weight: 620; letter-spacing: -.05em; }
.dashboard-welcome p { max-width: 600px; color: #686d66; font-size: 14px; }
.dashboard-search { gap: 7px; }
.dashboard-search > label { font-size: 10px; letter-spacing: .06em; }
.dashboard-search .search-wrap input { min-height: 44px; background: var(--paper); }
.dashboard-search .primary { min-height: 44px; padding-inline: 18px; }
.compact-kpis {
  margin: 0 0 26px;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  gap: 0;
}
.compact-kpis .kpi-card {
  position: relative;
  min-height: 82px;
  padding: 15px 18px;
  background: transparent;
}
.compact-kpis .kpi-card + .kpi-card::before { content: ""; position: absolute; top: 18px; bottom: 18px; left: 0; width: 1px; background: var(--line); }
.compact-kpis .kpi-card span { font-size: 10px; letter-spacing: .05em; }
.compact-kpis .kpi-card strong { font-size: 25px; font-weight: 620; letter-spacing: -.04em; }
.dashboard-grid { grid-template-columns: minmax(0, 1.1fr) minmax(330px, .9fr); gap: 34px; margin-top: 4px; }
.dashboard-panel { padding: 0; border: 0; border-radius: 0; background: transparent; }
.dashboard-panel .section-head { border-top: 1px solid var(--line); padding-top: 18px; }
.section-head { margin-top: 32px; }
.section-head h2 { font-size: 19px; font-weight: 640; letter-spacing: -.025em; }
.section-head.compact { margin-top: 24px; }
.quick-tags { gap: 7px; }
.quick-tag {
  border-color: #d8d4ca;
  border-radius: 7px;
  background: transparent;
  color: #50554e;
  padding: 7px 10px;
  font-size: 11px;
}
.quick-tag:hover { border-color: #91a499; background: var(--accent-faint); }
.quick-tag.goal { background: #e9efeb; border-color: #d1ddd5; }
.mini-list { border-top: 1px solid var(--line-soft); }
.mini-row {
  border: 0;
  border-bottom: 1px solid var(--line-soft);
  border-radius: 0;
  padding: 12px 2px;
  background: transparent;
}
.mini-row:hover { background: rgba(255,255,255,.38); }
.dashboard-question-grid { grid-template-columns: repeat(3,minmax(0,1fr)); gap: 1px; border: 1px solid var(--line); background: var(--line); }
.dashboard-question {
  min-height: 184px;
  border: 0;
  border-radius: 0;
  background: var(--paper);
  padding: 17px;
}
.dashboard-question .stem-preview { color: var(--ink-soft); }

/* 原卷与管理页：降低后台“卡片墙”感 */
.hero-grid { gap: 24px; }
.hero-card, .upload-card, .source-row, .review-card, .question-card { border-color: var(--line); border-radius: 10px; }
.hero-card { min-height: 226px; padding: 28px; background: var(--paper); }
.hero-card h2 { font-size: 28px; font-weight: 610; }
.upload-card { background: var(--paper); }
.dropzone { border-radius: 8px; background: var(--paper-muted); }
.source-list { gap: 0; border-top: 1px solid var(--line); }
.source-row { border: 0; border-bottom: 1px solid var(--line); border-radius: 0; background: transparent; padding: 15px 4px; }
.source-row:hover { background: rgba(255,255,255,.34); }
.doc-icon { border-radius: 6px; background: #f9f8f3; }
.badge { border-radius: 5px; padding: 4px 7px; }
.empty-state { border-radius: 8px; padding: 34px; background: rgba(255,255,255,.24); }

/* 题目库：共享材料是一张“书页”，小题是页内分节 */
.question-toolbar {
  top: 8px;
  padding: 12px;
  margin-bottom: 12px;
  border-radius: 10px;
  border-color: #d9d5cb;
  background: rgba(248,246,239,.97);
  box-shadow: 0 5px 18px rgba(45,48,43,.035);
  backdrop-filter: blur(12px);
}
.toolbar-field > span { font-size: 10px; letter-spacing: .03em; }
.dimension-filter-panel { border-radius: 8px; background: var(--paper); }
.filter-chip { border-radius: 6px; background: var(--paper); }
.result-head { min-height: 38px; padding-bottom: 4px; border-bottom: 1px solid var(--line-soft); }
.question-list { gap: 18px; }
.material-group {
  overflow: visible;
  border-radius: 11px;
  border-color: #d8d4ca;
  background: var(--paper);
  box-shadow: var(--shadow-paper);
}
.material-group-head {
  padding: 14px 18px;
  border-bottom-color: var(--line);
  border-radius: 11px 11px 0 0;
  background: #f7f5ee;
}
.material-group-label { color: #526b5c; letter-spacing: .08em; font-size: 9px; }
.material-group-head h3 { font-size: 13px; font-weight: 620; }
.material-group-content { padding: 26px 30px 22px; }
.material-group-content .material,
.material-details .material {
  max-width: 44em;
  margin: 0 auto;
  padding: 0;
  border-left: 0;
  background: transparent;
  color: #30342f;
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.9;
  text-align: justify;
}
.material-group-questions { padding: 0 30px 10px; }
.question-unit {
  padding: 22px 0 24px;
  border-top-color: var(--line-soft);
  background: transparent;
}
.question-unit:hover { background: transparent; }
.question-unit h3 { font-size: 13px; font-weight: 650; }
.question-unit .stem, .question-card .stem { font-size: 16px; line-height: 1.78; color: #292d28; }
.question-supplement {
  margin: 12px 0 16px;
  padding: 12px 14px;
  border: 1px solid #e1d9ca;
  border-radius: 7px;
  background: #fbf6ed;
}
.question-supplement .material { max-width: none; font-size: 15px; line-height: 1.75; text-align: left; }
.supplement-label { color: #76572f; font-size: 10px; letter-spacing: .04em; }
.question-card { padding: 22px 28px; border-color: #d8d4ca; box-shadow: var(--shadow-paper); }
.options { gap: 7px; font-size: 14px; line-height: 1.65; }
.classification-summary { margin-top: 14px; }
.taxonomy-pill { border-radius: 5px; padding: 4px 7px; background: #f0f0eb; color: #4d524c; }
.primary-tags .taxonomy-pill.goal { background: #e5eee8; color: #315743; }
.more-tags > summary, .answer-details > summary, .material-details > summary { color: #53665a; font-size: 11px; }
.answer-details { margin-top: 12px; }
.answer-box { padding: 14px 16px; border: 1px solid var(--line-soft); border-radius: 7px; background: #faf9f5; }
.question-assets { margin: 16px 0; }
.question-asset { border-radius: 8px; box-shadow: none; }

/* 题目详情：左边书页，右边校对台 */
.question-detail-dialog {
  width: min(1220px, 95vw);
  border-radius: 10px;
  background: #f4f1e9;
  box-shadow: 0 30px 90px rgba(25,33,28,.22);
}
.question-detail-head { padding: 15px 20px; background: #f4f1e9; }
.question-detail-content { padding: 20px; }
.question-reading-layout { gap: 18px; grid-template-columns: minmax(0,1.12fr) minmax(370px,.88fr); }
.question-reading-material,
.question-reading-question { border-radius: 8px; border-color: #dad6cc; background: var(--paper); }
.question-reading-material { padding: 30px 34px; box-shadow: var(--shadow-paper); }
.question-reading-material .material, .reading-text { font-size: 18px; line-height: 1.92; color: #2c302b; }
.question-reading-question { padding: 24px; }
.detail-stem { font-size: 17px; line-height: 1.82; }

/* 选题篮：像一个轻量工具抽屉，不抢阅读空间 */
.basket-trigger {
  right: 26px;
  bottom: 22px;
  min-height: 44px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 9px;
  padding: 9px 12px 9px 14px;
  box-shadow: 0 10px 30px rgba(29,44,36,.19);
}
.basket-trigger::before { content: "+"; width: 19px; height: 19px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.35); border-radius: 4px; font-size: 13px; }
.basket-trigger strong { min-width: 22px; height: 22px; border-radius: 5px; font-size: 11px; }
.basket-backdrop { background: rgba(25,32,27,.22); backdrop-filter: blur(2px); }
.basket-drawer { width: min(440px, 96vw); padding: 22px; background: #f7f4ed; box-shadow: -18px 0 50px rgba(28,36,31,.12); }
.basket-head { padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.basket-summary { border-radius: 6px; background: #e5ede7; }
.basket-group { border-radius: 7px; background: var(--paper); }
.basket-group-head { background: #f2f0e9; }
.basket-item p { color: #383d37; }

/* 训练卷：左侧目录，中间真正的纸页 */
.paper-layout { grid-template-columns: 200px minmax(0,1fr); gap: 22px; }
.paper-list { gap: 3px; }
.paper-list-item { border: 0; border-left: 2px solid transparent; border-radius: 0; background: transparent; padding: 10px 11px; }
.paper-list-item:hover { background: rgba(255,255,255,.4); }
.paper-list-item.active { border-color: var(--accent); background: #e9eee9; }
.paper-editor { border: 0; border-radius: 0; background: transparent; padding: 0; }
.paper-editor-head { padding-bottom: 15px; border-bottom: 1px solid var(--line); }
.paper-title-input { font-size: 25px; font-weight: 620; letter-spacing: -.035em; }
.paper-structure { border: 0; border-bottom: 1px solid var(--line); border-radius: 0; background: transparent; padding: 0 0 16px; }
.structure-stat { border-color: var(--line-soft); border-radius: 6px; background: rgba(255,255,255,.55); }
.paper-workspace { grid-template-columns: minmax(250px,.58fr) minmax(0,1.42fr); gap: 22px; }
.paper-outline { top: 12px; border-radius: 8px; background: #f7f5ef; border-color: #dbd7cd; }
.paper-outline-group { border-radius: 6px; background: var(--paper); }
.paper-outline-group-head { background: #eeece5; }
.paper-outline .paper-item { border-color: var(--line-soft); }
.paper-preview {
  width: min(100%, 830px);
  min-height: 1040px;
  margin: 0 auto;
  padding: 54px 64px 70px;
  border: 1px solid #d9d5cb;
  border-radius: 2px;
  background: #fff;
  box-shadow: var(--shadow-paper);
}
.paper-preview > .paper-pane-title { margin-bottom: 32px; padding-bottom: 10px; border-bottom: 1px solid #eeeae1; }
.paper-preview-group { margin-bottom: 34px; }
.paper-preview-group-head { border-bottom-color: #cfcac0; }
.paper-preview-material { font-size: 17px; line-height: 1.92; color: #282c27; }
.paper-preview-question { border-top-color: #e7e3da; padding-block: 18px; }
.paper-preview-stem { font-size: 16px; line-height: 1.82; }
.paper-item { border-radius: 7px; }
.paper-item-order b { border-radius: 6px; background: #e9ece7; }
.mini { border-radius: 5px; }

/* 分类页不做“彩色标签墙”，维度像索引卡 */
.taxonomy-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; }
.taxonomy-card { min-height: 0; border-radius: 8px; background: rgba(255,255,255,.5); }
.taxonomy-card .classification-pills { margin-top: 12px; }

/* 很轻的状态动效；用户要求减少动效时全部关闭 */
.view.active { animation: ink-enter .18s ease-out; }
.question-unit, .mini-row, .paper-list-item, .quick-tag { transition: background-color .15s ease, border-color .15s ease, color .15s ease; }
@keyframes ink-enter { from { opacity: .55; transform: translateY(3px); } to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}

@media (max-width: 1100px) {
  main { padding-inline: 28px; }
  .dashboard-question-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .paper-preview { min-height: 0; padding: 42px 48px 56px; }
}

@media (max-width: 900px) {
  .shell { display: block; }
  .sidebar {
    position: sticky;
    top: 0;
    z-index: 20;
    width: 100%;
    height: auto;
    padding: 9px 12px;
    gap: 0;
    border-right: 0;
    border-bottom: 1px solid #31453a;
  }
  .sidebar nav { display: flex; gap: 3px; overflow-x: auto; scrollbar-width: none; }
  .sidebar nav::-webkit-scrollbar { display: none; }
  .nav-item { flex: 0 0 auto; min-height: 38px; padding: 9px 12px; white-space: nowrap; }
  .nav-item::before { display: none; }
  main { padding: 0 18px 56px; }
  .topbar { height: 76px; }
  .dashboard-welcome { grid-template-columns: 1fr; gap: 18px; padding-top: 12px; }
  .dashboard-question-grid { grid-template-columns: 1fr; }
  .dashboard-grid { gap: 20px; }
  .material-group-content, .material-group-questions { padding-inline: 20px; }
  .paper-layout { grid-template-columns: 1fr; }
  .paper-list { display: flex; overflow-x: auto; padding-bottom: 6px; }
  .paper-list-item { min-width: 220px; border-left: 0; border-bottom: 2px solid transparent; }
  .paper-list-item.active { border-bottom-color: var(--accent); }
  .paper-preview { width: 100%; padding: 34px 26px 44px; }
  .taxonomy-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  body { font-size: 14px; }
  main { padding-inline: 14px; }
  .topbar h1 { font-size: 24px; }
  .dashboard-welcome h2 { font-size: 27px; }
  .dashboard-search { grid-template-columns: 1fr; }
  .dashboard-search > label { grid-column: auto; }
  .dashboard-search .primary { width: 100%; }
  .compact-kpis .kpi-card { padding: 12px; }
  .compact-kpis .kpi-card strong { font-size: 22px; }
  .compact-kpis .kpi-card + .kpi-card::before { top: 12px; bottom: 12px; }
  .material-group-content, .material-group-questions { padding-inline: 15px; }
  .material-group-content .material, .material-details .material { font-size: 16px; line-height: 1.86; text-align: left; }
  .question-unit { padding-block: 18px; }
  .question-unit .stem, .question-card .stem { font-size: 15px; }
  .question-card { padding: 18px 16px; }
  .paper-preview { padding: 26px 18px 36px; box-shadow: none; }
  .basket-trigger { border-radius: 8px; }
  .basket-drawer { padding: 18px 16px; }
}

/* ──────────────────────────────────────────────────────────────
   Detail Polish V3 · Linear × Notion × 中文长文本阅读
   ────────────────────────────────────────────────────────────── */
:root {
  --radius-control: 7px;
  --radius-panel: 10px;
  --shadow-float: 0 18px 54px rgba(28, 36, 31, .14);
  --shadow-paper: 0 1px 2px rgba(35, 39, 34, .025), 0 10px 28px rgba(35, 39, 34, .045);
}

.ui-icon, .button-icon svg, .field-icon svg, .nav-icon svg, .icon-button svg {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.upload-icon svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.back { display: inline-flex; align-items: center; gap: 5px; }
.button-icon { display: inline-flex; align-items: center; }
.search-wrap > .field-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  width: 18px;
  height: 18px;
  transform: translateY(-50%);
  display: grid;
  place-items: center;
  line-height: 0;
  color: #8d9991;
  pointer-events: none;
}
.search-wrap > .field-icon svg { width: 17px; height: 17px; display: block; }
.search-wrap > span:not(.field-icon) { display: none; }
.search-wrap input { padding-left: 40px; }

/* 更轻的应用壳 */
.shell { grid-template-columns: 196px minmax(0, 1fr); }
.sidebar { padding: 20px 12px 18px; gap: 24px; }
.brand { padding-inline: 6px; }
.brand-mark { width: 34px; height: 34px; font-size: 19px; }
.brand strong { font-size: 13px; }
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 38px;
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 12px;
}
.nav-item::before { display: none !important; }
.nav-icon { width: 18px; height: 18px; display: inline-grid; place-items: center; color: #879a8e; }
.nav-item.active { background: #2a3d33; box-shadow: inset 2px 0 #9bb5a4; }
.nav-item.active .nav-icon { color: #d9e6de; }
.sidebar-note { font-size: 10px; }

main { max-width: 1460px; padding-inline: 36px; }
.topbar { height: 72px; }
.topbar-title { display: flex; align-items: center; gap: 12px; min-width: 0; }
.topbar h1 { margin: 0; font-size: 25px; font-weight: 660; letter-spacing: -.04em; }
.connection-state { display: inline-flex; align-items: center; gap: 5px; color: #888d86; font-size: 10px; }
.connection-dot { width: 6px; height: 6px; border-radius: 50%; background: #b7aaa0; }
.connection-state.ok .connection-dot { background: #557a63; }
.connection-state.ok { color: #68766c; }
.status-pill { padding: 0; background: transparent !important; border-radius: 0; }

/* 控件层级：一个主按钮，其余收轻 */
.primary, .ghost, .back, .danger-button { min-height: 34px; border-radius: var(--radius-control); padding: 7px 11px; }
.ghost { background: transparent; border: 1px solid #d8d5cc; }
.ghost:hover { background: #eeece5; border-color: #cac6bc; }
.primary, .ghost, .link-button, .basket-question-toggle, .detail-basket-toggle { display: inline-flex; align-items: center; justify-content: center; gap: 6px; }
.text-button, .text-icon-button, .text-danger {
  min-height: 32px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  padding: 6px 8px;
  color: #5f665f;
  font: inherit;
}
.text-button:hover, .text-icon-button:hover { background: #efede6; color: var(--ink); }
.text-icon-button { display: inline-flex; align-items: center; gap: 5px; }
.text-danger { display: inline-flex; align-items: center; gap: 6px; color: var(--danger); }
.text-danger:hover { background: #f4e9e6; }
.icon-button { display: inline-grid; place-items: center; width: 34px; height: 34px; min-height: 34px; padding: 0; }
input, select, textarea { min-height: 36px; border-radius: var(--radius-control); }

/* 首页进一步去 Dashboard 味 */
.dashboard-welcome { padding: 18px 0 22px; gap: 28px; }
.dashboard-welcome h2 { font-size: 30px; }
.compact-kpis { min-height: 58px; margin-bottom: 22px; }
.compact-kpis .kpi-card { min-height: 58px; padding: 10px 16px; flex-direction: row; align-items: baseline; justify-content: flex-start; gap: 8px; }
.compact-kpis .kpi-card strong { order: -1; margin: 0; font-size: 20px; }
.compact-kpis .kpi-card + .kpi-card::before { top: 12px; bottom: 12px; }
.dashboard-grid { gap: 28px; }

/* 筛选器：搜索 + 三个核心条件，其他条件浮层出现 */
.question-filter-shell { position: sticky; top: 8px; z-index: 14; margin-bottom: 8px; }
.question-toolbar {
  position: relative;
  top: auto;
  z-index: 2;
  grid-template-columns: minmax(260px, 1.45fr) minmax(125px,.62fr) minmax(125px,.62fr) minmax(105px,.5fr) auto auto;
  padding: 9px;
  margin: 0;
  border-radius: 9px;
  background: rgba(248,246,239,.96);
  box-shadow: 0 3px 12px rgba(40,44,39,.035);
}
.toolbar-field > span { font-size: 9px; }
.filter-toggle { gap: 6px; }
.dimension-filter-panel {
  display: block;
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 30;
  width: min(720px, calc(100vw - 250px));
  max-height: min(560px, calc(100vh - 120px));
  overflow: auto;
  margin: 0;
  padding: 16px;
  border: 1px solid #d7d3c9;
  border-radius: 10px;
  background: #fbfaf6;
  box-shadow: var(--shadow-float);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px) scale(.99);
  transform-origin: top right;
  pointer-events: none;
  transition: opacity .16s ease, transform .16s ease, visibility .16s step-end;
}
.dimension-filter-panel.open { opacity: 1; visibility: visible; transform: none; pointer-events: auto; transition: opacity .16s ease, transform .16s ease; }
.filter-popover-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; padding-bottom: 12px; margin-bottom: 12px; border-bottom: 1px solid var(--line-soft); }
.filter-popover-head strong { font-size: 14px; }
.filter-popover-head span { color: var(--muted); font-size: 10px; }
.dimension-filter-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
.dimension-filter-grid-extra { display: contents; }
.filter-panel-foot { align-items: flex-start; }
.result-head { margin-top: 8px; }
.filter-chip { padding: 4px 8px; background: transparent; }

/* 题目纸页：题号是锚点，操作退后 */
.material-group, .question-card { box-shadow: none; }
.material-group-content .material, .material-details .material, .question-reading-material .material, .reading-text, .paper-preview-material { max-width: 40em; }
.material-group-questions { padding-inline: 28px; }
.question-unit, .question-card {
  display: grid;
  grid-template-columns: 36px minmax(0,1fr);
  column-gap: 14px;
  align-items: start;
}
.question-card { padding: 22px 28px; }
.question-unit { padding: 20px 0 22px; }
.question-number {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid #d7d4cb;
  border-radius: 7px;
  background: #faf9f4;
  color: #3d4f44;
  font-size: 13px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.question-body { min-width: 0; }
.question-unit .qtop, .question-card .qtop { min-height: 34px; align-items: center; }
.question-source-line { display: flex; align-items: center; gap: 8px; min-width: 0; color: #80847d; font-size: 10px; }
.question-source-line strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: #60665f; font-weight: 560; }
.question-actions { display: flex; align-items: center; gap: 4px; flex: 0 0 auto; }
.basket-question-toggle { min-width: 74px; }
.secondary-question-action { opacity: 0; transform: translateX(3px); transition: opacity .15s ease, transform .15s ease; }
.question-unit:hover .secondary-question-action, .question-card:hover .secondary-question-action, .question-unit:focus-within .secondary-question-action, .question-card:focus-within .secondary-question-action { opacity: 1; transform: none; }
.primary-meta { display: flex; flex-wrap: wrap; gap: 0; margin-top: 13px; color: #6d736c; font-size: 10px; }
.primary-meta-item { display: inline-flex; align-items: baseline; gap: 4px; }
.primary-meta-item + .primary-meta-item::before { content: "·"; margin: 0 8px; color: #b1b2ac; }
.primary-meta-item small { color: #969a93; font-size: 9px; }
.primary-meta-item b { font-weight: 560; color: #5e645d; }
.primary-meta-item.training_goal b { color: #365944; }
.more-tags { margin-top: 5px; }
.taxonomy-pill { border-radius: 5px; }

/* Side Peek：列表位置不丢，详情从右边出现 */
.question-detail-dialog {
  container-type: inline-size;
  width: clamp(820px, 60vw, 980px);
  height: 100dvh;
  max-height: 100dvh;
  margin: 0 0 0 auto;
  border: 0;
  border-left: 1px solid #d5d1c7;
  border-radius: 0;
  background: #f4f1e9;
  box-shadow: -22px 0 58px rgba(25,33,28,.13);
  overflow: hidden;
}
.question-detail-dialog::backdrop { background: rgba(22,27,23,.18); }
.question-detail-head { min-height: 64px; padding: 14px 18px; }
.question-detail-head .eyebrow { display: none; }
.question-detail-head h2 { margin: 5px 0 0; font-size: 19px; }
.question-detail-content { height: calc(100dvh - 64px); overflow: auto; padding: 18px; }
.question-reading-layout { grid-template-columns: 1fr; gap: 14px; }
.question-reading-material { max-height: none; overflow: visible; padding: 28px 30px; }
.question-reading-question { padding: 22px 24px; }
@container (min-width: 820px) {
  .question-reading-layout { grid-template-columns: minmax(0,1.05fr) minmax(330px,.95fr); align-items: start; }
  .question-reading-material { position: sticky; top: 0; }
}

/* 选题篮：更小的入口，信息先于表单 */
.basket-trigger { min-height: 38px; right: 20px; bottom: 18px; padding: 7px 9px; border-radius: 8px; gap: 7px; }
.basket-trigger::before { display: none; }
.basket-trigger strong { min-width: 20px; height: 20px; font-size: 10px; }
.basket-summary { order: -1; padding: 8px 10px; }
.basket-drawer { width: min(420px,96vw); box-shadow: var(--shadow-float); transition-duration: .17s; }
.basket-actions { margin-top: 2px; }

/* 训练卷：训练卷列表 / 目录 / 纸张 / 属性检查 */
.paper-layout { grid-template-columns: 1fr; gap: 12px; }
.paper-list { display: flex; gap: 4px; overflow-x: auto; padding: 0 0 6px; border-bottom: 1px solid var(--line); scrollbar-width: thin; }
.paper-list-item { flex: 0 0 auto; min-width: 170px; max-width: 240px; padding: 9px 10px; font-size: 11px; border-left: 0; border-bottom: 2px solid transparent; }
.paper-list-item.active { border-left-color: transparent; border-bottom-color: var(--accent); }
.paper-list-item strong { font-size: 11px; }
.paper-editor-head { margin-bottom: 14px; }
.paper-head-actions { gap: 5px; }
.paper-workspace { grid-template-columns: 190px minmax(0,1fr) 220px; gap: 16px; }
.paper-outline, .paper-inspector { position: sticky; top: 12px; max-height: calc(100vh - 30px); overflow: auto; border: 1px solid #ddd9cf; border-radius: 8px; background: #f7f5ef; padding: 10px; }
.paper-inspector { background: #f8f6f0; }
.paper-outline-item { cursor: pointer; grid-template-columns: 34px minmax(0,1fr); padding: 8px !important; outline: none; }
.paper-outline-item.selected { background: #e7ede8; box-shadow: inset 2px 0 var(--accent); }
.paper-item-select { width: 100%; min-width: 0; border: 0; background: transparent; padding: 0; text-align: left; color: inherit; }
.paper-item-select:focus-visible { outline: 2px solid #7e9988; outline-offset: 3px; border-radius: 4px; }
.paper-item-order { gap: 3px; }
.paper-item-order b { width: 28px; height: 28px; }
.mini { width: 28px; height: 25px; padding: 0; display: inline-grid; place-items: center; }
.mini .ui-icon { width: 14px; height: 14px; }
.paper-preview { width: 100%; min-height: 1040px; padding: 48px 52px 64px; box-shadow: 0 10px 34px rgba(35,39,34,.055); }
.inspector-question { padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.inspector-question-head { display: flex; justify-content: space-between; gap: 8px; align-items: baseline; }
.inspector-question-head strong { font-size: 13px; }
.inspector-question-head span { color: var(--muted); font-size: 9px; }
.inspector-question p { margin: 8px 0 12px; color: #5c625b; font-size: 11px; line-height: 1.6; }
.inspector-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; }
.inspector-fields label { display: grid; gap: 4px; }
.inspector-fields label > span { color: var(--muted); font-size: 9px; }
.inspector-fields input { width: 100%; min-width: 0; padding: 6px 7px; font-size: 11px; }
.text-danger { margin-top: 8px; font-size: 10px; }
.inspector-checks { padding-top: 14px; }
.inspector-checks h4 { margin: 0 0 9px; font-size: 11px; }
.paper-inspector .paper-structure-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 5px; }
.paper-inspector .structure-stat { padding: 7px; }
.paper-inspector .structure-stat strong { font-size: 16px; }
.paper-inspector .paper-checks { display: grid; gap: 4px; padding: 8px 0; }
.paper-inspector .paper-distributions { grid-template-columns: 1fr; gap: 5px; }
.paper-inspector .structure-block { padding: 7px; }
.empty-inline { color: var(--muted); font-size: 11px; line-height: 1.7; }

/* 空态、错误和加载 */
.empty-state { border: 0; background: transparent; padding: 28px 8px; }
.empty-state p { margin-top: 0; }
.inline-error { margin-bottom: 10px; padding: 9px 10px; border: 1px solid #e2c7c2; border-radius: 7px; background: #f8ece9; color: #7e413a; font-size: 11px; line-height: 1.55; }
.skeleton-stack { display: grid; gap: 9px; width: 100%; }
.dashboard-question-grid > .skeleton-stack, .taxonomy-grid > .skeleton-stack { grid-column: 1 / -1; }
.paper-list > .skeleton-stack { min-width: 100%; }
.skeleton-row, .skeleton-paper, .skeleton-column, .skeleton-sheet { position: relative; overflow: hidden; background: #ebe8e0; }
.skeleton-row::after, .skeleton-paper::after, .skeleton-column::after, .skeleton-sheet::after { content: ""; position: absolute; inset: 0; transform: translateX(-100%); background: linear-gradient(90deg, transparent, rgba(255,255,255,.55), transparent); animation: skeleton-sweep 1.25s infinite; }
.skeleton-row { min-height: 48px; border-radius: 6px; }
.skeleton-row span, .skeleton-row i { position: absolute; top: 14px; height: 8px; border-radius: 4px; background: #ddd9d0; }
.skeleton-row span { left: 12px; width: 48%; }
.skeleton-row i { right: 12px; width: 15%; }
.skeleton-paper { min-height: 178px; padding: 24px; border: 1px solid #e0ddd5; border-radius: 10px; background: #f2f0e9; }
.skeleton-line { display: block; height: 9px; width: 72%; margin: 12px 0; border-radius: 5px; background: #dedbd3; }
.skeleton-line.wide { width: 92%; }
.skeleton-line.medium { width: 58%; }
.skeleton-line.short { width: 34%; }
.skeleton-paper-editor { display: grid; grid-template-columns: 190px 1fr 220px; gap: 16px; min-height: 560px; }
.skeleton-column, .skeleton-sheet { border-radius: 8px; }
.skeleton-sheet { background: #eeece5; }
@keyframes skeleton-sweep { to { transform: translateX(100%); } }
.toast { right: 18px; bottom: 18px; max-width: 360px; border-radius: 8px; box-shadow: var(--shadow-float); transition-duration: .17s; }

@media (pointer: coarse) {
  .secondary-question-action { opacity: 1; transform: none; }
}

@media (max-width: 1050px) {
  .question-toolbar { grid-template-columns: minmax(240px,1fr) repeat(3,minmax(105px,.48fr)) auto; }
  .question-toolbar #search-questions { display: none; }
  .paper-workspace { grid-template-columns: 180px minmax(0,1fr); }
  .paper-inspector { grid-column: 1 / -1; position: static; max-height: none; display: grid; grid-template-columns: minmax(220px,.6fr) minmax(0,1.4fr); gap: 18px; }
  .inspector-checks { padding-top: 0; }
  .skeleton-paper-editor { grid-template-columns: 180px 1fr; }
  .skeleton-paper-editor .skeleton-column:last-child { grid-column: 1 / -1; min-height: 180px; }
}

@media (max-width: 900px) {
  .shell { display: block; }
  .sidebar { padding: 8px 10px; }
  .nav-item { min-height: 36px; padding: 8px 10px; }
  .nav-icon { width: 16px; height: 16px; }
  .question-filter-shell { position: static; }
  .question-toolbar { grid-template-columns: 1fr 1fr; }
  .question-toolbar .search-field { grid-column: 1 / -1; }
  .question-toolbar #search-questions { display: inline-flex; }
  .dimension-filter-panel { position: fixed; top: auto; bottom: 0; left: 0; right: 0; width: auto; max-height: 78dvh; border-radius: 12px 12px 0 0; transform: translateY(8px); transform-origin: bottom center; }
  .dimension-filter-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .question-detail-dialog { width: min(94vw, 760px); }
  .paper-workspace { grid-template-columns: 1fr; }
  .paper-outline, .paper-inspector { position: static; max-height: none; }
  .paper-inspector { display: block; }
  .paper-preview { min-height: 0; }
  .skeleton-paper-editor { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  main { padding-inline: 12px; }
  .topbar { height: 64px; }
  .topbar h1 { font-size: 22px; }
  .connection-state { display: none; }
  .question-toolbar { grid-template-columns: 1fr; }
  .question-toolbar .search-field { grid-column: auto; }
  .dimension-filter-grid { grid-template-columns: 1fr; }
  .question-unit, .question-card { grid-template-columns: 30px minmax(0,1fr); column-gap: 10px; }
  .question-number { width: 29px; height: 29px; font-size: 11px; }
  .question-actions { gap: 2px; }
  .text-icon-button span { display: none; }
  .basket-question-toggle { min-width: 62px; padding-inline: 8px; }
  .material-group-content, .material-group-questions { padding-inline: 14px; }
  .question-detail-dialog { width: 100vw; }
  .question-detail-content { padding: 12px; }
  .question-reading-material, .question-reading-question { padding: 18px 16px; }
  .basket-trigger { left: auto; right: 12px; width: auto; }
  .paper-preview { padding: 26px 16px 36px; }
}

/* ──────────────────────────────────────────────────────────────
   Native-feeling Select V1 + Reading Density V4
   所有可见下拉由站内组件接管；语文材料缩字并扩大正文宽度。
   ────────────────────────────────────────────────────────────── */
.native-select-proxy { display: none !important; }
.custom-select { position: relative; min-width: 0; width: 100%; }
.custom-select-trigger {
  width: 100%; min-width: 0; min-height: 36px;
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 7px 9px 7px 10px;
  border: 1px solid #d4d0c6; border-radius: var(--radius-control);
  background: #fffefa; color: var(--ink); font: inherit; text-align: left; cursor: pointer;
  transition: border-color .15s ease, background-color .15s ease, box-shadow .15s ease;
}
.custom-select-trigger:hover { border-color: #bbb8af; background: #fff; }
.custom-select-trigger:focus-visible { outline: 2px solid #658372; outline-offset: 2px; }
.custom-select-trigger[aria-expanded="true"] { border-color: #6f8878; box-shadow: 0 0 0 3px rgba(35,75,56,.08); background: #fff; }
.custom-select-trigger.placeholder .custom-select-value { color: #858982; }
.custom-select-value { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.custom-select-chevron { display: inline-flex; color: #788078; transition: transform .15s ease; }
.custom-select-trigger[aria-expanded="true"] .custom-select-chevron { transform: rotate(180deg); }
.custom-select-chevron .ui-icon { width: 14px; height: 14px; }
.custom-select-menu {
  position: fixed; z-index: 1000; overflow: auto; padding: 5px;
  border: 1px solid #d5d1c7; border-radius: 8px; background: #fffefb;
  box-shadow: 0 14px 38px rgba(28,36,31,.14); overscroll-behavior: contain;
}
.custom-select-menu[hidden] { display: none !important; }
.custom-select-option {
  width: 100%; min-height: 34px; display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 7px 9px; border: 0; border-radius: 5px; background: transparent;
  color: #414641; font: inherit; text-align: left; cursor: pointer;
}
.custom-select-option:hover, .custom-select-option.active { background: #eef1ec; color: #203d2d; }
.custom-select-option.selected { color: var(--accent); font-weight: 620; }
.custom-select-option:disabled { color: #aaa9a3; cursor: not-allowed; }
.custom-select-option .ui-icon { width: 14px; height: 14px; }

.material-group-content { padding: 20px 20px 18px; }
.material-group-content .material, .material-details .material { max-width: 62em; font-size: 14.5px; line-height: 1.78; }
.question-reading-material { padding: 22px; }
.question-reading-material .material, .reading-text { max-width: 56em; font-size: 15px; line-height: 1.8; }
.paper-preview-material { max-width: none; font-size: 14.5px; line-height: 1.78; }

@media (max-width: 560px) {
  .material-group-content, .material-group-questions { padding-inline: 12px; }
  .material-group-content .material, .material-details .material,
  .question-reading-material .material, .reading-text { max-width: none; font-size: 14.5px; line-height: 1.78; }
  .custom-select-option { min-height: 38px; }
}

/* ──────────────────────────────────────────────────────────────
   Smallest Trainable Point V1
   v6 把“最小能力点 / 知识点”提升为题库的主要检索与解释层。
   ────────────────────────────────────────────────────────────── */
.question-toolbar {
  grid-template-columns: minmax(260px, 1.45fr) minmax(125px,.62fr) minmax(210px,.95fr) minmax(105px,.5fr) auto auto;
}

.semantic-summary {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 7px 9px;
  margin: 12px 0 6px;
  padding-top: 10px;
  border-top: 1px solid #ebe8df;
}
.semantic-summary.muted { display: block; border-top-style: dashed; }
.semantic-summary-label {
  color: #70766f;
  font-size: 10px;
  font-weight: 680;
  letter-spacing: .2px;
}
.semantic-secondary-count { color: #8b8d87; font-size: 10px; }
.training-point-pills { display: flex; flex-wrap: wrap; gap: 6px; min-width: 0; }
.training-point-pill {
  display: inline-flex;
  align-items: center;
  min-height: 25px;
  padding: 4px 8px;
  border-radius: 6px;
  border: 1px solid #d8ddd7;
  background: #f3f6f2;
  color: #2f5740;
  font-size: 10.5px;
  line-height: 1.35;
}
.training-point-pill.primary {
  border-color: #c8d5cc;
  background: #eaf1ec;
  color: #244b34;
  font-weight: 650;
}
.training-point-pill.secondary { background: #f7f6f1; color: #626760; border-color: #e1dfd7; }
.legacy-classification { margin-top: 7px; color: #7d807a; }
.legacy-classification > summary { cursor: pointer; font-size: 10px; }
.legacy-classification .classification-summary { opacity: .82; }

.semantic-diagnostics {
  margin: 18px 0 8px;
  padding: 14px;
  border: 1px solid #d8ddd6;
  border-radius: 8px;
  background: #f8faf7;
}
.semantic-diagnostics-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 11px;
  border-bottom: 1px solid #e3e6e1;
}
.semantic-diagnostics-head h3 { margin: 3px 0 0; font-size: 15px; }
.semantic-role-block { display: grid; grid-template-columns: 82px minmax(0,1fr); gap: 10px; align-items: start; padding-top: 11px; }
.semantic-role-block > strong { padding-top: 4px; font-size: 10px; color: #656a64; }
.semantic-role-block.secondary { padding-top: 8px; }
.semantic-requirement-details { margin-top: 11px; border-top: 1px dashed #dddeda; padding-top: 9px; }
.semantic-requirement-details > summary { cursor: pointer; color: #52665a; font-size: 10.5px; font-weight: 650; }
.semantic-requirement-list { display: grid; gap: 7px; margin-top: 9px; }
.semantic-requirement {
  padding: 9px 10px;
  border: 1px solid #e2e3de;
  border-radius: 6px;
  background: #fffefb;
}
.semantic-requirement > div { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; }
.semantic-requirement strong { font-size: 11px; }
.semantic-requirement small { color: var(--muted); font-size: 9px; }
.semantic-requirement p { margin: 6px 0 0; font-size: 10.5px; line-height: 1.6; color: #555b55; }

.same-training-results { display: grid; gap: 8px; margin: 10px 0 4px; }
.candidate-loading, .candidate-empty {
  padding: 13px;
  border: 1px dashed #d7d7d0;
  border-radius: 7px;
  background: #faf9f5;
  color: #666b65;
  font-size: 11px;
  line-height: 1.6;
}
.candidate-empty strong { display: block; color: #454b46; }
.candidate-empty p { margin: 5px 0 0; }
.candidate-section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; color: #6d726c; font-size: 10px; }
.candidate-section-head strong { color: #353a36; font-size: 12px; }
.candidate-card {
  display: grid;
  gap: 7px;
  padding: 11px 12px;
  border: 1px solid #dfded7;
  border-radius: 7px;
  background: #fffefb;
}
.candidate-card.direct { border-color: #c9d6cd; background: #fbfdfb; }
.candidate-card-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; color: var(--muted); font-size: 9.5px; }
.candidate-relation { padding: 3px 6px; border-radius: 999px; background: #efeee8; color: #686b66; font-weight: 650; }
.candidate-relation.direct { background: #e5eee8; color: #315a41; }
.candidate-card h4 { margin: 0; font-size: 11.5px; line-height: 1.55; font-weight: 620; }
.candidate-source { margin: 0; color: #8a8c86; font-size: 9.5px; }
.candidate-shared-points { display: grid; gap: 5px; }
.candidate-shared-points > small { color: #858983; font-size: 9px; }
.candidate-reason { margin: 0; color: #5d625d; font-size: 10px; line-height: 1.55; }
.candidate-retrieval-note { margin: 0 0 9px; padding: 8px 10px; border-radius: 7px; background: #edf2ee; color: #45604f; font-size: 10px; line-height: 1.55; }
.candidate-vector-note { color: #7b817b; font-size: 9px; line-height: 1.5; }
.candidate-open { justify-self: start; padding-left: 0; }
.related-candidate-details { margin-top: 2px; }
.related-candidate-details > summary { cursor: pointer; color: #737872; font-size: 10px; font-weight: 650; }
.related-candidate-list { display: grid; gap: 7px; margin-top: 8px; }

.semantic-model-summary {
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(0,1.08fr) minmax(300px,.92fr);
  gap: 22px;
  align-items: center;
  padding: 18px 22px;
}
.semantic-model-summary h2 { font-size: 23px; }
.semantic-model-summary-copy > p:not(.eyebrow) { margin: 8px 0 0; color: var(--muted); font-size: 11px; line-height: 1.62; }
.semantic-model-summary-side { min-width: 0; }
.semantic-model-summary-side .pipeline { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 6px; margin: 0; }
.semantic-model-summary-side .pipeline span { min-width: 0; padding: 7px 8px; font-size: 9.5px; }
.semantic-model-note { margin-bottom: 0; }
.semantic-model-summary-side .semantic-model-note { margin: 9px 0 0; color: #858983; font-size: 9px; line-height: 1.5; }
.training-view-head { align-items: end; }
.training-view-switch {
  display: inline-flex;
  gap: 3px;
  padding: 3px;
  border: 1px solid #d8d8d0;
  border-radius: 9px;
  background: #ecebe5;
}
.training-view-button {
  min-height: 32px;
  padding: 6px 13px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: #6b706b;
  font-size: 11px;
  font-weight: 650;
}
.training-view-button.active { background: #fffefb; color: #294d37; box-shadow: 0 1px 4px rgba(34,42,37,.08); }
.training-point-tree[hidden], .training-graph-panel[hidden] { display: none !important; }
.training-graph-panel {
  overflow: hidden;
  border: 1px solid #d9d8d1;
  border-radius: 14px;
  background: #1b211d;
  box-shadow: 0 12px 34px rgba(31,40,34,.08);
}
.training-graph-toolbar {
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 8px 10px 8px 14px;
  border-bottom: 1px solid rgba(225,235,228,.09);
  background: #202722;
  color: #e8eee9;
}
.training-graph-caption { min-width: 0; display: flex; align-items: baseline; gap: 9px; }
.training-graph-caption strong { font-size: 12px; }
.training-graph-caption span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: #89978e; font-size: 9.5px; }
.training-graph-actions { display: flex; align-items: center; gap: 5px; flex: 0 0 auto; }
.graph-tool {
  min-height: 32px;
  padding: 6px 9px;
  border: 1px solid rgba(222,235,226,.12);
  border-radius: 7px;
  background: rgba(255,255,255,.035);
  color: #aeb9b1;
  font-size: 10px;
}
.graph-tool:hover:not(:disabled), .graph-tool.active { border-color: rgba(143,181,157,.5); background: rgba(91,127,103,.2); color: #eaf4ed; }
.graph-tool:disabled { cursor: default; opacity: .38; }
.graph-tool.graph-zoom { width: 32px; padding-inline: 0; font-size: 17px; line-height: 1; }
.training-graph-stage {
  display: grid;
  grid-template-columns: minmax(0,1fr) 260px;
  min-height: 520px;
}
.training-graph-canvas-wrap { position: relative; min-width: 0; overflow: hidden; background: radial-gradient(circle at 52% 48%, #232c26 0%, #1a211d 52%, #151a17 100%); }
.training-graph-canvas-wrap::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .18;
  background-image: radial-gradient(rgba(215,230,220,.14) .65px, transparent .65px);
  background-size: 18px 18px;
}
.training-graph-svg { position: relative; z-index: 1; display: block; width: 100%; min-height: 470px; touch-action: none; user-select: none; cursor: grab; }
.training-graph-svg:active { cursor: grabbing; }
.graph-edge { stroke-linecap: round; vector-effect: non-scaling-stroke; transition: opacity .16s ease, stroke .16s ease; }
.graph-edge-hierarchy { stroke: rgba(143,163,150,.25); stroke-width: 1; }
.graph-edge-related { stroke: rgba(127,171,143,.38); stroke-width: calc(.75px + (var(--edge-weight, 1) * .18px)); stroke-dasharray: 3 5; }
.graph-edge-question { stroke: rgba(194,205,197,.18); stroke-width: .7; }
.graph-edge.is-highlighted { stroke: #91c3a1; stroke-width: 1.45; opacity: .95; }
.graph-edge.is-dim { opacity: .08; }
.graph-edge.is-local-hidden { opacity: 0 !important; }
.graph-node { cursor: pointer; outline: none; transition: opacity .16s ease; }
.graph-node-dot { vector-effect: non-scaling-stroke; transition: r .14s ease, fill .14s ease, stroke .14s ease, opacity .14s ease; }
.graph-node-root .graph-node-dot { fill: #e0eee3; stroke: #f1f8f3; stroke-width: 1.8; }
.graph-node-family .graph-node-dot { fill: #78a589; stroke: #b5d0bd; stroke-width: 1.4; }
.graph-node-branch .graph-node-dot { fill: #5f8c70; stroke: #91ac99; stroke-width: 1.1; }
.graph-node-leaf .graph-node-dot { fill: #aab8ae; stroke: #d4ddd6; stroke-width: .75; }
.graph-node-question .graph-node-dot { fill: #7c847e; stroke: #b9c0bb; stroke-width: .55; opacity: .8; }
.graph-node-label {
  fill: #c5d0c8;
  font-size: 8.7px;
  font-weight: 560;
  paint-order: stroke;
  stroke: rgba(24,30,26,.9);
  stroke-width: 2.8px;
  stroke-linejoin: round;
  pointer-events: none;
  opacity: 0;
  transition: opacity .15s ease;
}
.graph-node-root .graph-node-label, .graph-node-family .graph-node-label { opacity: .9; font-weight: 700; }
.graph-node:hover .graph-node-label, .graph-node:focus-visible .graph-node-label, .graph-node.is-selected .graph-node-label, .graph-node.is-neighbor.graph-node-leaf .graph-node-label { opacity: 1; }
.graph-node:hover .graph-node-dot, .graph-node:focus-visible .graph-node-dot { stroke: #dff0e4; stroke-width: 1.7; }
.graph-node.is-selected .graph-node-dot { fill: #f0f6f1; stroke: #97d1aa; stroke-width: 2.2; }
.graph-node.is-neighbor .graph-node-dot { stroke: #8bc19b; stroke-width: 1.45; }
.graph-node.is-dim { opacity: .16; }
.graph-node.is-local-hidden { opacity: 0; pointer-events: none; }
.training-graph-legend {
  position: absolute;
  left: 12px;
  bottom: 10px;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  padding: 7px 9px;
  border: 1px solid rgba(223,235,227,.09);
  border-radius: 7px;
  background: rgba(20,25,22,.7);
  backdrop-filter: blur(8px);
  color: #88958c;
  font-size: 8.5px;
}
.training-graph-legend span { display: inline-flex; align-items: center; gap: 5px; }
.legend-node { width: 7px; height: 7px; display: inline-block; border-radius: 50%; }
.legend-node.family { background: #78a589; }
.legend-node.leaf { background: #aab8ae; }
.legend-node.question { width: 5px; height: 5px; background: #7c847e; }
.legend-line { width: 14px; height: 0; display: inline-block; border-top: 1px dashed #71a184; }
.training-graph-inspector {
  min-width: 0;
  padding: 18px 16px;
  border-left: 1px solid rgba(225,235,228,.09);
  background: #202722;
  color: #dfe7e1;
}
.training-graph-inspector .eyebrow { color: #75877a; }
.training-graph-inspector h3 { margin: 7px 0 8px; font-size: 16px; line-height: 1.35; color: #f0f4f1; }
.training-graph-inspector .muted, .graph-inspector-description { margin: 0; color: #91a096; font-size: 10.5px; line-height: 1.65; }
.graph-inspector-hint { margin-top: 16px; padding: 9px 10px; border-radius: 7px; background: rgba(255,255,255,.035); color: #77867c; font-size: 9px; line-height: 1.55; }
.graph-inspector-stats { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 5px; margin: 16px 0; }
.graph-inspector-stats span { min-width: 0; padding: 8px 6px; border: 1px solid rgba(220,232,223,.09); border-radius: 7px; background: rgba(255,255,255,.025); }
.graph-inspector-stats strong, .graph-inspector-stats small { display: block; }
.graph-inspector-stats strong { color: #e7efe9; font-size: 14px; }
.graph-inspector-stats small { margin-top: 3px; color: #738179; font-size: 8px; line-height: 1.3; }
.graph-inspector-section { margin-top: 14px; }
.graph-inspector-section > span { display: block; margin-bottom: 6px; color: #74847a; font-size: 8.5px; letter-spacing: .4px; }
.graph-link-pills { display: flex; flex-wrap: wrap; gap: 5px; }
.graph-link-pill {
  max-width: 100%;
  min-height: 28px;
  padding: 5px 7px;
  border: 1px solid rgba(210,225,215,.1);
  border-radius: 6px;
  background: rgba(255,255,255,.035);
  color: #aebbb2;
  text-align: left;
  font-size: 9px;
}
.graph-link-pill:hover { border-color: rgba(143,181,157,.45); color: #e5eee7; }
.graph-link-pill b { margin-left: 5px; color: #8eb69a; font-size: 8px; }
.graph-inspector-primary { width: 100%; margin-top: 16px; min-height: 38px; }
.training-point-tree {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 10px;
}
.training-tree-family {
  min-width: 0;
  padding: 10px;
  border: 1px solid #dddcd4;
  border-radius: 8px;
  background: var(--panel);
}
.training-tree-node { min-width: 0; }
.training-tree-children { display: grid; gap: 3px; margin: 3px 0 0 12px; padding-left: 9px; border-left: 1px solid #e3e1d9; }
.training-tree-point {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-width: 0;
  padding: 8px 9px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: #373c38;
  text-align: left;
}
.training-tree-point:hover { background: #f0f3ee; }
.training-tree-point:focus-visible { outline: 2px solid #6f8a79; outline-offset: 1px; }
.training-tree-point > span { min-width: 0; display: grid; gap: 2px; }
.training-tree-point strong { font-size: 11.5px; line-height: 1.35; }
.training-tree-point small { color: #898b85; font-size: 9px; line-height: 1.45; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.training-tree-point > b { flex: 0 0 auto; color: #738078; font-size: 9px; font-weight: 600; }
.training-tree-node.depth-0 > .training-tree-point { background: #f7f6f1; }
.training-tree-node.depth-0 > .training-tree-point strong { font-size: 12.5px; color: #294d37; }
.training-tree-node.leaf > .training-tree-point strong::before { content: "·"; margin-right: 5px; color: #809487; }

.semantic-evolution-row h3 { margin: 0 0 5px; font-size: 13px; }
.semantic-evolution-detail { margin-top: 10px; }
.semantic-change-list { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 8px; }
.semantic-change { border-left: 3px solid #7d9584; }
.semantic-change p { font-size: 11px; line-height: 1.6; }
.semantic-change-from { margin: 8px 0; padding: 7px 8px; border-radius: 5px; background: #f3f1eb; color: #6e716c; font-size: 10px; }
.semantic-review-actions { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin: 10px 0 20px; padding: 12px; border: 1px solid #dedcd4; border-radius: 8px; background: #faf9f5; }
.legacy-taxonomy-head { margin-top: 46px; opacity: .78; }
.legacy-taxonomy-summary { min-height: 0; opacity: .86; }

.dashboard-question .semantic-summary { margin-top: auto; border-top: 0; padding-top: 5px; }
.dashboard-question .semantic-summary-label { display: none; }

@media (max-width: 1050px) {
  .question-toolbar { grid-template-columns: minmax(240px,1fr) minmax(110px,.48fr) minmax(180px,.8fr) minmax(105px,.48fr) auto; }
  .training-point-tree { grid-template-columns: 1fr; }
  .training-graph-stage { grid-template-columns: minmax(0,1fr) 220px; }
}

@media (max-width: 900px) {
  .training-view-head { align-items: center; }
  .training-graph-toolbar { flex-wrap: wrap; }
  .training-graph-caption { flex: 1 1 260px; }
  .training-graph-actions { flex: 1 1 auto; justify-content: flex-end; }
  .training-graph-stage { grid-template-columns: 1fr; }
  .training-graph-inspector {
    min-height: 150px;
    border-left: 0;
    border-top: 1px solid rgba(225,235,228,.09);
  }
  .question-toolbar { grid-template-columns: 1fr 1fr; }
  .question-toolbar .search-field { grid-column: 1 / -1; }
  .semantic-change-list { grid-template-columns: 1fr; }
  .semantic-review-actions { align-items: stretch; flex-direction: column; }
}

@media (max-width: 560px) {
  .question-toolbar { grid-template-columns: 1fr; }
  .question-toolbar .search-field { grid-column: auto; }
  .semantic-role-block { grid-template-columns: 1fr; gap: 5px; }
  .semantic-role-block > strong { padding-top: 0; }
  .training-tree-children { margin-left: 7px; padding-left: 6px; }
  .candidate-section-head { align-items: flex-start; flex-direction: column; }
}

/* ──────────────────────────────────────────────────────────────
   Touch-first UI V4 · 手机优先的备课工作台
   ────────────────────────────────────────────────────────────── */
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(52, 88, 67, .18);
  outline-offset: 2px;
}

@media (pointer: coarse) {
  .primary,
  .ghost,
  .back,
  .danger-button,
  .text-button,
  .text-icon-button,
  .text-danger,
  .quick-tag,
  .basket-question-toggle,
  .detail-basket-toggle {
    min-height: 44px;
  }
  input, select, textarea { min-height: 44px; }
}

@media (min-width: 901px) {
  .nav-item { min-height: 42px; }
  .topbar { height: 68px; }
  .dashboard-welcome { padding-top: 14px; }
}

@media (max-width: 900px) {
  body { padding-bottom: calc(70px + env(safe-area-inset-bottom)); }

  /* 平板/触屏题目卡保持一行工具头，避免“学段”和操作按钮上下堆叠后撑出大片空白。 */
  .question-unit .qtop,
  .question-card .qtop {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    min-height: 40px;
  }
  .question-source-line { flex: 1 1 auto; min-width: 0; }
  .question-actions { margin-left: auto; }

  /* 搜索作为一次完整动作，占满一行，不在平板宽度留下半列空白。 */
  .question-toolbar #search-questions { grid-column: 1 / -1; }

  /* 五个核心入口固定到底部，避免横向滚动把入口藏出屏幕。 */
  .sidebar {
    position: fixed;
    inset: auto 0 0 0;
    z-index: 60;
    width: 100%;
    height: calc(68px + env(safe-area-inset-bottom));
    padding: 6px 8px calc(6px + env(safe-area-inset-bottom));
    border: 0;
    border-top: 1px solid rgba(255,255,255,.1);
    background: rgba(31, 40, 34, .98);
    box-shadow: 0 -8px 28px rgba(25, 33, 28, .12);
    backdrop-filter: blur(16px);
  }
  .sidebar nav {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 2px;
    width: 100%;
    overflow: visible;
  }
  .nav-item {
    min-width: 0;
    min-height: 54px;
    padding: 5px 2px;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    border-radius: 9px;
    text-align: center;
    white-space: nowrap;
    font-size: 10.5px;
    line-height: 1;
  }
  .nav-item.active {
    background: rgba(255,255,255,.09);
    box-shadow: none;
  }
  .nav-icon { width: 19px; height: 19px; }
  .nav-icon svg { width: 19px; height: 19px; }

  main {
    max-width: none;
    padding: 0 18px calc(28px + env(safe-area-inset-bottom));
  }
  .topbar { height: 62px; }
  .topbar-title { width: 100%; justify-content: space-between; }
  .topbar h1 { font-size: 22px; }

  /* 组卷页在平板宽度下保持一个连续工作台，不让新建表单漂到右上角。 */
  #view-papers > .section-head {
    margin: 4px 0 14px;
    align-items: end;
  }
  #view-papers > .section-head > div:first-child { display: none; }
  #view-papers > .section-head .inline-create {
    width: 100%;
    display: grid;
    grid-template-columns: minmax(220px, 1fr) minmax(150px, .52fr) auto;
    gap: 8px;
    align-items: end;
  }
  #view-papers > .section-head .inline-create .form-field { min-width: 0; }
  #view-papers > .section-head .inline-create .primary {
    min-height: 42px;
    padding-inline: 16px;
    white-space: nowrap;
  }
  #view-papers .paper-layout { gap: 8px; }
  #view-papers .paper-list { margin-top: 0; }

  /* 首页改成“搜索 → 快捷入口 → 最近内容”，不再形成超长卡片墙。 */
  .dashboard-welcome {
    display: block;
    padding: 10px 0 16px;
    border-bottom: 0;
  }
  .dashboard-welcome h2 { font-size: 28px; }
  .dashboard-welcome p { max-width: 42em; font-size: 13px; line-height: 1.65; }
  .dashboard-search { margin-top: 16px; }

  .compact-kpis {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    margin: 0 0 18px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--paper);
  }
  .compact-kpis .kpi-card {
    min-width: 0;
    min-height: 64px;
    padding: 9px 8px;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 3px;
    background: var(--paper);
  }
  .compact-kpis .kpi-card strong { order: 0; margin: 0; font-size: 20px; }
  .compact-kpis .kpi-card span { font-size: 9px; line-height: 1.2; white-space: nowrap; }
  .compact-kpis .kpi-card + .kpi-card::before { top: 10px; bottom: 10px; }

  .dashboard-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
    width: 100%;
    min-width: 0;
  }
  .dashboard-panel { width: 100%; min-width: 0; }
  .dashboard-panel .section-head { padding-top: 14px; }
  .section-head { margin-top: 24px; }
  .section-head.compact { margin-top: 18px; }

  /* 能力点和内容领域横向轻扫，不再一口气铺满几屏。 */
  .quick-tags {
    width: 100%;
    flex-wrap: nowrap;
    gap: 7px;
    overflow-x: auto;
    padding: 1px 1px 6px;
    scroll-snap-type: x proximity;
    scrollbar-width: none;
    overscroll-behavior-inline: contain;
  }
  .quick-tags::-webkit-scrollbar { display: none; }
  .quick-tag { flex: 0 0 auto; scroll-snap-align: start; }

  /* 最近题目横向浏览，一屏聚焦一两道，不把首页拖成五千像素。 */
  .dashboard-question-grid {
    display: flex;
    width: 100%;
    gap: 10px;
    overflow-x: auto;
    padding: 1px 1px 8px;
    border: 0;
    background: transparent;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    overscroll-behavior-inline: contain;
  }
  .dashboard-question-grid::-webkit-scrollbar { display: none; }
  .dashboard-question {
    flex: 0 0 min(82vw, 320px);
    min-height: 172px;
    border: 1px solid var(--line);
    border-radius: 10px;
    scroll-snap-align: start;
  }

  .basket-trigger {
    right: 12px;
    bottom: calc(80px + env(safe-area-inset-bottom));
    z-index: 70;
  }
  .basket-backdrop { z-index: 79; }
  .basket-drawer { z-index: 80; }
  .toast { bottom: calc(82px + env(safe-area-inset-bottom)); }
}

@media (max-width: 560px) {
  main { padding-inline: 12px; }
  .topbar { height: 56px; }
  .topbar h1 { font-size: 20px; }
  .dashboard-welcome { padding-top: 6px; }
  .dashboard-welcome h2 { font-size: 25px; line-height: 1.2; }
  .dashboard-search { grid-template-columns: minmax(0, 1fr) auto; gap: 7px; }
  .dashboard-search > label { grid-column: 1 / -1; }
  .dashboard-search .primary { width: auto; min-width: 64px; }
  .dashboard-search .search-wrap input { min-height: 46px; }

  .question-toolbar {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 8px;
  }
  .question-toolbar .search-field { grid-column: 1 / -1; }
  .question-toolbar #search-questions { grid-column: 1 / -1; }
  .question-toolbar .toolbar-field select,
  .question-toolbar .toolbar-field input { min-width: 0; }

  .compact-kpis .kpi-card { padding-inline: 6px; }
  .compact-kpis .kpi-card strong { font-size: 19px; }
  .compact-kpis .kpi-card span { font-size: 8.5px; letter-spacing: 0; }

  .section-head { align-items: center; gap: 10px; }
  .section-head h2 { font-size: 18px; }
  .section-head .ghost { min-height: 40px; padding-inline: 10px; }

  .training-view-head { align-items: stretch; flex-direction: column; }
  .training-view-switch { align-self: flex-start; }
  .semantic-model-summary { grid-template-columns: 1fr; gap: 10px; padding: 16px; }
  .semantic-model-summary h2 { font-size: 20px; }
  .semantic-model-summary-copy > p:not(.eyebrow) { display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; overflow: hidden; }
  .semantic-model-summary-side .semantic-model-note { display: none; }
  .training-graph-panel { border-radius: 10px; }
  .training-graph-toolbar { padding: 9px; gap: 8px; }
  .training-graph-caption span { display: none; }
  .training-graph-actions { justify-content: flex-start; overflow-x: auto; padding-bottom: 1px; }
  .graph-tool { white-space: nowrap; }
  .training-graph-svg { min-height: 430px; }
  .training-graph-legend { right: 9px; left: 9px; justify-content: center; }
  .training-graph-inspector { padding: 15px 13px; }
  .graph-inspector-stats { gap: 4px; }

  #view-papers > .section-head {
    align-items: stretch;
    flex-direction: column;
    gap: 12px;
  }
  #view-papers > .section-head .inline-create {
    width: 100%;
    grid-template-columns: 1fr;
  }
  #view-papers > .section-head .inline-create .primary { width: 100%; }

  .mini-row { min-height: 52px; padding: 11px 2px; }
  .dashboard-panel .mini-list .mini-row:nth-child(n+3) { display: none; }

  .basket-trigger {
    min-height: 44px;
    padding-inline: 12px;
    border-radius: 12px;
  }
  .basket-trigger::before { display: none; }
}

/* ──────────────────────────────────────────────────────────────
   Global Dark V1
   全局暗色备课界面。导出的 Word / 打印文件不受此处网页主题影响。
   ────────────────────────────────────────────────────────────── */
:root {
  color-scheme: dark;
  --bg: #0f1411;
  --panel: #151b17;
  --paper: #1a201c;
  --paper-muted: #121713;
  --ink: #e6ece7;
  --ink-soft: #b5c0b8;
  --muted: #919d95;
  --line: #2a332d;
  --line-soft: #222a25;
  --accent: #6f9f82;
  --accent-hover: #82b291;
  --accent-soft: #20362a;
  --accent-faint: #17251d;
  --warn: #d1a263;
  --danger: #dc7e77;
  --shadow-paper: 0 1px 2px rgba(0,0,0,.2), 0 18px 44px rgba(0,0,0,.28);
}

html, body { background: var(--bg); color: var(--ink); }
::selection { background: #355844; color: #f4f8f5; }
a { color: #91b9a0; }

.sidebar { background: #0d1510; border-right-color: #1f2923; }
.brand-mark { background: #17231c; border-color: #4f6d5a; color: #e7efe9; }
.brand span, .sidebar-note { color: #7f9487; }
.sidebar-note { border-top-color: #26372d; }
.nav-item { color: #92a399; }
.nav-item:hover { background: #18231d; color: #edf4ef; }
.nav-item.active { background: #223329; color: #f7faf8; box-shadow: inset 2px 0 #77a188; }
.nav-item.active::before, .nav-item.active .nav-icon { color: #b8d2c1; }

.eyebrow { color: #758178; }
.topbar h1, .section-head h2, .dashboard-welcome h2, .hero-card h2 { color: var(--ink); }
.dashboard-welcome p, .dashboard-question .stem-preview, .hero-card > p:not(.eyebrow), .muted { color: var(--muted); }
.status-pill { color: #94a198; }
.status-pill.ok { color: #8fb79e; }
.connection-dot { background: #64716a; }
.connection-state.ok .connection-dot { background: #74a486; }

input, select, textarea, .custom-select-trigger {
  background: #121814;
  color: var(--ink);
  border-color: #334038;
}
input::placeholder, textarea::placeholder { color: #657169; }
input:hover, select:hover, textarea:hover, .custom-select-trigger:hover {
  background: #151c17;
  border-color: #46554c;
}
input:focus, select:focus, textarea:focus, .custom-select-trigger[aria-expanded="true"] {
  background: #151c17;
  border-color: #6f9f82;
  box-shadow: 0 0 0 3px rgba(111,159,130,.13);
}
option { background: #151b17; color: var(--ink); }
.custom-select-menu { background: #141a16; border-color: #344038; box-shadow: 0 14px 36px rgba(0,0,0,.38); }
.custom-select-option { color: #c5cec8; }
.custom-select-option:hover, .custom-select-option.active { background: #203128; color: #e8f0eb; }

.primary { background: #365f49; color: #f5f8f6; }
.primary:hover { background: #47765b; }
.ghost { background: transparent; border-color: #344038; color: #b5c0b8; }
.ghost:hover, .text-button:hover, .text-icon-button:hover { background: #1a211d; border-color: #48564e; color: var(--ink); }
.back { color: #9da9a1; }
.danger-button { background: #35211f; color: #e99b94; }
.danger-button:hover, .text-danger:hover { background: #432824; }
.danger-link, .text-danger { color: #dd837b; }

.dashboard-welcome, .compact-kpis, .section-head, .paper-structure { border-color: var(--line); }
.dashboard-search .search-wrap input, .hero-card, .upload-card, .kpi-card, .dashboard-question,
.question-card, .review-card, .taxonomy-card, .paper-editor { background: var(--panel); border-color: var(--line); }
.compact-kpis .kpi-card { background: transparent; }
.compact-kpis .kpi-card + .kpi-card::before { background: var(--line); }
.dashboard-question-grid { border-color: var(--line); background: var(--line); }
.dashboard-question { background: #151b17; }
.dashboard-panel { background: transparent; }
.mini-row { border-color: var(--line); }
.mini-row:hover, .source-row:hover, .paper-list-item:hover { background: rgba(255,255,255,.035); }
.quick-tag { background: #151b17; border-color: #303a34; color: #b9c3bc; }
.quick-tag:hover { background: #1d2d24; border-color: #4e705b; color: #c7ddcf; }
.quick-tag.goal, .taxonomy-pill, .primary-tags .taxonomy-pill.goal { background: #203128; border-color: #304a3a; color: #9fc4ac; }
.pipeline span { background: #19201b; color: #aab5ad; }
.pipeline b { color: #59645d; }
.dropzone { background: #111713; border-color: #3b4740; color: #aeb9b1; }
.upload-icon { background: #1f3428; color: #9cc2a8; }

.source-row { border-color: var(--line); }
.source-title > :last-child { min-width: 0; }
.doc-icon { background: #171d19; border-color: #303a34; color: #89aa94; }
.badge { background: #202722; color: #a7b0aa; }
.badge.review { background: #342919; color: #d5ab69; }
.badge.published { background: #20352a; color: #9ac2a7; }
.badge.failed { background: #38221f; color: #e18a83; }
.empty-state { background: transparent; color: var(--muted); }
.block, .draft { background: #141a16; border-color: #29322d; }

.question-filter-shell, .question-toolbar {
  background: rgba(15,20,17,.91);
  border-color: rgba(48,59,52,.92);
  box-shadow: 0 12px 30px rgba(0,0,0,.16);
}
.dimension-filter-panel { background: #131915; border-color: #2b352f; }
.filter-popover-head, .filter-panel-foot { border-color: var(--line); }
.filter-toggle span { background: #24352b; color: #9fc2aa; }
.filter-chip { background: #151b17; border-color: #313c35; color: #abb6ae; }
.saved-filter { background: #151b17; border-color: #313b35; }
.saved-filter button { color: #b5c0b8; }

.material-group { background: #141a16; border-color: #29332c; box-shadow: 0 1px 0 rgba(255,255,255,.015); }
.material-group-head { background: #171e19; border-color: #29332c; }
.question-unit { border-color: #262f2a; }
.question-unit:hover { background: #171d19; }
.material { background: #151c17; border-left-color: #4d6656; color: #bdc5bf; }
.rt-highlight { background: #574d22; color: #f1e9b6; }
.rich-table { background: rgba(255,255,255,.018); }
.rich-table th, .rich-table td { border-color: #364139; }
.draft-rich-preview { background: #161c18; border-color: #303a34; }
.question-asset { background: #fff; border-color: #364139; }

.answer-details { border-color: #303a34; }
.answer-details > summary { color: #9eaaa2; }
.answer-box { background: #151b17; border-color: #2b352f; }
.answer-box h4 { color: #a9c4b3; }

.paper-list-item { color: var(--ink); border-color: transparent; }
.paper-list-item.active { background: #1f3027; border-color: #6f9f82; }
.paper-title-input { color: var(--ink); }
.paper-item-order b, .mini { background: #1d2520; border-color: #354038; color: #b7c1ba; }
.paper-structure { background: transparent; }
.structure-stat, .structure-block { background: #141a16; border-color: #2b352f; }
.structure-block span { background: #1c241f; color: #a9b4ac; }
.undo-bar { background: #332a1b; color: #d5b679; }
.paper-outline, .paper-inspector { background: #131914; border-color: #2c362f; }
.paper-outline-group { background: #171d19; border-color: #2c362f; }
.paper-outline-group-head { background: #1d241f; }
.paper-outline-item.selected { background: #203128; box-shadow: inset 2px 0 #6f9f82; }

/* 纸面预览也进入暗环境，但保留比周围略亮的“纸张”层级。 */
.paper-preview, .question-reading-material, .question-reading-question {
  background: #1b211d;
  color: #e7e3da;
  border-color: #343b36;
  box-shadow: 0 16px 38px rgba(0,0,0,.2);
}
.paper-preview .material, .question-reading-material .material, .reading-text { color: #d8d5cd; }

.question-detail-dialog { background: #111713; color: var(--ink); border-color: #303a34; }
.question-detail-dialog::backdrop { background: rgba(0,0,0,.6); }
.question-detail-head { background: #121814; border-color: #2b352f; }
.question-detail-content { background: #0f1411; }

.basket-backdrop { background: rgba(0,0,0,.52); }
.basket-drawer { background: #111713; border-color: #2b352f; box-shadow: -18px 0 50px rgba(0,0,0,.4); }
.basket-summary { background: #203128; color: #9fc2aa; }
.basket-group { background: #151b17; border-color: #2b352f; }
.basket-group-head { background: #1b221d; }
.basket-trigger { background: #315a44; box-shadow: 0 10px 28px rgba(0,0,0,.32); }
.basket-trigger strong { background: #dfe8e1; color: #244833; }

.question-number { background: #1b231e; border-color: #39463e; color: #b7d0c0; }
.question-unit .stem, .question-card .stem, .detail-stem { color: #e1e7e2; }
.question-source-line { color: #748078; }
.question-source-line strong { color: #aeb8b1; }
.primary-meta { color: #8f9a92; }
.primary-meta-item + .primary-meta-item::before { color: #4f5b53; }
.primary-meta-item small { color: #6f7b73; }
.primary-meta-item b { color: #a9b4ac; }
.primary-meta-item.training_goal b { color: #9ec3ab; }
.question-supplement { background: #181d18; border-color: #3a352b; }
.supplement-label { color: #d1a263; }
.more-tags > summary, .answer-details > summary, .material-details > summary { color: #91a79a; }
.question-reading-material .material, .reading-text { color: #ddd9d0; }

.training-point-pill { background: #1b241e; color: #9fc2aa; border-color: #34463a; }
.training-point-pill.primary { background: #20362a; color: #b3d3bd; border-color: #42614d; }
.semantic-role-block > strong { color: #8e9a92; }
.semantic-requirement-details { border-color: #354039; }
.semantic-requirement-details > summary { color: #95a99c; }
.semantic-requirement { background: #151b17; border-color: #2e3932; }
.semantic-requirement p { color: #aeb8b1; }

.taxonomy-arrow span, .semantic-change-from, .semantic-review-actions, .candidate-card,
.candidate-card.direct, .candidate-retrieval-note, .semantic-diagnostics,
.training-tree-family, .training-tree-node.depth-0 > .training-tree-point {
  background: #151b17;
  border-color: #2b352f;
  color: #b8c2bb;
}
.semantic-review-actions { border-color: #2b352f; }
.candidate-card.direct { border-color: #365240; }
.candidate-relation { background: #202722; color: #a9b2ac; }
.candidate-relation.direct { background: #20352a; color: #9fc4ac; }
.candidate-retrieval-note { color: #9daf9f; }
.training-tree-children { border-color: #29332c; }
.training-tree-point { color: #c7d0c9; }
.training-tree-point:hover { background: #1c2620; }
.training-tree-point small { color: #79857d; }
.training-tree-point > b { color: #85988b; }
.training-tree-node.depth-0 > .training-tree-point strong { color: #a9cbb5; }
.training-point-pill.secondary { background: #1a211d; color: #aeb8b1; border-color: #303a34; }

.training-view-switch { background: #171d19; border-color: #2d3731; }
.training-view-button { color: #8f9b93; }
.training-view-button.active { background: #26342c; color: #b9d4c2; box-shadow: none; }

.inline-error { background: #351f1c; border-color: #56322e; color: #e49991; }
.skeleton-row, .skeleton-paper, .skeleton-column, .skeleton-sheet { background: #1b221e; }
.skeleton-row span, .skeleton-row i, .skeleton-line { background: #29322d; }
.skeleton-paper { border-color: #2b352f; }
.skeleton-row::after, .skeleton-paper::after, .skeleton-column::after, .skeleton-sheet::after {
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.06), transparent);
}

@media (max-width: 900px) {
  .sidebar { background: rgba(11,17,13,.98); border-top-color: #253029; }
  .nav-item.active { background: rgba(111,159,130,.18); box-shadow: none; }
  .source-title h3 { white-space: normal; overflow-wrap: anywhere; line-height: 1.45; }
  .source-title .meta { min-width: 0; gap: 5px 8px; }
}

/* 主题切换：默认沿用暗色，data-theme="light" 时恢复纸张亮色体系。 */
.theme-control {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 10px;
  white-space: nowrap;
}
.theme-control select {
  min-height: 32px;
  padding: 5px 28px 5px 9px;
  border-radius: 7px;
  font-size: 11px;
}

html[data-theme="light"] {
  color-scheme: light;
  --bg: #f2f0e9;
  --panel: #fffdfa;
  --paper: #fffefb;
  --paper-muted: #f8f6ef;
  --ink: #242722;
  --ink-soft: #4e534c;
  --muted: #777b73;
  --line: #ddd9cf;
  --line-soft: #ebe8df;
  --accent: #234b38;
  --accent-hover: #193c2b;
  --accent-soft: #e7eee9;
  --accent-faint: #f1f5f1;
  --warn: #875e27;
  --danger: #8a4740;
  --shadow-paper: 0 1px 2px rgba(35,39,34,.04), 0 14px 38px rgba(35,39,34,.055);
}
html[data-theme="light"], html[data-theme="light"] body { background: var(--bg); color: var(--ink); }
html[data-theme="light"] ::selection { background: #cfded4; color: #173526; }
html[data-theme="light"] a { color: var(--accent); }

html[data-theme="light"] .sidebar { background: #1d2c24; border-right-color: rgba(255,255,255,.05); }
html[data-theme="light"] .brand-mark { background: #263a30; border-color: #718b7b; color: #eef3ef; }
html[data-theme="light"] .brand span, html[data-theme="light"] .sidebar-note { color: #9eaea3; }
html[data-theme="light"] .sidebar-note { border-top-color: #34473b; }
html[data-theme="light"] .nav-item { color: #bac8bf; }
html[data-theme="light"] .nav-item:hover { background: #293a31; color: #f0f4f1; }
html[data-theme="light"] .nav-item.active { background: #31483b; color: #fff; box-shadow: inset 2px 0 #9bb5a4; }

html[data-theme="light"] .eyebrow { color: #82867f; }
html[data-theme="light"] .dashboard-welcome p,
html[data-theme="light"] .dashboard-question .stem-preview,
html[data-theme="light"] .hero-card > p:not(.eyebrow),
html[data-theme="light"] .muted { color: var(--muted); }
html[data-theme="light"] .status-pill { color: #696a64; }
html[data-theme="light"] .status-pill.ok { color: #557a63; }
html[data-theme="light"] .connection-dot { background: #b7aaa0; }
html[data-theme="light"] .connection-state.ok .connection-dot { background: #557a63; }

html[data-theme="light"] input,
html[data-theme="light"] select,
html[data-theme="light"] textarea,
html[data-theme="light"] .custom-select-trigger {
  background: #fffefa;
  color: var(--ink);
  border-color: #d4d0c6;
}
html[data-theme="light"] input::placeholder, html[data-theme="light"] textarea::placeholder { color: #999a94; }
html[data-theme="light"] input:hover,
html[data-theme="light"] select:hover,
html[data-theme="light"] textarea:hover,
html[data-theme="light"] .custom-select-trigger:hover { background: #fff; border-color: #bbb8af; }
html[data-theme="light"] input:focus,
html[data-theme="light"] select:focus,
html[data-theme="light"] textarea:focus,
html[data-theme="light"] .custom-select-trigger[aria-expanded="true"] {
  background: #fff;
  border-color: #6f8878;
  box-shadow: 0 0 0 3px rgba(35,75,56,.08);
}
html[data-theme="light"] option { background: #fff; color: var(--ink); }
html[data-theme="light"] .custom-select-menu { background: #fffefb; border-color: #d5d1c7; box-shadow: 0 12px 30px rgba(35,39,34,.12); }
html[data-theme="light"] .custom-select-option { color: #454a44; }
html[data-theme="light"] .custom-select-option:hover,
html[data-theme="light"] .custom-select-option.active { background: #eef1ec; color: #203d2d; }

html[data-theme="light"] .primary { background: var(--accent); color: #fff; }
html[data-theme="light"] .primary:hover { background: var(--accent-hover); }
html[data-theme="light"] .ghost { background: transparent; border-color: #d8d5cc; color: #4b504a; }
html[data-theme="light"] .ghost:hover,
html[data-theme="light"] .text-button:hover,
html[data-theme="light"] .text-icon-button:hover { background: #eeece5; border-color: #cac6bc; color: var(--ink); }
html[data-theme="light"] .back { color: #60615c; }
html[data-theme="light"] .danger-button { background: #f2e4e1; color: var(--danger); }
html[data-theme="light"] .danger-button:hover,
html[data-theme="light"] .text-danger:hover { background: #f4e9e6; }
html[data-theme="light"] .danger-link, html[data-theme="light"] .text-danger { color: var(--danger); }

html[data-theme="light"] .dashboard-search .search-wrap input,
html[data-theme="light"] .hero-card,
html[data-theme="light"] .upload-card,
html[data-theme="light"] .kpi-card,
html[data-theme="light"] .dashboard-question,
html[data-theme="light"] .question-card,
html[data-theme="light"] .review-card,
html[data-theme="light"] .taxonomy-card,
html[data-theme="light"] .paper-editor { background: var(--paper); border-color: var(--line); }
html[data-theme="light"] .compact-kpis .kpi-card { background: transparent; }
html[data-theme="light"] .dashboard-question-grid { border-color: var(--line); background: var(--line); }
html[data-theme="light"] .dashboard-panel { background: transparent; }
html[data-theme="light"] .mini-row { border-color: var(--line); }
html[data-theme="light"] .mini-row:hover,
html[data-theme="light"] .source-row:hover,
html[data-theme="light"] .paper-list-item:hover { background: rgba(255,255,255,.4); }
html[data-theme="light"] .quick-tag { background: #fafaf6; border-color: #d8d7cf; color: #454741; }
html[data-theme="light"] .quick-tag:hover { background: var(--accent-faint); border-color: #91a499; color: var(--accent); }
html[data-theme="light"] .quick-tag.goal,
html[data-theme="light"] .taxonomy-pill,
html[data-theme="light"] .primary-tags .taxonomy-pill.goal { background: #e9efeb; border-color: #d1ddd5; color: #315743; }
html[data-theme="light"] .pipeline span { background: #f1f2ed; color: #555b55; }
html[data-theme="light"] .pipeline b { color: #afb2ab; }
html[data-theme="light"] .dropzone { background: var(--paper-muted); border-color: #b8bbb2; color: #5e635d; }
html[data-theme="light"] .upload-icon { background: var(--accent-soft); color: var(--accent); }

html[data-theme="light"] .source-row { border-color: var(--line); }
html[data-theme="light"] .doc-icon { background: #f9f8f3; border-color: #d5d4cc; color: var(--accent); }
html[data-theme="light"] .badge { background: #efeee8; color: #62635e; }
html[data-theme="light"] .badge.review { background: #f3eadc; color: var(--warn); }
html[data-theme="light"] .badge.published { background: var(--accent-soft); color: var(--accent); }
html[data-theme="light"] .badge.failed { background: #f4e3e3; color: var(--danger); }
html[data-theme="light"] .block, html[data-theme="light"] .draft { background: #fff; border-color: #dfded6; }

html[data-theme="light"] .question-filter-shell,
html[data-theme="light"] .question-toolbar { background: rgba(248,246,239,.96); border-color: rgba(222,221,213,.92); box-shadow: 0 10px 26px rgba(35,39,34,.07); }
html[data-theme="light"] .dimension-filter-panel { background: var(--paper); border-color: var(--line); }
html[data-theme="light"] .filter-toggle span { background: #dfe5df; color: var(--accent); }
html[data-theme="light"] .filter-chip { background: transparent; border-color: #d4d7d1; color: #474a45; }
html[data-theme="light"] .saved-filter { background: #fff; border-color: #d7d8d2; }
html[data-theme="light"] .saved-filter button { color: #4b4e48; }

html[data-theme="light"] .material-group { background: var(--paper); border-color: var(--line); }
html[data-theme="light"] .material-group-head { background: #fbfbf7; border-color: #e5e4dc; }
html[data-theme="light"] .question-unit { border-color: var(--line-soft); }
html[data-theme="light"] .question-unit:hover { background: transparent; }
html[data-theme="light"] .material { background: #f5f6f2; border-left-color: #b1bfb5; color: #555750; }
html[data-theme="light"] .rt-highlight { background: #f4eab9; color: inherit; }
html[data-theme="light"] .rich-table { background: rgba(255,255,255,.6); }
html[data-theme="light"] .rich-table th, html[data-theme="light"] .rich-table td { border-color: #dedbd1; }
html[data-theme="light"] .draft-rich-preview { background: #faf8f1; border-color: #dedbd1; }
html[data-theme="light"] .question-asset { background: #fff; border-color: #e3e2db; }

html[data-theme="light"] .answer-details { border-color: #dedbd1; }
html[data-theme="light"] .answer-details > summary { color: #53665a; }
html[data-theme="light"] .answer-box { background: #faf9f5; border-color: var(--line-soft); }
html[data-theme="light"] .answer-box h4 { color: #315743; }

html[data-theme="light"] .paper-list-item { color: var(--ink); }
html[data-theme="light"] .paper-list-item.active { background: #e9eee9; border-color: var(--accent); }
html[data-theme="light"] .paper-title-input { color: var(--ink); }
html[data-theme="light"] .paper-item-order b,
html[data-theme="light"] .mini { background: #eef0ea; border-color: #d6d5cd; color: #555; }
html[data-theme="light"] .structure-stat,
html[data-theme="light"] .structure-block { background: #fff; border-color: #e3e2db; }
html[data-theme="light"] .structure-block span { background: #f1f2ed; color: #555; }
html[data-theme="light"] .undo-bar { background: #f5eddc; color: #6d542e; }
html[data-theme="light"] .paper-outline,
html[data-theme="light"] .paper-inspector { background: #f7f5ef; border-color: #ddd9cf; }
html[data-theme="light"] .paper-outline-group { background: #fff; border-color: #e4e3dd; }
html[data-theme="light"] .paper-outline-group-head { background: #eeece5; }
html[data-theme="light"] .paper-outline-item.selected { background: #e7ede8; box-shadow: inset 2px 0 var(--accent); }

html[data-theme="light"] .paper-preview,
html[data-theme="light"] .question-reading-material,
html[data-theme="light"] .question-reading-question { background: #fff; color: var(--ink); border-color: #dad6cc; box-shadow: var(--shadow-paper); }
html[data-theme="light"] .paper-preview .material,
html[data-theme="light"] .question-reading-material .material,
html[data-theme="light"] .reading-text { color: #2c302b; }
html[data-theme="light"] .question-detail-dialog { background: #f4f1e9; color: var(--ink); border-color: var(--line); }
html[data-theme="light"] .question-detail-dialog::backdrop { background: rgba(22,27,23,.24); }
html[data-theme="light"] .question-detail-head { background: #f4f1e9; border-color: var(--line); }
html[data-theme="light"] .question-detail-content { background: #f2f0e9; }

html[data-theme="light"] .basket-backdrop { background: rgba(25,32,27,.22); }
html[data-theme="light"] .basket-drawer { background: #f7f4ed; border-color: var(--line); box-shadow: -18px 0 50px rgba(28,36,31,.12); }
html[data-theme="light"] .basket-summary { background: #e5ede7; color: var(--accent); }
html[data-theme="light"] .basket-group { background: var(--paper); border-color: var(--line); }
html[data-theme="light"] .basket-group-head { background: #f2f0e9; }
html[data-theme="light"] .basket-trigger { background: var(--accent); box-shadow: 0 8px 24px rgba(31,40,34,.18); }
html[data-theme="light"] .basket-trigger strong { background: #fff; color: var(--accent); }

html[data-theme="light"] .question-number { background: #faf9f4; border-color: #d7d4cb; color: #3d4f44; }
html[data-theme="light"] .question-unit .stem,
html[data-theme="light"] .question-card .stem,
html[data-theme="light"] .detail-stem { color: #292d28; }
html[data-theme="light"] .question-source-line { color: #80847d; }
html[data-theme="light"] .question-source-line strong { color: #60665f; }
html[data-theme="light"] .primary-meta { color: #6d736c; }
html[data-theme="light"] .primary-meta-item + .primary-meta-item::before { color: #b1b2ac; }
html[data-theme="light"] .primary-meta-item small { color: #969a93; }
html[data-theme="light"] .primary-meta-item b { color: #5e645d; }
html[data-theme="light"] .primary-meta-item.training_goal b { color: #365944; }
html[data-theme="light"] .question-supplement { background: #fbf6ed; border-color: #e1d9ca; }
html[data-theme="light"] .supplement-label { color: #76572f; }
html[data-theme="light"] .more-tags > summary,
html[data-theme="light"] .answer-details > summary,
html[data-theme="light"] .material-details > summary { color: #53665a; }

html[data-theme="light"] .training-point-pill { background: #f3f6f2; color: #2f5740; border-color: #d8ddd7; }
html[data-theme="light"] .training-point-pill.primary { background: #eaf1ec; color: #244b34; border-color: #c8d5cc; }
html[data-theme="light"] .training-point-pill.secondary { background: #f7f6f1; color: #626760; border-color: #e1dfd7; }
html[data-theme="light"] .semantic-role-block > strong { color: #656a64; }
html[data-theme="light"] .semantic-requirement-details { border-color: #dddeda; }
html[data-theme="light"] .semantic-requirement-details > summary { color: #52665a; }
html[data-theme="light"] .semantic-requirement { background: #fffefb; border-color: #e2e3de; }
html[data-theme="light"] .semantic-requirement p { color: #555b55; }

html[data-theme="light"] .taxonomy-arrow span,
html[data-theme="light"] .semantic-change-from,
html[data-theme="light"] .semantic-review-actions,
html[data-theme="light"] .candidate-card,
html[data-theme="light"] .candidate-card.direct,
html[data-theme="light"] .candidate-retrieval-note,
html[data-theme="light"] .semantic-diagnostics,
html[data-theme="light"] .training-tree-family,
html[data-theme="light"] .training-tree-node.depth-0 > .training-tree-point { background: #faf9f5; border-color: #dedcd4; color: #565b55; }
html[data-theme="light"] .candidate-card.direct { background: #fbfdfb; border-color: #c9d6cd; }
html[data-theme="light"] .candidate-relation { background: #efeee8; color: #686b66; }
html[data-theme="light"] .candidate-relation.direct { background: #e5eee8; color: #315a41; }
html[data-theme="light"] .candidate-retrieval-note { background: #edf2ee; color: #45604f; }
html[data-theme="light"] .training-tree-children { border-color: #dddcd5; }
html[data-theme="light"] .training-tree-point { color: #3f443f; }
html[data-theme="light"] .training-tree-point:hover { background: #f0f3ee; }
html[data-theme="light"] .training-tree-point small { color: #838881; }
html[data-theme="light"] .training-tree-point > b { color: #758078; }
html[data-theme="light"] .training-tree-node.depth-0 > .training-tree-point strong { color: #315743; }
html[data-theme="light"] .training-view-switch { background: #ecebe5; border-color: #dedbd2; }
html[data-theme="light"] .training-view-button { color: #6e746d; }
html[data-theme="light"] .training-view-button.active { background: #fffefb; color: #294d37; box-shadow: 0 1px 4px rgba(34,42,37,.08); }

html[data-theme="light"] .inline-error { background: #f8ece9; border-color: #e2c7c2; color: #7e413a; }
html[data-theme="light"] .skeleton-row,
html[data-theme="light"] .skeleton-paper,
html[data-theme="light"] .skeleton-column,
html[data-theme="light"] .skeleton-sheet { background: #ebe8e0; }
html[data-theme="light"] .skeleton-row span,
html[data-theme="light"] .skeleton-row i,
html[data-theme="light"] .skeleton-line { background: #ddd9d0; }
html[data-theme="light"] .skeleton-paper { border-color: #e0ddd5; }
html[data-theme="light"] .skeleton-row::after,
html[data-theme="light"] .skeleton-paper::after,
html[data-theme="light"] .skeleton-column::after,
html[data-theme="light"] .skeleton-sheet::after { background: linear-gradient(90deg, transparent, rgba(255,255,255,.55), transparent); }

@media (max-width: 900px) {
  .theme-control > span { display: none; }
  .theme-control select { width: 104px; min-height: 34px; }
  html[data-theme="light"] .sidebar { background: rgba(31,40,34,.98); border-top-color: rgba(255,255,255,.08); }
  html[data-theme="light"] .nav-item.active { background: rgba(255,255,255,.09); box-shadow: none; }
}

@media (max-width: 560px) {
  .theme-control select { width: 94px; padding-left: 7px; font-size: 10px; }
}

/* ──────────────────────────────────────────────────────────────
   Mobile polish V3
   根据真实触屏截图收紧辅助控件、横滑提示与组卷工作区层级。
   ────────────────────────────────────────────────────────────── */
.quick-tags-scroll { position: relative; min-width: 0; }
.quick-tags-cue { display: none; }
.paper-outline-stem { color: #aeb8b1; }
.paper-outline-item.selected {
  background: rgba(111,159,130,.075);
  box-shadow: inset 2px 0 #6f9f82;
}
.paper-outline-item.selected .paper-outline-stem { color: #c7d0ca; }
.paper-list-item.active { background: transparent; }

html[data-theme="light"] .paper-outline-stem { color: #4e504a; }
html[data-theme="light"] .paper-outline-item.selected {
  background: rgba(35,75,56,.055);
  box-shadow: inset 2px 0 var(--accent);
}
html[data-theme="light"] .paper-outline-item.selected .paper-outline-stem { color: #3f443f; }
html[data-theme="light"] .paper-list-item.active { background: transparent; }

@media (max-width: 900px) {
  .topbar { gap: 8px; }
  .topbar-title {
    width: auto;
    flex: 1 1 auto;
    justify-content: flex-start;
    gap: 8px;
  }
  .topbar-aux {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    flex: 0 0 auto;
  }
  .connection-state {
    flex: 0 0 auto;
    gap: 0;
    width: 24px;
    height: 30px;
    justify-content: center;
    border-radius: 8px;
  }
  .connection-state > span:last-child { display: none; }
  .connection-dot { width: 6px; height: 6px; }
  .theme-control { flex: 0 0 auto; }
  .theme-control select {
    width: 92px;
    min-height: 32px;
    padding: 4px 22px 4px 6px;
    border-color: transparent;
    background: transparent;
    color: var(--muted);
    box-shadow: none;
  }
  .theme-control select:hover,
  .theme-control select:focus {
    background: rgba(255,255,255,.035);
    border-color: var(--line);
    box-shadow: none;
  }
  html[data-theme="light"] .theme-control select { background: transparent; border-color: transparent; }
  html[data-theme="light"] .theme-control select:hover,
  html[data-theme="light"] .theme-control select:focus { background: rgba(35,75,56,.045); border-color: var(--line); }
  .theme-control .custom-select { width: auto; min-width: 76px; }
  .theme-control .custom-select-trigger {
    min-width: 76px;
    min-height: 32px;
    padding: 4px 22px 4px 7px;
    background: transparent;
    border-color: transparent;
    color: var(--muted);
    box-shadow: none;
  }
  .theme-control .custom-select-trigger:hover,
  .theme-control .custom-select-trigger[aria-expanded="true"] {
    background: rgba(255,255,255,.035);
    border-color: var(--line);
    box-shadow: none;
  }
  html[data-theme="light"] .theme-control .custom-select-trigger { background: transparent; border-color: transparent; color: var(--muted); }
  html[data-theme="light"] .theme-control .custom-select-trigger:hover,
  html[data-theme="light"] .theme-control .custom-select-trigger[aria-expanded="true"] { background: rgba(35,75,56,.045); border-color: var(--line); }

  .quick-tags-scroll.is-scrollable {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 30px;
    align-items: stretch;
  }
  .quick-tags-scroll.is-scrollable .quick-tags {
    width: auto;
    min-width: 0;
  }
  .quick-tags-scroll.is-scrollable .quick-tags-cue {
    display: grid;
    position: static;
    width: 30px;
    height: auto;
    place-items: center;
    padding: 0 0 6px;
    pointer-events: none;
    color: #8fa89a;
    font-size: 22px;
    font-weight: 300;
    background: transparent;
    opacity: 0;
  }
  .quick-tags-scroll.can-scroll-right .quick-tags-cue {
    opacity: .85 !important;
  }
  html[data-theme="light"] .quick-tags-scroll.is-scrollable .quick-tags-cue { color: #6d8174; }

  /* 手机上的组卷像连续文档，不再“框套框”。 */
  #view-papers .paper-workspace { gap: 0; }
  #view-papers .paper-outline,
  #view-papers .paper-preview,
  #view-papers .paper-inspector {
    position: static;
    max-height: none;
    border-left: 0;
    border-right: 0;
    border-radius: 0;
    box-shadow: none;
    background: transparent;
  }
  #view-papers .paper-outline {
    padding: 8px 0 18px;
    border-top: 0;
    border-bottom: 1px solid var(--line);
  }
  #view-papers .paper-preview {
    min-height: 0;
    padding: 24px 0 30px;
    border-top: 0;
    border-bottom: 1px solid var(--line);
    color: var(--ink);
  }
  #view-papers .paper-inspector {
    padding: 22px 0 8px;
    border: 0;
  }
  html[data-theme="light"] #view-papers .paper-outline,
  html[data-theme="light"] #view-papers .paper-preview,
  html[data-theme="light"] #view-papers .paper-inspector {
    background: transparent;
    box-shadow: none;
  }
  #view-papers .paper-outline-group { border-color: var(--line); }
  #view-papers .paper-outline-group-head { background: rgba(255,255,255,.025); }
  html[data-theme="light"] #view-papers .paper-outline-group-head { background: rgba(35,75,56,.025); }
  #view-papers .paper-outline-item.selected { background: rgba(111,159,130,.065); }
  html[data-theme="light"] #view-papers .paper-outline-item.selected { background: rgba(35,75,56,.045); }

  /* 空篮不占屏幕；有题时只保留一个紧凑入口。 */
  .basket-trigger.empty { display: none; }
  .basket-trigger:not(.empty) {
    min-width: 50px;
    min-height: 44px;
    padding: 8px 9px;
    border-radius: 12px;
    justify-content: center;
    gap: 5px;
  }
  .basket-trigger:not(.empty) > span:not(.button-icon) { display: none; }
  .basket-trigger:not(.empty) strong { min-width: 19px; height: 19px; padding: 0 4px; }
  main { padding-bottom: calc(106px + env(safe-area-inset-bottom)); }
}

@media (max-width: 560px) {
  .theme-control select { width: 86px; font-size: 10px; }
  .quick-tags-scroll.is-scrollable { grid-template-columns: minmax(0, 1fr) 24px; }
  .quick-tags-scroll.is-scrollable .quick-tags-cue { width: 24px; font-size: 20px; }
}

/* Mobile polish V4：标题保持纯净，辅助信息提亮但不抢内容。 */
[hidden] { display: none !important; }
.topbar-aux { display: inline-flex; align-items: center; gap: 10px; }
html[data-theme="dark"] .eyebrow { color: #89968e; }
html[data-theme="dark"] .dashboard-search > label,
html[data-theme="dark"] .kpi-card span,
html[data-theme="dark"] .meta,
html[data-theme="dark"] .save-status { color: #909c94; }
html[data-theme="dark"] .dashboard-welcome p,
html[data-theme="dark"] .empty-state,
html[data-theme="dark"] .empty-state p { color: #98a39c; }

/* Student workspace V2: 通用站以学生为一级上下文。 */
html[data-site-profile="general"] .workspace-sidebar {
  display: flex;
  flex: 1 1 auto;
  min-height: 0;
  flex-direction: column;
  gap: 12px;
}
html[data-site-profile="general"] .student-workspace-switch {
  width: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2px 8px;
  padding: 11px 12px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 11px;
  background: rgba(255,255,255,.055);
  color: #eef4ef;
  text-align: left;
}
html[data-site-profile="general"] .student-workspace-switch span {
  grid-column: 1 / -1;
  color: #9eaaa2;
  font-size: 10px;
  letter-spacing: .06em;
}
html[data-site-profile="general"] .student-workspace-switch strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 14px; }
html[data-site-profile="general"] .student-workspace-switch b { color: #93a198; font-weight: 500; }
html[data-site-profile="general"] .general-workspace-nav {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3px;
}
html[data-site-profile="general"] .teacher-resource-nav {
  display: grid;
  gap: 2px;
  padding-top: 12px;
  border-top: 1px solid rgba(255,255,255,.09);
}
html[data-site-profile="general"] .teacher-resource-nav > span {
  padding: 2px 10px 6px;
  color: #79877e;
  font-size: 10px;
  letter-spacing: .08em;
}
html[data-site-profile="general"] .teacher-resource-nav button {
  width: 100%;
  min-height: 32px;
  padding: 6px 10px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: #aab6ae;
  text-align: left;
  font: inherit;
  font-size: 12px;
  cursor: pointer;
}
html[data-site-profile="general"] .teacher-resource-nav button:hover { background: rgba(255,255,255,.06); color: #edf3ef; }

.topbar-student-switch {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
  color: var(--ink);
  font: inherit;
  cursor: pointer;
}
.topbar-student-switch span { color: var(--muted); font-size: 10px; }
.topbar-student-switch strong { max-width: 130px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 12px; }

.student-mistake-workspace,
.student-weakness-list,
.student-review-list { min-height: 240px; }
.workspace-subject-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}
.workspace-subject-strip > span {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 7px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 12px;
}
.workspace-subject-strip b { color: var(--ink); font-size: 15px; }
.workspace-mistake-grid { display: grid; gap: 10px; }
.workspace-mistake-card,
.review-queue-card {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
}
.workspace-mistake-card h3,
.review-queue-card h3 { margin: 9px 0; font-size: 14px; line-height: 1.7; font-weight: 580; }
.workspace-card-meta,
.workspace-card-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
  color: var(--muted);
  font-size: 11px;
}
.workspace-card-meta b { color: #c58980; }
.workspace-card-actions { display: flex; align-items: center; gap: 10px; margin-top: 12px; }

.student-weakness-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}
.weakness-summary-card {
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
}
.weakness-summary-card span { display: block; color: var(--muted); font-size: 11px; }
.weakness-summary-card strong { display: block; margin-top: 6px; font-size: 22px; }
.student-weakness-list { display: grid; gap: 5px; }
.weakness-row {
  width: 100%;
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  padding: 12px 10px;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
}
.weakness-row:hover { background: var(--paper-muted); }
.weakness-rank { color: var(--muted); font-size: 12px; text-align: center; }
.weakness-main { display: grid; gap: 4px; }
.weakness-main small { color: var(--muted); font-size: 11px; }
.weakness-main i { height: 3px; overflow: hidden; border-radius: 999px; background: var(--line); }
.weakness-main i b { display: block; height: 100%; border-radius: inherit; background: var(--accent); }
.weakness-mastery { color: var(--muted); font-size: 12px; }

.student-review-list { display: grid; gap: 10px; }
.review-queue-card {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
}
.review-queue-order {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 750;
}
.review-queue-body p { margin: 0; color: var(--muted); font-size: 11px; }
.review-queue-actions { display: grid; gap: 6px; min-width: 110px; }
.review-queue-actions button { width: 100%; }
.student-subject-tag b { margin-right: 5px; }
.mobile-resource-nav { display: none; }

@media (max-width: 900px) {
  html[data-site-profile="general"] .workspace-sidebar { display: contents !important; }
  html[data-site-profile="general"] .student-workspace-switch,
  html[data-site-profile="general"] .teacher-resource-nav,
  html[data-site-profile="general"] .sidebar-note { display: none !important; }
  html[data-site-profile="general"] .general-workspace-nav {
    display: grid !important;
    grid-template-columns: repeat(5, minmax(0, 1fr)) !important;
    gap: 2px !important;
    width: 100%;
    overflow: visible !important;
  }
  html[data-site-profile="general"] .general-workspace-nav .nav-item { min-width: 0; }
  html[data-site-profile="general"] .mobile-resource-nav {
    display: flex;
    align-items: center;
    gap: 6px;
    margin: 0 0 12px;
    overflow-x: auto;
    scrollbar-width: none;
  }
  html[data-site-profile="general"] .mobile-resource-nav::-webkit-scrollbar { display: none; }
  html[data-site-profile="general"] .mobile-resource-nav > span { flex: 0 0 auto; color: var(--muted); font-size: 10px; }
  html[data-site-profile="general"] .mobile-resource-nav button { flex: 0 0 auto; padding: 6px 9px; border: 1px solid var(--line); border-radius: 999px; background: transparent; color: var(--muted); font: inherit; font-size: 11px; }
  .topbar-student-switch span { display: none; }
  .topbar-student-switch strong { max-width: 88px; }
}

@media (max-width: 560px) {
  .topbar-student-switch { min-height: 30px; padding: 4px 8px; }
  .topbar-student-switch strong { max-width: 70px; font-size: 11px; }
  .student-weakness-summary { grid-template-columns: 1fr; gap: 6px; }
  .weakness-summary-card { display: flex; align-items: center; justify-content: space-between; padding: 10px 12px; }
  .weakness-summary-card strong { margin: 0; font-size: 17px; }
  .workspace-mistake-card { padding: 14px 0; border-left: 0; border-right: 0; border-radius: 0; background: transparent; }
  .review-queue-card { grid-template-columns: 30px minmax(0, 1fr); padding: 14px 0; border-left: 0; border-right: 0; border-radius: 0; background: transparent; }
  .review-queue-actions { grid-column: 2; grid-template-columns: 1fr 1fr; min-width: 0; }
  .review-queue-actions .review-seen { grid-column: 1 / -1; }
  .weakness-row { grid-template-columns: 24px minmax(0, 1fr) auto; padding-inline: 0; }
}

/* 学习地图：整卷证据驱动的教师诊断主视图。 */
html[data-site-profile="general"] .source-scope-fields {
  grid-template-columns: minmax(190px, 1.6fr) repeat(4, minmax(118px, .75fr));
}

.learning-map-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(260px, .65fr);
  gap: 16px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--panel);
}
.learning-map-hero h2 {
  max-width: 760px;
  margin: 8px 0 10px;
  font-size: 32px;
  line-height: 1.18;
  letter-spacing: -.8px;
}
.learning-map-hero p:not(.eyebrow) {
  max-width: 760px;
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.75;
}
.learning-map-principle {
  display: grid;
  align-content: center;
  gap: 7px;
  padding: 18px;
  border-radius: 16px;
  background: var(--accent-soft);
}
.learning-map-principle strong { margin-top: 8px; font-size: 13px; }
.learning-map-principle strong:first-child { margin-top: 0; }
.learning-map-principle span { color: var(--muted); font-size: 12px; line-height: 1.6; }

.learning-map-scopebar {
  display: grid;
  grid-template-columns: repeat(4, minmax(130px, 1fr)) auto;
  gap: 10px;
  align-items: end;
  margin: 16px 0 10px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel);
}
.learning-map-scope-note {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  padding: 10px 2px 15px;
  color: var(--muted);
  font-size: 12px;
}
.learning-map-scope-note strong { color: var(--ink); font-size: 14px; }
.learning-map-kpis {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}
.learning-map-kpis > div {
  display: grid;
  gap: 7px;
  min-height: 88px;
  padding: 15px 16px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: var(--panel);
}
.learning-map-kpis span { color: var(--muted); font-size: 11px; }
.learning-map-kpis strong { align-self: end; font-size: 25px; }
.learning-map-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 310px;
  gap: 14px;
  align-items: start;
  margin-top: 16px;
}
.learning-map-main-panel,
.learning-map-history-panel {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel);
}
.learning-map-history-panel { position: sticky; top: 18px; }
.learning-map-node-list { display: grid; gap: 12px; }
.learning-map-family-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: var(--paper-muted);
}
.learning-map-family-head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 15px 16px;
  border-bottom: 1px solid var(--line);
}
.learning-map-family-head span { color: var(--accent); font-size: 10px; font-weight: 750; letter-spacing: 1px; }
.learning-map-family-head h3 { margin: 4px 0 5px; font-size: 16px; }
.learning-map-family-head p { max-width: 760px; margin: 0; color: var(--muted); font-size: 11px; line-height: 1.55; }
.learning-map-family-head > b { align-self: center; white-space: nowrap; color: var(--muted); font-size: 11px; }
.learning-map-leaves { display: grid; }
.learning-map-leaf {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 72px;
  gap: 16px;
  width: 100%;
  padding: 13px 16px;
  border: 0;
  border-top: 1px solid #ecebe4;
  background: transparent;
  color: var(--ink);
  text-align: left;
}
.learning-map-leaf:first-child { border-top: 0; }
.learning-map-leaf:hover { background: var(--accent-soft); }
.learning-map-leaf > span { display: grid; gap: 4px; min-width: 0; }
.learning-map-leaf strong { font-size: 13px; }
.learning-map-leaf small { color: var(--muted); font-size: 10px; line-height: 1.5; }
.learning-map-leaf em { margin-top: 3px; color: var(--accent); font-size: 10px; font-style: normal; line-height: 1.5; }
.learning-map-leaf > b { align-self: center; color: var(--ink); font-size: 13px; text-align: right; }
.learning-map-leaf > b small { font-weight: 500; }
.learning-map-version-history { display: grid; gap: 8px; }
.learning-map-version-row {
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--paper-muted);
}
.learning-map-version-row.current { border-color: #8da091; background: var(--accent-soft); }
.learning-map-version-row > div { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.learning-map-version-row > div span { color: var(--accent); font-size: 10px; }
.learning-map-version-row p { margin: 7px 0; color: var(--ink); font-size: 11px; line-height: 1.5; }
.learning-map-version-row small { color: var(--muted); font-size: 9px; line-height: 1.5; }
.semantic-map-details {
  margin-top: 18px;
  padding: 0 18px 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel);
}
.semantic-map-details > summary { cursor: pointer; padding: 17px 0; color: var(--accent); font-size: 12px; font-weight: 700; }
.semantic-map-details[open] > summary { border-bottom: 1px solid var(--line); }

.question-signal-grid {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(0, .8fr) minmax(0, 1.4fr);
  gap: 9px;
  margin-top: 12px;
}
.question-signal-grid > article {
  min-height: 108px;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--paper-muted);
}
.question-signal-grid > article > span { display: block; margin-bottom: 9px; color: var(--muted); font-size: 10px; }
.question-signal-grid > article > strong { font-size: 13px; line-height: 1.6; }
.question-signal-grid .signal-output p { margin: 0; font-size: 12px; line-height: 1.65; }
.question-signal-grid .signal-output p + p { margin-top: 7px; padding-top: 7px; border-top: 1px dashed var(--line); }

.source-scope-editor {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(220px, .8fr) minmax(0, 1.4fr) auto;
  gap: 14px;
  align-items: end;
  margin-top: -2px;
  padding: 14px;
  border-top: 1px solid var(--line);
  border-radius: 12px;
  background: var(--paper-muted);
}
.source-scope-editor-copy { display: grid; gap: 4px; align-self: center; }
.source-scope-editor-copy strong { font-size: 12px; }
.source-scope-editor-copy span { color: var(--muted); font-size: 10px; line-height: 1.55; }
.source-scope-editor-fields { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.source-scope-editor .row-actions { align-self: end; }

@media (max-width: 900px) {
  html[data-site-profile="general"] .general-workspace-nav { grid-template-columns: repeat(5, minmax(0, 1fr)) !important; }
  html[data-site-profile="general"] .source-scope-fields { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  html[data-site-profile="general"] .source-scope-fields #upload-subject-field { grid-column: auto; }
  .learning-map-hero { grid-template-columns: 1fr; }
  .learning-map-scopebar { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .learning-map-scopebar > button { grid-column: 1 / -1; }
  .learning-map-kpis { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .learning-map-layout { grid-template-columns: 1fr; }
  .learning-map-history-panel { position: static; }
  .question-signal-grid { grid-template-columns: 1fr; }
  .source-scope-editor { grid-template-columns: 1fr; }
  .source-scope-editor-fields { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 560px) {
  html[data-site-profile="general"] .source-scope-fields { grid-template-columns: 1fr; }
  .learning-map-hero { padding: 20px; }
  .learning-map-hero h2 { font-size: 26px; }
  .learning-map-scopebar { grid-template-columns: 1fr; }
  .learning-map-scope-note { align-items: flex-start; flex-direction: column; gap: 5px; }
  .learning-map-kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .learning-map-leaf { grid-template-columns: minmax(0, 1fr) 58px; padding: 12px; }
  .source-scope-editor-fields { grid-template-columns: 1fr; }
  .source-scope-editor .row-actions { justify-content: stretch; }
  .source-scope-editor .row-actions button { flex: 1; }
}

/* 学生档案：以训练证据和地图投影替代“错题数 + 掌握度”。 */
.student-diagnosis-kpis {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin: 14px 0;
}
.student-diagnosis-kpis > div {
  display: grid;
  gap: 6px;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--paper-muted);
}
.student-diagnosis-kpis span { color: var(--muted); font-size: 10px; }
.student-diagnosis-kpis strong { font-size: 22px; }
.student-stage-form {
  display: grid;
  grid-template-columns: minmax(220px, 1.25fr) repeat(3, minmax(130px, .72fr)) auto;
  gap: 9px;
  align-items: end;
  margin-top: 16px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: var(--paper-muted);
}
.student-stage-form > div { display: grid; gap: 4px; align-self: center; }
.student-stage-form > div strong { font-size: 12px; }
.student-stage-form > div span { color: var(--muted); font-size: 10px; line-height: 1.55; }
.student-map-projection-section,
.student-training-directions-section,
.student-evidence-full { margin-top: 18px; }
.student-map-projection-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; }
.student-map-projection-card {
  display: grid;
  gap: 9px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
}
.student-map-projection-card.missing { background: var(--paper-muted); }
.student-map-projection-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.student-map-projection-head strong { font-size: 13px; }
.student-map-projection-head b { color: var(--accent); font-size: 10px; }
.student-map-projection-head > span { display: inline-flex; align-items: center; gap: 7px; }
.student-map-projection-head .text-button { padding: 0; font-size: 9px; }
.student-map-projection-card > p { margin: 0; color: var(--muted); font-size: 10px; line-height: 1.55; }
.student-map-state-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 6px; }
.student-map-state-grid span { display: grid; gap: 2px; padding: 8px; border-radius: 10px; background: var(--paper-muted); color: var(--muted); font-size: 9px; }
.student-map-state-grid b { color: var(--ink); font-size: 16px; }
.student-training-directions { display: grid; gap: 9px; }
.student-direction-card {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 11px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
}
.student-direction-rank {
  display: grid;
  place-items: center;
  width: 27px;
  height: 27px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 11px;
  font-weight: 800;
}
.student-direction-body { min-width: 0; display: grid; gap: 6px; }
.student-direction-head { display: flex; flex-wrap: wrap; gap: 6px; color: var(--muted); font-size: 9px; }
.student-direction-head b { padding: 2px 6px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); }
.student-direction-body h4 { margin: 0; font-size: 14px; }
.student-direction-body > p { margin: 0; color: var(--muted); font-size: 10px; line-height: 1.55; }
.student-direction-body > em { color: var(--ink); font-size: 10px; font-style: normal; line-height: 1.6; }
.student-direction-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 2px; color: var(--muted); font-size: 9px; }
.student-direction-candidates { display: grid; gap: 8px; margin-top: 8px; padding-top: 10px; border-top: 1px dashed var(--line); }
.student-candidate-summary { display: grid; gap: 3px; }
.student-candidate-summary strong { font-size: 11px; }
.student-candidate-summary span,
.student-candidate-summary small { color: var(--muted); font-size: 9px; line-height: 1.5; }
.student-candidate-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 7px; }
.student-candidate-card { display: grid; gap: 6px; padding: 10px; border: 1px solid var(--line); border-radius: 11px; background: var(--paper-muted); }
.student-candidate-card > strong { font-size: 10px; line-height: 1.55; }
.student-candidate-card > small { color: var(--muted); font-size: 9px; }
.student-candidate-meta { display: flex; flex-wrap: wrap; gap: 5px; align-items: center; color: var(--muted); font-size: 8px; }
.student-candidate-meta b { padding: 2px 5px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); }
.student-candidate-meta i { padding: 2px 5px; border-radius: 999px; background: var(--panel); color: var(--muted); font-style: normal; }
.student-diagnosis-layout { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(300px, .9fr); gap: 12px; }
.student-diagnosis-panel,
.student-evidence-panel { padding: 15px; border: 1px solid var(--line); border-radius: 15px; background: var(--panel); }
.student-diagnosis-points,
.student-evidence-list { display: grid; gap: 8px; }
.student-diagnosis-points article {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 10px;
  padding: 11px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--paper-muted);
}
.student-diagnosis-rank {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 10px;
  font-weight: 800;
}
.student-diagnosis-points article > div { display: grid; gap: 4px; }
.student-diagnosis-points strong { font-size: 12px; }
.student-diagnosis-points small { color: var(--muted); font-size: 10px; }
.student-diagnosis-points p { margin: 2px 0 0; color: var(--accent); font-size: 10px; }
.student-diagnosis-points em { margin-top: 2px; color: var(--muted); font-size: 9px; font-style: normal; line-height: 1.55; }
.student-evidence-list article { display: grid; gap: 6px; padding: 11px; border: 1px solid var(--line); border-radius: 12px; background: var(--paper-muted); }
.student-evidence-list article > strong { font-size: 11px; line-height: 1.55; }
.student-evidence-list article > p { margin: 0; color: var(--muted); font-size: 10px; }
.student-evidence-list article > small { color: var(--accent); font-size: 9px; line-height: 1.5; }
.student-evidence-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; color: var(--muted); font-size: 9px; }
.student-evidence-meta b { padding: 2px 6px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); font-size: 9px; }
.student-evidence-meta .outcome-wrong { background: rgba(146, 71, 65, .12); color: #8b4e49; }
.student-evidence-meta .outcome-partial { background: rgba(151, 112, 43, .13); color: #84642e; }
.student-evidence-meta .outcome-correct { background: rgba(61, 111, 76, .13); color: #496f53; }

.student-evidence-dialog {
  width: min(680px, calc(100vw - 30px));
  max-height: calc(100vh - 36px);
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--panel);
  color: var(--ink);
  box-shadow: var(--shadow);
}
.student-evidence-dialog::backdrop { background: rgba(23, 29, 25, .42); backdrop-filter: blur(3px); }
.student-evidence-dialog form { display: grid; gap: 14px; padding: 20px; overflow: auto; }
.student-evidence-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.student-evidence-head h2 { margin: 5px 0 5px; font-size: 21px; }
.student-evidence-head p { margin: 0; max-width: 520px; font-size: 11px; line-height: 1.55; }
.student-evidence-outcomes { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 7px; }
.student-evidence-outcomes label { position: relative; cursor: pointer; }
.student-evidence-outcomes input { position: absolute; opacity: 0; pointer-events: none; }
.student-evidence-outcomes span {
  display: grid;
  place-items: center;
  min-height: 42px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--paper-muted);
  font-size: 11px;
  font-weight: 650;
}
.student-evidence-outcomes input:checked + span { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }
.student-evidence-score-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 9px; }
.student-evidence-dialog textarea { width: 100%; resize: vertical; }
.student-evidence-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 3px; }

.learning-map-proposal-panel {
  margin-top: 18px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel);
}
.learning-map-proposal-panel .section-head { margin-top: 0; align-items: flex-start; }
.learning-map-proposal-panel .section-head p.muted { max-width: 760px; margin: 6px 0 0; font-size: 11px; line-height: 1.65; }
.learning-map-proposals { display: grid; gap: 9px; }
.learning-map-proposal-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--paper-muted);
}
.learning-map-proposal-main { min-width: 0; }
.learning-map-proposal-main h3 { margin: 7px 0 5px; font-size: 13px; }
.learning-map-proposal-main p { margin: 0; font-size: 11px; line-height: 1.65; color: var(--ink); }
.learning-map-proposal-main > small { display: block; margin-top: 5px; color: var(--muted); font-size: 10px; line-height: 1.55; }
.learning-map-proposal-actions { display: flex; align-items: center; gap: 7px; }

.paper-training-dialog {
  width: min(1080px, calc(100vw - 28px));
  max-height: calc(100vh - 28px);
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--panel);
  color: var(--ink);
  box-shadow: var(--shadow);
}
.paper-training-dialog::backdrop { background: rgba(23, 29, 25, .42); backdrop-filter: blur(3px); }

/* 首页只做一件事：让老师愿意停留两秒，再从容地进入真正的工作页。 */
#view-dashboard { padding-bottom: 28px; }
.home-cover {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, .92fr);
  gap: 34px;
  min-height: 430px;
  padding: 48px 50px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 28px;
  background:
    radial-gradient(circle at 82% 15%, rgba(104, 143, 119, .16), transparent 34%),
    radial-gradient(circle at 18% 100%, rgba(121, 107, 79, .10), transparent 36%),
    var(--panel);
}
.home-cover::after {
  content: "";
  position: absolute;
  inset: auto -12% -46% 38%;
  height: 72%;
  border-radius: 50%;
  background: rgba(108, 137, 119, .055);
  filter: blur(1px);
  pointer-events: none;
}
.home-cover-copy {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 720px;
}
.home-kicker {
  margin: 0 0 22px;
  color: #7f9185;
  font-size: 10px;
  font-weight: 720;
  letter-spacing: .19em;
}
.home-cover h2 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(34px, 4.2vw, 58px);
  font-weight: 560;
  line-height: 1.12;
  letter-spacing: -.055em;
  text-wrap: balance;
}
.home-cover-copy > p:not(.home-kicker) {
  max-width: 610px;
  margin: 25px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.9;
}
.home-cover-actions { display: flex; gap: 9px; margin-top: 30px; }
.home-cover-actions button { min-height: 42px; padding-inline: 16px; }

.home-atlas-art {
  position: relative;
  min-height: 310px;
  align-self: stretch;
  color: #78917f;
}
.home-atlas-art svg { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.home-atlas-art path {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.2;
  stroke-linecap: round;
  opacity: .45;
}
.atlas-ring {
  position: absolute;
  border: 1px solid rgba(132, 161, 142, .24);
  border-radius: 50%;
}
.ring-one { width: 250px; height: 250px; top: 26px; right: 22px; }
.ring-two { width: 166px; height: 166px; top: 69px; right: 64px; }
.ring-three { width: 82px; height: 82px; top: 111px; right: 106px; }
.atlas-node {
  position: absolute;
  z-index: 2;
  width: 9px;
  height: 9px;
  border: 2px solid var(--panel);
  border-radius: 50%;
  background: #8daf98;
  box-shadow: 0 0 0 5px rgba(126, 162, 139, .10);
}
.node-one { left: 17%; top: 69%; }
.node-two { left: 45%; top: 45%; }
.node-three { right: 14%; top: 20%; }
.node-four { right: 16%; bottom: 23%; }

.home-whisper {
  display: flex;
  justify-content: center;
  padding: 18px 20px 8px;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: .035em;
  text-align: center;
}
.home-whisper span { max-width: 900px; line-height: 1.7; }

.home-doors {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin-top: 16px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.home-door {
  position: relative;
  min-height: 148px;
  display: grid;
  grid-template-rows: auto auto 1fr;
  gap: 8px;
  padding: 22px 20px;
  border: 0;
  border-right: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  text-align: left;
  transition: background .18s ease, transform .18s ease;
}
.home-door:last-child { border-right: 0; }
.home-door:hover { background: rgba(122, 151, 132, .07); }
.home-door:active { transform: translateY(1px); }
.home-door > span { color: #849188; font-size: 9px; letter-spacing: .12em; }
.home-door > strong { font-size: 15px; font-weight: 650; }
.home-door > small { align-self: end; color: var(--muted); font-size: 10px; line-height: 1.65; }

.home-search-panel {
  display: grid;
  grid-template-columns: minmax(260px, .65fr) minmax(420px, 1fr);
  gap: 44px;
  align-items: end;
  padding: 30px 0 6px;
}
.home-search-panel h3 { margin: 5px 0 0; font-size: 17px; font-weight: 610; }
.home-search-panel .dashboard-search { margin: 0; }

html[data-theme="light"] .home-cover {
  background:
    radial-gradient(circle at 82% 15%, rgba(90, 126, 105, .12), transparent 34%),
    radial-gradient(circle at 18% 100%, rgba(163, 143, 102, .09), transparent 36%),
    #fbfaf5;
}
html[data-theme="light"] .atlas-node { border-color: #fbfaf5; }
html[data-theme="light"] .home-door:hover { background: rgba(92, 122, 103, .055); }

@media (max-width: 1100px) {
  .home-cover { grid-template-columns: minmax(0, 1fr) 290px; padding: 40px; }
  .home-doors { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .home-door:nth-child(3) { border-right: 0; }
  .home-door:nth-child(n+4) { border-top: 1px solid var(--line); }
  .home-search-panel { grid-template-columns: 1fr; gap: 18px; }
}

@media (max-width: 760px) {
  .home-cover { grid-template-columns: 1fr; min-height: 0; padding: 30px 24px 24px; border-radius: 20px; }
  .home-cover h2 { font-size: clamp(32px, 9vw, 44px); }
  .home-cover-copy > p:not(.home-kicker) { margin-top: 18px; font-size: 13px; }
  .home-cover-actions { margin-top: 24px; }
  .home-atlas-art { min-height: 210px; opacity: .84; }
  .ring-one { width: 190px; height: 190px; right: 8%; top: 5px; }
  .ring-two { width: 122px; height: 122px; right: calc(8% + 34px); top: 39px; }
  .ring-three { width: 58px; height: 58px; right: calc(8% + 66px); top: 71px; }
  .home-doors { grid-template-columns: 1fr 1fr; }
  .home-door { min-height: 128px; border-top: 1px solid var(--line); }
  .home-door:nth-child(-n+2) { border-top: 0; }
  .home-door:nth-child(2n) { border-right: 0; }
  .home-door:nth-child(3) { border-right: 1px solid var(--line); }
  .home-search-panel { padding-top: 24px; }
}

@media (max-width: 480px) {
  .home-cover { padding: 26px 20px 20px; }
  .home-kicker { margin-bottom: 16px; font-size: 9px; }
  .home-cover-actions { align-items: stretch; flex-direction: column; }
  .home-atlas-art { min-height: 170px; }
  .home-doors { grid-template-columns: 1fr; }
  .home-door { min-height: 112px; border-right: 0 !important; border-top: 1px solid var(--line) !important; }
  .home-door:first-child { border-top: 0 !important; }
  .home-search-panel .dashboard-search { grid-template-columns: 1fr; }
  .home-search-panel .dashboard-search > label { grid-column: auto; }
  .home-search-panel .dashboard-search .primary { width: 100%; }
}
.paper-training-dialog form { display: grid; gap: 14px; padding: 20px; overflow: auto; max-height: calc(100vh - 30px); }
.paper-training-dialog textarea { width: 100%; resize: vertical; }
.paper-training-toolbar {
  display: grid;
  grid-template-columns: minmax(170px, .8fr) minmax(150px, .65fr) auto auto;
  gap: 9px;
  align-items: end;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--paper-muted);
}
.paper-training-results { display: grid; gap: 7px; }
.paper-training-result-row {
  display: grid;
  grid-template-columns: minmax(280px, 1.6fr) minmax(118px, .6fr) 90px 82px minmax(138px, .7fr) minmax(180px, .9fr);
  gap: 7px;
  align-items: end;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--paper-muted);
}
.paper-training-result-row > label { display: grid; gap: 4px; }
.paper-training-result-row > label > span { color: var(--muted); font-size: 9px; }
.paper-training-result-row input,
.paper-training-result-row select { min-width: 0; width: 100%; padding: 8px; font-size: 10px; }
.paper-training-question { display: grid; grid-template-columns: 28px minmax(0, 1fr); gap: 8px; align-items: center; min-width: 0; }
.paper-training-question > b { width: 28px; height: 28px; display: grid; place-items: center; border-radius: 9px; background: var(--accent-soft); color: var(--accent); font-size: 10px; }
.paper-training-question > span { display: grid; min-width: 0; gap: 3px; }
.paper-training-question strong { font-size: 10px; }
.paper-training-question small { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--muted); font-size: 9px; }
.paper-training-history {
  display: grid;
  gap: 9px;
  margin: 0 0 12px;
  padding: 11px 13px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--panel);
}
.paper-training-history > div:first-child { display: flex; justify-content: space-between; gap: 10px; align-items: center; }
.paper-training-history > div:first-child strong { font-size: 11px; }
.paper-training-history > div:first-child span { color: var(--muted); font-size: 9px; }
.paper-training-history-list { display: flex; gap: 7px; overflow-x: auto; padding-bottom: 2px; }
.paper-training-history-list article { flex: 0 0 min(260px, 78vw); padding: 9px 10px; border: 1px solid var(--line); border-radius: 10px; background: var(--paper-muted); }
.paper-training-history-list article > div { display: flex; justify-content: space-between; gap: 8px; }
.paper-training-history-list article strong { font-size: 10px; }
.paper-training-history-list article span,
.paper-training-history-list article small { color: var(--muted); font-size: 9px; }
.paper-training-history-list article p { margin: 5px 0 3px; font-size: 9px; }

@media (max-width: 900px) {
  .student-diagnosis-layout { grid-template-columns: 1fr; }
  .student-stage-form { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .student-stage-form > div,
  .student-stage-form > button { grid-column: 1 / -1; }
  .learning-map-proposal-card { grid-template-columns: 1fr; }
  .learning-map-proposal-actions { justify-content: flex-end; }
  .paper-training-toolbar { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .paper-training-result-row { grid-template-columns: minmax(0, 1fr) repeat(2, minmax(110px, .4fr)); }
  .paper-training-question { grid-column: 1 / -1; }
  .paper-training-note-field { grid-column: span 2; }
}

@media (max-width: 560px) {
  .student-diagnosis-kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .student-stage-form,
  .student-map-projection-grid,
  .student-candidate-grid { grid-template-columns: 1fr; }
  .student-map-state-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .student-direction-foot { align-items: stretch; flex-direction: column; }
  .student-direction-foot button { width: 100%; }
  .student-evidence-outcomes { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .student-evidence-score-row { grid-template-columns: 1fr; }
  .student-evidence-foot { align-items: stretch; flex-direction: column; }
  .learning-map-proposal-actions { align-items: stretch; flex-direction: column; }
  .paper-training-toolbar { grid-template-columns: 1fr; }
  .paper-training-result-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .paper-training-question,
  .paper-training-note-field { grid-column: 1 / -1; }
}

/* 2026 首页视觉实验：Aurora Mesh + Glass + 3D pointer field + Bento portals。 */
:root {
  --home-cyan: #66d6ce;
  --home-lime: #b7e86f;
  --home-violet: #9b7cff;
  --home-peach: #ff9f79;
  --home-ink: #eaf7ef;
}

#view-dashboard {
  --mx: 50%;
  --my: 42%;
  --rx: 0deg;
  --ry: 0deg;
  --px: 0px;
  --py: 0px;
  position: relative;
  isolation: isolate;
  padding-bottom: 54px;
}

.home-cover {
  position: relative;
  min-height: clamp(520px, 68vh, 720px);
  grid-template-columns: minmax(0, 1.02fr) minmax(380px, .98fr);
  gap: clamp(20px, 4vw, 72px);
  align-items: center;
  padding: clamp(42px, 6vw, 82px);
  overflow: hidden;
  border: 1px solid rgba(168, 212, 187, .16);
  border-radius: 36px;
  background:
    radial-gradient(circle at var(--mx) var(--my), rgba(126, 255, 213, .11), transparent 28%),
    linear-gradient(145deg, #07130e 0%, #0b1a13 48%, #111429 100%);
  box-shadow:
    0 50px 120px rgba(0, 0, 0, .26),
    inset 0 1px 0 rgba(255, 255, 255, .05);
  view-transition-name: home-hero;
}

.home-cover::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: .38;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 54px 54px;
  -webkit-mask-image: radial-gradient(circle at 74% 52%, #000 0 28%, transparent 70%);
  mask-image: radial-gradient(circle at 74% 52%, #000 0 28%, transparent 70%);
  pointer-events: none;
}

.home-cover::after {
  content: "";
  position: absolute;
  inset: -1px;
  z-index: 5;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(115deg, rgba(112, 233, 196, .45), transparent 28%, transparent 68%, rgba(153, 124, 255, .42));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.home-aurora {
  position: absolute;
  z-index: 0;
  width: clamp(280px, 36vw, 560px);
  aspect-ratio: 1;
  border-radius: 44% 56% 61% 39% / 43% 39% 61% 57%;
  filter: blur(54px) saturate(130%);
  opacity: .34;
  mix-blend-mode: screen;
  pointer-events: none;
  will-change: transform;
}
.aurora-one {
  right: 4%; top: -22%;
  background: radial-gradient(circle at 36% 38%, var(--home-cyan), transparent 62%);
  animation: homeAuroraA 14s ease-in-out infinite alternate;
}
.aurora-two {
  right: 24%; bottom: -36%;
  background: radial-gradient(circle at 60% 42%, var(--home-violet), transparent 64%);
  animation: homeAuroraB 18s ease-in-out infinite alternate;
}
.aurora-three {
  left: -12%; bottom: -42%;
  background: radial-gradient(circle at 52% 40%, var(--home-lime), transparent 66%);
  opacity: .18;
  animation: homeAuroraC 20s ease-in-out infinite alternate;
}

@keyframes homeAuroraA { to { transform: translate3d(-10%, 14%, 0) rotate(18deg) scale(1.15); } }
@keyframes homeAuroraB { to { transform: translate3d(16%, -10%, 0) rotate(-22deg) scale(.92); } }
@keyframes homeAuroraC { to { transform: translate3d(18%, -9%, 0) rotate(14deg) scale(1.13); } }

.home-cover-copy {
  z-index: 3;
  max-width: 760px;
  transform: translate3d(calc(var(--px) * -.16), calc(var(--py) * -.16), 0);
  transition: transform .18s ease-out;
}

.home-live-label {
  width: fit-content;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 24px;
  padding: 8px 11px;
  border: 1px solid rgba(183, 232, 111, .16);
  border-radius: 999px;
  background: rgba(255, 255, 255, .045);
  color: rgba(227, 243, 234, .64);
  backdrop-filter: blur(14px) saturate(130%);
  font-size: 9px;
  font-weight: 760;
  letter-spacing: .16em;
}
.home-live-label > span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--home-lime);
  box-shadow: 0 0 0 5px rgba(183, 232, 111, .08), 0 0 18px rgba(183, 232, 111, .65);
  animation: homePulse 2.2s ease-in-out infinite;
}
@keyframes homePulse { 50% { opacity: .5; transform: scale(.76); } }

.home-cover h2 {
  max-width: 820px;
  margin: 0;
  color: #f2fbf6;
  font-size: clamp(44px, 5.5vw, 78px);
  font-weight: 520;
  line-height: 1.02;
  letter-spacing: -.072em;
  text-wrap: balance;
  text-shadow: 0 16px 60px rgba(0,0,0,.26);
}

@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .home-cover h2 {
    background: linear-gradient(120deg, #f6fff9 8%, #c8f4dc 42%, #9cd9cf 64%, #d1c3ff 98%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
}

.home-cover-copy > p:not(.home-kicker) {
  max-width: 620px;
  margin: 28px 0 0;
  color: rgba(220, 235, 226, .63);
  font-size: clamp(14px, 1.25vw, 17px);
  line-height: 1.9;
  text-wrap: pretty;
}

.home-cover-actions { gap: 12px; margin-top: 34px; }
.home-cover-actions button {
  min-height: 48px;
  padding-inline: 18px;
  border-radius: 14px;
}
.home-primary-cta {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  background: linear-gradient(135deg, #d9ffdf, #93e8c8);
  color: #092016;
  box-shadow: 0 14px 38px rgba(99, 222, 177, .2);
}
.home-primary-cta:hover { background: linear-gradient(135deg, #edfff0, #a6f0d5); color: #061a12; }
.home-primary-cta span { font-size: 16px; }
.home-secondary-cta {
  border-color: rgba(255,255,255,.12);
  background: rgba(255,255,255,.055);
  color: rgba(238,248,241,.78);
  backdrop-filter: blur(16px);
}

.home-atlas-art {
  z-index: 2;
  min-height: 420px;
  perspective: 1000px;
  transform: translate3d(var(--px), var(--py), 0) rotateX(var(--rx)) rotateY(var(--ry));
  transform-style: preserve-3d;
  transition: transform .2s cubic-bezier(.2,.7,.2,1);
  filter: drop-shadow(0 28px 60px rgba(0,0,0,.22));
}
.atlas-grid {
  position: absolute;
  inset: 10% 4% 4% 8%;
  border-radius: 50%;
  background:
    repeating-radial-gradient(circle at center, rgba(154, 235, 200, .13) 0 1px, transparent 1px 34px),
    conic-gradient(from 30deg at 50% 50%, transparent, rgba(139, 204, 178, .05), transparent 30%, rgba(151, 124, 255, .06), transparent 68%);
  -webkit-mask-image: radial-gradient(circle, #000 18%, rgba(0,0,0,.72) 48%, transparent 74%);
  mask-image: radial-gradient(circle, #000 18%, rgba(0,0,0,.72) 48%, transparent 74%);
  transform: translateZ(-60px) scale(1.14);
}
.atlas-orbit {
  position: absolute;
  left: 50%;
  top: 50%;
  border: 1px solid rgba(174, 232, 207, .18);
  border-radius: 50%;
  transform-style: preserve-3d;
}
.orbit-outer { width: 330px; height: 330px; margin: -165px; transform: rotateX(65deg) rotateZ(18deg); animation: orbitOuter 18s linear infinite; }
.orbit-middle { width: 245px; height: 245px; margin: -122px; transform: rotateX(72deg) rotateZ(-38deg); animation: orbitMiddle 13s linear infinite reverse; }
.orbit-inner { width: 150px; height: 150px; margin: -75px; transform: rotateX(58deg) rotateZ(76deg); animation: orbitInner 9s linear infinite; }
.atlas-orbit i {
  position: absolute;
  left: 50%;
  top: -5px;
  width: 10px;
  height: 10px;
  margin-left: -5px;
  border-radius: 50%;
  background: var(--home-cyan);
  box-shadow: 0 0 18px rgba(102, 214, 206, .78), 0 0 0 5px rgba(102, 214, 206, .08);
}
.orbit-middle i { background: var(--home-violet); box-shadow: 0 0 18px rgba(155,124,255,.78), 0 0 0 5px rgba(155,124,255,.08); }
.orbit-inner i { background: var(--home-lime); box-shadow: 0 0 18px rgba(183,232,111,.78), 0 0 0 5px rgba(183,232,111,.08); }
@keyframes orbitOuter { to { transform: rotateX(65deg) rotateZ(378deg); } }
@keyframes orbitMiddle { to { transform: rotateX(72deg) rotateZ(322deg); } }
@keyframes orbitInner { to { transform: rotateX(58deg) rotateZ(436deg); } }

.atlas-core {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 126px;
  height: 126px;
  margin: -63px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(197, 244, 222, .18);
  border-radius: 50%;
  background: radial-gradient(circle at 38% 30%, rgba(199,255,229,.18), rgba(13,41,30,.58) 42%, rgba(5,18,13,.84) 74%);
  box-shadow: inset 0 0 30px rgba(118, 230, 187, .09), 0 0 80px rgba(105, 224, 182, .09);
  backdrop-filter: blur(18px) saturate(145%);
  transform: translateZ(38px);
}
.atlas-core-glow {
  position: absolute;
  inset: 24%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(143, 242, 204, .88), rgba(102, 214, 206, .2) 38%, transparent 72%);
  filter: blur(8px);
  animation: homeCore 3.6s ease-in-out infinite;
}
.atlas-core-dot { width: 8px; height: 8px; border-radius: 50%; background: #e6fff3; box-shadow: 0 0 26px #9ef1ce; }
.atlas-core small { position: absolute; top: calc(50% + 20px); color: rgba(222,245,232,.54); font-size: 8px; font-weight: 740; line-height: 1.25; letter-spacing: .14em; text-align: center; }
@keyframes homeCore { 50% { transform: scale(1.3); opacity: .58; } }

.atlas-path {
  fill: none;
  stroke: rgba(161, 229, 199, .38);
  stroke-width: 1.2;
  stroke-linecap: round;
  stroke-dasharray: 5 9;
  animation: pathDrift 9s linear infinite;
}
.path-b { stroke: rgba(179, 156, 255, .3); animation-duration: 12s; animation-direction: reverse; }
.path-c { stroke: rgba(191, 232, 111, .28); animation-duration: 15s; }
@keyframes pathDrift { to { stroke-dashoffset: -140; } }

.atlas-signal {
  position: absolute;
  z-index: 5;
  min-width: 142px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2px 9px;
  padding: 12px 14px;
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 16px;
  background: rgba(13, 27, 21, .54);
  color: rgba(235, 247, 240, .82);
  box-shadow: 0 16px 40px rgba(0,0,0,.18);
  backdrop-filter: blur(18px) saturate(140%);
  transform: translateZ(54px);
}
.atlas-signal > span { grid-row: 1 / 3; align-self: center; color: rgba(164, 229, 199, .48); font-size: 9px; }
.atlas-signal strong { font-size: 11px; font-weight: 650; }
.atlas-signal small { color: rgba(220,235,226,.46); font-size: 9px; }
.signal-a { left: 0; top: 12%; animation: signalFloatA 5s ease-in-out infinite; }
.signal-b { right: -2%; top: 18%; animation: signalFloatB 6.4s ease-in-out infinite; }
.signal-c { right: 4%; bottom: 8%; animation: signalFloatC 7.1s ease-in-out infinite; }
@keyframes signalFloatA { 50% { transform: translate3d(7px,-10px,54px); } }
@keyframes signalFloatB { 50% { transform: translate3d(-8px,9px,54px); } }
@keyframes signalFloatC { 50% { transform: translate3d(9px,-7px,54px); } }

.home-whisper {
  width: fit-content;
  max-width: min(100%, 980px);
  margin: -18px auto 0;
  padding: 12px 18px;
  position: relative;
  z-index: 7;
  border: 1px solid rgba(130, 166, 146, .14);
  border-radius: 999px;
  background: color-mix(in srgb, var(--panel) 72%, transparent);
  box-shadow: 0 14px 34px rgba(0,0,0,.08);
  backdrop-filter: blur(18px) saturate(135%);
  color: var(--muted);
  font-size: 10px;
}

.home-doors {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  grid-auto-rows: minmax(150px, auto);
  gap: 12px;
  margin-top: 34px;
  border: 0;
}
.home-door {
  position: relative;
  isolation: isolate;
  min-height: 170px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  overflow: hidden;
  padding: 22px;
  border: 1px solid rgba(122, 151, 132, .14);
  border-radius: 24px;
  background: var(--panel);
  color: var(--ink);
  box-shadow: 0 18px 50px rgba(24, 32, 27, .04);
  text-align: left;
  transition: transform .35s cubic-bezier(.2,.8,.2,1), border-color .35s ease, box-shadow .35s ease;
  view-transition-name: none;
}
.home-door::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  opacity: .72;
  transition: opacity .35s ease, transform .45s ease;
}
.home-door::after {
  content: "";
  position: absolute;
  right: -36px;
  bottom: -46px;
  z-index: -1;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.08);
  box-shadow: inset 0 0 42px rgba(255,255,255,.035);
  transition: transform .45s cubic-bezier(.2,.8,.2,1);
}
.home-door:hover {
  transform: translateY(-7px) scale(1.01);
  border-color: rgba(130, 194, 162, .28);
  box-shadow: 0 28px 70px rgba(16, 28, 21, .12);
}
.home-door:hover::before { opacity: 1; transform: scale(1.04); }
.home-door:hover::after { transform: scale(1.16) translate(-8px,-8px); }
.home-door > span { color: var(--muted); font-size: 9px; font-weight: 720; letter-spacing: .12em; }
.home-door > strong { margin-top: 8px; font-size: clamp(18px, 1.8vw, 26px); font-weight: 570; letter-spacing: -.035em; }
.home-door > small { max-width: 30ch; margin-top: auto; color: var(--muted); font-size: 10px; line-height: 1.65; }
.home-door > b { position: absolute; right: 20px; top: 18px; color: currentColor; font-size: 18px; font-weight: 400; opacity: .45; transition: transform .3s ease, opacity .3s ease; }
.home-door:hover > b { opacity: .85; transform: translate(3px,-3px); }

.door-map { grid-column: span 2; grid-row: span 2; min-height: 352px; }
.door-student { grid-column: span 2; }
.door-question { grid-column: span 2; }
.door-paper { grid-column: span 2; }
.door-source { grid-column: span 2; }
.door-map::before { background: radial-gradient(circle at 18% 18%, rgba(102,214,206,.14), transparent 48%), linear-gradient(145deg, rgba(98,190,160,.08), transparent 52%); }
.door-student::before { background: radial-gradient(circle at 90% 10%, rgba(155,124,255,.15), transparent 48%); }
.door-question::before { background: radial-gradient(circle at 12% 100%, rgba(183,232,111,.15), transparent 48%); }
.door-paper::before { background: radial-gradient(circle at 100% 100%, rgba(255,159,121,.14), transparent 48%); }
.door-source::before { background: radial-gradient(circle at 12% 18%, rgba(103,157,255,.13), transparent 48%); }

.home-search-panel {
  position: relative;
  grid-template-columns: minmax(260px, .7fr) minmax(420px, 1fr);
  gap: 44px;
  align-items: end;
  margin-top: 30px;
  padding: 28px 30px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: linear-gradient(120deg, color-mix(in srgb, var(--panel) 92%, transparent), color-mix(in srgb, var(--panel) 76%, transparent));
  overflow: hidden;
}
.home-search-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .38;
  background: radial-gradient(circle at 82% 120%, rgba(102,214,206,.14), transparent 44%);
  pointer-events: none;
}
.home-search-panel > * { position: relative; z-index: 1; }
.home-search-panel h3 { font-size: 20px; letter-spacing: -.025em; }

html[data-theme="light"] .home-cover {
  border-color: rgba(48, 84, 64, .11);
  background:
    radial-gradient(circle at var(--mx) var(--my), rgba(51, 176, 139, .12), transparent 30%),
    linear-gradient(145deg, #f5fff9 0%, #eaf8ef 48%, #f1efff 100%);
  box-shadow: 0 40px 100px rgba(61, 79, 69, .11), inset 0 1px 0 rgba(255,255,255,.9);
}
html[data-theme="light"] .home-cover h2 { color: #173327; text-shadow: none; }
@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  html[data-theme="light"] .home-cover h2 {
    background: linear-gradient(120deg, #18382a 8%, #347a5a 46%, #326f75 70%, #5a4c91 98%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
}
html[data-theme="light"] .home-cover-copy > p:not(.home-kicker) { color: rgba(31, 61, 47, .66); }
html[data-theme="light"] .home-live-label { border-color: rgba(48,110,80,.12); background: rgba(255,255,255,.48); color: rgba(33,75,55,.56); }
html[data-theme="light"] .home-secondary-cta { border-color: rgba(50,85,65,.14); background: rgba(255,255,255,.52); color: #345746; }
html[data-theme="light"] .atlas-core { background: radial-gradient(circle at 38% 30%, rgba(220,255,237,.9), rgba(112,195,159,.2) 42%, rgba(255,255,255,.44) 74%); }
html[data-theme="light"] .atlas-core small { color: rgba(39,84,62,.53); }
html[data-theme="light"] .atlas-signal { border-color: rgba(56,99,75,.11); background: rgba(255,255,255,.58); color: #315845; box-shadow: 0 18px 50px rgba(61,79,69,.08); }
html[data-theme="light"] .atlas-signal small { color: rgba(49,88,69,.5); }
html[data-theme="light"] .home-door { background: rgba(255,255,255,.72); box-shadow: 0 18px 50px rgba(61,79,69,.05); backdrop-filter: blur(16px); }

@supports (animation-timeline: view()) {
  .home-door, .home-search-panel {
    animation: homeReveal both linear;
    animation-timeline: view();
    animation-range: entry 5% cover 24%;
  }
  @keyframes homeReveal {
    from { opacity: .16; transform: translateY(24px) scale(.985); filter: blur(7px); }
    to { opacity: 1; transform: none; filter: none; }
  }
}

::view-transition-old(root), ::view-transition-new(root) { animation-duration: .34s; }
::view-transition-old(home-hero) { animation: .28s ease both fade-out; }
::view-transition-new(home-hero) { animation: .42s cubic-bezier(.16,1,.3,1) both fade-in; }
@keyframes fade-out { to { opacity: 0; transform: scale(.985); } }
@keyframes fade-in { from { opacity: 0; transform: scale(1.012); } }

@media (max-width: 1120px) {
  .home-cover { grid-template-columns: minmax(0, 1fr) minmax(330px, .82fr); padding: 52px 44px; }
  .home-atlas-art { min-height: 360px; }
  .orbit-outer { width: 280px; height: 280px; margin: -140px; }
  .home-doors { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .door-map { grid-column: span 2; }
  .door-student, .door-question, .door-paper, .door-source { grid-column: span 2; }
}

@media (max-width: 820px) {
  .home-cover { grid-template-columns: 1fr; min-height: 0; padding: 42px 28px 24px; border-radius: 28px; }
  .home-cover h2 { font-size: clamp(42px, 10vw, 64px); }
  .home-atlas-art { min-height: 330px; margin-top: 10px; }
  .signal-a { left: 6%; }
  .signal-b { right: 2%; }
  .home-whisper { margin-top: -8px; border-radius: 18px; }
  .home-search-panel { grid-template-columns: 1fr; gap: 18px; }
}

@media (max-width: 620px) {
  .home-cover { padding: 34px 20px 18px; border-radius: 24px; }
  .home-cover h2 { font-size: clamp(38px, 12.5vw, 54px); }
  .home-cover-copy > p:not(.home-kicker) { font-size: 13px; line-height: 1.75; }
  .home-cover-actions { align-items: stretch; flex-direction: column; }
  .home-atlas-art { min-height: 275px; transform: none !important; }
  .orbit-outer { width: 232px; height: 232px; margin: -116px; }
  .orbit-middle { width: 174px; height: 174px; margin: -87px; }
  .orbit-inner { width: 112px; height: 112px; margin: -56px; }
  .atlas-core { width: 96px; height: 96px; margin: -48px; }
  .atlas-signal { min-width: 116px; padding: 9px 10px; border-radius: 13px; }
  .atlas-signal strong { font-size: 10px; }
  .atlas-signal small { font-size: 8px; }
  .signal-a { top: 4%; left: 0; }
  .signal-b { top: 13%; right: 0; }
  .signal-c { right: 0; bottom: 3%; }
  .home-doors { grid-template-columns: 1fr 1fr; gap: 9px; }
  .home-door, .door-map, .door-student, .door-question, .door-paper, .door-source { grid-column: span 1; grid-row: span 1; min-height: 155px; padding: 18px; border-radius: 20px; }
  .door-map { grid-column: 1 / -1; min-height: 205px; }
  .home-search-panel { padding: 22px 18px; border-radius: 20px; }
  .home-search-panel .dashboard-search { grid-template-columns: 1fr; }
  .home-search-panel .dashboard-search > label { grid-column: auto; }
  .home-search-panel .dashboard-search .primary { width: 100%; }
}

/* Mobile homepage is deliberately a different composition, not a shrunk desktop hero. */
@media (max-width: 620px) {
  html[data-site-profile="general"] .shell:has(#view-dashboard.active) .topbar {
    position: relative;
    z-index: 30;
    height: 46px;
    margin-bottom: -46px;
    padding-inline: 14px;
    background: transparent;
    border-bottom: 0;
    pointer-events: none;
  }
  html[data-site-profile="general"] .shell:has(#view-dashboard.active) .topbar-title,
  html[data-site-profile="general"] .shell:has(#view-dashboard.active) .connection-state { display: none; }
  html[data-site-profile="general"] .shell:has(#view-dashboard.active) .topbar-aux {
    margin-left: auto;
    pointer-events: auto;
  }
  html[data-site-profile="general"] .shell:has(#view-dashboard.active) .theme-control {
    padding: 4px 7px;
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 999px;
    background: rgba(7,16,12,.26);
    backdrop-filter: blur(12px);
  }
  html[data-theme="light"][data-site-profile="general"] .shell:has(#view-dashboard.active) .theme-control {
    border-color: rgba(38,80,58,.08);
    background: rgba(255,255,255,.44);
  }

  #view-dashboard {
    --mobile-edge: 12px;
    margin-inline: calc(var(--mobile-edge) * -1);
    padding-bottom: 18px;
    overflow: clip;
  }

  #view-dashboard .home-cover {
    min-height: min(720px, calc(100dvh - 106px));
    display: block;
    margin: 0;
    padding: 30px 22px 24px;
    border-inline: 0;
    border-radius: 0 0 34px 34px;
    background:
      radial-gradient(circle at 76% 22%, rgba(85, 225, 185, .18), transparent 28%),
      radial-gradient(circle at 8% 65%, rgba(120, 102, 255, .16), transparent 34%),
      linear-gradient(155deg, #07110d 0%, #0a1812 48%, #111428 100%);
    box-shadow:
      0 24px 70px rgba(0, 0, 0, .22),
      inset 0 1px 0 rgba(255,255,255,.06);
  }

  #view-dashboard .home-cover::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: .26;
    background-image:
      linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
    background-size: 28px 28px;
    mask-image: linear-gradient(to bottom, rgba(0,0,0,.75), transparent 68%);
  }

  #view-dashboard .home-aurora {
    filter: blur(44px) saturate(130%);
    opacity: .72;
  }
  #view-dashboard .aurora-one { width: 230px; height: 230px; top: -70px; right: -44px; }
  #view-dashboard .aurora-two { width: 210px; height: 210px; left: -90px; bottom: 16%; }
  #view-dashboard .aurora-three { width: 180px; height: 180px; right: -50px; bottom: -34px; }

  #view-dashboard .home-cover-copy {
    position: relative;
    z-index: 8;
    max-width: none;
    padding-bottom: 270px;
    transform: none !important;
  }

  #view-dashboard .home-live-label {
    width: fit-content;
    padding: 7px 10px;
    border-color: rgba(255,255,255,.08);
    background: rgba(255,255,255,.05);
    color: rgba(218,239,228,.62);
    font-size: 8px;
    letter-spacing: .14em;
    backdrop-filter: blur(14px);
  }

  #view-dashboard .home-cover h2 {
    max-width: 8.8em;
    margin-top: 22px;
    font-size: clamp(38px, 11.6vw, 52px);
    font-weight: 520;
    line-height: 1.03;
    letter-spacing: -.065em;
    text-wrap: balance;
  }

  #view-dashboard .home-cover-copy > p:not(.home-kicker) {
    max-width: 31em;
    margin-top: 20px;
    color: rgba(218, 233, 224, .6);
    font-size: 12.5px;
    line-height: 1.72;
  }

  #view-dashboard .home-cover-actions {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 8px;
    margin-top: 22px;
  }

  #view-dashboard .home-cover-actions button {
    min-height: 43px;
    border-radius: 14px;
  }
  #view-dashboard .home-primary-cta {
    flex: 1 1 auto;
    justify-content: center;
    background: linear-gradient(135deg, #72d8a6, #62beb0);
    color: #07130d;
    box-shadow: 0 12px 30px rgba(84, 205, 157, .18);
  }
  #view-dashboard .home-secondary-cta {
    flex: 0 0 auto;
    padding-inline: 15px;
    border-color: rgba(255,255,255,.1);
    background: rgba(255,255,255,.055);
    color: rgba(235,246,239,.8);
    backdrop-filter: blur(12px);
  }

  #view-dashboard .home-atlas-art {
    position: absolute;
    z-index: 4;
    left: 50%;
    bottom: 4px;
    width: min(430px, 118vw);
    height: 292px;
    min-height: 0;
    margin: 0;
    opacity: 1;
    transform: translateX(-50%) !important;
    pointer-events: none;
  }

  #view-dashboard .atlas-grid {
    opacity: .22;
    mask-image: radial-gradient(circle at 50% 54%, #000 0 48%, transparent 78%);
  }

  #view-dashboard .orbit-outer { width: 224px; height: 224px; margin: -112px; }
  #view-dashboard .orbit-middle { width: 166px; height: 166px; margin: -83px; }
  #view-dashboard .orbit-inner { width: 104px; height: 104px; margin: -52px; }
  #view-dashboard .atlas-core {
    width: 92px;
    height: 92px;
    margin: -46px;
    border-color: rgba(218,255,238,.2);
    background: radial-gradient(circle at 36% 28%, rgba(206,255,232,.22), rgba(20,68,49,.7) 42%, rgba(5,20,14,.86) 76%);
    box-shadow: inset 0 0 28px rgba(118,230,187,.12), 0 0 70px rgba(78,216,166,.14);
  }
  #view-dashboard .atlas-core small { top: calc(50% + 18px); font-size: 7px; }

  #view-dashboard .atlas-signal {
    min-width: 0;
    padding: 8px 10px;
    border-radius: 999px;
    grid-template-columns: auto auto;
    gap: 6px;
    background: rgba(10, 23, 17, .64);
    box-shadow: 0 12px 28px rgba(0,0,0,.16);
    backdrop-filter: blur(15px) saturate(140%);
  }
  #view-dashboard .atlas-signal > span { grid-row: auto; font-size: 7px; }
  #view-dashboard .atlas-signal strong { font-size: 9px; }
  #view-dashboard .atlas-signal small { display: none; }
  #view-dashboard .signal-a { top: 19%; left: 11%; }
  #view-dashboard .signal-b { top: 8%; right: 9%; }
  #view-dashboard .signal-c { right: 12%; bottom: 12%; }

  #view-dashboard .home-whisper {
    width: auto;
    max-width: none;
    margin: 12px 16px 0;
    padding: 10px 12px;
    border: 0;
    border-radius: 14px;
    background: transparent;
    box-shadow: none;
    color: var(--muted);
    font-size: 9px;
    text-align: left;
  }

  #view-dashboard .home-doors {
    display: flex;
    gap: 10px;
    margin-top: 14px;
    padding: 0 16px 6px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    overscroll-behavior-inline: contain;
  }
  #view-dashboard .home-doors::-webkit-scrollbar { display: none; }

  #view-dashboard .home-door,
  #view-dashboard .door-map,
  #view-dashboard .door-student,
  #view-dashboard .door-question,
  #view-dashboard .door-paper,
  #view-dashboard .door-source {
    flex: 0 0 min(72vw, 286px);
    min-height: 158px;
    padding: 18px;
    border-radius: 22px;
    scroll-snap-align: center;
    box-shadow: 0 14px 36px rgba(16,28,21,.07);
  }
  #view-dashboard .door-map { flex-basis: min(82vw, 320px); }
  #view-dashboard .home-door > strong { margin-top: 15px; font-size: 23px; }
  #view-dashboard .home-door > small { max-width: 25ch; font-size: 10px; }
  #view-dashboard .home-door > b { right: 17px; top: 16px; }

  #view-dashboard .home-search-panel {
    margin: 16px 16px 0;
    padding: 20px;
    border-radius: 22px;
    background:
      radial-gradient(circle at 100% 0%, rgba(100,214,190,.09), transparent 36%),
      color-mix(in srgb, var(--panel) 94%, transparent);
  }
  #view-dashboard .home-search-panel h3 {
    max-width: 15em;
    font-size: 18px;
    line-height: 1.25;
  }
  #view-dashboard .home-search-panel .dashboard-search {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 7px;
  }
  #view-dashboard .home-search-panel .dashboard-search > label { grid-column: 1 / -1; }
  #view-dashboard .home-search-panel .dashboard-search .primary {
    width: auto;
    min-width: 68px;
    border-radius: 12px;
  }

  html[data-theme="light"] #view-dashboard .home-cover {
    background:
      radial-gradient(circle at 76% 22%, rgba(74, 195, 154, .22), transparent 30%),
      radial-gradient(circle at 5% 70%, rgba(114, 99, 221, .13), transparent 36%),
      linear-gradient(155deg, #ecfff6 0%, #eff8f4 49%, #f1efff 100%);
  }
  html[data-theme="light"] #view-dashboard .home-cover::before { opacity: .18; }
  html[data-theme="light"] #view-dashboard .home-live-label {
    border-color: rgba(36,85,61,.08);
    background: rgba(255,255,255,.5);
    color: rgba(33,75,55,.55);
  }
  html[data-theme="light"] #view-dashboard .home-cover-copy > p:not(.home-kicker) { color: rgba(34,70,52,.62); }
  html[data-theme="light"] #view-dashboard .home-secondary-cta {
    border-color: rgba(37,78,57,.1);
    background: rgba(255,255,255,.55);
    color: #355c48;
  }
  html[data-theme="light"] #view-dashboard .atlas-signal {
    border-color: rgba(40,85,62,.09);
    background: rgba(255,255,255,.63);
    color: #315845;
  }
}

@media (max-width: 390px) {
  #view-dashboard .home-cover { padding-inline: 18px; }
  #view-dashboard .home-cover-copy { padding-bottom: 252px; }
  #view-dashboard .home-cover h2 { font-size: clamp(35px, 11.2vw, 44px); }
  #view-dashboard .home-cover-actions { flex-direction: column; align-items: stretch; }
  #view-dashboard .home-secondary-cta { width: 100%; }
  #view-dashboard .home-atlas-art { height: 268px; }
  #view-dashboard .signal-a { left: 5%; }
  #view-dashboard .signal-b { right: 4%; }
  #view-dashboard .signal-c { right: 6%; }
  #view-dashboard .home-door,
  #view-dashboard .door-map,
  #view-dashboard .door-student,
  #view-dashboard .door-question,
  #view-dashboard .door-paper,
  #view-dashboard .door-source { flex-basis: 82vw; }
  #view-dashboard .home-search-panel .dashboard-search { grid-template-columns: 1fr; }
  #view-dashboard .home-search-panel .dashboard-search .primary { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .home-aurora, .home-live-label > span, .atlas-orbit, .atlas-core-glow, .atlas-path, .atlas-signal { animation: none !important; }
  .home-cover-copy, .home-atlas-art, .home-door { transform: none !important; transition-duration: .01ms !important; }
  ::view-transition-group(*), ::view-transition-old(*), ::view-transition-new(*) { animation-duration: .01ms !important; }
}

/* 学生是一级工作区，不再作为全站筛选器。 */
.student-page-head {
  align-items: center;
  gap: 24px;
  margin: 18px 0 16px;
  padding: 22px 0 8px;
}
.student-page-head > div { max-width: 720px; }
.student-page-head h2 {
  margin-top: 5px;
  font-size: clamp(24px, 3vw, 36px);
  letter-spacing: -.045em;
}
.student-page-head .muted { max-width: 58em; margin: 10px 0 0; line-height: 1.75; }
.student-create-toggle {
  flex: 0 0 auto;
  min-height: 42px;
  padding-inline: 18px;
}
.student-create-panel {
  margin: 4px 0 18px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel);
}
.student-create-panel[hidden] { display: none !important; }
.student-create-form {
  display: grid;
  grid-template-columns: minmax(180px, 1.25fr) repeat(3, minmax(140px, .9fr)) auto;
  gap: 10px;
  align-items: end;
}
.student-create-form > .primary {
  min-height: 42px;
  white-space: nowrap;
}
.student-directory {
  margin-top: 8px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel);
}
.student-workspace-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 10px;
}
.student-workspace-list .student-workspace-card {
  min-height: 138px;
  align-items: stretch;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--paper-muted);
}
.student-workspace-list .student-workspace-card:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--line));
  background: var(--accent-soft);
}
.student-workspace-card > span { align-content: start; gap: 5px; }
.student-workspace-card > span strong { font-size: 16px; }
.student-workspace-card > span em {
  margin-top: auto;
  color: var(--muted);
  font-size: 10px;
  font-style: normal;
}
.student-workspace-card > b { align-self: flex-start; }

.student-workspace-shell { display: grid; gap: 16px; }
.student-workspace-hero {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(135deg, var(--panel), color-mix(in srgb, var(--accent-soft) 40%, var(--panel)));
}
.student-workspace-hero h2 { margin: 8px 0 5px; font-size: clamp(26px, 3vw, 38px); letter-spacing: -.04em; }
.student-workspace-hero > div > .text-button { margin-bottom: 18px; }
.student-workspace-nav {
  display: inline-flex;
  gap: 5px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--paper-muted);
}
.student-workspace-nav button {
  min-height: 34px;
  padding: 7px 11px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 11px;
  cursor: pointer;
}
.student-workspace-nav button:hover,
.student-workspace-nav button.active { background: var(--panel); color: var(--ink); }

html[data-site-profile="general"].has-student-workspace #basket-trigger:not([hidden]) { display: inline-flex; }
html[data-site-profile="general"] #basket-trigger[hidden] { display: none !important; }
html[data-site-profile="general"]:not(.has-student-workspace) #basket-trigger { display: none !important; }

@media (max-width: 900px) {
  .student-page-head {
    align-items: flex-start;
    margin-top: 8px;
    padding-top: 8px;
  }
  .student-page-head > div { min-width: 0; }
  .student-page-head .student-create-toggle { margin-top: 3px; }
  .student-create-form { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .student-create-form > .primary { grid-column: 1 / -1; justify-self: start; }
  .student-workspace-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .student-workspace-hero { align-items: stretch; flex-direction: column; }
  .student-workspace-nav { align-self: flex-start; }
}

@media (max-width: 560px) {
  .student-page-head {
    align-items: stretch;
    flex-direction: column;
    gap: 14px;
    margin: 0;
    padding: 8px 2px 6px;
  }
  .student-page-head h2 { max-width: 11em; font-size: 27px; line-height: 1.12; }
  .student-page-head .muted { font-size: 12px; line-height: 1.65; }
  .student-page-head .student-create-toggle { width: 100%; margin: 0; }
  .student-create-panel { margin: 8px 0 14px; padding: 12px; border-radius: 14px; }
  .student-create-form { grid-template-columns: 1fr; }
  .student-create-form > .primary { grid-column: auto; width: 100%; }
  .student-directory { margin: 8px -2px 0; padding: 10px; }
  .student-workspace-list { grid-template-columns: 1fr; }
  .student-workspace-list .student-workspace-card { min-height: 108px; width: 100%; }
  .student-workspace-hero { margin-inline: -2px; padding: 18px; border-radius: 14px; }
  .student-workspace-nav { width: 100%; }
  .student-workspace-nav button { flex: 1; }
}

/* Learning Map Spatial V2 */
#view-learning-map { --map-border: color-mix(in srgb, var(--line) 82%, transparent); }
.learning-map-topline {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  padding: 8px 2px 4px;
}
.learning-map-topline h2 {
  margin: 5px 0 0;
  font-size: clamp(26px, 3.2vw, 40px);
  line-height: 1.08;
  letter-spacing: -.045em;
}
.learning-map-version-pill {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 54px;
  min-height: 32px;
  padding: 6px 11px;
  border: 1px solid var(--map-border);
  border-radius: 999px;
  background: var(--panel);
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
}
#view-learning-map .learning-map-scope-note {
  display: block;
  max-width: 820px;
  padding: 8px 0 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.65;
}
#view-learning-map .learning-map-scopebar {
  position: relative;
  z-index: 12;
  grid-template-columns: minmax(120px,.85fr) minmax(115px,.7fr) minmax(140px,.9fr) minmax(150px,1fr) auto;
  margin: 14px 0 12px;
  padding: 10px;
  border-radius: 14px;
  background: color-mix(in srgb, var(--panel) 92%, transparent);
  backdrop-filter: blur(18px);
}
#view-learning-map .learning-map-scopebar .form-field > span {
  font-size: 9px;
  letter-spacing: .04em;
}
#view-learning-map .learning-map-scopebar select { min-height: 36px; }
#view-learning-map .learning-map-scopebar > button { min-height: 36px; }

.learning-map-studio {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 12px;
  align-items: stretch;
}
.learning-map-canvas {
  position: relative;
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--map-border);
  border-radius: 22px;
  background:
    radial-gradient(circle at 13% 18%, color-mix(in srgb, var(--accent-soft) 42%, transparent), transparent 28%),
    radial-gradient(circle at 86% 78%, color-mix(in srgb, #9eaad0 14%, transparent), transparent 26%),
    var(--panel);
  box-shadow: 0 18px 56px rgba(22, 30, 25, .06);
}
.learning-map-canvas::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: .44;
  background-image:
    linear-gradient(color-mix(in srgb, var(--line) 46%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--line) 46%, transparent) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(circle at center, #000 20%, transparent 92%);
}
.learning-map-canvas-toolbar {
  position: absolute;
  top: 12px;
  left: 12px;
  right: 12px;
  z-index: 9;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  pointer-events: none;
}
#view-learning-map .learning-map-kpis {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 5px;
}
#view-learning-map .learning-map-kpis > span {
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
  min-height: 30px;
  padding: 6px 9px;
  border: 1px solid color-mix(in srgb, var(--line) 72%, transparent);
  border-radius: 999px;
  background: color-mix(in srgb, var(--panel) 84%, transparent);
  color: var(--muted);
  backdrop-filter: blur(14px);
  font-size: 9px;
  box-shadow: 0 5px 18px rgba(19, 28, 22, .04);
}
#view-learning-map .learning-map-kpis b { color: var(--ink); font-size: 11px; }
.learning-map-canvas-actions {
  display: flex;
  gap: 5px;
  pointer-events: auto;
}
.learning-map-canvas-actions .graph-tool {
  min-height: 32px;
  border-color: color-mix(in srgb, var(--line) 72%, transparent);
  background: color-mix(in srgb, var(--panel) 88%, transparent);
  backdrop-filter: blur(14px);
}

.learning-map-viewport {
  position: relative;
  z-index: 1;
  height: 690px;
  overflow: hidden;
  cursor: grab;
  touch-action: none;
  user-select: none;
}
.learning-map-viewport.dragging { cursor: grabbing; }
.learning-map-world {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  transform-origin: 0 0;
  will-change: transform;
}
.learning-map-edge-layer,
.learning-map-region-layer,
.learning-map-node-list {
  position: absolute;
  inset: 0;
}
.learning-map-edge-layer { z-index: 2; overflow: visible; pointer-events: none; }
.learning-map-edge {
  fill: none;
  stroke: color-mix(in srgb, var(--accent) 28%, var(--line));
  stroke-width: 1.15;
  stroke-linecap: round;
  opacity: .32;
  vector-effect: non-scaling-stroke;
}
.learning-map-edge[data-strength="2"] { opacity: .39; }
.learning-map-edge[data-strength="3"] { opacity: .48; stroke-width: 1.35; }
.learning-map-edge[data-strength="4"],
.learning-map-edge[data-strength="5"] { opacity: .62; stroke-width: 1.55; }
.learning-map-edge.typed { stroke-dasharray: 5 5; }
.learning-map-region-layer { z-index: 1; pointer-events: none; }
.learning-map-region {
  position: absolute;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--accent) 18%, var(--line));
  border-radius: 34% 47% 39% 43% / 28% 36% 44% 39%;
  background:
    radial-gradient(circle at 22% 18%, color-mix(in srgb, var(--accent-soft) 54%, transparent), transparent 52%),
    color-mix(in srgb, var(--panel) 62%, transparent);
  box-shadow:
    inset 0 0 0 1px color-mix(in srgb, var(--panel) 64%, transparent),
    0 14px 50px rgba(28, 37, 31, .025);
}
.learning-map-region:nth-child(2n) {
  border-radius: 46% 33% 45% 38% / 38% 45% 31% 43%;
  background:
    radial-gradient(circle at 70% 20%, color-mix(in srgb, #7898a7 15%, transparent), transparent 52%),
    color-mix(in srgb, var(--panel) 64%, transparent);
}
.learning-map-region:nth-child(3n) {
  border-radius: 38% 46% 34% 48% / 42% 31% 47% 35%;
  background:
    radial-gradient(circle at 28% 76%, color-mix(in srgb, #a090b3 12%, transparent), transparent 55%),
    color-mix(in srgb, var(--panel) 64%, transparent);
}
.learning-map-region::after {
  content: "";
  position: absolute;
  inset: 13px;
  border: 1px dashed color-mix(in srgb, var(--line) 55%, transparent);
  border-radius: inherit;
  opacity: .5;
}
.learning-map-region-title {
  position: absolute;
  left: 32px;
  top: 27px;
  z-index: 2;
  display: grid;
  gap: 3px;
  max-width: calc(100% - 64px);
}
.learning-map-region-title span {
  color: var(--muted);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.learning-map-region-title strong {
  max-width: 18em;
  overflow: hidden;
  color: color-mix(in srgb, var(--ink) 92%, var(--accent));
  font-size: 17px;
  letter-spacing: -.035em;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.learning-map-region-title small { color: var(--muted); font-size: 9px; }

#view-learning-map .learning-map-node-list { z-index: 4; pointer-events: none; }
#view-learning-map .learning-map-node-list.empty-state {
  position: absolute;
  left: 50%;
  top: 50%;
  right: auto;
  bottom: auto;
  width: min(560px, 80vw);
  transform: translate(-50%, -50%);
  pointer-events: auto;
}
.learning-map-node {
  position: absolute;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 7px;
  min-width: 132px;
  max-width: 174px;
  min-height: 38px;
  padding: 7px 9px;
  border: 1px solid color-mix(in srgb, var(--line) 82%, transparent);
  border-radius: 12px;
  background: color-mix(in srgb, var(--panel) 94%, transparent);
  color: var(--ink);
  box-shadow: 0 7px 18px rgba(20, 27, 23, .065);
  transform: translate(-50%, -50%);
  pointer-events: auto;
  text-align: left;
  transition: border-color .16s ease, box-shadow .16s ease, transform .16s ease, background .16s ease;
}
.learning-map-node:hover,
.learning-map-node:focus-visible {
  z-index: 8;
  border-color: color-mix(in srgb, var(--accent) 52%, var(--line));
  background: var(--panel);
  box-shadow: 0 12px 30px rgba(20, 27, 23, .11);
  transform: translate(-50%, -50%) scale(1.035);
  outline: none;
}
.learning-map-node.selected {
  z-index: 9;
  border-color: color-mix(in srgb, var(--accent) 72%, var(--line));
  background: color-mix(in srgb, var(--accent-soft) 54%, var(--panel));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 12%, transparent), 0 14px 34px rgba(20, 27, 23, .11);
}
.learning-map-node i {
  width: 8px;
  height: 8px;
  border: 2px solid color-mix(in srgb, var(--accent) 70%, var(--ink));
  border-radius: 50%;
  background: var(--panel);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent-soft) 70%, transparent);
}
.learning-map-node[data-evidence="3"] i { width: 10px; height: 10px; }
.learning-map-node[data-evidence="4"] i,
.learning-map-node[data-evidence="5"] i { width: 12px; height: 12px; background: color-mix(in srgb, var(--accent) 28%, var(--panel)); }
.learning-map-node > span {
  overflow: hidden;
  font-size: 11px;
  font-weight: 650;
  line-height: 1.25;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.learning-map-node > small { color: var(--muted); font-size: 8px; white-space: nowrap; }

.learning-map-compass {
  position: absolute;
  left: 14px;
  bottom: 14px;
  z-index: 6;
  display: grid;
  justify-items: center;
  gap: 3px;
  color: var(--muted);
  font-size: 8px;
  pointer-events: none;
}
.learning-map-compass i {
  width: 25px;
  height: 25px;
  border: 1px solid color-mix(in srgb, var(--line) 76%, transparent);
  border-radius: 50%;
  background: color-mix(in srgb, var(--panel) 84%, transparent);
  backdrop-filter: blur(12px);
}
.learning-map-compass i::before {
  content: "";
  display: block;
  width: 1px;
  height: 10px;
  margin: 3px auto 0;
  background: var(--accent);
  transform: rotate(18deg);
  transform-origin: 50% 100%;
}
.learning-map-gesture-hint {
  position: absolute;
  right: 14px;
  bottom: 13px;
  z-index: 6;
  padding: 6px 8px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--panel) 78%, transparent);
  color: var(--muted);
  backdrop-filter: blur(10px);
  font-size: 8px;
  pointer-events: none;
}

.learning-map-inspector {
  position: relative;
  min-width: 0;
  height: 690px;
  overflow: auto;
  padding: 22px;
  border: 1px solid var(--map-border);
  border-radius: 22px;
  background: var(--panel);
  scrollbar-width: thin;
}
.learning-map-inspector-close {
  position: absolute;
  top: 12px;
  right: 12px;
  display: none;
  width: 30px;
  height: 30px;
  border: 0;
  border-radius: 50%;
  background: var(--paper-muted);
  color: var(--muted);
  font-size: 19px;
}
.learning-map-inspector h3 {
  margin: 8px 32px 8px 0;
  font-size: 24px;
  line-height: 1.16;
  letter-spacing: -.035em;
}
.learning-map-inspector-description { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.75; }
.learning-map-inspector-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 20px 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--line);
}
.learning-map-inspector-stats span {
  display: grid;
  gap: 3px;
  padding: 10px 8px;
  background: var(--panel);
}
.learning-map-inspector-stats b { font-size: 17px; }
.learning-map-inspector-stats small { color: var(--muted); font-size: 8px; }
.learning-map-inspector-section {
  display: grid;
  gap: 7px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
}
.learning-map-inspector-section > span {
  color: var(--muted);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .04em;
}
.learning-map-inspector-section > p { margin: 0; font-size: 11px; line-height: 1.7; }
.learning-map-related-list { display: grid; gap: 5px; }
.learning-map-related-node {
  display: grid;
  gap: 3px;
  width: 100%;
  padding: 9px 10px;
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  background: var(--paper-muted);
  color: var(--ink);
  text-align: left;
}
.learning-map-related-node:hover { border-color: color-mix(in srgb, var(--accent) 42%, var(--line)); }
.learning-map-related-node strong { font-size: 10px; }
.learning-map-related-node small { color: var(--muted); font-size: 8px; }
.learning-map-open-questions { width: 100%; margin-top: 18px; }

.learning-map-version-drawer {
  margin-top: 12px;
  border: 1px solid var(--map-border);
  border-radius: 14px;
  background: var(--panel);
}
.learning-map-version-drawer > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 15px;
  cursor: pointer;
  list-style: none;
  color: var(--ink);
  font-size: 11px;
}
.learning-map-version-drawer > summary::-webkit-details-marker { display: none; }
.learning-map-version-drawer > summary b { color: var(--muted); font-size: 9px; font-weight: 600; }
.learning-map-version-drawer[open] > summary { border-bottom: 1px solid var(--line); }
.learning-map-version-drawer .learning-map-version-history {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  padding: 10px;
}
.learning-map-version-drawer .learning-map-version-history.empty-state { display: block; }

#view-learning-map .learning-map-proposal-panel,
#view-learning-map .semantic-map-details { margin-top: 12px; }

html[data-theme="dark"] .learning-map-canvas {
  background:
    radial-gradient(circle at 13% 18%, rgba(71, 119, 91, .18), transparent 30%),
    radial-gradient(circle at 86% 78%, rgba(83, 103, 144, .12), transparent 26%),
    #111712;
}
html[data-theme="dark"] .learning-map-region { background-color: rgba(28, 37, 31, .66); }
html[data-theme="dark"] .learning-map-node { background: rgba(28, 36, 30, .94); }
html[data-theme="dark"] .learning-map-node:hover,
html[data-theme="dark"] .learning-map-node:focus-visible { background: #202a23; }

@media (max-width: 980px) {
  .learning-map-studio { grid-template-columns: minmax(0, 1fr) 260px; }
  .learning-map-viewport,
  .learning-map-inspector { height: 620px; }
  #view-learning-map .learning-map-scopebar { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  #view-learning-map .learning-map-scopebar > button { grid-column: 1 / -1; }
  .learning-map-version-drawer .learning-map-version-history { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  .learning-map-topline { align-items: flex-start; }
  .learning-map-topline h2 { font-size: clamp(25px, 7vw, 34px); }
  #view-learning-map .learning-map-scope-note { padding-top: 6px; }
  #view-learning-map .learning-map-scopebar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px;
    margin-inline: -2px;
  }
  #view-learning-map .learning-map-scopebar > button { grid-column: auto; }
  .learning-map-studio { display: block; }
  .learning-map-canvas { border-radius: 18px; }
  .learning-map-viewport { height: min(72dvh, 660px); min-height: 500px; }
  .learning-map-canvas-toolbar { top: 9px; left: 9px; right: 9px; align-items: flex-start; }
  #view-learning-map .learning-map-kpis { max-width: calc(100% - 112px); }
  #view-learning-map .learning-map-kpis > span:nth-child(n+4) { display: none; }
  .learning-map-canvas-actions #learning-map-reset-view { font-size: 0; width: 34px; padding: 0; }
  .learning-map-canvas-actions #learning-map-reset-view::before { content: "⌖"; font-size: 15px; }
  .learning-map-gesture-hint { display: none; }
  .learning-map-inspector {
    position: absolute;
    left: 8px;
    right: 8px;
    bottom: 8px;
    z-index: 20;
    width: auto;
    height: auto;
    max-height: min(52dvh, 430px);
    padding: 18px;
    border-radius: 18px;
    box-shadow: 0 -14px 50px rgba(16, 23, 18, .16);
    transform: translateY(calc(100% + 18px));
    opacity: 0;
    pointer-events: none;
    transition: transform .22s ease, opacity .18s ease;
  }
  .learning-map-inspector.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .learning-map-inspector-close { display: grid; place-items: center; }
  .learning-map-inspector h3 { font-size: 21px; }
  .learning-map-version-drawer .learning-map-version-history { grid-template-columns: 1fr; }
}

@media (max-width: 460px) {
  .learning-map-topline { padding-inline: 2px; }
  .learning-map-version-pill { min-width: 46px; min-height: 29px; padding-inline: 8px; font-size: 9px; }
  #view-learning-map .learning-map-scopebar { grid-template-columns: 1fr 1fr; padding: 8px; }
  #view-learning-map .learning-map-scopebar > button { grid-column: 1 / -1; min-height: 32px; padding-block: 6px; }
  .learning-map-viewport { height: calc(100dvh - 250px); min-height: 470px; }
  #view-learning-map .learning-map-kpis > span { min-height: 27px; padding: 5px 7px; }
  #view-learning-map .learning-map-kpis > span:nth-child(3) { display: none; }
  .learning-map-compass { left: 10px; bottom: 10px; }
}

/* ──────────────────────────────────────────────────────────────
   Home Editorial V4
   去掉“AI 产品官网”的霓虹、宇宙、英文标签和玻璃胶囊。
   首页更像一本正在使用的教师工作册：大胆，但具体、有纸感。
   ────────────────────────────────────────────────────────────── */
@media (max-width: 0px) {
#view-dashboard {
  --home-ink: #1d2d25;
  --home-paper: #f2efe5;
  --home-paper-2: #e8e1d2;
  --home-red: #c75a45;
  --home-blue: #527b8d;
  --home-green: #597960;
  --home-yellow: #d5b260;
}

#view-dashboard .home-cover {
  min-height: 570px;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, .8fr);
  align-items: center;
  gap: clamp(28px, 5vw, 80px);
  padding: clamp(46px, 6vw, 88px);
  border: 0;
  border-radius: 34px;
  background:
    linear-gradient(90deg, rgba(35,45,38,.035) 1px, transparent 1px) 0 0 / 24px 24px,
    linear-gradient(rgba(35,45,38,.035) 1px, transparent 1px) 0 0 / 24px 24px,
    var(--home-paper);
  box-shadow: none;
  color: var(--home-ink);
  isolation: isolate;
}

#view-dashboard .home-cover::before {
  content: "";
  position: absolute;
  width: clamp(180px, 24vw, 360px);
  aspect-ratio: 1;
  right: -7%;
  top: -18%;
  border-radius: 50%;
  background: var(--home-red);
  opacity: .92;
  filter: none;
  mix-blend-mode: multiply;
}

#view-dashboard .home-cover::after {
  content: "";
  position: absolute;
  width: clamp(150px, 18vw, 260px);
  aspect-ratio: 1.65;
  left: 46%;
  bottom: -9%;
  border-radius: 999px;
  background: var(--home-yellow);
  opacity: .6;
  filter: none;
  transform: rotate(-14deg);
  mix-blend-mode: multiply;
}

#view-dashboard .home-cover-copy {
  z-index: 4;
  max-width: 760px;
  transform: none;
}

#view-dashboard .home-live-label {
  display: flex;
  align-items: baseline;
  gap: 12px;
  width: auto;
  margin: 0 0 28px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: none;
  color: var(--home-ink);
  backdrop-filter: none;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
}
#view-dashboard .home-live-label span {
  width: auto;
  height: auto;
  border-radius: 0;
  background: none;
  box-shadow: none;
  animation: none;
}
#view-dashboard .home-live-label em {
  color: rgba(29,45,37,.48);
  font-size: 10px;
  font-style: normal;
  font-weight: 500;
  letter-spacing: 0;
}

#view-dashboard .home-cover h2,
html[data-theme="light"] #view-dashboard .home-cover h2,
html[data-theme="dark"] #view-dashboard .home-cover h2 {
  max-width: 760px;
  margin: 0;
  background: none;
  color: var(--home-ink);
  -webkit-background-clip: border-box;
  background-clip: border-box;
  -webkit-text-fill-color: currentColor;
  text-shadow: none;
  font-size: clamp(48px, 6.2vw, 92px);
  font-weight: 760;
  line-height: .98;
  letter-spacing: -.075em;
  text-wrap: balance;
}

#view-dashboard .home-cover-copy > p:not(.home-kicker),
html[data-theme="light"] #view-dashboard .home-cover-copy > p:not(.home-kicker),
html[data-theme="dark"] #view-dashboard .home-cover-copy > p:not(.home-kicker) {
  max-width: 520px;
  margin: 30px 0 0;
  color: rgba(29,45,37,.66);
  font-size: 15px;
  line-height: 1.85;
}

#view-dashboard .home-cover-actions { margin-top: 32px; gap: 10px; }
#view-dashboard .home-cover-actions button {
  min-height: 46px;
  padding-inline: 18px;
  border-radius: 4px;
  font-weight: 650;
}
#view-dashboard .home-primary-cta,
html[data-theme="light"] #view-dashboard .home-primary-cta,
html[data-theme="dark"] #view-dashboard .home-primary-cta {
  background: var(--home-ink);
  color: #f8f3e9;
  box-shadow: none;
}
#view-dashboard .home-primary-cta:hover { background: #31443a; color: #fff; }
#view-dashboard .home-secondary-cta,
html[data-theme="light"] #view-dashboard .home-secondary-cta,
html[data-theme="dark"] #view-dashboard .home-secondary-cta {
  border-color: rgba(29,45,37,.22);
  background: transparent;
  color: var(--home-ink);
  backdrop-filter: none;
}

#view-dashboard .home-atlas-art {
  z-index: 3;
  min-height: 420px;
  display: grid;
  place-items: center;
  perspective: 1100px;
  transform: rotate(-2deg);
  filter: none;
}

#view-dashboard .paper-sheet {
  position: absolute;
  width: min(94%, 390px);
  aspect-ratio: 0.76;
  border: 1px solid rgba(29,45,37,.15);
  border-radius: 2px;
  background: #fffdf7;
  box-shadow: 0 24px 60px rgba(67,57,41,.13);
}
#view-dashboard .paper-sheet-back {
  background: #d6c9b5;
  transform: translate(18px, 18px) rotate(8deg);
  box-shadow: none;
}
#view-dashboard .paper-sheet-mid {
  background: #e8ddcb;
  transform: translate(-14px, 8px) rotate(-6deg);
  box-shadow: none;
}
#view-dashboard .paper-sheet-front {
  position: relative;
  overflow: hidden;
  padding: 28px;
  transform: rotate(2deg);
}
#view-dashboard .paper-sheet-front::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .22;
  background: repeating-linear-gradient(0deg, transparent 0 17px, rgba(77,91,82,.08) 17px 18px);
}
#view-dashboard .paper-sheet-head {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  color: #24352d;
}
#view-dashboard .paper-sheet-head span {
  padding: 3px 6px;
  background: #24352d;
  color: #fffaf0;
  font-size: 9px;
  letter-spacing: .08em;
}
#view-dashboard .paper-sheet-head b { font-size: 13px; font-weight: 700; }

#view-dashboard .paper-map {
  position: relative;
  z-index: 2;
  width: 100%;
  margin-top: 24px;
  overflow: visible;
}
#view-dashboard .paper-map path {
  fill: none;
  stroke: #566c60;
  stroke-width: 1.6;
  stroke-linecap: round;
}
#view-dashboard .paper-map path:nth-child(2) { stroke: #ba6656; }
#view-dashboard .paper-map path:nth-child(3) { stroke: #597f92; }
#view-dashboard .paper-map circle {
  fill: #fffdf7;
  stroke: #24352d;
  stroke-width: 2;
}
#view-dashboard .paper-note {
  position: absolute;
  z-index: 3;
  padding: 5px 7px;
  border: 1px solid rgba(29,45,37,.25);
  background: #f9f2df;
  color: #293c32;
  font-size: 9px;
  font-weight: 650;
  box-shadow: 2px 3px 0 rgba(29,45,37,.08);
}
#view-dashboard .paper-note.note-a { left: 9%; top: 45%; transform: rotate(-4deg); }
#view-dashboard .paper-note.note-b { right: 7%; top: 39%; transform: rotate(3deg); background: #e3edf1; }
#view-dashboard .paper-note.note-c { right: 20%; bottom: 23%; transform: rotate(-2deg); background: #e5e7ce; }
#view-dashboard .paper-rule {
  position: absolute;
  left: 28px;
  right: 28px;
  bottom: 50px;
  z-index: 2;
  height: 1px;
  background: rgba(29,45,37,.18);
}
#view-dashboard .paper-sheet-front > small {
  position: absolute;
  left: 28px;
  right: 28px;
  bottom: 27px;
  z-index: 2;
  color: rgba(29,45,37,.52);
  font-size: 9px;
}

#view-dashboard .home-whisper {
  width: auto;
  max-width: none;
  margin: 18px 0 0;
  padding: 0 2px;
  justify-content: flex-start;
  border: 0;
  border-radius: 0;
  background: none;
  box-shadow: none;
  backdrop-filter: none;
  color: var(--muted);
  font-size: 10px;
  text-align: left;
}

#view-dashboard .home-doors {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  grid-auto-rows: 1fr;
  gap: 0;
  margin-top: 38px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
#view-dashboard .home-door,
#view-dashboard .door-map,
#view-dashboard .door-student,
#view-dashboard .door-question,
#view-dashboard .door-paper,
#view-dashboard .door-source {
  grid-column: span 1;
  grid-row: span 1;
  min-height: 160px;
  padding: 22px 18px;
  border: 0;
  border-right: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  transition: background .2s ease, color .2s ease;
}
#view-dashboard .home-door:last-child { border-right: 0; }
#view-dashboard .home-door::before,
#view-dashboard .home-door::after { display: none; }
#view-dashboard .home-door:hover {
  transform: none;
  border-color: var(--line);
  background: var(--home-ink);
  color: #f7f2e8;
  box-shadow: none;
}
#view-dashboard .home-door > span { color: currentColor; opacity: .48; font-size: 9px; letter-spacing: .08em; }
#view-dashboard .home-door > strong { margin-top: 10px; font-size: 20px; font-weight: 700; letter-spacing: -.03em; }
#view-dashboard .home-door > small { max-width: 18ch; color: currentColor; opacity: .62; font-size: 10px; }
#view-dashboard .home-door > b { right: 18px; top: 17px; font-size: 14px; opacity: .48; }

#view-dashboard .home-search-panel {
  margin-top: 28px;
  padding: 24px 0 4px;
  border: 0;
  border-radius: 0;
  background: none;
}
#view-dashboard .home-search-panel::before { display: none; }
#view-dashboard .home-search-panel h3 { margin-top: 4px; font-size: 18px; }

html[data-theme="dark"] #view-dashboard .home-cover {
  --home-ink: #e7e2d7;
  --home-paper: #252a25;
  --home-paper-2: #34372f;
  background:
    linear-gradient(90deg, rgba(237,231,216,.04) 1px, transparent 1px) 0 0 / 24px 24px,
    linear-gradient(rgba(237,231,216,.04) 1px, transparent 1px) 0 0 / 24px 24px,
    #202720;
}
html[data-theme="dark"] #view-dashboard .home-cover::before { opacity: .56; mix-blend-mode: screen; }
html[data-theme="dark"] #view-dashboard .home-cover::after { opacity: .3; mix-blend-mode: screen; }
html[data-theme="dark"] #view-dashboard .home-live-label,
html[data-theme="dark"] #view-dashboard .home-cover h2 { color: #f2ede2; }
html[data-theme="dark"] #view-dashboard .home-live-label em,
html[data-theme="dark"] #view-dashboard .home-cover-copy > p:not(.home-kicker) { color: rgba(242,237,226,.6); }
html[data-theme="dark"] #view-dashboard .paper-sheet-front { background: #eee8da; }
html[data-theme="dark"] #view-dashboard .paper-sheet-back { background: #756955; }
html[data-theme="dark"] #view-dashboard .paper-sheet-mid { background: #aa9e88; }

@media (max-width: 820px) {
  #view-dashboard .home-cover {
    min-height: 0;
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 42px 28px 30px;
  }
  #view-dashboard .home-cover h2 { font-size: clamp(48px, 10vw, 72px); }
  #view-dashboard .home-atlas-art { min-height: 380px; margin-top: 2px; }
  #view-dashboard .home-doors { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  #view-dashboard .home-door:nth-child(3) { border-right: 0; }
  #view-dashboard .home-door:nth-child(n+4) { border-top: 1px solid var(--line); }
}

@media (max-width: 620px) {
  #view-dashboard { overflow: visible; }
  #view-dashboard .home-cover {
    min-height: auto;
    margin: 0 12px;
    padding: 34px 22px 18px;
    border-radius: 24px;
    overflow: hidden;
  }
  #view-dashboard .home-cover::before {
    width: 180px;
    right: -72px;
    top: -72px;
  }
  #view-dashboard .home-cover::after {
    width: 130px;
    left: -22px;
    bottom: 32%;
    opacity: .42;
  }
  #view-dashboard .home-live-label { margin-bottom: 20px; }
  #view-dashboard .home-live-label em { display: none; }
  #view-dashboard .home-cover h2 {
    max-width: 8ch;
    font-size: clamp(42px, 13.6vw, 58px);
    line-height: 1.01;
  }
  #view-dashboard .home-cover-copy > p:not(.home-kicker) {
    max-width: 28em;
    margin-top: 20px;
    font-size: 13px;
    line-height: 1.7;
  }
  #view-dashboard .home-cover-actions {
    display: flex;
    flex-direction: row;
    align-items: center;
    margin-top: 24px;
  }
  #view-dashboard .home-cover-actions button { min-height: 42px; }
  #view-dashboard .home-atlas-art {
    min-height: 300px;
    margin-top: 12px;
    transform: rotate(-1deg) !important;
  }
  #view-dashboard .paper-sheet { width: min(84vw, 285px); }
  #view-dashboard .paper-sheet-front { padding: 20px; }
  #view-dashboard .paper-sheet-head b { font-size: 11px; }
  #view-dashboard .paper-map { margin-top: 16px; }
  #view-dashboard .paper-note { padding: 4px 6px; font-size: 8px; }
  #view-dashboard .paper-rule { left: 20px; right: 20px; bottom: 42px; }
  #view-dashboard .paper-sheet-front > small { left: 20px; right: 20px; bottom: 22px; font-size: 8px; }
  #view-dashboard .home-whisper { margin: 14px 16px 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  #view-dashboard .home-doors {
    display: flex;
    gap: 8px;
    margin: 28px 0 0;
    padding: 0 12px 8px;
    overflow-x: auto;
    border: 0;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
  }
  #view-dashboard .home-doors::-webkit-scrollbar { display: none; }
  #view-dashboard .home-door,
  #view-dashboard .door-map,
  #view-dashboard .door-student,
  #view-dashboard .door-question,
  #view-dashboard .door-paper,
  #view-dashboard .door-source {
    flex: 0 0 74vw;
    min-height: 138px;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--panel);
    scroll-snap-align: start;
  }
  #view-dashboard .home-door > strong { font-size: 19px; }
  #view-dashboard .home-search-panel { margin: 14px 12px 0; padding: 20px 0 4px; }
}

}

/* Learning Map Obsidian Graph V3
   主画布改成微重力关系图：节点本身轻，关系和聚类承担“地图感”。 */
#view-learning-map .learning-map-canvas {
  background:
    radial-gradient(circle at 50% 45%, color-mix(in srgb, var(--accent-soft) 24%, transparent), transparent 34%),
    radial-gradient(circle at 20% 80%, color-mix(in srgb, #7886a8 9%, transparent), transparent 28%),
    color-mix(in srgb, var(--panel) 96%, #111 4%);
}
#view-learning-map .learning-map-canvas::before {
  opacity: .15;
  background-image: radial-gradient(circle, color-mix(in srgb, var(--muted) 34%, transparent) .7px, transparent .8px);
  background-size: 24px 24px;
  mask-image: radial-gradient(circle at center, #000 12%, transparent 96%);
}
#view-learning-map .learning-map-region-layer { display: none; }

#view-learning-map .learning-map-node-list.force-graph { z-index: 4; pointer-events: none; }
#view-learning-map .learning-map-node-list.force-graph .learning-map-node {
  left: 0;
  top: 0;
  display: inline-grid;
  grid-template-columns: auto auto auto;
  align-items: center;
  gap: 7px;
  min-width: 0;
  max-width: none;
  min-height: 0;
  width: max-content;
  padding: 3px 5px 3px 3px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  box-shadow: none;
  color: color-mix(in srgb, var(--ink) 88%, var(--muted));
  translate: -50% -50%;
  pointer-events: auto;
  touch-action: none;
  cursor: grab;
  transition: opacity .16s ease, color .16s ease, background .16s ease, filter .16s ease;
}
#view-learning-map .learning-map-node-list.force-graph .learning-map-node:hover,
#view-learning-map .learning-map-node-list.force-graph .learning-map-node:focus-visible {
  z-index: 12;
  border: 0;
  background: color-mix(in srgb, var(--panel) 78%, transparent);
  box-shadow: none;
  outline: none;
}
#view-learning-map .learning-map-node-list.force-graph .learning-map-node.dragging { cursor: grabbing; z-index: 20; }
#view-learning-map .learning-map-node-list.force-graph .learning-map-node.selected {
  z-index: 14;
  border: 0;
  background: color-mix(in srgb, var(--panel) 82%, transparent);
  box-shadow: none;
  color: var(--ink);
}
#view-learning-map .learning-map-node-list.force-graph .learning-map-node.connected { opacity: .96; }
#view-learning-map .learning-map-node-list.force-graph .learning-map-node.dimmed { opacity: .16; filter: saturate(.45); }

#view-learning-map .learning-map-node-list.force-graph .learning-map-node i {
  width: calc(var(--node-radius, 5px) + var(--node-radius, 5px));
  height: calc(var(--node-radius, 5px) + var(--node-radius, 5px));
  border: 1px solid color-mix(in srgb, var(--map-node-color, var(--accent)) 84%, white 16%);
  border-radius: 50%;
  background: color-mix(in srgb, var(--map-node-color, var(--accent)) 72%, var(--panel));
  box-shadow:
    0 0 0 3px color-mix(in srgb, var(--map-node-color, var(--accent)) 8%, transparent),
    0 0 16px color-mix(in srgb, var(--map-node-color, var(--accent)) 14%, transparent);
  transition: box-shadow .16s ease, transform .16s ease, background .16s ease;
}
#view-learning-map .learning-map-node-list.force-graph .learning-map-node:hover i,
#view-learning-map .learning-map-node-list.force-graph .learning-map-node.selected i {
  transform: scale(1.16);
  box-shadow:
    0 0 0 5px color-mix(in srgb, var(--map-node-color, var(--accent)) 13%, transparent),
    0 0 24px color-mix(in srgb, var(--map-node-color, var(--accent)) 24%, transparent);
}
#view-learning-map .learning-map-node-list.force-graph .learning-map-node > span {
  overflow: visible;
  max-width: 19em;
  color: currentColor;
  font-size: 10px;
  font-weight: 560;
  line-height: 1.2;
  text-overflow: clip;
  white-space: nowrap;
  text-shadow: 0 1px 2px color-mix(in srgb, var(--panel) 88%, transparent);
}
#view-learning-map .learning-map-node-list.force-graph .learning-map-node > small {
  min-width: 15px;
  color: var(--muted);
  font-size: 7px;
  opacity: .5;
}
#view-learning-map .learning-map-node-list.force-graph .learning-map-node.kind-family > span {
  font-size: 13px;
  font-weight: 760;
  letter-spacing: -.02em;
}
#view-learning-map .learning-map-node-list.force-graph .learning-map-node.kind-family i {
  background: color-mix(in srgb, var(--map-node-color, var(--accent)) 84%, var(--panel));
}
#view-learning-map .learning-map-node-list.force-graph .learning-map-node.kind-root > span {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: -.03em;
}
#view-learning-map .learning-map-node-list.force-graph .learning-map-node.kind-root i {
  border-width: 2px;
  background: var(--accent);
  box-shadow: 0 0 0 6px color-mix(in srgb, var(--accent) 10%, transparent), 0 0 34px color-mix(in srgb, var(--accent) 22%, transparent);
}

#view-learning-map .learning-map-node[data-family="0"] { --map-node-color: #7fa98d; }
#view-learning-map .learning-map-node[data-family="1"] { --map-node-color: #7d93b5; }
#view-learning-map .learning-map-node[data-family="2"] { --map-node-color: #aa8ea8; }
#view-learning-map .learning-map-node[data-family="3"] { --map-node-color: #b29b72; }
#view-learning-map .learning-map-node[data-family="4"] { --map-node-color: #719fa0; }
#view-learning-map .learning-map-node[data-family="5"] { --map-node-color: #9a8fbc; }
#view-learning-map .learning-map-node[data-family="6"] { --map-node-color: #a77e7e; }
#view-learning-map .learning-map-node[data-family="7"] { --map-node-color: #789a72; }

#view-learning-map .learning-map-edge {
  stroke: color-mix(in srgb, var(--muted) 32%, transparent);
  stroke-width: .82;
  opacity: .36;
  vector-effect: non-scaling-stroke;
  transition: opacity .16s ease, stroke .16s ease, stroke-width .16s ease;
}
#view-learning-map .learning-map-edge.relation-hierarchy {
  stroke: color-mix(in srgb, var(--accent) 37%, var(--line));
  opacity: .44;
}
#view-learning-map .learning-map-edge.relation-cooccurrence {
  stroke: color-mix(in srgb, #8a96ae 40%, var(--line));
  opacity: .25;
}
#view-learning-map .learning-map-edge.relation-prerequisite,
#view-learning-map .learning-map-edge.relation-successor,
#view-learning-map .learning-map-edge.relation-transfer {
  stroke: color-mix(in srgb, var(--accent) 66%, var(--line));
  stroke-width: 1.05;
  opacity: .58;
}
#view-learning-map .learning-map-edge[data-strength="4"],
#view-learning-map .learning-map-edge[data-strength="5"],
#view-learning-map .learning-map-edge[data-strength="6"] { opacity: .5; stroke-width: 1.05; }
#view-learning-map .learning-map-edge.connected {
  stroke: color-mix(in srgb, var(--accent) 72%, var(--ink));
  stroke-width: 1.35;
  opacity: .92;
}
#view-learning-map .learning-map-edge.dimmed { opacity: .045; }

html[data-theme="dark"] #view-learning-map .learning-map-canvas {
  background:
    radial-gradient(circle at 50% 45%, rgba(63, 91, 72, .18), transparent 36%),
    radial-gradient(circle at 18% 82%, rgba(76, 82, 120, .12), transparent 28%),
    #0e1310;
}
html[data-theme="dark"] #view-learning-map .learning-map-node-list.force-graph .learning-map-node { color: #bcc7bf; }
html[data-theme="dark"] #view-learning-map .learning-map-node-list.force-graph .learning-map-node:hover,
html[data-theme="dark"] #view-learning-map .learning-map-node-list.force-graph .learning-map-node.selected {
  background: rgba(18, 24, 20, .84);
  color: #eef4ef;
}
html[data-theme="dark"] #view-learning-map .learning-map-node-list.force-graph .learning-map-node > span {
  text-shadow: 0 1px 4px #0e1310, 0 0 7px #0e1310;
}

@media (max-width: 720px) {
  #view-learning-map .learning-map-node-list.force-graph .learning-map-node > span { font-size: 9px; max-width: 14em; }
  #view-learning-map .learning-map-node-list.force-graph .learning-map-node.kind-family > span { font-size: 11px; }
  #view-learning-map .learning-map-node-list.force-graph .learning-map-node.kind-root > span { font-size: 13px; }
}

/* Learning Map Immersive Graph V4
   保留 Obsidian 式微重力骨架，把筛选、标签和详情退到需要时再出现的层。 */
#view-learning-map .learning-map-studio {
  display: block;
  position: relative;
}
#view-learning-map .learning-map-canvas {
  min-height: 720px;
  border-radius: 18px;
  box-shadow: 0 16px 44px rgba(18, 27, 21, .045);
}
#view-learning-map .learning-map-viewport {
  height: 720px;
}

#view-learning-map .learning-map-scopebar {
  position: absolute;
  z-index: 35;
  top: 56px;
  right: 14px;
  left: auto;
  width: min(760px, calc(100% - 28px));
  margin: 0;
  padding: 14px;
  grid-template-columns: repeat(4, minmax(120px, 1fr)) auto;
  border: 1px solid color-mix(in srgb, var(--line) 74%, transparent);
  border-radius: 16px;
  background: color-mix(in srgb, var(--panel) 90%, transparent);
  box-shadow: 0 18px 52px rgba(18, 27, 21, .12);
  backdrop-filter: blur(24px) saturate(1.05);
}
#view-learning-map .learning-map-scopebar[hidden] { display: none !important; }
#view-learning-map .learning-map-scopebar-head {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 1px 2px 7px;
}
#view-learning-map .learning-map-scopebar-head strong {
  font-size: 11px;
  letter-spacing: .02em;
}
#view-learning-map .learning-map-scopebar-head .text-button { font-size: 10px; }

#view-learning-map .learning-map-canvas-toolbar {
  top: 12px;
  left: 12px;
  right: 12px;
}
#view-learning-map .learning-map-canvas-actions {
  margin-left: auto;
  padding: 4px;
  border: 1px solid color-mix(in srgb, var(--line) 64%, transparent);
  border-radius: 12px;
  background: color-mix(in srgb, var(--panel) 74%, transparent);
  box-shadow: 0 7px 24px rgba(20, 28, 23, .05);
  backdrop-filter: blur(16px);
}
#view-learning-map .learning-map-canvas-actions .graph-tool {
  min-width: 31px;
  min-height: 31px;
  padding: 6px 8px;
  border: 0;
  background: transparent;
  color: color-mix(in srgb, var(--ink) 74%, var(--muted));
  font-size: 9px;
  box-shadow: none;
}
#view-learning-map .learning-map-canvas-actions .graph-tool:hover,
#view-learning-map .learning-map-canvas-actions .graph-tool[aria-expanded="true"],
#view-learning-map .learning-map-canvas-actions .graph-tool[aria-pressed="true"] {
  background: color-mix(in srgb, var(--accent-soft) 55%, transparent);
  color: var(--ink);
}

/* 第一眼只保留最重要的标签。随着缩放和聚焦逐层展开。 */
#view-learning-map .learning-map-node-list.force-graph .learning-map-node.kind-leaf > span,
#view-learning-map .learning-map-node-list.force-graph .learning-map-node.kind-leaf > small {
  display: none;
}
#view-learning-map .learning-map-node-list.force-graph .learning-map-node.kind-leaf.label-important > span,
#view-learning-map .learning-map-node-list.force-graph.show-secondary-labels .learning-map-node.kind-leaf.label-secondary > span,
#view-learning-map .learning-map-node-list.force-graph.show-detail-labels .learning-map-node.kind-leaf > span,
#view-learning-map .learning-map-node-list.force-graph .learning-map-node.kind-leaf:hover > span,
#view-learning-map .learning-map-node-list.force-graph .learning-map-node.kind-leaf:focus-visible > span,
#view-learning-map .learning-map-node-list.force-graph .learning-map-node.kind-leaf.selected > span,
#view-learning-map .learning-map-node-list.force-graph .learning-map-node.kind-leaf.connected > span {
  display: block;
}
#view-learning-map .learning-map-node-list.force-graph.show-detail-labels .learning-map-node.kind-leaf > small,
#view-learning-map .learning-map-node-list.force-graph .learning-map-node.kind-leaf.selected > small {
  display: block;
}
#view-learning-map .learning-map-node-list.force-graph .learning-map-node.kind-leaf.label-important > span {
  color: color-mix(in srgb, var(--ink) 72%, var(--muted));
  font-weight: 610;
}
#view-learning-map .learning-map-node-list.force-graph .learning-map-node.kind-family > span {
  color: color-mix(in srgb, var(--ink) 86%, var(--muted));
  font-size: 12px;
}
#view-learning-map .learning-map-node-list.force-graph .learning-map-node.kind-root > span { font-size: 14px; }

/* 点与线更轻，让关系网先成形，文字后出现。 */
#view-learning-map .learning-map-node-list.force-graph .learning-map-node {
  padding: 2px 4px 2px 2px;
  gap: 6px;
}
#view-learning-map .learning-map-node-list.force-graph .learning-map-node:hover,
#view-learning-map .learning-map-node-list.force-graph .learning-map-node.selected {
  background: color-mix(in srgb, var(--panel) 69%, transparent);
  backdrop-filter: blur(10px);
}
#view-learning-map .learning-map-node-list.force-graph .learning-map-node i {
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--map-node-color, var(--accent)) 7%, transparent);
}
#view-learning-map .learning-map-edge { opacity: .22; stroke-width: .72; }
#view-learning-map .learning-map-edge.relation-hierarchy { opacity: .32; stroke-width: .82; }
#view-learning-map .learning-map-edge.relation-cooccurrence { opacity: .12; stroke-width: .62; }
#view-learning-map .learning-map-edge[data-strength="4"],
#view-learning-map .learning-map-edge[data-strength="5"],
#view-learning-map .learning-map-edge[data-strength="6"] { opacity: .34; stroke-width: .9; }
#view-learning-map .learning-map-edge.connected { opacity: .9; stroke-width: 1.25; }
#view-learning-map .learning-map-edge.dimmed { opacity: .018; }

/* 详情不再永久占右栏，只在点选节点后浮在图上。 */
#view-learning-map .learning-map-inspector {
  position: absolute;
  z-index: 32;
  top: 62px;
  right: 14px;
  bottom: 14px;
  width: min(330px, calc(100% - 28px));
  height: auto;
  max-height: calc(100% - 76px);
  padding: 20px;
  border: 1px solid color-mix(in srgb, var(--line) 72%, transparent);
  border-radius: 16px;
  background: color-mix(in srgb, var(--panel) 91%, transparent);
  box-shadow: 0 18px 52px rgba(16, 24, 18, .13);
  backdrop-filter: blur(24px) saturate(1.05);
  transform: translateX(calc(100% + 28px));
  opacity: 0;
  pointer-events: none;
  transition: transform .2s ease, opacity .16s ease;
}
#view-learning-map .learning-map-inspector.open {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}
#view-learning-map .learning-map-inspector-close {
  display: grid;
  place-items: center;
}
#view-learning-map .learning-map-inspector h3 { font-size: 21px; }
#view-learning-map .learning-map-inspector-stats { margin: 16px 0; }

/* 真全屏与 iOS/旧浏览器的固定层回退。 */
#learning-map-canvas:fullscreen,
#learning-map-canvas.pseudo-fullscreen {
  width: 100vw;
  height: 100dvh;
  min-height: 100dvh;
  border: 0;
  border-radius: 0;
  background-color: var(--panel);
}
#learning-map-canvas.pseudo-fullscreen {
  position: fixed;
  inset: 0;
  z-index: 1000;
}
html.map-pseudo-fullscreen,
html.map-pseudo-fullscreen body { overflow: hidden !important; }
html.map-pseudo-fullscreen .custom-select-menu { z-index: 1100; }
#learning-map-canvas:fullscreen .learning-map-viewport,
#learning-map-canvas.pseudo-fullscreen .learning-map-viewport {
  height: 100dvh;
  min-height: 100dvh;
}
#learning-map-canvas:fullscreen .learning-map-kpis,
#learning-map-canvas.pseudo-fullscreen .learning-map-kpis,
#learning-map-canvas:fullscreen .learning-map-compass,
#learning-map-canvas.pseudo-fullscreen .learning-map-compass,
#learning-map-canvas:fullscreen .learning-map-gesture-hint,
#learning-map-canvas.pseudo-fullscreen .learning-map-gesture-hint {
  display: none;
}
#learning-map-canvas:fullscreen .learning-map-canvas-actions,
#learning-map-canvas.pseudo-fullscreen .learning-map-canvas-actions {
  position: absolute;
  top: 2px;
  right: 2px;
  background: color-mix(in srgb, var(--panel) 58%, transparent);
  border-color: color-mix(in srgb, var(--line) 44%, transparent);
}
#learning-map-canvas:fullscreen #learning-map-reset-view,
#learning-map-canvas.pseudo-fullscreen #learning-map-reset-view { display: none; }
#learning-map-canvas:fullscreen #learning-map-filter-toggle,
#learning-map-canvas.pseudo-fullscreen #learning-map-filter-toggle {
  width: 31px;
  overflow: hidden;
  font-size: 0;
}
#learning-map-canvas:fullscreen #learning-map-filter-toggle::before,
#learning-map-canvas.pseudo-fullscreen #learning-map-filter-toggle::before {
  content: "筛";
  font-size: 10px;
}

@media (max-width: 1100px) and (orientation: portrait) {
  #view-learning-map .learning-map-inspector {
    top: auto;
    left: 12px;
    right: 12px;
    bottom: 12px;
    width: auto;
    max-height: min(46dvh, 460px);
    transform: translateY(calc(100% + 24px));
  }
  #view-learning-map .learning-map-inspector.open { transform: translateY(0); }
}

@media (max-width: 900px) {
  #view-learning-map .learning-map-canvas,
  #view-learning-map .learning-map-viewport { min-height: 620px; height: 620px; }
  #view-learning-map .learning-map-scopebar { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  #view-learning-map .learning-map-scopebar > .ghost { grid-column: 1 / -1; }
}

@media (max-width: 720px) {
  #view-learning-map .learning-map-topline { padding-bottom: 8px; }
  #view-learning-map .learning-map-scope-note { display: none; }
  #view-learning-map .learning-map-version-pill { margin-top: 2px; }
  #view-learning-map .learning-map-canvas,
  #view-learning-map .learning-map-viewport {
    min-height: min(74dvh, 680px);
    height: min(74dvh, 680px);
  }
  #view-learning-map .learning-map-kpis > span:nth-child(n+3) { display: none; }
  #view-learning-map .learning-map-canvas-actions { gap: 1px; }
  #view-learning-map .learning-map-canvas-actions #learning-map-filter-toggle,
  #view-learning-map .learning-map-canvas-actions #learning-map-fullscreen { font-size: 0; width: 31px; padding-inline: 0; }
  #view-learning-map .learning-map-canvas-actions #learning-map-filter-toggle::before { content: "筛"; font-size: 10px; }
  #view-learning-map .learning-map-canvas-actions #learning-map-fullscreen::before { content: "⛶"; font-size: 14px; }
  #view-learning-map .learning-map-canvas-actions #learning-map-fullscreen[aria-pressed="true"]::before { content: "×"; }
  #view-learning-map .learning-map-scopebar {
    top: 52px;
    right: 8px;
    width: calc(100% - 16px);
    grid-template-columns: 1fr 1fr;
    padding: 11px;
  }
  #view-learning-map .learning-map-inspector {
    top: auto;
    left: 8px;
    right: 8px;
    bottom: 8px;
    width: auto;
    max-height: min(52dvh, 430px);
    padding: 17px;
    border-radius: 17px;
    transform: translateY(calc(100% + 20px));
  }
  #view-learning-map .learning-map-inspector.open { transform: translateY(0); }
  #view-learning-map .learning-map-node-list.force-graph .learning-map-node.kind-leaf.label-important > span { font-size: 8.5px; }
}

@media (max-width: 460px) {
  #view-learning-map .learning-map-topline h2 { font-size: 24px; }
  #view-learning-map .learning-map-scopebar { grid-template-columns: 1fr; }
  #view-learning-map .learning-map-scopebar > .ghost { grid-column: auto; }
  #view-learning-map .learning-map-canvas,
  #view-learning-map .learning-map-viewport { min-height: calc(100dvh - 178px); height: calc(100dvh - 178px); }
}

/* Student projection overlay: public map stays the base world; student evidence
   only adds a temporary visual layer on top. */
.learning-map-toolbar-left {
  display: grid;
  gap: 7px;
  min-width: 0;
  pointer-events: auto;
}
.learning-map-subject-tabs {
  display: flex;
  align-items: center;
  gap: 3px;
  width: max-content;
  max-width: min(560px, calc(100vw - 360px));
  padding: 3px;
  overflow-x: auto;
  scrollbar-width: none;
  border: 1px solid color-mix(in srgb, var(--line) 70%, transparent);
  border-radius: 12px;
  background: color-mix(in srgb, var(--panel) 88%, transparent);
  box-shadow: 0 6px 22px rgba(16, 24, 19, .05);
  backdrop-filter: blur(16px);
}
.learning-map-subject-tabs::-webkit-scrollbar { display: none; }
.learning-map-subject-tab {
  min-width: 48px;
  padding: 7px 12px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 11px;
  white-space: nowrap;
  cursor: pointer;
}
.learning-map-subject-tab.active {
  background: var(--ink);
  color: var(--paper);
  font-weight: 700;
}
.learning-map-subject-select-field { display: none !important; }
@media (max-width: 720px) {
  .learning-map-subject-tabs { max-width: calc(100vw - 130px); }
  .learning-map-subject-tab {
    min-width: 44px;
    padding: 6px 9px;
    font-size: 10px;
  }
}
.learning-map-projection-context {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 7px;
  width: max-content;
  max-width: min(680px, calc(100vw - 360px));
  min-height: 34px;
  padding: 5px 7px;
  border: 1px solid color-mix(in srgb, var(--line) 70%, transparent);
  border-radius: 11px;
  background: color-mix(in srgb, var(--panel) 86%, transparent);
  box-shadow: 0 7px 24px rgba(16, 24, 19, .06);
  backdrop-filter: blur(16px);
}
.learning-map-projection-context[hidden],
.learning-map-projection-legend[hidden] { display: none !important; }
.learning-map-projection-person {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding-right: 8px;
  border-right: 1px solid var(--line-soft);
}
.learning-map-projection-person > i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 12%, transparent);
}
.learning-map-projection-person b { font-size: 10px; }
.learning-map-projection-person small,
.learning-map-projection-summary { color: var(--muted); font-size: 8px; }
.learning-map-projection-context .text-button { min-height: 25px; padding: 3px 5px; font-size: 8px; }

.learning-map-projection-legend {
  position: absolute;
  left: 14px;
  bottom: 14px;
  z-index: 8;
  display: flex;
  flex-wrap: wrap;
  gap: 5px 9px;
  max-width: min(600px, calc(100% - 28px));
  padding: 7px 9px;
  border: 1px solid color-mix(in srgb, var(--line) 65%, transparent);
  border-radius: 10px;
  background: color-mix(in srgb, var(--panel) 84%, transparent);
  backdrop-filter: blur(14px);
  color: var(--muted);
  font-size: 8px;
  pointer-events: none;
}
.learning-map-projection-legend span { display: inline-flex; align-items: center; gap: 4px; }
.learning-map-projection-legend i,
.learning-map-student-insight-head i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--projection-color, var(--muted));
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--projection-color, var(--muted)) 14%, transparent);
}
.projection-needs_attention { --projection-color: #c85f59; }
.projection-unstable { --projection-color: #c88a4b; }
.projection-improving { --projection-color: #668cb5; }
.projection-supported { --projection-color: #5f9270; }
.projection-observed_uncertain { --projection-color: #908d84; }
.projection-unmeasured { --projection-color: #aaa9a2; }

#view-learning-map .learning-map-node-list.force-graph .learning-map-node[class*="projection-"] i {
  border-color: color-mix(in srgb, var(--projection-color) 78%, white 22%);
  background: color-mix(in srgb, var(--projection-color) 78%, var(--panel));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--projection-color) 11%, transparent), 0 0 15px color-mix(in srgb, var(--projection-color) 14%, transparent);
}
#view-learning-map .learning-map-node-list.force-graph .learning-map-node.projection-needs_attention,
#view-learning-map .learning-map-node-list.force-graph .learning-map-node.projection-unstable,
#view-learning-map .learning-map-node-list.force-graph .learning-map-node.projection-improving,
#view-learning-map .learning-map-node-list.force-graph .learning-map-node.projection-supported,
#view-learning-map .learning-map-node-list.force-graph .learning-map-node.projection-observed_uncertain,
#view-learning-map .learning-map-node-list.force-graph .learning-map-node.projection-unmeasured { color: color-mix(in srgb, var(--ink) 86%, var(--projection-color)); }
#view-learning-map .learning-map-node-list.force-graph .learning-map-node.projection-needs_attention { --projection-color: #c85f59; }
#view-learning-map .learning-map-node-list.force-graph .learning-map-node.projection-unstable { --projection-color: #c88a4b; }
#view-learning-map .learning-map-node-list.force-graph .learning-map-node.projection-improving { --projection-color: #668cb5; }
#view-learning-map .learning-map-node-list.force-graph .learning-map-node.projection-supported { --projection-color: #5f9270; }
#view-learning-map .learning-map-node-list.force-graph .learning-map-node.projection-observed_uncertain { --projection-color: #908d84; }
#view-learning-map .learning-map-node-list.force-graph .learning-map-node.projection-unmeasured { --projection-color: #aaa9a2; opacity: .48; }
#view-learning-map .learning-map-node-list.force-graph .learning-map-node.projection-needs_attention i,
#view-learning-map .learning-map-node-list.force-graph .learning-map-node.projection-unstable i {
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--projection-color) 13%, transparent), 0 0 22px color-mix(in srgb, var(--projection-color) 28%, transparent);
}

.learning-map-student-insight {
  --projection-color: var(--muted);
  display: grid;
  gap: 10px;
  margin: 16px 0 2px;
  padding: 13px;
  border: 1px solid color-mix(in srgb, var(--projection-color) 32%, var(--line));
  border-radius: 14px;
  background: color-mix(in srgb, var(--projection-color) 7%, var(--panel));
}
.learning-map-student-insight.projection-needs_attention { --projection-color: #c85f59; }
.learning-map-student-insight.projection-unstable { --projection-color: #c88a4b; }
.learning-map-student-insight.projection-improving { --projection-color: #668cb5; }
.learning-map-student-insight.projection-supported { --projection-color: #5f9270; }
.learning-map-student-insight.projection-observed_uncertain { --projection-color: #908d84; }
.learning-map-student-insight.projection-unmeasured { --projection-color: #aaa9a2; }
.learning-map-student-insight-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.learning-map-student-insight-head > span { display: inline-flex; align-items: center; gap: 6px; font-size: 10px; font-weight: 720; }
.learning-map-student-insight-head b { color: var(--muted); font-size: 8px; }
.learning-map-student-insight-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; overflow: hidden; border-radius: 9px; background: var(--line-soft); }
.learning-map-student-insight-stats span { display: grid; gap: 2px; padding: 8px; background: color-mix(in srgb, var(--panel) 92%, transparent); }
.learning-map-student-insight-stats strong { font-size: 14px; }
.learning-map-student-insight-stats small { color: var(--muted); font-size: 7px; }
.learning-map-student-signals { display: flex; flex-wrap: wrap; gap: 5px; align-items: center; }
.learning-map-student-signals > span,
.learning-map-student-recent > span,
.learning-map-next-verification > span { color: var(--muted); font-size: 8px; font-weight: 700; }
.learning-map-student-signals b { padding: 3px 6px; border-radius: 999px; background: color-mix(in srgb, var(--projection-color) 10%, var(--paper-muted)); font-size: 8px; font-weight: 600; }
.learning-map-next-verification { display: grid; gap: 4px; margin: 0; font-size: 10px; line-height: 1.55; }
.learning-map-student-recent { display: grid; gap: 5px; }
.learning-map-student-recent article { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 7px; align-items: start; padding-top: 6px; border-top: 1px solid var(--line-soft); }
.learning-map-student-recent article b { font-size: 8px; }
.learning-map-student-recent article p { margin: 0; color: var(--muted); font-size: 8px; line-height: 1.45; }
.learning-map-student-recent article small { color: var(--muted); font-size: 7px; }
.learning-map-student-find { width: 100%; margin-top: 2px; }

.learning-map-canvas.has-student-projection .learning-map-compass { display: none; }
.learning-map-canvas.map-fullscreen.has-student-projection .learning-map-projection-context { max-width: min(720px, calc(100vw - 330px)); }

@media (max-width: 720px) {
  .learning-map-projection-context { max-width: calc(100vw - 118px); gap: 4px; padding: 4px 6px; }
  .learning-map-projection-summary { display: none; }
  .learning-map-projection-person small { display: none; }
  .learning-map-projection-context .text-button { padding-inline: 3px; }
  .learning-map-projection-legend { left: 8px; right: 8px; bottom: 8px; max-width: none; justify-content: center; }
  .learning-map-projection-legend span { font-size: 7px; }
  .learning-map-student-insight { margin-top: 13px; padding: 11px; }
}