:root {
  --ink: #13283f;
  --ink-soft: #5f7182;
  --ink-faint: #8896a4;
  --line: #dce4ea;
  --line-strong: #cbd6df;
  --paper: #ffffff;
  --canvas: #f3f6f8;
  --canvas-deep: #e8eef2;
  --navy: #13283f;
  --blue: #176f95;
  --blue-soft: #e2f1f6;
  --green: #218257;
  --amber: #ad6905;
  --amber-soft: #fff5df;
  --red: #ba3e3e;
  --red-soft: #fff0ef;
  --purple: #7658a8;
  --shadow: 0 12px 32px rgba(24, 52, 73, .07);
  --sans: Inter, "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

* { box-sizing: border-box; }
html, body, #app { min-height: 100%; }
body { margin: 0; background: var(--canvas); color: var(--ink); font: 14px/1.55 var(--sans); }
button, input, select, textarea { font: inherit; }
button { color: inherit; }
button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 3px solid rgba(23, 111, 149, .22); outline-offset: 1px; }

.app-shell { min-height: 100vh; display: grid; grid-template-columns: 228px minmax(0, 1fr); }
.sidebar { background: var(--navy); color: #d9e7ed; padding: 26px 15px 18px; display: flex; flex-direction: column; position: sticky; height: 100vh; top: 0; }
.logo { display: flex; align-items: center; gap: 10px; color: white; text-decoration: none; padding: 0 10px 30px; }
.logo-mark { display: grid; place-items: center; width: 35px; height: 35px; border: 1px solid rgba(255,255,255,.7); border-radius: 50%; font-size: 18px; font-family: serif; }
.logo strong { display: block; font-size: 17px; letter-spacing: .04em; }
.logo small { display: block; color: #9bb2c1; font-size: 8px; letter-spacing: .15em; margin-top: 1px; }
.primary-nav { display: grid; gap: 5px; }
.primary-nav button { display: flex; width: 100%; align-items: center; gap: 11px; padding: 11px 12px; border: 0; background: transparent; color: #b8cbd6; cursor: pointer; border-radius: 7px; text-align: left; transition: .16s ease; }
.primary-nav button > span { width: 17px; color: #91b1c0; font-size: 17px; text-align: center; }
.primary-nav button:hover { color: white; background: rgba(255,255,255,.07); }
.primary-nav button.active { color: white; background: #24526e; box-shadow: inset 3px 0 #a5d7e9; }
.primary-nav b { margin-left: auto; min-width: 19px; padding: 0 5px; border-radius: 12px; background: #eab35e; color: #352508; font-size: 11px; text-align: center; }
.sidebar-footer { margin-top: auto; display: grid; gap: 7px; color: #90a9b8; padding: 12px 10px 0; border-top: 1px solid rgba(255,255,255,.12); font-size: 11px; }
.live-dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: #6ed09f; margin-right: 5px; }
.logout-button { width: max-content; padding: 0; border: 0; color: #b6ced9; background: transparent; font: inherit; cursor: pointer; }.logout-button:hover { color: white; text-decoration: underline; }

.main { min-width: 0; }
.sidebar-toggle { position: fixed; z-index: 20; top: 13px; left: 240px; padding: 5px 8px; border: 1px solid var(--line-strong); border-radius: 6px; background: rgba(255,255,255,.92); color: var(--ink-soft); box-shadow: 0 2px 8px rgba(24,52,73,.08); font-size: 11px; font-weight: 700; cursor: pointer; }
.app-shell.sidebar-collapsed { grid-template-columns: 0 minmax(0, 1fr); }
.app-shell.sidebar-collapsed .sidebar { width: 0; min-width: 0; padding: 0; overflow: hidden; opacity: 0; pointer-events: none; }
.app-shell.sidebar-collapsed .sidebar-toggle { left: 12px; }
.page { width: min(1440px, 100%); min-height: 100vh; margin: 0 auto; padding: 38px 42px 56px; }
.page-head, .review-head { display: flex; justify-content: space-between; gap: 28px; align-items: flex-end; margin-bottom: 25px; }
.page-head h1, .review-head h1 { margin: 2px 0 5px; letter-spacing: -.03em; font-size: 29px; line-height: 1.25; }
.page-head p:not(.eyebrow), .review-head p:not(.eyebrow) { color: var(--ink-soft); margin: 0; }
.eyebrow { margin: 0; color: var(--blue); letter-spacing: .13em; font-weight: 800; font-size: 10px; }
.headline-stat { flex: 0 0 auto; min-width: 104px; background: var(--paper); border: 1px solid var(--line); box-shadow: var(--shadow); border-radius: 10px; padding: 11px 17px; text-align: center; }
.headline-stat strong { display: block; font-size: 25px; line-height: 1.05; font-variant-numeric: tabular-nums; }
.headline-stat span { color: var(--ink-soft); font-size: 11px; }
.headline-actions { display: flex; align-items: center; gap: 10px; }

.filters-card { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; padding: 12px; border: 1px solid var(--line); background: var(--paper); border-radius: 10px; box-shadow: 0 3px 12px rgba(24, 52, 73, .025); }
.filters-card select, .review-controls select, .field-group input, .field-group select, .field-group textarea { width: 100%; border: 1px solid var(--line-strong); border-radius: 6px; background: white; color: var(--ink); }
.filters-card select { width: auto; max-width: 210px; padding: 8px 27px 8px 9px; }
.search-box { display: flex; align-items: center; flex: 1 1 270px; min-width: 180px; gap: 8px; padding: 0 10px; border: 1px solid var(--line-strong); border-radius: 6px; color: var(--ink-faint); }
.search-box input { flex: 1; min-width: 0; padding: 8px 0; border: 0; outline: 0; color: var(--ink); background: transparent; }
.search-box:focus-within { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(23, 111, 149, .12); }
.taxonomy-cascader { display: grid; grid-template-columns: repeat(3, minmax(118px, 1fr)); flex: 1 1 430px; min-width: 360px; gap: 6px; }
.filters-card .taxonomy-cascader select { width: 100%; max-width: none; min-width: 0; }
.taxonomy-cascader select:disabled { color: var(--ink-faint); background: #f5f7f8; cursor: not-allowed; }

.button { border: 1px solid var(--blue); border-radius: 6px; padding: 8px 13px; background: var(--blue); color: white; font-weight: 650; font-size: 13px; white-space: nowrap; cursor: pointer; transition: .16s ease; }
.button:hover { filter: brightness(.94); transform: translateY(-1px); }
.button:disabled { opacity: .55; cursor: wait; transform: none; }
.button.secondary { background: white; color: var(--blue); border-color: #8eb7c8; }
.button.ghost { color: var(--ink-soft); background: transparent; border-color: transparent; }
.button.approve { background: var(--green); border-color: var(--green); }
.button.danger { background: white; color: var(--red); border-color: #e9abaa; }
.button.small { padding: 6px 10px; font-size: 12px; }
.button.tiny { padding: 5px 8px; font-size: 12px; }

.question-table { overflow: hidden; border: 1px solid var(--line); background: var(--paper); border-radius: 10px; box-shadow: var(--shadow); }
.table-caption, .question-row { display: grid; grid-template-columns: minmax(480px, 2.8fr) minmax(160px, .85fr) 88px; align-items: center; gap: 15px; }
.table-caption { padding: 9px 18px; color: var(--ink-faint); background: #f9fbfc; border-bottom: 1px solid var(--line); font-size: 11px; font-weight: 700; letter-spacing: .03em; }
.table-caption span:first-child { padding-left: 43px; }
.question-row { width: 100%; min-height: 136px; padding: 15px 18px; border: 0; border-bottom: 1px solid #edf1f3; background: white; text-align: left; transition: background .13s ease; }
.question-row:last-child { border-bottom: 0; }
.question-row:hover { background: #f5fafc; }
.question-primary { min-width: 0; }
.question-open { min-width: 0; padding: 0; border: 0; background: transparent; color: inherit; text-align: left; cursor: pointer; }
.question-open:hover strong { color: var(--blue); }
.question-number { display: inline-grid; place-items: center; width: 29px; height: 29px; margin-right: 11px; border-radius: 50%; background: var(--canvas-deep); color: var(--blue); font-family: var(--mono); font-weight: 700; font-size: 12px; }
.question-main { display: flex; align-items: center; min-width: 0; }
.question-copy { display: block; min-width: 0; }
.question-main strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--blue); font-size: 12px; }
.question-main small { display: block; overflow: hidden; margin-top: 6px; color: var(--ink-faint); font-family: var(--mono); font-size: 10px; text-overflow: ellipsis; white-space: nowrap; }
.question-copy em { display: -webkit-box; overflow: hidden; margin-top: 5px; color: var(--ink); font-size: 14px; font-style: normal; line-height: 1.58; -webkit-line-clamp: 4; -webkit-box-orient: vertical; }
.row-tags { display: flex; flex-wrap: wrap; gap: 4px; }
.tag { display: inline-block; padding: 3px 6px; border-radius: 4px; color: #4b6472; background: #edf3f6; font-size: 11px; line-height: 1.35; }
.tag.primary { background: var(--blue-soft); color: #125d7e; font-weight: 700; }
.question-actions { display: flex; margin: 12px 0 0 40px; }
.question-actions .selected { color: var(--green); border-color: #a8d6bc; background: #eff9f3; }
.status-pill { display: inline-flex; justify-content: center; width: max-content; padding: 3px 8px; border-radius: 20px; background: #edf1f4; color: #587080; font-size: 11px; font-weight: 700; white-space: nowrap; }
.status-pill.pending { color: var(--amber); background: var(--amber-soft); }
.status-pill.approved { color: var(--green); background: #e4f5ec; }
.status-pill.skipped { color: var(--purple); background: #f0ebfb; }
.status-pill.needs_fix { color: var(--red); background: var(--red-soft); }
.muted { color: var(--ink-faint); font-size: 12px; }

/* Question-bank cards deliberately use the compiled question-only PDF.  The
   review workspace continues to use its separate full (question + answer)
   preview, so reading a card never changes review typography or page scale. */
.question-card-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; align-items: start; }
.question-card { min-width: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 10px; background: var(--paper); box-shadow: var(--shadow); }
.question-card-head, .question-card-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 11px 13px; }
.question-card-head { border-bottom: 1px solid var(--line); background: #fbfcfd; }
.question-card-head > div { display: flex; min-width: 0; align-items: baseline; gap: 8px; }
.question-card-number { flex: 0 0 auto; color: var(--blue); font-family: var(--mono); font-size: 12px; font-weight: 800; }
.question-card-type { overflow: hidden; color: var(--ink-soft); font-size: 12px; text-overflow: ellipsis; white-space: nowrap; }
.question-card-preview { display: block; width: 100%; min-height: 210px; padding: 0; border: 0; background: white; color: inherit; cursor: pointer; text-align: left; }
.question-card-preview:hover { background: #f7fbfc; }
.question-card-preview:focus-visible { position: relative; z-index: 1; outline-offset: -3px; }
.library-preview-loading, .library-preview-error { display: flex; min-height: 210px; align-items: center; justify-content: center; padding: 18px; color: var(--ink-soft); font-size: 12px; text-align: center; }
.library-preview-loading::before { content: ""; width: 16px; height: 16px; margin-right: 8px; border: 2px solid #c8d8df; border-top-color: var(--blue); border-radius: 50%; animation: spin .7s linear infinite; }
.library-preview-error { color: var(--red); background: #fffafa; }
.library-preview-pages { display: grid; gap: 8px; padding: 12px; background: #edf1f3; }
.library-preview-pages img { display: block; width: 100%; height: auto; background: white; box-shadow: 0 1px 5px rgba(24,52,73,.12); }
.question-card-foot { min-height: 51px; border-top: 1px solid var(--line); background: white; }
.question-card-tags { display: flex; min-width: 0; flex-wrap: wrap; gap: 4px; }
.question-card-actions { display: flex; flex: 0 0 auto; align-items: center; gap: 7px; }
.question-card-foot .selected { color: var(--green); border-color: #a8d6bc; background: #eff9f3; }

.paper-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 16px; }
.paper-card { display: flex; flex-direction: column; min-height: 220px; padding: 18px; border: 1px solid var(--line); border-radius: 10px; background: var(--paper); box-shadow: var(--shadow); }
.paper-card-top, .progress-copy, .paper-actions { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.paper-icon { display: grid; place-items: center; width: 35px; height: 35px; border-radius: 8px; background: var(--blue-soft); color: var(--blue); font-size: 18px; }
.paper-card h2 { min-height: 48px; margin: 18px 0 3px; font-size: 17px; line-height: 1.4; }
.paper-card p { margin: 0 0 17px; color: var(--ink-soft); font-size: 12px; }
.progress { height: 6px; overflow: hidden; border-radius: 8px; background: #eaf0f3; }
.progress span { display: block; height: 100%; border-radius: inherit; background: var(--green); }
.progress-copy { margin: 6px 0 auto; color: var(--ink-soft); font-size: 11px; }
.progress-copy strong { color: var(--ink); }
.paper-actions { margin-top: 16px; justify-content: flex-start; }

.exam-builder { display: grid; grid-template-columns: minmax(260px, .7fr) minmax(0, 1.3fr); gap: 16px; align-items: start; }
.exam-settings, .exam-basket, .exam-result { padding: 17px; border: 1px solid var(--line); border-radius: 10px; background: var(--paper); box-shadow: var(--shadow); }
.exam-settings { position: sticky; top: 20px; }
.exam-groups { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.exam-question { display: flex; justify-content: space-between; gap: 14px; padding: 12px 0; border-bottom: 1px solid #edf1f3; }
.exam-question:last-child { border-bottom: 0; }
.exam-question > div { min-width: 0; }
.exam-question strong, .exam-question small { display: block; }
.exam-question strong { font-size: 12px; }
.exam-question small { margin-top: 2px; color: var(--ink-faint); font: 10px var(--mono); }
.exam-question p { display: -webkit-box; overflow: hidden; margin: 5px 0; color: var(--ink-soft); font-size: 12px; line-height: 1.45; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.exam-question .button { align-self: flex-start; }
.exam-result { margin-top: 16px; }
.exam-result > div:first-child strong, .exam-result > div:first-child span { display: block; }
.exam-result > div:first-child span { margin-top: 3px; color: var(--ink-soft); font-size: 12px; }
.exam-result iframe { display: block; width: 100%; height: 72vh; min-height: 510px; margin-top: 14px; border: 1px solid var(--line); border-radius: 7px; background: #5e6870; }

.workflow-note { display: flex; gap: 11px; align-items: flex-start; margin: -8px 0 18px; padding: 12px 14px; border: 1px solid #b7dce9; border-radius: 9px; background: #f1f9fc; color: #376071; }.workflow-note strong { color: var(--blue); white-space: nowrap; }.workflow-note span { font-size: 13px; }
.tool-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; align-items: start; }.tools-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.tool-card { min-width: 0; padding: 17px; border: 1px solid var(--line); border-radius: 10px; background: var(--paper); box-shadow: var(--shadow); }.tool-card .section-title { margin-bottom: 3px; }.card-copy { margin: 11px 0; color: var(--ink-soft); font-size: 13px; }.card-actions { display: flex; justify-content: flex-end; flex-wrap: wrap; gap: 8px; margin-top: 15px; }.field-hint { display: block; margin-top: 4px; color: var(--ink-faint); font-size: 10px; }.check-line { display: flex; gap: 7px; align-items: flex-start; margin-top: 13px; color: var(--ink-soft); font-size: 12px; }.check-line input { margin-top: 3px; }.agent-card pre { overflow-x: auto; margin: 12px 0; padding: 10px; border: 1px solid #d7e2e8; border-radius: 6px; background: #f6f9fa; color: #365061; font: 11px/1.55 var(--mono); white-space: pre-wrap; word-break: break-all; }.text-link { color: var(--blue); font-size: 12px; font-weight: 700; text-decoration: none; }.text-link:hover { text-decoration: underline; }.quality-result { margin-top: 12px; }.quality-summary { padding: 8px 10px; border-radius: 6px; background: #f2f6f8; color: var(--ink-soft); font-size: 12px; }.quality-ok { margin-top: 8px; color: var(--green); font-weight: 700; }.quality-issues { display: grid; gap: 8px; margin-top: 8px; }.quality-issues section { padding: 9px 10px; border-left: 3px solid var(--amber); border-radius: 0 6px 6px 0; background: #fffaf0; }.quality-issues strong { font-size: 12px; }.quality-issues p { display: flex; gap: 6px; margin: 4px 0 0; color: var(--ink-soft); font-size: 11px; }.quality-question { color: var(--ink); font-weight: 700; }.quality-issues small { color: var(--ink-faint); }

.mode-switch { display: flex; padding: 3px; border: 1px solid var(--line-strong); border-radius: 8px; background: white; }
.mode-button { border: 0; border-radius: 5px; padding: 7px 12px; background: transparent; color: var(--ink-soft); font-size: 13px; cursor: pointer; }
.mode-button.active { background: var(--navy); color: white; box-shadow: 0 2px 4px rgba(19,40,63,.2); }
.review-head { margin-bottom: 14px; }
.review-controls { display: flex; align-items: flex-end; flex-wrap: wrap; gap: 9px; margin-bottom: 8px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 10px; background: white; }
.review-controls label { display: grid; gap: 4px; min-width: 220px; color: var(--ink-soft); font-size: 11px; font-weight: 700; }
.review-controls select { min-width: 220px; padding: 7px 9px; font-size: 13px; font-weight: 400; }
.review-controls .button { margin-left: auto; }
.review-body { display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: 10px; min-height: calc(100vh - 218px); }
.review-body.preview-focus { grid-template-columns: 0 minmax(0, 1fr); gap: 0; }
.review-queue { overflow: hidden; align-self: stretch; border: 1px solid var(--line); border-radius: 10px; background: white; box-shadow: var(--shadow); }
.review-body.preview-focus .review-queue { display: none; }
.queue-heading { display: flex; justify-content: space-between; align-items: baseline; padding: 13px 13px 10px; border-bottom: 1px solid var(--line); }
.queue-heading strong { font-size: 13px; }
.queue-heading span { color: var(--ink-faint); font-size: 10px; }
#queue-list { max-height: calc(100vh - 240px); overflow-y: auto; }
.review-queue .queue-heading { display: none; }
.review-queue-item { display: flex; width: 100%; gap: 9px; align-items: center; padding: 9px 11px; border: 0; border-bottom: 1px solid #edf1f3; background: white; text-align: left; cursor: pointer; }
.review-queue-item.compact { min-height: 54px; justify-content: center; flex-direction: column; gap: 4px; padding: 7px; }
.review-queue-item:hover { background: #f7fbfc; }
.review-queue-item.selected { background: var(--blue-soft); box-shadow: inset 3px 0 var(--blue); }
.review-queue-item > span { display: grid; place-items: center; flex: 0 0 24px; width: 24px; height: 24px; border-radius: 50%; background: #edf2f4; color: var(--blue); font-family: var(--mono); font-size: 10px; font-weight: 700; }
.review-queue-item div { min-width: 0; flex: 1; }
.review-queue-item strong, .review-queue-item small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.review-queue-item strong { font-size: 11px; }
.review-queue-item small { color: var(--ink-faint); font-size: 9px; font-family: var(--mono); }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: #c9d2d9; }
.status-dot.pending { background: #e6a731; }.status-dot.approved { background: #57a77e; }.status-dot.skipped { background: #9a7ec6; }
.review-detail { min-width: 0; min-height: 0; }
.review-workspace { display: grid; grid-template-columns: minmax(390px, 1.45fr) minmax(360px, .9fr); height: calc(100vh - 218px); min-height: 600px; overflow: hidden; border: 1px solid var(--line); border-radius: 10px; background: white; box-shadow: var(--shadow); }
.review-workspace.preview-focus { grid-template-columns: minmax(0, 1fr) 0; }
.review-workspace.preview-focus .editor-pane { display: none; }
.preview-pane { display: flex; min-width: 0; min-height: 0; flex-direction: column; background: #e9edf0; border-right: 1px solid var(--line); }
.preview-toolbar { display: flex; min-height: 42px; align-items: center; justify-content: space-between; gap: 7px; padding: 5px 8px; background: white; border-bottom: 1px solid var(--line); }
.preview-toolbar > div:first-child { min-width: 0; flex: 0 1 auto; }
.preview-toolbar strong, .preview-toolbar small { display: block; }
.preview-toolbar strong { overflow: hidden; font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }.preview-toolbar small { display: none; }
.preview-pane iframe { display: block; width: 100%; min-height: 0; flex: 1; border: 0; background: #5e6870; }
.preview-actions { display: flex; min-width: 0; flex: 1 1 auto; align-items: center; justify-content: flex-end; flex-wrap: nowrap; gap: 4px; white-space: nowrap; }.preview-tabs { display: inline-flex; flex: 0 1 auto; padding: 2px; border: 1px solid var(--line-strong); border-radius: 6px; background: #f7fafb; }.preview-tab { padding: 3px 5px; border: 0; border-radius: 4px; background: transparent; color: var(--ink-soft); font-size: 10px; cursor: pointer; }.preview-actions .text-link { flex: 0 0 auto; padding: 3px; font-size: 0; }.preview-actions .text-link::after { content: "下载"; font-size: 10px; }.preview-actions .button { flex: 0 0 auto; padding: 5px 7px; font-size: 11px; }.preview-tab.active { background: white; color: var(--blue); box-shadow: 0 1px 3px rgba(19,40,63,.12); font-weight: 700; }.comparison-frames { display: grid; grid-template-columns: 1fr 1fr; flex: 1; min-height: 0; gap: 1px; background: var(--line); }.comparison-frames > div { display: flex; min-width: 0; flex-direction: column; background: #e9edf0; }.comparison-frames small { padding: 5px 8px; background: white; color: var(--ink-soft); font-size: 10px; font-weight: 700; }.comparison-frames iframe { min-height: 0; }
.raster-document { display: flex; min-height: 0; flex: 1; flex-direction: column; background: white; }
.raster-page { min-height: 0; flex: 1; overflow: auto; background: white; }
.raster-page img { display: block; width: 100%; height: auto; background: white; }
.raster-document.continuous { display: block; overflow-y: auto; background: white; }
.raster-pages { display: grid; gap: 12px; }
.raster-document.continuous .raster-page { position: relative; min-height: 0; overflow: visible; box-shadow: 0 1px 0 var(--line), 0 5px 12px rgba(24, 52, 73, .08); }
.raster-document.continuous .raster-page img { width: 100%; height: auto; }
.raster-document.continuous .raster-page small { position: absolute; right: 8px; bottom: 7px; padding: 2px 5px; border-radius: 4px; background: rgba(255,255,255,.88); color: var(--ink-faint); font: 10px var(--mono); }
.raster-controls { display: flex; flex: 0 0 auto; align-items: center; justify-content: center; gap: 8px; padding: 6px; border-top: 1px solid var(--line); background: white; color: var(--ink-soft); font: 11px var(--mono); }
.raster-controls .icon-button { width: 24px; height: 24px; }
.comparison-raster { display: grid; grid-template-columns: 1fr 1fr; min-height: 0; flex: 1; gap: 1px; background: var(--line); }
.comparison-raster > section { display: flex; min-width: 0; min-height: 0; flex-direction: column; background: white; }
.comparison-raster > section > small { padding: 5px 8px; background: white; color: var(--ink-soft); font-size: 10px; font-weight: 700; }
.editor-pane { display: flex; min-width: 0; min-height: 0; flex-direction: column; background: white; }
.question-strip { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 10px 16px; border-bottom: 1px solid var(--line); }
.question-strip h2, .question-strip small { display: none; }
.question-strip .eyebrow { display: flex; align-items: center; gap: 6px; }
.question-strip .status-dot { display: inline-block; margin-left: 2px; }
.pager { display: flex; align-items: center; gap: 5px; color: var(--ink-soft); font-family: var(--mono); font-size: 11px; }
.icon-button { display: grid; place-items: center; width: 27px; height: 27px; border: 1px solid var(--line-strong); border-radius: 5px; background: white; cursor: pointer; }
.icon-button:hover { background: var(--blue-soft); color: var(--blue); }
.review-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 7px; padding: 10px 16px; border-bottom: 1px solid var(--line); background: #fbfcfd; }
.current-status { margin-left: auto; color: var(--ink-soft); font-size: 11px; }
.editor-scroll { flex: 1; overflow-y: auto; padding: 14px 16px 28px; }
.source-card, .figure-card, .metadata-card { border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: #fff; }
.figure-card, .metadata-card { margin-top: 13px; padding: 14px; }
.section-title { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; margin-bottom: 9px; }
.source-card .section-title { margin: 0; padding: 10px 12px; border-bottom: 1px solid var(--line); background: #f8fafb; }
.section-title span { font-size: 12px; font-weight: 800; }.section-title small { color: var(--ink-faint); font-family: var(--mono); font-size: 10px; }
#tex-editor { display: block; width: 100%; min-height: 300px; resize: vertical; padding: 12px; border: 0; color: #24384a; background: #fcfdfe; font: 12px/1.62 var(--mono); tab-size: 2; }
.source-actions, .metadata-actions { display: flex; justify-content: flex-end; gap: 7px; padding: 10px 12px; border-top: 1px solid var(--line); background: #f8fafb; }
.metadata-actions { padding: 11px 0 0; border-top: 0; background: transparent; }
.figure-card > p { margin: 2px 0 10px; color: var(--ink-soft); font-size: 12px; }.figure-card code { font: 11px/1.5 var(--mono); }.figure-upload-row { display: flex; align-items: center; gap: 8px; }.figure-upload-row input { min-width: 0; flex: 1; color: var(--ink-soft); font-size: 12px; }.figure-list { display: grid; gap: 7px; margin: 12px 0 0; padding: 0; list-style: none; }.figure-list li { display: grid; grid-template-columns: minmax(0, .75fr) minmax(0, 1.45fr) auto; align-items: center; gap: 7px; padding: 7px 8px; border: 1px solid #e5ecef; border-radius: 6px; background: #f9fbfc; }.figure-list code { min-width: 0; overflow: hidden; color: #405a69; text-overflow: ellipsis; white-space: nowrap; }
.meta-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.field-group { margin-top: 11px; }.meta-grid .field-group { margin-top: 0; }
.field-group label { display: block; margin-bottom: 4px; color: var(--ink-soft); font-size: 11px; font-weight: 800; }
.field-group input, .field-group select { height: 33px; padding: 5px 8px; }.field-group textarea { display: block; padding: 7px 8px; resize: vertical; line-height: 1.45; }
.edit-tags { display: flex; flex-wrap: wrap; gap: 5px; min-height: 27px; padding: 5px; border: 1px solid var(--line-strong); border-radius: 6px 6px 0 0; background: #fbfcfd; }
.edit-tag { display: inline-flex; align-items: center; gap: 4px; padding: 3px 5px; border-radius: 4px; background: #edf2f4; color: #4d6470; font: 12px/1.35 var(--sans); }.edit-tag.primary { color: #0b668a; background: var(--blue-soft); }
.edit-tag button { padding: 0; border: 0; color: inherit; background: transparent; line-height: 1; cursor: pointer; }.edit-tag button:hover { color: var(--red); }
.tag-add { display: flex; gap: 5px; padding: 6px; border: 1px solid var(--line-strong); border-top: 0; border-radius: 0 0 6px 6px; background: white; }.tag-add input { min-width: 0; border: 0; outline: 0; }
.taxonomy-tag-add { align-items: stretch; }.taxonomy-tag-add .taxonomy-cascader { grid-template-columns: repeat(3, minmax(0, 1fr)); min-width: 0; flex: 1 1 auto; }.taxonomy-tag-add .taxonomy-cascader select { width: 100%; min-width: 0; padding: 5px 7px; border: 1px solid var(--line-strong); border-radius: 5px; color: var(--ink); background: white; font-size: 11px; }

.loading, .empty { display: flex; min-height: 160px; padding: 28px; justify-content: center; align-items: center; flex-direction: column; gap: 5px; color: var(--ink-soft); text-align: center; }
.loading::before { content: ""; width: 17px; height: 17px; border: 2px solid #c8d8df; border-top-color: var(--blue); border-radius: 50%; animation: spin .7s linear infinite; }
.empty strong { color: var(--ink); font-size: 15px; }.empty.compact { min-height: 90px; padding: 14px; font-size: 12px; }.empty.error strong { color: var(--red); }
.toast-region { position: fixed; z-index: 100; top: 20px; right: 20px; display: grid; gap: 8px; max-width: min(360px, calc(100vw - 32px)); }
.toast { padding: 11px 14px; border: 1px solid #a5d9bb; border-radius: 7px; background: #effaf3; color: #176340; box-shadow: 0 12px 28px rgba(21, 51, 70, .15); font-size: 13px; animation: in .22s ease both; }.toast.error { background: #fff2f0; border-color: #efbbb5; color: #a33632; }.toast.info { background: #f0f7fa; border-color: #bddce7; color: #21647d; }

.login-body { min-height: 100vh; background: radial-gradient(circle at 16% 14%, #285c78 0, #13283f 43%, #0d1e30 100%); }.login-shell { display: grid; min-height: 100vh; place-items: center; padding: 24px; }.login-card { width: min(430px, 100%); padding: 36px; border: 1px solid rgba(255,255,255,.16); border-radius: 15px; background: rgba(255,255,255,.98); box-shadow: 0 24px 70px rgba(0,0,0,.26); }.login-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 29px; }.login-brand .logo-mark { flex: 0 0 auto; border-color: var(--ink); color: var(--ink); }.login-brand strong { display: block; font-size: 20px; letter-spacing: .04em; }.login-brand small { display: block; margin-top: 2px; color: var(--ink-faint); font-size: 9px; letter-spacing: .14em; }.login-card h1 { margin: 0 0 7px; font-size: 25px; letter-spacing: -.03em; }.login-card > p { margin: 0 0 24px; color: var(--ink-soft); }.login-form { display: grid; gap: 14px; }.login-form label { display: grid; gap: 6px; color: var(--ink-soft); font-size: 12px; font-weight: 800; }.login-form input { width: 100%; height: 43px; padding: 8px 11px; border: 1px solid var(--line-strong); border-radius: 7px; color: var(--ink); background: white; }.login-form input:focus { border-color: var(--blue); outline: 0; box-shadow: 0 0 0 3px rgba(23,111,149,.12); }.login-form .button { min-height: 43px; margin-top: 5px; }.login-message { min-height: 20px; margin: 1px 0 0; color: var(--red); font-size: 12px; }.login-footnote { margin: 22px 0 0; color: var(--ink-faint); font-size: 11px; text-align: center; }
@keyframes spin { to { transform: rotate(360deg); } } @keyframes in { from { opacity: 0; transform: translateY(-7px); } to { opacity: 1; transform: translateY(0); } }

@media (max-width: 1050px) {
  .page { padding: 30px 25px 45px; }.table-caption, .question-row { grid-template-columns: minmax(330px, 1fr) minmax(140px, .5fr) 75px; }.review-body { grid-template-columns: 190px minmax(0, 1fr); }.review-workspace { grid-template-columns: minmax(300px, 1.08fr) minmax(320px, 1fr); }.filters-card { flex-wrap: wrap; }.filters-card select { flex: 1 1 150px; }.review-controls .button { margin-left: 0; }.exam-builder { grid-template-columns: 1fr; }.exam-settings { position: static; }.question-card-grid { grid-template-columns: 1fr; max-width: 820px; }
}
@media (max-width: 800px) {
  .app-shell { display: block; }.sidebar { z-index: 5; height: auto; min-height: 0; padding: 11px 14px; position: sticky; top: 0; flex-direction: row; align-items: center; gap: 10px; }.logo { padding: 0; }.logo-mark { width: 30px; height: 30px; font-size: 15px; }.logo small { display: none; }.logo strong { font-size: 15px; }.primary-nav { display: flex; flex: 1; justify-content: flex-end; gap: 2px; }.primary-nav button { width: auto; padding: 7px 8px; font-size: 12px; }.primary-nav button > span { display: none; }.sidebar-footer { display: none; }.page { padding: 25px 16px 35px; }.page-head, .review-head { align-items: flex-start; flex-direction: column; gap: 13px; }.headline-stat { display: none; }.page-head h1, .review-head h1 { font-size: 25px; }.table-caption { display: none; }.question-row { grid-template-columns: minmax(0, 1fr) auto auto; gap: 6px; padding: 12px; }.question-row .row-tags { display: none; }.question-actions { margin: 10px 0 0 40px; }.question-main strong { max-width: 215px; }.question-copy em { font-size: 13px; -webkit-line-clamp: 4; }.headline-actions { width: 100%; justify-content: space-between; }.paper-grid, .tool-grid, .tools-grid { grid-template-columns: 1fr; }.review-controls label, .review-controls select { width: 100%; min-width: 0; }.review-controls { align-items: stretch; }.review-controls .button { width: 100%; }.review-body { display: block; min-height: 0; }.review-queue { margin-bottom: 12px; }.review-queue #queue-list { display: flex; max-height: none; overflow-x: auto; }.review-workspace { display: flex; height: auto; min-height: 0; flex-direction: column; overflow: visible; }.preview-pane { height: 55vh; min-height: 390px; border-right: 0; border-bottom: 1px solid var(--line); }.editor-pane { min-height: 0; }.editor-scroll { overflow: visible; }.question-strip { padding: 12px; }.review-actions { padding: 9px 12px; }.current-status { width: 100%; margin-left: 0; }.meta-grid { grid-template-columns: 1fr; }.comparison-frames { grid-template-columns: 1fr; overflow-y: auto; }.comparison-frames > div { min-height: 330px; }.preview-toolbar { align-items: center; flex-direction: row; }.preview-toolbar > div:first-child { display: none; }.preview-actions { justify-content: flex-start; }.exam-result iframe { height: 58vh; min-height: 390px; }.question-card-grid { max-width: none; }.question-card-foot { align-items: flex-start; flex-direction: column; }.question-card-actions { width: 100%; }.question-card-foot .button { align-self: stretch; }.library-preview-pages { padding: 8px; }.taxonomy-cascader { grid-template-columns: 1fr; min-width: 0; }.filters-card .taxonomy-cascader { flex-basis: 100%; }.taxonomy-tag-add { flex-direction: column; }.taxonomy-tag-add .button { width: 100%; }
}
@media (max-width: 480px) { .logo strong { display: none; }.primary-nav button { font-size: 11px; }.primary-nav b { min-width: 15px; padding: 0 3px; }.filters-card { padding: 9px; }.filters-card .button { width: 100%; }.mode-switch { width: 100%; }.mode-button { flex: 1; }.question-main strong { max-width: 180px; }.review-actions .button { flex: 1; }.preview-toolbar { padding: 8px 10px; }.sidebar-toggle { left: 8px; } }

@media (max-width: 800px) { .figure-upload-row { align-items: stretch; flex-direction: column; }.figure-list li { grid-template-columns: 1fr; align-items: start; }.figure-list .button { width: max-content; } }