:root {
  --ink: #16211d;
  --ink-soft: #4f5f58;
  --muted: #7b8a83;
  --line: #dce5df;
  --line-strong: #cbd8d0;
  --paper: #ffffff;
  --canvas: #f3f6f4;
  --mist: #eaf1ed;
  --green: #176b4d;
  --green-deep: #0f513a;
  --green-soft: #dff1e8;
  --amber: #a86412;
  --amber-soft: #fff3dc;
  --red: #a73b38;
  --red-soft: #fce8e6;
  --shadow: 0 14px 36px rgba(25, 45, 36, .08);
  --sans: "Avenir Next", "PingFang SC", "Microsoft YaHei", sans-serif;
  --serif: "Songti SC", "STSong", Georgia, serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body { background: var(--canvas); color: var(--ink); font-family: var(--sans); font-size: 14px; }
button, input, textarea, select { font: inherit; }
button, a, input, textarea, select { outline: none; }
button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible, [contenteditable]:focus-visible {
  box-shadow: 0 0 0 3px rgba(23, 107, 77, .2); border-color: var(--green) !important;
}
button { color: inherit; }

.topbar { height: 64px; padding: 0 26px; display: flex; align-items: center; gap: 36px; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 30; backdrop-filter: blur(12px); }
.brand { min-width: 210px; display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; }
.brand-mark { width: 36px; height: 36px; display: grid; place-items: center; background: var(--green); color: white; border-radius: 9px 9px 9px 3px; font-family: var(--serif); font-size: 19px; }
.brand strong, .brand small { display: block; }
.brand strong { font-size: 15px; letter-spacing: .03em; }
.brand small { margin-top: 1px; color: var(--muted); font-size: 10px; letter-spacing: .14em; }
.product-nav { align-self: stretch; display: flex; align-items: stretch; gap: 28px; }
.product-nav a { display: flex; align-items: center; border-bottom: 2px solid transparent; color: var(--ink-soft); text-decoration: none; font-weight: 600; font-size: 13px; }
.product-nav a:hover, .product-nav a.active { color: var(--green); border-bottom-color: var(--green); }
.operator { margin-left: auto; display: flex; align-items: center; gap: 18px; }
.save-state { color: var(--muted); font-size: 12px; }
.save-state i, .autosave i { display: inline-block; width: 7px; height: 7px; margin-right: 6px; border-radius: 50%; background: #59a57f; }
.operator-button { display: flex; align-items: center; gap: 8px; border: 0; background: transparent; cursor: pointer; }
.operator-button span { width: 30px; height: 30px; display: grid; place-items: center; border-radius: 50%; background: var(--mist); color: var(--green); font-weight: 800; }

.workspace-head { min-height: 116px; padding: 22px 28px 18px; display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; }
.workspace-head h1 { margin: 2px 0 4px; font: 700 28px/1.15 var(--serif); letter-spacing: .03em; }
.workspace-head > div > p:last-child { margin: 0; color: var(--ink-soft); }
.eyebrow { margin: 0; color: var(--green); font-size: 9px; font-weight: 800; letter-spacing: .18em; }
.stage-summary { display: flex; gap: 6px; }
.summary-item { min-width: 94px; padding: 8px 13px; display: grid; grid-template-columns: auto 1fr; align-items: baseline; gap: 8px; border: 1px solid transparent; border-radius: 9px; background: transparent; cursor: pointer; }
.summary-item strong { font: 700 21px/1 var(--serif); }
.summary-item span { color: var(--muted); font-size: 11px; }
.summary-item:hover, .summary-item.active { border-color: var(--line); background: var(--paper); }
.summary-item.active strong { color: var(--green); }
.summary-item.risk strong { color: var(--red); }

.editorial-shell { height: calc(100vh - 180px); min-height: 650px; margin: 0 20px 20px; display: grid; grid-template-columns: 286px minmax(560px, 1fr) 326px; overflow: hidden; border: 1px solid var(--line-strong); border-radius: 14px; background: var(--paper); box-shadow: var(--shadow); animation: shell-in .38s ease-out both; }
@keyframes shell-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.queue-panel, .review-panel { min-width: 0; background: #fbfcfb; }
.queue-panel { border-right: 1px solid var(--line); }
.review-panel { border-left: 1px solid var(--line); overflow-y: auto; }
.panel-heading { min-height: 58px; padding: 0 16px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.panel-heading > div { display: flex; align-items: center; gap: 8px; }
.panel-heading h2 { margin: 0; font-size: 14px; }
.section-index { color: var(--green); font: 800 10px/1 var(--sans); letter-spacing: .08em; }
.icon-button, .more-button { border: 0; background: transparent; color: var(--muted); cursor: pointer; font-size: 18px; }
.review-progress { color: var(--green); font-weight: 800; font-size: 12px; }

.search-box { height: 38px; margin: 13px 14px 9px; padding: 0 10px; display: flex; align-items: center; gap: 7px; border: 1px solid var(--line); border-radius: 8px; background: white; color: var(--muted); }
.search-box input { min-width: 0; flex: 1; border: 0; background: transparent; font-size: 12px; }
.search-box kbd { padding: 2px 5px; border: 1px solid var(--line); border-radius: 4px; color: var(--muted); font: 10px var(--sans); }
.filter-row { padding: 0 14px 12px; display: flex; gap: 5px; overflow-x: auto; border-bottom: 1px solid var(--line); }
.filter-chip, .filter-more { flex: none; padding: 5px 8px; border: 1px solid var(--line); border-radius: 6px; background: white; color: var(--ink-soft); cursor: pointer; font-size: 10px; }
.filter-chip.active { border-color: var(--green); background: var(--green-soft); color: var(--green-deep); }
.filter-more { margin-left: auto; }
.queue-list { height: calc(100% - 118px); overflow-y: auto; }
.queue-item { width: 100%; padding: 15px 15px 14px 18px; display: block; border: 0; border-bottom: 1px solid var(--line); border-left: 3px solid transparent; background: transparent; text-align: left; cursor: pointer; transition: background .18s, border-color .18s; }
.queue-item:hover { background: #f5f9f6; }
.queue-item.active { border-left-color: var(--green); background: #edf5f0; }
.queue-top { display: flex; align-items: center; justify-content: space-between; }
.queue-top time { color: var(--muted); font-size: 10px; }
.priority { padding: 2px 5px; border-radius: 4px; font-size: 9px; font-style: normal; font-weight: 800; }
.priority.p0 { background: var(--red-soft); color: var(--red); }
.priority.p1 { background: var(--amber-soft); color: var(--amber); }
.priority.p2 { background: var(--mist); color: var(--ink-soft); }
.queue-item > strong { margin: 8px 0 5px; display: block; font: 700 14px/1.5 var(--serif); }
.queue-description { display: -webkit-box; overflow: hidden; color: var(--ink-soft); font-size: 11px; line-height: 1.5; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.queue-meta { margin-top: 9px; display: flex; gap: 5px; align-items: center; }
.queue-meta i, .queue-meta b { padding: 3px 5px; border-radius: 4px; background: var(--mist); color: var(--ink-soft); font-size: 9px; font-style: normal; font-weight: 600; }
.queue-meta b { margin-left: auto; background: var(--green-soft); color: var(--green); }
.queue-meta b.warning { background: var(--amber-soft); color: var(--amber); }
.assignee { margin-top: 9px; display: flex; align-items: center; gap: 6px; color: var(--muted); font-size: 10px; }
.assignee span { width: 22px; height: 22px; display: grid; place-items: center; border-radius: 50%; background: white; border: 1px solid var(--line); font-size: 8px; font-weight: 800; }

.content-panel { min-width: 0; display: grid; grid-template-rows: 58px minmax(0, 1fr) 72px; background: white; }
.content-toolbar { padding: 0 22px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.breadcrumb { display: flex; align-items: center; gap: 8px; }
.breadcrumb span { font-weight: 800; }
.breadcrumb b, .breadcrumb em { padding: 3px 6px; border-radius: 4px; font-size: 9px; font-style: normal; }
.breadcrumb b { background: var(--mist); color: var(--green); }
.breadcrumb em { background: var(--amber-soft); color: var(--amber); }
.toolbar-actions { display: flex; align-items: center; gap: 10px; }
.autosave { color: var(--muted); font-size: 10px; }
.autosave.error { color: var(--red); }
.secondary-button { padding: 6px 10px; border: 1px solid var(--line); border-radius: 6px; background: white; color: var(--ink-soft); cursor: pointer; font-size: 10px; }
.secondary-button:hover { border-color: var(--green); color: var(--green); }
.content-scroll { overflow-y: auto; scroll-behavior: smooth; }
.master-document { max-width: 820px; margin: 0 auto; padding: 34px 46px 70px; }
.document-kicker { display: flex; justify-content: space-between; color: var(--muted); font-size: 10px; }
.document-kicker span { color: var(--green); font-weight: 800; letter-spacing: .12em; }
.field { margin-top: 22px; display: block; }
.field > span, .impact-grid label span, .review-note > span { margin-bottom: 6px; display: block; color: var(--muted); font-size: 10px; font-weight: 700; }
.field textarea { width: 100%; resize: vertical; border: 1px solid transparent; border-radius: 7px; background: transparent; color: var(--ink); }
.field textarea:hover { border-color: var(--line); }
.field textarea:focus { border-color: var(--green); background: #fbfdfc; }
.title-field textarea { padding: 6px 0; font: 700 29px/1.4 var(--serif); }
.lead-field textarea { padding: 9px 11px; border-color: var(--line); background: #f8faf9; color: var(--ink-soft); font: 15px/1.75 var(--serif); }
.document-section { padding: 28px 0; border-bottom: 1px solid var(--line); }
.section-title { margin-bottom: 13px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.section-title h3 { margin: 0; font: 700 18px/1.3 var(--serif); }
.section-state { padding: 4px 7px; border-radius: 5px; font-size: 9px; font-weight: 700; }
.section-state.verified { background: var(--green-soft); color: var(--green); }
.section-state.pending { background: var(--amber-soft); color: var(--amber); }
.editable-copy { padding: 8px 10px; border: 1px solid transparent; border-radius: 7px; font: 15px/1.95 var(--serif); }
.editable-copy:hover { border-color: var(--line); }
.citation-token { margin-left: 2px; padding: 1px 4px; border: 0; border-radius: 4px; cursor: pointer; font-size: 9px; vertical-align: super; }
.citation-token.verified { background: var(--green-soft); color: var(--green); }
.citation-token.pending { background: var(--amber-soft); color: var(--amber); }
.impact-grid { margin-bottom: 12px; display: grid; grid-template-columns: 1.5fr .6fr 1fr 1fr; gap: 8px; }
.impact-grid label { padding: 8px 9px; border: 1px solid var(--line); border-radius: 7px; background: #fbfcfb; }
.impact-grid input, .impact-grid select { width: 100%; border: 0; background: transparent; color: var(--ink); font-size: 11px; }
.advice-list { margin: 0; padding: 0; list-style: none; }
.advice-list li { display: grid; grid-template-columns: 28px 1fr; gap: 10px; align-items: start; padding: 9px 0; border-bottom: 1px dashed var(--line); font: 14px/1.7 var(--serif); }
.advice-list li:last-child { border-bottom: 0; }
.advice-list li > span { width: 24px; height: 24px; display: grid; place-items: center; border-radius: 50%; background: var(--mist); color: var(--green); font: 800 9px var(--sans); }
.evidence-section { padding-top: 34px; }
.evidence-layout { display: grid; grid-template-columns: 220px 1fr; gap: 10px; }
.citation-list { display: grid; gap: 7px; }
.citation-card { padding: 10px; display: block; border: 1px solid var(--line); border-radius: 7px; background: white; text-align: left; cursor: pointer; }
.citation-card.active { border-color: var(--green); background: #f3f9f5; }
.citation-card > span { display: flex; justify-content: space-between; }
.citation-card b { font-size: 10px; }
.citation-card em { font-size: 8px; font-style: normal; }
.citation-card em.verified { color: var(--green); }
.citation-card em.pending { color: var(--amber); }
.citation-card q { margin: 7px 0; display: block; color: var(--ink-soft); font: 11px/1.55 var(--serif); }
.citation-card small { color: var(--muted); font-size: 8px; }
.source-viewer { border: 1px solid var(--line); border-radius: 7px; background: #fafbf9; overflow: hidden; }
.source-viewer-head { padding: 8px 11px; display: flex; justify-content: space-between; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 9px; }
.source-viewer-head a { color: var(--green); text-decoration: none; }
.source-viewer p { margin: 0; padding: 8px 12px; color: var(--ink-soft); font: 11px/1.7 var(--serif); }
.source-viewer .source-highlight { background: #e2f2e8; color: var(--ink); box-shadow: inset 3px 0 var(--green); animation: source-pulse .7s ease-out; }
@keyframes source-pulse { 50% { background: #cfe9d9; } }
.variant-dock { padding: 9px 15px; display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; border-top: 1px solid var(--line); background: #fafcfb; }
.variant-tab { min-width: 0; padding: 7px 8px; display: grid; grid-template-columns: 25px 1fr; grid-template-rows: auto auto; column-gap: 7px; border: 1px solid transparent; border-radius: 7px; background: transparent; text-align: left; cursor: pointer; }
.variant-tab:hover { background: white; border-color: var(--line); }
.variant-tab.active { background: white; border-color: var(--green); }
.variant-tab > span { grid-row: 1 / 3; width: 25px; height: 25px; display: grid; place-items: center; border-radius: 6px; background: var(--mist); color: var(--green); font: 800 10px var(--serif); }
.variant-tab b { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 9px; }
.variant-tab small { color: var(--muted); font-size: 8px; }

.review-stage { margin: 14px; padding: 12px; border-radius: 8px; background: var(--mist); }
.review-stage > span, .review-stage small { display: block; color: var(--muted); font-size: 9px; }
.review-stage strong { margin: 6px 0; display: block; font-size: 13px; }
.review-stage strong i { display: inline-block; width: 7px; height: 7px; margin-right: 6px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px rgba(23,107,77,.1); }
.check-group { padding: 14px 15px; border-top: 1px solid var(--line); }
.check-heading { margin-bottom: 8px; display: flex; justify-content: space-between; }
.check-heading h3 { margin: 0; font-size: 11px; }
.check-heading span { color: var(--muted); font-size: 9px; }
.check-item { margin: 7px 0; display: grid; grid-template-columns: 17px 1fr; gap: 7px; align-items: start; cursor: pointer; }
.check-item input { margin: 2px 0 0; accent-color: var(--green); }
.check-item b, .check-item small { display: block; }
.check-item b { font-size: 10px; line-height: 1.5; }
.check-item small { margin-top: 2px; color: var(--muted); font-size: 8px; line-height: 1.45; }
.check-item.blocker b { color: var(--amber); }
.blocking-summary { margin: 3px 14px 12px; padding: 10px; display: flex; gap: 9px; border: 1px solid #ecd29d; border-radius: 7px; background: var(--amber-soft); }
.blocking-summary > span { width: 20px; height: 20px; display: grid; place-items: center; border-radius: 50%; background: var(--amber); color: white; font-weight: 800; font-size: 11px; }
.blocking-summary strong { color: var(--amber); font-size: 10px; }
.blocking-summary p { margin: 2px 0 0; color: #77501c; font-size: 8px; line-height: 1.45; }
.evidence-actions { display: flex; gap: 6px; }
.citation-form { display: grid; grid-template-columns: 120px 1fr 180px auto; gap: 8px; padding: 10px; margin-bottom: 10px; background: #f7f9fc; border: 1px solid var(--line); border-radius: 8px; }
.citation-form[hidden] { display: none; }
.citation-form select, .citation-form textarea, .citation-form input { border: 1px solid var(--line); border-radius: 6px; padding: 8px; background: white; color: var(--ink); font: inherit; }
.citation-empty { padding: 22px 12px; text-align: center; color: var(--muted); border: 1px dashed var(--line); border-radius: 8px; }
@media (max-width: 900px) { .citation-form { grid-template-columns: 1fr; } }
.review-note { margin: 14px; display: block; }
.review-note textarea { width: 100%; padding: 8px; resize: vertical; border: 1px solid var(--line); border-radius: 7px; background: white; font-size: 10px; }
.review-actions { padding: 0 14px; display: grid; grid-template-columns: .8fr 1.2fr; gap: 7px; }
.return-button, .approve-button { height: 36px; border-radius: 7px; cursor: pointer; font-size: 11px; font-weight: 700; }
.return-button { border: 1px solid var(--line-strong); background: white; color: var(--ink-soft); }
.approve-button { border: 1px solid var(--green); background: var(--green); color: white; }
.approve-button:disabled { border-color: var(--line); background: var(--mist); color: var(--muted); cursor: not-allowed; }
.action-hint { margin: 7px 14px 18px; color: var(--muted); text-align: right; font-size: 8px; }
.conflict-panel { margin: 0 14px 18px; padding: 11px; border: 1px solid #e2aaa6; border-radius: 7px; background: var(--red-soft); }
.conflict-panel[hidden] { display: none; }
.conflict-panel strong { color: var(--red); font-size: 10px; }
.conflict-panel p { margin: 4px 0 9px; color: #713f3d; font-size: 9px; line-height: 1.5; }
.conflict-panel button { padding: 5px 8px; border: 1px solid #d6928e; border-radius: 5px; background: white; color: var(--red); cursor: pointer; font-size: 9px; }
.prototype-toast { position: fixed; left: 50%; bottom: 24px; z-index: 50; padding: 9px 14px; border-radius: 7px; background: var(--ink); color: white; font-size: 11px; opacity: 0; transform: translate(-50%, 12px); pointer-events: none; transition: .2s; }
.prototype-toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 1120px) {
  .editorial-shell { grid-template-columns: 250px minmax(500px, 1fr) 290px; margin-inline: 10px; }
  .master-document { padding-inline: 28px; }
  .product-nav { gap: 16px; }
}

@media (max-width: 900px) {
  .product-nav { display: none; }
  .editorial-shell { height: auto; min-height: 0; display: block; overflow: visible; }
  .queue-panel { border-right: 0; }
  .queue-list { height: auto; display: flex; overflow-x: auto; }
  .queue-item { min-width: 280px; border-right: 1px solid var(--line); }
  .content-panel { min-height: 720px; }
  .review-panel { border-top: 1px solid var(--line); border-left: 0; }
}

@media (max-width: 720px) {
  .topbar { height: 56px; padding: 0 14px; }
  .brand { min-width: 0; }
  .brand small, .save-state, .operator-button { display: none; }
  .workspace-head { min-height: 0; padding: 17px 16px 12px; display: block; }
  .workspace-head h1 { font-size: 23px; }
  .workspace-head > div > p:last-child { font-size: 11px; }
  .stage-summary { margin-top: 13px; overflow-x: auto; }
  .summary-item { min-width: 82px; padding: 7px 9px; }
  .editorial-shell { margin: 0; border-right: 0; border-left: 0; border-radius: 0; box-shadow: none; }
  .queue-panel { padding-bottom: 7px; }
  .queue-item { min-width: 258px; }
  .content-panel { min-height: 760px; grid-template-rows: 52px minmax(0, 1fr) auto; }
  .content-toolbar { padding-inline: 14px; }
  .toolbar-actions .secondary-button, .autosave { display: none; }
  .master-document { padding: 24px 17px 48px; }
  .title-field textarea { font-size: 23px; }
  .impact-grid { grid-template-columns: 1fr 1fr; }
  .evidence-layout { grid-template-columns: 1fr; }
  .variant-dock { grid-template-columns: repeat(5, minmax(72px, 1fr)); overflow-x: auto; }
  .variant-tab { display: block; text-align: center; }
  .variant-tab > span { margin: 0 auto 4px; }
  .variant-tab b, .variant-tab small { display: block; }
  .review-panel { max-height: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}