:root {
  --paper: #f5f0e6;
  --paper-deep: #e8dfce;
  --card: #fffdf7;
  --ink: #27251f;
  --muted: #746f64;
  --line: #d9cfbd;
  --rust: #a2472f;
  --rust-soft: #f2d8ca;
  --moss: #3f6553;
  --moss-soft: #dce7df;
  --blue: #476577;
  --shadow: 0 12px 32px rgba(72, 59, 38, .09);
  --radius: 14px;
  font-family: Inter, "Microsoft YaHei UI", "PingFang SC", sans-serif;
  color: var(--ink);
  background: var(--paper);
}

* { box-sizing: border-box; }
body { margin: 0; min-width: 1040px; min-height: 100vh; background: var(--paper); }
button, input, select, textarea { font: inherit; }
button, label.file-button { -webkit-tap-highlight-color: transparent; }

.topbar {
  height: 86px; display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; background: rgba(255, 253, 247, .94); border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 20; backdrop-filter: blur(12px);
}
.brand { display: flex; align-items: center; gap: 13px; }
.brand-mark { width: 44px; height: 44px; display: grid; place-items: center; border-radius: 12px; color: #fff; background: var(--rust); font: 29px "Microsoft Himalaya", "Segoe UI Symbol", serif; }
.brand h1 { margin: 0; font: 700 19px/1.2 Georgia, "Microsoft YaHei UI", serif; letter-spacing: .02em; }
.brand p { margin: 5px 0 0; color: var(--muted); font-size: 12px; }
.top-actions { display: flex; align-items: center; gap: 7px; }
.save-status { font-size: 12px; color: var(--moss); padding: 6px 9px; background: var(--moss-soft); border-radius: 999px; }

.button { border: 1px solid var(--line); border-radius: 9px; padding: 8px 11px; color: var(--ink); background: var(--card); cursor: pointer; transition: .16s ease; }
.button:hover { transform: translateY(-1px); border-color: #bdb09b; box-shadow: 0 5px 14px rgba(62, 50, 30, .08); }
.button.primary { color: white; background: var(--moss); border-color: var(--moss); }
.button.danger { color: #923c2b; background: transparent; }
.file-button input { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }

.workspace { display: grid; grid-template-columns: 218px minmax(580px, 1fr) 290px; height: calc(100vh - 86px); }
.sidebar, .inspector { background: #eee7da; overflow: auto; }
.sidebar { border-right: 1px solid var(--line); padding: 22px 14px; }
.sidebar-heading { padding: 0 10px 15px; }
.sidebar-heading span { display: block; font-weight: 700; font-size: 13px; }
.sidebar-heading small { display: block; margin-top: 4px; color: var(--muted); font-size: 11px; }
.page-filter { display: flex; align-items: center; gap: 6px; margin: 0 3px 11px; padding: 0 8px; border: 1px solid var(--line); border-radius: 9px; background: var(--card); color: var(--muted); }
.page-filter input { width: 100%; min-width: 0; border: 0; outline: 0; padding: 8px 0; color: var(--ink); background: transparent; font-size: 11px; }
.page-nav { display: grid; gap: 5px; }
.page-button { width: 100%; display: grid; grid-template-columns: 39px 1fr auto; gap: 8px; align-items: center; text-align: left; border: 1px solid transparent; border-radius: 11px; padding: 9px; color: var(--ink); background: transparent; cursor: pointer; }
.page-button:hover, .page-button.drag-over { background: rgba(255,255,255,.6); border-color: var(--line); }
.page-button.active { color: #fff; background: var(--ink); }
.page-prefix { height: 33px; display: grid; place-items: center; border-radius: 8px; background: rgba(162,71,47,.12); color: var(--rust); font: 700 13px/1 ui-monospace, Consolas, monospace; }
.page-button.active .page-prefix { background: rgba(255,255,255,.14); color: #ffd8c6; }
.page-name { font-weight: 650; font-size: 13px; }
.page-number { min-width: 28px; color: var(--muted); font: 12px ui-monospace, Consolas, monospace; text-align: right; }
.page-button.active .page-number { color: #d7d1c6; }
.sidebar-note { margin: 22px 6px 0; padding: 13px; border: 1px dashed #c8baa4; border-radius: 12px; color: var(--muted); font-size: 11px; line-height: 1.6; }
.sidebar-note strong { color: var(--ink); }
.sidebar-note p { margin: 5px 0 0; }

.content { min-width: 0; overflow: auto; background: radial-gradient(circle at 80% 0%, #fffaf0 0, transparent 35%), var(--paper); }
.page-intro { padding: 24px 28px 0; }
.page-title-row { display: flex; justify-content: space-between; gap: 26px; align-items: flex-end; }
.eyebrow { display: flex; gap: 8px; color: var(--muted); font-size: 12px; }
#prefixBadge { color: var(--rust); font: 700 12px ui-monospace, Consolas, monospace; text-transform: uppercase; }
.page-title-row h2 { margin: 8px 0 4px; font: 700 29px Georgia, "Microsoft YaHei UI", serif; }
.page-title-row p { margin: 0; color: var(--muted); font-size: 13px; }
.block-field { display: grid; gap: 6px; min-width: 310px; color: var(--muted); font-size: 11px; }
.block-field input, .form-field input, .form-field select, .form-field textarea { width: 100%; border: 1px solid var(--line); border-radius: 9px; padding: 9px 10px; color: var(--ink); background: rgba(255,253,247,.8); outline: none; }
.block-field input:focus, .form-field input:focus, .form-field select:focus, .form-field textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(71,101,119,.1); }

.rules-panel { margin-top: 19px; border: 1px solid var(--line); border-radius: 12px; background: rgba(255,253,247,.62); }
.rules-panel summary { display: flex; justify-content: space-between; align-items: center; padding: 12px 14px; cursor: pointer; font-size: 13px; font-weight: 700; }
.rules-panel summary small { color: var(--muted); font-weight: 400; font-size: 11px; }
.rule-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; padding: 0 14px 16px; }
.rule-columns h3 { margin: 5px 0 9px; color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .06em; }
.rule-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 5px; max-height: 220px; overflow: auto; padding-right: 4px; }
.rule-item { display: grid; grid-template-columns: 25px 1fr; align-items: center; border: 1px solid #e3dacb; border-radius: 7px; background: var(--card); overflow: hidden; }
.rule-item span { text-align: center; color: var(--rust); font: 700 11px ui-monospace, Consolas, monospace; }
.rule-item input { min-width: 0; border: 0; border-left: 1px solid #e3dacb; padding: 6px; color: var(--ink); background: transparent; font-size: 11px; outline: none; }

.toolbar { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: 14px; margin-top: 20px; padding: 13px 28px; border-top: 1px solid rgba(217,207,189,.75); border-bottom: 1px solid rgba(217,207,189,.8); background: rgba(245,240,230,.92); backdrop-filter: blur(10px); }
.search-field { flex: 1; display: flex; align-items: center; gap: 9px; max-width: 520px; border: 1px solid var(--line); border-radius: 10px; padding: 0 11px; background: var(--card); }
.search-field span { color: var(--muted); font-size: 20px; }
.search-field input { width: 100%; border: 0; outline: 0; padding: 9px 0; color: var(--ink); background: transparent; }
.check-control, .favorite-control { display: flex; align-items: center; gap: 7px; color: var(--muted); font-size: 12px; }
.conflict-summary { margin-left: auto; color: var(--muted); font-size: 11px; }

.glyph-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(112px, 1fr)); gap: 10px; padding: 20px 28px 38px; align-content: start; }
.glyph-card { position: relative; min-height: 128px; display: flex; flex-direction: column; align-items: center; justify-content: center; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); box-shadow: 0 3px 9px rgba(72,59,38,.035); cursor: grab; transition: .16s ease; }
.glyph-card:hover { transform: translateY(-2px); border-color: #b9a98e; box-shadow: var(--shadow); }
.glyph-card.selected { border-color: var(--rust); box-shadow: 0 0 0 2px var(--rust-soft); }
.glyph-card.over-five { border-color: #c76b52; background: #fff7f2; }
.glyph-card.dragging { opacity: .45; }
.glyph { font: 46px/1.1 "Segoe UI Historic", "Nirmala UI", "Segoe UI Symbol", "Noto Sans Symbols 2", sans-serif; }
.glyph-code { margin-top: 10px; color: var(--rust); font: 700 12px ui-monospace, Consolas, monospace; }
.glyph-cp { margin-top: 4px; color: var(--muted); font: 9px ui-monospace, Consolas, monospace; }
.favorite-star { position: absolute; top: 8px; right: 9px; color: #b66d19; font-size: 13px; }
.collision-dot { position: absolute; top: 10px; left: 10px; min-width: 18px; height: 18px; display: grid; place-items: center; border-radius: 999px; color: white; background: var(--blue); font: 9px ui-monospace, Consolas, monospace; }
.collision-dot.hot { background: var(--rust); }
.load-more { grid-column: 1 / -1; padding: 13px; border: 1px dashed #bba98d; border-radius: 11px; color: var(--rust); background: rgba(255,253,247,.65); cursor: pointer; }
.load-more:hover { background: var(--card); }
.empty-state { padding: 90px 20px; text-align: center; color: var(--muted); }
.empty-state span { font-size: 40px; }

.inspector { border-left: 1px solid var(--line); padding: 22px; }
.inspector-empty { height: 70%; display: grid; place-content: center; text-align: center; color: var(--muted); }
.inspector-empty span { font: 50px "Segoe UI Symbol"; }
.inspector-empty p { width: 170px; font-size: 12px; line-height: 1.6; }
.inspector-head { display: grid; grid-template-columns: 75px 1fr; align-items: center; gap: 14px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.inspector-glyph { width: 75px; height: 75px; display: grid; place-items: center; border-radius: 16px; color: var(--rust); background: var(--card); font: 49px "Segoe UI Historic", "Nirmala UI", "Segoe UI Symbol", sans-serif; box-shadow: var(--shadow); }
.inspector-head h2 { margin: 0; font: 700 15px ui-monospace, Consolas, monospace; }
.inspector-head p { margin: 6px 0 0; color: var(--muted); font-size: 10px; line-height: 1.45; word-break: break-word; }
.copy-row { display: flex; align-items: center; justify-content: space-between; margin: 17px 0; }
.form-field { display: grid; gap: 6px; margin-top: 13px; color: var(--muted); font-size: 11px; }
.form-field small { min-height: 14px; color: var(--muted); font-size: 10px; }
.form-field small.error { color: var(--rust); }
.key-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.form-field textarea { resize: vertical; line-height: 1.5; }
.metadata { margin: 18px 0 0; border-top: 1px solid var(--line); }
.metadata div { display: grid; grid-template-columns: 70px 1fr; gap: 8px; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 10px; }
.metadata dt { color: var(--muted); }
.metadata dd { margin: 0; word-break: break-word; }
.toast { position: fixed; left: 50%; bottom: 24px; z-index: 50; transform: translate(-50%, 20px); padding: 10px 15px; border-radius: 10px; color: white; background: var(--ink); box-shadow: var(--shadow); opacity: 0; pointer-events: none; transition: .2s ease; font-size: 12px; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

.view-tabs { display: flex; align-items: center; gap: 4px; padding: 4px; border: 1px solid var(--line); border-radius: 12px; background: var(--paper); }
.view-tab { border: 0; border-radius: 8px; padding: 8px 12px; color: var(--muted); background: transparent; cursor: pointer; font-size: 12px; font-weight: 700; }
.view-tab:hover { color: var(--ink); background: rgba(255,255,255,.65); }
.view-tab.active { color: #fff; background: var(--ink); }
.view-panel { display: none; }
.view-panel.active { display: block; }
.more-actions { position: relative; }
.more-actions summary { list-style: none; }
.more-actions summary::-webkit-details-marker { display: none; }
.action-menu { position: absolute; right: 0; top: calc(100% + 8px); z-index: 60; width: 180px; display: grid; gap: 6px; padding: 9px; border: 1px solid var(--line); border-radius: 12px; background: var(--card); box-shadow: var(--shadow); }
.action-menu .button { width: 100%; text-align: left; }
.error-status { color: #923c2b; background: #f6d9d0; }
.wide { width: 100%; margin-top: 14px; }
.muted-copy { color: var(--muted); font-size: 12px; line-height: 1.65; }

.pair-workspace { display: grid; grid-template-columns: 220px minmax(700px, 1fr) 320px; height: calc(100vh - 86px); }
.letter-panel, .pair-inspector { overflow: auto; background: #eee7da; }
.letter-panel { padding: 22px 14px; border-right: 1px solid var(--line); }
.pair-inspector { padding: 22px; border-left: 1px solid var(--line); }
.letter-list { display: grid; gap: 6px; }
.letter-card { --letter-color: #8f887b; display: grid; grid-template-columns: 36px 1fr; align-items: center; gap: 9px; width: 100%; padding: 8px; border: 1px solid transparent; border-radius: 10px; text-align: left; color: var(--ink); background: transparent; cursor: pointer; }
.letter-card:hover { border-color: var(--line); background: rgba(255,255,255,.5); }
.letter-card.active { color: white; background: var(--ink); }
.letter-card strong { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 8px; color: white; background: var(--letter-color); font: 700 15px ui-monospace, Consolas, monospace; }
.letter-card span { overflow: hidden; color: var(--muted); font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }
.letter-card.active span { color: #ddd5c8; }
.pair-content { min-width: 0; overflow: auto; padding: 28px; background: radial-gradient(circle at 80% 0%, #fffaf0 0, transparent 35%), var(--paper); }
.section-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 30px; margin-bottom: 22px; }
.section-heading h2 { margin: 6px 0 5px; font: 700 29px Georgia, "Microsoft YaHei UI", serif; }
.section-heading p { margin: 0; color: var(--muted); font-size: 13px; }
.search-field.compact { flex: none; width: 280px; }
.pair-matrix { display: grid; grid-template-columns: repeat(26, minmax(30px, 1fr)); gap: 5px; min-width: 920px; padding-bottom: 30px; }
.pair-cell { --pair-color: #87654e; min-width: 0; height: 54px; display: grid; align-content: center; gap: 3px; padding: 3px; border: 1px solid var(--line); border-radius: 7px; color: var(--muted); background: rgba(255,253,247,.68); cursor: pointer; overflow: hidden; }
.pair-cell strong { color: var(--ink); font: 700 10px ui-monospace, Consolas, monospace; }
.pair-cell span { overflow: hidden; font-size: 7px; text-overflow: ellipsis; white-space: nowrap; }
.pair-cell.defined { color: white; background: var(--pair-color); border-color: transparent; }
.pair-cell.defined strong { color: white; }
.pair-cell.active { outline: 3px solid var(--rust-soft); border-color: var(--rust); transform: scale(1.05); }
.pair-cell.filtered { opacity: .12; }
.feeling-code { width: 76px; height: 76px; display: grid; place-items: center; border-radius: 18px; color: white; background: var(--moss); font: 700 34px ui-monospace, Consolas, monospace; box-shadow: var(--shadow); }
.feeling-code.pair { background: var(--rust); }
.pair-inspector h2 { margin: 14px 0 4px; font: 700 20px Georgia, "Microsoft YaHei UI", serif; }
.component-feelings { display: grid; gap: 5px; margin: 14px 0; }
.component-feelings span { padding: 8px 9px; border-radius: 8px; color: var(--muted); background: rgba(255,255,255,.5); font-size: 11px; }

.graph-workspace { height: calc(100vh - 86px); display: grid; grid-template-rows: auto 1fr; background: var(--paper); }
.graph-toolbar { display: flex; align-items: center; gap: 12px; padding: 13px 20px; border-bottom: 1px solid var(--line); background: #eee7da; }
.segmented { display: flex; gap: 3px; padding: 3px; border: 1px solid var(--line); border-radius: 10px; background: var(--card); }
.graph-mode { border: 0; border-radius: 7px; padding: 7px 11px; color: var(--muted); background: transparent; cursor: pointer; font-size: 11px; }
.graph-mode.active { color: white; background: var(--rust); }
.theme-picker { display: flex; align-items: center; gap: 7px; color: var(--muted); font-size: 11px; }
.theme-picker select { border: 1px solid var(--line); border-radius: 8px; padding: 7px; background: var(--card); }
.graph-main { min-height: 0; display: grid; grid-template-columns: minmax(600px, 1fr) 330px; }
.graph-canvas-wrap { position: relative; min-width: 0; min-height: 0; overflow: hidden; }
#graphCanvas { display: block; width: 100%; height: 100%; cursor: grab; touch-action: none; }
#graphCanvas:active { cursor: grabbing; }
.canvas-help { position: absolute; left: 16px; bottom: 14px; padding: 7px 10px; border: 1px solid rgba(217,207,189,.8); border-radius: 9px; color: var(--muted); background: rgba(255,253,247,.88); font-size: 10px; pointer-events: none; }
.graph-inspector { overflow: auto; padding: 20px; border-left: 1px solid var(--line); background: #eee7da; }
.graph-node-head { padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.node-type { color: var(--rust); font-size: 10px; text-transform: uppercase; letter-spacing: .08em; }
.graph-node-symbol { margin-top: 8px; font: 46px/1.2 "Segoe UI Historic", "Nirmala UI", "Segoe UI Symbol", sans-serif; }
.graph-node-head h2 { margin: 8px 0 0; font-size: 13px; line-height: 1.45; word-break: break-word; }
.compact-meta { margin-top: 12px; }
.add-relation { margin-top: 18px; padding: 12px; border: 1px solid var(--line); border-radius: 11px; background: rgba(255,253,247,.55); }
.add-relation h3, .alias-section h3, .relation-section h3 { margin: 0 0 9px; font-size: 12px; }
.add-relation input { width: 100%; padding: 8px; border: 1px solid var(--line); border-radius: 8px; background: var(--card); }
.add-relation .button { margin-top: 8px; width: 100%; }
.alias-section, .relation-section { margin-top: 18px; }
.alias-row { display: grid; grid-template-columns: 1fr auto 24px; align-items: center; gap: 7px; margin-top: 5px; padding: 7px 8px; border-radius: 8px; background: rgba(255,255,255,.55); font-size: 10px; }
.alias-row code { color: var(--rust); font-weight: 700; }
.alias-row button { border: 0; color: var(--rust); background: transparent; cursor: pointer; }
.relation-list { display: grid; gap: 7px; }
.relation-card { display: grid; grid-template-columns: 1fr auto; gap: 8px; padding: 9px; border: 1px solid var(--line); border-radius: 9px; background: rgba(255,253,247,.7); }
.relation-card.suggested { border-style: dashed; opacity: .82; }
.relation-card strong, .relation-card span { display: block; }
.relation-card strong { font-size: 11px; }
.relation-card span { margin-top: 3px; color: var(--muted); font-size: 9px; }
.relation-actions { display: flex; flex-direction: column; gap: 3px; }
.relation-actions button { border: 0; padding: 2px 4px; color: var(--rust); background: transparent; cursor: pointer; font-size: 9px; }
.theme-checks { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.theme-checks label { padding: 5px 7px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); background: var(--card); font-size: 10px; }

@media (max-width: 1180px) {
  .workspace { grid-template-columns: 190px minmax(560px, 1fr) 265px; }
  .top-actions .save-status, .brand p { display: none; }
  .rule-grid { grid-template-columns: 1fr; }
  .view-tab { padding: 7px 8px; }
  .pair-workspace { grid-template-columns: 180px minmax(650px, 1fr) 285px; }
}