:root {
  --bg: #f7f5ef;
  --panel: #ffffff;
  --ink: #192231;
  --muted: #687083;
  --line: #d8d2c4;
  --accent: #8f1d2c;
  --sea: #0f4c81;
  --gold: #b7832f;
  --shadow: 0 20px 60px rgba(25, 34, 49, 0.12);
}

[data-theme="dark"] {
  --bg: #07111f;
  --panel: #0e1a2b;
  --ink: #e8f0fb;
  --muted: #9db0ca;
  --line: #22344f;
  --accent: #ff626d;
  --sea: #55c7df;
  --gold: #ffd166;
  --shadow: 0 20px 70px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, "Noto Sans TC", system-ui, sans-serif;
  letter-spacing: 0;
}

a { color: inherit; text-decoration: none; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: 220px 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 14px clamp(16px, 4vw, 48px);
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 90%, transparent);
  backdrop-filter: blur(16px);
}

.site-header.compact { position: static; }

.brand { display: grid; gap: 2px; }
.brand span { color: var(--muted); font-size: 12px; text-transform: uppercase; }
.brand strong {
  font-family: "Noto Serif TC", Georgia, serif;
  font-size: 22px;
  color: var(--sea);
}

.tabs {
  display: flex;
  gap: 6px;
  justify-content: center;
}

button, select {
  font: inherit;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--ink);
}

.tabs button, .theme-toggle, .copy-cite {
  min-height: 38px;
  border-radius: 8px;
  padding: 0 14px;
  cursor: pointer;
}

.tabs button.active {
  border-color: var(--accent);
  background: var(--accent);
  color: white;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 14px clamp(16px, 4vw, 48px);
  border-bottom: 1px solid var(--line);
}

.filter-bar label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
}

.filter-bar select {
  min-width: 150px;
  height: 36px;
  border-radius: 8px;
  padding: 0 10px;
}

.hero-band {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(300px, 0.8fr);
  gap: 32px;
  align-items: end;
  padding: 42px clamp(16px, 4vw, 48px) 26px;
}

.kicker {
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0;
}

h1, h2, h3 {
  font-family: "Noto Serif TC", Georgia, serif;
  letter-spacing: 0;
}

h1 {
  margin: 0 0 12px;
  font-size: clamp(36px, 6vw, 78px);
  line-height: 1.05;
}

.hero-band p {
  max-width: 820px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.8;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.metric-grid article, .threat-card, .trend-card, .matrix-card, .graph-side, .atlas-card, .report-list article, .detail-aside section {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
  border-radius: 8px;
}

.metric-grid article {
  padding: 18px;
}

.metric-grid strong {
  display: block;
  font-size: 34px;
  color: var(--sea);
}

.metric-grid span { color: var(--muted); }

.workspace {
  padding: 0 clamp(16px, 4vw, 48px) 34px;
}

.load-state {
  margin: 18px clamp(16px, 4vw, 48px) 0;
  padding: 14px 16px;
  border: 1px solid color-mix(in srgb, var(--accent) 55%, var(--line));
  border-radius: 8px;
  background: color-mix(in srgb, var(--accent) 10%, var(--panel));
  color: var(--ink);
}

.load-state strong { display: block; margin-bottom: 4px; color: var(--accent); }

.briefing-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 390px;
  gap: 18px;
}

.map-panel, .graph-panel {
  min-height: 620px;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.briefing-side {
  display: grid;
  gap: 14px;
  align-content: start;
}

.threat-card, .trend-card, .matrix-card, .graph-side {
  padding: 18px;
}

.threat-card strong {
  display: block;
  margin: 8px 0;
  color: var(--accent);
  font-size: 34px;
}

.trend-card svg {
  width: 100%;
  height: auto;
}

.matrix-row, .concept-rank {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 11px 0;
  border-top: 1px solid var(--line);
}

.matrix-row span, .atlas-card footer span:first-child { color: var(--gold); white-space: nowrap; }
.matrix-row em, .concept-rank span { color: var(--muted); font-style: normal; font-size: 13px; }

.graph-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 18px;
}

.atlas-shell {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
}

.atlas-card {
  display: grid;
  gap: 10px;
  min-height: 230px;
  padding: 18px;
  border-left: 5px solid var(--sea);
}

.atlas-card:hover { border-left-color: var(--accent); transform: translateY(-2px); }
.atlas-card h2 { margin: 0; font-size: 22px; }
.atlas-card p { margin: 0; color: var(--muted); line-height: 1.7; }
.atlas-card footer { display: flex; justify-content: space-between; align-self: end; color: var(--muted); }
.domain { color: var(--accent); font-size: 13px; font-weight: 700; }

.reports-band {
  padding: 28px clamp(16px, 4vw, 48px) 60px;
  border-top: 1px solid var(--line);
}

.report-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 14px;
}

.report-list article {
  padding: 18px;
}

.report-list time { color: var(--accent); font-weight: 700; }
.report-list h3 { margin: 8px 0; }
.report-list p { color: var(--muted); line-height: 1.7; }

.site-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  padding: 28px clamp(16px, 4vw, 48px);
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.detail-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 22px;
  padding: 42px clamp(16px, 5vw, 72px);
}

.detail-article {
  border-left: 6px solid var(--sea);
  background: var(--panel);
  padding: clamp(22px, 5vw, 52px);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.detail-article.importance-5 { border-left-color: #b11226; }
.detail-article.importance-4 { border-left-color: #d97706; }
.detail-article.importance-3 { border-left-color: #ca8a04; }

.detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--muted);
}

.lead {
  font-size: 19px;
  line-height: 1.9;
  color: var(--muted);
}

.markdown-body {
  margin-top: 28px;
  line-height: 1.9;
  font-size: 17px;
}

.markdown-body h2, .markdown-body h3, .markdown-body h4 { margin-top: 34px; }
.markdown-body a { color: var(--sea); text-decoration: underline; }
.markdown-body p { margin: 0 0 18px; }

.content-table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0;
  font-size: 15px;
}

.content-table td {
  border: 1px solid var(--line);
  padding: 8px 10px;
  vertical-align: top;
}

.detail-aside {
  display: grid;
  gap: 14px;
  align-content: start;
}

.detail-aside section { padding: 18px; }
.related-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.related-list li { display: grid; gap: 2px; border-top: 1px solid var(--line); padding-top: 10px; }
.related-list span { color: var(--muted); font-size: 13px; }

@media (max-width: 980px) {
  .site-header, .hero-band, .briefing-grid, .graph-shell, .detail-shell {
    grid-template-columns: 1fr;
  }
  .tabs { justify-content: start; overflow-x: auto; }
  .map-panel, .graph-panel { min-height: 460px; }
}

@media (max-width: 620px) {
  .site-header { gap: 12px; }
  .tabs button { padding: 0 10px; white-space: nowrap; }
  .metric-grid { grid-template-columns: 1fr 1fr; }
  .filter-bar label { width: calc(50% - 8px); }
  .filter-bar select { min-width: 0; width: 100%; }
}