:root {
  color-scheme: dark;
  --bg: #02050a;
  --panel: rgba(4, 7, 12, 0.97);
  --panel-strong: #07101d;
  --nested: rgba(255, 255, 255, 0.02);
  --line: rgba(255, 255, 255, 0.09);
  --line-strong: rgba(255, 255, 255, 0.16);
  --text: #eef4ff;
  --muted: #91a2bd;
  --accent: #7dd3fc;
  --green: #4ade80;
  --red: #f87171;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent 18%),
    radial-gradient(circle at top left, rgba(59, 130, 246, 0.08), transparent 25%),
    var(--bg);
  color: var(--text);
  font-family: Inter, "Noto Sans SC", system-ui, sans-serif;
}

.page-shell {
  width: min(1360px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 24px 0 36px;
  display: grid;
  gap: 16px;
}

.terminal-frame,
.nested-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.03), 0 18px 60px rgba(0,0,0,0.22);
}

.nested-card { background: var(--nested); }

.hero {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 20px;
  padding: 18px 20px;
  border-top: 3px solid #991b1b;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 11px;
}

h1, h2, h3, p { margin-top: 0; }

h1 {
  margin-bottom: 8px;
  font-size: clamp(26px, 4vw, 36px);
}

h2 { margin-bottom: 4px; }

.hero-copy,
.hero-meta,
.toolbar p,
.section-head p,
.chart-note,
.mini-stats,
.ranking-row span,
.ranking-row em {
  color: var(--muted);
}

.hero-meta {
  display: grid;
  gap: 6px;
  text-align: right;
  font-size: 13px;
}

.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 14px 18px;
}

.range-switch {
  display: flex;
  gap: 6px;
}

.range-switch button {
  border: 1px solid var(--line);
  background: #060b13;
  color: var(--muted);
  padding: 7px 12px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
}

.range-switch button.is-active {
  background: #991b1b;
  border-color: #991b1b;
  color: #fff;
}

.model-chart-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.model-card {
  padding: 0 14px 14px;
  cursor: pointer;
  transition: border-color 160ms ease, transform 160ms ease, background 160ms ease;
}

.model-card:hover,
.model-card.is-active {
  border-color: rgba(125, 211, 252, 0.72);
  transform: translateY(-2px);
}

.model-card.is-active { background: rgba(10, 17, 30, 0.98); }

.ticker-strip {
  margin: 0 -14px 12px;
  padding: 7px 12px;
  display: flex;
  justify-content: space-between;
  background: linear-gradient(90deg, rgba(153, 27, 27, 0.95), rgba(95, 20, 20, 0.8));
  border-radius: 7px 7px 0 0;
  font-size: 11px;
  letter-spacing: 0.12em;
}

.model-card-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.model-card h3 {
  margin-bottom: 4px;
  font-size: 22px;
}

.model-price {
  font-size: 24px;
  font-weight: 700;
  text-align: right;
}

.chart-note,
.mini-stats { font-size: 12px; }

.mini-chart-wrap { height: 242px; }

.mini-stats {
  display: flex;
  gap: 16px;
  border-top: 1px solid var(--line);
  padding-top: 10px;
}

.comparison-shell {
  padding: 18px;
  display: grid;
  gap: 16px;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
}

.comparison-grid {
  grid-template-columns: minmax(0, 1.45fr) minmax(320px, 0.8fr);
}

.grid {
  display: grid;
  gap: 16px;
}

.compare-chart-card,
.ranking-card {
  padding: 16px;
}

.chart-wrap { height: 374px; }
.comparison-chart-wrap { height: 352px; }

.ranking-table {
  display: grid;
  gap: 8px;
}

.ranking-row {
  display: grid;
  grid-template-columns: 28px 1fr auto auto;
  gap: 12px;
  align-items: center;
  border-bottom: 1px solid var(--line);
  padding: 10px 0;
  font-size: 14px;
}

.ranking-row:last-child { border-bottom: 0; }

.ranking-row em {
  font-style: normal;
}

.premium-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.premium-card {
  padding: 14px;
  display: grid;
  gap: 6px;
}

.premium-card span {
  color: var(--muted);
  font-size: 12px;
}

.premium-card strong {
  font-size: 24px;
}

.detail-page-shell {
  width: min(1440px, calc(100vw - 32px));
  gap: 12px;
}

.detail-hero {
  align-items: flex-end;
  padding: 14px 18px;
}

.back-link {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
}

.back-link:hover {
  color: var(--text);
}

.detail-quote-strip {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  min-height: 56px;
  padding: 10px 14px;
  border-top: 1px solid rgba(153, 27, 27, 0.85);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  background:
    linear-gradient(90deg, rgba(153, 27, 27, 0.22), transparent 32%),
    rgba(2, 5, 10, 0.98);
}

.quote-primary {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.quote-primary span {
  color: #fca5a5;
  letter-spacing: 0.16em;
  font-size: 13px;
  font-weight: 700;
}

.quote-primary strong {
  font-size: 32px;
  line-height: 1;
}

.quote-primary em {
  font-style: normal;
  font-weight: 600;
  font-size: 14px;
}

.quote-secondary {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 18px;
  color: var(--muted);
  font-size: 12px;
}

.detail-toolbar {
  padding-top: 10px;
  padding-bottom: 10px;
}

.detail-metric-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.detail-metric-card {
  padding: 11px 12px;
  display: grid;
  gap: 4px;
}

.detail-metric-card span {
  color: var(--muted);
  font-size: 12px;
}

.detail-metric-card strong {
  font-size: 24px;
}

.chart-panel {
  padding: 0 16px 16px;
  overflow: hidden;
}

.chart-command-strip {
  margin: 0 -16px 14px;
  padding: 8px 12px;
  display: flex;
  justify-content: space-between;
  background: linear-gradient(90deg, rgba(153, 27, 27, 0.96), rgba(92, 21, 21, 0.82));
  color: #fff;
  letter-spacing: 0.16em;
  font-size: 11px;
}

.detail-chart-head {
  margin-bottom: 8px;
}

.detail-chart-wrap {
  position: relative;
  height: 560px;
  padding-top: 4px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.01), transparent 18%),
    rgba(0, 0, 0, 0.18);
}

.chart-legend-box {
  position: absolute;
  left: 14px;
  bottom: 14px;
  z-index: 1;
  min-width: 156px;
  padding: 10px 12px;
  display: grid;
  gap: 4px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(2, 5, 10, 0.82);
  backdrop-filter: blur(6px);
  font-size: 12px;
}

.chart-legend-box div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.chart-legend-box span {
  color: var(--muted);
}

.chart-legend-box strong {
  color: var(--text);
}

.detail-grid {
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
}

.detail-note-card,
.recent-table-card {
  padding: 16px 18px;
}

.detail-note-list {
  display: grid;
  gap: 0;
}

.detail-note-row {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 16px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.detail-note-row:last-child {
  border-bottom: 0;
}

.detail-note-row span,
.recent-move-row span {
  color: var(--muted);
}

.recent-moves {
  display: grid;
}

.recent-move-row {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr 0.9fr 0.9fr;
  gap: 12px;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.recent-move-row:last-child {
  border-bottom: 0;
}

.recent-move-row em {
  font-style: normal;
}

.recent-move-head {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.up { color: var(--green); }
.down { color: var(--red); }

@media (max-width: 980px) {
  .hero,
  .toolbar,
  .section-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-meta { text-align: left; }

  .model-chart-grid,
  .comparison-grid,
  .premium-grid,
  .detail-metric-grid,
  .detail-grid {
    grid-template-columns: 1fr;
  }

  .detail-quote-strip,
  .quote-primary {
    flex-direction: column;
    align-items: flex-start;
  }

  .quote-secondary {
    justify-content: flex-start;
  }

  .detail-note-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}