/* QRA Watch — Design System v2 */

:root {
  color-scheme: light dark;
  --color-bg: #ffffff;
  --color-surface: #f8fafc;
  --color-surface-alt: #f1f5f9;
  --color-border: #e2e8f0;
  --color-border-strong: #cbd5e1;
  --color-text: #1a202c;
  --color-text-secondary: #64748b;
  --color-text-muted: #94a3b8;
  --color-primary: #0f1729;
  --color-primary-light: #1e3a5f;
  --color-accent: #2563eb;
  --color-accent-hover: #1d4ed8;
  --color-accent-subtle: rgba(37, 99, 235, 0.08);
  --color-positive: #16a34a;
  --color-negative: #dc2626;
  --color-headline: #166534;
  --color-headline-bg: #f0fdf4;
  --color-headline-border: #bbf7d0;
  --color-summary: #9a3412;
  --color-summary-bg: #fff7ed;
  --color-supporting: #475569;
  --color-supporting-bg: #f8fafc;
  --color-caution: #92400e;
  --color-caution-bg: #fffbeb;
  --color-caution-border: #fde68a;
  --color-notstarted: #64748b;
  --color-notstarted-bg: #f1f5f9;
  --color-row-hover: rgba(37, 99, 235, 0.025);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
  --max-width: 1120px;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -2px rgba(0,0,0,0.05);
}

/* ── Dark Theme ── */

[data-theme="dark"] {
  --color-bg: #0f172a;
  --color-surface: #1e293b;
  --color-surface-alt: #1a2332;
  --color-border: #334155;
  --color-border-strong: #475569;
  --color-text: #e2e8f0;
  --color-text-secondary: #94a3b8;
  --color-text-muted: #64748b;
  --color-primary: #070d1a;
  --color-primary-light: #1e3a5f;
  --color-accent: #60a5fa;
  --color-accent-hover: #93bbfd;
  --color-accent-subtle: rgba(96, 165, 250, 0.1);
  --color-positive: #4ade80;
  --color-negative: #f87171;
  --color-headline: #4ade80;
  --color-headline-bg: rgba(22, 101, 52, 0.25);
  --color-headline-border: rgba(22, 101, 52, 0.5);
  --color-summary: #fb923c;
  --color-summary-bg: rgba(154, 52, 18, 0.25);
  --color-supporting: #cbd5e1;
  --color-supporting-bg: rgba(71, 85, 105, 0.35);
  --color-caution: #fbbf24;
  --color-caution-bg: rgba(146, 64, 14, 0.2);
  --color-caution-border: rgba(146, 64, 14, 0.5);
  --color-notstarted: #94a3b8;
  --color-notstarted-bg: rgba(51, 65, 85, 0.5);
  --color-row-hover: rgba(96, 165, 250, 0.07);
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.4);
  --shadow: 0 1px 3px rgba(0,0,0,0.5), 0 1px 2px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.4), 0 2px 4px -1px rgba(0,0,0,0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.5), 0 4px 6px -2px rgba(0,0,0,0.3);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-bg: #0f172a;
    --color-surface: #1e293b;
    --color-surface-alt: #1a2332;
    --color-border: #334155;
    --color-border-strong: #475569;
    --color-text: #e2e8f0;
    --color-text-secondary: #94a3b8;
    --color-text-muted: #64748b;
    --color-primary: #070d1a;
    --color-primary-light: #1e3a5f;
    --color-accent: #60a5fa;
    --color-accent-hover: #93bbfd;
    --color-accent-subtle: rgba(96, 165, 250, 0.1);
    --color-positive: #4ade80;
    --color-negative: #f87171;
    --color-headline: #4ade80;
    --color-headline-bg: rgba(22, 101, 52, 0.25);
    --color-headline-border: rgba(22, 101, 52, 0.5);
    --color-summary: #fb923c;
    --color-summary-bg: rgba(154, 52, 18, 0.25);
    --color-supporting: #cbd5e1;
    --color-supporting-bg: rgba(71, 85, 105, 0.35);
    --color-caution: #fbbf24;
    --color-caution-bg: rgba(146, 64, 14, 0.2);
    --color-caution-border: rgba(146, 64, 14, 0.5);
    --color-notstarted: #94a3b8;
    --color-notstarted-bg: rgba(51, 65, 85, 0.5);
    --color-row-hover: rgba(96, 165, 250, 0.07);
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.4);
    --shadow: 0 1px 3px rgba(0,0,0,0.5), 0 1px 2px rgba(0,0,0,0.4);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.4), 0 2px 4px -1px rgba(0,0,0,0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.5), 0 4px 6px -2px rgba(0,0,0,0.3);
  }
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: no-preference) {
  body { transition: background 0.2s ease, color 0.2s ease; }
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Hero ── */

#hero {
  background: var(--color-primary);
  color: #fff;
  padding: 56px 0 48px;
}

.hero-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.hero-text { max-width: 720px; }

#hero h1 {
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 4px;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.65);
  font-weight: 500;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.hero-desc {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.72);
  line-height: 1.65;
  max-width: 640px;
}

.hero-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.12);
}

.hero-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 500;
  color: rgba(255,255,255,0.82);
  white-space: nowrap;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.hero-cta {
  display: inline-block;
  padding: 9px 20px;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  color: rgba(255,255,255,0.85);
  border: 1px solid rgba(255,255,255,0.2);
  transition: all 0.15s ease;
}

.hero-cta:hover {
  background: rgba(255,255,255,0.1);
  color: #fff;
  border-color: rgba(255,255,255,0.3);
}

.hero-cta-primary {
  background: rgba(255,255,255,0.12);
  color: #fff;
  border-color: rgba(255,255,255,0.25);
}

.hero-cta-primary:hover {
  background: rgba(255,255,255,0.18);
}

/* ── Theme Toggle ── */

.theme-toggle {
  background: none;
  border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.8);
  width: 36px;
  height: 36px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all 0.15s ease;
  flex-shrink: 0;
}

.theme-toggle:hover {
  background: rgba(255,255,255,0.1);
  color: #fff;
  border-color: rgba(255,255,255,0.3);
}

/* ── Nav ── */

nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

nav .container {
  display: flex;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

nav .container::-webkit-scrollbar { display: none; }

nav a {
  display: block;
  padding: 14px 18px;
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}

nav a:hover { color: var(--color-text); }

nav a.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* ── Sections ── */

section {
  padding: 56px 0;
  border-bottom: 1px solid var(--color-border);
}

section:last-of-type { border-bottom: none; }

.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.section-desc {
  color: var(--color-text-secondary);
  font-size: 0.92rem;
  margin-bottom: 32px;
  max-width: 720px;
  line-height: 1.65;
}

.section-desc code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--color-surface);
  padding: 1px 5px;
  border-radius: 3px;
  border: 1px solid var(--color-border);
}

.section-subtitle {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 36px 0 12px;
  letter-spacing: -0.01em;
}

.section-subtitle:first-child { margin-top: 0; }

/* ── Evidence Ladder ── */

.evidence-ladder {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

.evidence-lane {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  position: relative;
}

.evidence-lane::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.evidence-lane-headline::before { background: var(--color-headline); }
.evidence-lane-supporting::before { background: var(--color-accent); }
.evidence-lane-causal::before { background: var(--color-caution); }

.evidence-lane-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}

.evidence-lane-headline .evidence-lane-label { color: var(--color-headline); }
.evidence-lane-supporting .evidence-lane-label { color: var(--color-accent); }
.evidence-lane-causal .evidence-lane-label { color: var(--color-caution); }

.evidence-lane h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.evidence-lane p {
  font-size: 0.84rem;
  color: var(--color-text-secondary);
  line-height: 1.55;
}

/* ── Claim Panels ── */

.claim-panels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 24px 0 32px;
}

.claim-panel {
  padding: 20px 24px;
  border-radius: var(--radius-lg);
  border: 1px solid;
}

.claim-panel-can {
  background: var(--color-headline-bg);
  border-color: var(--color-headline-border);
}

.claim-panel-cannot {
  background: var(--color-caution-bg);
  border-color: var(--color-caution-border);
}

.claim-panel-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}

.claim-panel-can .claim-panel-label { color: var(--color-headline); }
.claim-panel-cannot .claim-panel-label { color: var(--color-caution); }

.claim-panel p {
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--color-text);
}

/* ── Status Badges ── */

.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge-headline_ready {
  background: var(--color-headline-bg);
  color: var(--color-headline);
}

.badge-summary_ready {
  background: var(--color-summary-bg);
  color: var(--color-summary);
}

.badge-supporting_ready {
  background: var(--color-supporting-bg);
  color: var(--color-supporting);
}

.badge-supporting_provisional {
  background: var(--color-supporting-bg);
  color: var(--color-supporting);
}

.badge-not_started {
  background: var(--color-notstarted-bg);
  color: var(--color-notstarted);
}

.role-pill {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  line-height: 1.4;
  vertical-align: middle;
}

.role-headline {
  background: var(--color-headline-bg);
  color: var(--color-headline);
}

.role-supporting {
  background: var(--color-supporting-bg);
  color: var(--color-supporting);
}

/* ── Card Grid ── */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.card-grid-3 {
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
}

.card-title {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.card-value {
  font-size: 1.5rem;
  font-weight: 700;
  font-family: var(--font-mono);
  margin-bottom: 4px;
}

.card-meta {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  margin-top: 2px;
}

.card-inline-label {
  color: var(--color-text-secondary);
}

/* (Figure cards removed — all charts are now interactive SVG) */

/* ── Charts (interactive SVG) ── */

.chart-container {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  margin-bottom: 24px;
  overflow-x: auto;
  position: relative;
}

.chart-container svg {
  display: block;
  width: 100%;
  height: auto;
}

.chart-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.chart-header-text { flex: 1; min-width: 200px; }

.chart-title {
  font-size: 0.92rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.chart-caption {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.chart-controls {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

.chart-btn {
  padding: 4px 12px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: var(--color-bg);
  color: var(--color-text-secondary);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.12s ease;
}

.chart-btn:hover {
  background: var(--color-surface-alt);
  color: var(--color-text);
}

.chart-btn.active {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

/* ── Chart Tooltip ── */

.chart-tooltip {
  position: fixed;
  z-index: 200;
  pointer-events: none;
  background: var(--color-primary);
  color: #fff;
  padding: 7px 12px;
  border-radius: 6px;
  font-size: 0.78rem;
  font-family: var(--font-mono);
  line-height: 1.45;
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(0,0,0,0.25);
  opacity: 0;
  transition: opacity 0.1s ease;
}

.chart-tooltip.visible { opacity: 1; }

.chart-tooltip-label {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.72rem;
  color: rgba(255,255,255,0.7);
  margin-bottom: 2px;
}

/* ── Chart Crosshair ── */

.chart-crosshair {
  stroke: var(--color-text-muted);
  stroke-width: 1;
  stroke-dasharray: 3,3;
  pointer-events: none;
}

.chart-hover-dot {
  pointer-events: none;
  transition: cx 0.05s ease, cy 0.05s ease;
}

/* (Lightbox removed — all charts are now interactive SVG) */

/* ── Dot-Whisker / Coefficient Panel ── */

.coef-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 24px;
}

.coef-panel-block {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
}

.coef-panel-title {
  font-size: 0.92rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.coef-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--color-border);
}

.coef-row:last-child { border-bottom: none; }

.coef-label {
  font-size: 0.82rem;
  min-width: 140px;
  flex-shrink: 0;
}

.coef-value {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  min-width: 90px;
  text-align: right;
}

.coef-stars {
  font-size: 0.75rem;
  color: var(--color-accent);
  min-width: 30px;
}

.coef-bar-wrap {
  flex: 1;
  height: 6px;
  background: var(--color-surface-alt);
  border-radius: 3px;
  position: relative;
  overflow: hidden;
}

.coef-bar {
  height: 100%;
  border-radius: 3px;
  position: absolute;
  top: 0;
}

.coef-bar.positive { background: var(--color-positive); right: 50%; }
.coef-bar.negative { background: var(--color-negative); left: 50%; }

/* ── Supporting Notes ── */

.supporting-note {
  margin: 12px 0 18px;
  padding: 12px 14px;
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-text-secondary);
  font-size: 0.88rem;
  line-height: 1.55;
}

.interpretation-note {
  margin: 12px 0 18px;
  padding: 14px 16px;
  border-radius: var(--radius);
  background: var(--color-caution-bg);
  border: 1px solid var(--color-caution-border);
  color: var(--color-text);
  font-size: 0.86rem;
  line-height: 1.55;
}

.interpretation-note strong {
  color: var(--color-caution);
}

/* ── Progressive Disclosure ── */

details {
  margin: 16px 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}

details summary {
  padding: 12px 16px;
  cursor: pointer;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  background: var(--color-surface);
  user-select: none;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

details summary::-webkit-details-marker { display: none; }

details summary::before {
  content: '\25B6';
  font-size: 0.65rem;
  color: var(--color-text-muted);
  transition: transform 0.15s ease;
}

details[open] summary::before {
  transform: rotate(90deg);
}

details summary:hover {
  color: var(--color-text);
  background: var(--color-surface-alt);
}

details > div,
details > .table-wrap,
details > table {
  padding: 0;
}

/* ── Disclosure Group Tabs ── */

.disclosure-group {
  margin: 16px 0 32px;
}

/* ── Tables ── */

.table-wrap {
  overflow-x: auto;
  margin: 16px 0 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  -webkit-overflow-scrolling: touch;
}

details .table-wrap {
  margin: 0;
  border: none;
  border-top: 1px solid var(--color-border);
  border-radius: 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

thead th {
  background: var(--color-surface);
  padding: 10px 14px;
  text-align: left;
  font-weight: 600;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-secondary);
  border-bottom: 2px solid var(--color-border);
  white-space: nowrap;
}

tbody td {
  padding: 9px 14px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}

tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--color-row-hover); }

td.num, th.num {
  text-align: right;
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

td.positive { color: var(--color-positive); }
td.negative { color: var(--color-negative); }

/* ── Regression Table ── */

.reg-table td.coef-cell .coef {
  font-weight: 600;
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

.reg-table td.coef-cell .se {
  color: var(--color-text-secondary);
  font-size: 0.75rem;
  font-family: var(--font-mono);
}

.reg-table .meta-row td {
  border-top: 2px solid var(--color-border);
  font-weight: 600;
}

/* ── Loading / Error ── */

.loading {
  color: var(--color-text-secondary);
  font-style: italic;
  padding: 24px 0;
}

.error-msg {
  color: var(--color-negative);
  padding: 24px 0;
  font-size: 0.9rem;
}

/* ── Footer ── */

footer {
  background: var(--color-primary);
  color: rgba(255,255,255,0.7);
  padding: 40px 0;
  font-size: 0.85rem;
  line-height: 1.7;
}

footer a {
  color: rgba(255,255,255,0.9);
  text-decoration: underline;
  text-decoration-color: rgba(255,255,255,0.3);
}

footer a:hover { text-decoration-color: rgba(255,255,255,0.7); }

footer .footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 40px;
}

footer h3 {
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 8px;
}

footer code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: rgba(255,255,255,0.1);
  padding: 1px 5px;
  border-radius: 3px;
}

footer .footer-sources { margin-top: 8px; }

/* ── Status Chips (for findings) ── */

.findings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
  margin-bottom: 32px;
}

.finding-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 18px;
}

.finding-card-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.finding-card-value {
  font-size: 1.15rem;
  font-weight: 700;
  font-family: var(--font-mono);
  margin-bottom: 4px;
}

.finding-card-meta {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

/* ── Compact Summary Row ── */

.summary-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 24px;
}

.summary-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  font-size: 0.82rem;
}

.summary-chip strong {
  font-family: var(--font-mono);
  font-weight: 600;
}

/* ── Pricing Hierarchy Labels ── */

.pricing-label {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  vertical-align: middle;
}

.pricing-label-anchor {
  background: var(--color-accent-subtle);
  color: var(--color-accent);
}

.pricing-label-context {
  background: var(--color-headline-bg);
  color: var(--color-headline);
}

.pricing-label-illustrative {
  background: var(--color-caution-bg);
  color: var(--color-caution);
}

.pricing-label-supporting {
  background: var(--color-supporting-bg);
  color: var(--color-supporting);
}

/* ── Responsive ── */

@media (max-width: 900px) {
  .evidence-ladder { grid-template-columns: 1fr; }
  .claim-panels { grid-template-columns: 1fr; }
  .coef-panel { grid-template-columns: 1fr; }
  .figure-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  #hero { padding: 36px 0 32px; }
  #hero h1 { font-size: 1.65rem; }
  .hero-subtitle { font-size: 1rem; }
  section { padding: 40px 0; }
  .section-title { font-size: 1.3rem; }
  .card-grid { grid-template-columns: 1fr 1fr; }
  .findings-grid { grid-template-columns: 1fr 1fr; }
  footer .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  nav a { padding: 12px 14px; font-size: 0.8rem; }
}

@media (max-width: 480px) {
  .card-grid { grid-template-columns: 1fr; }
  .findings-grid { grid-template-columns: 1fr; }
  .container { padding: 0 16px; }
  .hero-ctas { flex-direction: column; }
  .hero-cta { text-align: center; }
}

/* ── Print ── */

@media print {
  nav, .hero-ctas, .theme-toggle, details summary { display: none; }
  #hero { background: #fff; color: #000; padding: 20px 0; }
  section { padding: 20px 0; break-inside: avoid; }
}