:root {
  --accent: #D32F2F;
  --accent-hover: #B71C1C;
  --accent-blue: #1E90FF;
  --bg: #FAFAF8;
  --text: #1a1a1a;
  --text-muted: #666;
  --border: #e0e0e0;
  --card-bg: #fff;
  --radius: 8px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'SF Mono', 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', monospace;
  --tier-very-low: #2e7d32;
  --tier-low: #66bb6a;
  --tier-avg: #fbc02d;
  --tier-elevated: #f57c00;
  --tier-high: #d32f2f;
  --tier-very-high: #8b0000;
  --fars-passenger: #4285F4;
  --fars-light-truck: #34A853;
  --fars-motorcycle: #EA4335;
  --fars-pedestrian: #FBBC04;
  --fars-pedalcyclist: #9C27B0;
  --fars-overall: #607D8B;
  --fars-bar: #4285F4;
  --fars-line: #EA4335;
  --fars-estimate: rgba(66,133,244,0.45);
  --cls-sedan: #5C6BC0;
  --cls-suv: #26A69A;
  --cls-pickup: #FF7043;
  --cls-van: #AB47BC;
  --cls-sports: #EF5350;
  --tox-alcohol: #FF6B35;
  --tox-drug: #9C27B0;
  --tox-any: #D32F2F;
  --myear-1: #4285F4;
  --myear-2: #EA4335;
  --myear-3: #34A853;
  --myear-4: #FBBC04;
  --myear-5: #9C27B0;
  --myear-6: #FF6F00;
  --myear-7: #00ACC1;
  --myear-8: #8D6E63;
  --myear-9: #EC407A;
  --myear-10: #7CB342;
}

html.dark {
  --accent: #FF5252;
  --accent-hover: #FF8A80;
  --accent-blue: #4DA6FF;
  --bg: #121212;
  --text: #e0e0e0;
  --text-muted: #999;
  --border: #333;
  --card-bg: #1E1E1E;
  --fars-passenger: #6ea8f7;
  --fars-light-truck: #5ec76e;
  --fars-motorcycle: #f06858;
  --fars-pedestrian: #fdd663;
  --fars-pedalcyclist: #ba68c8;
  --fars-overall: #90a4ae;
  --fars-bar: #6ea8f7;
  --fars-line: #f06858;
  --fars-estimate: rgba(110,168,247,0.40);
  --cls-sedan: #7986CB;
  --cls-suv: #4DB6AC;
  --cls-pickup: #FF8A65;
  --cls-van: #CE93D8;
  --cls-sports: #EF7070;
  --tox-alcohol: #FF8A65;
  --tox-drug: #CE93D8;
  --tox-any: #EF5350;
  --myear-1: #6ea8f7;
  --myear-2: #f06858;
  --myear-3: #5ec76e;
  --myear-4: #fdd663;
  --myear-5: #ba68c8;
  --myear-6: #FFB74D;
  --myear-7: #4DD0E1;
  --myear-8: #A1887F;
  --myear-9: #F06292;
  --myear-10: #AED581;
}
html.dark .tier-low, html.dark .tier-avg { color: #1a1a1a; }

.theme-toggle {
  position: fixed;
  bottom: 16px;
  right: 16px;
  padding: 8px 14px;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 500;
  background: var(--card-bg);
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 20px;
  cursor: pointer;
  z-index: 9999;
  opacity: 0.6;
  transition: opacity 0.15s;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
.theme-toggle:hover { opacity: 1; }

* { box-sizing: border-box; }

body {
  font-family: var(--font-sans);
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--accent); text-decoration: none; transition: color 0.15s; }
a:hover { color: var(--accent-hover); }

.container { max-width: 1080px; margin: 0 auto; padding: 20px; }

/* ── Masthead ── */
.masthead {
  text-align: center;
  padding: 32px 0 8px;
  margin-bottom: 0;
}
.masthead-inner {
  display: flex;
  align-items: center;
  gap: 14px;
  justify-content: center;
}
.masthead-logo {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  object-fit: cover;
}
.masthead-text h1 {
  font-family: var(--font-sans);
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: 0;
  line-height: 1.1;
}
.masthead-tagline {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin: 4px 0 0;
  font-weight: 400;
  letter-spacing: 0.02em;
}

header { margin-bottom: 30px; }
header .back { font-size: 0.82rem; color: var(--text-muted); font-weight: 500; }
header .back:hover { color: var(--accent); }
h1 { font-family: var(--font-sans); font-size: 1.8rem; margin: 10px 0 6px; font-weight: 700; letter-spacing: -0.02em; }
.subtitle { font-size: 0.85rem; color: var(--text-muted); margin: 0; }

/* Summary Cards */
.summary-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 28px;
}
.summary-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
}
.summary-card .label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 4px;
  font-family: var(--font-sans);
}
.summary-card .value {
  font-size: 1.4rem;
  font-weight: 700;
  font-family: var(--font-mono);
}
.summary-card .detail {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Section titles */
.section-title {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  margin-bottom: 14px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
  font-weight: 600;
}

.section { margin-bottom: 32px; }

/* Controls */
.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
  align-items: center;
}
.controls input[type="text"],
.controls select {
  padding: 8px 12px;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card-bg);
  color: var(--text);
}
.controls input[type="text"] { flex: 1; min-width: 160px; }
.controls select { min-width: 120px; }
.controls input:focus, .controls select:focus {
  outline: none; border-color: var(--accent);
}

.toggle-group {
  display: flex;
  flex-wrap: wrap;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.toggle-btn {
  padding: 7px 14px;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  border: none;
  background: var(--card-bg);
  color: var(--text);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
}
.toggle-btn + .toggle-btn { border-left: 1px solid var(--border); }
.toggle-btn.active {
  background: var(--accent-blue);
  color: #fff;
}

/* Chart */
.chart-wrap {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  overflow-x: auto;
}
canvas { display: block; }

/* Data Table */
.table-wrap {
  overflow-x: auto;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}
th {
  position: sticky;
  top: 0;
  background: var(--card-bg);
  padding: 10px 12px;
  text-align: left;
  font-weight: 600;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 2px solid var(--border);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}
th:hover { color: var(--accent); }
th .sort-arrow {
  display: inline-flex;
  flex-direction: column;
  vertical-align: middle;
  margin-left: 4px;
  line-height: 1;
  gap: 0;
  font-size: 0.55rem;
  transition: transform 0.2s ease;
}
th .sort-arrow .arr-up,
th .sort-arrow .arr-dn {
  opacity: 0.25;
  transition: opacity 0.2s ease, color 0.2s ease, transform 0.15s ease;
  display: block;
  line-height: 0.7;
}
th:hover .sort-arrow .arr-up,
th:hover .sort-arrow .arr-dn { opacity: 0.5; }
th.sorted-asc .sort-arrow .arr-up { opacity: 1; color: var(--accent); transform: scale(1.3); }
th.sorted-asc .sort-arrow .arr-dn { opacity: 0.15; }
th.sorted-desc .sort-arrow .arr-dn { opacity: 1; color: var(--accent); transform: scale(1.3); }
th.sorted-desc .sort-arrow .arr-up { opacity: 0.15; }
td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
tr:hover td { background: rgba(0,0,0,0.02); }
.no-results td {
  text-align: center;
  color: var(--text-muted);
  padding: 24px;
  font-style: italic;
}

/* Tier badges */
.tier-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 3px;
  font-size: 0.7rem;
  font-weight: 600;
  color: #fff;
}
.tier-very-low  { background: var(--tier-very-low); }
.tier-low       { background: var(--tier-low); color: #1a1a1a; }
.tier-avg       { background: var(--tier-avg); color: #1a1a1a; }
.tier-elevated  { background: var(--tier-elevated); }
.tier-high      { background: var(--tier-high); }
.tier-very-high { background: var(--tier-very-high); }

/* Class averages */
.class-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
}
.class-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.class-card .class-name {
  font-size: 0.8rem;
  font-weight: 600;
}
.class-card .class-rate {
  font-size: 1.1rem;
  font-weight: 700;
}
.class-bar {
  height: 4px;
  border-radius: 2px;
  margin-top: 6px;
}

/* Methodology */
.methodology {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  font-size: 0.8rem;
  line-height: 1.7;
}
.methodology h3 {
  margin: 0 0 10px;
  font-size: 1rem;
  font-family: var(--font-sans);
  font-weight: 700;
}
.methodology p { margin: 8px 0; }
.methodology ul {
  margin: 8px 0;
  padding-left: 20px;
}
.methodology li { margin: 4px 0; }

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 0.72rem;
}
.legend-item {
  display: flex;
  align-items: center;
  gap: 5px;
}
.legend-swatch {
  width: 14px;
  height: 14px;
  border-radius: 2px;
}

.count-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.callout-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  text-align: center;
}
.callout-card .label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.callout-card .value {
  font-size: 1.4rem;
  font-weight: 700;
}
.callout-card .detail {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.fars-note {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 8px;
  font-style: italic;
}

@media (max-width: 600px) {
  h1 { font-size: 1.4rem; }
  .masthead-text h1 { font-size: 1.6rem; }
  .summary-cards { grid-template-columns: 1fr 1fr; }
  .controls { flex-direction: column; }
  .controls input[type="text"] { min-width: 100%; }
  .controls select { min-width: 100%; }
  .toggle-btn { padding: 7px 10px; font-size: 0.7rem; }
  td, th { padding: 6px 8px; font-size: 0.72rem; }
  .story-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 20px; }
  .tab-btn { padding: 10px 12px; font-size: 0.72rem; }
}
.chip-container {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  cursor: pointer;
}
.chip .chip-x {
  font-size: 0.65rem;
  opacity: 0.6;
}
.chip:hover .chip-x { opacity: 1; }

.tab-bar {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 28px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  justify-content: center;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.tab-bar::-webkit-scrollbar { display: none; }
.tab-btn {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 12px 20px;
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  margin-bottom: -1px;
  color: var(--text-muted);
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.15s, border-color 0.15s;
  position: relative;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  font-weight: 700;
}
.tab-pane { display: none; opacity: 0; transition: opacity 0.25s ease-in-out; }
.tab-pane.active { display: block; opacity: 1; }
.tab-pane.tab-entering { display: block; opacity: 0; }
.tab-pane.tab-entering.active { opacity: 1; }

/* Preset buttons */
.preset-btn {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 500;
  padding: 6px 12px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  color: var(--text);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, transform 0.1s;
  white-space: nowrap;
}
.preset-btn:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  transform: translateY(-1px);
}
.preset-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.chart-tooltip {
  position: fixed;
  pointer-events: none;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  line-height: 1.5;
  box-shadow: 0 8px 24px rgba(0,0,0,0.18);
  z-index: 1000;
  max-width: 320px;
  display: none;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.15s ease, transform 0.15s ease;
}
.chart-tooltip[style*="display: block"] {
  opacity: 1;
  transform: translateY(0);
}
.chart-tooltip b { font-weight: 600; }

/* ── Story Article Layout ── */
.story { margin-bottom: 40px; padding-bottom: 32px; border-bottom: 1px solid var(--border); max-width: 680px; margin-left: auto; margin-right: auto; }
.story:last-child { border-bottom: none; }
.story-kicker { font-family: var(--font-sans); font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--accent); margin-bottom: 6px; font-weight: 700; }
.story h2 { font-family: var(--font-sans); font-size: 1.5rem; line-height: 1.25; margin: 0 0 8px; font-weight: 800; letter-spacing: -0.02em; }
.story .byline { font-family: var(--font-sans); font-size: 0.8rem; color: var(--text-muted); margin-bottom: 4px; font-weight: 500; }
.story .dateline { font-family: var(--font-sans); font-size: 0.72rem; color: var(--text-muted); margin-bottom: 6px; }
.story .reading-time { font-family: var(--font-sans); font-size: 0.72rem; color: var(--text-muted); margin-bottom: 20px; opacity: 0.85; }
.story p { line-height: 1.8; margin: 0 0 18px; font-size: 1rem; font-family: var(--font-sans); }
.story p:first-of-type { font-size: 1.05rem; }
.story p:first-of-type strong:first-child { color: var(--accent); }
.story .pull-stat { font-family: var(--font-mono); font-size: 3rem; font-weight: 700; color: var(--accent); line-height: 1.1; margin: 28px 0 4px; text-align: center; }
.story .pull-label { font-family: var(--font-sans); font-size: 0.78rem; color: var(--text-muted); margin-bottom: 24px; text-align: center; }
.story-hero { width: 100%; border-radius: 10px; margin: 20px 0 24px; display: block; }
.story-disclaimer { font-family: var(--font-sans); font-size: 0.72rem; color: var(--text-muted); border-top: 1px solid var(--border); padding-top: 16px; margin-top: 40px; line-height: 1.6; max-width: 680px; margin-left: auto; margin-right: auto; }
/* Reading time & share row */
.story-meta-row { display: flex; align-items: center; gap: 16px; margin-bottom: 20px; padding-bottom: 16px; border-bottom: 1px solid var(--border); font-family: var(--font-sans); font-size: 0.72rem; color: var(--text-muted); }
.story-meta-row .reading-time { display: flex; align-items: center; gap: 4px; }
.story-share { display: flex; gap: 8px; margin-left: auto; }
.story-share a { color: var(--text-muted); text-decoration: none; padding: 4px 8px; border: 1px solid var(--border); border-radius: 4px; font-size: 0.68rem; transition: all 0.15s; }
.story-share a:hover { color: var(--accent); border-color: var(--accent); }

@media (min-width: 1200px) { .container { max-width: 1200px; } }

.story h1 { font-family: var(--font-sans); font-size: 1.8rem; line-height: 1.2; margin: 0 0 8px; font-weight: 800; letter-spacing: -0.02em; }

/* ── Editorial Footer ── */
.site-footer {
  margin-top: 48px;
  padding: 32px 0 24px;
  border-top: 2px solid var(--border);
  font-family: var(--font-sans);
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.7;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 24px;
}
.footer-section h4 {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text);
  margin: 0 0 8px;
  font-weight: 700;
}
.footer-section p { margin: 4px 0; }
.footer-section a { color: var(--text-muted); }
.footer-section a:hover { color: var(--accent); }
.footer-bottom {
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-size: 0.7rem;
  color: var(--text-muted);
  text-align: center;
}

/* ── Story Cards (Findings Grid) ── */
.story-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}
.story-card {
  display: flex;
  flex-direction: column;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  color: inherit;
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}
.story-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
  color: inherit;
}
html.dark .story-card:hover {
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}
.story-card .story-thumb {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}
.story-card-body {
  padding: 16px 20px 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.story-card .story-kicker { margin-bottom: 6px; }
.story-card h3 {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  line-height: 1.3;
  margin: 0 0 8px;
  color: var(--text);
  font-weight: 700;
  letter-spacing: -0.01em;
}
.story-card .story-deck {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0;
  flex: 1;
}
.story-card .story-meta {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
  font-weight: 500;
}

/* Enhanced table row highlighting */
tr.row-selected td {
  background: rgba(211,47,47,0.08) !important;
  border-bottom-color: var(--accent);
}
html.dark tr.row-selected td {
  background: rgba(255,82,82,0.10) !important;
}

/* Table keyboard focus indicator */
tr:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

/* Enhanced tooltip */
.chart-tooltip {
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.chart-tooltip .tooltip-header {
  font-weight: 700;
  font-size: 0.82rem;
  margin-bottom: 6px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}
.chart-tooltip .tooltip-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 2px 0;
}
.chart-tooltip .tooltip-label { color: var(--text-muted); font-size: 0.72rem; }
.chart-tooltip .tooltip-value { font-weight: 600; text-align: right; font-variant-numeric: tabular-nums; }
.chart-tooltip .tooltip-highlight { color: var(--accent); font-weight: 700; }
.chart-tooltip .tooltip-bar {
  height: 4px;
  border-radius: 2px;
  background: var(--border);
  margin-top: 6px;
  overflow: hidden;
}
.chart-tooltip .tooltip-bar-fill {
  height: 100%;
  border-radius: 2px;
  background: var(--accent);
  transition: width 0.2s ease;
}

/* Keyboard shortcut hint badge */
.kbd-hint {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  padding: 2px 6px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-muted);
  vertical-align: middle;
  margin-left: 4px;
  line-height: 1.4;
}

/* Search focus glow */
.controls input[type="text"]:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(211,47,47,0.10);
}
html.dark .controls input[type="text"]:focus {
  box-shadow: 0 0 0 3px rgba(255,82,82,0.12);
}

/* Sort column header active state */
th.sorted, th.sorted-asc, th.sorted-desc {
  background: rgba(211,47,47,0.06);
  border-bottom: 2px solid var(--accent);
}
html.dark th.sorted, html.dark th.sorted-asc, html.dark th.sorted-desc {
  background: rgba(255,82,82,0.10);
  border-bottom: 2px solid var(--accent);
}

/* Scroll-to-top button */
.scroll-top-btn {
  position: fixed;
  bottom: 16px;
  right: 80px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--card-bg);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 1rem;
  cursor: pointer;
  z-index: 9998;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.2s, transform 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.scroll-top-btn.visible {
  opacity: 0.6;
  transform: translateY(0);
}
.scroll-top-btn:hover {
  opacity: 1;
}

/* Canvas chart cursor */
canvas { cursor: crosshair; }

/* ================================================================
   Vehicle Comparison Mode
   ================================================================ */

/* Checkbox column */
.compare-th {
  width: 36px;
  min-width: 36px;
  text-align: center;
  cursor: default;
  font-size: 0.9rem;
}
.compare-cell {
  width: 36px;
  min-width: 36px;
  text-align: center;
  padding: 6px 4px !important;
}
.compare-cb {
  cursor: pointer;
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
}
tr.row-compare td {
  background: rgba(211,47,47,0.05) !important;
}
html.dark tr.row-compare td {
  background: rgba(255,82,82,0.07) !important;
}

/* Comparison tray — sticky bottom bar */
.compare-tray {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--card-bg);
  border-top: 2px solid var(--accent);
  box-shadow: 0 -4px 24px rgba(0,0,0,0.15);
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-family: var(--font-sans);
}
.compare-tray-visible {
  transform: translateY(0);
}
.compare-tray-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px;
}
.compare-tray-title {
  font-weight: 700;
  font-size: 0.85rem;
}
.compare-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  margin-left: 6px;
  vertical-align: middle;
}
.compare-tray-actions {
  display: flex;
  gap: 8px;
}
.compare-tray-btn {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 6px 14px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
}
.compare-tray-btn:active { transform: scale(0.96); }
.compare-expand-btn {
  background: var(--accent);
  color: #fff;
}
.compare-expand-btn:hover { opacity: 0.9; }
.compare-clear-btn {
  background: var(--border);
  color: var(--text-color);
}
.compare-clear-btn:hover { background: var(--text-muted); color: #fff; }

/* Chips row */
.compare-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 0 20px 10px;
}
.compare-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-color);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 8px 4px 10px;
  font-size: 0.75rem;
  font-weight: 500;
}
.compare-chip-name {
  max-width: 150px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.compare-chip-remove {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.8rem;
  padding: 0 2px;
  line-height: 1;
}
.compare-chip-remove:hover { color: var(--accent); }

/* Expandable comparison panel */
.compare-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
.compare-panel-open {
  max-height: 70vh;
  overflow-y: auto;
}
.compare-panel-content {
  padding: 0 20px 16px;
}

/* Comparison grid */
.compare-grid {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.compare-row {
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border);
  min-height: 44px;
}
.compare-header-row {
  border-bottom: 2px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--card-bg);
  z-index: 1;
}
.compare-section-row {
  border-bottom: none;
  margin-top: 8px;
}
.compare-section-label {
  font-weight: 700 !important;
  text-transform: uppercase;
  font-size: 0.7rem !important;
  letter-spacing: 0.04em;
  color: var(--accent) !important;
}
.compare-label-cell {
  flex: 0 0 160px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 8px 12px 8px 0;
}
.compare-vehicle-cell {
  flex: 1;
  min-width: 0;
  padding: 8px 8px;
  font-size: 0.82rem;
}
.compare-vehicle-class {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 2px;
}
.compare-bar-wrap {
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 4px;
}
.compare-bar {
  height: 100%;
  border-radius: 4px;
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.compare-value {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
}
.compare-value-highest {
  font-weight: 700;
  color: var(--accent);
}
.compare-hint {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.82rem;
  padding: 16px;
}

/* Shake animation for limit */
@keyframes tray-shake {
  0%, 100% { transform: translateY(0); }
  20% { transform: translateY(-3px); }
  40% { transform: translateY(2px); }
  60% { transform: translateY(-2px); }
  80% { transform: translateY(1px); }
}
.compare-tray-shake {
  animation: tray-shake 0.4s ease-in-out;
}

/* Mobile responsiveness for compare */
@media (max-width: 700px) {
  .compare-label-cell { flex: 0 0 100px; font-size: 0.68rem; }
  .compare-vehicle-cell { padding: 6px 4px; font-size: 0.72rem; }
  .compare-tray-header { padding: 8px 12px; }
  .compare-chips { padding: 0 12px 8px; }
  .compare-panel-content { padding: 0 12px 12px; }
  .compare-chip-name { max-width: 90px; }
}

/* ═══ Most Dangerous Vehicles Widget ═══ */
.danger-widget {
  margin: 0 0 2rem;
  padding: 1.25rem;
  background: var(--card-bg, #fff);
  border-radius: 8px;
  border: 1px solid var(--border, #e0e0e0);
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}
.dark .danger-widget {
  background: #1e1e1e;
  border-color: #333;
}
.danger-widget-header {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}
.danger-widget-title {
  font-size: 1rem;
  font-weight: 700;
  color: #D32F2F;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.danger-widget-subtitle {
  font-size: 0.8rem;
  color: #888;
}
.danger-toggle-group {
  display: flex;
  gap: 4px;
  margin-left: auto;
  background: var(--bg, #f5f5f5);
  border-radius: 6px;
  padding: 2px;
}
.dark .danger-toggle-group { background: #2a2a2a; }
.danger-toggle {
  padding: 4px 10px;
  font-size: 0.72rem;
  font-weight: 600;
  border: none;
  background: transparent;
  color: #888;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s;
}
.danger-toggle.active {
  background: #D32F2F;
  color: #fff;
}
.danger-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.6rem;
}
.danger-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 0.6rem;
  border-radius: 6px;
  background: var(--bg, #fafafa);
  border: 1px solid transparent;
  transition: all 0.2s;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}
.dark .danger-item { background: #252525; }
.danger-item:hover {
  border-color: #D32F2F;
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(211,47,47,0.15);
}
.danger-rank {
  font-size: 1.1rem;
  font-weight: 800;
  color: #D32F2F;
  min-width: 1.6rem;
  text-align: center;
  font-variant-numeric: tabular-nums;
}
.danger-info { flex: 1; min-width: 0; }
.danger-name {
  font-size: 0.82rem;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.danger-stat {
  font-size: 0.72rem;
  color: #888;
  font-variant-numeric: tabular-nums;
}
.danger-bar-wrap {
  width: 50px;
  height: 6px;
  background: #e8e8e8;
  border-radius: 3px;
  overflow: hidden;
}
.dark .danger-bar-wrap { background: #333; }
.danger-bar-fill {
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, #D32F2F, #ff6659);
  transition: width 0.4s ease;
}


/* Related Stories */
.related-stories {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 2px solid var(--border, #ddd);
}
.dark .related-stories { border-top-color: #333; }
.related-heading {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text, #1a1a1a);
  margin: 0 0 1.2rem 0;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
@media (max-width: 680px) {
  .related-grid { grid-template-columns: 1fr; }
}
.related-card {
  display: flex;
  flex-direction: column;
  background: var(--card-bg, #fff);
  border: 1px solid var(--border, #ddd);
  border-radius: 8px;
  overflow: hidden;
  text-decoration: none;
  color: var(--text, #1a1a1a);
  transition: transform 0.15s, box-shadow 0.15s;
}
.related-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.12);
}
.dark .related-card {
  background: #1e1e1e;
  border-color: #333;
  color: #e0e0e0;
}
.dark .related-card:hover {
  box-shadow: 0 6px 20px rgba(0,0,0,0.4);
}
.related-card-img {
  width: 100%;
  height: 120px;
  object-fit: cover;
}
.related-card-body {
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.related-card-kicker {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #D32F2F;
}
.dark .related-card-kicker { color: #FF5252; }
.related-card-title {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  line-height: 1.3;
}

/* Share buttons bar */
.share-bar { display: flex; align-items: center; gap: 8px; margin: 12px 0 20px; padding: 10px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.share-label { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; font-weight: 600; margin-right: 4px; }
.share-bar a, .share-bar button { display: inline-flex; align-items: center; justify-content: center; min-width: 36px; height: 32px; padding: 0 10px; font-size: 0.75rem; font-weight: 600; color: var(--text-muted); background: var(--card-bg, #fff); border: 1px solid var(--border); border-radius: 6px; text-decoration: none; cursor: pointer; transition: all 0.15s; font-family: inherit; }
.share-bar a:hover, .share-bar button:hover { color: #fff; border-color: transparent; }
.share-bar a[title*="Twitter"]:hover { background: #1da1f2; }
.share-bar a[title*="LinkedIn"]:hover { background: #0077b5; }
.share-bar a[title*="Facebook"]:hover { background: #1877f2; }
.share-bar a[title*="Reddit"]:hover { background: #ff4500; }
.share-bar .copy-link-btn:hover { background: var(--accent); }