:root {
  --accent: #1E90FF;
  --accent-hover: #0066CC;
  --bg: #fafafa;
  --text: #1a1a1a;
  --text-muted: #666;
  --border: #ddd;
  --card-bg: #fff;
  --radius: 6px;
  --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;
}

html.dark {
  --accent: #4da6ff;
  --accent-hover: #80bfff;
  --bg: #1a1a1a;
  --text: #e0e0e0;
  --text-muted: #999;
  --border: #333;
  --card-bg: #252525;
  --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;
}
html.dark .tier-low, html.dark .tier-avg { color: #1a1a1a; }

.theme-toggle {
  position: fixed;
  bottom: 16px;
  right: 16px;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  background: var(--card-bg);
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  z-index: 9999;
  opacity: 0.5;
  transition: opacity 0.15s;
}
.theme-toggle:hover { opacity: 1; }

* { box-sizing: border-box; }

body {
  font-family: var(--font-mono);
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

.container { max-width: 960px; margin: 0 auto; padding: 20px; }

header { margin-bottom: 30px; }
header .back { font-size: 0.8rem; color: var(--text-muted); }
h1 { font-size: 1.8rem; margin: 10px 0 6px; font-weight: 700; letter-spacing: -0.5px; }
.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;
}
.summary-card .value {
  font-size: 1.4rem;
  font-weight: 700;
}
.summary-card .detail {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Section titles */
.section-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 12px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 6px;
}

.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-mono);
  font-size: 0.8rem;
  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-mono);
  font-size: 0.75rem;
  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);
  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: 0.8rem;
}
th {
  position: sticky;
  top: 0;
  background: var(--card-bg);
  padding: 10px 12px;
  text-align: left;
  font-weight: 600;
  border-bottom: 2px solid var(--border);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}
th:hover { color: var(--accent); }
th .sort-arrow { font-size: 0.65rem; margin-left: 4px; opacity: 0.4; }
th.sorted .sort-arrow { opacity: 1; color: var(--accent); }
td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
tr:hover td { background: rgba(30,144,255,0.03); }
.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: 0.9rem;
}
.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; }
  .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; }
}
.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-mono);
  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: 2px solid var(--border);
  margin-bottom: 24px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.tab-btn {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 10px 18px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  color: var(--text-muted);
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.15s, border-color 0.15s;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  font-weight: 600;
}
.tab-pane { display: none; }
.tab-pane.active { display: block; }

.chart-tooltip {
  position: fixed;
  pointer-events: none;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.5;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
  z-index: 1000;
  max-width: 300px;
  display: none;
}
.chart-tooltip b { font-weight: 600; }

.story { margin-bottom: 40px; padding-bottom: 32px; border-bottom: 1px solid var(--border); }
.story:last-child { border-bottom: none; }
.story-kicker { font-family: var(--font-mono); font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--accent); margin-bottom: 4px; }
.story h2 { font-size: 1.35rem; line-height: 1.3; margin: 0 0 6px; }
.story .byline { font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-muted); margin-bottom: 14px; }
.story .dateline { font-family: var(--font-mono); font-size: 0.65rem; color: var(--text-muted); margin-top: -10px; margin-bottom: 14px; }
.story p { line-height: 1.7; margin: 0 0 12px; }
.story .pull-stat { font-family: var(--font-mono); font-size: 2rem; font-weight: 700; color: var(--accent); line-height: 1.1; margin: 16px 0 4px; }
.story .pull-label { font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-muted); margin-bottom: 16px; }
.story-disclaimer { font-family: var(--font-mono); font-size: 0.68rem; color: var(--text-muted); border-top: 1px solid var(--border); padding-top: 16px; margin-top: 32px; line-height: 1.6; }

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

.story h1 { font-size: 1.6rem; line-height: 1.3; margin: 0 0 6px; }
.site-footer { margin-top: 32px; padding-top: 16px; border-top: 1px solid var(--border); font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-muted); line-height: 1.6; }
.story-card { display: block; background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px 24px; margin-bottom: 16px; text-decoration: none; color: inherit; transition: border-color 0.15s, box-shadow 0.15s; }
.story-card:hover { border-color: var(--accent); box-shadow: 0 2px 8px rgba(0,0,0,0.08); color: inherit; }
.story-card .story-kicker { margin-bottom: 4px; }
.story-card h3 { font-size: 1.1rem; line-height: 1.3; margin: 0 0 8px; color: var(--text); }
.story-card .story-deck { font-size: 0.78rem; color: var(--text-muted); line-height: 1.5; margin: 0; }
.story-card .story-meta { font-size: 0.68rem; color: var(--text-muted); margin-top: 8px; }