:root {
  --bg-base: #070b14;
  --bg-card: #0f172a;
  --bg-card-alt: #131e36;
  --bg-input: #1e293b;
  --border: #263554;
  --border-light: #334155;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --blue: #3b82f6;
  --blue-soft: rgba(59, 130, 246, 0.16);
  --red: #ef4444;
  --red-soft: rgba(239, 68, 68, 0.16);
  --amber: #f59e0b;
  --amber-soft: rgba(245, 158, 11, 0.16);
  --green: #10b981;
  --purple: #a855f7;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

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

body {
  background: var(--bg-base);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 1.25rem;
  width: 100%;
}

/* Header & Navigation */
.site-header {
  background: linear-gradient(180deg, #0d1527 0%, #09101e 100%);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1rem;
  padding-bottom: 1rem;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.brand-badge {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
  font-weight: 700;
}

.site-title {
  font-size: 1.65rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.site-title .accent {
  color: var(--blue);
}

.site-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.release-badges {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.release-pill {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  padding: 0.4rem 0.75rem;
  display: flex;
  flex-direction: column;
}

.release-pill.highlight-alert {
  border-color: var(--amber);
  background: var(--amber-soft);
}

.pill-label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.pill-val {
  font-size: 0.8rem;
  font-weight: 600;
  font-family: var(--font-mono);
}

.main-nav {
  background: rgba(15, 23, 42, 0.85);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-tabs {
  display: flex;
  gap: 0.35rem;
  overflow-x: auto;
  padding-top: 0.4rem;
}

.nav-tab {
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  color: var(--text-muted);
  padding: 0.65rem 1rem;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}

.nav-tab:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.03);
}

.nav-tab.active {
  color: var(--text-main);
  border-bottom-color: var(--blue);
  background: rgba(59, 130, 246, 0.08);
}

.tab-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.tab-dot.alert {
  background: var(--amber);
  box-shadow: 0 0 8px var(--amber);
}

/* Main Content & Tabs */
.main-content {
  padding-top: 1.5rem;
  padding-bottom: 3rem;
  flex: 1;
}

.loading-state {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 1.25rem;
  text-align: center;
  color: var(--amber);
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.hidden {
  display: none !important;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

/* Cards & Grids */
.audit-hero {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.85) 0%, rgba(15, 23, 42, 0.95) 100%);
  border: 1px solid var(--border);
  border-radius: 0.85rem;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.audit-hero-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.audit-hero h2 {
  font-size: 1.45rem;
  margin: 0.4rem 0 0.5rem;
}

.hero-lead {
  color: var(--text-muted);
  font-size: 0.95rem;
  max-width: 980px;
}

.badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border-radius: 0.35rem;
}

.badge-danger {
  background: var(--red-soft);
  color: #fca5a5;
  border: 1px solid rgba(239, 68, 68, 0.4);
}

.btn {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 1rem;
  border-radius: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}

.btn-outline {
  background: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-light);
}

.btn-outline:hover {
  border-color: var(--blue);
  background: var(--blue-soft);
}

.kpi-grid {
  display: grid;
  gap: 1rem;
}

.kpi-grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 4px solid var(--border-light);
  border-radius: 0.65rem;
  padding: 1rem 1.15rem;
}

.kpi-card.border-amber { border-left-color: var(--amber); }
.kpi-card.border-red { border-left-color: var(--red); }
.kpi-card.border-blue { border-left-color: var(--blue); }
.kpi-card.border-purple { border-left-color: var(--purple); }
.kpi-card.border-green { border-left-color: var(--green); }

.kpi-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.3rem;
}

.kpi-value {
  font-size: 1.55rem;
  font-weight: 800;
  font-family: var(--font-mono);
  margin-bottom: 0.35rem;
}

.kpi-unit {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
}

.kpi-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 0.85rem;
  padding: 1.35rem;
}

.section-card {
  margin-bottom: 1.5rem;
}

.card-header-flex {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.15rem;
  flex-wrap: wrap;
}

.card h3, .card h2 {
  font-size: 1.15rem;
  margin-bottom: 0.25rem;
}

.card-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.btn-chip {
  background: var(--bg-input);
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 0.45rem 0.85rem;
  border-radius: 0.45rem;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
}

.btn-chip.active {
  background: var(--blue-soft);
  color: #93c5fd;
  border-color: var(--blue);
}

/* Stage Grid */
.stage-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 1rem;
}

.stage-box {
  background: var(--bg-card-alt);
  border: 1px solid var(--border);
  border-radius: 0.65rem;
  padding: 1rem;
}

.stage-step {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--amber);
  margin-bottom: 0.65rem;
}

.stage-Row {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  padding: 0.25rem 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.07);
}

.stage-margin {
  margin: 0.65rem 0;
  padding: 0.4rem 0.65rem;
  border-radius: 0.4rem;
  font-weight: 700;
  font-size: 0.85rem;
  text-align: center;
}

.rep-lead { background: var(--red-soft); color: #fca5a5; border: 1px solid rgba(239, 68, 68, 0.35); }
.dem-lead { background: var(--blue-soft); color: #93c5fd; border: 1px solid rgba(59, 130, 246, 0.35); }
.amber-lead { background: var(--amber-soft); color: #fcd34d; border: 1px solid rgba(245, 158, 11, 0.35); }

.stage-note {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.formula-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 1rem;
}

.formula-box {
  background: var(--bg-card-alt);
  border: 1px solid var(--border);
  border-radius: 0.65rem;
  padding: 1.1rem;
}

.formula-box h4 {
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

.equation {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border);
  padding: 0.65rem;
  border-radius: 0.45rem;
  margin-bottom: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: #fde68a;
}

/* Tables */
.table-responsive {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.84rem;
}

.data-table th,
.data-table td {
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  white-space: nowrap;
}

.data-table th {
  background: rgba(15, 23, 42, 0.9);
  color: var(--text-muted);
  font-size: 0.73rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 700;
}

.data-table th.num,
.data-table td.num {
  text-align: right;
  font-family: var(--font-mono);
}

.data-table tbody tr:hover {
  background: rgba(59, 130, 246, 0.07);
}

.data-table tbody tr.clickable-row {
  cursor: pointer;
}

.data-table tbody tr.selected-row {
  background: rgba(59, 130, 246, 0.16);
}

.data-table tfoot th,
.data-table tfoot td {
  background: var(--bg-card-alt);
  font-weight: 700;
  border-top: 2px solid var(--border-light);
}

.text-blue { color: #60a5fa; }
.text-red { color: #f87171; }
.text-amber { color: #fbbf24; }
.text-green { color: #34d399; }
.text-muted { color: var(--text-muted); }

/* Controls & Inputs */
.select-input,
.text-input {
  background: var(--bg-input);
  color: var(--text-main);
  border: 1px solid var(--border-light);
  border-radius: 0.45rem;
  padding: 0.48rem 0.75rem;
  font-size: 0.85rem;
}

.text-input {
  min-width: 240px;
}

.filter-bar {
  display: flex;
  gap: 0.6rem;
  align-items: center;
  flex-wrap: wrap;
}

.control-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-right: 0.4rem;
}

/* Solver & Simulator */
.solver-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 1.5rem;
  align-items: start;
}

@media (max-width: 960px) {
  .solver-grid,
  .map-and-detail-grid,
  .grid-2col,
  .explorer-layout {
    grid-template-columns: 1fr !important;
  }
}

.solver-controls {
  background: var(--bg-card-alt);
  border: 1px solid var(--border);
  border-radius: 0.65rem;
  padding: 1.15rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.slider-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.84rem;
  margin-bottom: 0.35rem;
}

.range-slider {
  width: 100%;
  accent-color: var(--blue);
}

.solver-results {
  background: var(--bg-card-alt);
  border: 1px solid var(--border);
  border-radius: 0.65rem;
  padding: 1.2rem;
}

/* Map & Detail Layout */
.section-intro {
  margin-bottom: 1.25rem;
}

.section-intro h2 {
  font-size: 1.35rem;
  margin-bottom: 0.25rem;
}

.section-intro p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.map-and-detail-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 1.25rem;
  margin: 1.25rem 0;
}

.svg-map-wrapper {
  width: 100%;
  height: 500px;
  background: #080e1c;
  border: 1px solid var(--border);
  border-radius: 0.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.svg-map-wrapper svg {
  width: 100%;
  height: 100%;
}

.map-poly {
  stroke: #0f172a;
  stroke-width: 1.2px;
  cursor: pointer;
  transition: opacity 0.15s, stroke-width 0.15s;
}

.map-poly:hover,
.map-poly.active-poly {
  stroke: #fbbf24;
  stroke-width: 2.5px;
  opacity: 0.92;
}

.map-legend {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 0.75rem;
  flex-wrap: wrap;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.swatch {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  display: inline-block;
}

.swatch.d-strong { background: #1d4ed8; }
.swatch.d-lean { background: #60a5fa; }
.swatch.neutral { background: #64748b; }
.swatch.r-lean { background: #f87171; }
.swatch.r-strong { background: #b91c1c; }

.grid-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.svg-chart-box {
  width: 100%;
  height: 270px;
  margin-top: 0.75rem;
  background: #09101f;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  padding: 0.5rem;
}

/* Explorer Layout */
.explorer-layout {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 1.25rem;
  align-items: start;
}

.explorer-list-wrap {
  max-height: 680px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: 0.6rem;
}

.jur-deep-dive {
  background: var(--bg-card-alt);
  border: 1px solid var(--border);
  border-radius: 0.65rem;
  padding: 1.15rem;
}

/* Official Results Contests Grid */
.contests-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 1rem;
}

.contest-card {
  background: var(--bg-card-alt);
  border: 1px solid var(--border);
  border-radius: 0.65rem;
  padding: 1rem;
}

.contest-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.3rem;
}

.contest-title {
  font-size: 0.96rem;
  font-weight: 700;
  margin-bottom: 0.65rem;
}

.choice-row {
  margin-bottom: 0.5rem;
}

.choice-top {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  margin-bottom: 0.2rem;
}

.choice-bar-bg {
  height: 7px;
  background: rgba(255, 255, 255, 0.07);
  border-radius: 4px;
  overflow: hidden;
}

.choice-bar-fill {
  height: 100%;
  border-radius: 4px;
}

.bar-blue { background: var(--blue); }
.bar-red { background: var(--red); }
.bar-green { background: var(--green); }
.bar-amber { background: var(--amber); }
.bar-neutral { background: #64748b; }

.site-footer {
  border-top: 1px solid var(--border);
  background: #060a12;
  padding: 1.25rem 0;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

.tab-dot.info {
  background: var(--blue);
  box-shadow: 0 0 8px var(--blue);
}

.badge-info {
  background: var(--blue-soft);
  color: #93c5fd;
  border: 1px solid rgba(59, 130, 246, 0.45);
}

.checkbox-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: var(--bg-input);
  border: 1px solid var(--border-light);
  padding: 0.45rem 0.75rem;
  border-radius: 0.5rem;
  font-size: 0.82rem;
  color: var(--text-main);
  cursor: pointer;
}

.scrubber-bar {
  background: var(--bg-card-alt);
  border: 1px solid var(--border);
  border-radius: 0.65rem;
  padding: 0.85rem 1.1rem;
  margin-bottom: 1.15rem;
}

.scrubber-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  font-size: 0.85rem;
  margin-bottom: 0.55rem;
}

.inline-link {
  color: #60a5fa;
  text-decoration: underline;
  font-weight: 600;
}

.inline-link:hover {
  color: #93c5fd;
}