/* Electoscope — Design system */
/* Dark mode native. No light mode. */

:root {
  --bg-0: #0D0F11;
  --bg-1: #151820;
  --bg-2: #1C2028;
  --bg-3: #252A34;

  --text-1: #F1F5F9;
  --text-2: #94A3B8;
  --text-3: #475569;
  --text-4: #334155;

  --border: rgba(255, 255, 255, 0.04);
  --border-hover: rgba(255, 255, 255, 0.08);

  --polls: #5BA3E6;
  --polls-bg: rgba(91, 163, 230, 0.04);
  --polls-dim: #1E3A5F;

  --markets: #34D399;
  --markets-bg: rgba(52, 211, 153, 0.04);
  --markets-dim: #1A3D2E;

  --delta: #F59E0B;
  --delta-bg: rgba(245, 158, 11, 0.04);
  --delta-dim: #3D2E0A;

  --radius: 8px;
  --radius-lg: 12px;

  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'SF Mono', 'Cascadia Code', 'JetBrains Mono', 'Fira Code', ui-monospace, monospace;
}

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

html {
  background: var(--bg-0);
  color: var(--text-1);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 16px;
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  border-bottom: 0.5px solid var(--border);
}

.logo {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--text-1);
  text-decoration: none;
}
.logo span { color: var(--delta); }

.nav-links {
  display: flex;
  gap: 24px;
}
.nav-links a {
  font-size: 13px;
  color: var(--text-3);
  text-decoration: none;
  transition: color 0.15s;
}
.nav-links a:hover,
.nav-links a.active { color: var(--text-1); }

/* Hero */
.hero {
  text-align: center;
  padding: 32px 0 24px;
}
.countdown {
  font-size: 11px;
  color: var(--text-3);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.hero h1 {
  font-size: 24px;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}
.hero-sub {
  font-size: 13px;
  color: var(--text-3);
}
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 500;
}
.badge-live {
  background: var(--markets-bg);
  color: var(--markets);
}

/* Hypothesis tabs */
.hypothesis-tabs {
  display: flex;
  gap: 8px;
  padding: 12px 0;
  border-bottom: 0.5px solid var(--border);
}
.hypothesis-tab {
  padding: 6px 14px;
  border-radius: 6px;
  border: 0.5px solid var(--border);
  background: transparent;
  color: var(--text-3);
  font-family: var(--font);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}
.hypothesis-tab:hover {
  color: var(--text-2);
  border-color: var(--border-hover);
}
.hypothesis-tab.active {
  color: var(--text-1);
  border-color: var(--delta);
  background: var(--delta-bg);
}

/* Column headers */
.col-headers {
  display: grid;
  grid-template-columns: 1fr 100px 1fr;
  border-bottom: 0.5px solid var(--border);
}
.col-header {
  padding: 10px 16px;
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.col-header--polls {
  color: var(--polls);
  background: var(--polls-bg);
}
.col-header--delta {
  color: var(--delta);
  background: var(--delta-bg);
  text-align: center;
}
.col-header--markets {
  color: var(--markets);
  background: var(--markets-bg);
  text-align: right;
}

/* Update bar */
.update-bar {
  display: flex;
  justify-content: space-between;
  padding: 8px 16px;
  font-size: 11px;
  color: var(--text-4);
  border-bottom: 0.5px solid var(--border);
}

/* Data grid */
.data-grid {
  display: grid;
  grid-template-columns: 1fr 100px 1fr;
}

.row {
  display: contents;
}
.row:hover .cell {
  background: var(--bg-1);
}

.cell {
  display: flex;
  align-items: center;
  padding: 11px 16px;
  border-bottom: 0.5px solid var(--border);
  transition: background 0.1s;
}
.cell--delta {
  justify-content: center;
  text-align: center;
  background: var(--delta-bg);
}
.cell--market {
  justify-content: flex-end;
}

/* Family rows */
.family-row {
  display: contents;
}
.family-row:hover .cell {
  background: var(--bg-1);
}
.family-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}
.family-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-1);
}
.family-candidates {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
  margin-bottom: 2px;
}
.candidate-score {
  font-size: 11px;
  color: var(--text-2);
  white-space: nowrap;
}

/* Candidate info */
.candidate {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  min-width: 0;
}
.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.name {
  font-size: 13px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Percentages */
.pct {
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
}
.pct--polls { color: var(--polls); }
.pct--market { color: var(--markets); }

/* Delta */
.delta-val {
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}
.delta-pos { color: var(--delta); }
.delta-neg { color: var(--text-3); }
.delta-note {
  display: block;
  font-size: 9px;
  color: var(--text-3);
  margin-top: 1px;
}

/* Sparklines */
.spark {
  width: 56px;
  height: 20px;
  flex-shrink: 0;
  margin-left: 12px;
  opacity: 0.7;
}
.spark--right {
  margin-left: 0;
  margin-right: 12px;
}
.spark-line {
  stroke-width: 1.5;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Footer */
.footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  border-top: 0.5px solid var(--border);
  margin-top: 0;
}
.footer-left {
  font-size: 11px;
  color: var(--text-3);
}
.footer-right {
  font-size: 11px;
  color: var(--text-4);
}
.footer a {
  color: var(--text-3);
  text-decoration: none;
}
.footer a:hover {
  color: var(--text-2);
}

/* Loading state */
.loading {
  text-align: center;
  padding: 60px 0;
  color: var(--text-3);
  font-size: 13px;
}

/* Error state */
.error {
  text-align: center;
  padding: 40px 0;
  color: #E24B4A;
  font-size: 13px;
}

/* Precision section */
.precision-section {
  margin-top: 40px;
  padding: 24px 0;
  border-top: 0.5px solid var(--border);
}
.section-title {
  font-size: 16px;
  font-weight: 500;
  margin-bottom: 6px;
}
.section-desc {
  font-size: 12px;
  color: var(--text-3);
  margin-bottom: 16px;
}
.section-note {
  font-size: 11px;
  color: var(--text-4);
  margin-top: 12px;
  line-height: 1.6;
}
.precision-grid {
  display: flex;
  gap: 12px;
}
.precision-card {
  flex: 1;
  background: var(--bg-1);
  border: 0.5px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  text-align: center;
}
.precision-horizon {
  font-size: 11px;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 6px;
}
.precision-ecart {
  font-family: var(--mono);
  font-size: 20px;
  font-weight: 500;
  color: var(--delta);
  font-variant-numeric: tabular-nums;
}
.precision-na {
  color: var(--text-4);
  font-size: 14px;
}
.precision-polls {
  font-size: 10px;
  color: var(--text-4);
  margin-top: 4px;
}

/* Responsive */
@media (max-width: 640px) {
  .nav-links { gap: 16px; }
  .nav-links a { font-size: 12px; }
  .col-headers,
  .data-grid { grid-template-columns: 1fr 80px 1fr; }
  .pct { font-size: 15px; }
  .cell { padding: 10px 10px; }
  .spark { width: 36px; }
  .name { font-size: 12px; }
  .update-bar { flex-direction: column; gap: 2px; }
  .hypothesis-tabs { flex-wrap: wrap; gap: 6px; }
  .hypothesis-tab { font-size: 11px; padding: 5px 10px; }
  .family-name { font-size: 12px; }
  .candidate-score { font-size: 10px; }
  .precision-grid { flex-wrap: wrap; }
  .precision-card { flex: 0 0 calc(50% - 6px); }
}