/* Lamplight Analytics — Dusk theme (BUILD_PLAN §4.5), Stage B frontend.
   UI chrome wears the brand palette; chart marks wear the validated series
   steps defined in js/theme.js (dataviz-validated for the dark surface). */

:root {
  --bg: #131A1C;
  --panel: #1C2629;
  --panel-2: #22302F;
  --border: #2C3A3A;
  --text: #E7E3D8;
  --muted: #8FA39C;
  --lamp: #E0A249;
  --lamp-soft: #F0C079;
  --forest: #3C5A4C;
  --sage: #6FA98C;
  --clay: #C8694E;
  --radius: 12px;
  --serif: 'Fraunces', Georgia, serif;
  --sans: 'Inter', system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 20px; }

h1, h2, h3 { font-family: var(--serif); font-weight: 500; letter-spacing: -0.01em; }
h2 { font-size: 1.65rem; margin: 0.4rem 0 0.4rem; }
h3 { font-size: 1.15rem; margin: 0 0 0.5rem; }
a { color: var(--lamp); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- Header ---------- */
.site-header {
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(34,48,47,0.35), rgba(19,26,28,0));
  padding-top: 18px;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 14px; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-name { font-family: var(--serif); font-size: 1.7rem; font-weight: 600; }
.brand-sub { font-size: 0.78rem; color: var(--muted); letter-spacing: 0.02em; }
.brand-tagline { font-family: var(--serif); font-style: italic; color: var(--lamp); font-size: 0.95rem; margin-top: 1px; }

.meta-pills { display: flex; gap: 7px; flex-wrap: wrap; align-items: center; justify-content: flex-end; max-width: 520px; }
.pill {
  display: inline-block; padding: 2px 10px; border-radius: 999px;
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.02em;
  border: 1px solid var(--border); color: var(--muted); white-space: nowrap;
}
.pill.ok    { color: var(--sage); border-color: rgba(111,169,140,0.5); }
.pill.warn  { color: var(--lamp); border-color: rgba(224,162,73,0.5); }
.pill.stale { color: var(--clay); border-color: rgba(200,105,78,0.5); }
.pill.info  { color: var(--muted); }

/* ---------- Tabs ---------- */
.tabs { display: flex; gap: 2px; margin-top: 14px; overflow-x: auto; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tabs a {
  padding: 9px 14px 11px; color: var(--muted); font-size: 0.9rem; font-weight: 500;
  border-bottom: 2px solid transparent; white-space: nowrap;
}
.tabs a:hover { color: var(--text); text-decoration: none; }
.tabs a.active { color: var(--lamp); border-bottom-color: var(--lamp); }

/* ---------- Layout blocks ---------- */
main { padding: 22px 0 48px; min-height: 60vh; }
.tab-panel[hidden] { display: none; }
.lead { color: var(--muted); font-size: 0.92rem; max-width: 70ch; margin: 0 0 16px; }

.card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px 18px; margin-bottom: 18px;
}
.card.tight { padding: 10px 12px; }
.chart { width: 100%; min-height: 300px; }
.chart.tall { min-height: 430px; }
.chart.short { min-height: 220px; }

.grid { display: grid; gap: 14px; margin-bottom: 18px; }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 860px) {
  .grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .grid.cols-3 { grid-template-columns: repeat(2, 1fr); }
  .grid.cols-2 { grid-template-columns: 1fr; }
  .brand-name { font-size: 1.4rem; }
}
@media (max-width: 520px) {
  .grid.cols-4, .grid.cols-3 { grid-template-columns: 1fr; }
}

/* ---------- Stat tiles ---------- */
.tile {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 13px 16px;
}
.tile .label { color: var(--muted); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em; }
.tile .value { font-size: 1.55rem; font-weight: 600; margin-top: 2px; font-variant-numeric: tabular-nums; }
.tile .delta { font-size: 0.8rem; font-weight: 600; margin-top: 1px; }
.tile .note  { font-size: 0.76rem; color: var(--muted); margin-top: 2px; }
.up   { color: var(--sage); }
.down { color: var(--clay); }
.flat { color: var(--muted); }

/* ---------- Commentary ---------- */
.commentary {
  border-left: 3px solid var(--lamp);
  background: linear-gradient(90deg, rgba(224,162,73,0.06), rgba(224,162,73,0));
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 12px 16px; margin: 0 0 18px;
}
.commentary p { margin: 0 0 6px; font-size: 0.95rem; }
.commentary .provenance {
  color: var(--muted); font-size: 0.73rem; margin: 4px 0 0;
  display: flex; align-items: center; gap: 6px; flex-wrap: wrap;
}
.commentary .provenance .dot { color: var(--lamp); }

/* ---------- Tables ---------- */
.table-scroll { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 0.88rem; }
th, td { padding: 7px 10px; text-align: left; border-bottom: 1px solid rgba(44,58,58,0.6); }
th { color: var(--muted); font-weight: 600; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tbody tr:hover { background: rgba(34,48,47,0.5); }
tbody tr:last-child td { border-bottom: none; }
.sym { font-weight: 600; }
.dim { color: var(--muted); }

/* trust-score inline bar */
.score-bar { display: inline-flex; align-items: center; gap: 8px; }
.score-track { width: 72px; height: 5px; border-radius: 3px; background: rgba(143,163,156,0.18); overflow: hidden; }
.score-fill { height: 100%; border-radius: 3px; background: var(--sage); }

/* ---------- Coin selector ---------- */
.chips { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.chip {
  padding: 5px 14px; border-radius: 999px; border: 1px solid var(--border);
  background: var(--panel); color: var(--muted); font-size: 0.85rem; font-weight: 600;
  cursor: pointer; font-family: var(--sans);
}
.chip:hover { color: var(--text); border-color: var(--muted); }
.chip.active { color: var(--bg); background: var(--lamp); border-color: var(--lamp); }

/* window toggle (correlation) */
.toggle { display: inline-flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; margin-bottom: 12px; }
.toggle button {
  background: var(--panel); color: var(--muted); border: none; padding: 6px 16px;
  font-family: var(--sans); font-size: 0.85rem; font-weight: 600; cursor: pointer;
}
.toggle button.active { background: var(--panel-2); color: var(--lamp); }

/* ---------- Gauges ---------- */
.gauge-row { display: flex; gap: 14px; flex-wrap: wrap; }
.gauge-card { flex: 1 1 260px; }
.gauge-value { font-size: 1.9rem; font-weight: 600; font-variant-numeric: tabular-nums; }
.gauge-class { font-family: var(--serif); font-style: italic; color: var(--lamp); }
.source-note { color: var(--muted); font-size: 0.73rem; margin-top: 4px; }

/* volatility linear dial */
.range-dial { margin-top: 10px; }
.range-track { position: relative; height: 8px; border-radius: 4px; background: rgba(143,163,156,0.18); }
.range-marker {
  position: absolute; top: -4px; width: 3px; height: 16px; border-radius: 2px;
  background: var(--lamp); box-shadow: 0 0 6px rgba(224,162,73,0.6);
}
.range-labels { display: flex; justify-content: space-between; color: var(--muted); font-size: 0.72rem; margin-top: 5px; }

/* ---------- Honesty panel ---------- */
.story { max-width: 74ch; }
.story p { font-size: 0.98rem; margin: 0 0 12px; }
.story .pull {
  font-family: var(--serif); font-style: italic; font-size: 1.08rem; color: var(--lamp-soft);
  border-left: 3px solid var(--forest); padding-left: 14px; margin: 16px 0;
}

/* ---------- Support card ---------- */
.support-row { display: flex; flex-direction: column; gap: 10px; margin-top: 12px; }
.support-btn {
  display: inline-flex; align-items: center; gap: 8px; align-self: flex-start;
  background: var(--lamp); color: var(--bg); font-weight: 600; font-size: 0.9rem;
  padding: 8px 18px; border-radius: 999px;
}
.support-btn:hover { background: var(--lamp-soft); text-decoration: none; }
.addr { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.addr-label { color: var(--muted); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em; min-width: 110px; }
.addr code {
  background: var(--panel-2); border: 1px solid var(--border); border-radius: 6px;
  padding: 3px 9px; font-size: 0.8rem; word-break: break-all; color: var(--text);
}
.copy-btn {
  background: none; border: 1px solid var(--border); color: var(--muted);
  border-radius: 6px; padding: 3px 10px; font-size: 0.75rem; cursor: pointer;
  font-family: var(--sans);
}
.copy-btn:hover { color: var(--text); border-color: var(--muted); }

/* ---------- Misc ---------- */
.note { color: var(--muted); font-size: 0.83rem; }
.loading { color: var(--muted); padding: 40px 0; text-align: center; font-style: italic; }
.error-note {
  border: 1px solid rgba(200,105,78,0.4); border-radius: var(--radius);
  padding: 14px 16px; color: var(--clay); background: rgba(200,105,78,0.06);
}
hr.rule { border: none; border-top: 1px solid var(--border); margin: 22px 0; }

.site-footer { border-top: 1px solid var(--border); padding: 22px 0 30px; }
.site-footer p { color: var(--muted); font-size: 0.83rem; max-width: 80ch; margin: 0 0 8px; }
.footer-sub { font-size: 0.75rem !important; opacity: 0.8; }