/* GEX Dashboard — dark theme, mobile-first with fixed bottom nav <=768px. */
:root {
  --bg: #0b0e14;
  --panel: #11151f;
  --border: #1d2433;
  --text: #d7dde8;
  --muted: #7a849a;
  --green: #089981;
  --red: #f23645;
  --amber: #f5a623;
  --accent: #3b82f6;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        "Helvetica Neue", Arial, sans-serif;
}

a { color: var(--accent); text-decoration: none; }
.hidden { display: none !important; }
.pos { color: var(--green); }
.neg { color: var(--red); }
.warn { color: var(--amber); }
small { font-size: 11px; }

/* ------------------------------ header ------------------------------ */
.topbar {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; background: rgba(11, 14, 20, .96);
  backdrop-filter: blur(6px); z-index: 30;
}
.brand { font-weight: 800; letter-spacing: .5px; font-size: 16px; }
.brand span { color: var(--accent); }

.symbols { display: flex; gap: 4px; }
.symbols button, .seg button {
  background: transparent; color: var(--muted);
  border: 1px solid var(--border); border-radius: 8px;
  padding: 6px 12px; font-size: 13px; cursor: pointer;
}
.symbols button.active, .seg button.active {
  background: var(--panel); color: var(--text); border-color: var(--accent);
}

.top-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.guide-link { font-size: 13px; color: var(--muted); }
.guide-link:hover { color: var(--text); }

.chip {
  font-size: 12px; color: var(--muted);
  border: 1px solid var(--border); border-radius: 999px;
  padding: 3px 10px; min-width: 58px; text-align: center;
}
.chip.busy { color: var(--accent); border-color: var(--accent); }
.chip.error { color: var(--red); border-color: var(--red); }

/* ---------------------------- status row ---------------------------- */
.status-row {
  display: flex; gap: 8px; padding: 10px 14px;
  overflow-x: auto; -webkit-overflow-scrolling: touch;
  border-bottom: 1px solid var(--border);
  scrollbar-width: thin;
}
.schip {
  flex: 0 0 auto;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 8px; padding: 6px 10px; min-width: 86px;
}
.schip .k { display: block; font-size: 10px; color: var(--muted);
  text-transform: uppercase; letter-spacing: .4px; }
.schip .v { display: block; font-size: 13px; font-weight: 600; white-space: nowrap; }
.schip.warn { border-color: var(--amber); }

/* ------------------------------- tabs ------------------------------- */
.tabs {
  display: flex; gap: 4px; padding: 8px 14px 0;
  border-bottom: 1px solid var(--border);
}
.tabs button {
  background: transparent; border: none; cursor: pointer;
  color: var(--muted); font-size: 13px; padding: 8px 14px;
  border-bottom: 2px solid transparent;
  display: flex; align-items: center; gap: 6px;
}
.tabs button i { font-style: normal; font-size: 14px; }
.tabs button.active { color: var(--text); border-bottom-color: var(--accent); }

/* ------------------------------ panels ------------------------------ */
main { padding: 14px; max-width: 1180px; margin: 0 auto; }
.panel { display: block; }

.panel-note {
  color: var(--muted); font-size: 12px; margin: 2px 0 10px;
}
.panel-controls {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  margin-bottom: 10px;
}
.panel-controls label { color: var(--muted); font-size: 12px; }
.panel-controls select {
  background: var(--panel); color: var(--text);
  border: 1px solid var(--border); border-radius: 8px;
  padding: 6px 8px; font-size: 13px; margin-left: 6px;
}
.chips-inline { display: flex; gap: 8px; flex-wrap: wrap; }
.chips-inline .schip { min-width: 70px; }

.chart-box {
  width: 100%; height: 460px;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 10px;
}
.chart-box.small { height: 220px; }
.chart-box.gauge { height: 260px; background: transparent; border: none; }

.banner {
  border-radius: 8px; padding: 10px 12px; margin-bottom: 12px;
  font-size: 13px; border: 1px solid var(--border); background: var(--panel);
}
.banner.error { border-color: var(--red); color: var(--red); }
.banner.info { border-color: var(--accent); color: var(--accent); }
.banner.ok { border-color: var(--green); color: var(--green); }
.banner.warn-banner { border-color: var(--amber); color: var(--amber); }

.empty {
  text-align: center; color: var(--muted); padding: 60px 20px;
  border: 1px dashed var(--border); border-radius: 10px;
}

/* ------------------------------- cards ------------------------------- */
.card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 10px; padding: 12px; margin-top: 12px;
}
.card h3 {
  margin: 0 0 8px; font-size: 12px; color: var(--muted);
  text-transform: uppercase; letter-spacing: .5px;
}
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.grid-2 .card { margin-top: 12px; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { color: var(--muted); font-size: 11px; text-transform: uppercase;
  letter-spacing: .4px; text-align: left; }
th, td { padding: 5px 8px; border-bottom: 1px solid var(--border); }
tr:last-child td { border-bottom: none; }
.table-scroll { overflow-x: auto; }

/* sentiment */
.grid-senti { display: grid; grid-template-columns: 320px 1fr; gap: 12px; }
.metric-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
  margin-top: 12px;
}
.card.metric { margin-top: 0; }
.card.metric .k { font-size: 11px; color: var(--muted); text-transform: uppercase; }
.card.metric .v { font-size: 17px; font-weight: 700; margin-top: 4px; }

/* trinity */
.trinity-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.tcol .thead { display: flex; align-items: baseline; gap: 8px; font-size: 15px; }
.tcol .tmeta { margin: 8px 0; font-size: 12.5px; color: var(--muted);
  display: grid; gap: 3px; }
.tcol .tmeta b { color: var(--text); font-weight: 600; }
.tcol .chart-box { height: 300px; border: none; }

footer {
  color: var(--muted); font-size: 11.5px; line-height: 1.5;
  padding: 18px 14px 26px; max-width: 1180px; margin: 0 auto;
}

/* first-load shimmer */
body.first-load .chart-box {
  background: linear-gradient(100deg, var(--panel) 40%, #161c2a 50%, var(--panel) 60%);
  background-size: 200% 100%;
  animation: shimmer 1.2s infinite;
}
@keyframes shimmer { to { background-position-x: -200%; } }

/* ------------------------------ mobile ------------------------------ */
@media (max-width: 768px) {
  main { padding: 10px 10px 84px; }  /* room for bottom nav */
  .topbar { flex-wrap: wrap; padding: 8px 10px; gap: 8px; }
  .brand { font-size: 14px; }
  .symbols { order: 2; width: 100%; justify-content: center; }
  .symbols button { padding: 5px 9px; font-size: 12px; }
  .guide-link { padding: 5px 2px; }

  .tabs {
    position: fixed; bottom: 0; left: 0; right: 0; z-index: 40;
    background: rgba(11, 14, 20, .97); backdrop-filter: blur(8px);
    border-top: 1px solid var(--border); border-bottom: none;
    padding: 4px 4px calc(4px + env(safe-area-inset-bottom));
    justify-content: space-around;
  }
  .tabs button {
    flex-direction: column; gap: 2px; padding: 6px 4px;
    font-size: 10px; border-bottom: none; flex: 1;
  }
  .tabs button i { font-size: 17px; }
  .tabs button.active { color: var(--accent); }

  .grid-2, .grid-senti, .metric-grid, .trinity-grid { grid-template-columns: 1fr 1fr; }
  .grid-senti, .trinity-grid { grid-template-columns: 1fr; }
  .chart-box { height: 420px; }
}

@media (max-width: 480px) {
  .metric-grid, .grid-2 { grid-template-columns: 1fr 1fr; }
}