/* ─── GOLDT Index Dashboard — SDD Theme ─── */
:root {
  --bg:        #0d1117;
  --bg-card:   #161b22;
  --bg-hover:  #1c2333;
  --border:    #30363d;
  --text:      #e6edf3;
  --text-dim:  #8b949e;
  --accent:    #58a6ff;
  --green:     #3fb950;
  --red:       #f85149;
  --radius:    8px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
}
.container { max-width: 1100px; margin: 0 auto; padding: 0 16px; }

/* ─── Top Bar ─── */
.topbar {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
  position: sticky; top: 0; z-index: 100;
}
.topbar .container {
  display: flex; align-items: center; gap: 12px;
}
.topbar-icon { font-size: 24px; }
.topbar-title { font-size: 18px; font-weight: 600; }
.topbar-sub  { margin-left: auto; font-size: 12px; color: var(--text-dim); }

/* ─── Hero ─── */
.hero {
  margin: 32px 0;
  padding: 32px;
  background: linear-gradient(135deg, var(--bg-card), var(--bg-hover));
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  text-align: center;
}
.hero-symbol { font-size: 14px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 1px; }
.hero-value { font-size: 56px; font-weight: 700; margin: 8px 0; font-variant-numeric: tabular-nums; }
.hero-label { font-size: 14px; color: var(--text-dim); }
.hero-update { font-size: 12px; color: var(--text-dim); margin-top: 8px; }

/* ─── Cards ─── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 24px;
}
.card-header {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.badge {
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  padding: 2px 10px;
  border-radius: 12px;
  font-weight: 500;
}

/* ─── Chart Controls ─── */
.chart-controls {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}
.btn-chart {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 6px 16px;
  border-radius: 20px;
  cursor: pointer;
  font-size: 13px;
  transition: all .2s;
}
.btn-chart:hover { background: var(--bg-hover); color: var(--text); }
.btn-chart.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.chart-wrapper { position: relative; height: 320px; }

/* ─── Table ─── */
.table-wrapper { overflow-x: auto; }
.comps-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.comps-table th {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 2px solid var(--border);
  color: var(--text-dim);
  font-weight: 500;
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: .5px;
}
.comps-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}
.comps-table tbody tr:hover { background: var(--bg-hover); }
.comps-table tfoot td {
  border-bottom: none;
  border-top: 2px solid var(--border);
  font-weight: 600;
}
.comps-table code {
  background: rgba(88,166,255,.1);
  color: var(--accent);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 12px;
}

/* ─── Footer ─── */
.footer {
  margin: 32px 0;
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 13px;
  color: var(--text-dim);
  text-align: center;
  line-height: 2;
}
.footer a { color: var(--accent); text-decoration: none; }
.footer a:hover { text-decoration: underline; }
.footer-meta { font-size: 11px; opacity: .7; }
.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  text-align: left;
  margin-bottom: 20px;
}
.footer-grid h4 {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--accent);
  margin: 0 0 8px;
}
.footer-grid ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-grid li { margin-bottom: 4px; }
.footer-grid a { font-size: 12px; }
.footer-disclaimer { font-size: 11px; opacity: .75; line-height: 1.6; margin-bottom: 12px; }
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ─── Responsive ─── */
@media (max-width: 640px) {
  .hero-value { font-size: 36px; }
  .hero { padding: 20px 16px; }
  .card { padding: 16px; }
  .comps-table { font-size: 12px; }
  .comps-table th, .comps-table td { padding: 6px 8px; }
}