:root {
  --bg: #0d1117;
  --card: #161b22;
  --border: #30363d;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #d4af37;
  --accent-hover: #b8962e;
  --green: #3fb950;
  --red: #f85149;
  --radius: 12px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 12px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.logo {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, #d4af37, #8a6d1c);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 22px;
}
.brand h1 { margin: 0; font-size: 22px; }
.tagline { margin: 0; color: var(--muted); font-size: 13px; }
.status-line { font-size: 11px; color: var(--text); font-weight: 600; }
.site-nav { display: flex; align-items: center; gap: 8px; }
.nav-btn {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  color: var(--text);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
}
.nav-btn:hover { border-color: var(--accent); color: var(--text); }
.banner {
  background: #3b2f0b;
  border-bottom: 1px solid #8a6d1c;
  color: #f5d76e;
  padding: 10px 24px;
  font-size: 14px;
  display: flex; align-items: center; gap: 12px;
}
.banner.hidden { display: none; }
.btn {
  background: var(--accent);
  color: #111;
  border: none;
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 14px;
  cursor: pointer;
  font-weight: 600;
}
.btn.ghost { background: transparent; border: 1px solid var(--border); color: var(--text); }
.small-btn { padding: 6px 12px; font-size: 12px; }
.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  padding: 24px;
  max-width: 900px;
  width: 100%;
  margin: 0 auto;
  flex: 1;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.card-head { display: flex; justify-content: space-between; align-items: center; }
.card-head h2 { margin: 0 0 8px; font-size: 18px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.note { margin: 4px 0; }
table.signals { width: 100%; border-collapse: collapse; margin-top: 12px; }
table.signals th, table.signals td {
  text-align: left;
  padding: 12px 8px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
table.signals th { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; }
.metal-cell { display: flex; align-items: center; gap: 10px; }
.metal-badge {
  width: 34px; height: 34px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 11px; color: #111; flex-shrink: 0;
}
.signal-buy, .signal-hold, .signal-sell {
  font-weight: 700; font-size: 13px;
  padding: 4px 12px; border-radius: 999px;
}
.signal-buy { color: #0d1117; background: var(--green); }
.signal-hold { color: var(--text); background: #30363d; }
.signal-sell { color: #fff; background: var(--red); }
footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}
@media (max-width: 640px) {
  .topbar { padding: 12px 16px; }
  .grid { padding: 12px; }
  table.signals th, table.signals td { padding: 8px 6px; font-size: 14px; }
}