/* Shared styles + top nav. Each page may override page-specific bits. */

:root {
  --bg:#090d16;
  --card:#141e37;
  --fg:#f8fafc;
  --muted:#94a3b8;
  --primary:#f59e0b;
  --primary-dark:#d97706;
  --ok:#10b981;
  --bad:#ef4444;
  --line:#1f2a44;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Sarabun', system-ui, sans-serif;
  background: var(--bg);
  color: var(--fg);
  padding-top: 60px;   /* leave space for fixed nav */
}

a { color: var(--primary); }

/* --- top nav (injected by js/nav.js) --- */
.app-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 56px;
  background: rgba(15, 22, 38, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  padding: 0 20px;
  z-index: 100;
  gap: 4px;
}
.app-nav .brand {
  font-weight: 800;
  color: var(--primary);
  font-size: 1.05rem;
  margin-right: 24px;
  text-decoration: none;
  white-space: nowrap;
}
.app-nav .links {
  display: flex;
  gap: 4px;
  flex: 1;
  overflow-x: auto;
}
.app-nav .links a {
  color: var(--muted);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 0.95rem;
  white-space: nowrap;
  transition: background 0.15s, color 0.15s;
}
.app-nav .links a:hover { background: rgba(255,255,255,0.05); color: var(--fg); }
.app-nav .links a.active {
  background: var(--card);
  color: var(--primary);
}
.app-nav .status {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 0.8rem;
  white-space: nowrap;
}
.app-nav .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: #64748b;
}
.app-nav .dot.ok  { background: var(--ok); }
.app-nav .dot.err { background: var(--bad); }