/* ============================================================
   common.css — canonical shared theme (load FIRST, page CSS overrides)
   Unifies drifted tokens: --bg was #070b16/#060910/#050810/#0a0c10,
   --accent cyan was #00d4ff vs #00e5ff. Canonical below wins when
   this file loads first; per-page tweaks keep working via cascade.
   ============================================================ */
:root {
  --bg: #070b16;
  --surface: #0d1117;
  --surface2: #111827;
  --border: #1e2a3a;
  --text: #a8b4c8;
  --text-bright: #e8edf5;
  --text-dim: #5a6a82;
  --muted: #8b98ad;
  --accent: #00d4ff;
  --accent2: #7c3aed;
  --success: #39ff14;
  --danger: #ff3366;
  --warning: #ffc800;
  --glow: rgba(0, 212, 255, 0.15);
  --glow-strong: rgba(0, 212, 255, 0.35);
  --font-mono: 'Share Tech Mono', 'JetBrains Mono', monospace;
  --font-ui: 'Rajdhani', 'Syne', sans-serif;
  --font-display: 'Orbitron', sans-serif;
}

/* Canonical buttons (page files may tweak colors, same class names win later) */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; padding: 12px 20px;
  font-family: var(--font-display); font-size: 0.75rem; font-weight: 700;
  letter-spacing: 1px; text-transform: uppercase; text-decoration: none;
  border-radius: 8px; border: none; cursor: pointer; transition: all 0.2s;
}
.btn-primary { background: var(--accent); color: #070b16; }
.btn-primary:hover { filter: brightness(1.1); box-shadow: 0 0 16px var(--glow-strong); }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* Canonical toast (page-specific .toast-item variants still override) */
.toast-container { position: fixed; bottom: 1.2rem; right: 1.2rem; z-index: 4000; display: flex; flex-direction: column; gap: 8px; }
.toast, .toast-item {
  background: var(--surface); border: 1px solid var(--border);
  border-left: 3px solid var(--accent); color: var(--text-bright);
  padding: 10px 14px; border-radius: 6px; font-size: 0.85rem;
}

/* Canonical spinner (namespaced to avoid @keyframes spin collisions) */
.common-spinner {
  display: inline-block; width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,0.15); border-top-color: var(--accent);
  border-radius: 50%; animation: common-spin 0.7s linear infinite;
}
@keyframes common-spin { to { transform: rotate(360deg); } }