/* Theme toggle (optional) */
[data-theme="dark"]{
  --bg: #1B2A24;
  --panel: #111A16;
  --text: #F5EBDD;
  --muted: rgba(245,235,221,0.72);
  --border: rgba(245,235,221,0.18);
  --shadow: 0 10px 30px rgba(0,0,0,0.35);
}
[data-theme="dark"] .btn{ background: #0F1814; color: var(--text); }
[data-theme="dark"] .btn.primary{ background: var(--accent); }
[data-theme="dark"] .input{ background: #0F1814; color: var(--text); }
[data-theme="dark"] .item{ background: #0F1814; }
[data-theme="dark"] .toast{ background: #0F1814; }