/* Light theme */
[data-theme="light"] {
  --bg: #f4f6fb;
  --surface: rgba(255, 255, 255, 0.9);
  --surface-2: #eef1f8;
  --surface-hover: #e2e8f0;
  --header-bg: rgba(255, 255, 255, 0.9);
  --input-bg: #ffffff;
  --border: rgba(0, 0, 0, 0.08);
  --text: #0f172a;
  --text-muted: #64748b;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
}