html[data-theme="light"]{
  --bg:#F8FAFC;--bg-secondary:#FFFFFF;--bg-tertiary:#F1F5F9;--card:#FFFFFF;
  --accent:#6366F1;--accent-hover:#4F46E5;--accent-light:rgba(99,102,241,.08);
  --text:#0F172A;--text-secondary:#64748B;--text-muted:#94A3B8;--border:#E2E8F0;
  --danger:#EF4444;--danger-light:rgba(239,68,68,.08);
  --success:#10B981;--success-light:rgba(16,185,129,.08);
  --warning:#F59E0B;--warning-light:rgba(245,158,11,.08);--info:#3B82F6;
  --shadow-sm:0 1px 2px 0 rgba(0,0,0,.05);
  --shadow-md:0 4px 6px -1px rgba(0,0,0,.05),0 2px 4px -1px rgba(0,0,0,.03);
}