.hoursday-app{--bg-dark:#f5f5f3;--card-bg:#fff;--input-bg:#f9f9f8;--text-main:#1a1a18;--text-muted:#6b6b67;--brand-red:#ef4444;--border:#0000001f;--shadow-card:0 1px 3px #0000000f;background-color:var(--bg-dark);color:var(--text-main);min-height:100vh}.hoursday-app[data-theme=dark]{--bg-dark:#0f172a;--card-bg:#1e293b;--input-bg:#0f172a;--text-main:#f8fafc;--text-muted:#94a3b8;--brand-red:#ef4444;--border:#334155;--shadow-card:none}