:root{--bg-primary:#f5f5f5;--bg-secondary:#fff;--bg-tertiary:#f8f9fa;--text-primary:#1a1a1a;--text-secondary:#666;--font-size-body:1rem;--font-size-compact:.875rem;--font-size-micro:.75rem;--font-size-control-min:var(--font-size-body);--border-color:#e0e0e0;--accent-color:#007aff;--accent-hover:#0056b3;--success-color:#34c759;--success-bg:#d4edda;--warning-color:#ff9500;--warning-bg:#fff3cd;--danger-color:#ff3b30;--danger-bg:#f8d7da;--shadow-sm:0 1px 3px #00000014;--shadow-md:0 4px 12px #0000001a;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--toast-bg:#333;--toast-text:#fff;--toast-success-bg:#28a745;--toast-error-bg:#dc3545}@media (prefers-color-scheme:dark){:root{--bg-primary:#0f1115;--bg-secondary:#1c1f26;--bg-tertiary:#2a2f3a;--text-primary:#f5f5f5;--text-secondary:#a0a0a0;--border-color:#3a3f4b;--accent-color:#4c8dff;--accent-hover:#3d7de6;--success-color:#34c759;--success-bg:#34c75926;--warning-color:#ff9500;--warning-bg:#ff950026;--danger-color:#ff3b30;--danger-bg:#ff3b3026;--shadow-sm:0 1px 3px #0000004d;--shadow-md:0 4px 12px #0006;--toast-bg:#1f2430;--toast-text:#f5f5f5;--toast-success-bg:#3ddc84;--toast-error-bg:#ff5a5f}}*{box-sizing:border-box}button,input,select,textarea{color:inherit;font:inherit;font-size:var(--font-size-control-min)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:var(--font-size-body);background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;touch-action:manipulation;margin:0;padding:0}