: background-color 0.3s ease;
        }

        .btn:hover {
            background-color: var(--btn-hover);
        }

        .btn:disabled {
            background-color: var(--btn-disabled);
            cursor: not-allowed;
        }

        .theme-toggle {
            display: flex;
            align-items: center;
            gap: 5px;
            background-color: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: 4px;
            padding: 6px 12px;
 