         z-index: 1000;
        }

        .icon-button {
            width: 2.5rem;
            height: 2.5rem;
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: 0.375rem;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-primary);
            text-decoration: none;
            font-size: 1.2rem;
            transition: all 0.3s ease;
            box-shadow: 