m;
            right: 2rem;
            width: 3.5rem;
            height: 3.5rem;
            border-radius: var(--radius-full);
            background: var(--accent-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: var(--shadow-medium);
            outline: none;
            border: none;
            opacity: 0; /* Hidden by default */
            transition: var(--transition-smooth);
            