/* Mobile TOC Button */
.mobile-toc-wrapper {
    display: none;
}

@media (max-width: 767.98px) {
    .mobile-enabled .mobile-toc-wrapper {
        display: block;
    }
    .mobile-enabled .mobile-toc-wrapper {
        position: fixed;
        bottom: 15px;
        right: 20px;
        z-index: 1030;
    }

    .mobile-toc-button {
        width: 56px;
        height: 56px;
        border-radius: 50%;
        background: var(--bs-primary);
        color: white;
        border: none;
        box-shadow: 0 4px 12px rgba(0,0,0,0.3);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.5rem;
    }

    .mobile-toc-overlay {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0,0,0,0.5);
        z-index: 1035;
    }

    .mobile-toc-panel {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        max-height: 70%;
        background: var(--bs-body-bg, #fff);
        z-index: 1040;
        overflow-y: auto;
        box-shadow: 0 -2px 12px rgba(0,0,0,0.2);
        border-radius: 16px 16px 0 0;
        animation: slideUp 0.3s ease-out;
        padding: 1rem;
    }

    .mobile-toc-panel h5 {
        margin: 0 0 1rem 0;
        padding-bottom: 0.75rem;
        border-bottom: 2px solid var(--bs-primary);
        font-size: 1.25rem;
        font-weight: 600;
    }

    .mobile-toc-panel .toc-item {
        padding: 1rem 0.75rem;
        margin-bottom: 0.5rem;
        background: var(--bs-light, #f8f9fa);
        border-radius: 8px;
        cursor: pointer;
        min-height: 44px;
        display: flex;
        align-items: center;
        transition: all 0.2s;
        font-size: 0.95rem;
    }

    .mobile-toc-panel .toc-item:hover { background: var(--bs-primary); color: white; }
    .mobile-toc-panel .toc-item.level-2 { font-weight: 600; }
    .mobile-toc-panel .toc-item.level-3 { padding-left: 1.5rem; font-size: 0.9rem; }
    .mobile-toc-panel .toc-item.level-4 { padding-left: 2.5rem; font-size: 0.85rem; }
    .mobile-toc-panel .toc-item.level-5 { padding-left: 3.5rem; font-size: 0.85rem; }
    .mobile-toc-panel .toc-item.level-6 { padding-left: 4.5rem; font-size: 0.85rem; }

    @keyframes slideUp {
        from { transform: translateY(100%); }
        to { transform: translateY(0); }
    }
}