/* TOC Wrapper - Full Width */
.najibul-toc-wrapper {
    margin: 30px 0;
    width: 100%;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* Empty State */
.najibul-toc-empty .najibul-toc-empty-message {
    padding: 20px;
    text-align: center;
    color: var(--toc-text, #475569);
    font-size: 14px;
    background: rgba(0, 0, 0, 0.02);
}

/* Main TOC Card */
.najibul-toc {
    background: var(--toc-bg, #ffffff);
    border: 1px solid var(--toc-border, #e2e8f0);
    border-radius: var(--toc-radius, 12px);
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.najibul-toc:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

/* TOC Header */
.najibul-toc-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: var(--toc-bg, #ffffff);
    border-bottom: 1px solid var(--toc-border, #e2e8f0);
}

.najibul-toc-header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.najibul-toc-icon {
    color: var(--toc-heading, #0f172a);
    stroke-width: 1.8;
}

.najibul-toc-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--toc-heading, #0f172a);
    letter-spacing: -0.2px;
}

/* Toggle Button */
.najibul-toc-toggle {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--toc-text, #475569);
    border-radius: 8px;
    transition: all 0.2s ease;
}

.najibul-toc-toggle:hover {
    background: rgba(0, 0, 0, 0.05);
}

.najibul-toc-toggle.collapsed svg {
    transform: rotate(180deg);
}

.najibul-toc-toggle svg {
    transition: transform 0.2s ease;
}

/* TOC Body - Visible by default */
.najibul-toc-body {
    padding: 8px 0;
    transition: all 0.3s ease;
    display: block;
}

/* TOC List */
.najibul-toc-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.najibul-toc-item {
    margin: 0;
    line-height: 1.4;
}

/* TOC Links */
.najibul-toc-link {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    color: var(--toc-text, #475569);
    text-decoration: none;
    padding: 10px 20px;
    transition: all 0.2s ease;
    font-size: 14px;
    font-weight: 450;
    line-height: 1.45;
}

.najibul-toc-marker {
    width: 4px;
    height: 4px;
    background: currentColor;
    border-radius: 50%;
    margin-top: 6px;
    opacity: 0.4;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.najibul-toc-text {
    flex: 1;
}

/* Hover Effects */
.najibul-toc-link:hover {
    background: rgba(0, 0, 0, 0.03);
    color: var(--toc-heading, #0f172a);
}

.najibul-toc-link:hover .najibul-toc-marker {
    opacity: 0.8;
    transform: scale(1.2);
}

/* Active Link */
.najibul-toc-link.active {
    background: rgba(0, 0, 0, 0.04);
    color: var(--toc-heading, #0f172a);
    font-weight: 500;
}

.najibul-toc-link.active .najibul-toc-marker {
    opacity: 1;
    background: #3b82f6;
    width: 6px;
    height: 6px;
    margin-top: 5px;
}

/* Alignment Support */
[data-align="left"] .najibul-toc-wrapper {
    max-width: 100%;
    margin-right: auto;
}

[data-align="center"] .najibul-toc-wrapper {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
}

[data-align="right"] .najibul-toc-wrapper {
    max-width: 100%;
    margin-left: auto;
}

/* Responsive Design */
@media (max-width: 768px) {
    .najibul-toc-header {
        padding: 12px 16px;
    }
    
    .najibul-toc-title {
        font-size: 15px;
    }
    
    .najibul-toc-icon {
        width: 18px;
        height: 18px;
    }
    
    .najibul-toc-body {
        padding: 6px 0;
    }
    
    .najibul-toc-link {
        padding: 8px 16px;
        font-size: 13px;
    }
    
    .najibul-toc-marker {
        margin-top: 5px;
    }
}

@media (max-width: 480px) {
    .najibul-toc-header {
        padding: 10px 14px;
    }
    
    .najibul-toc-title {
        font-size: 14px;
    }
    
    .najibul-toc-link {
        padding: 6px 14px;
        font-size: 13px;
        gap: 10px;
    }
}

/* Print Styles */
@media print {
    .najibul-toc-wrapper {
        margin: 20px 0;
    }
    
    .najibul-toc-toggle {
        display: none;
    }
    
    .najibul-toc {
        border: 1px solid #ddd;
        box-shadow: none;
        break-inside: avoid;
    }
    
    .najibul-toc-link {
        color: #000 !important;
    }
}

/* Animations */
.najibul-toc,
.najibul-toc-link,
.najibul-toc-marker,
.najibul-toc-toggle {
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}