/**
 * Frontend Styles for MDM Post TOC
 */

/* Wrapper */
.mdm-post-toc-wrapper {
    margin: 30px 0;
}

/* Dropdown Menu */
.mdm-post-toc-dropdown-wrapper {
    margin-bottom: 20px;
    background: #f8f9fa;
    border-radius: 6px;
    max-width: 400px;
}

.mdm-post-toc-dropdown-label {
    display: block;
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 10px;
    color: #333;
}

.mdm-post-toc-dropdown {
    width: 100%;
    max-width: 100%;
    padding: 8px 12px;
    font-size: 14px;
    border: 2px solid #ddd;
    border-radius: 4px;
    background: #fff;
    color: #333;
    cursor: pointer;
    transition: border-color 0.2s ease;
}

.mdm-post-toc-dropdown:hover,
.mdm-post-toc-dropdown:focus {
    border-color: #0073aa;
    outline: none;
    box-shadow: 0 0 0 1px #0073aa;
}

/* Responsive dropdown */
@media (max-width: 767px) {
    .mdm-post-toc-dropdown-wrapper {
        max-width: 100%;
    }
    
    .mdm-post-toc-dropdown {
        font-size: 13px;
        padding: 7px 10px;
    }
}

/* Post TOC Grid Container */
.mdm-post-toc {
    display: grid;
    gap: 20px;
    margin: 30px 0;
    padding: 0;
    list-style: none;
}

/* Column Layouts */
.mdm-post-toc-columns-1 {
    grid-template-columns: repeat(1, 1fr);
}

.mdm-post-toc-columns-2 {
    grid-template-columns: repeat(2, 1fr);
}

.mdm-post-toc-columns-3 {
    grid-template-columns: repeat(3, 1fr);
}

.mdm-post-toc-columns-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* Responsive Breakpoints */
@media (max-width: 1199px) {
    .mdm-post-toc-columns-4 {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 767px) {
    .mdm-post-toc-columns-3,
    .mdm-post-toc-columns-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .mdm-post-toc-columns-2,
    .mdm-post-toc-columns-3,
    .mdm-post-toc-columns-4 {
        grid-template-columns: repeat(1, 1fr);
    }
}

/* Individual Post Item */
.mdm-post-toc-item {
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.mdm-post-toc-item:hover {
    border-color: #0073aa;
    box-shadow: 0 2px 8px rgba(0, 115, 170, 0.15);
    transform: translateY(-2px);
}

.mdm-post-toc-item:focus-within {
    border-color: #0073aa;
    box-shadow: 0 2px 8px rgba(0, 115, 170, 0.15);
}

/* Post Link */
.mdm-post-toc-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 8px;
    text-decoration: none !important;
    color: #fff !important;
    min-height: 48px; /* Touch-friendly */
    gap: 10px;
    text-align:center;
}

.mdm-post-toc-link:hover {
    color: #fff !important;
    text-decoration: none !important;
}

.mdm-post-toc-link:focus {
    outline: none;
}

/* Post Title */
.mdm-post-toc-title {
    flex: 1;
    font-weight: 500;
    font-size: 15px;
    line-height: 1.4;
}

/* Lock Icon */
.mdm-post-toc-lock {
    flex-shrink: 0;
    font-size: 16px;
    opacity: 1;
    transition: transform 0.2s ease;
}

.mdm-post-toc-item:hover .mdm-post-toc-lock {
    transform: scale(1.1);
}

/* Locked Item Styling */
.mdm-post-toc-locked {
    border-left: 3px solid #8b7bd8;
}

/* Breadcrumb Navigation */
.mdm-post-breadcrumb {
    font-size: 16px;
    color: #666;
    padding: 12px 0;
    margin-bottom: 20px;
    border-bottom: 0px;
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.mdm-post-breadcrumb a {
    color: #0073aa;
    text-decoration: none;
    padding: 1px 10px;
    background: #f0f6fc;
    border: 1px solid #ddd;
    border-radius: 4px;
    transition: all 0.2s ease;
    display: inline-block;
}

.mdm-post-breadcrumb a:hover {
    background: #0073aa;
    color: #fff;
    border-color: #0073aa;
}

nav.mdm-post-breadcrumb a {
    color: #000 !important;
}

.mdm-post-breadcrumb span {
    color: #fff;
    padding: 1px 10px;
}

/* Mobile Optimizations */
@media (max-width: 767px) {
    .mdm-post-toc {
        gap: 15px;
    }
    
    .mdm-post-toc-link {
        padding: 12px 15px;
        font-size: 14px;
    }
    
    .mdm-post-toc-title {
        font-size: 14px;
    }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .mdm-post-toc-item {
        border-width: 2px;
    }
    
    .mdm-post-toc-link {
        font-weight: 600;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    .mdm-post-toc-item {
        background: #1e1e1e;
        border-color: #444;
    }
    
    .mdm-post-toc-link {
        color: #4a9eda;
    }
    
    .mdm-post-toc-link:hover {
        color: #6bb3e8;
    }
    
    .mdm-post-breadcrumb {
        color: #aaa;
        border-bottom-color: #444;
    }
}

/* Loading State */
.mdm-post-toc-loading {
    text-align: center;
    padding: 40px 20px;
    color: #666;
}

.mdm-post-toc-loading::after {
    content: '...';
    animation: mdm-loading 1.5s infinite;
}

@keyframes mdm-loading {
    0%, 20% { content: '.'; }
    40% { content: '..'; }
    60%, 100% { content: '...'; }
}

/* Empty State */
.mdm-post-toc-empty {
    text-align: center;
    padding: 40px 20px;
    color: #666;
    font-style: italic;
}

/* Post Pagination Navigation */
.mdm-post-pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    /* margin: 50px 0 30px; */
    padding: 25px 0;
    /* border-top: 2px solid rgba(255, 152, 0, 0.2); */
    gap: 20px;
}

.mdm-post-prev,
.mdm-post-next {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: #f0f6fc;
    border: 1px solid #ddd;
    color: #000 !important;
    text-decoration: none !important;
    border-radius: 4px;
    transition: all 0.2s ease;
    font-weight: 500;
    font-size: 15px;
}

.mdm-post-prev {
    justify-self: flex-start;
}

.mdm-post-next {
    justify-self: flex-end;
    margin-left: auto;
}

.mdm-post-prev:hover,
.mdm-post-next:hover {
    background: #0073aa;
    color: #fff !important;
    border-color: #0073aa;
}

.mdm-post-prev:focus,
.mdm-post-next:focus {
    outline: 2px solid #0073aa;
    outline-offset: 2px;
}

.mdm-nav-arrow {
    font-size: 16px;
    font-weight: bold;
    flex-shrink: 0;
}

.mdm-nav-title {
    line-height: 1.4;
}

.mdm-post-prev-empty {
    flex: 1;
}

/* Responsive Pagination */
@media (max-width: 767px) {
    .mdm-post-pagination {
        flex-direction: column;
        gap: 15px;
        margin: 40px 0 20px;
    }
    
    .mdm-post-prev,
    .mdm-post-next {
        max-width: 100%;
        width: 100%;
        margin: 0 !important;
    }
    
    .mdm-post-prev {
        order: 1;
    }
    
    .mdm-post-next {
        order: 2;
    }
    
    .mdm-nav-title {
        font-size: 14px;
    }
}