/* ==========================================================================
   WONS Document Library — Frontend Styles
   Modern, clean, fully themeable via CSS custom properties
   ========================================================================== */

/* ---------- Design Tokens ---------- */
.wdlib-wrap {
    --wdlib-primary: var(--wdlib-admin-primary, var(--wp--preset--color--primary, #3858e9));
    --wdlib-text: var(--wdlib-admin-text, inherit);
    --wdlib-bg: var(--wdlib-admin-bg, transparent);
    --wdlib-border-style: var(--wdlib-admin-border-style, solid);
    --wdlib-border-color: var(--wdlib-admin-border-color, #e5e7eb);
    --wdlib-border-radius: var(--wdlib-admin-border-radius, 8px);
    --wdlib-font: var(--wdlib-admin-font, inherit);
    --wdlib-columns: 2;
    --wdlib-card-min-width: 220px;
    --wdlib-thumb-size: 150px;
    --wdlib-transition: .2s ease;
    --wdlib-shadow: 0 1px 3px rgba(0,0,0,.05), 0 1px 2px rgba(0,0,0,.03);
    --wdlib-shadow-hover: 0 4px 12px rgba(0,0,0,.08);

    font-family: var(--wdlib-font);
    color: var(--wdlib-text);
    background: var(--wdlib-bg);
    box-sizing: border-box;
    line-height: 1.6;
    font-size: 14px;
    max-width: none;
}

.wdlib-wrap *,
.wdlib-wrap *::before,
.wdlib-wrap *::after {
    box-sizing: border-box;
}

/* ---------- Full-Width Breakout ---------- */
/* Escapes any parent max-width constraint (e.g. theme content wrapper) */
.wdlib-width-full {
    width: 100vw;
    max-width: 100vw !important;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    padding-left: 20px;
    padding-right: 20px;
    box-sizing: border-box;
}

/* ---------- Filter Bar ---------- */
.wdlib-filter-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    padding: 16px 0;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--wdlib-border-color);
}

.wdlib-search {
    position: relative;
    flex: 1;
    min-width: 200px;
    max-width: 360px;
}

.wdlib-search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: #9ca3af;
    pointer-events: none;
}

.wdlib-search-input {
    width: 100%;
    padding: 10px 12px 10px 40px;
    border: 1px solid var(--wdlib-border-color);
    border-radius: var(--wdlib-border-radius);
    font-size: 14px;
    font-family: var(--wdlib-font);
    color: var(--wdlib-text);
    background: #fff;
    outline: none;
    transition: border-color var(--wdlib-transition), box-shadow var(--wdlib-transition);
}

.wdlib-search-input:focus {
    border-color: var(--wdlib-primary);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--wdlib-primary) 15%, transparent);
}

.wdlib-filters {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
}

.wdlib-filter-group {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Pills */
.wdlib-category-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.wdlib-pill {
    display: inline-block;
    padding: 6px 16px;
    border: 1px solid var(--wdlib-border-color);
    border-radius: 100px;
    background: #fff;
    color: var(--wdlib-text);
    font-size: 13px;
    font-family: var(--wdlib-font);
    cursor: pointer;
    transition: all var(--wdlib-transition);
    white-space: nowrap;
}

.wdlib-pill:hover {
    border-color: var(--wdlib-primary);
    color: var(--wdlib-primary);
}

.wdlib-pill.active {
    background: var(--wdlib-primary);
    border-color: var(--wdlib-primary);
    color: #fff;
}

/* Selects */
.wdlib-category-select,
.wdlib-type-select,
.wdlib-sort-select {
    padding: 8px 32px 8px 12px;
    border: 1px solid var(--wdlib-border-color);
    border-radius: var(--wdlib-border-radius);
    font-size: 13px;
    font-family: var(--wdlib-font);
    color: var(--wdlib-text);
    background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") no-repeat right 10px center;
    appearance: none;
    cursor: pointer;
    outline: none;
    transition: border-color var(--wdlib-transition);
}

.wdlib-category-select:focus,
.wdlib-type-select:focus,
.wdlib-sort-select:focus {
    border-color: var(--wdlib-primary);
}

/* Sort order toggle */
.wdlib-sort-order {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid var(--wdlib-border-color);
    border-radius: var(--wdlib-border-radius);
    background: #fff;
    cursor: pointer;
    color: var(--wdlib-text);
    transition: all var(--wdlib-transition);
}

.wdlib-sort-order:hover {
    border-color: var(--wdlib-primary);
    color: var(--wdlib-primary);
}

.wdlib-sort-order[data-wdlib-sort-order="desc"] svg {
    transform: rotate(180deg);
}

/* ---------- Category Headings ---------- */
.wdlib-category-heading {
    font-size: 16px;
    font-weight: 600;
    font-family: var(--wdlib-font);
    color: var(--wdlib-text);
    margin: 24px 0 12px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--wdlib-primary);
    display: inline-block;
}

.wdlib-category-section:first-child .wdlib-category-heading {
    margin-top: 0;
}

/* ---------- Style 1: List ---------- */
.wdlib-list .wdlib-list-grid {
    display: grid;
    grid-template-columns: repeat(var(--wdlib-columns), 1fr);
    gap: 4px;
}

.wdlib-list-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border: 1px solid var(--wdlib-border-color);
    border-style: var(--wdlib-border-style);
    border-radius: var(--wdlib-border-radius);
    background: #fff;
    transition: box-shadow var(--wdlib-transition), border-color var(--wdlib-transition);
}

.wdlib-list-item:hover {
    box-shadow: var(--wdlib-shadow-hover);
    border-color: color-mix(in srgb, var(--wdlib-primary) 30%, var(--wdlib-border-color));
}

.wdlib-list-icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.wdlib-list-icon img {
    max-width: 100%;
    max-height: 100%;
}

.wdlib-list-info {
    flex: 1;
    min-width: 0;
}

.wdlib-list-title {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--wdlib-text);
    text-decoration: none;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: color var(--wdlib-transition);
}

.wdlib-list-title:hover {
    color: var(--wdlib-primary);
}

.wdlib-list-desc {
    display: block;
    font-size: 12px;
    color: #6b7280;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-top: 2px;
}

.wdlib-list-meta {
    flex-shrink: 0;
}

.wdlib-list-size {
    font-size: 12px;
    color: #9ca3af;
    white-space: nowrap;
}

.wdlib-download-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 12px;
    border-radius: var(--wdlib-border-radius);
    background: var(--wdlib-primary);
    color: #fff;
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: opacity var(--wdlib-transition), transform var(--wdlib-transition);
    flex-shrink: 0;
}

.wdlib-download-btn:hover {
    opacity: .9;
    transform: translateY(-1px);
    color: #fff;
}

.wdlib-download-btn svg {
    flex-shrink: 0;
}

.wdlib-list-item .wdlib-download-btn {
    padding: 6px;
    border-radius: 6px;
}

/* ---------- Style 2: Gallery ---------- */
.wdlib-gallery .wdlib-gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(var(--wdlib-card-min-width), 1fr));
    gap: 16px;
}

.wdlib-gallery-card {
    border: 1px solid var(--wdlib-border-color);
    border-style: var(--wdlib-border-style);
    border-radius: var(--wdlib-border-radius);
    background: #fff;
    overflow: hidden;
    box-shadow: var(--wdlib-shadow);
    transition: box-shadow var(--wdlib-transition), transform var(--wdlib-transition);
}

.wdlib-gallery-card:hover {
    box-shadow: var(--wdlib-shadow-hover);
    transform: translateY(-2px);
}

.wdlib-gallery-preview {
    position: relative;
    width: 100%;
    padding-top: 65%;
    background: #f9fafb;
    overflow: hidden;
}

.wdlib-gallery-preview a {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.wdlib-gallery-preview img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform .3s ease;
}

.wdlib-gallery-card:hover .wdlib-preview-image img {
    transform: scale(1.03);
}

/* Icon-only previews (no real thumbnail generated) */
.wdlib-preview-icon {
    background: linear-gradient(135deg, #f8fafc 0%, #eef2ff 100%);
}

.wdlib-gallery-preview.wdlib-preview-icon img {
    max-width: 56px;
    max-height: 56px;
    object-fit: contain;
    transition: none;
}

.wdlib-library-thumb.wdlib-preview-icon img {
    width: auto;
    height: auto;
    max-width: 48px;
    max-height: 48px;
    object-fit: contain;
    padding: 0;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.wdlib-gallery-info {
    padding: 14px 16px;
}

.wdlib-gallery-title {
    font-size: 14px;
    font-weight: 600;
    margin: 0 0 4px;
    line-height: 1.3;
}

.wdlib-gallery-title a {
    color: var(--wdlib-text);
    text-decoration: none;
    transition: color var(--wdlib-transition);
}

.wdlib-gallery-title a:hover {
    color: var(--wdlib-primary);
}

.wdlib-gallery-desc {
    font-size: 13px;
    color: #6b7280;
    margin: 0 0 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
}

.wdlib-gallery-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: #9ca3af;
}

.wdlib-gallery-type {
    display: inline-block;
    padding: 1px 6px;
    background: #f3f4f6;
    border-radius: 3px;
    font-weight: 600;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: .3px;
}

/* ---------- Style 3: Library ---------- */
.wdlib-library-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(var(--wdlib-thumb-size), 1fr));
    gap: 12px;
}

.wdlib-library-item {
    text-align: center;
    outline: none;
    cursor: default;
}

.wdlib-library-thumb {
    position: relative;
    width: 100%;
    padding-top: 100%;
    border: 1px solid var(--wdlib-border-color);
    border-style: var(--wdlib-border-style);
    border-radius: var(--wdlib-border-radius);
    overflow: hidden;
    background: #f9fafb;
}

.wdlib-library-thumb img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 8px;
    transition: transform .3s ease;
}

.wdlib-library-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,.7);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px;
    opacity: 0;
    transition: opacity .25s ease;
}

.wdlib-library-item:hover .wdlib-library-overlay,
.wdlib-library-item:focus .wdlib-library-overlay,
.wdlib-library-item:focus-within .wdlib-library-overlay {
    opacity: 1;
}

.wdlib-library-item:hover .wdlib-preview-image img {
    transform: scale(1.05);
}

.wdlib-library-desc {
    color: #fff;
    font-size: 11px;
    line-height: 1.4;
    text-align: center;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.wdlib-library-overlay .wdlib-download-btn {
    padding: 6px 14px;
    font-size: 12px;
    border-radius: 6px;
}

.wdlib-library-title {
    display: block;
    font-size: 12px;
    font-weight: 500;
    color: var(--wdlib-text);
    text-decoration: none;
    margin-top: 8px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: color var(--wdlib-transition);
}

a.wdlib-library-title:hover {
    color: var(--wdlib-primary);
}

.wdlib-overlay-detail-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 14px;
    border: 1px solid rgba(255,255,255,.5);
    border-radius: 6px;
    color: #fff;
    text-decoration: none;
    font-size: 12px;
    font-weight: 500;
    transition: background .15s ease;
}

.wdlib-overlay-detail-btn:hover {
    background: rgba(255,255,255,.15);
    color: #fff;
}

/* ---------- Empty State ---------- */
.wdlib-empty {
    text-align: center;
    padding: 48px 20px;
    color: #9ca3af;
}

.wdlib-empty p {
    margin: 0;
    font-size: 14px;
}

/* ---------- Lightbox ---------- */
.wdlib-lightbox {
    position: fixed;
    inset: 0;
    z-index: 999999;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,.85);
    animation: wdlib-fade-in .2s ease;
}

@keyframes wdlib-fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

.wdlib-lightbox-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.wdlib-lightbox-content img {
    max-width: 100%;
    max-height: 80vh;
    border-radius: 8px;
    box-shadow: 0 20px 60px rgba(0,0,0,.3);
}

.wdlib-lightbox-close {
    position: absolute;
    top: -12px;
    right: -12px;
    width: 36px;
    height: 36px;
    border: none;
    background: #fff;
    border-radius: 50%;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0,0,0,.2);
    transition: transform var(--wdlib-transition);
    z-index: 1;
}

.wdlib-lightbox-close:hover {
    transform: scale(1.1);
}

.wdlib-lightbox-footer {
    display: flex;
    align-items: center;
    gap: 12px;
}

.wdlib-lightbox-title {
    color: #fff;
    font-size: 14px;
    font-weight: 500;
}

.wdlib-lightbox-download {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--wdlib-primary, #3858e9);
    color: #fff;
    text-decoration: none;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    transition: opacity var(--wdlib-transition);
}

.wdlib-lightbox-download:hover {
    opacity: .9;
    color: #fff;
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
    .wdlib-list .wdlib-list-grid {
        grid-template-columns: 1fr !important;
    }

    .wdlib-filter-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .wdlib-search {
        max-width: none;
    }

    .wdlib-filters {
        flex-direction: column;
        align-items: stretch;
    }

    .wdlib-category-pills {
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 4px;
    }

    .wdlib-gallery .wdlib-gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    }

    .wdlib-list-meta {
        display: none;
    }
}

@media (max-width: 480px) {
    .wdlib-gallery .wdlib-gallery-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }

    .wdlib-gallery-info {
        padding: 10px 12px;
    }

    .wdlib-gallery-desc {
        display: none;
    }

    .wdlib-library-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
    }
}

/* ---------- Print ---------- */
@media print {
    .wdlib-filter-bar {
        display: none;
    }

    .wdlib-list .wdlib-list-grid {
        grid-template-columns: 1fr;
    }

    .wdlib-gallery .wdlib-gallery-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .wdlib-download-btn {
        display: none;
    }

    .wdlib-library-overlay {
        display: none;
    }
}

/* ---------- Detail Modal ---------- */
.wdlib-detail-modal {
    position: fixed;
    inset: 0;
    z-index: 999999;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,.6);
    opacity: 0;
    transition: opacity .2s ease;
    padding: 20px;
}

.wdlib-detail-modal.wdlib-detail-open {
    opacity: 1;
}

.wdlib-detail-content {
    position: relative;
    display: flex;
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    max-width: 720px;
    width: 100%;
    max-height: 85vh;
    box-shadow: 0 20px 60px rgba(0,0,0,.25);
    transform: translateY(16px) scale(.97);
    transition: transform .2s ease;
}

.wdlib-detail-open .wdlib-detail-content {
    transform: translateY(0) scale(1);
}

.wdlib-detail-close {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 32px;
    height: 32px;
    border: none;
    background: rgba(0,0,0,.06);
    border-radius: 50%;
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    transition: background .15s ease;
}

.wdlib-detail-close:hover {
    background: rgba(0,0,0,.12);
}

.wdlib-detail-preview {
    flex-shrink: 0;
    width: 280px;
    background: #f9fafb;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.wdlib-detail-preview img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    padding: 16px;
}

.wdlib-detail-preview-icon {
    background: linear-gradient(135deg, #f8fafc 0%, #eef2ff 100%);
}

.wdlib-detail-preview-icon img {
    max-width: 72px;
    max-height: 72px;
}

.wdlib-detail-info {
    flex: 1;
    padding: 28px 28px 24px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.wdlib-detail-title {
    font-size: 18px;
    font-weight: 600;
    margin: 0;
    color: var(--wdlib-text, #111827);
    line-height: 1.3;
    padding-right: 28px;
}

.wdlib-detail-desc {
    font-size: 14px;
    color: #6b7280;
    margin: 0;
    line-height: 1.5;
}

.wdlib-detail-meta {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    margin: 4px 0;
}

.wdlib-detail-meta th {
    text-align: left;
    font-weight: 500;
    color: #9ca3af;
    padding: 6px 16px 6px 0;
    white-space: nowrap;
    width: 90px;
}

.wdlib-detail-meta td {
    color: var(--wdlib-text, #374151);
    padding: 6px 0;
}

.wdlib-detail-meta tr + tr th,
.wdlib-detail-meta tr + tr td {
    border-top: 1px solid #f3f4f6;
}

.wdlib-detail-download {
    align-self: flex-start;
    margin-top: 4px;
}

@media (max-width: 600px) {
    .wdlib-detail-content {
        flex-direction: column;
        max-height: 90vh;
    }

    .wdlib-detail-preview {
        width: 100%;
        height: 180px;
    }

    .wdlib-detail-info {
        padding: 20px;
    }
}

/* ---------- Hidden utility ---------- */
.wdlib-hidden {
    display: none !important;
}