/**
 * gallery-tree.css - Styles arborescence Nextcloud Bordeaux
 * Version: 16.5.12
 */

:root {
    --rpg-primary: #800020;
    --rpg-primary-dark: #5A0016;
    --rpg-primary-light: #FDF2F4;
    --rpg-secondary: #1A1A2E;
    --rpg-bg: #F8F9FA;
    --rpg-card-bg: #FFFFFF;
    --rpg-text: #1A2533;
    --rpg-text-secondary: #6A7A8E;
    --rpg-border: #E5E9EE;
    --rpg-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    --rpg-radius: 10px;
    --rpg-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================ */
/* CONTENEUR PRINCIPAL                          */
/* ============================================ */

.rpg-gallery-tree {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    max-width: 1400px;
    margin: 30px auto;
    padding: 24px;
    background: var(--rpg-bg);
    border-radius: var(--rpg-radius);
}

/* ============================================ */
/* RECHERCHE - BORDEAUX                         */
/* ============================================ */

.rpg-tree-search {
    margin-bottom: 20px;
}

.rpg-tree-search .rpg-search-box {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.rpg-tree-search input[type="text"] {
    flex: 1;
    min-width: 200px;
    padding: 10px 18px 10px 44px;
    border: 2px solid var(--rpg-border);
    border-radius: 50px;
    font-size: 14px;
    background: white url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236A7A8E' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.35-4.35'/%3E%3C/svg%3E") no-repeat 16px center;
    color: var(--rpg-text);
    transition: all var(--rpg-transition);
}

.rpg-tree-search input[type="text"]:focus {
    outline: none;
    border-color: var(--rpg-primary);
    box-shadow: 0 0 0 3px rgba(128, 0, 32, 0.15);
}

.rpg-tree-search-btn {
    background: var(--rpg-primary);
    color: white;
    border: none;
    padding: 10px 28px;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    transition: all var(--rpg-transition);
    font-family: inherit;
    box-shadow: 0 2px 4px rgba(128, 0, 32, 0.12);
}

.rpg-tree-search-btn:hover {
    background: var(--rpg-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(128, 0, 32, 0.3);
}

/* ============================================ */
/* STATS                                        */
/* ============================================ */

.rpg-tree-stats {
    display: flex;
    gap: 24px;
    padding: 12px 20px;
    background: var(--rpg-card-bg);
    border-radius: var(--rpg-radius);
    margin-bottom: 20px;
    font-size: 14px;
    color: var(--rpg-text-secondary);
    border: 1px solid var(--rpg-border);
    box-shadow: var(--rpg-shadow);
}

.rpg-tree-stats strong {
    color: var(--rpg-text);
    font-weight: 600;
}

/* ============================================ */
/* CONTAINER PRINCIPAL                          */
/* ============================================ */

.rpg-tree-container {
    display: flex;
    gap: 24px;
    min-height: 500px;
}

/* ============================================ */
/* SIDEBAR                                      */
/* ============================================ */

.rpg-tree-sidebar {
    flex: 0 0 300px;
    background: var(--rpg-card-bg);
    border-radius: var(--rpg-radius);
    padding: 12px;
    max-height: 600px;
    overflow-y: auto;
    border: 1px solid var(--rpg-border);
    box-shadow: var(--rpg-shadow);
}

.rpg-tree-sidebar::-webkit-scrollbar {
    width: 5px;
}

.rpg-tree-sidebar::-webkit-scrollbar-track {
    background: var(--rpg-bg);
    border-radius: 10px;
}

.rpg-tree-sidebar::-webkit-scrollbar-thumb {
    background: var(--rpg-border);
    border-radius: 10px;
}

.rpg-tree-sidebar::-webkit-scrollbar-thumb:hover {
    background: var(--rpg-text-secondary);
}

/* ============================================ */
/* CATÉGORIES                                   */
/* ============================================ */

.rpg-tree-categories {
    font-size: 14px;
}

.rpg-tree-category {
    user-select: none;
    margin-bottom: 2px;
}

.rpg-tree-category-header {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    transition: all var(--rpg-transition);
    color: var(--rpg-text);
}

.rpg-tree-category-header:hover {
    background: var(--rpg-bg);
}

.rpg-tree-category-header .rpg-tree-toggle {
    width: 22px;
    text-align: center;
    font-size: 11px;
    color: var(--rpg-text-secondary);
    transition: transform var(--rpg-transition);
}

.rpg-tree-category-header .rpg-tree-toggle.open {
    transform: rotate(90deg);
}

.rpg-tree-category-header .rpg-tree-icon {
    margin-right: 10px;
    font-size: 16px;
}

.rpg-tree-category-header .rpg-tree-name {
    flex: 1;
    font-weight: 500;
    color: var(--rpg-text);
}

.rpg-tree-category-header .rpg-tree-count {
    font-size: 11px;
    background: var(--rpg-bg);
    padding: 2px 10px;
    border-radius: 20px;
    color: var(--rpg-text-secondary);
    font-weight: 500;
}

.rpg-tree-category-header.active {
    background: var(--rpg-primary);
    color: white;
    border-radius: 6px;
}

.rpg-tree-category-header.active .rpg-tree-name {
    color: white;
}

.rpg-tree-category-header.active .rpg-tree-count {
    background: rgba(255, 255, 255, 0.25);
    color: white;
}

.rpg-tree-category-header.active .rpg-tree-toggle {
    color: white;
}

.rpg-tree-children {
    padding-left: 16px;
    display: none;
}

.rpg-tree-children.open {
    display: block;
}

/* ============================================ */
/* CONTENT PRINCIPAL                            */
/* ============================================ */

.rpg-tree-content {
    flex: 1;
    background: var(--rpg-card-bg);
    border-radius: var(--rpg-radius);
    padding: 20px;
    min-height: 400px;
    border: 1px solid var(--rpg-border);
    box-shadow: var(--rpg-shadow);
}

/* ============================================ */
/* BREADCRUMB                                   */
/* ============================================ */

.rpg-tree-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    padding: 10px 16px;
    background: var(--rpg-bg);
    border-radius: 6px;
    margin-bottom: 16px;
    font-size: 13px;
    color: var(--rpg-text-secondary);
}

.rpg-tree-breadcrumb span {
    cursor: pointer;
    color: var(--rpg-primary);
    font-weight: 500;
    transition: color var(--rpg-transition);
}

.rpg-tree-breadcrumb span:hover {
    color: var(--rpg-primary-dark);
    text-decoration: underline;
}

.rpg-tree-breadcrumb .separator {
    color: var(--rpg-text-secondary);
    font-weight: 300;
}

/* ============================================ */
/* PDF ITEMS - BORDEAUX                         */
/* ============================================ */

.rpg-tree-pdf-item {
    display: flex;
    align-items: center;
    padding: 10px 14px;
    border-bottom: 1px solid var(--rpg-border);
    transition: all var(--rpg-transition);
    cursor: pointer;
    border-radius: 6px;
    margin-bottom: 2px;
}

.rpg-tree-pdf-item:hover {
    background: var(--rpg-primary-light);
    border-color: transparent;
}

.rpg-tree-pdf-item .rpg-pdf-icon {
    font-size: 24px;
    margin-right: 14px;
    flex-shrink: 0;
    opacity: 0.7;
}

.rpg-tree-pdf-item .rpg-pdf-info {
    flex: 1;
    min-width: 0;
}

.rpg-tree-pdf-item .rpg-pdf-title {
    font-weight: 500;
    color: var(--rpg-text);
    font-size: 14px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.rpg-tree-pdf-item .rpg-pdf-description {
    font-size: 12px;
    color: #555;
    margin: 4px 0 6px 0;
    line-height: 1.4;
    font-style: italic;
    padding: 4px 10px;
    border-left: 3px solid var(--rpg-primary, #800020);
    background: rgba(128, 0, 32, 0.04);
    border-radius: 0 4px 4px 0;
    max-height: 60px;
    overflow-y: auto;
    word-break: break-word;
}

.rpg-tree-pdf-item .rpg-pdf-meta {
    font-size: 12px;
    color: var(--rpg-text-secondary);
    margin-top: 2px;
}

.rpg-tree-pdf-item .rpg-pdf-actions {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
}

.rpg-tree-pdf-item .rpg-pdf-view-btn {
    background: var(--rpg-primary) !important;
    color: #ffffff !important;
    border: none !important;
    padding: 6px 16px !important;
    border-radius: 6px !important;
    font-size: 12px !important;
    font-weight: 600 !important;
    cursor: pointer !important;
    transition: all var(--rpg-transition) !important;
    font-family: inherit !important;
    box-shadow: 0 2px 4px rgba(128, 0, 32, 0.12);
}

.rpg-tree-pdf-item .rpg-pdf-view-btn:hover {
    background: var(--rpg-primary-dark) !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(128, 0, 32, 0.25);
}

.rpg-tree-pdf-item .rpg-pdf-download-btn {
    background: transparent !important;
    color: var(--rpg-primary) !important;
    border: 2px solid var(--rpg-primary) !important;
    padding: 6px 16px !important;
    border-radius: 6px !important;
    font-size: 12px !important;
    font-weight: 600 !important;
    cursor: pointer !important;
    transition: all var(--rpg-transition) !important;
    font-family: inherit !important;
}

.rpg-tree-pdf-item .rpg-pdf-download-btn:hover {
    background: var(--rpg-primary) !important;
    color: #ffffff !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(128, 0, 32, 0.2);
}

/* ============================================ */
/* LOADING / EMPTY                              */
/* ============================================ */

.rpg-tree-loading {
    text-align: center;
    padding: 60px 20px;
    color: var(--rpg-text-secondary);
    font-size: 15px;
}

.rpg-tree-no-results {
    text-align: center;
    padding: 60px 20px;
    color: var(--rpg-text-secondary);
    font-size: 15px;
}

.rpg-tree-no-results::before {
    content: "📭 ";
    font-size: 42px;
    display: block;
    margin-bottom: 12px;
}

/* ============================================ */
/* PAGINATION - BORDEAUX                        */
/* ============================================ */

.rpg-tree-pagination {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.rpg-tree-page-btn {
    padding: 8px 16px;
    background: white;
    border: 2px solid var(--rpg-border);
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    color: var(--rpg-text-secondary);
    transition: all var(--rpg-transition);
    font-weight: 500;
    font-family: inherit;
}

.rpg-tree-page-btn:hover:not(:disabled) {
    border-color: var(--rpg-primary);
    color: var(--rpg-primary);
    background: var(--rpg-primary-light);
}

.rpg-tree-page-btn.active {
    background: var(--rpg-primary);
    color: white;
    border-color: var(--rpg-primary);
    box-shadow: 0 2px 8px rgba(128, 0, 32, 0.25);
}

.rpg-tree-page-btn.active:hover {
    background: var(--rpg-primary-dark);
    border-color: var(--rpg-primary-dark);
}

.rpg-tree-page-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* ============================================ */
/* RESPONSIVE                                   */
/* ============================================ */

@media (max-width: 1024px) {
    .rpg-tree-sidebar {
        flex: 0 0 260px;
    }
}

@media (max-width: 768px) {
    .rpg-tree-container {
        flex-direction: column;
    }
    
    .rpg-tree-sidebar {
        flex: auto;
        max-height: 280px;
    }
    
    .rpg-tree-search .rpg-search-box {
        flex-direction: column;
    }
    
    .rpg-tree-search input[type="text"] {
        min-width: auto;
        width: 100%;
    }
    
    .rpg-tree-pdf-item {
        flex-wrap: wrap;
    }
    
    .rpg-tree-pdf-item .rpg-pdf-actions {
        margin-top: 8px;
        width: 100%;
        justify-content: flex-start;
    }
    
    .rpg-tree-content {
        padding: 16px;
    }
}

@media (max-width: 480px) {
    .rpg-gallery-tree {
        padding: 12px;
        margin: 8px auto;
    }
    
    .rpg-tree-sidebar {
        max-height: 200px;
        padding: 8px;
    }
    
    .rpg-tree-pdf-item .rpg-pdf-title {
        font-size: 13px;
    }
    
    .rpg-tree-pdf-item .rpg-pdf-actions button {
        padding: 4px 10px;
        font-size: 11px;
    }
    
    .rpg-tree-stats {
        flex-direction: column;
        gap: 4px;
        padding: 10px 16px;
        font-size: 13px;
    }
    
    .rpg-tree-pdf-item .rpg-pdf-description {
        font-size: 10px;
        padding: 3px 6px;
        max-height: 40px;
        border-left-width: 2px;
    }
}