/* ========================================
   Diseño de Galería con Sidebar
   ======================================== */

.gallery-layout {
    display: flex;
    min-height: calc(100vh - var(--header-height) - 100px);
    gap: 0;
    padding: 0;
    max-width: 100%;
}

/* ========================================
   Sidebar de Álbumes
   ======================================== */

.gallery-sidebar {
    width: 300px;
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
    position: sticky;
    top: var(--header-height);
    height: calc(100vh - var(--header-height));
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-header h2 {
    margin: 0;
    font-size: 1.3rem;
}

.sidebar-search {
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-primary);
}

.sidebar-search .search-form {
    display: flex;
    gap: 8px;
    align-items: center;
}

.sidebar-search .search-input {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.9rem;
}

.sidebar-search .search-input:focus {
    outline: none;
    border-color: var(--primary);
}

.sidebar-search .btn-sm {
    padding: 8px 12px;
    font-size: 0.85rem;
    white-space: nowrap;
}

.albums-menu {
    display: flex;
    flex-direction: column;
}

.album-menu-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    transition: background-color var(--transition);
    text-decoration: none;
}

.album-menu-item:hover {
    background-color: var(--bg-tertiary);
}

.album-menu-item.active {
    background-color: var(--bg-tertiary);
    border-left: 3px solid var(--primary);
}

.album-menu-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--border-radius);
    overflow: hidden;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-primary);
}

.album-menu-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.album-menu-icon span {
    font-size: 1.5rem;
}

.album-menu-info {
    flex: 1;
    min-width: 0;
}

.album-menu-title {
    font-weight: 600;
    margin-bottom: 5px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.album-menu-meta {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ========================================
   Contenido de la Galería
   ======================================== */

.gallery-content {
    flex: 1;
    padding: 30px;
    overflow-y: auto;
}

.gallery-header {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.gallery-header h1 {
    margin-bottom: 10px;
}

.gallery-description {
    color: var(--text-secondary);
    margin-bottom: 15px;
    line-height: 1.6;
}

.gallery-meta {
    display: flex;
    gap: 10px;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ========================================
   Resultados de Búsqueda
   ======================================== */

.search-result-album {
    margin-bottom: 50px;
    padding-bottom: 30px;
    border-bottom: 2px solid var(--border-color);
}

.search-result-album:last-child {
    border-bottom: none;
}

.search-album-header {
    margin-bottom: 20px;
}

.search-album-header h2 {
    margin-bottom: 8px;
}

.search-album-header h2 a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color var(--transition);
}

.search-album-header h2 a:hover {
    color: var(--primary);
}

.search-album-meta {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0;
}

/* ========================================
   Árbol Jerárquico de Álbumes
   ======================================== */

.albums-tree-nav {
    padding: 10px 0;
}

.album-tree-menu,
.album-tree-menu-root {
    list-style: none;
    padding: 0;
    margin: 0;
}

.album-tree-menu {
    padding-left: 20px;
    margin-top: 5px;
}

.album-tree-menu-item {
    margin-bottom: 5px;
}

.album-tree-menu-item.has-children > .album-menu-item {
    font-weight: 500;
}

.album-tree-menu-item .album-menu-item {
    display: flex;
    align-items: center;
    padding: 10px 15px;
    text-decoration: none;
    color: var(--text-primary);
    border-radius: var(--border-radius);
    transition: background-color var(--transition);
    gap: 12px;
}

.album-tree-menu-item .album-menu-item:hover {
    background-color: var(--bg-primary);
}

.album-tree-menu-item .album-menu-item.active {
    background-color: var(--primary);
    color: white;
}

.album-tree-menu-item .album-menu-item.active .album-menu-meta {
    color: rgba(255, 255, 255, 0.9);
}

/* Indentación visual para sub-álbumes */
.album-tree-menu .album-tree-menu-item {
    position: relative;
}

.album-tree-menu .album-tree-menu-item::before {
    content: '';
    position: absolute;
    left: -10px;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--border-color);
}

/* ========================================
   Responsive
   ======================================== */

@media (max-width: 1024px) {
    .gallery-sidebar {
        width: 250px;
    }
    
    .album-menu-icon {
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 768px) {
    .gallery-layout {
        flex-direction: column;
    }
    
    .gallery-sidebar {
        width: 100%;
        height: auto;
        position: static;
        max-height: 300px;
    }
    
    .albums-menu {
        flex-direction: row;
        overflow-x: auto;
        padding: 10px;
    }
    
    .album-menu-item {
        flex-direction: column;
        min-width: 120px;
        text-align: center;
        padding: 15px;
    }
    
    .album-menu-item.active {
        border-left: none;
        border-bottom: 3px solid var(--primary);
    }
    
    .album-menu-info {
        width: 100%;
    }
    
    .album-menu-title {
        white-space: normal;
        font-size: 0.9rem;
    }
    
    .gallery-content {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .gallery-content {
        padding: 15px;
    }
    
    .album-menu-item {
        min-width: 100px;
        padding: 10px;
    }
}