/* Sidebar + Content Layout */
.hub-catalog-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 24px;
    align-items: start;
}

/* Sidebar */
.hub-filters-sidebar {
    background: var(--hub-bg-card);
    border-radius: 12px;
    padding: 20px;
    position: sticky;
    top: 100px;
}

.hub-filters-title {
    font-size: 1.5rem;
    text-align: center;
    font-weight: 700;
    color: var(--hub-text);
    margin-bottom: 24px;
}

/* Список фільтрів */
.hub-filters-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
}

/* Фільтр Item */
.hub-filter-item {
    border: 2px solid var(--hub-border);
    border-radius: 12px;
    overflow: visible;
}

/* Header фільтра */
.hub-filter-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    cursor: pointer;
    user-select: none;
}

.hub-filter-label {
    font-size: 1rem;
    color: var(--hub-text);
    flex: 1;
}

/* Custom checkbox */
.hub-filter-checkbox {
    width: 24px;
    height: 24px;
    border: 2px solid var(--hub-border);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.2s;
}

.hub-filter-checkbox.checked {
    background: var(--hub-primary);
    border-color: var(--hub-primary);
}

.hub-filter-checkbox.checked::after {
    content: '✓';
    color: white;
    font-size: 14px;
    font-weight: bold;
}

/* Dropdown arrow */
.hub-filter-arrow {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    transition: transform 0.2s;
    fill: var(--hub-text);
}

.hub-filter-arrow.open {
    transform: rotate(180deg);
}

/* Submenu */
.hub-filter-submenu {
    padding: 0 16px 12px 16px;
    display: none;
}

.hub-filter-submenu.open {
    display: block;
}

.hub-filter-subitem {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    cursor: pointer;
}

.hub-filter-subitem input[type="checkbox"] {
    width: 20px;
    height: 20px;
}

/* Кнопки */
.hub-filter-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.hub-filter-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 12px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
}

.hub-filter-btn-icon {
    flex-shrink: 0;
}

.hub-filter-btn-text {
    font-size: 0.75rem;
    line-height: 1;
}

.hub-filter-btn-apply {
    background: var(--hub-primary);
    color: white;
}

.hub-filter-btn-apply:hover {
    background: #d4190c;
}

.hub-filter-btn-cancel {
    background: var(--hub-secondary);
    color: white;
}

.hub-filter-btn-cancel:hover {
    background: #333333;
}

/* ============================================
   МОБІЛЬНА/ПЛАНШЕТНА ПАНЕЛЬ ФІЛЬТРІВ
   ============================================ */

/* Кнопка відкриття фільтрів - тільки моб/планшет */
.hub-filters-toggle-btn {
    display: none;
}

/* Шапка панелі (мобільна) */
.hub-filters-header {
    display: none;
}

@media (max-width: 1024px) {
    .hub-filters-toggle-btn {
        display: flex;
        align-items: center;
        gap: 8px;
        padding: 10px 16px;
        background: var(--hub-bg-card);
        border: 2px solid var(--hub-border);
        border-radius: 12px;
        color: var(--hub-text);
        font-weight: 600;
        cursor: pointer;
        transition: all 0.2s;
    }
    
    .hub-filters-toggle-btn:active {
        background: var(--hub-primary);
        color: white;
    }
    
    .hub-catalog-layout {
        grid-template-columns: 1fr;
    }
    
    .hub-filters-sidebar {
        position: fixed;
        top: 0;
        left: -100%;
        height: 100vh;
        width: auto;
        min-width: 320px;
        max-width: 85%;
        transition: left 0.25s ease-out;
        z-index: 999;
        background: var(--hub-bg-card);
        box-shadow: 4px 0 20px rgba(0,0,0,0.15);
        display: flex;
        flex-direction: column;
        padding: 0;
    }
    
    .hub-filters-sidebar.active {
        left: 0;
    }
    
    .hub-filters-sidebar .hub-filters-title {
        display: none;
    }
    
    .hub-filters-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 16px;
        border-bottom: 1px solid var(--hub-border);
        flex-shrink: 0;
        background: var(--hub-bg-card);
    }
    
    .hub-filters-title-mobile {
        font-size: 1.125rem;
        font-weight: 700;
        color: var(--hub-text);
        margin: 0;
    }
    
    .hub-filters-close-btn {
        background: transparent;
        border: none;
        padding: 4px;
        cursor: pointer;
        color: var(--hub-text);
        display: flex;
        border-radius: 4px;
        transition: background 0.2s;
    }
    
    .hub-filters-close-btn:active {
        background: var(--hub-border);
    }
    
    .hub-filters-sidebar .hub-filters-list {
        flex: 1;
        padding: 16px;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .hub-filter-submenu {
        overflow-y: visible;
        -webkit-overflow-scrolling: touch;
    }
    
    .hub-filter-actions {
        padding: 16px;
        border-top: 1px solid var(--hub-border);
        flex-shrink: 0;
        background: var(--hub-bg-card);
    }
}

@media (max-width: 768px) {
    .hub-filters-sidebar {
        min-width: 280px;
        max-width: 90%;
    }
    
    .hub-filters-toggle-btn {
        padding: 8px 12px;
        font-size: 0.875rem;
    }
}

@supports (-webkit-touch-callout: none) {
    @media (max-width: 1024px) {
        .hub-filters-sidebar {
            height: 100dvh;
            -webkit-font-smoothing: antialiased;
            -webkit-backface-visibility: hidden;
            backface-visibility: hidden;
        }
        
        .hub-filter-label,
        .hub-filter-subitem span,
        .hub-filters-title-mobile {
            -webkit-font-smoothing: antialiased;
        }
        
        .hub-filters-sidebar .hub-filters-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        
        .hub-filters-list .hub-filter-item {
            margin-bottom: 8px;
            height: auto;
            overflow: visible;
        }
        
        .hub-filters-list .hub-filter-item:last-child {
            margin-bottom: 0;
        }
        
        .hub-filter-submenu.open {
            display: block;
            height: auto;
        }
    }
    
    @media (max-width: 768px) {
        .hub-filters-sidebar {
            height: 100dvh;
        }
    }
}

/* Horizontal search bar над каталогом */
.hub-search-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 5px 16px;
    background: var(--hub-bg-card);
    border-radius: 12px;
    border: 2px solid var(--hub-border);
    box-sizing: border-box;
}

.hub-search-icon {
    flex-shrink: 0;
    color: var(--hub-text-light);
}

.hub-search-field {
    flex: 1;
    border: none;
    font-size: 1rem;
    color: var(--hub-text);
    outline: none;
}

.hub-search-field::placeholder {
    color: var(--hub-text-light);
}

.hub-search-btn {
    padding: 8px 20px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.hub-search-btn-find {
    background: var(--hub-primary);
    color: white;
}

.hub-search-btn-find:hover {
    background: #d4190c;
}

.hub-search-btn-reset {
    background: var(--hub-secondary);
    color: white;
}

.hub-search-btn-reset:hover {
    background: #333333;
}

/* Search bar responsive */
@media (max-width: 1024px) {
    .hub-search-bar {
        width: 100%;
        max-width: 100%;
        padding: 5px 12px;
        gap: 8px;
        margin-left: 0;
        margin-right: 0;
        box-sizing: border-box;
    }
    
    .hub-search-field {
        flex: 1;
        min-width: 0;
        max-width: 100%;
    }
    
    .hub-search-btn {
        padding: 6px 12px;
        font-size: 0.875rem;
        flex-shrink: 0;
    }
}

@media (max-width: 768px) {
    .hub-search-bar {
        padding: 4px 8px;
        gap: 6px;
    }
    
    .hub-search-btn {
        padding: 5px 10px;
        font-size: 0.8125rem;
    }
}