/**
 * Modern B2B HVAC Product Archive & Live Filter Styles
 * Theme: Woodmart Child - HVAC Industrial UX
 */

:root {
    --hvac-blue: #004B87;
    --hvac-blue-hover: #003663;
    --hvac-blue-light: #F0F6FA;
    --hvac-red: #E31837;
    --hvac-dark: #0F172A;
    --hvac-slate: #475569;
    --hvac-light-slate: #94A3B8;
    --hvac-bg: #F8FAFC;
    --hvac-card-bg: #FFFFFF;
    --hvac-border: #E2E8F0;
    --hvac-radius: 8px;
    --hvac-shadow: 0 4px 6px -1px rgba(15, 23, 42, 0.05), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
    --hvac-shadow-hover: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.04);
}

.hvac-archive-wrapper {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--hvac-dark);
    background-color: var(--hvac-bg);
    padding: 24px 0 60px;
    min-height: 80vh;
}

.hvac-archive-container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Banner & Live Search */
.hvac-archive-header {
    background: linear-gradient(135deg, #0F172A 0%, #004B87 100%);
    border-radius: 12px;
    padding: 32px 36px;
    color: #FFFFFF;
    margin-bottom: 24px;
    box-shadow: 0 10px 25px -5px rgba(0, 75, 135, 0.25);
    position: relative;
    overflow: hidden;
}

.hvac-archive-header::after {
    content: '';
    position: absolute;
    right: -50px;
    bottom: -50px;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, rgba(255,255,255,0) 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hvac-archive-header h1 {
    font-size: 28px;
    font-weight: 700;
    margin: 0 0 8px;
    color: #FFFFFF;
    letter-spacing: -0.02em;
}

.hvac-archive-header p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.85);
    margin: 0 0 20px;
    max-width: 700px;
}

/* Live Search Box Container */
.hvac-search-box {
    position: relative !important;
    max-width: 680px !important;
    width: 100% !important;
    margin-top: 18px !important;
    display: flex !important;
    align-items: center !important;
    background: #FFFFFF !important;
    border-radius: 50px !important;
    padding: 4px 12px 4px 20px !important;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2) !important;
    border: 2px solid transparent !important;
    transition: all 0.25s ease !important;
    box-sizing: border-box !important;
}

.hvac-search-box:focus-within {
    border-color: #004B87 !important;
    box-shadow: 0 0 0 4px rgba(0, 75, 135, 0.3), 0 10px 30px rgba(0, 0, 0, 0.25) !important;
}

/* Search Icon */
.hvac-search-icon {
    flex-shrink: 0 !important;
    width: 20px !important;
    height: 20px !important;
    color: #004B87 !important;
    margin-right: 12px !important;
    position: static !important;
    transform: none !important;
    pointer-events: none !important;
    display: block !important;
}

/* Search Input Field */
.hvac-search-box input#hvac-live-search {
    flex: 1 1 auto !important;
    width: 100% !important;
    height: 44px !important;
    line-height: 44px !important;
    background: transparent !important;
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
    color: #0F172A !important;
    font-size: 15px !important;
    font-weight: 500 !important;
    padding: 0 !important;
    margin: 0 !important;
}

.hvac-search-box input#hvac-live-search::placeholder {
    color: #64748B !important;
    font-size: 14px !important;
    font-weight: 400 !important;
    opacity: 1 !important;
}

/* Clear Button */
button#hvac-search-clear {
    flex-shrink: 0 !important;
    width: 30px !important;
    height: 30px !important;
    min-width: 30px !important;
    min-height: 30px !important;
    border-radius: 50% !important;
    background: #E2E8F0 !important;
    color: #475569 !important;
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
    display: none;
    align-items: center !important;
    justify-content: center !important;
    font-size: 16px !important;
    font-weight: bold !important;
    cursor: pointer !important;
    padding: 0 !important;
    margin: 0 4px 0 8px !important;
    position: static !important;
    transform: none !important;
    transition: all 0.2s ease !important;
    line-height: 1 !important;
}

button#hvac-search-clear:hover {
    background: #E31837 !important;
    color: #FFFFFF !important;
}

/* Layout Grid: Sidebar + Main Content */
.hvac-archive-layout {
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: nowrap !important;
    align-items: flex-start !important;
    justify-content: flex-start !important;
    gap: 24px !important;
    width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
    float: none !important;
    clear: both !important;
    box-sizing: border-box !important;
}

/* Left Sidebar Filters (280px) */
.hvac-filter-sidebar {
    flex: 0 0 280px !important;
    width: 280px !important;
    min-width: 280px !important;
    max-width: 280px !important;
    order: 1 !important;
    float: none !important;
    margin: 0 !important;
    background: var(--hvac-card-bg);
    border-radius: var(--hvac-radius);
    border: 1px solid var(--hvac-border);
    padding: 20px;
    box-shadow: var(--hvac-shadow);
    position: sticky;
    top: 90px;
    box-sizing: border-box !important;
}

/* Right Main Content (Flex 1) */
.hvac-main-content {
    flex: 1 1 0% !important;
    min-width: 0 !important;
    width: calc(100% - 304px) !important;
    order: 2 !important;
    float: none !important;
    margin: 0 !important;
    box-sizing: border-box !important;
}

.hvac-filter-head {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    flex-wrap: nowrap !important;
    padding-bottom: 14px !important;
    border-bottom: 1px solid var(--hvac-border) !important;
    margin-bottom: 16px !important;
    gap: 8px !important;
}

.hvac-filter-title {
    font-size: 15px !important;
    font-weight: 700 !important;
    margin: 0 !important;
    display: flex !important;
    align-items: center !important;
    gap: 6px !important;
    color: var(--hvac-dark) !important;
    white-space: nowrap !important;
    flex-shrink: 0 !important;
}

.hvac-filter-title svg {
    flex-shrink: 0 !important;
}

button#hvac-reset-filters.hvac-filter-reset {
    font-size: 11px !important;
    font-weight: 700 !important;
    color: #E31837 !important;
    background-color: #FEF2F2 !important;
    border: 1px solid #FECDD3 !important;
    cursor: pointer !important;
    outline: none !important;
    box-shadow: 0 1px 2px rgba(227, 24, 55, 0.05) !important;
    padding: 5px 12px !important;
    margin: 0 !important;
    border-radius: 6px !important;
    transition: all 0.2s ease !important;
    white-space: nowrap !important;
    flex-shrink: 0 !important;
    text-transform: uppercase !important;
    letter-spacing: 0.03em !important;
    display: inline-block !important;
    line-height: 1.2 !important;
}

button#hvac-reset-filters.hvac-filter-reset:hover {
    background-color: #E31837 !important;
    color: #FFFFFF !important;
    border-color: #E31837 !important;
    box-shadow: 0 4px 10px rgba(227, 24, 55, 0.25) !important;
}

button#hvac-reset-filters.hvac-filter-reset:active {
    transform: scale(0.96) !important;
}

/* Accordion Filter Group */
.hvac-filter-group {
    margin-bottom: 18px;
    border-bottom: 1px dashed var(--hvac-border);
    padding-bottom: 16px;
}

.hvac-filter-group:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.hvac-group-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--hvac-dark);
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.hvac-group-options {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 220px;
    overflow-y: auto;
    padding-right: 4px;
}

.hvac-group-options::-webkit-scrollbar {
    width: 4px;
}
.hvac-group-options::-webkit-scrollbar-thumb {
    background: var(--hvac-border);
    border-radius: 4px;
}

.hvac-checkbox-label {
    display: flex;
    align-items: center;
    font-size: 13px;
    color: var(--hvac-slate);
    cursor: pointer;
    transition: color 0.15s ease;
}

.hvac-checkbox-label:hover {
    color: var(--hvac-blue);
}

.hvac-checkbox-label input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border: 1px solid var(--hvac-light-slate);
    border-radius: 4px;
    margin-right: 10px;
    outline: none;
    cursor: pointer;
    position: relative;
    transition: all 0.15s ease;
}

.hvac-checkbox-label input[type="checkbox"]:checked {
    background-color: var(--hvac-blue);
    border-color: var(--hvac-blue);
}

.hvac-checkbox-label input[type="checkbox"]:checked::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 2px;
    width: 4px;
    height: 8px;
    border: solid #FFFFFF;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.hvac-item-count {
    margin-left: auto;
    font-size: 11px;
    color: var(--hvac-light-slate);
    background: var(--hvac-bg);
    padding: 2px 6px;
    border-radius: 10px;
}

/* Main Products Header Bar */
.hvac-toolbar {
    background: var(--hvac-card-bg);
    border-radius: var(--hvac-radius);
    border: 1px solid var(--hvac-border);
    padding: 12px 18px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    box-shadow: var(--hvac-shadow);
}

.hvac-result-count {
    font-size: 14px;
    color: var(--hvac-slate);
}

.hvac-result-count strong {
    color: var(--hvac-blue);
    font-weight: 700;
}

.hvac-controls {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* View Switcher: Grid vs Table */
.hvac-view-switch {
    display: flex;
    background: var(--hvac-bg);
    border: 1px solid var(--hvac-border);
    border-radius: 6px;
    padding: 2px;
}

.hvac-view-btn {
    background: none;
    border: none;
    padding: 6px 12px;
    font-size: 13px;
    color: var(--hvac-slate);
    cursor: pointer;
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.15s ease;
}

.hvac-view-btn.active {
    background: #FFFFFF;
    color: var(--hvac-blue);
    font-weight: 600;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

/* Active Filters Chips Bar */
.hvac-active-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    margin-bottom: 16px;
}

.hvac-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--hvac-blue-light);
    color: var(--hvac-blue);
    font-size: 12px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 16px;
    border: 1px solid rgba(0, 75, 135, 0.15);
}

.hvac-chip-remove {
    cursor: pointer;
    font-size: 14px;
    line-height: 1;
    color: var(--hvac-blue);
}

.hvac-chip-remove:hover {
    color: var(--hvac-red);
}

/* Products Grid Container */
.hvac-products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
}

/* Product Card */
.hvac-product-card {
    background: var(--hvac-card-bg);
    border: 1px solid var(--hvac-border);
    border-radius: var(--hvac-radius);
    padding: 16px;
    display: flex;
    flex-direction: column;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    box-shadow: var(--hvac-shadow);
    position: relative;
}

.hvac-product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--hvac-shadow-hover);
    border-color: rgba(0, 75, 135, 0.3);
}

.hvac-card-thumb {
    width: 100%;
    height: 170px;
    border-radius: 6px;
    overflow: hidden;
    background: #F1F5F9;
    margin-bottom: 14px;
    position: relative;
}

.hvac-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.hvac-product-card:hover .hvac-card-thumb img {
    transform: scale(1.05);
}

.hvac-badge-cat {
    position: absolute;
    top: 8px;
    left: 8px;
    background: rgba(15, 23, 42, 0.85);
    color: #FFFFFF;
    font-size: 10px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 4px;
    text-transform: uppercase;
}

.hvac-card-title {
    font-size: 15px;
    font-weight: 700;
    margin: 0 0 8px;
    line-height: 1.3;

}

.hvac-card-title a {
    color: var(--hvac-dark);
    text-decoration: none;
    transition: color 0.15s ease;
}

.hvac-card-title a:hover {
    color: var(--hvac-blue);
}

/* Specs Badges on Card */
.hvac-card-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: 14px;
    margin-top: auto;
}

.hvac-spec-tag {
    font-size: 11px;
    color: var(--hvac-slate);
    background: #F1F5F9;
    padding: 3px 8px;
    border-radius: 4px;
    border: 1px solid var(--hvac-border);
}

.hvac-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 12px;
    border-top: 1px solid var(--hvac-border);
}

.hvac-btn-view {
    font-size: 12px;
    font-weight: 600;
    color: #FFFFFF;
    background: var(--hvac-blue);
    padding: 6px 14px;
    border-radius: 6px;
    text-decoration: none;
    transition: background 0.15s ease;
    width: 100%;
    text-align: center;
}

.hvac-btn-view:hover {
    background: var(--hvac-blue-hover);
    color: #FFFFFF;
}

/* B2B Table View */
.hvac-products-table-wrapper {
    background: var(--hvac-card-bg);
    border-radius: var(--hvac-radius);
    border: 1px solid var(--hvac-border);
    overflow-x: auto;
    box-shadow: var(--hvac-shadow);
}

.hvac-products-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    text-align: left;
}

.hvac-products-table th {
    background: #F8FAFC;
    color: var(--hvac-dark);
    font-weight: 700;
    padding: 12px 16px;
    border-bottom: 2px solid var(--hvac-border);
    white-space: nowrap;
}

.hvac-products-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--hvac-border);
    vertical-align: middle;
}

.hvac-products-table tr:hover {
    background: #F0F6FA;
}

.hvac-table-img {
    width: 48px;
    height: 48px;
    border-radius: 4px;
    object-fit: cover;
}

/* Skeleton Loading State */
.hvac-skeleton {
    opacity: 0.6;
    pointer-events: none;
    filter: blur(1px);
    transition: all 0.2s ease;
}

.hvac-empty-state {
    text-align: center;
    padding: 60px 20px;
    background: var(--hvac-card-bg);
    border-radius: var(--hvac-radius);
    border: 1px solid var(--hvac-border);
    grid-column: 1 / -1;
}

.hvac-empty-state h3 {
    font-size: 18px;
    color: var(--hvac-dark);
    margin: 12px 0 6px;
}

.hvac-empty-state p {
    color: var(--hvac-slate);
    font-size: 14px;
    margin: 0;
}

/* Mobile Responsive Drawer */
.hvac-mobile-toggle {
    display: none !important;
    width: 100% !important;
    padding: 12px 18px !important;
    background: var(--hvac-blue) !important;
    color: #FFFFFF !important;
    border: none !important;
    border-radius: 8px !important;
    font-weight: 600 !important;
    font-size: 14px !important;
    cursor: pointer !important;
    margin-bottom: 20px !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 8px !important;
    box-shadow: 0 4px 12px rgba(0, 75, 135, 0.2) !important;
}

.hvac-drawer-close-btn {
    display: none;
    background: none !important;
    border: none !important;
    font-size: 26px !important;
    font-weight: 700 !important;
    color: var(--hvac-slate) !important;
    cursor: pointer !important;
    padding: 0 4px !important;
    line-height: 1 !important;
}

.hvac-drawer-close-btn:hover {
    color: var(--hvac-red) !important;
}

/* Responsive Breakpoints for Tablet & Mobile */

/* 1. Large Screen Adjustments (1200px+) */
@media (min-width: 1200px) {
    .hvac-products-grid {
        grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)) !important;
        gap: 20px !important;
    }
}

/* 2. Tablet Layout (768px - 991px) */
@media (max-width: 991px) {
    .hvac-archive-wrapper {
        padding: 16px 0 40px !important;
    }
    
    .hvac-archive-header {
        padding: 24px 20px !important;
        border-radius: 10px !important;
        margin-bottom: 16px !important;
    }

    .hvac-archive-header h1 {
        font-size: 22px !important;
    }

    .hvac-archive-header p {
        font-size: 13px !important;
        margin-bottom: 14px !important;
    }

    .hvac-archive-layout {
        flex-direction: column !important;
        gap: 0 !important;
    }
    
    .hvac-main-content {
        width: 100% !important;
    }
    
    .hvac-mobile-toggle {
        display: flex !important;
    }

    .hvac-drawer-close-btn {
        display: block !important;
    }
    
    .hvac-filter-sidebar {
        position: fixed !important;
        top: 0 !important;
        left: -340px !important;
        width: 310px !important;
        max-width: 85vw !important;
        height: 100vh !important;
        z-index: 999999 !important;
        overflow-y: auto !important;
        transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
        border-radius: 0 !important;
        background: #FFFFFF !important;
        box-shadow: 5px 0 25px rgba(0, 0, 0, 0.2) !important;
    }
    
    .hvac-filter-sidebar.open {
        left: 0 !important;
    }
    
    .hvac-drawer-overlay {
        position: fixed !important;
        inset: 0 !important;
        background: rgba(15, 23, 42, 0.6) !important;
        z-index: 999998 !important;
        display: none;
        backdrop-filter: blur(2px) !important;
    }
    
    .hvac-drawer-overlay.active {
        display: block !important;
    }

    .hvac-products-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 16px !important;
    }
}

/* 3. Mobile Layout (576px - 767px) */
@media (max-width: 767px) {
    .hvac-archive-container {
        padding: 0 12px !important;
    }

    .hvac-archive-header {
        padding: 18px 16px !important;
        margin-bottom: 14px !important;
    }

    .hvac-archive-header h1 {
        font-size: 20px !important;
    }

    .hvac-search-box {
        margin-top: 14px !important;
        padding: 2px 8px 2px 16px !important;
    }

    .hvac-search-box input#hvac-live-search {
        height: 40px !important;
        line-height: 40px !important;
        font-size: 13px !important;
    }

    .hvac-toolbar {
        padding: 10px 14px !important;
        flex-direction: row !important;
        justify-content: space-between !important;
        font-size: 12px !important;
    }

    .hvac-result-count {
        font-size: 12px !important;
    }

    .hvac-view-btn {
        padding: 4px 8px !important;
        font-size: 11px !important;
    }

    .hvac-products-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 12px !important;
    }

    .hvac-product-card {
        padding: 12px !important;
    }

    .hvac-card-thumb {
        height: 130px !important;
        margin-bottom: 10px !important;
    }

    .hvac-card-title {
        font-size: 13px !important;
        line-height: 1.3 !important;
        margin-bottom: 6px !important;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        height: 34px;
    }

    .hvac-spec-tag {
        font-size: 10px !important;
        padding: 2px 5px !important;
    }

    .hvac-btn-view {
        font-size: 11px !important;
        padding: 6px 8px !important;
    }
}

/* 4. Small Mobile Screen (< 480px) */
@media (max-width: 480px) {
    .hvac-products-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 10px !important;
    }

    .hvac-card-thumb {
        height: 115px !important;
    }

    .hvac-card-title {
        font-size: 12px !important;
        height: 32px;
    }

    .hvac-toolbar {
        flex-wrap: wrap !important;
        gap: 8px !important;
    }

    .hvac-result-count {
        width: 100% !important;
    }
}

@media (max-width: 360px) {
    .hvac-products-grid {
        grid-template-columns: 1fr !important;
    }
}