/* ==========================================================================
   MAA Elektrik - Reusable Category Engine Stylesheet (category-engine.css)
   ========================================================================== */

:root {
    --ce-primary: #003366;
    --ce-primary-hover: #002244;
    --ce-accent: #0066cc;
    --ce-light-bg: #f8f9fa;
    --ce-card-bg: #ffffff;
    --ce-border: #e9ecef;
    --ce-text-dark: #212529;
    --ce-text-muted: #6c757d;
    --ce-success: #198754;
    --ce-warning: #ffc107;
    --ce-danger: #dc3545;
    --ce-shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --ce-shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --ce-shadow-lg: 0 10px 30px rgba(0,0,0,0.12);
    --ce-radius: 8px;
    --ce-transition: all 0.2s ease-in-out;
}

/* --- Layout Grid (Desktop >= 992px) --- */
.category-content {
    display: grid !important;
    grid-template-columns: 300px minmax(0, 1fr) !important;
    gap: 24px !important;
    align-items: start !important;
    margin: 30px auto 60px !important;
    width: 100% !important;
    box-sizing: border-box !important;
}

.category-sidebar,
.sidebar-filters {
    width: 100% !important;
    min-width: 0 !important;
    overflow-y: auto !important;
    overflow-x: hidden !important;
    box-sizing: border-box !important;
}

.category-results,
.product-area {
    min-width: 0 !important;
    width: 100% !important;
    box-sizing: border-box !important;
}

.product-list-container.grid-view {
    display: grid !important;
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    gap: 20px !important;
    width: 100% !important;
    box-sizing: border-box !important;
}

@media (max-width: 1200px) and (min-width: 992px) {
    .product-list-container.grid-view {
        grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    }
}

.drawer-header {
    display: none; /* Hidden on Desktop */
}

/* Header Action Badges */
.header-badge {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.header-badge .badge-count {
    position: absolute;
    top: -6px;
    right: -8px;
    background: var(--ce-accent);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid #fff;
}

/* Autocomplete Container & Suggestions */
.search-input-wrapper {
    position: relative;
    flex-grow: 1;
}
.autocomplete-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background: #ffffff;
    border: 1px solid var(--ce-border);
    border-radius: var(--ce-radius);
    box-shadow: var(--ce-shadow-lg);
    z-index: 1100;
    max-height: 320px;
    overflow-y: auto;
    display: none;
}
.autocomplete-dropdown.show {
    display: block;
}
.autocomplete-item {
    padding: 10px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    border-bottom: 1px solid #f1f3f5;
    transition: var(--ce-transition);
}
.autocomplete-item:last-child {
    border-bottom: none;
}
.autocomplete-item:hover,
.autocomplete-item.selected {
    background-color: #f0f4f8;
}
.autocomplete-item-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--ce-text-dark);
}
.autocomplete-item-meta {
    font-size: 0.78rem;
    color: var(--ce-text-muted);
}
.autocomplete-item-code {
    background: #eef2f7;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: monospace;
    font-size: 0.75rem;
}

/* Mobile Filter Trigger Button Wrapper */
.mobile-trigger-wrapper {
    display: none;
}
.mobile-filter-trigger {
    display: none;
    align-items: center;
    gap: 8px;
    background: var(--ce-primary);
    color: #ffffff;
    border: none;
    padding: 10px 18px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--ce-transition);
}
.mobile-filter-trigger:hover {
    background: var(--ce-primary-hover);
}
.mobile-filter-trigger .filter-badge {
    background: #ffffff;
    color: var(--ce-primary);
    font-size: 0.75rem;
    padding: 2px 7px;
    border-radius: 12px;
    font-weight: 700;
}

/* Active Filter Tags Bar */
.active-filters-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    background: #ffffff;
    padding: 12px 18px;
    border-radius: var(--ce-radius);
    border: 1px solid var(--ce-border);
}
.active-filters-title {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--ce-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-right: 5px;
}
.active-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #eef4fb;
    color: var(--ce-primary);
    border: 1px solid #cce0f5;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.82rem;
    font-weight: 600;
}
.active-tag-remove {
    background: none;
    border: none;
    color: var(--ce-primary);
    font-size: 1.1rem;
    line-height: 1;
    cursor: pointer;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    width: 16px;
    height: 16px;
    transition: var(--ce-transition);
}
.active-tag-remove:hover {
    background: var(--ce-primary);
    color: #ffffff;
}
.btn-clear-all {
    background: transparent;
    border: 1px dashed var(--ce-danger);
    color: var(--ce-danger);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    margin-left: auto;
    transition: var(--ce-transition);
}
.btn-clear-all:hover {
    background: var(--ce-danger);
    color: #ffffff;
}

/* Sidebar Collapsible Filter Group Header Button */
.filter-group-toggle,
.filter-title {
    width: 100% !important;
    background: transparent !important;
    border: none !important;
    padding: 8px 0 !important;
    margin-bottom: 6px !important;
    font-family: inherit !important;
    font-size: 0.92rem !important;
    font-weight: 700 !important;
    color: var(--ce-primary) !important;
    cursor: pointer !important;
    user-select: none !important;
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    text-align: left !important;
    transition: var(--ce-transition) !important;
    box-sizing: border-box !important;
}
.filter-group-toggle:hover,
.filter-title:hover {
    color: #001f3f !important;
}
.filter-group-toggle i,
.filter-title i {
    font-size: 0.8rem !important;
    transition: transform 0.2s ease !important;
    pointer-events: none !important;
}
.filter-group-content[hidden],
.filter-options[hidden] {
    display: none !important;
}

/* Facet Checkboxes & Counts (Vertical Stacking Standard) */
.filter-options {
    display: flex !important;
    flex-direction: column !important;
    width: 100% !important;
    gap: 6px !important;
    box-sizing: border-box !important;
}
.filter-label {
    display: flex !important;
    flex-direction: row !important;
    align-items: flex-start !important;
    justify-content: space-between !important;
    width: 100% !important;
    min-width: 0 !important;
    font-size: 0.88rem;
    color: var(--ce-text-dark);
    cursor: pointer;
    padding: 5px 0;
    user-select: none;
    transition: var(--ce-transition);
    box-sizing: border-box !important;
}
.filter-label:hover {
    color: var(--ce-primary);
}
.filter-label-left {
    display: flex !important;
    align-items: flex-start !important;
    gap: 8px !important;
    flex: 1 !important;
    min-width: 0 !important;
}
.filter-label-left input[type="checkbox"] {
    margin-top: 3px !important;
    flex-shrink: 0 !important;
}
.filter-label-left span {
    white-space: normal !important;
    word-break: break-word !important;
    min-width: 0 !important;
    line-height: 1.35 !important;
}
.facet-count {
    font-size: 0.78rem;
    color: var(--ce-text-muted);
    background: var(--ce-light-bg);
    padding: 2px 7px;
    border-radius: 10px;
    font-weight: 600;
    border: 1px solid #e9ecef;
    flex-shrink: 0 !important;
    margin-left: 8px !important;
    align-self: flex-start !important;
}
.filter-label.disabled {
    opacity: 0.45;
    cursor: not-allowed !important;
    pointer-events: none !important;
}
.filter-label.disabled input[type="checkbox"] {
    cursor: not-allowed !important;
    pointer-events: none !important;
}
.filter-label.disabled:hover {
    color: inherit !important;
}

/* Product Card Action Area (Standardized Reusable 2-Column Grid) */
.product-footer {
    margin-top: auto;
    border-top: 1px solid var(--ce-border);
    padding-top: 12px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: 100%;
}
.product-price-wrapper {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    width: 100%;
}
.product-card-actions,
.product-actions {
    display: grid !important;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) !important;
    gap: 8px !important;
    width: 100% !important;
}
.product-card-actions button,
.product-card-actions a,
.product-card-actions .btn,
.product-actions button,
.product-actions .btn,
.product-detail-button,
.add-to-cart-button {
    width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
    white-space: nowrap !important;
    padding: 8px 4px !important;
    font-size: 0.78rem !important;
    font-weight: 700 !important;
    text-align: center !important;
    border-radius: 6px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    cursor: pointer !important;
    text-transform: uppercase !important;
    letter-spacing: 0.3px !important;
    transition: all 0.2s ease-in-out !important;
}
.btn-outline,
.product-detail-button {
    background: #ffffff !important;
    border: 1px solid #003366 !important;
    color: #003366 !important;
}
.btn-outline:hover,
.product-detail-button:hover {
    background: #eef1f5 !important;
}
.btn-primary,
.add-to-cart-button {
    background: #003366 !important;
    border: 1px solid #003366 !important;
    color: #ffffff !important;
}
.btn-primary:hover,
.add-to-cart-button:hover {
    background: #002244 !important;
}

/* Price Range Filter */
.price-range-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.price-inputs {
    display: flex;
    align-items: center;
    gap: 8px;
}
.price-input {
    width: 100%;
    padding: 6px 10px;
    border: 1px solid var(--ce-border);
    border-radius: 4px;
    font-size: 0.85rem;
    outline: none;
}
.price-input:focus {
    border-color: var(--ce-accent);
}
.price-btn-group {
    display: flex;
    gap: 8px;
}
.btn-price-apply {
    background: var(--ce-primary);
    color: #ffffff;
    border: none;
    padding: 6px 14px;
    border-radius: 4px;
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    flex-grow: 1;
    transition: var(--ce-transition);
}
.btn-price-apply:hover {
    background: var(--ce-primary-hover);
}
.btn-price-clear {
    background: transparent;
    border: 1px solid var(--ce-border);
    color: var(--ce-text-muted);
    padding: 6px 10px;
    border-radius: 4px;
    font-size: 0.82rem;
    cursor: pointer;
    transition: var(--ce-transition);
}
.btn-price-clear:hover {
    background: #e9ecef;
    color: var(--ce-text-dark);
}
.price-error-msg {
    color: var(--ce-danger);
    font-size: 0.78rem;
    display: none;
}

/* Product Card Enhancements */
.product-card {
    position: relative;
    display: flex;
    flex-direction: column;
    background: #ffffff;
    border: 1px solid var(--ce-border);
    border-radius: var(--ce-radius);
    padding: 18px;
    transition: var(--ce-transition);
}
.product-card:hover {
    box-shadow: var(--ce-shadow-md);
    border-color: #b0c4de;
    transform: translateY(-2px);
}

/* Shared Product Card Image Area Standard */
.product-card-image,
.product-img-wrapper,
.product-image-container {
    width: 100% !important;
    height: 180px !important;
    min-height: 180px !important;
    max-height: 180px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    background: #f8fafc !important;
    border-radius: 6px !important;
    overflow: hidden !important;
    margin-bottom: 12px !important;
    padding: 10px !important;
    box-sizing: border-box !important;
    position: relative !important;
}

.product-card-image img,
.product-img-wrapper img,
.product-image-container img,
.product-image {
    max-width: 100% !important;
    max-height: 100% !important;
    width: 100% !important;
    height: 100% !important;
    object-fit: contain !important;
    object-position: center !important;
    display: block !important;
    margin: 0 auto !important;
    transition: transform 0.3s ease-in-out !important;
}
.card-badges {
    position: absolute;
    top: 12px;
    left: 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    z-index: 2;
}
.card-badge {
    font-size: 0.7rem;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.card-badge.badge-new { background: #007bff; color: #fff; }
.card-badge.badge-bestseller { background: #ff9900; color: #fff; }
.card-badge.badge-stock { background: #28a745; color: #fff; }
.card-badge.badge-order { background: #6c757d; color: #fff; }

.card-top-actions {
    position: absolute;
    top: 12px;
    right: 12px;
    display: flex;
    gap: 6px;
    z-index: 2;
}
.btn-icon-action {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--ce-border);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ce-text-muted);
    cursor: pointer;
    transition: var(--ce-transition);
    font-size: 0.9rem;
}
.btn-icon-action:hover,
.btn-icon-action.active {
    background: #ffffff;
    color: var(--ce-danger);
    border-color: var(--ce-danger);
    box-shadow: var(--ce-shadow-sm);
}
.btn-icon-action.btn-compare.active {
    color: var(--ce-accent);
    border-color: var(--ce-accent);
}

.product-code-tag {
    font-size: 0.75rem;
    color: var(--ce-text-muted);
    font-family: monospace;
    margin-bottom: 6px;
}
.product-specs-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin: 10px 0 16px;
}
.spec-chip {
    background: #f1f5f9;
    border: 1px solid #e2e8f0;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    color: #475569;
    font-weight: 500;
}

/* Empty State */
.empty-state-container {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    background: #ffffff;
    border: 1px solid var(--ce-border);
    border-radius: var(--ce-radius);
    text-align: center;
}
.empty-state-icon {
    width: 72px;
    height: 72px;
    background: #f1f5f9;
    color: var(--ce-text-muted);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 16px;
}
.empty-state-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--ce-text-dark);
    margin: 0 0 8px 0;
}
.empty-state-desc {
    font-size: 0.9rem;
    color: var(--ce-text-muted);
    margin: 0 0 20px 0;
    max-width: 400px;
}

/* Technical Details Modal */
.ce-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(3px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--ce-transition);
}
.ce-modal-overlay.open {
    opacity: 1;
    visibility: visible;
}
.ce-modal {
    background: #ffffff;
    border-radius: 12px;
    width: 90%;
    max-width: 650px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--ce-shadow-lg);
    display: flex;
    flex-direction: column;
}
.ce-modal-header {
    padding: 18px 24px;
    border-bottom: 1px solid var(--ce-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.ce-modal-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--ce-primary);
    margin: 0;
}
.ce-modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--ce-text-muted);
    cursor: pointer;
    padding: 0;
    line-height: 1;
}
.ce-modal-close:hover {
    color: var(--ce-text-dark);
}
.ce-modal-body {
    padding: 24px;
}
.tech-spec-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}
.tech-spec-table th,
.tech-spec-table td {
    padding: 10px 14px;
    border-bottom: 1px solid #f1f3f5;
    font-size: 0.9rem;
    text-align: left;
}
.tech-spec-table th {
    background: #f8f9fa;
    color: var(--ce-text-muted);
    font-weight: 600;
    width: 40%;
}
.tech-doc-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #eef4fb;
    color: var(--ce-primary);
    border: 1px solid #cce0f5;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 0.88rem;
    font-weight: 600;
    text-decoration: none;
    margin-top: 18px;
    transition: var(--ce-transition);
}
.tech-doc-btn:hover {
    background: var(--ce-primary);
    color: #ffffff;
}
.tech-doc-btn.disabled {
    opacity: 0.5;
    pointer-events: none;
    background: #f1f5f9;
    border-color: #e2e8f0;
    color: #94a3b8;
}

/* Toast Notifications */
.ce-toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.ce-toast {
    background: #323232;
    color: #ffffff;
    padding: 12px 20px;
    border-radius: 6px;
    font-size: 0.9rem;
    box-shadow: var(--ce-shadow-lg);
    display: flex;
    align-items: center;
    gap: 10px;
    animation: toastIn 0.3s ease;
}
@keyframes toastIn {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* Responsive Drawer for Sidebar Filters (< 992px) */
@media (max-width: 991px) {
    .category-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .mobile-trigger-wrapper {
        display: block;
        margin-top: 15px;
    }
    .mobile-filter-trigger {
        display: inline-flex;
    }
    .sidebar-filters {
        position: fixed;
        top: 0;
        left: -320px;
        width: 300px;
        height: 100vh;
        z-index: 2500;
        border-radius: 0;
        box-shadow: var(--ce-shadow-lg);
        overflow-y: auto;
        transition: transform 0.3s ease-in-out;
        transform: translateX(0);
        background: #ffffff;
    }
    .sidebar-filters.drawer-open {
        transform: translateX(320px);
    }
    .drawer-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding-bottom: 15px;
        margin-bottom: 15px;
        border-bottom: 1px solid var(--ce-border);
    }
    .drawer-title {
        font-size: 1.1rem;
        font-weight: 700;
        color: var(--ce-primary);
    }
    .drawer-close-btn {
        background: none;
        border: none;
        font-size: 1.4rem;
        cursor: pointer;
        color: var(--ce-text-muted);
    }
    .drawer-overlay {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 2400;
        display: none;
    }
    .drawer-overlay.show {
        display: block;
    }
    .product-list-container.grid-view {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    }
}