/* ============================================================
   CATALOGUE.CSS — Public Product Catalogue
   ============================================================ */
:root {
    --color-primary: #10b981;
        --color-primary-dark: #059669;
    --color-primary-light: #d1fae5;
    --color-success: #10b981;
        --color-warning: #f59e0b;
        --color-danger: #ef4444;
        --color-white: #ffffff;
        --color-gray-50: #f9fafb;
        --color-gray-100: #f3f4f6;
        --color-gray-200: #e5e7eb;
        --color-gray-300: #d1d5db;
        --color-gray-400: #9ca3af;
        --color-gray-500: #6b7280;
        --color-gray-600: #4b5563;
        --color-gray-700: #374151;
        --color-gray-800: #1f2937;
        --color-gray-900: #111827;
        --spacing-xs: 0.25rem;
        --spacing-sm: 0.5rem;
        --spacing-md: 1rem;
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
        --radius-sm: 0.375rem;
        --radius-md: 0.5rem;
        --radius-lg: 0.75rem;
        --radius-xl: 1rem;
        --shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);
        --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);
        --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);
        --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);
}

*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #f0fdf4 0%, #ecfdf5 50%, #f0f9ff 100%);
    color: var(--color-gray-800);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ===== HEADER ===== */
.catalogue-header {
    background: rgba(255, 255, 255, 0.92);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        box-shadow: 0 1px 0 rgba(0, 0, 0, .08), var(--shadow-sm);
        padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
}

.logo-section h1 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-gray-900);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.subtitle {
    font-size: 0.78rem;
        color: var(--color-primary);
    font-weight: 600;
        margin-top: 2px;
}

.header-actions {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    flex-shrink: 0;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--radius-lg);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.btn-primary {
    background: var(--color-primary);
    color: white;
    box-shadow: 0 2px 8px rgba(16, 185, 129, .3);
}
.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, .4);
}

.btn-secondary {
    background: var(--color-gray-100);
    color: var(--color-gray-700);
    border: 1px solid var(--color-gray-200);
}
.btn-secondary:hover {
    background: var(--color-gray-200);
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    background: var(--color-gray-100);
    border: 1px solid var(--color-gray-200);
    color: var(--color-gray-600);
        border-radius: var(--radius-lg);
    display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        transition: all 0.2s;
}
.btn-icon:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, .3);
}

.btn-share {
    background: #dcfce7;
    border-color: #bbf7d0;
    color: var(--color-primary-dark);
}
.btn-share:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

/* ===== SEARCH SECTION ===== */
.search-section {
    padding: var(--spacing-xl) 0 var(--spacing-md);
    position: sticky;
        top: 65px;
        z-index: 90;
        background: linear-gradient(to bottom, #f0fdf4 80%, transparent);
        backdrop-filter: blur(8px);
}

.search-controls {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    align-items: flex-end;
}

.search-box {
    position: relative;
    flex: 1;
    min-width: 220px;
}

.search-box svg {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-gray-400);
    pointer-events: none;
}

.search-box input {
    width: 100%;
    padding: 0.75rem var(--spacing-md) 0.75rem 3rem;
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    font-size: 0.95rem;
    font-family: inherit;
    transition: all 0.2s;
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
}
.search-box input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, .12);
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.filter-group label {
    font-size: 0.72rem;
        font-weight: 700;
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.filter-group select {
    padding: 0.75rem var(--spacing-md);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    font-size: 0.9rem;
    font-family: inherit;
    background: var(--color-white);
    cursor: pointer;
    min-width: 150px;
    box-shadow: var(--shadow-sm);
    color: var(--color-gray-700);
    transition: border-color 0.2s;
}
.filter-group select:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* ===== PRODUCTS SECTION ===== */
.products-section {
    flex: 1;
    padding: 0 0 var(--spacing-xl);
}

.products-header {
    margin-bottom: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
        gap: var(--spacing-xs);
}

.products-header h2 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-gray-900);
}

.product-count {
    font-size: 0.875rem;
        color: var(--color-gray-500);
}
.product-count span {
    font-weight: 700;
    color: var(--color-primary);
    font-size: 1.05rem;
}

/* ===== PRODUCTS GRID ===== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: var(--spacing-lg);
}

.products-grid.list-view {
    grid-template-columns: 1fr;
}

/* ===== PRODUCT CARD ===== */
.product-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    cursor: pointer;
    border: 1px solid rgba(0, 0, 0, .05);
        position: relative;
    display: flex;
        flex-direction: column;
}
.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    }
.product-card:active {
    transform: translateY(-2px);
}

.product-card:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ===== PRODUCT IMAGE ===== */
.product-image {
    width: 100%;
    /* Aspect ratio gives consistent square-ish card images */
        aspect-ratio: 4 / 3;
        background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    overflow: hidden;
    position: relative;
    flex-shrink: 0;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    inset: 0;
        transition: transform 0.3s ease;
    }
.product-card:hover .product-image img {
    transform: scale(1.05);
}

.product-emoji {
    position: relative;
    z-index: 1;
    display: flex;
        align-items: center;
        justify-content: center;
}

/* ===== PRODUCT INFO ===== */
.product-info {
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-md);
        display: flex;
        flex-direction: column;
        flex: 1;
}

.product-name {
    font-size: 0.95rem;
        font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-xs);
    white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    line-height: 1.4;
}

.product-category {
    display: inline-block;
    padding: 2px var(--spacing-sm);
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    border-radius: 999px;
    font-size: 0.7rem;
        font-weight: 700;
    text-transform: capitalize;
    margin-bottom: var(--spacing-sm);
    letter-spacing: 0.02em;
}

.product-price {
    font-size: 1.05rem;
        font-weight: 700;
        color: var(--color-primary-dark);
        margin-bottom: var(--spacing-sm);
    margin-top: auto;
}

.product-stock {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-gray-100);
    margin-top: var(--spacing-xs);
}

.stock-info {
    font-size: 0.8rem;
        color: var(--color-gray-500);
}

.stock-badge {
    padding: 3px var(--spacing-sm);
    border-radius: 999px;
    font-size: 0.68rem;
        font-weight: 700;
    letter-spacing: 0.03em;
        white-space: nowrap;
}
.stock-badge.in-stock {
    background: #dcfce7;
    color: #166534;
}

.stock-badge.low-stock {
    background: #fef9c3;
    color: #854d0e;
}

.stock-badge.out-of-stock {
    background: #fee2e2;
    color: #991b1b;
}

/* ===== LIST VIEW ===== */
.list-view .product-card {
    flex-direction: row;
    align-items: stretch;
}
.list-view .product-image {
    width: 130px;
        aspect-ratio: unset;
        min-height: 110px;
        flex-shrink: 0;
        font-size: 3rem;
    border-radius: 0;
}
.list-view .product-info {
    padding: var(--spacing-md);
    justify-content: center;
}
.list-view .product-name {
    white-space: normal;
}

/* ===== LOADING ===== */
.loading-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--color-gray-500);
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-gray-200);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--color-gray-500);
    grid-column: 1 / -1;
}
.empty-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.empty-hint {
    font-size: 0.85rem;
    color: var(--color-gray-400);
    margin-top: 0.5rem;
}

/* ===== MODAL BASE ===== */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, .5);
    backdrop-filter: blur(4px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    animation: fadeInBg 0.2s ease;
}
@keyframes fadeInBg {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    max-width: 480px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: slideUp 0.25s ease;
    }
@keyframes slideUp {
    from {
            transform: translateY(20px);
            opacity: 0;
        }
    
        to {
            transform: translateY(0);
            opacity: 1;
        }
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-gray-100);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
        background: white;
        z-index: 1;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}
.modal-header h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-gray-900);
}

.modal-close {
    background: var(--color-gray-100);
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    color: var(--color-gray-500);
    width: 32px;
        height: 32px;
        display: flex;
        align-items: center;
        justify-content: center;
    border-radius: 50%;
    transition: all 0.15s;
        line-height: 1;
}
.modal-close:hover {
    background: var(--color-gray-200);
    color: var(--color-gray-900);
}

.modal-body {
    padding: var(--spacing-lg);
}

/* ===== PRODUCT DETAIL MODAL ===== */
.modal-product-image {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: linear-gradient(135deg, #ecfdf5, #d1fae5);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
    position: relative;
}
.modal-product-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    position: absolute;
    inset: 0;
    background: var(--color-gray-50);
}
.modal-emoji {
    transition: opacity 0.2s;
}

.product-detail {
    display: flex;
    flex-direction: column;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-gray-100);
}
.detail-row:last-child {
    border-bottom: none;
}

.detail-label {
    font-weight: 600;
    color: var(--color-gray-500);
    font-size: 0.8rem;
        text-transform: uppercase;
    letter-spacing: 0.05em;
}
.detail-value {
    color: var(--color-gray-800);
    font-weight: 500;
}

.price-value {
    color: var(--color-primary-dark);
    font-size: 1.1rem;
    font-weight: 700;
}

.barcode-text {
    font-family: 'Courier New', monospace;
    letter-spacing: 0.1em;
    font-size: 0.85rem;
        background: var(--color-gray-100);
        padding: 2px 8px;
        border-radius: var(--radius-sm);
    }
    
    .modal-share-row {
        margin-top: var(--spacing-lg);
        padding-top: var(--spacing-md);
        border-top: 1px solid var(--color-gray-100);
    }
    
    .btn-share-wa {
        width: 100%;
        padding: 0.75rem;
        background: #25d366;
        color: white;
        border: none;
        border-radius: var(--radius-lg);
        font-size: 0.95rem;
        font-weight: 600;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 0.5rem;
        font-family: inherit;
        transition: all 0.2s;
    box-shadow: 0 2px 8px rgba(37, 211, 102, .3);
    }
.btn-share-wa:hover {
    background: #1ea952;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 211, 102, .4);
    }
    
    /* ===== QR CODE MODAL ===== */
.modal-qr {
    max-width: 380px;
}

.qr-body {
    text-align: center;
}

.qr-desc {
    color: var(--color-gray-600);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-lg);
}

.qr-wrapper {
    display: inline-block;
    padding: var(--spacing-md);
    background: white;
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-md);
}
.qr-wrapper canvas {
    display: block;
    border-radius: var(--radius-md);
}

.qr-url {
    font-size: 0.75rem;
    color: var(--color-gray-400);
    word-break: break-all;
    margin-bottom: var(--spacing-lg);
    padding: 0 var(--spacing-sm);
}
.qr-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== SHARE MODAL ===== */
.modal-share {
    max-width: 420px;
}

.share-desc {
    color: var(--color-gray-600);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-lg);
}

.share-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.share-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: var(--spacing-md);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    background: white;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-gray-700);
    transition: all 0.2s;
}
.share-btn:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.share-wa {
    color: #25d366;
}

.share-wa:hover {
    border-color: #25d366;
    background: #f0fdf4;
}

.copy-link-box {
    display: flex;
    gap: var(--spacing-sm);
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-sm);
}
.copy-link-box input {
    flex: 1;
    background: none;
    border: none;
    outline: none;
    font-size: 0.8rem;
    color: var(--color-gray-600);
    font-family: monospace;
    min-width: 0;
}
.copy-btn {
    padding: 0.4rem 0.875rem;
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    transition: background 0.2s;
    white-space: nowrap;
}
.copy-btn:hover {
    background: var(--color-primary-dark);
}

/* ===== FOOTER ===== */
.catalogue-footer {
    background: var(--color-white);
    border-top: 1px solid var(--color-gray-100);
    padding: var(--spacing-xl) 0;
    margin-top: var(--spacing-xl);
    text-align: center;
}
.catalogue-footer p {
    color: var(--color-gray-600);
    font-size: 0.875rem;
}

.footer-note {
    margin-top: var(--spacing-xs);
    font-size: 0.8rem;
    color: var(--color-gray-400);
    font-style: italic;
}

.footer-share {
    margin-top: var(--spacing-md);
}

.btn-text-share {
    background: none;
    border: none;
    color: var(--color-primary);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    transition: all 0.2s;
}
.btn-text-share:hover {
    background: var(--color-primary-light);
}

/* ===== TOAST ===== */
.catalogue-toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--color-gray-900);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 999px;
    font-size: 0.875rem;
    font-weight: 500;
    z-index: 9999;
    transition: transform 0.3s ease, opacity 0.3s ease;
    opacity: 0;
    white-space: nowrap;
    max-width: 90vw;
    text-align: center;
    pointer-events: none;
}
.catalogue-toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.catalogue-toast.success {
    background: #166534;
}

.catalogue-toast.warning {
    background: #854d0e;
}

.catalogue-toast.error {
    background: #991b1b;
}

/* ===== PRINT ===== */
@media print {
    .catalogue-header .header-actions,
    .search-section,
    .catalogue-footer,
    .modal,
    .catalogue-toast {
            display: none !important;
        }

        .catalogue-header {
            position: static;
            box-shadow: none;
        }
    
        .search-section {
            position: static;
        }

        .products-grid {
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }
    
        .product-card {
            break-inside: avoid;
            box-shadow: none;
            border: 1px solid var(--color-gray-300);
            transform: none !important;
        }
}

/* ===== RESPONSIVE — Tablet ===== */
@media (max-width: 768px) {
    .container {
            padding: 0 var(--spacing-md);
        }
    
        .search-section {
            top: 60px;
            padding: var(--spacing-md) 0 var(--spacing-sm);
        }

    .search-controls {
        display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-sm);
    }
        .search-box {
            grid-column: 1 / -1;
            min-width: unset;
        }
    
        .filter-group select {
            min-width: unset;
            width: 100%;
        }
        .products-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
        }

    .products-header {
        flex-direction: row;
            align-items: center;
    }

        .list-view .product-card {
            flex-direction: column;
        }
    
        .list-view .product-image {
            width: 100%;
            aspect-ratio: 4 / 3;
        }

        .share-options {
            grid-template-columns: repeat(2, 1fr);
        }
}

/* ===== RESPONSIVE — Mobile ===== */
@media (max-width: 480px) {
    .logo-section h1 {
            font-size: 1.25rem;
        }
    
        /* Keep 2-column grid on small phones, just smaller gap */
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-sm);
        }
        /* On very small phones (≤360px) go single column */
        @media (max-width: 360px) {
            .products-grid {
                grid-template-columns: 1fr;
            }
        }
        .product-info {
            padding: var(--spacing-sm);
        }
    
        .product-name {
            font-size: 0.85rem;
        }
    
        .product-price {
            font-size: 0.95rem;
        }
    
        .stock-info {
            font-size: 0.75rem;
        }
    
        /* Hide less useful header buttons on very small screens */
        .header-actions .btn-icon:nth-last-child(-n+1) {
            /* keep at least share + qr */
        }

        .modal-content {
            max-height: 95vh;
        }
    
        .modal-product-image {
            aspect-ratio: 4 / 3;
            font-size: 4rem;
        }
}