@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
    --bg-main: #f8fafc;
    --bg-surface: #ffffff;
    --bg-surface-hover: #f1f5f9;
    --bg-input: #ffffff;
    --border-color: rgba(15, 23, 42, 0.08);
    --border-color-focus: rgba(0, 112, 243, 0.4);
    
    --primary: #0070f3;
    --primary-gradient: linear-gradient(135deg, #0070f3 0%, #00a3ff 100%);
    --whatsapp-green: #25d366;
    --whatsapp-gradient: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
    --danger: #ef4444;
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.02);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-full: 9999px;
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.5;
    overflow-x: hidden;
}

/* Header & Navigation */
header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: var(--border-color) 1px solid;
    padding: 1.25rem 2rem;
    transition: var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
}

.logo-link {
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-text {
    font-size: 1.65rem;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
}

.logo-tagline {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.logo-group {
    display: flex;
    flex-direction: column;
}

.search-bar-container {
    flex: 1;
    max-width: 600px;
    position: relative;
}

.search-input {
    width: 100%;
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    padding: 0.75rem 1rem 0.75rem 2.75rem;
    border-radius: var(--radius-full);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition-normal);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 112, 243, 0.15);
    background-color: var(--bg-surface);
}

.search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    pointer-events: none;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Button Styles */
.btn-cart {
    position: relative;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.btn-cart:hover {
    background: var(--bg-surface-hover);
    border-color: var(--text-muted);
    transform: translateY(-2px);
}

.cart-badge {
    background: var(--primary-gradient);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    min-width: 1.25rem;
    text-align: center;
}

.btn-admin {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.btn-admin:hover {
    color: var(--text-primary);
    background-color: rgba(15, 23, 42, 0.05);
}

/* Hero Section */
.hero {
    max-width: 1400px;
    margin: 2rem auto;
    padding: 3.5rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    background: radial-gradient(circle at top right, rgba(0, 163, 255, 0.04), transparent 60%),
                radial-gradient(circle at bottom left, rgba(0, 112, 243, 0.05), transparent 60%),
                var(--bg-surface);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.hero h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
    letter-spacing: -0.5px;
    color: var(--text-primary);
}

.hero p {
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    font-size: 1.1rem;
}

/* Category Filters */
.categories-container {
    max-width: 1400px;
    margin: 0 auto 2rem auto;
    padding: 0 2rem;
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    align-items: center;
}

.category-tab {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.6rem 1.25rem;
    border-radius: var(--radius-full);
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.category-tab:hover {
    color: var(--text-primary);
    background: var(--bg-surface-hover);
}

.category-tab.active {
    background: var(--primary-gradient);
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 12px rgba(0, 112, 243, 0.2);
}

/* Main Shop Layout */
.shop-container {
    max-width: 1400px;
    margin: 0 auto 4rem auto;
    padding: 0 2rem;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}

/* Product Card */
.product-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.product-card:hover {
    transform: translateY(-5px);
    border-color: rgba(15, 23, 42, 0.15);
    box-shadow: var(--shadow-md);
}

.product-image-wrapper {
    position: relative;
    width: 100%;
    padding-top: 75%; /* 4:3 Aspect Ratio */
    background-color: #fafbfc;
    border-bottom: 1px solid var(--border-color);
    overflow: hidden;
}

.product-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 1rem;
    transition: var(--transition-normal);
}

.product-card:hover .product-image {
    transform: scale(1.05);
}

.product-placeholder-svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}

.product-category-badge {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-sm);
}

.product-info {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    line-height: 1.3;
}

.product-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
    gap: 1rem;
}

.product-price {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
}

.btn-add-cart {
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.6rem 1rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    transition: var(--transition-fast);
}

.btn-add-cart:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

/* Slide-out Cart Sidebar */
.cart-sidebar {
    position: fixed;
    top: 0;
    right: -450px;
    width: 100%;
    max-width: 420px;
    height: 100%;
    background: var(--bg-surface);
    border-left: 1px solid var(--border-color);
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    transition: var(--transition-normal);
}

.cart-sidebar.open {
    right: 0;
}

.cart-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-normal);
}

.cart-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

.cart-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cart-header h2 {
    font-size: 1.3rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-close-cart {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.5rem;
    line-height: 1;
    padding: 0.25rem;
    border-radius: var(--radius-full);
    transition: var(--transition-fast);
}

.btn-close-cart:hover {
    color: var(--text-primary);
    background: rgba(15, 23, 42, 0.05);
}

.cart-body {
    flex-grow: 1;
    overflow-y: auto;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.cart-empty-message {
    text-align: center;
    color: var(--text-secondary);
    margin: auto 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.cart-item {
    display: flex;
    gap: 1rem;
    align-items: center;
    background: #fafbfc;
    border: 1px solid var(--border-color);
    padding: 0.75rem;
    border-radius: var(--radius-md);
}

.cart-item-image {
    width: 60px;
    height: 60px;
    object-fit: contain;
    background: var(--bg-surface);
    border-radius: var(--radius-sm);
    padding: 4px;
}

.cart-item-details {
    flex-grow: 1;
}

.cart-item-title {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.cart-item-price {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-secondary);
}

.cart-item-controls {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.cart-qty-btn {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: bold;
    transition: var(--transition-fast);
}

.cart-qty-btn:hover {
    background: var(--bg-surface-hover);
}

.cart-qty-num {
    font-size: 0.9rem;
    font-weight: 600;
    min-width: 16px;
    text-align: center;
}

.btn-remove-item {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.25rem;
    margin-left: auto;
    transition: var(--transition-fast);
}

.btn-remove-item:hover {
    color: var(--danger);
}

/* Cart Footer & Form */
.cart-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
    background: #f8fafc;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.cart-summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cart-total-label {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.cart-total-amount {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
}

.checkout-form {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.form-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-input {
    width: 100%;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    padding: 0.6rem 0.85rem;
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    transition: var(--transition-normal);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(0, 112, 243, 0.1);
}

.btn-whatsapp-send {
    background: var(--whatsapp-gradient);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    padding: 0.85rem;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.2);
    transition: var(--transition-normal);
}

.btn-whatsapp-send:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp-send:active {
    transform: translateY(0);
}

/* Footer Section */
footer.main-footer {
    border-top: 1px solid var(--border-color);
    padding: 2.5rem 2rem;
    text-align: center;
    background: var(--bg-surface);
    box-shadow: 0 -1px 3px rgba(0, 0, 0, 0.02);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.footer-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.footer-admin-link {
    color: var(--text-muted);
    font-size: 0.85rem;
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-admin-link:hover {
    color: var(--text-primary);
}

/* ==========================================================================
   Admin styles
   ========================================================================== */
.admin-layout {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.admin-header {
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    box-shadow: var(--shadow-sm);
}

.admin-container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1.5rem;
    width: 100%;
    flex-grow: 1;
}

.admin-title-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.admin-title-group h1 {
    font-size: 2rem;
    font-weight: 800;
}

.admin-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
}

/* Admin Grid Split */
.admin-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 992px) {
    .admin-grid {
        grid-template-columns: 2fr 1fr;
    }
}

.admin-actions-menu {
    display: flex;
    gap: 1rem;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    border: none;
    padding: 0.65rem 1.25rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-normal);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 112, 243, 0.15);
}

.btn-secondary {
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.65rem 1.25rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-fast);
}

.btn-secondary:hover {
    background: var(--bg-surface-hover);
}

/* Tables for Catalog Management */
.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    background-color: var(--bg-surface);
}

.admin-table th, .admin-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.admin-table th {
    background-color: #fafbfc;
    font-weight: 600;
    color: var(--text-secondary);
}

.admin-table tr:hover td {
    background-color: #fafbfc;
}

.thumb-image {
    width: 50px;
    height: 50px;
    object-fit: contain;
    background-color: var(--bg-main);
    border-radius: var(--radius-sm);
    padding: 4px;
}

.admin-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    background-color: rgba(15, 23, 42, 0.05);
    color: var(--text-secondary);
}

.action-buttons {
    display: flex;
    gap: 0.5rem;
}

.btn-edit {
    color: var(--primary);
    background: transparent;
    border: none;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.85rem;
    padding: 0.4rem 0.6rem;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.btn-edit:hover {
    background: rgba(0, 112, 243, 0.05);
}

.btn-delete {
    color: var(--danger);
    background: transparent;
    border: none;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.85rem;
    padding: 0.4rem 0.6rem;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.btn-delete:hover {
    background: rgba(239, 68, 68, 0.05);
}

/* Login Page Styles */
.login-body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 1.5rem;
}

.login-card {
    width: 100%;
    max-width: 400px;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    box-shadow: var(--shadow-lg);
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header h1 {
    font-size: 1.75rem;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.login-header p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.alert-danger {
    background-color: rgba(239, 68, 68, 0.05);
    border: 1px solid rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.05);
    border: 1px solid rgba(16, 185, 129, 0.1);
    color: #10b981;
}

/* Modal styling for adding/editing products */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    z-index: 1100;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-normal);
    padding: 1rem;
}

.modal.open {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 550px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    transform: translateY(-20px);
    transition: var(--transition-normal);
}

.modal.open .modal-content {
    transform: translateY(0);
}

.modal-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 1.2rem;
    font-weight: 700;
}

.modal-body {
    padding: 1.5rem;
    max-height: 70vh;
    overflow-y: auto;
}

.modal-footer {
    padding: 1.25rem 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

/* Responsive fixes */
@media (max-width: 768px) {
    header {
        padding: 1rem;
    }
    .nav-container {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }
    .search-bar-container {
        max-width: 100%;
        order: 3;
    }
    .header-actions {
        justify-content: space-between;
    }
    .hero {
        margin: 1rem;
        padding: 2.5rem 1rem;
    }
    .hero h1 {
        font-size: 1.85rem;
    }
    .hero p {
        font-size: 0.95rem;
    }
    .categories-container {
        padding: 0 1rem;
        margin-bottom: 1.5rem;
    }
    .shop-container {
        padding: 0 1rem;
    }
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        gap: 1.25rem;
    }
    .admin-title-bar {
        flex-direction: column;
        align-items: flex-start;
    }
    .admin-actions-menu {
        width: 100%;
        margin-top: 1rem;
    }
    .admin-actions-menu .btn-primary {
        flex-grow: 1;
        justify-content: center;
    }
}