/* Загальні стилі - Мінімалістичний дизайн */
:root {
    --text-color: #1A1A1A;
    --bg-color: #FFFFFF;
    --muted-color: #666666;
    --accent-color: #000000;
    --black: #000000;
    --border-color: rgba(0,0,0,0.08);
    --gap: 2rem;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    font-size: 15px;
    line-height: 1.6;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.main {
    flex-grow: 1;
    padding: 2rem 0;
}

/* Шапка та підвал */
.header {
    background-color: var(--bg-color);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.header-nav {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-color);
    font-size: 0.9rem;
    font-weight: 400;
    transition: opacity 0.2s ease;
}

.nav-link:hover {
    opacity: 0.6;
}

.btn-text {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    font-family: inherit;
    font-size: inherit;
}

.auth-nav, .user-nav {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.logo {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--black);
    text-decoration: none;
    letter-spacing: 0.05em;
}
.back-link {
    color: var(--secondary-color);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.2s ease;
}
.back-link:hover {
    color: var(--text-color);
}
.footer {
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--muted-color);
    font-size: 0.85rem;
    margin-top: var(--spacing-xl);
}

.page-title {
    text-align: left;
    margin-bottom: var(--spacing-xl);
    font-weight: 400;
    font-size: 2rem;
    color: var(--black);
    letter-spacing: -0.02em;
}

/* Фільтри та сортування */
.filters-section {
    margin-bottom: var(--spacing-xl);
}

.search-row {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.search-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0;
    font-family: inherit;
    font-size: 0.95rem;
    background-color: var(--bg-color);
    transition: border-color 0.2s ease;
}

.search-input:focus {
    outline: none;
    border-color: var(--black);
}

.filters-row {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    align-items: flex-end;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.filter-group label {
    font-size: 0.85rem;
    color: var(--muted-color);
    font-weight: 400;
}

.filter-input,
.filter-select {
    padding: 0.6rem 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 0;
    font-family: inherit;
    font-size: 0.9rem;
    background-color: var(--bg-color);
    min-width: 120px;
    transition: border-color 0.2s ease;
}

.filter-input:focus,
.filter-select:focus {
    outline: none;
    border-color: var(--black);
}

/* Контроли та категорії */
.controls-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.controls-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

.categories-tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
}

.category-tab {
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--muted-color);
    cursor: pointer;
    transition: all 0.2s ease;
    margin-bottom: -1px;
}

.category-tab:hover {
    color: var(--text-color);
}

.category-tab.active {
    color: var(--black);
    border-bottom-color: var(--black);
}

.modal-filters,
.modal-sort {
    padding: var(--spacing-md) 0;
}

.old-price {
    text-decoration: line-through;
    color: var(--muted-color);
    font-size: 0.9em;
    margin-right: 0.5rem;
}

/* Сітка товарів */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--spacing-lg);
}

.product-card {
    background-color: transparent;
    text-decoration: none;
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    transition: opacity 0.2s ease;
}

.product-card:hover {
    opacity: 0.7;
}

.product-card__image-wrapper {
    width: 100%;
    overflow: hidden;
    background-color: #f5f5f5;
}

.product-card__image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.product-card:hover .product-card__image {
    transform: scale(1.02);
}

.product-card__info {
    padding: 0;
    flex-grow: 1;
}

.product-card__name {
    font-size: 0.95rem;
    font-weight: 400;
    margin: 0 0 0.3rem 0;
    color: var(--text-color);
    line-height: 1.4;
}

.product-card__price {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--black);
}

.loading-text,
.empty-state {
    text-align: center;
    color: var(--muted-color);
    padding: var(--spacing-xl) 0;
    font-size: 0.95rem;
}
.product-card__badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--accent-color);
    color: #fff;
    padding: 6px 8px;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 2px;
}

/* Lazyload */
.lazyload, .lazyloading { opacity: 0; }
.lazyloaded { opacity: 1; transition: opacity 300ms; }
img[data-sizes="auto"] { /* Забезпечуємо, що lazysizes може визначити розмір */
    display: block;
    width: 100%;
}
/* Сторінка товару */
#product-detail {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    align-items: start;
    background-color: var(--bg-color);
    padding: 2rem;
}
@media (min-width: 768px) {
    #product-detail { grid-template-columns: 1.2fr 1fr; }
}
.product-gallery__main {
    width: 100%;
}

/* Галерея зображень */
.product-gallery {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.main-image-container {
    width: 100%;
    overflow: hidden;
}

#mainImage {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.25s ease;
}

#mainImage:hover { transform: scale(1.01); }

.gallery-thumbnails {
    display: flex;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.gallery-thumbnail {
    width: 80px;
    height: 80px;
    object-fit: cover;
    cursor: pointer;
    transition: all 0.15s ease;
}

.gallery-thumbnail:hover {
    opacity: 0.8;
    transform: scale(1.05);
}

.gallery-thumbnail.active { outline: 2px solid var(--black); }
.product-info__name { 
    margin-top: 0; 
    font-size: 2.6rem;
    font-weight: 700;
    line-height: 1.08;
    text-transform: uppercase;
}
.product-info__price { 
    font-size: 1.8rem; 
    font-weight: 800; 
    color: var(--black);
    margin: 1rem 0 1.5rem 0; 
}
.product-info__description { 
    color: #555; 
    margin-bottom: 2rem;
}

/* Кнопки */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: 1px solid var(--black);
    background-color: var(--black);
    color: #fff;
    border-radius: 0;
    text-decoration: none;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 400;
    font-family: inherit;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.btn:hover {
    background-color: var(--text-color);
    border-color: var(--text-color);
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.btn-outline {
    background: transparent;
    color: var(--black);
    border: 1px solid var(--black);
}

.btn-outline:hover {
    background-color: var(--black);
    color: #fff;
}

.btn.hidden {
    display: none;
}

/* Модальне вікно */
.modal {
    display: none; /* За замовчуванням приховане */
    position: fixed; z-index: 1000; left: 0; top: 0;
    width: 100%; height: 100%; background-color: rgba(0,0,0,0.6);
    align-items: center; justify-content: center; /* Центрування */
}
.modal-content { background-color: #fff; padding: 1.5rem; border-radius: 2px; width: 90%; max-width: 520px; position: relative; }
.close-btn {
    position: absolute; top: 0.8rem; right: 1rem;
    background: none; border: none; font-size: 2rem; cursor: pointer;
    color: #aaa;
    line-height: 1;
}
.close-btn:hover {
    color: #333;
}

/* Форми */
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; margin-bottom: 0.5rem; font-weight: 500; color: #555;}
.form-group input, .form-group textarea {
    width: 100%; padding: 0.65rem; border: 1px solid rgba(0,0,0,0.08);
    border-radius: 2px; box-sizing: border-box; font-family: 'Montserrat', 'Inter', sans-serif;
    transition: border-color 0.12s ease;
}
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--black); }
.form-actions { display: flex; gap: 1rem; margin-top: 1.5rem;}
.form-actions .btn { flex-grow: 1; text-align: center; }

/* Профіль */
.profile-section {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    padding: 2rem;
    margin-bottom: var(--spacing-lg);
    border-radius: 0;
}

.profile-title {
    font-size: 1.5rem;
    font-weight: 400;
    margin-top: 0;
    margin-bottom: var(--spacing-md);
    color: var(--black);
    letter-spacing: -0.02em;
}

.profile-info {
    margin-bottom: var(--spacing-lg);
}

.profile-info-item {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-color);
}

.profile-info-item:last-child {
    border-bottom: none;
}

.profile-label {
    font-weight: 400;
    color: var(--muted-color);
    min-width: 100px;
}

.profile-value {
    color: var(--text-color);
}

.profile-form {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.profile-form-title {
    font-size: 1.1rem;
    font-weight: 400;
    margin-bottom: var(--spacing-md);
    color: var(--black);
}

.update-message {
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    display: none;
    font-size: 0.9rem;
}

.update-message[style*="display: block"] {
    display: block !important;
}

.orders-list {
    margin-top: var(--spacing-md);
}

.order-item {
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    margin-bottom: var(--spacing-sm);
    transition: border-color 0.2s ease;
}

.order-item:hover {
    border-color: var(--black);
}

.order-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xs);
}

.order-id {
    font-weight: 500;
    color: var(--black);
}

.order-status {
    padding: 0.25rem 0.75rem;
    color: white;
    font-size: 0.85rem;
    font-weight: 400;
    border-radius: 0;
}

.order-item-body {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-xs);
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.order-product {
    font-weight: 400;
    color: var(--text-color);
}

.order-date {
    font-size: 0.85rem;
    color: var(--muted-color);
}

/* Адмін-панель */
.admin-section {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    padding: 2rem;
    margin-bottom: 2rem;
    border-radius: 0;
}

.admin-section h2 {
    font-size: 1.5rem;
    font-weight: 400;
    margin-top: 0;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--black);
    letter-spacing: -0.02em;
}
.admin-section table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1.5rem;
}
.admin-section th, .admin-section td {
    padding: 0.8rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}
.admin-section th {
    font-weight: 600;
    background-color: #f8f8f8;
}
.admin-section td img {
    border-radius: 4px;
    object-fit: cover;
}
.order-list { 
    list-style: none; 
    padding: 0; 
    margin-top: 1.5rem;
}
.order-list li { 
    padding: 0.8rem 0; 
    border-bottom: 1px solid var(--border-color); 
    font-size: 0.95rem;
}
.order-list li:last-child {
    border-bottom: none;
}
.admin-form .form-group input[type="file"] {
    border: none;
    padding-left: 0;
    background-color: transparent;
}
.admin-form .form-group input[type="file"]:focus {
    box-shadow: none;
}
.admin-form small {
    display: block;
    font-size: 0.85rem;
    color: var(--secondary-color);
    margin-top: 0.5rem;
}

/* Адаптивність */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: flex-start;
    }
    
    .header-nav {
        width: 100%;
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }
    
    .page-title {
        font-size: 1.5rem;
        margin-bottom: var(--spacing-lg);
    }
    
    .filters-row {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-group {
        width: 100%;
    }
    
    .filter-input,
    .filter-select {
        width: 100%;
    }
    
    .search-row {
        flex-direction: column;
    }
    
    .product-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: var(--spacing-md);
    }
    
    #product-detail {
        grid-template-columns: 1fr;
    }
    
    .product-info__name {
        font-size: 1.5rem;
    }
    
    .product-info__price {
        font-size: 1.3rem;
    }
    
    .product-card__image {
        height: 240px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .main {
        padding: var(--spacing-md) 0;
    }
    
    .product-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .product-card__image {
        height: 280px;
    }
    
    .filters-section {
        margin-bottom: var(--spacing-lg);
    }
    
    .admin-section {
        padding: var(--spacing-sm);
    }
    
    .form-actions {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .admin-section th, .admin-section td {
        padding: var(--spacing-xs);
        font-size: 0.85rem;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
    
    .profile-section {
        padding: var(--spacing-md);
    }
    
    .profile-info-item {
        flex-direction: column;
        gap: 0.3rem;
    }
    
    .profile-label {
        min-width: auto;
    }
    
    .order-item-body {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* Стилі для форм аутентифікації */
.auth-form-container {
    max-width: 420px;
    margin: 3rem auto;
    padding: 2.5rem;
    border: 1px solid var(--border-color);
    border-radius: 0;
    background-color: var(--bg-color);
}

.auth-form-container h2 {
    text-align: left;
    margin-bottom: 2rem;
    font-size: 1.8rem;
    font-weight: 400;
    color: var(--black);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.auth-form .form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.auth-form .form-group label {
    font-weight: 400;
    font-size: 0.9rem;
    color: var(--text-color);
    margin-bottom: 0.5rem;
    display: block;
}

.auth-form .form-group input {
    padding: 0.85rem 1rem;
    border: 1px solid var(--black);
    border-radius: 0;
    font-size: 0.95rem;
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    width: 100%;
    transition: border-color 0.2s ease;
}

.auth-form .form-group input:focus {
    outline: none;
    border-color: var(--black);
    box-shadow: none;
}

.auth-form .form-group input::placeholder {
    color: var(--muted-color);
    opacity: 0.6;
}

.auth-form-container p {
    text-align: center;
    margin-top: 1rem;
}

.auth-form-container a {
    color: var(--primary-color);
    text-decoration: none;
}

.auth-form-container a:hover {
    text-decoration: underline;
}

/* Корзина */
.cart-btn {
    position: relative;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.2s ease;
}

.cart-btn:hover {
    opacity: 0.7;
}

.cart-icon {
    display: inline-block;
}

.cart-badge {
    position: absolute;
    top: 0;
    right: 0;
    background-color: var(--black);
    color: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 500;
}

.cart-modal-content {
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
}

.cart-items {
    margin: 1.5rem 0;
    max-height: 400px;
    overflow-y: auto;
}

.cart-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.cart-item:last-child {
    border-bottom: none;
}

.cart-item-image {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 2px;
}

.cart-item-info {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.cart-item-name {
    font-weight: 400;
    color: var(--text-color);
    font-size: 0.95rem;
}

.cart-item-price {
    color: var(--muted-color);
    font-size: 0.9rem;
}

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

.cart-quantity-btn {
    background: var(--black);
    color: white;
    border: none;
    width: 28px;
    height: 28px;
    cursor: pointer;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.2s ease;
}

.cart-quantity-btn:hover {
    opacity: 0.8;
}

.cart-quantity {
    min-width: 30px;
    text-align: center;
    font-weight: 400;
}

.cart-remove-btn {
    background: none;
    border: none;
    color: var(--muted-color);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    line-height: 1;
    transition: color 0.2s ease;
}

.cart-remove-btn:hover {
    color: var(--black);
}

.cart-total {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 2px solid var(--border-color);
}

.cart-total-amount {
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--black);
    text-align: right;
}

.cart-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.cart-actions .btn {
    flex: 1;
}

/* Історія переглядів */
.view-history-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: var(--spacing-md);
}

.view-history-item {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    transition: transform 0.2s ease, opacity 0.2s ease;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.view-history-item:hover {
    transform: translateY(-2px);
    opacity: 0.8;
    border-color: var(--black);
}

.view-history-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background-color: #f5f5f5;
}

.view-history-info {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.view-history-name {
    font-weight: 400;
    color: var(--text-color);
    font-size: 0.95rem;
    line-height: 1.4;
}

.view-history-price {
    font-weight: 500;
    color: var(--black);
    font-size: 0.9rem;
}

.view-history-price .old-price {
    text-decoration: line-through;
    color: var(--muted-color);
    margin-right: 0.5rem;
    font-weight: 400;
}

@media (max-width: 768px) {
    .view-history-list {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 1rem;
    }
    
    .view-history-image {
        height: 150px;
    }
    
    .cart-item {
        flex-wrap: wrap;
    }
    
    .cart-item-image {
        width: 60px;
        height: 60px;
    }
    
    .cart-actions {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .view-history-list {
        grid-template-columns: 1fr 1fr;
    }
    
    .cart-item {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .cart-item-info {
        width: 100%;
    }
}