/* ========================================
   ISKCON BOOKSTORE — SHOP STYLES
   Apple-like: symmetry, consistent spacing,
   generous radii, clean proportions
   ======================================== */


/* ========================================
   SHOP SECTION LAYOUT
   ======================================== */

.shop-section {
    padding: 80px 0;
    flex: 1;
}

/* .section-header замінено на .page-hero у base.css */


/* Стилі кошика тепер у base.css (.nav-cart-link) */


/* ========================================
   FILTERS — centered, uniform spacing
   ======================================== */

.shop-filters {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 32px;
}

.filter-group {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.filter-label {
    font-weight: 600;
    color: var(--dark);
    font-size: 0.9rem;
    min-width: 90px;
    flex-shrink: 0;
}

.filter-tag {
    padding: 7px 16px;
    border-radius: var(--radius-sm);
    background: var(--gray-100);
    color: var(--gray-700);
    font-size: 0.85rem;
    letter-spacing: 0.01em;
    transition: all var(--transition-fast);
    cursor: pointer;
    text-decoration: none;
    border: 1px solid transparent;
}

.filter-tag:hover {
    background: var(--gray-200);
    border-color: var(--gray-300);
}

.filter-tag.active {
    background: var(--dark);
    color: var(--white);
    border-color: var(--dark);
}


/* ========================================
   BOOK GRID — full-width, consistent gaps
   ======================================== */

.books-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.book-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

.book-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--gray-300);
    transform: translateY(-2px);
}

.book-card-image {
    display: block;
    aspect-ratio: 3 / 4;
    overflow: hidden;
}

.book-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.book-card:hover .book-card-image img {
    transform: scale(1.03);
}

.book-card-content {
    padding: 16px 20px 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.book-card-content h3 {
    font-size: 1rem;
    margin-bottom: 4px;
    color: var(--dark);
    line-height: 1.3;
}

.book-card-content h3 a {
    color: inherit;
}

.book-author {
    color: var(--gray-500);
    font-size: 0.85rem;
    margin-bottom: 16px;
}

.book-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
}

.book-price {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--primary-dark);
}


/* ========================================
   BUTTONS — consistent sizing, generous radii
   ======================================== */

.btn-cart-add {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-lg);
    background: var(--dark);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    border: none;
    cursor: pointer;
}

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

.btn-cart-add.added {
    background: #28a745;
    color: white;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--dark);
    color: var(--white);
    padding: 14px 28px;
    border-radius: var(--radius-xl);
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    font-family: inherit;
}

.btn-primary:hover {
    background: var(--primary-dark);
    color: var(--white);
}

.btn-primary.added {
    background: #28a745;
    color: white;
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: transparent;
    border: 1px solid var(--gray-300);
    color: var(--dark);
    padding: 14px 28px;
    border-radius: var(--radius-xl);
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    font-family: inherit;
}

.btn-outline:hover {
    background: var(--dark);
    color: var(--white);
    border-color: var(--dark);
}

.btn-full {
    display: block;
    width: 100%;
    text-align: center;
    margin-bottom: 12px;
}


/* ========================================
   BOOK DETAIL — uniform proportions
   ======================================== */

.book-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
    margin-top: 8px;
}

.book-detail-image img {
    width: 100%;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.book-detail-info {
    display: flex;
    flex-direction: column;
}

.book-detail-info h1 {
    margin-bottom: 8px;
}

.book-detail-author {
    font-size: 1.1rem;
    color: var(--gray-500);
    margin-bottom: 20px;
}

.book-detail-meta {
    display: flex;
    gap: 24px;
    color: var(--gray-500);
    margin-bottom: 16px;
    font-size: 0.95rem;
}

.book-detail-meta i {
    margin-right: 6px;
    color: var(--primary-dark);
}

.book-detail-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.category-tag {
    padding: 5px 14px;
    border-radius: var(--radius-full);
    background: var(--accent-light);
    color: var(--primary-dark);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    border: 1px solid rgba(212, 160, 58, 0.2);
}

.book-detail-price {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 20px;
}

.book-detail-cart-form {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}

.book-detail-cart-form label {
    font-weight: 600;
    color: var(--dark);
}

.book-detail-description {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--gray-200);
}

.book-detail-description h3 {
    font-size: 1rem;
    margin-bottom: 12px;
    color: var(--dark);
}


/* ========================================
   MISC
   ======================================== */

.book-no-image {
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--gray-400);
    font-size: 3rem;
}

.book-no-image-lg {
    aspect-ratio: 3 / 4;
    border-radius: var(--radius-xl);
}

.book-no-image-sm {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-lg);
}

.out-of-stock {
    color: var(--gray-500);
    font-style: italic;
    font-size: 1.1rem;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--gray-500);
    margin-bottom: 24px;
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

.back-link:hover {
    color: var(--primary-dark);
}

.qty-input {
    width: 60px;
    text-align: center;
    padding: 10px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-family: inherit;
}

.qty-input:focus {
    outline: none;
    border-color: var(--primary);
}


/* ========================================
   CART — consistent sidebar width (340px)
   ======================================== */

.cart-content {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 32px;
    align-items: start;
}

.cart-items {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.cart-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
}

.cart-item-image {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    flex-shrink: 0;
}

.cart-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cart-item-info {
    flex: 1;
    min-width: 0;
}

.cart-item-info h4 {
    font-size: 1rem;
    margin-bottom: 4px;
    color: var(--dark);
}

.cart-item-info h4 a {
    color: inherit;
}

.cart-item-author {
    color: var(--gray-500);
    font-size: 0.85rem;
    margin: 0;
}

.cart-item-price {
    color: var(--gray-600);
    font-size: 0.9rem;
    margin: 0;
}

.cart-item-qty {
    flex-shrink: 0;
}

.cart-item-subtotal {
    font-weight: 700;
    min-width: 100px;
    text-align: right;
    color: var(--dark);
}

.cart-item-remove {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    border: none;
    background: none;
    cursor: pointer;
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.cart-item-remove:hover {
    color: #dc3545;
    background: rgba(220, 53, 69, 0.1);
}

.cart-summary {
    position: sticky;
    top: 100px;
    padding: 28px;
    background: var(--bg-cream);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    height: fit-content;
}

.cart-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--dark);
}


/* ========================================
   CHECKOUT — same sidebar width (340px)
   ======================================== */

.checkout-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 32px;
    align-items: start;
}

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

.form-section {
    margin-bottom: 20px;
    padding: 24px;
    background: var(--white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
}

.form-section h3 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--gray-200);
    color: var(--dark);
}

.form-group {
    margin-bottom: 16px;
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    color: var(--dark);
    font-size: 0.9rem;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-size: 0.95rem;
    font-family: inherit;
    color: var(--dark);
    background: var(--white);
    transition: border-color var(--transition-fast);
    box-sizing: border-box;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
}

textarea.form-input {
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-error {
    color: #dc3545;
    font-size: 0.85rem;
    margin-top: 4px;
    display: block;
}

.delivery-options ul {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.delivery-options label {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--gray-100);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: background var(--transition-fast);
    font-weight: 400;
}

.delivery-options input[type="radio"] {
    accent-color: var(--primary);
}

.delivery-options label:hover {
    background: var(--gray-200);
}

.checkout-summary {
    position: sticky;
    top: 100px;
    padding: 28px;
    background: var(--bg-cream);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    height: fit-content;
}

.checkout-summary h3 {
    font-size: 1.1rem;
    margin-bottom: 16px;
    color: var(--dark);
}

.checkout-item {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--gray-200);
    font-size: 0.9rem;
}

.checkout-item-title {
    color: var(--gray-700);
    flex: 1;
}

.checkout-item-price {
    font-weight: 600;
    color: var(--dark);
    margin-left: 16px;
}

.checkout-total {
    display: flex;
    justify-content: space-between;
    font-weight: 700;
    font-size: 1.2rem;
    padding-top: 12px;
    margin-top: 4px;
    color: var(--dark);
}


/* ========================================
   ORDER SUCCESS
   ======================================== */

.order-success {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    padding: 40px 0;
}

.order-success-icon {
    font-size: 4rem;
    color: #28a745;
    margin-bottom: 24px;
}

.order-success h2 {
    margin-bottom: 16px;
}

.order-success-number {
    font-size: 1.1rem;
    color: var(--gray-600);
    margin-bottom: 8px;
}

.order-success-message {
    color: var(--gray-500);
    margin-bottom: 32px;
    line-height: 1.7;
}

.order-success-details {
    text-align: left;
    margin: 32px 0;
    padding: 28px;
    background: var(--bg-cream);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
}

.order-success-details h3 {
    font-size: 1rem;
    margin-bottom: 12px;
    color: var(--dark);
}


/* ========================================
   EMPTY STATE
   ======================================== */

.shop-empty {
    text-align: center;
    padding: 80px 0;
    color: var(--gray-400);
}

.shop-empty i {
    font-size: 3rem;
    display: block;
    margin-bottom: 16px;
}

.shop-empty p {
    font-size: 1.1rem;
    margin-bottom: 24px;
}


/* ========================================
   DARK THEME
   ======================================== */

[data-theme="dark"] .book-card {
    background: var(--bg-cream);
    border-color: rgba(229, 184, 74, 0.12);
}

[data-theme="dark"] .book-card:hover {
    border-color: rgba(229, 184, 74, 0.25);
}

[data-theme="dark"] .cart-item {
    background: var(--bg-cream);
    border-color: rgba(229, 184, 74, 0.12);
}

[data-theme="dark"] .form-section {
    background: var(--bg-cream);
    border-color: rgba(229, 184, 74, 0.12);
}

[data-theme="dark"] .filter-tag {
    background: rgba(229, 184, 74, 0.1);
    border: 1px solid rgba(229, 184, 74, 0.15);
}

[data-theme="dark"] .filter-tag:hover {
    background: rgba(229, 184, 74, 0.18);
}

[data-theme="dark"] .filter-tag.active {
    background: var(--primary);
    color: #141210;
    border-color: var(--primary);
}

[data-theme="dark"] .btn-outline {
    border-color: rgba(229, 184, 74, 0.25);
    color: var(--dark);
}

[data-theme="dark"] .btn-outline:hover {
    background: var(--primary);
    color: #141210;
    border-color: var(--primary);
}

[data-theme="dark"] .btn-primary {
    background: var(--primary);
    color: #141210;
}

[data-theme="dark"] .btn-primary:hover {
    background: var(--primary-light);
    color: #141210;
}

[data-theme="dark"] .form-input {
    background: var(--white);
    border-color: rgba(229, 184, 74, 0.15);
    color: var(--dark);
}

[data-theme="dark"] .form-input:focus {
    border-color: var(--primary);
}

[data-theme="dark"] .delivery-options label {
    background: rgba(229, 184, 74, 0.08);
}

[data-theme="dark"] .delivery-options label:hover {
    background: rgba(229, 184, 74, 0.14);
}

[data-theme="dark"] .cart-summary,
[data-theme="dark"] .checkout-summary,
[data-theme="dark"] .order-success-details {
    background: rgba(229, 184, 74, 0.08);
    border-color: rgba(229, 184, 74, 0.12);
}

[data-theme="dark"] .category-tag {
    background: rgba(229, 184, 74, 0.12);
}

[data-theme="dark"] .book-no-image {
    background: rgba(229, 184, 74, 0.06);
    color: var(--gray-500);
}

[data-theme="dark"] .book-detail-description {
    border-top-color: rgba(229, 184, 74, 0.1);
}

[data-theme="dark"] .form-section h3 {
    border-bottom-color: rgba(229, 184, 74, 0.1);
}

[data-theme="dark"] .checkout-item {
    border-bottom-color: rgba(229, 184, 74, 0.1);
}

[data-theme="dark"] .qty-input {
    background: var(--white);
    border-color: rgba(229, 184, 74, 0.15);
    color: var(--dark);
}

[data-theme="dark"] .qty-input:focus {
    border-color: var(--primary);
}


/* ========================================
   RESPONSIVE — 1024px
   ======================================== */

@media (max-width: 1024px) {
    .books-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .book-detail {
        grid-template-columns: 2fr 3fr;
        gap: 32px;
    }

    .cart-content {
        grid-template-columns: 1fr 300px;
    }

    .checkout-layout {
        grid-template-columns: 1fr 300px;
    }
}


/* ========================================
   RESPONSIVE — 768px
   ======================================== */

@media (max-width: 768px) {
    .shop-section {
        padding: 48px 0;
    }

    .shop-section .section-header {
        margin-bottom: 28px;
    }

    .books-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .book-detail {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .book-detail-image {
        max-width: 400px;
        margin: 0 auto;
    }

    .cart-content {
        grid-template-columns: 1fr;
    }

    .cart-summary {
        position: static;
    }

    .checkout-layout {
        grid-template-columns: 1fr;
    }

    .checkout-summary {
        position: static;
        order: -1;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .cart-item {
        flex-wrap: wrap;
    }

    .cart-item-subtotal {
        min-width: auto;
    }
}


/* ========================================
   RESPONSIVE — 480px
   ======================================== */

@media (max-width: 480px) {
    .shop-section {
        padding: 36px 0;
    }

    .books-grid {
        grid-template-columns: 1fr;
        max-width: 360px;
        margin: 0 auto;
    }

    .book-card-content {
        padding: 14px 16px 16px;
    }

    .book-card-content h3 {
        font-size: 1rem;
    }

    .book-price {
        font-size: 1.05rem;
    }

    .book-detail-price {
        font-size: 1.6rem;
    }

    .book-detail-meta {
        flex-direction: column;
        gap: 8px;
    }

    .book-detail-cart-form {
        flex-wrap: wrap;
    }

    .btn-primary {
        padding: 12px 20px;
        font-size: 0.9rem;
    }

    .btn-outline {
        padding: 12px 20px;
    }

    .form-section {
        padding: 16px;
    }

    .form-section h3 {
        font-size: 1rem;
    }

    .cart-item {
        padding: 12px;
        gap: 12px;
    }

    .shop-empty {
        padding: 50px 0;
    }

    .order-success {
        padding: 24px 0;
    }

    .order-success-icon {
        font-size: 3rem;
    }

    .order-success-details {
        padding: 16px;
    }
}