/* ===================== КОРЗИНА - PREMIUM B2B STYLE ===================== */

/* Основной контейнер */
.cart-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

@media (max-width: 768px) {
    .cart-container {
        padding: 0 1rem;
    }
}

/* ===================== ЗАГОЛОВОК КОРЗИНЫ ===================== */
.cart-header {
    padding: 3rem 0 2rem;
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-light);
    margin-bottom: 3rem;
}

.cart-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.cart-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 0;
}

/* ===================== СЕТКА КОРЗИНЫ ===================== */
.cart-layout {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 3rem;
    margin-bottom: 4rem;
}

@media (max-width: 1024px) {
    .cart-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

/* ===================== СПИСОК ТОВАРОВ ===================== */
.cart-items {
    flex: 1;
}

.cart-items-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-light);
}

.cart-items-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* ===================== КАРТОЧКА ТОВАРА В КОРЗИНЕ ===================== */
.cart-item-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: var(--transition);
    display: grid;
    grid-template-columns: 100px 1fr auto;
    gap: 1.5rem;
    align-items: center;
}

@media (max-width: 768px) {
    .cart-item-card {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

.cart-item-card:hover {
    border-color: var(--accent-blue);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.cart-item-image {
    width: 100px;
    height: 100px;
    background: var(--bg-secondary);
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

    .cart-item-image img {
        width: 100%;
        height: 100%;
        object-fit: contain;
        padding: 0.5rem;
    }

.cart-item-info {
    flex: 1;
}

.cart-item-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

    .cart-item-name a {
        color: inherit;
        text-decoration: none;
        transition: var(--transition);
    }

        .cart-item-name a:hover {
            color: var(--accent-blue);
        }

.cart-item-sku {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.cart-item-price {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.cart-item-controls {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 1rem;
}

@media (max-width: 768px) {
    .cart-item-controls {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        border-top: 1px solid var(--border-light);
        padding-top: 1rem;
        margin-top: 1rem;
    }
}

/* ===================== УПРАВЛЕНИЕ КОЛИЧЕСТВОМ ===================== */
.quantity-control {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quantity-btn {
    width: 32px;
    height: 32px;
    border: 1px solid var(--border-medium);
    border-radius: 6px;
    background: var(--bg-card);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

    .quantity-btn:hover {
        border-color: var(--accent-blue);
        color: var(--accent-blue);
    }

.quantity-input {
    width: 60px;
    text-align: center;
    border: 1px solid var(--border-medium);
    border-radius: 6px;
    padding: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-primary);
    background: var(--bg-card);
}

.cart-item-total {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    text-align: right;
}

.cart-item-remove {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

    .cart-item-remove:hover {
        color: #dc3545;
    }

/* ===================== БОКОВАЯ ПАНЕЛЬ С ИТОГАМИ ===================== */
.cart-sidebar {
    position: sticky;
    top: 120px;
    height: fit-content;
}

.order-summary {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.order-summary-title {
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-light);
}

.order-details {
    margin-bottom: 1.5rem;
}

.order-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-light);
}

    .order-row:last-child {
        border-bottom: none;
    }

.order-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.order-value {
    color: var(--text-primary);
    font-weight: 500;
}

.order-total {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.order-total-row {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 2px solid var(--border-light);
}

.checkout-button {
    width: 100%;
    margin-top: 1rem;
}

/* ===================== ПУСТАЯ КОРЗИНА ===================== */
.empty-cart-container {
    text-align: center;
    padding: 4rem 2rem;
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
}

.empty-cart-icon {
    font-size: 4rem;
    color: var(--border-medium);
    margin-bottom: 2rem;
}

.empty-cart-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.empty-cart-message {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 2.5rem;
    max-width: 500px;
}

.empty-cart-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    width: 100%;
}

@media (max-width: 768px) {
    .empty-cart-container {
        padding: 3rem 1rem;
        min-height: 50vh;
    }

    .empty-cart-actions {
        flex-direction: column;
        gap: 0.75rem;
    }

        .empty-cart-actions .btn {
            width: 100%;
            max-width: 300px;
            margin: 0 auto;
        }
}

/* ===================== ШАГИ ОФОРМЛЕНИЯ ===================== */
.checkout-steps {
    display: flex;
    justify-content: space-between;
    position: relative;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

    .checkout-steps::before {
        content: '';
        position: absolute;
        top: 12px;
        left: 0;
        right: 0;
        height: 1px;
        background: var(--border-light);
        z-index: 1;
    }

.step {
    position: relative;
    z-index: 2;
    text-align: center;
    flex: 1;
}

.step-number {
    width: 24px;
    height: 24px;
    border: 2px solid var(--border-medium);
    border-radius: 50%;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 0.5rem;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
}

.step.active .step-number {
    border-color: var(--accent-blue);
    background: var(--accent-blue);
    color: white;
}

.step.completed .step-number {
    border-color: var(--accent-blue);
    background: var(--accent-blue);
    color: white;
}

.step-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
}

.step.active .step-label {
    color: var(--text-primary);
}

/* ===================== ФОРМА ОФОРМЛЕНИЯ ===================== */
.checkout-form {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
}

.checkout-form-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-light);
}

.form-section {
    margin-bottom: 2rem;
}

.form-section-title {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

/* ===================== УСПЕШНОЕ ОФОРМЛЕНИЕ ===================== */
.success-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 4rem 2rem;
    text-align: center;
}

.success-icon {
    font-size: 3rem;
    color: var(--accent-blue);
    margin-bottom: 1.5rem;
}

.success-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.success-message {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.success-details {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.success-details-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.success-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    text-align: left;
}

@media (max-width: 768px) {
    .success-info {
        grid-template-columns: 1fr;
    }
}

.success-info-item {
    display: flex;
    flex-direction: column;
}

.success-info-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.success-info-value {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
}

/* ===================== КНОПКИ ДЕЙСТВИЙ ===================== */
.cart-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-light);
}

@media (max-width: 768px) {
    .cart-actions {
        flex-direction: column;
    }
}

.btn-continue-shopping {
    flex: 1;
}

.btn-checkout {
    flex: 1;
}

/* ===================== УТИЛИТЫ ===================== */
.text-center {
    text-align: center;
}

.mb-0 {
    margin-bottom: 0;
}

.mt-0 {
    margin-top: 0;
}

.d-flex {
    display: flex;
}

.align-items-center {
    align-items: center;
}

.justify-content-center {
    justify-content: center;
}

.gap-2 {
    gap: 0.5rem;
}

.gap-3 {
    gap: 1rem;
}