/**
 * Checkout Page Styles
 * Стили для страницы оформления заказа B2B
 *
 * @package arm-engineering
 */

/* ============================================
   CHECKOUT PAGE LAYOUT
============================================ */
.woocommerce-checkout {
    display: block;
}

.checkout-page {
    background: var(--color-white);
    min-height: calc(100vh - 200px);
}

.checkout-page > .container {
    max-width: 800px;
    padding-left: var(--space-4);
    padding-right: var(--space-4);
    margin-left: 0;
    margin-right: auto;
}

.checkout-page__title {
    display: none;
}

/* Одна колонка */
.checkout-page--single-column .checkout-page__layout {
    display: block;
}

.checkout-page--single-column .checkout-page__main {
    max-width: 100%;
}

/* Старый layout (если нужен) */
.checkout-page__layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
}

/* Левая колонка - липкая */
.checkout-page__cart {
    position: relative;
}

@media (min-width: 1200px) {
    .checkout-page__cart {
        position: sticky;
        top: 80px; /* Высота липкого хедера */
        max-height: calc(100vh - 100px);
        overflow-y: auto;
    }
}

/* ============================================
   CHECKOUT SECTIONS
============================================ */
.checkout-section {
    background: transparent;
    border-radius: 0;
    padding: 0;
    box-shadow: none;
}

.checkout-section + .checkout-section {
    margin-top: var(--space-8);
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-gray-200);
}

.checkout-section__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-5);
}

/* Заголовки секций - иконка слева, текст справа */
.checkout-section__header h2 {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
    margin: 0;
}

.checkout-section__header h2 svg {
    color: var(--color-gray-400);
    flex-shrink: 0;
    order: -1; /* Иконка первой */
}

.checkout-section__title {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
    margin: 0;
}

.checkout-section__title svg {
    color: var(--color-accent);
    flex-shrink: 0;
}

.checkout-section__count {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    background: var(--color-gray-100);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
}

.checkout-section--submit {
    background: transparent;
    box-shadow: none;
    padding: var(--space-6) 0 0;
    border-top: none;
    margin-top: var(--space-6);
}

/* ============================================
   CART ITEMS
============================================ */
.cart-items {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.cart-item {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-4);
    padding-right: var(--space-10);
    background: var(--color-gray-50);
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
    position: relative;
}

.cart-item:hover {
    background: var(--color-gray-100);
}

/* Крестик удаления - правый верхний угол карточки */
.cart-item__remove {
    position: absolute;
    top: var(--space-3);
    right: var(--space-3);
    width: 28px;
    height: 28px;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    z-index: 5;
    padding: 0;
}

.cart-item__remove svg {
    width: 14px;
    height: 14px;
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

.cart-item__remove:hover {
    background: var(--color-error);
    border-color: var(--color-error);
}

.cart-item__remove:hover svg {
    color: var(--color-white);
}

.cart-item__image {
    flex-shrink: 0;
    width: 100px;
    height: 100px;
    background: var(--color-white);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-gray-200);
}

.cart-item__image img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
}

.cart-item__content {
    flex: 1;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
}

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

.cart-item__name {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text);
    margin: 0 0 var(--space-1);
    line-height: 1.3;
}

.cart-item__name a {
    color: inherit;
    transition: color var(--transition-fast);
}

.cart-item__name a:hover {
    color: var(--color-accent);
}

.cart-item__sku {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
}

.cart-item__controls {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    flex-shrink: 0;
}

/* Quantity Controls */
.cart-item__quantity {
    display: flex;
    align-items: center;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.qty-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--color-gray-600);
    font-size: 18px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.qty-btn:hover {
    background: var(--color-gray-100);
    color: var(--color-primary);
}

.qty-input {
    width: 50px;
    height: 36px;
    border: none;
    border-left: 1px solid var(--color-gray-200);
    border-right: 1px solid var(--color-gray-200);
    text-align: center;
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text);
    -moz-appearance: textfield;
}

.qty-input::-webkit-outer-spin-button,
.qty-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.qty-input:focus {
    outline: none;
}

/* Price */
.cart-item__price {
    min-width: 100px;
    text-align: right;
}

.cart-item__price-value {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--color-text);
    white-space: nowrap;
}

/* Remove Button */
.cart-item__remove {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--color-gray-400);
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.cart-item__remove:hover {
    background: var(--color-error);
    color: var(--color-white);
}

/* ============================================
   CART SUMMARY
============================================ */
.cart-summary {
    margin-top: var(--space-6);
    padding-top: var(--space-5);
    border-top: 2px solid var(--color-gray-200);
}

.cart-summary__row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-2) 0;
    font-size: var(--font-size-base);
    color: var(--color-gray-600);
}

.cart-summary__row--total {
    padding-top: var(--space-4);
    margin-top: var(--space-2);
    border-top: 1px solid var(--color-gray-200);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text);
}

.cart-summary__row--total span:last-child {
    color: var(--color-accent);
    font-size: var(--font-size-2xl);
}

/* ============================================
   CHECKOUT FORM FIELDS
============================================ */
.checkout-fields {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.form-row--half {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
}

@media (min-width: 480px) {
    .form-row--half {
        grid-template-columns: 1fr 1fr;
    }
}

.form-hint {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    margin-top: var(--space-1);
}

.form-control--readonly {
    background: var(--color-gray-50);
    color: var(--color-gray-700);
}

/* ============================================
   DADATA SUGGESTIONS
============================================ */
.dadata-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-top: none;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    z-index: 100;
    display: none;
    max-height: 300px;
    overflow-y: auto;
}

.dadata-suggestions.active {
    display: block;
}

.dadata-suggestion {
    padding: var(--space-3) var(--space-4);
    cursor: pointer;
    transition: background var(--transition-fast);
    border-bottom: 1px solid var(--color-gray-100);
}

.dadata-suggestion:last-child {
    border-bottom: none;
}

.dadata-suggestion:hover {
    background: var(--color-gray-50);
}

.dadata-suggestion__name {
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 2px;
}

.dadata-suggestion__info {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
}

.form-group {
    position: relative;
}

/* ============================================
   CHECKOUT COUNTRY SELECTOR
============================================ */
.checkout-phone-wrap {
    display: flex;
    align-items: stretch;
}

.checkout-country-select {
    position: relative;
    flex-shrink: 0;
}

.checkout-country-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    height: 100%;
    padding: 0 var(--space-3);
    background: var(--color-gray-100);
    border: 1px solid var(--color-gray-200);
    border-right: none;
    border-radius: var(--radius-md) 0 0 var(--radius-md);
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--color-text);
    transition: background 0.2s, border-color 0.2s;
    min-width: 90px;
}

.checkout-country-btn:hover {
    background: var(--color-gray-200);
}

.checkout-country-btn:focus {
    outline: none;
    border-color: var(--color-accent);
}

.checkout-country-flag {
    font-size: 18px;
    line-height: 1;
}

.checkout-country-code {
    font-weight: 500;
    color: var(--color-gray-600);
}

.checkout-country-arrow {
    margin-left: auto;
    width: 10px;
    height: 10px;
    color: var(--color-gray-500);
    transition: transform 0.2s;
}

.checkout-country-select.open .checkout-country-arrow {
    transform: rotate(180deg);
}

.checkout-country-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    min-width: 200px;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    z-index: 100;
    max-height: 250px;
    overflow-y: auto;
    display: none;
}

.checkout-country-select.open .checkout-country-dropdown {
    display: block;
}

.checkout-country-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    cursor: pointer;
    transition: background 0.15s;
    font-size: var(--font-size-sm);
}

.checkout-country-option:hover {
    background: var(--color-gray-100);
}

.checkout-country-option.selected {
    background: rgba(255, 213, 79, 0.2);
}

.checkout-country-option-flag {
    font-size: 18px;
}

.checkout-country-option-name {
    flex: 1;
    color: var(--color-text);
}

.checkout-country-option-code {
    color: var(--color-gray-500);
    font-size: var(--font-size-xs);
}

.checkout-phone-wrap .form-control {
    flex: 1;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* ============================================
   CHECKOUT SUBMIT
============================================ */
.checkout-agreements {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
}

.checkout-checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    cursor: pointer;
    font-size: var(--font-size-sm);
    line-height: 1.4;
}

.checkout-checkbox input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.checkout-checkbox__box {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-sm);
    background: var(--color-white);
    position: relative;
    transition: all var(--transition-fast);
}

.checkout-checkbox__box::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 6px;
    width: 5px;
    height: 10px;
    border: solid var(--color-white);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.checkout-checkbox input:checked + .checkout-checkbox__box {
    background: var(--color-accent);
    border-color: var(--color-accent);
}

.checkout-checkbox input:checked + .checkout-checkbox__box::after {
    opacity: 1;
}

.checkout-checkbox input:focus + .checkout-checkbox__box {
    box-shadow: 0 0 0 3px rgba(238, 196, 23, 0.2);
}

.checkout-checkbox__text {
    color: var(--color-gray-600);
}

.checkout-checkbox__text a {
    color: var(--color-accent);
    text-decoration: underline;
}

.checkout-checkbox__text a:hover {
    color: var(--color-primary);
}

.checkout-agreement {
    margin-bottom: var(--space-5);
}

.checkout-submit {
    width: 100%;
    padding: var(--space-4) var(--space-6);
    font-size: var(--font-size-base);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
}

.checkout-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.checkout-note {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    margin-top: var(--space-4);
    line-height: 1.5;
}

/* ============================================
   LOADING STATE
============================================ */
.checkout-form.loading {
    pointer-events: none;
    opacity: 0.7;
}

.checkout-form.loading .checkout-submit::after {
    content: '';
    width: 18px;
    height: 18px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-left: var(--space-2);
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ============================================
   EMPTY CART
============================================ */
.cart-empty {
    text-align: center;
    padding: var(--space-16) var(--space-4);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 50vh;
}

.cart-empty__icon {
    width: 120px;
    height: 120px;
    margin: 0 auto var(--space-6);
    color: var(--color-gray-300);
}

.cart-empty__icon svg {
    width: 100%;
    height: 100%;
}

.cart-empty h2 {
    font-size: var(--font-size-2xl);
    color: var(--color-text);
    margin-bottom: var(--space-3);
}

.cart-empty p {
    font-size: var(--font-size-lg);
    color: var(--color-gray-500);
    margin-bottom: var(--space-8);
}

.cart-empty .btn {
    transition: opacity var(--transition-fast);
}

.cart-empty .btn:hover {
    opacity: 0.85;
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
============================================ */
@media (max-width: 1199px) {
    .checkout-section {
        padding: var(--space-4) 0;
    }
    
    .cart-item {
        flex-wrap: wrap;
        padding-right: var(--space-10);
    }
    
    .cart-item__remove {
        top: var(--space-2);
        right: var(--space-2);
        width: 24px;
        height: 24px;
    }
    
    .cart-item__remove svg {
        width: 12px;
        height: 12px;
    }
    
    .cart-item__image {
        width: 60px;
        height: 60px;
    }
    
    .cart-item__info {
        flex: 1;
    }
    
    .cart-item__content {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-2);
    }
    
    .cart-item__controls {
        width: 100%;
        justify-content: space-between;
    }
    
    .cart-item__price {
        min-width: auto;
    }
    
    .cart-item__name {
        font-size: var(--font-size-sm);
    }
}

/* ============================================
   QUOTE ITEMS (Товары без цены)
============================================ */
.cart-item--quote {
    border-left: 3px solid var(--color-accent);
}

.cart-item__price-quote {
    color: var(--color-accent);
    font-weight: 600;
    font-size: var(--font-size-base);
    white-space: nowrap;
}

.checkout-quote-notice {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    margin-top: var(--space-4);
    padding: var(--space-3) var(--space-4);
    background: rgba(235, 192, 30, 0.1);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.checkout-quote-notice svg {
    flex-shrink: 0;
    color: var(--color-accent);
    margin-top: 2px;
}

/* Optional label */
.optional {
    font-weight: 400;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

/* Cart total with quote */
#cart-total {
    white-space: nowrap;
}

/* Validation error styles */
.form-control.error {
    border-color: #dc3545 !important;
    background-color: #fff8f8;
}

.field-error-message {
    display: block;
    color: #dc3545;
    font-size: 12px;
    margin-top: 4px;
    font-weight: 500;
}

/* Phone field error - под полем, не сбоку */
.checkout-phone-wrap + .field-error-message,
.form-group .field-error-message {
    grid-column: 1 / -1;
    width: 100%;
}

/* Checkbox error */
.checkout-checkbox input.error + .checkout-checkbox__box {
    border-color: #dc3545;
}

.checkout-checkbox {
    position: relative;
}

.checkout-checkbox .field-error-message {
    position: absolute;
    left: 0;
    top: 100%;
    margin-top: 4px;
    width: 100%;
}