/* ============================================
   ФАЙЛ: cart.css
   ОПИСАНИЕ: Стили корзины — drawer, иконка, анимации, виджет
   ============================================ */

/* ====== КНОПКА КОРЗИНЫ В ХЕДЕРЕ ====== */
.cart-header-btn {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.25);
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-white);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    text-decoration: none;
    backdrop-filter: blur(4px);
}

.cart-header-btn:hover {
    background: rgba(99, 102, 241, 0.6);
    border-color: rgba(99, 102, 241, 0.8);
    color: var(--text-white);
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.5);
}

.cart-header-btn:active {
    transform: scale(0.95);
}

/* Счётчик товаров */
.cart-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    min-width: 20px;
    height: 20px;
    padding: 0 5px;
    background: linear-gradient(135deg, #ec4899, #f43f5e);
    color: var(--text-white);
    border-radius: 50px;
    font-size: 0.65rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    border: 2px solid transparent;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 2px 8px rgba(244, 63, 94, 0.5);
}

.cart-badge.hidden {
    opacity: 0;
    transform: scale(0);
}

.cart-badge.bounce {
    animation: cartBadgeBounce 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes cartBadgeBounce {
    0% { transform: scale(0.5); }
    60% { transform: scale(1.3); }
    100% { transform: scale(1); }
}

/* Пульс при добавлении */
.cart-header-btn.pulse-add::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid var(--primary-color);
    animation: cartPulseRing 0.6s ease-out forwards;
}

@keyframes cartPulseRing {
    0% { transform: scale(0.8); opacity: 1; }
    100% { transform: scale(1.8); opacity: 0; }
}

/* ====== OVERLAY (ЗАТЕМНЕНИЕ) ====== */
.cart-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(3px);
    z-index: 1080;
    opacity: 0;
    visibility: hidden;
    transition: all 0.35s ease;
}

.cart-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ====== CART DRAWER (БОКОВАЯ ПАНЕЛЬ) ====== */
.cart-drawer {
    position: fixed;
    top: 0;
    right: 0;
    width: 420px;
    max-width: 100vw;
    height: 100dvh;
    z-index: 1090;
    background: var(--bg-card);
    box-shadow: -8px 0 40px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    will-change: transform;
}

.cart-drawer.open {
    transform: translateX(0);
}

/* Шапка drawer */
.cart-drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 22px 24px 18px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #8b5cf6 100%);
    color: var(--text-white);
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
}

.cart-drawer-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Ccircle cx='30' cy='30' r='30'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
    pointer-events: none;
}

.cart-drawer-title {
    display: flex;
    align-items: center;
    gap: 12px;
    position: relative;
}

.cart-drawer-title h4 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.01em;
}

.cart-drawer-title-icon {
    width: 38px;
    height: 38px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.cart-drawer-count-badge {
    background: rgba(255, 255, 255, 0.25);
    border-radius: 50px;
    padding: 2px 10px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-left: 4px;
}

.cart-drawer-close {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    border: none;
    color: var(--text-white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    font-size: 1rem;
    position: relative;
    flex-shrink: 0;
}

.cart-drawer-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

/* Тело drawer (список товаров) */
.cart-drawer-body {
    flex: 1;
    overflow-y: auto;
    padding: 0;
    scrollbar-width: thin;
    scrollbar-color: #e2e8f0 transparent;
}

.cart-drawer-body::-webkit-scrollbar {
    width: 4px;
}

.cart-drawer-body::-webkit-scrollbar-thumb {
    background: #c7d2fe;
    border-radius: 4px;
}

/* Состояние "корзина пуста" */
.cart-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 32px;
    text-align: center;
    height: 100%;
    min-height: 350px;
}

.cart-empty-icon {
    width: 90px;
    height: 90px;
    background: linear-gradient(135deg, #ede9fe, #fce7f3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    color: #8b5cf6;
    margin-bottom: 20px;
    animation: cartEmptyFloat 3s ease-in-out infinite;
}

@keyframes cartEmptyFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.cart-empty-state h5 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 8px;
}

.cart-empty-state p {
    font-size: 0.875rem;
    color: #6b7280;
    margin-bottom: 24px;
    line-height: 1.6;
}

/* Состояние "не авторизован" */
.cart-auth-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 32px;
    text-align: center;
    min-height: 350px;
}

.cart-auth-icon {
    width: 90px;
    height: 90px;
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    color: #d97706;
    margin-bottom: 20px;
}

/* Элемент корзины */
.cart-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 20px;
    border-bottom: 1px solid #f3f4f6;
    transition: background 0.2s ease;
    position: relative;
    overflow: hidden;
}

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

.cart-item:hover {
    background: #f9fafb;
}

.cart-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(135deg, var(--primary-color), #8b5cf6);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.cart-item:hover::before {
    opacity: 1;
}

/* Иконка/аватар товара */
.cart-item-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: linear-gradient(135deg, #ede9fe, #e0e7ff);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.15);
}

.cart-item-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 14px;
}

.cart-item-icon i {
    font-size: 1.2rem;
    color: var(--primary-color);
}

/* Контент товара */
.cart-item-info {
    flex: 1;
    min-width: 0;
}

.cart-item-name {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 4px;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: line-clamp: 2;
    
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-decoration: none;
}

.cart-item-name:hover {
    color: var(--primary-color);
}

.cart-item-price {
    font-size: 0.825rem;
    font-weight: 700;
    color: var(--primary-color);
    background: rgba(99, 102, 241, 0.08);
    padding: 2px 8px;
    border-radius: 50px;
    display: inline-block;
}

/* Кнопка удаления */
.cart-item-remove {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: #fef2f2;
    border: none;
    color: #ef4444;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.cart-item-remove:hover {
    background: #ef4444;
    color: var(--text-white);
    transform: scale(1.1);
}

/* Анимация удаления */
.cart-item.removing {
    animation: cartItemRemove 0.35s ease forwards;
}

@keyframes cartItemRemove {
    0% { opacity: 1; transform: translateX(0); max-height: 100px; }
    60% { opacity: 0; transform: translateX(30px); }
    100% { opacity: 0; max-height: 0; padding: 0; margin: 0; }
}

/* Анимация добавления */
.cart-item.adding {
    animation: cartItemAdd 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes cartItemAdd {
    0% { transform: translateX(-20px); opacity: 0; }
    100% { transform: translateX(0); opacity: 1; }
}

/* Подвал drawer */
.cart-drawer-footer {
    padding: 20px 24px;
    background: var(--bg-card);
    border-top: 1px solid #e5e7eb;
    flex-shrink: 0;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.06);
}

.cart-total-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding: 14px 16px;
    background: linear-gradient(135deg, #f0f0ff, #f5f3ff);
    border-radius: 14px;
    border: 1px solid rgba(99, 102, 241, 0.12);
}

.cart-total-label {
    font-size: 0.875rem;
    color: #6b7280;
    font-weight: 500;
}

.cart-total-price {
    font-size: 1.4rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cart-checkout-btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #8b5cf6 100%);
    color: var(--text-white);
    border: none;
    border-radius: 14px;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.35);
    position: relative;
    overflow: hidden;
}

.cart-checkout-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.cart-checkout-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.45);
    color: var(--text-white);
}

.cart-checkout-btn:hover::before {
    left: 100%;
}

.cart-checkout-btn:active {
    transform: translateY(0);
}

.cart-clear-btn {
    width: 100%;
    padding: 10px;
    margin-top: 10px;
    background: transparent;
    color: #9ca3af;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.cart-clear-btn:hover {
    border-color: #ef4444;
    color: #ef4444;
    background: #fef2f2;
}

/* ====== ТОСТ-УВЕДОМЛЕНИЕ ====== */
.cart-toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1100;
    max-width: 320px;
    padding: 14px 20px;
    background: var(--bg-card);
    border-radius: 14px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    gap: 14px;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    border-left: 4px solid var(--primary-color);
}

.cart-toast.show {
    transform: translateY(0);
    opacity: 1;
}

.cart-toast.error {
    border-left-color: #ef4444;
}

.cart-toast-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, #ede9fe, #e0e7ff);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.cart-toast.error .cart-toast-icon {
    background: linear-gradient(135deg, #fef2f2, #fee2e2);
    color: #ef4444;
}

.cart-toast-text {
    flex: 1;
}

.cart-toast-text strong {
    display: block;
    font-size: 0.875rem;
    color: var(--text-color);
}

.cart-toast-text span {
    font-size: 0.775rem;
    color: #6b7280;
}

/* ====== КНОПКИ "В КОРЗИНУ" НА КАРТОЧКАХ ====== */
.btn-cart-add {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.btn-cart-add .btn-text { transition: all 0.2s ease; }
.btn-cart-add .btn-text-loading { 
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.2s ease;
}

.btn-cart-add.loading .btn-text { opacity: 0; }
.btn-cart-add.loading .btn-text-loading { opacity: 1; }

.btn-cart-add.loading {
    pointer-events: none;
    opacity: 0.85;
}

.btn-cart-add.success {
    background: linear-gradient(135deg, var(--success-color), #059669) !important;
    border-color: transparent !important;
}

/* ====== ВИДЖЕТ В САЙДБАРЕ ====== */
.cart-widget {
    border-radius: 16px !important;
    overflow: hidden;
    border: none !important;
    box-shadow: 0 8px 32px rgba(99, 102, 241, 0.12) !important;
}

.cart-widget-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #8b5cf6 100%);
    padding: 18px 20px;
    display: grid;
    align-items: center;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
}

.cart-widget-header::after {
    content: '';
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100px;
    height: 100px;
    background: rgba(255,255,255,0.08);
    border-radius: 50%;
}

.cart-widget-title {
    display: grid;
    align-items: center;
    gap: 10px;
    color: var(--text-white);
    font-weight: 700;
    font-size: 1rem;
    position: relative;
}

.cart-widget-badge {
    background: rgba(255,255,255,0.2);
    color: var(--text-white);
    padding: 2px 10px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    position: relative;
}

/* Элемент виджета в сайдбаре */
.cart-widget-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-bottom: 1px solid #f3f4f6;
    transition: background 0.2s;
}

.cart-widget-item:hover {
    background: #fafbff;
}

.cart-widget-item-icon {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: linear-gradient(135deg, #ede9fe, #e0e7ff);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
}

.cart-widget-item-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 10px;
}

.cart-widget-item-name {
    font-size: 0.825rem;
    font-weight: 600;
    color: var(--text-secondary);
    line-height: 1.3;
    flex: 1;
}

.cart-widget-item-price {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--primary-color);
    white-space: nowrap;
}

.cart-widget-item-remove {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #fef2f2;
    border: none;
    color: #ef4444;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    transition: all 0.2s;
    flex-shrink: 0;
}

.cart-widget-item-remove:hover {
    background: #ef4444;
    color: var(--text-white);
}

.cart-widget-footer {
    padding: 14px 16px;
    background: #f9fafb;
}

.cart-widget-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.cart-widget-total-label {
    font-size: 0.8rem;
    color: #6b7280;
}

.cart-widget-total-price {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--primary-color);
}

/* Кнопки виджета */
.cart-widget-checkout-btn {
    display: block;
    width: 100%;
    text-align: center;
    padding: 10px 16px;
    background: linear-gradient(135deg, var(--primary-color), #8b5cf6);
    color: var(--text-white);
    border-radius: 10px;
    font-size: 0.875rem;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.cart-widget-checkout-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
    color: var(--text-white);
}

/* Пустая корзина в виджете */
.cart-widget-empty {
    text-align: center;
    padding: 32px 20px;
}

.cart-widget-empty-icon {
    font-size: 2.5rem;
    margin-bottom: 10px;
    opacity: 0.3;
}

/* ====== LOADER (СПИННЕР) ====== */
.cart-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: var(--text-white);
    border-radius: 50%;
    animation: cartSpin 0.7s linear infinite;
    display: inline-block;
    flex-shrink: 0;
}

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

/* ====== ПЛАВАЮЩАЯ КНОПКА (мобильные) ====== */
.cart-fab {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color) 0%, #8b5cf6 100%);
    color: var(--text-white);
    border: none;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    z-index: 1050;
    text-decoration: none;
}

.cart-fab:hover {
    transform: scale(1.1) translateY(-2px);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.5);
    color: var(--text-white);
}

.cart-fab .cart-fab-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    width: 20px;
    height: 20px;
    background: #ec4899;
    border-radius: 50%;
    font-size: 0.65rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    border: 2px solid var(--text-white);
    box-shadow: 0 2px 6px rgba(236, 72, 153, 0.5);
}

.cart-fab.hidden {
    display: none !important;
}

@media (max-width: 768px) {
    .cart-fab {
        display: flex;
    }

    .cart-drawer {
        width: 100vw;
    }

    .cart-toast {
        right: 12px;
        left: 12px;
        max-width: none;
        bottom: 80px;
    }
}

/* ====== ТЕМНАЯ ТЕМА ====== */
.cart-drawer {
    background: #1e293b;
    box-shadow: -8px 0 40px rgba(0, 0, 0, 0.5);
}

.cart-item {
    border-bottom-color: #334155;
}

.cart-item:hover {
    background: #263548;
}

.cart-item-name {
    color: #f1f5f9;
}

.cart-drawer-footer {
    background: #1e293b;
    border-top-color: #334155;
}

.cart-total-row {
    background: linear-gradient(135deg, #2d1f6e30, #3b1f7430);
    border-color: rgba(99, 102, 241, 0.2);
}

.cart-widget {
    background: #1e293b !important;
}

.cart-widget-item {
    border-bottom-color: #334155;
}

.cart-widget-footer {
    background: #0f172a;
}

.cart-widget-item-name {
    color: #e2e8f0;
}

.cart-toast {
    background: #1e293b;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

.cart-toast-text strong {
    color: #f1f5f9;
}

.cart-empty-state h5 {
    color: #f1f5f9;
}

/* ====== ДВЕ КНОПКИ ОФОРМЛЕНИЯ ЗАКАЗА ====== */
.cart-checkout-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 0;
}

.cart-checkout-actions .cart-checkout-btn {
    box-shadow: none;
    border-radius: 12px;
    padding: 12px;
    font-size: 0.88rem;
}

.cart-checkout-quick {
    background: linear-gradient(135deg, var(--primary-color), #8b5cf6) !important;
    box-shadow: 0 4px 14px rgba(99,102,241,0.35) !important;
}

.cart-checkout-full {
    background: linear-gradient(135deg, #059669, var(--success-color)) !important;
    box-shadow: 0 4px 14px rgba(16,185,129,0.3) !important;
}

.cart-checkout-full:hover {
    box-shadow: 0 8px 24px rgba(16,185,129,0.45) !important;
    color: var(--text-white);
}

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