/**
 * Cart Page Styles
 * Modern Swiggy/Zomato-inspired design
 * SK Bakers App - Self-contained stylesheet
 */

/* CSS Variables */
:root {
    /* Maroon/Magenta & White Theme - SK Bakers */
    --primary: #B03359;
    --primary-dark: #8C2847;
    --primary-light: #F8E0E8;
    --secondary: #D64D7A;
    --secondary-dark: #B03359;
    --accent: #B03359;
    --success: #22C55E;
    --warning: #F59E0B;
    --danger: #EF4444;
    --dark: #1F2937;
    --gray-600: #4B5563;
    --gray-500: #6B7280;
    --gray-400: #9CA3AF;
    --gray-300: #D1D5DB;
    --gray-200: #E5E7EB;
    --gray-100: #F3F4F6;
    --gray-50: #F9FAFB;
    --white: #FFFFFF;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--gray-200);
    color: var(--dark);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.app-container {
    min-height: 100vh;
    background: var(--white);
    position: relative;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* ========================================
   HEADER STYLES
   ======================================== */
.cart-header {
    background: linear-gradient(135deg, var(--primary) 0%, #1E7B46 50%, var(--primary-dark) 100%);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 15px rgba(22, 101, 52, 0.3);
}

.back-btn {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
    border: none;
    backdrop-filter: blur(10px);
}

.back-btn:hover {
    background: rgba(255, 255, 255, 0.35);
    transform: scale(1.05);
}

.header-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--white);
    letter-spacing: -0.02em;
}

.clear-cart-btn {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: var(--white);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
}

.clear-cart-btn:hover {
    background: rgba(255, 255, 255, 0.35);
    transform: scale(1.05);
}

/* ========================================
   MAIN CONTENT
   ======================================== */
.cart-main {
    flex: 1;
    padding-bottom: 100px;
    background: var(--gray-50);
    overflow-y: auto;
}

/* ========================================
   CART ITEMS SECTION
   ======================================== */
.cart-items-section {
    padding: 16px;
}

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

/* ========================================
   CART ITEM CARD
   ======================================== */
.cart-item-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    border: 1px solid var(--gray-200);
    position: relative;
    transition: var(--transition);
    animation: slideInCart 0.3s ease;
}

@keyframes slideInCart {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.cart-item-card.updating {
    animation: pulseUpdate 0.3s ease;
}

@keyframes pulseUpdate {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.02);
    }
}

.cart-item-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-color: var(--gray-300);
}

.cart-item-card.out-of-stock {
    opacity: 0.6;
}

.cart-item-card.out-of-stock::after {
    content: 'Out of Stock';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--danger);
    color: var(--white);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.875rem;
    z-index: 10;
}

.cart-item-content {
    display: flex;
    padding: 14px;
    gap: 14px;
    align-items: flex-start;
}

.cart-item-image-wrapper {
    position: relative;
    flex-shrink: 0;
}

.cart-item-image {
    width: 100px;
    height: 100px;
    border-radius: var(--radius);
    object-fit: cover;
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--gray-200) 100%);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
    display: block;
}

.cart-item-image:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.stock-badge {
    position: absolute;
    bottom: 4px;
    left: 4px;
    right: 4px;
    background: rgba(239, 68, 68, 0.95);
    color: var(--white);
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    text-align: center;
    backdrop-filter: blur(4px);
}

.cart-item-details {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 0;
}

.cart-item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 10px;
}

.cart-item-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--dark);
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.cart-item-delete {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--gray-100);
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 0.9rem;
}

.cart-item-delete:hover {
    background: #FEE2E2;
    color: var(--danger);
}

.cart-item-unit-price {
    font-size: 0.9rem;
    color: var(--gray-600);
    font-weight: 500;
    margin-top: 4px;
}

.cart-item-unit-price .unit-text {
    color: var(--gray-500);
    font-weight: 400;
    font-size: 0.85rem;
}

.cart-item-price-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 8px;
}

.cart-item-subtotal {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.01em;
}

/* ========================================
   QUANTITY SELECTOR
   ======================================== */
.quantity-selector {
    display: inline-flex;
    align-items: center;
    background: var(--gray-100);
    border-radius: 10px;
    overflow: hidden;
    height: 38px;
    border: 1px solid var(--gray-200);
}

.qty-btn {
    width: 38px;
    height: 38px;
    border: none;
    background: transparent;
    color: var(--primary);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.qty-btn:hover:not(:disabled) {
    background: var(--primary);
    color: var(--white);
}

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

.qty-value {
    min-width: 44px;
    text-align: center;
    font-weight: 600;
    font-size: 1rem;
    color: var(--dark);
    background: var(--white);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ========================================
   EMPTY CART STATE
   ======================================== */
.empty-cart-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 80px 24px;
    text-align: center;
    min-height: 60vh;
}

.empty-cart-icon {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--gray-200) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 28px;
}

.empty-cart-icon i {
    font-size: 3.5rem;
    color: var(--gray-400);
}

.empty-cart-state h2 {
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 10px;
}

.empty-cart-state p {
    font-size: 1rem;
    color: var(--gray-500);
    margin-bottom: 32px;
    max-width: 280px;
}

.btn-shop-now {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 36px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    text-decoration: none;
    border-radius: 14px;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    box-shadow: 0 4px 14px rgba(22, 101, 52, 0.4);
}

.btn-shop-now:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(22, 101, 52, 0.5);
}

/* ========================================
   SECTION HEADER
   ======================================== */
.section-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 18px 18px 14px;
}

.section-header i {
    font-size: 1.15rem;
    color: var(--primary);
}

.section-header h2 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--dark);
}

/* ========================================
   BILL DETAILS SECTION
   ======================================== */
.bill-section {
    background: var(--white);
    margin: 0 16px 16px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--gray-200);
}

.bill-section .section-header {
    border-bottom: 1px dashed var(--gray-200);
}

.bill-card {
    padding: 16px 18px;
}

.bill-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 11px 0;
    font-size: 0.95rem;
}

.bill-row span:first-child {
    color: var(--gray-600);
}

.bill-row span:last-child {
    font-weight: 500;
    color: var(--dark);
}

.free-badge {
    background: #DCFCE7;
    color: var(--success);
    padding: 3px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.discount-row .discount-amount {
    color: var(--success);
    font-weight: 600;
}

.bill-divider {
    height: 1px;
    background: linear-gradient(to right, transparent, var(--gray-300), transparent);
    margin: 10px 0;
}

.bill-total {
    padding-top: 14px;
    margin-top: 4px;
}

.bill-total span:first-child {
    font-weight: 600;
    color: var(--dark);
    font-size: 1rem;
}

.bill-total span:last-child {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.02em;
}

.delivery-time-info {
    display: none !important; /* Hidden - not needed */
}

.delivery-time-info i {
    color: var(--primary);
    font-size: 0.9rem;
}

.delivery-time-info strong {
    color: var(--primary);
    font-weight: 600;
}

/* ========================================
   COUPON SECTION
   ======================================== */
.coupon-section {
    padding: 0 16px 16px;
}

.coupon-card {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 18px;
    background: var(--white);
    border-radius: 14px;
    border: 2px dashed var(--primary);
    cursor: pointer;
    transition: var(--transition);
}

.coupon-card:hover {
    background: var(--primary-light);
}

.coupon-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.coupon-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.coupon-label {
    font-weight: 600;
    color: var(--dark);
    font-size: 0.98rem;
}

.coupon-hint {
    font-size: 0.82rem;
    color: var(--gray-500);
}

.coupon-arrow {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--gray-100);
    border: none;
    color: var(--gray-500);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.coupon-card:hover .coupon-arrow {
    background: var(--primary);
    color: var(--white);
}

.coupon-card.applied {
    background: #DCFCE7;
    border-color: var(--success);
}

.coupon-card.applied .coupon-icon {
    background: var(--success);
    color: var(--white);
}

.coupon-card.applied .coupon-label {
    color: var(--success);
}

.coupon-applied-code {
    font-weight: 700;
    color: var(--success);
}

.remove-coupon {
    color: var(--danger);
    font-size: 0.82rem;
    cursor: pointer;
    text-decoration: underline;
}

/* ========================================
   PAYMENT SECTION
   ======================================== */
.payment-section {
    background: var(--white);
    margin: 0 16px 16px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--gray-200);
}

.payment-options {
    padding: 0 16px 18px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.payment-option {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 16px;
    border: 2px solid var(--gray-200);
    border-radius: 14px;
    cursor: pointer;
    transition: var(--transition);
    flex-wrap: wrap;
    background: var(--white);
}

.payment-option:hover {
    border-color: var(--gray-300);
    background: var(--gray-50);
}

.payment-option.selected {
    border-color: var(--primary);
    background: var(--primary-light);
}

.payment-radio {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 2px solid var(--gray-300);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 2px;
    transition: var(--transition);
}

.payment-option.selected .payment-radio {
    border-color: var(--primary);
}

.radio-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary);
    transform: scale(0);
    transition: var(--transition);
}

.payment-option.selected .radio-dot {
    transform: scale(1);
}

.payment-content {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
}

.payment-icon {
    width: 46px;
    height: 46px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.payment-icon.upi {
    background: #E8F5E9;
    color: #2E7D32;
}

.payment-icon.card {
    background: #E3F2FD;
    color: #1565C0;
}

.payment-icon.netbanking {
    background: #FFF3E0;
    color: #E65100;
}

.payment-icon.cod {
    background: #F3E5F5;
    color: #7B1FA2;
}

.payment-details {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.payment-name {
    font-weight: 600;
    font-size: 0.98rem;
    color: var(--dark);
}

.payment-desc {
    font-size: 0.82rem;
    color: var(--gray-500);
}

.upi-apps {
    display: flex;
    gap: 10px;
    width: 100%;
    margin-top: 12px;
    padding-left: 38px;
}

.upi-apps img {
    height: 26px;
    width: auto;
    border-radius: 4px;
    opacity: 0.85;
    transition: var(--transition);
}

.upi-apps img:hover {
    opacity: 1;
    transform: scale(1.1);
}

/* ========================================
   CHECKOUT FOOTER
   ======================================== */
.checkout-spacer {
    height: 130px;
}

.checkout-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--white);
    border-top: 1px solid var(--gray-200);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
    z-index: 100;
    padding: 18px 20px;
    padding-bottom: calc(18px + env(safe-area-inset-bottom));
}

.checkout-summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

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

.total-label {
    font-size: 0.82rem;
    color: var(--gray-500);
}

.total-amount {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.02em;
}

.btn-checkout {
    flex: 1;
    max-width: 240px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 24px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    border: none;
    border-radius: 14px;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 14px rgba(22, 101, 52, 0.4);
}

.btn-checkout:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(22, 101, 52, 0.5);
}

.btn-checkout:disabled {
    background: var(--gray-300);
    color: var(--gray-500);
    cursor: not-allowed;
    box-shadow: none;
}

.btn-checkout i {
    font-size: 0.9rem;
    transition: var(--transition);
}

.btn-checkout:hover:not(:disabled) i {
    transform: translateX(4px);
}

/* ========================================
   MODAL STYLES
   ======================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
    backdrop-filter: blur(4px);
}

.modal-overlay.active {
    display: flex;
    animation: modalFadeIn 0.2s ease;
}

@keyframes modalFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-container {
    background: var(--white);
    border-radius: 20px;
    width: 100%;
    max-width: 360px;
    padding: 32px 24px;
    text-align: center;
    animation: modalSlideUp 0.3s ease;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

@keyframes modalSlideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-icon {
    width: 76px;
    height: 76px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 22px;
    font-size: 1.9rem;
}

.modal-icon.warning {
    background: #FEE2E2;
    color: var(--danger);
}

.modal-icon.success {
    background: #DCFCE7;
    color: var(--success);
}

.modal-container h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 10px;
}

.modal-container > p {
    font-size: 0.95rem;
    color: var(--gray-500);
    margin-bottom: 28px;
    line-height: 1.5;
}

.modal-actions {
    display: flex;
    gap: 12px;
}

.btn-cancel,
.btn-confirm {
    flex: 1;
    padding: 14px;
    border-radius: 12px;
    font-family: 'Poppins', sans-serif;
    font-size: 0.98rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-cancel {
    background: var(--gray-100);
    border: 1px solid var(--gray-200);
    color: var(--gray-600);
}

.btn-cancel:hover {
    background: var(--gray-200);
}

.btn-confirm {
    background: var(--danger);
    border: none;
    color: var(--white);
}

.btn-confirm:hover {
    background: #DC2626;
}

/* ========================================
   ORDER SUMMARY MODAL
   ======================================== */
.modal-container.order-summary {
    max-width: 420px;
    padding: 0;
    text-align: left;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-200);
    background: var(--gray-50);
    border-radius: 20px 20px 0 0;
}

.modal-header h3 {
    margin: 0;
    font-size: 1.15rem;
}

.close-modal {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--gray-200);
    border: none;
    color: var(--gray-600);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-modal:hover {
    background: var(--gray-300);
}

.modal-body {
    padding: 20px 24px;
    overflow-y: auto;
    flex: 1;
}

.summary-items {
    max-height: 200px;
    overflow-y: auto;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--gray-100);
}

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

.summary-item-name {
    font-size: 0.92rem;
    color: var(--dark);
}

.summary-item-qty {
    font-size: 0.85rem;
    color: var(--gray-500);
}

.summary-item-price {
    font-weight: 600;
    color: var(--dark);
}

.summary-divider {
    height: 1px;
    background: var(--gray-200);
    margin: 18px 0;
}

.summary-details {
    margin-bottom: 18px;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    padding: 9px 0;
    font-size: 0.92rem;
}

.summary-row.total {
    padding-top: 14px;
    border-top: 1px dashed var(--gray-300);
    margin-top: 10px;
    font-weight: 600;
}

.summary-row.total span:last-child {
    font-size: 1.15rem;
    color: var(--primary);
}

.summary-payment {
    display: flex;
    justify-content: space-between;
    padding: 14px 18px;
    background: var(--gray-50);
    border-radius: 10px;
    font-size: 0.92rem;
}

.summary-payment span:first-child {
    color: var(--gray-600);
}

.summary-payment span:last-child {
    font-weight: 600;
    color: var(--dark);
}

.modal-footer {
    padding: 20px 24px;
    border-top: 1px solid var(--gray-200);
}

.btn-place-order {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    border: none;
    border-radius: 14px;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 14px rgba(22, 101, 52, 0.4);
}

.btn-place-order:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(22, 101, 52, 0.5);
}

/* ========================================
   COUPON MODAL
   ======================================== */
.modal-container.coupon-modal {
    max-width: 400px;
    padding: 0;
    text-align: left;
}

.coupon-input-group {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
}

.coupon-input-group input {
    flex: 1;
    padding: 14px 16px;
    border: 2px solid var(--gray-200);
    border-radius: 10px;
    font-family: 'Poppins', sans-serif;
    font-size: 0.95rem;
    text-transform: uppercase;
    transition: var(--transition);
}

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

.btn-apply-coupon {
    padding: 14px 24px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 10px;
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-apply-coupon:hover {
    background: var(--primary-dark);
}

.available-coupons h4 {
    font-size: 0.92rem;
    color: var(--gray-600);
    margin-bottom: 14px;
}

.coupon-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    border: 1px dashed var(--gray-300);
    border-radius: 10px;
    margin-bottom: 12px;
    background: var(--gray-50);
}

.coupon-left {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.coupon-code-text {
    font-weight: 700;
    color: var(--primary);
    font-size: 0.98rem;
    letter-spacing: 1px;
}

.coupon-description {
    font-size: 0.82rem;
    color: var(--gray-500);
}

.btn-apply-small {
    padding: 8px 18px;
    background: var(--white);
    border: 2px solid var(--primary);
    color: var(--primary);
    border-radius: 8px;
    font-family: 'Poppins', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

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

/* ========================================
   LOADING OVERLAY
   ======================================== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.92);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.loading-overlay.active {
    display: flex;
}

.loading-spinner {
    width: 54px;
    height: 54px;
    border: 4px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ========================================
   TOAST NOTIFICATIONS
   ======================================== */
#toast-container {
    position: fixed;
    bottom: 130px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    padding: 14px 24px;
    background: var(--dark);
    color: var(--white);
    border-radius: 12px;
    font-size: 0.92rem;
    font-weight: 500;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    animation: toastSlideIn 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    white-space: nowrap;
}

.toast.success {
    background: var(--success);
}

.toast.error {
    background: var(--danger);
}

.toast.info {
    background: #3B82F6;
}

@keyframes toastSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 480px) {
    .cart-header {
        padding: 14px 16px;
    }

    .header-title {
        font-size: 1.15rem;
    }

    .back-btn,
    .clear-cart-btn {
        width: 38px;
        height: 38px;
    }

    .cart-items-section {
        padding: 12px;
    }

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

    .cart-item-image {
        width: 85px;
        height: 85px;
    }

    .cart-item-name {
        font-size: 0.95rem;
    }

    .quantity-selector {
        height: 34px;
    }

    .qty-btn {
        width: 34px;
        height: 34px;
    }

    .qty-value {
        min-width: 38px;
        font-size: 0.92rem;
    }

    .bill-section,
    .payment-section {
        margin: 0 12px 12px;
    }

    .coupon-section {
        padding: 0 12px 12px;
    }

    .checkout-footer {
        padding: 14px 16px;
    }

    .btn-checkout {
        padding: 14px 20px;
        font-size: 0.95rem;
    }

    .total-amount {
        font-size: 1.25rem;
    }

    .payment-option {
        padding: 14px;
    }

    .upi-apps {
        padding-left: 32px;
    }

    .modal-container {
        padding: 26px 20px;
        border-radius: 18px;
    }
}

@media (max-width: 360px) {
    .cart-item-image {
        width: 75px;
        height: 75px;
    }

    .cart-item-name {
        font-size: 0.9rem;
    }

    .cart-item-subtotal {
        font-size: 1rem;
    }

    .btn-checkout {
        padding: 12px 16px;
    }
}

/* Desktop Enhancement */
@media (min-width: 768px) {
    .cart-header {
        padding: 20px 40px;
    }

    .header-title {
        font-size: 1.5rem;
    }

    .cart-main {
        max-width: 1200px;
        margin: 0 auto;
        padding: 20px 40px 120px;
    }

    .cart-items-section {
        padding: 20px 0;
    }

    .cart-items-list {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
        gap: 20px;
    }

    .cart-item-card {
        border-radius: 16px;
    }

    .cart-item-content {
        padding: 20px;
        gap: 20px;
    }

    .cart-item-image {
        width: 120px;
        height: 120px;
    }

    .bill-section,
    .payment-section {
        max-width: 600px;
        margin: 0 auto 20px;
    }

    .coupon-section {
        max-width: 600px;
        margin: 0 auto;
        padding: 0 0 20px;
    }

    .checkout-footer {
        padding: 20px 40px;
    }

    .checkout-summary {
        max-width: 1200px;
        margin: 0 auto;
    }

    .btn-checkout {
        max-width: 300px;
    }

    .empty-cart-state {
        min-height: 50vh;
    }

    .empty-cart-icon {
        width: 180px;
        height: 180px;
    }

    .empty-cart-icon i {
        font-size: 4.5rem;
    }

    .empty-cart-state h2 {
        font-size: 2rem;
    }

    .empty-cart-state p {
        font-size: 1.1rem;
        max-width: 400px;
    }

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

    .payment-option {
        margin: 0;
    }
}

/* Large Desktop */
@media (min-width: 1200px) {
    .cart-main {
        padding: 30px 60px 120px;
    }

    .cart-items-list {
        grid-template-columns: repeat(2, 1fr);
    }

    .checkout-footer {
        padding: 24px 60px;
    }
}

/* ========================================
   CUSTOMER DETAILS SECTION
   ======================================== */
.customer-details-section {
    background: var(--white);
    margin: 16px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--gray-200);
}

.customer-details-section .section-header {
    border-bottom: 1px dashed var(--gray-200);
    background: linear-gradient(135deg, var(--primary-light) 0%, #f0fdf4 100%);
}

.customer-details-section .section-header i {
    color: var(--primary);
}

.customer-details-card {
    padding: 20px;
}

.customer-input-group {
    margin-bottom: 18px;
}

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

.customer-input-group label {
    display: flex !important;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 10px;
}

.customer-input-group label i {
    color: var(--primary);
    font-size: 0.9rem;
    width: 18px;
}

.customer-input-group label .required {
    color: var(--danger);
    font-weight: 700;
}

.customer-input-group input,
.customer-input-group textarea {
    display: block !important;
    width: 100% !important;
    padding: 14px 16px;
    border: 2px solid var(--gray-200);
    border-radius: 12px;
    font-size: 0.95rem;
    font-family: 'Poppins', sans-serif;
    color: var(--dark);
    transition: var(--transition);
    background: var(--white);
    outline: none;
    box-sizing: border-box;
}

.customer-input-group input:focus,
.customer-input-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(22, 101, 52, 0.1);
}

.customer-input-group input::placeholder,
.customer-input-group textarea::placeholder {
    color: var(--gray-400);
}

.customer-input-group input.error,
.customer-input-group textarea.error {
    border-color: var(--danger);
    background: #FEF2F2;
}

.customer-input-group input.error:focus,
.customer-input-group textarea.error:focus {
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.1);
}

.customer-input-group input.valid,
.customer-input-group textarea.valid {
    border-color: var(--success);
    background: #F0FDF4;
}

.customer-input-group textarea {
    resize: vertical;
    min-height: 90px;
    line-height: 1.5;
}

.customer-input-group .input-error {
    display: none !important;
    color: var(--danger);
    font-size: 0.8rem;
    margin-top: 6px;
    padding-left: 26px;
}

.customer-input-group .input-error.show {
    display: block !important;
}

/* Desktop Responsive for Customer Details */
@media (min-width: 768px) {
    .customer-details-section {
        max-width: 600px;
        margin: 20px auto;
    }

    .customer-details-card {
        padding: 24px;
    }

    .customer-input-group {
        margin-bottom: 20px;
    }

    .customer-input-group input,
    .customer-input-group textarea {
        padding: 16px 18px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .customer-details-section {
        margin: 12px;
    }

    .customer-details-card {
        padding: 16px;
    }

    .customer-input-group label {
        font-size: 0.85rem;
    }

    .customer-input-group input,
    .customer-input-group textarea {
        padding: 12px 14px;
        font-size: 0.9rem;
    }
}