/* ===============================================
   CART PAGE RESPONSIVE ENHANCEMENTS
   Enhanced for all devices with smooth UX
   =============================================== */

/* Base Responsive Improvements */
* {
    -webkit-tap-highlight-color: transparent;
}

html {
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

/* Touch-friendly buttons */
button, a {
    touch-action: manipulation;
}

/* Smooth scrolling for checkout progress */
.checkout-progress {
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: rgba(15, 23, 42, 0.2) transparent;
}

.checkout-progress::-webkit-scrollbar {
    height: 4px;
}

.checkout-progress::-webkit-scrollbar-thumb {
    background: rgba(15, 23, 42, 0.2);
    border-radius: 2px;
}

/* Cart item hover effects */
.cart-item:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    transform: translateY(-2px);
}

/* Enhanced button interactions */
.quantity-btn:active,
.checkout-btn:active,
.remove-btn:active {
    transform: scale(0.95);
}

/* ======================
   TABLET (1024px)
   ====================== */
@media (max-width: 1024px) {
    .cart-page {
        padding: 3rem 0 4rem;
    }

    .cart-shell {
        padding: 0 1.25rem;
    }

    #cartLayout.cart-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .cart-summary {
        position: relative;
        top: 0;
        margin-top: 2rem;
        padding: 2rem;
    }

    .cart-header {
        padding: 2rem;
    }

    .checkout-progress {
        padding: 1.5rem;
        gap: 1rem;
    }

    .checkout-progress .step {
        min-width: 140px;
    }

    .cart-item {
        padding: 1.75rem;
        gap: 1.25rem;
    }

    .checkout-btn {
        font-size: 1rem;
        padding: 1rem 2rem;
    }
}

/* ======================
   MOBILE (768px)
   ====================== */
@media (max-width: 768px) {
    .cart-page {
        padding: 2rem 0 3rem;
    }

    .cart-shell {
        padding: 0 1rem;
    }

    .cart-header {
        padding: 1.75rem 1.5rem;
        border-radius: 12px;
    }

    .cart-header h1 {
        font-size: 1.75rem;
        line-height: 1.3;
    }

    .cart-header-subtitle {
        font-size: 0.9375rem;
    }

    .checkout-progress {
        padding: 1.25rem;
        margin-bottom: 2rem;
        gap: 0.75rem;
        border-radius: 12px;
    }

    .checkout-progress .step {
        min-width: 120px;
    }

    .step-marker {
        width: 40px;
        height: 40px;
        font-size: 0.95rem;
    }

    .step-title {
        font-size: 0.8125rem;
    }

    .step-caption {
        font-size: 0.6875rem;
    }

    .cart-item {
        grid-template-columns: 90px minmax(0, 1fr);
        padding: 1.5rem;
        gap: 1rem;
        border-radius: 12px;
    }

    .item-image {
        width: 90px;
        height: 90px;
        border-radius: 10px;
    }

    .item-name {
        font-size: 1rem;
    }

    .item-price {
        font-size: 1.125rem;
    }

    .item-actions {
        grid-column: 1 / -1;
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        gap: 1rem;
        margin-top: 0.75rem;
    }

    .quantity-control {
        margin: 0;
    }

    .item-total {
        text-align: left;
        margin-top: 0;
    }

    .cart-summary {
        padding: 1.75rem;
        border-radius: 16px;
    }

    .summary-title {
        font-size: 1.25rem;
    }

    .checkout-btn {
        padding: 1rem 1.5rem;
        font-size: 0.95rem;
    }

    .continue-shopping {
        font-size: 0.9rem;
        padding: 0.875rem 1rem;
    }

    .support-card {
        padding: 1.25rem;
        font-size: 0.9375rem;
    }
}

/* ======================
   SMALL MOBILE (540px)
   ====================== */
@media (max-width: 540px) {
    .cart-page {
        padding: 1.5rem 0 2.5rem;
    }

    .cart-shell {
        padding: 0 0.875rem;
    }

    .cart-header {
        padding: 1.5rem 1.25rem;
        border-radius: 10px;
    }

    .cart-header h1 {
        font-size: 1.5rem;
    }

    .cart-header-subtitle {
        font-size: 0.875rem;
    }

    .cart-header-count {
        font-size: 0.875rem;
    }

    .checkout-progress {
        padding: 1rem;
        margin-bottom: 1.5rem;
        gap: 0.5rem;
        border-radius: 10px;
    }

    .checkout-progress .step {
        min-width: 110px;
    }

    .step-marker {
        width: 44px;
        height: 44px;
    }

    .step-title {
        font-size: 0.875rem;
    }

    .step-caption {
        font-size: 0.6875rem;
    }

    .cart-item {
        grid-template-columns: 1fr;
        padding: 1.25rem;
        gap: 1rem;
        border-radius: 10px;
    }

    .item-image {
        width: 100%;
        height: 200px;
        border-radius: 8px;
        object-fit: cover;
    }

    .item-name {
        font-size: 1.0625rem;
    }

    .item-price {
        font-size: 1.25rem;
        margin-top: 0.5rem;
    }

    .item-meta {
        font-size: 0.8125rem;
    }

    .item-actions {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
        margin-top: 1rem;
    }

    .quantity-control {
        width: 100%;
        justify-content: space-between;
    }

    .quantity-btn {
        width: 44px;
        height: 44px;
        font-size: 1.125rem;
    }

    .quantity-value {
        font-size: 1rem;
        min-width: 50px;
    }

    .remove-btn {
        width: 100%;
        padding: 0.875rem;
        font-size: 0.9rem;
    }

    .item-total {
        text-align: center;
        margin-top: 0.75rem;
        padding-top: 0.75rem;
        border-top: 1px solid #e2e8f0;
    }

    .item-total .label {
        font-size: 0.875rem;
    }

    .item-total .value {
        font-size: 1.375rem;
    }

    .cart-summary {
        padding: 1.5rem;
        border-radius: 12px;
    }

    .summary-title {
        font-size: 1.125rem;
    }

    .summary-row {
        font-size: 0.9375rem;
    }

    .total-row {
        font-size: 1.125rem;
    }

    .checkout-btn {
        padding: 1.125rem 1.25rem;
        font-size: 1rem;
        border-radius: 10px;
    }

    .continue-shopping {
        font-size: 0.875rem;
        padding: 0.75rem;
    }

    .support-card {
        padding: 1rem;
        font-size: 0.875rem;
        line-height: 1.6;
    }

    .empty-cart-message h2 {
        font-size: 1.5rem;
    }

    .empty-cart-message p {
        font-size: 0.9375rem;
    }
}

/* ======================
   EXTRA SMALL (375px)
   ====================== */
@media (max-width: 375px) {
    .cart-shell {
        padding: 0 0.75rem;
    }

    .cart-header {
        padding: 1.25rem 1rem;
    }

    .cart-header h1 {
        font-size: 1.375rem;
    }

    .checkout-progress {
        padding: 0.875rem;
    }

    .cart-item {
        padding: 1rem;
    }

    .item-image {
        height: 180px;
    }

    .cart-summary {
        padding: 1.25rem;
    }

    .checkout-btn {
        padding: 1rem;
        font-size: 0.9375rem;
    }
}

/* ======================
   LANDSCAPE PHONES
   ====================== */
@media (max-width: 896px) and (orientation: landscape) {
    .cart-page {
        padding: 1.5rem 0;
    }

    .cart-header {
        padding: 1.25rem 1.5rem;
    }

    .checkout-progress {
        padding: 1rem;
    }

    .cart-item {
        grid-template-columns: 80px minmax(0, 1fr);
        padding: 1.25rem;
    }

    .item-image {
        width: 80px;
        height: 80px;
    }
}

/* ======================
   PRINT STYLES
   ====================== */
@media print {
    .cart-header,
    .checkout-progress,
    .checkout-btn,
    .continue-shopping,
    .remove-btn,
    .quantity-control {
        display: none !important;
    }

    .cart-item {
        page-break-inside: avoid;
    }
}