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

    :root {
        --primary: #0066CC;
        --secondary: #004A99;
        --light: #E8F4FD;
        --white: #FFFFFF;
        --dark: #1A1A1A;
        --gray: #666666;
        --success: #26DE81;
        --danger: #FF4757;
    }

    body {
        font-family: 'Inter', 'Segoe UI', sans-serif;
        color: var(--dark);
        background: #F8F9FA;
    }

    /* Top Navigation */
    .top-nav {
        background: var(--secondary);
        color: var(--white);
        padding: 1rem 5%;
        display: flex;
        justify-content: space-between;
        align-items: center;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        position: sticky;
        top: 0;
        z-index: 100;
    }

    .logo {
        font-size: 2rem;
        font-weight: 800;
        letter-spacing: 2px;
    }

    .nav-links {
        display: flex;
        gap: 2rem;
        align-items: center;
    }

    .nav-links a {
        color: var(--white);
        text-decoration: none;
        font-weight: 500;
        transition: opacity 0.3s ease;
    }

    .nav-links a:hover {
        opacity: 0.8;
    }

    /* Progress Bar */
    .checkout-progress {
        max-width: 1400px;
        margin: 3rem auto 2rem;
        padding: 0 5%;
    }

    .progress-steps {
        display: flex;
        justify-content: space-between;
        align-items: center;
        position: relative;
    }

    .progress-line {
        position: absolute;
        top: 25px;
        left: 10%;
        right: 10%;
        height: 3px;
        background: var(--light);
        z-index: 0;
    }

    .progress-line-fill {
        height: 100%;
        background: var(--primary);
        width: 0%;
        transition: width 0.5s ease;
    }

    .progress-step {
        display: flex;
        flex-direction: column;
        align-items: center;
        position: relative;
        z-index: 1;
    }

    .step-circle {
        width: 50px;
        height: 50px;
        border-radius: 50%;
        background: var(--white);
        border: 3px solid var(--light);
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 700;
        font-size: 1.2rem;
        color: var(--gray);
        margin-bottom: 0.8rem;
        transition: all 0.3s ease;
    }

    .progress-step.active .step-circle {
        background: var(--primary);
        color: var(--white);
        border-color: var(--primary);
        transform: scale(1.1);
    }

    .progress-step.completed .step-circle {
        background: var(--success);
        color: var(--white);
        border-color: var(--success);
    }

    .step-label {
        font-size: 0.95rem;
        font-weight: 600;
        color: var(--gray);
    }

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

    /* Page Header */
    .page-header {
        max-width: 1400px;
        margin: 2rem auto;
        padding: 0 5%;
    }

    .page-title {
        font-size: 2.5rem;
        font-weight: 800;
        color: var(--secondary);
        margin-bottom: 0.5rem;
    }

    .item-count {
        color: var(--gray);
        font-size: 1.1rem;
    }

    /* Main Cart Container */
    .cart-container {
        max-width: 1400px;
        margin: 0 auto 4rem;
        padding: 0 5%;
        display: grid;
        grid-template-columns: 1fr 400px;
        gap: 2rem;
    }

    /* Cart Items */
    .cart-items {
        display: flex;
        flex-direction: column;
        gap: 1.5rem;
    }

    .cart-item {
        background: var(--white);
        border-radius: 20px;
        padding: 2rem;
        display: grid;
        grid-template-columns: 120px 1fr auto;
        gap: 2rem;
        box-shadow: 0 5px 20px rgba(0,0,0,0.06);
        transition: all 0.3s ease;
        animation: slideIn 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    }

    @keyframes slideIn {
        from {
            opacity: 0;
            transform: translateX(-30px);
        }
        to {
            opacity: 1;
            transform: translateX(0);
        }
    }

    .cart-item:hover {
        box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    }

    .item-image {
        width: 120px;
        height: 120px;
        background: var(--light);
        border-radius: 15px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 3rem;
    }

    .item-details {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
    }

    .item-name {
        font-size: 1.3rem;
        font-weight: 700;
        color: var(--dark);
        margin-bottom: 0.5rem;
    }

    .item-meta {
        display: flex;
        gap: 1.5rem;
        color: var(--gray);
        font-size: 0.95rem;
        margin-bottom: 1rem;
    }

    .item-meta span {
        display: flex;
        align-items: center;
        gap: 0.3rem;
    }

    .item-actions {
        display: flex;
        gap: 1rem;
        align-items: center;
    }

    .quantity-control {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        background: var(--light);
        padding: 0.5rem;
        border-radius: 10px;
    }

    .qty-btn-cart {
        width: 35px;
        height: 35px;
        border: none;
        background: var(--white);
        color: var(--primary);
        border-radius: 8px;
        font-size: 1.2rem;
        font-weight: 700;
        cursor: pointer;
        transition: all 0.3s ease;
    }

    .qty-btn-cart:hover {
        background: var(--primary);
        color: var(--white);
    }

    .qty-display {
        min-width: 40px;
        text-align: center;
        font-weight: 700;
        font-size: 1.1rem;
    }

    .remove-btn {
        background: none;
        border: none;
        color: var(--danger);
        font-size: 1.5rem;
        cursor: pointer;
        padding: 0.5rem;
        transition: all 0.3s ease;
    }

    .remove-btn:hover {
        transform: scale(1.2);
    }

    .save-later-btn {
        background: none;
        border: 1px solid var(--gray);
        color: var(--gray);
        padding: 0.5rem 1rem;
        border-radius: 10px;
        cursor: pointer;
        font-size: 0.9rem;
        transition: all 0.3s ease;
    }

    .save-later-btn:hover {
        border-color: var(--primary);
        color: var(--primary);
    }

    .item-pricing {
        display: flex;
        flex-direction: column;
        align-items: flex-end;
        justify-content: space-between;
    }

    .item-price {
        font-size: 1.8rem;
        font-weight: 800;
        color: var(--primary);
    }

    .item-original-price {
        font-size: 1.1rem;
        color: var(--gray);
        text-decoration: line-through;
    }

    .item-savings {
        background: #FFF4E8;
        color: #FF8C00;
        padding: 0.4rem 0.8rem;
        border-radius: 10px;
        font-size: 0.85rem;
        font-weight: 600;
    }

    /* Empty Cart */
    .empty-cart {
        background: var(--white);
        border-radius: 20px;
        padding: 5rem 2rem;
        text-align: center;
        box-shadow: 0 5px 20px rgba(0,0,0,0.06);
    }

    .empty-cart-icon {
        font-size: 6rem;
        margin-bottom: 1.5rem;
        opacity: 0.5;
    }

    .empty-cart h2 {
        font-size: 2rem;
        color: var(--secondary);
        margin-bottom: 1rem;
    }

    .empty-cart p {
        color: var(--gray);
        font-size: 1.1rem;
        margin-bottom: 2rem;
    }

    .shop-now-btn {
        background: var(--primary);
        color: var(--white);
        padding: 1rem 2.5rem;
        border: none;
        border-radius: 15px;
        font-size: 1.1rem;
        font-weight: 700;
        cursor: pointer;
        transition: all 0.3s ease;
    }

    .shop-now-btn:hover {
        background: var(--secondary);
        transform: translateY(-3px);
        box-shadow: 0 10px 30px rgba(0,102,204,0.3);
    }

    /* Order Summary - Sticky */
    .order-summary {
        position: sticky;
        top: 100px;
        height: fit-content;
    }

    .summary-card {
        background: var(--white);
        border-radius: 20px;
        padding: 2rem;
        box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    }

    .summary-title {
        font-size: 1.8rem;
        font-weight: 800;
        color: var(--secondary);
        margin-bottom: 1.5rem;
    }

    .promo-code {
        margin-bottom: 2rem;
    }

    .promo-input-group {
        display: flex;
        gap: 0.5rem;
        margin-top: 0.8rem;
    }

    .promo-input {
        flex: 1;
        padding: 0.8rem 1rem;
        border: 2px solid var(--light);
        border-radius: 10px;
        font-size: 1rem;
        outline: none;
        transition: all 0.3s ease;
    }

    .promo-input:focus {
        border-color: var(--primary);
    }

    .apply-btn {
        background: var(--primary);
        color: var(--white);
        border: none;
        padding: 0.8rem 1.5rem;
        border-radius: 10px;
        font-weight: 600;
        cursor: pointer;
        transition: all 0.3s ease;
    }

    .apply-btn:hover {
        background: var(--secondary);
    }

    .summary-lines {
        border-top: 2px solid var(--light);
        border-bottom: 2px solid var(--light);
        padding: 1.5rem 0;
        margin-bottom: 1.5rem;
    }

    .summary-line {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 1rem;
        font-size: 1rem;
    }

    .summary-line:last-child {
        margin-bottom: 0;
    }

    .summary-line.discount {
        color: var(--success);
        font-weight: 600;
    }

    .summary-line.shipping {
        color: var(--success);
    }

    .summary-total {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 2rem;
        font-size: 1.5rem;
        font-weight: 800;
    }

    .total-amount {
        color: var(--primary);
        font-size: 2rem;
    }

    .checkout-btn {
        width: 100%;
        background: var(--primary);
        color: var(--white);
        border: none;
        padding: 1.3rem;
        border-radius: 15px;
        font-size: 1.2rem;
        font-weight: 700;
        cursor: pointer;
        transition: all 0.3s ease;
        margin-bottom: 1rem;
    }

    .checkout-btn:hover {
        background: var(--secondary);
        transform: translateY(-3px);
        box-shadow: 0 10px 30px rgba(0,102,204,0.3);
    }

    .continue-shopping {
        width: 100%;
        background: var(--light);
        color: var(--primary);
        border: 2px solid var(--primary);
        padding: 1rem;
        border-radius: 15px;
        font-size: 1rem;
        font-weight: 600;
        cursor: pointer;
        transition: all 0.3s ease;
    }

    .continue-shopping:hover {
        background: var(--primary);
        color: var(--white);
    }

    .secure-checkout {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 0.5rem;
        margin-top: 1.5rem;
        color: var(--gray);
        font-size: 0.9rem;
    }

    .payment-methods {
        display: flex;
        justify-content: center;
        gap: 0.8rem;
        margin-top: 1rem;
        padding-top: 1.5rem;
        border-top: 1px solid var(--light);
    }

    .payment-icon {
        width: 45px;
        height: 30px;
        background: var(--light);
        border-radius: 5px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.2rem;
    }

    /* Trust Badges */
    .trust-badges {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
        max-width: 1400px;
        margin: 3rem auto;
        padding: 0 5%;
    }

    .trust-badge {
        background: var(--white);
        padding: 1.5rem;
        border-radius: 15px;
        text-align: center;
        box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    }

    .trust-badge-icon {
        font-size: 2.5rem;
        margin-bottom: 0.8rem;
    }

    .trust-badge h4 {
        font-size: 1rem;
        color: var(--dark);
        margin-bottom: 0.3rem;
    }

    .trust-badge p {
        font-size: 0.85rem;
        color: var(--gray);
    }

    /* Responsive */
    @media (max-width: 1024px) {
        .cart-container {
            grid-template-columns: 1fr;
        }
        .order-summary {
            position: relative;
            top: 0;
        }
        .cart-item {
            grid-template-columns: 100px 1fr;
            gap: 1rem;
        }
        .item-pricing {
            grid-column: 2;
            align-items: flex-start;
            margin-top: 1rem;
        }
    }

    @media (max-width: 768px) {
        .page-title { font-size: 2rem; }
        .cart-item {
            grid-template-columns: 1fr;
            text-align: center;
        }
        .item-image {
            margin: 0 auto;
        }
        .item-meta {
            justify-content: center;
        }
        .item-actions {
            justify-content: center;
        }
        .item-pricing {
            align-items: center;
        }
        .trust-badges {
            grid-template-columns: 1fr;
        }
    }
    .cart-item img {
  width: 80px;
  height: 80px;
  border-radius: 10px;
  margin-right: 20px;
  object-fit: cover;
}