:root {
    --primary-color: #1a237e;
    --secondary-color: #304ffe;
    --accent-color: #2962ff;
    --success-color: #00c853;
    --danger-color: #d50000;
    --warning-color: #ffd600;
    --light-bg: #f8f9fa;
    --card-bg: #ffffff;
    --text-dark: #1a1a1a;
    --text-muted: #757575;
    --border-color: #e0e0e0;
    --border-radius: 12px;
    --shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    background: var(--light-bg);
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    color: var(--text-dark);
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
}

.cart-container {
    max-width: 1000px;
    margin: 40px auto 0 auto;
    background: var(--card-bg);
    box-shadow: var(--shadow);
    padding: 2.5rem 3rem;
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
    border-radius: var(--border-radius);
    backdrop-filter: blur(10px);
}

.cart-header h1 {
    font-size: 2.4rem;
    color: var(--primary-color);
    margin: 0 0 1rem 0;
    display: flex;
    align-items: center;
    gap: 1rem;
    letter-spacing: -0.02em;
    font-weight: 700;
}

.cart-header i {
    color: var(--secondary-color);
}

.cart-items {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.cart-item {
    display: flex;
    align-items: center;
    background: var(--light-bg);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    padding: 1.5rem;
    gap: 2rem;
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.cart-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.08);
}

.cart-item img {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: var(--border-radius);
    border: 2px solid var(--border-color);
    background: #fff;
    transition: var(--transition);
}

.cart-item .no-image {
    width: 90px;
    height: 90px;
    background: #f8f9fa;
    border: 2px dashed #dee2e6;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #6c757d;
    font-size: 24px;
}

.item-details {
    flex: 1 1 0;
    min-width: 0;
}

.item-details h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1.1rem;
    color: var(--primary-color);
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.item-details p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.97rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.quantity-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quantity-controls input[type="number"] {
    width: 60px;
    padding: 0.5rem 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    text-align: center;
    background: #fff;
    color: var(--primary-color);
    outline: none;
    transition: var(--transition);
    font-weight: 500;
    appearance: textfield;
    -moz-appearance: textfield;
    -webkit-appearance: textfield;
}

.quantity-controls input[type="number"]::-webkit-inner-spin-button,
.quantity-controls input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.quantity-controls input[type="number"]:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(48, 79, 254, 0.15);
}

.remove-btn {
    background: var(--danger-color);
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 0.5rem 0.7rem;
    cursor: pointer;
    font-size: 1.1rem;
    transition: background 0.2s;
}

.remove-btn:hover {
    background: #c0392b;
}

.price {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--accent-color);
    min-width: 90px;
    text-align: right;
}

.cart-summary {
    background: var(--light-bg);
    border-radius: var(--border-radius);
    box-shadow: 0 2px 8px rgba(44, 62, 80, 0.07);
    padding: 1.5rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    align-items: flex-end;
}

.cart-total {
    display: flex;
    justify-content: space-between;
    width: 100%;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-color);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.7rem;
    margin-bottom: 1rem;
}

.cart-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    background: var(--secondary-color);
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 0.9rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    position: relative;
    overflow: hidden;
}

.btn:hover, .btn:focus {
    background: var(--accent-color);
    outline: none;
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

.btn:active {
    transform: translateY(1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.btn-checkout {
    background: var(--success-color);
    color: #fff;
    font-size: 1.1rem;
    padding: 0.8rem 1.7rem;
    border-radius: 8px;
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(46, 204, 113, 0.09);
}

.btn-checkout:hover, .btn-checkout:focus {
    background: #27ae60;
}

.empty-cart {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 1rem;
    background: var(--light-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    gap: 1.2rem;
}

.empty-cart i {
    font-size: 3rem;
    color: var(--secondary-color);
}

.empty-cart p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin: 0;
}

@media (max-width: 1024px) {
    .cart-container {
        max-width: 98vw;
        padding: 1.2rem 0.7rem 1.7rem 0.7rem;
    }
    .cart-item img {
        width: 70px;
        height: 70px;
    }
    .cart-header h1 {
        font-size: 1.5rem;
    }
}

@media (max-width: 768px) {
    .cart-container {
        max-width: 100vw;
        padding: 0.7rem 0.2rem 1.2rem 0.2rem;
    }
    .cart-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.7rem;
        padding: 1rem 0.5rem;
    }
    .cart-item img {
        width: 60px;
        height: 60px;
    }
    .item-details h3 {
        font-size: 1rem;
    }
    .price {
        min-width: unset;
        text-align: left;
    }
    .cart-summary {
        align-items: stretch;
        padding: 1rem 0.5rem;
    }
    .cart-total {
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .cart-container {
        margin: 10px 0 0 0;
        padding: 0.3rem 0.1rem 0.7rem 0.1rem;
    }
    .cart-header h1 {
        font-size: 1.1rem;
    }
    .cart-item img {
        width: 45px;
        height: 45px;
    }
    .btn, .btn-checkout {
        font-size: 0.95rem;
        padding: 0.5rem 0.8rem;
    }
    .cart-summary {
        padding: 0.7rem 0.2rem;
    }
}