:root {
    --primary-blue: #004A99;
    --dark-bg: #F8F9FA;
    --light-bg: #FFFFFF;
    --text-white: #FFFFFF;
    --text-dark: #333333;
    --border-grey: #DEE2E6;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--dark-bg);
    margin: 0;
    padding: 0;
    color: var(--text-dark);
}

.header {
    background-color: #000;
    padding: 15px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cart-container {
    max-width: 900px;
    margin: 40px auto;
    background: white;
    border-radius: 12px;
    padding: 35px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
}

.cart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid #F0F0F0;
    padding-bottom: 20px;
}

.cart-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 25px 0;
    border-bottom: 1px solid #EEE;
}

.item-info h3 {
    margin: 0 0 10px;
}

.item-price {
    font-weight: bold;
    font-size: 18px;
}

.cart-totals {
    margin-top: 30px;
    background: #F9F9F9;
    padding: 20px;
    border-radius: 8px;
}

.total-row {
    display: flex;
    justify-content: space-between;
    margin: 10px 0;
}

.btn-checkout {
    background-color: var(--primary-blue);
    color: white;
    width: 100%;
    padding: 18px;
    border: none;
    border-radius: 8px;
    font-size: 20px;
    font-weight: bold;
    cursor: pointer;
    margin-top: 25px;
    transition: 0.3s;
}

.btn-checkout:hover {
    background-color: #003366;
}