:root {
    --checkout-section-bg: #FFFFFF;
    --checkout-container-bg: #F7F7F7;
    --checkout-product-divider: #000000;
    --checkout-product-title-color: #000000;
    --checkout-product-price-color: #FF0000;
    --form-label-color: #000000;
    --form-input-border: #C2C2C2;
    --form-input-bg: #FFFFFF;
    --qty-control-border: #BDBDBD;
    --qty-btn-bg: #ffffff;
    --qty-btn-hover-bg: #FFFFFF;
    --qty-input-bg: transparent;
    --bill-box-bg: #EDEDED;
    --bill-heading-color: #000000;
    --bill-item-color: #000000;
    --bill-total-border: #000000;
    --bill-total-color: #1a1a1a;
    --btn-submit-bg: #000000;
    --btn-submit-color: #FFFFFF;
    --btn-submit-hover-bg: #474747;
    --checkout-mobile-divider: #000000;
}

/* --- CHECKOUT SECTION STYLES --- */
.checkout-section {
    padding: 60px 5%;
    background-color: var(--checkout-section-bg);
}
.checkout-container {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 40px;
    background: var(--checkout-container-bg);
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}
.checkout-product-info {
    border-right: 1px solid var(--checkout-product-divider);
    padding-right: 30px;
}
.checkout-img {
    width: 100%;
    border-radius: 15px;
    margin-bottom: 15px;
}
.checkout-product-title {
    font-family: 'Playfair Display', serif;
    font-size: 22px;
    margin-bottom: 5px;
    color: var(--checkout-product-title-color);
}
.checkout-product-price {
    color: var(--checkout-product-price-color);
    font-weight: 700;
    font-size: 18px;
    margin-bottom: 20px;
}
/* Form Styles */
.form-group { margin-bottom: 15px; }
.form-row { display: flex; gap: 15px; margin-bottom: 15px; }
.form-row .form-group { flex: 1; margin-bottom: 0; }
label { 
    display: block; font-size: 11px; font-weight: 700; 
    text-transform: uppercase; margin-bottom: 8px; color: var(--form-label-color); 
    letter-spacing: 0.5px;
}
input, select {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--form-input-border);
    border-radius: 8px;
    font-family: inherit;
    font-size: 14px;
    outline: none;
    background: var(--form-input-bg);
}
/* Quantity Plus Minus Styling */
.quantity-control {
    display: flex;
    align-items: center;
    border: 1px solid var(--qty-control-border);
    border-radius: 8px;
    width: fit-content;
    overflow: hidden;
}
.qty-btn {
    background: var(--qty-btn-bg);
    border: none;
    width: 40px;
    height: 44px;
    cursor: pointer;
    font-size: 12px;
    transition: 0.3s;
}
.qty-btn:hover {
    background: var(--qty-btn-hover-bg);
}
#order-qty {
    width: 50px;
    text-align: center;
    border: none;
    background: var(--qty-input-bg);
    font-weight: 700;
    appearance: none;
    -moz-appearance: textfield; /* Firefox hide arrows */
}
#order-qty::-webkit-inner-spin-button, 
#order-qty::-webkit-outer-spin-button { 
    -webkit-appearance: none; /* Chrome hide arrows */
}
/* Billing Box */
.live-bill {
    background: var(--bill-box-bg);
    padding: 20px;
    border-radius: 12px;
    margin-top: 25px;
}
.bill-heading {
    margin-bottom: 15px;
    text-transform: uppercase;
    font-size: 13px;
    letter-spacing: 1px;
    color: var(--bill-heading-color);
}
.bill-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-size: 14px;
    color: var(--bill-item-color);
}
.total-row {
    border-top: 2px solid var(--bill-total-border);
    padding-top: 10px;
    font-weight: 700;
    font-size: 18px;
    color: var(--bill-total-color);
}
.btn-submit-order {
    width: 100%;
    background: var(--btn-submit-bg);
    color: var(--btn-submit-color);
    padding: 18px;
    border: none;
    border-radius: 50px;
    font-weight: 700;
    text-transform: uppercase;
    cursor: pointer;
    margin-top: 20px;
    transition: 0.4s;
}
.btn-submit-order:hover {
    background: var(--btn-submit-hover-bg);
}
@media (max-width: 768px) {
    .checkout-container { grid-template-columns: 1fr; }
    .checkout-product-info { border-right: none; border-bottom: 1px solid var(--checkout-mobile-divider); padding-bottom: 20px; }
}