.checkout-container {
    display: flex;
    padding: 120px 0px;
    max-width: 1200px;
    margin: 0 auto;
}

/* ส่วนซ้ายฟอร์ม */
.checkout-main {
    flex: 0 0 60%;
    padding-right: 6%;
}

/* ส่วนขวาตะกร้าสรุปผล */
.checkout-sidebar {
    flex: 0 0 40%;
    border-left: 1px solid #E1E1E1;
    padding-left: 4%;
}

/* Section Common Styling */
.checkout-section {
    margin-bottom: 35px;
}

.checkout-section h2 {
    font-size: 15px;
    font-weight: bold;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
}

.sign-in-link {
    color: var(--text-dark);
    font-size: 13px;
    text-decoration: underline;
}

/* Grid & Inputs Form Controls */
.form-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 15px;
}
.form-group.grid-third {
    grid-column: span 2 !important;
}

/* Responsive adjustment for small mobile screens to prevent squishing */
@media (max-width: 480px) {
    .form-group.grid-third {
        grid-column: span 6 !important; /* Stack vertically on small mobile displays */
    }
}

.form-group {
    position: relative;
    grid-column: span 3; /* แบ่งคนละครึ่งเป็นดีฟอลต์ */
}

.form-group.full-width {
    grid-column: span 6;
}
.form-group.select-wrapper.full-width {
    grid-column: span 6 !important; 
    width: 100%;
}

.form-group.select-wrapper {
    grid-column: span 2; /* สำหรับชุด City / State / Zip */
}

/* Inputs & Labels (Floating Label Effect เหมือนในรูป) */
.form-group input, .form-group select {
    width: 100%;
    padding: 14px 12px;
    border: 1px solid var(--border-color);
    font-size: 13px;
    outline: none;
    box-sizing: border-box;
}

.form-group.floating-label label {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 11px;
    pointer-events: none;
    transition: 0.2s ease all;
    background: #FFFFFF;
    padding: 0 4px;
}

/* เอฟเฟกต์ยก Label หนีเมื่อมีการโฟกัสหรือกรอกข้อมูล */
.form-group.floating-label input:focus ~ label,
.form-group.floating-label input:not(:placeholder-shown) ~ label {
    top: 0;
    font-size: 10px;
    color: var(--text-dark);
    font-weight: bold;
}

.form-subtext {
    font-size: 10px;
    color: var(--text-muted);
    display: block;
    margin-top: 6px;
    letter-spacing: 0.5px;
}

/* Static label for Dropdowns */
.static-label {
    position: absolute;
    top: -6px;
    left: 12px;
    font-size: 10px;
    font-weight: bold;
    background: #FFF;
    padding: 0 4px;
}

/* Delivery Option Box */
.delivery-option-box {
    border: 1px solid var(--border-color);
    padding: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    font-size: 13px;
}

.option-title {
    display: block;
    font-weight: bold;
    font-size: 11px;
    color: var(--text-muted);
    margin-bottom: 4px;
}

/* Bank Transfer Box */
.bank-transfer-box {
    border: 1px solid var(--border-color);
    padding: 20px;
}

.bank-header {
    display: flex;
    align-items: center;
    border-bottom: 1px solid #E1E1E1;
    padding-bottom: 15px;
    margin-bottom: 15px;
}

.bank-account-info p {
    margin: 4px 0;
    font-size: 13px;
}

.bank-body p {
    font-size: 11px;
    line-height: 1.6;
    color: var(--text-muted);
}

.bank-body .instruction-text {
    margin-bottom: 15px;
}

/* Place Order Button */
.btn-place-order {
    width: 100%;
    background-color: var(--primary);
    color: #FFFFFF;
    border: none;
    padding: 16px;
    font-size: 14px;
    font-weight: bold;
    letter-spacing: 1px;
    cursor: pointer;
    margin-top: 25px;
    transition: background 0.2s ease;
}

.btn-place-order:hover {
    background-color: var(--primary-dark);
}

/* --- SIDEBAR RIGHT --- */
.cart-items-summary {
    margin-bottom: 30px;
}

.summary-item-row {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    font-size: 12px;
    font-weight: bold;
}

.product-thumb-wrapper {
    position: relative;
    width: 65px;
    height: 65px;
    border: 1px solid #E1E1E1;
    border-radius: 0px;
    background-color: #FFF;
    margin-right: 15px;
    border-radius: 0px;
}

.product-thumb-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.product-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background-color: var(--primary);
    color: white;
    font-size: 11px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-name {
    flex-grow: 1;
    padding-right: 10px;
}

/* Discount input box */
.discount-group {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
}

.discount-group input {
    flex-grow: 1;
    padding: 12px;
    border: 1px solid var(--border-color);
    font-size: 12px;
}
.discount-group input:active,
.discount-group input:focus {
     border: 1px solid var(--primary);
}

.discount-group button {
    background-color: #F1ECE6;
    border: none;
    padding: 0 20px;
    font-size: 11px;
    font-weight: bold;
    letter-spacing: 1px;
    cursor: pointer;
}

/* Totals Info pricing */
.totals-row {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    margin-bottom: 12px;
}

.totals-row .info-icon {
    cursor: help;
    color: var(--text-muted);
}

.shipping-placeholder {
    color: var(--text-muted);
    font-size: 11px;
}

.totals-divider {
    border: none;
    border-top: 1px solid #E1E1E1;
    margin: 15px 0;
}

.total-final {
    font-size: 15px;
    font-weight: bold;
}

.final-price {
    font-size: 18px;
}

/* Responsive สำหรับหน้าจอมือถือ */
@media (max-width: 768px) {
    .checkout-container {
        flex-direction: column-reverse; /* ดึงเอาสรุปราคาไปไว้ข้างบนแทนเวลาเปิดในมือถือ */
    }
    .checkout-main, .checkout-sidebar {
        flex: 0 0 100%;
        padding: 0;
        border-left: none;
    }
    .checkout-sidebar {
        margin-bottom: 40px;
        border-bottom: 1px solid #E1E1E1;
        padding-bottom: 30px;
    }
}