.samin-checkout {
    --samin-primary: #d32f2f;
    --samin-primary-dark: #b71c1c;
    --samin-primary-soft: #e8f1fb;
    --samin-price: #2e7d32;
    --samin-text: #1c2b36;
    --samin-muted: #5b6b7a;
    --samin-border: #e3ebf3;
    --samin-card: #ffffff;
    --samin-shadow: 0 10px 30px rgba(21, 40, 70, 0.08);
    --samin-radius: 18px;
    max-width: 720px;
    margin: 8px 0 28px;
    font-family: inherit;
}

.samin-pay-form {
    margin: 0;
}

.samin-pay-card {
    background: var(--samin-card);
    border: 1px solid var(--samin-border);
    border-radius: var(--samin-radius);
    box-shadow: var(--samin-shadow);
    overflow: hidden;
}

.samin-pay-card__head {
    padding: 22px 24px 16px;
    background:
        linear-gradient(135deg, #f7fbff 0%, #ffffff 70%),
        radial-gradient(circle at 100% 0%, rgba(21, 101, 192, 0.08), transparent 42%);
    border-bottom: 1px solid var(--samin-border);
}

.samin-pay-card__badge {
    display: inline-block;
    background: var(--samin-primary-soft);
    color: var(--samin-primary-dark);
    border-radius: 999px;
    padding: 4px 12px;
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 10px;
}

.samin-pay-card__title {
    margin: 0 0 6px;
    color: var(--samin-text);
    font-size: 20px;
    font-weight: 800;
    line-height: 1.5;
}

.samin-pay-card__desc {
    margin: 0;
    color: var(--samin-muted);
    font-size: 13px;
    line-height: 1.8;
}

.samin-pay-field {
    padding: 22px 24px 8px;
}

.samin-pay-field label {
    display: block;
    margin-bottom: 8px;
    color: var(--samin-text);
    font-size: 14px;
    font-weight: 700;
}

.samin-select-wrap {
    position: relative;
}

.samin-select-wrap::after {
    content: "";
    position: absolute;
    left: 16px;
    top: 50%;
    width: 8px;
    height: 8px;
    border-left: 2px solid #6b7c8d;
    border-bottom: 2px solid #6b7c8d;
    transform: translateY(-70%) rotate(-45deg);
    pointer-events: none;
}

.samin-checkout #samin_type {
    width: 100%;
    appearance: none;
    -webkit-appearance: none;
    background: #f8fbfe;
    border: 1px solid #d7e3ef;
    border-radius: 12px;
    color: var(--samin-text);
    font-size: 15px;
    font-weight: 600;
    line-height: 1.6;
    min-height: 50px;
    padding: 10px 16px 10px 40px;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.samin-checkout #samin_type:hover {
    background: #ffffff;
    border-color: #b9cfe3;
}

.samin-checkout #samin_type:focus {
    background: #ffffff;
    border-color: var(--samin-primary);
    box-shadow: 0 0 0 4px rgba(21, 101, 192, 0.12);
}

.samin-pay-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 24px 24px;
}

.samin-pay-total {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.samin-pay-total__label {
    color: var(--samin-muted);
    font-size: 13px;
    font-weight: 600;
}

.samin-pay-total__value,
.samin-checkout #samin_amount_label,
.samin-checkout #currency_symbol {
    color: var(--samin-price);
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.3px;
}

.samin-pay-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.samin-pay-btn,
.samin-checkout #samin_start_payment {
    appearance: none;
    border: 0;
    background: linear-gradient(180deg, #e53935 0%, #c62828 100%);
    color: #ffffff;
    min-width: 180px;
    min-height: 48px;
    padding: 12px 22px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 800;
    cursor: pointer;
    box-shadow: 0 8px 18px rgba(198, 40, 40, 0.28);
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.samin-pay-btn:hover,
.samin-checkout #samin_start_payment:hover {
    background: linear-gradient(180deg, #d32f2f 0%, #b71c1c 100%);
    transform: translateY(-1px);
}

.samin-pay-btn:disabled,
.samin-checkout #samin_start_payment:disabled {
    opacity: 0.7;
    cursor: wait;
    transform: none;
    box-shadow: none;
}

.samin-pay-error,
#samin_validation_message {
    display: block;
    margin: 0 0 12px;
    padding: 10px 14px;
    border-radius: 10px;
    background: #fdecea;
    color: #b71c1c;
    font-size: 13px;
    font-weight: 700;
}

.samin-checkout #samin_pay_loading {
    width: 28px;
    height: 28px;
}

.samin-slug-info {
    width: 100%;
    margin-top: 16px;
    border-collapse: collapse;
    background: #fff;
    border: 1px solid var(--samin-border);
    border-radius: 14px;
    overflow: hidden;
}

.samin-slug-info th,
.samin-slug-info td {
    padding: 10px 12px;
    border-bottom: 1px solid #eef3f8;
    text-align: right;
    font-size: 13px;
}

.samin-slug-info th {
    background: #f7fbff;
    color: #35506a;
}

body.woocommerce-order-pay ul.order_details,
body.woocommerce-order-pay ul.woocommerce-order-overview {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    list-style: none;
    margin: 0 0 20px;
    padding: 18px;
    background: #ffffff;
    border: 1px solid #e3ebf3;
    border-radius: 18px;
    box-shadow: 0 10px 30px rgba(21, 40, 70, 0.08);
}

body.woocommerce-order-pay ul.order_details li,
body.woocommerce-order-pay ul.woocommerce-order-overview li {
    margin: 0;
    padding: 12px 14px;
    border: 1px solid #eef3f8;
    border-radius: 12px;
    background: #f8fbfe;
    font-size: 13px;
    color: #5b6b7a;
}

body.woocommerce-order-pay ul.order_details li strong,
body.woocommerce-order-pay ul.woocommerce-order-overview li strong,
body.woocommerce-order-pay ul.order_details .woocommerce-Price-amount,
body.woocommerce-order-pay ul.woocommerce-order-overview .woocommerce-Price-amount {
    display: block;
    margin-top: 4px;
    color: #1c2b36;
    font-size: 16px;
}

body.woocommerce-order-pay ul.order_details .total strong,
body.woocommerce-order-pay ul.woocommerce-order-overview .total strong,
body.woocommerce-order-pay ul.order_details .total .woocommerce-Price-amount,
body.woocommerce-order-pay ul.woocommerce-order-overview .total .woocommerce-Price-amount {
    color: #2e7d32;
}

@media (max-width: 640px) {
    .samin-pay-footer,
    body.woocommerce-order-pay ul.order_details,
    body.woocommerce-order-pay ul.woocommerce-order-overview {
        grid-template-columns: 1fr;
        flex-direction: column;
        align-items: stretch;
    }

    .samin-pay-btn,
    .samin-checkout #samin_start_payment {
        width: 100%;
    }

    .samin-pay-total__value,
    .samin-checkout #samin_amount_label,
    .samin-checkout #currency_symbol {
        font-size: 18px;
    }
}