/* ================================
   Payment Form Base Styles
================================ */

.title-wrapper {
    text-align: center;
    padding-top: 50px;
}

.payment-form {
    max-width: 760px;
    margin: 40px auto;
    padding: 24px;
    background: #ffffff;
    border-radius: 8px;
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.06);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.payment-form h2 {
    margin-bottom: 8px;
    font-size: 24px;
    color: #222;
}

.required-note {
    font-size: 14px;
    margin-bottom: 24px;
    color: #666;
}

.required {
    color: #d63638;
}

/* ================================
   Fieldsets & Legends
================================ */

.payment-form fieldset {
    border: 1px solid #e4e4e4;
    padding: 20px;
    margin-bottom: 24px;
    border-radius: 6px;
}

.payment-form legend {
    padding: 0 8px;
    font-size: 15px;
    font-weight: 600;
    color: #444;
    border: none;
}

/* ================================
   Form Layout
================================ */

.form-group {
    margin-bottom: 16px;
}

.form-row {
    display: flex;
    gap: 0px;
}

.form-row .form-group {
    flex: 1;
}

.form-row .form-group {
    margin: 0 10px;
}

.form-row .form-group:first-child {
    margin-left: 0;
}

.form-row .form-group:last-child {
    margin-right: 0;
}


.checkbox {
    margin-top: 12px;
}

/* ================================
   Labels & Inputs
================================ */

.payment-form label {
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
    font-weight: 500;
    color: #333;
}

.payment-form input,
.payment-form select {
    width: 100%;
    padding: 10px 12px;
    font-size: 14px;
    border: 1px solid #ccc;
    border-radius: 4px;
    background-color: #fff;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.payment-form input::placeholder {
    color: #aaa;
}

.payment-form input:focus,
.payment-form select:focus {
    border-color: #2271b1;
    outline: none;
    box-shadow: 0 0 0 2px rgba(34, 113, 177, 0.15);
}

/* Checkbox */
.payment-form input[type="checkbox"] {
    width: auto;
    margin-right: 6px;
}

/* ================================
   Validation & Errors
================================ */

.payment-form input:required:invalid,
.payment-form select:required:invalid {
    /* border-color: #d63638; */
}

.payment-form input,
.payment-form select {
    border-color: #ccc !important;
    background: #fff !important;
}

#payment-errors {
    margin-top: 16px;
    font-size: 14px;
    color: #d63638;
}

span.error {
    color: #ff0000;
    font-size: 12px;
}

/* ================================
   Submit Button
================================ */

.btn-submit {
    display: inline-block;
    width: 100%;
    margin-top: 24px;
    padding: 14px;
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    background-color: #2271b1;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.1s ease;
}

.btn-submit:hover {
    background-color: #135e96;
}

.btn-submit:active {
    transform: translateY(1px);
}

.btn-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ================================
   Responsive
================================ */

@media (max-width: 640px) {
    .form-row {
        flex-direction: column;
    }

    .payment-form {
        padding: 16px;
    }
}