:root {
    --pico-font-size: 16px;
    --pico-primary: #164a8a;
    --pico-primary-hover: #0d3970;
    --ink: #18283d;
    --muted: #617186;
    --line: #dce4ed;
    --paper: #ffffff;
    --wash: #f2f6fa;
}

body {
    min-height: 100vh;
    background: linear-gradient(145deg, #eaf1f8 0%, #f7f9fc 52%, #e7eef5 100%);
    color: var(--ink);
}

.container {
    max-width: 860px;
    padding-block: 2rem 1rem;
}

.portal-header {
    margin-bottom: 1.5rem;
    text-align: center;
}

.portal-header img {
    width: 82px;
    height: 82px;
    object-fit: contain;
    margin-bottom: 0.75rem;
}

.portal-header .eyebrow {
    margin-bottom: 0.35rem;
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.portal-header h1 {
    margin-bottom: 0.4rem;
    color: var(--ink);
    font-size: clamp(1.7rem, 4vw, 2.35rem);
}

.portal-header h1 i {
    margin-right: 0.35rem;
    color: var(--pico-primary);
}

.portal-header > p:last-child {
    color: var(--muted);
}

.payment-card {
    padding: clamp(1rem, 4vw, 2rem);
    border: 1px solid var(--line);
    border-radius: 16px;
    background: var(--paper);
    box-shadow: 0 18px 48px rgb(24 40 61 / 9%);
}

.payment-card > .payment-card-header {
    margin: calc(-1 * clamp(1rem, 4vw, 2rem));
    margin-bottom: 1.25rem;
    padding: 0.85rem clamp(1rem, 4vw, 2rem);
    border-radius: 15px 15px 0 0;
    background: var(--pico-primary);
    color: #fff;
}

.payment-card-header h2 {
    margin: 0;
    color: inherit;
    font-size: 1.05rem;
}

.payment-card-header i {
    margin-right: 0.45rem;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 1rem;
}

.payment-fields {
    margin-top: 0.5rem;
}

label {
    color: var(--ink);
    font-size: 0.92rem;
    font-weight: 600;
}

label i,
.payment-card > p > i {
    margin-right: 0.4rem;
    color: var(--pico-primary);
}

input,
select {
    margin-top: 0.35rem;
    border-color: var(--line);
    background-color: #fbfcfe;
}

.select2-container {
    width: 100% !important;
    margin-top: 0.35rem;
    font-weight: 400;
}

.select2-container--default .select2-selection--single {
    height: 2.75rem;
    border-color: var(--line);
    border-radius: var(--pico-border-radius);
    background-color: #fbfcfe;
}

.select2-container--default .select2-selection--single .select2-selection__rendered {
    padding-left: 0.75rem;
    color: var(--ink);
    line-height: 2.65rem;
}

.select2-container--default .select2-selection--single .select2-selection__arrow {
    height: 2.65rem;
}

.secure-note {
    margin: 0.5rem 0 0.75rem;
    color: var(--muted);
    font-size: 0.85rem;
}

.secure-note i,
button i,
.return-link i {
    margin-right: 0.4rem;
}

button {
    width: 100%;
}

button:disabled {
    opacity: 0.7;
}

.hidden {
    display: none;
}

.result-page {
    max-width: 680px;
}

.return-link {
    margin-top: 1rem;
    text-align: center;
}

footer {
    padding: 1.5rem 0 0.5rem;
    color: var(--muted);
    font-size: 0.82rem;
    text-align: center;
}

footer small {
    display: block;
}

footer a {
    color: var(--muted);
    text-decoration: none;
}

footer a:hover {
    color: var(--pico-primary);
}

@media (max-width: 640px) {
    .container {
        padding-top: 1.25rem;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }
}