.sm-signup>.sm-card {
    padding: 22px;
}

.sm-signup__title {
    margin: 0 0 16px;
    font-size: 22px;
    font-weight: 700;
    color: var(--sm-ink);
}

.sm-signup__form {
    gap: 14px;
}

.sm-signup__actions {
    margin-top: 4px;
    text-align: center;
}

.sm-required {
    color: #dc2626;
}

.sm-field__help {
    margin: 0;
    font-size: 12px;
    font-weight: 400;
    line-height: 1.4;
    color: var(--sm-muted, #64748b);
}

.sm-field-error {
    margin: 0;
    font-size: 12px;
    color: #dc2626;
}

.sm-radio-group {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 16px;
}

.sm-radio-group--stack {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 8px;
}

.sm-radio {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 500;
}

.sm-radio__row {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.sm-radio--rich {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--sm-line, #e2e8f0);
    border-radius: var(--sm-input-radius, 10px);
    background: #fff;
    cursor: pointer;
    transition: border-color .15s, background .15s;
}

.sm-radio--rich:hover {
    border-color: var(--sm-accent);
}

.sm-radio--rich:has(input:checked) {
    border-color: var(--sm-accent);
    background: var(--sm-accent-soft, color-mix(in srgb, var(--sm-accent) 14%, #fff));
}

/* Payment method instructions only for the chosen option */
.sm-radio__desc {
    display: none;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px dashed var(--sm-line-strong, #cbd5e1);
    font-size: 13px;
    font-weight: 400;
    line-height: 1.45;
    color: var(--sm-muted, #64748b);
}

.sm-radio:has(input:checked) > .sm-radio__desc {
    display: block;
}

.sm-radio__desc p:first-child { margin-top: 0; }
.sm-radio__desc p:last-child { margin-bottom: 0; }

.sm-signup .sm-attachment-field .sm-attachment {
    background: #fff;
}

.sm-signup .sm-attachment-field .sm-attachment--empty {
    background: #fff;
    border-color: var(--sm-line-strong);
}

.sm-signup .sm-attachment-field .sm-attachment--empty:hover {
    border-color: var(--sm-accent);
}