.fic-billing { margin: 24px 0; padding: 20px; border: 1px solid #d7dee5; border-radius: 8px; }
.fic-billing legend { padding: 0 8px; font-weight: 700; font-size: 1.25rem; }
.fic-billing-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-top: 16px; }
.fic-billing-field { min-width: 0; }
.fic-billing-field label { display: block; margin-bottom: 6px; }
.fic-billing-field input, .fic-billing-field select { width: 100%; max-width: 100%; box-sizing: border-box; }
.fic-billing [hidden] { display: none !important; }
.fic-billing-help { grid-column: 1 / -1; margin: 0; font-size: .9rem; }
@media (max-width: 600px) { .fic-billing-grid { grid-template-columns: minmax(0, 1fr); } }