.gouv-verifier { border: 1px solid #ddd; padding: 16px; max-width: 720px; font-family: Arial, sans-serif; }
.gouv-verifier input[type="text"], .gouv-verifier input[type="datetime-local"] { width: 100%; padding: 8px; margin: 6px 0; box-sizing: border-box; }
.gouv-verifier button { padding: 8px 12px; }
.gouv-result { background: #fafafa; padding: 12px; margin-top: 12px; border-radius: 6px; }