.sbti-action { display:inline-flex; align-items:center; justify-content:center; gap:8px; min-height:44px; padding:10px 20px; border:1px solid #002D61; border-radius:999px; background:#002D61; color:#FFFFFF; font:inherit; font-size:16px; font-weight:700; line-height:1.5; cursor:pointer; text-decoration:none; }
.sbti-action.secondary { background:#FFFFFF; color:#002D61; }
.sbti-action:focus-visible { outline:3px solid #00737A; outline-offset:3px; }
.sbti-action:hover { box-shadow:0 3px 10px rgba(0,45,97,.15); }
.sbti-member { margin:0 0 16px; padding:20px; min-width:0; border:1px solid #DCE3EA; border-radius:12px; background:#F5F8FB; }
.sbti-member legend { padding:0 8px; font-size:18px; font-weight:700; color:#002D61; }
.sbti-member-fields { display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr) minmax(0,1.5fr); gap:14px; margin-bottom:16px; }
.sbti-member-fields > div { min-width:0; }
.sbti-member-fields input { width:100%; box-sizing:border-box; }
.sbti-member-fields label { color:#002D61; }
.sbti-members-actions { display:flex; flex-wrap:wrap; gap:12px; align-items:center; }
@media(max-width:680px) {
  .sbti-member { padding:16px; }
  .sbti-member-fields { grid-template-columns:minmax(0,1fr); }
}