.additional-group{margin:18px 0;padding:16px;border:1px solid #dce2e9;border-radius:12px}
.additional-group h3{font-size:16px;margin:0 0 6px}
.additional-group small{display:block;color:#526176;line-height:1.5;margin-bottom:10px}
.additional-option{display:flex;align-items:center;gap:10px;min-height:48px;padding:8px 0;border-top:1px solid #eef1f5;cursor:pointer}
.additional-option input{width:20px;height:20px;flex-shrink:0;accent-color:#176b51}
.additional-option span{flex:1;overflow-wrap:anywhere}
.additional-option strong{white-space:nowrap;color:#176b51;font-size:14px}
#additionalError{color:#b42318;background:#fff1f0;padding:12px;border-radius:8px}
.additional-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.additional-counter{flex-shrink:0;background:#e8f7ef;color:#176b51;border-radius:8px;padding:6px 9px;font-size:12px;font-weight:700}
.additional-summary{font-size:13px;color:#526176;line-height:1.5;margin:8px 0 12px}
.additional-option{padding:12px 8px;gap:12px;border-radius:8px}
.additional-option:has(input:checked){background:#effaf4}
.additional-option:has(input:disabled){opacity:.55;cursor:not-allowed}
.additional-option span small{font-size:11px;margin:3px 0 0}
.additional-option input{width:24px;height:24px}