fieldset:has(>legend){border:1px solid #e0e0e0;border-radius:8px;padding:16px 20px;margin-top:8px}fieldset>legend{padding:0 6px;font-weight:600;color:#555}fieldset .MuiFormControlLabel-root{margin:6px 0;padding:6px 8px;border-radius:6px;transition:background-color .15s}fieldset .MuiFormControlLabel-root:hover{background-color:#f5f7fa}