.ra-mbc{--ra-ink:#16212b;--ra-muted:#5a6772;--ra-line:#d8dee3;--ra-bg:#fff;--ra-soft:#f3f6f8;--ra-accent:#0f6e5c;--ra-warn:#8a5a00;
  max-width:560px;margin:1.5rem 0;padding:20px;border:1px solid var(--ra-line);border-radius:12px;background:var(--ra-bg);color:var(--ra-ink);font:16px/1.45 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;box-sizing:border-box}
.ra-mbc *{box-sizing:border-box}
.ra-mbc-form{display:grid;gap:14px}
.ra-mbc-row{display:flex;gap:12px;align-items:flex-end;flex-wrap:wrap}
.ra-mbc-row>.ra-mbc-field{flex:1 1 140px}
.ra-mbc-field{display:grid;gap:6px;font-weight:600;font-size:14px}
.ra-mbc-field small{font-weight:400;color:var(--ra-muted)}
.ra-mbc input[type=number],.ra-mbc select{width:100%;height:48px;padding:0 12px;border:1px solid var(--ra-line);border-radius:8px;font:inherit;color:inherit;background:var(--ra-bg)}
.ra-mbc input:focus,.ra-mbc select:focus{outline:2px solid var(--ra-accent);outline-offset:1px}
.ra-mbc-grow{flex:1 1 180px}
.ra-mbc-unit{display:flex;border:1px solid var(--ra-line);border-radius:8px;padding:3px;margin:0;height:48px}
.ra-mbc-unit label{position:relative}
.ra-mbc-unit input{position:absolute;opacity:0}
.ra-mbc-unit span{display:block;padding:9px 16px;border-radius:6px;cursor:pointer;font-weight:600}
.ra-mbc-unit input:checked+span{background:var(--ra-accent);color:#fff}
.ra-mbc-unit input:focus-visible+span{outline:2px solid var(--ra-accent)}
.ra-mbc-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.ra-mbc-btn{height:48px;border:0;border-radius:8px;background:var(--ra-accent);color:#fff;font:inherit;font-weight:700;cursor:pointer}
.ra-mbc-btn:hover{filter:brightness(1.1)}
.ra-mbc-warn{margin:0;padding:10px 12px;border-radius:8px;background:#fff5e0;color:var(--ra-warn);font-size:14px}
.ra-mbc-result{margin-top:18px;padding:16px;border-radius:10px;background:var(--ra-soft)}
.ra-mbc-label{margin:0;color:var(--ra-muted);font-size:14px}
.ra-mbc-big{margin:2px 0 10px;font-size:40px;font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.ra-mbc-stats{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:0}
.ra-mbc-stats dt{font-size:13px;color:var(--ra-muted)}
.ra-mbc-stats dd{margin:0;font-weight:700;font-variant-numeric:tabular-nums}
.ra-mbc-note,.ra-mbc-small{font-size:14px;color:var(--ra-muted)}
.ra-mbc details{border-top:1px solid var(--ra-line);padding:10px 0}
.ra-mbc summary{cursor:pointer;font-weight:600}
.ra-mbc-table{width:100%;border-collapse:collapse;margin-top:8px;font-size:14px;font-variant-numeric:tabular-nums}
.ra-mbc-table th,.ra-mbc-table td{text-align:left;padding:6px 4px;border-bottom:1px solid var(--ra-line)}
.ra-mbc-ladder{padding-left:20px;font-variant-numeric:tabular-nums}
.ra-mbc [hidden]{display:none!important}
.ra-mbc-table td:nth-child(2),.ra-mbc-stats dd{white-space:nowrap}