.vhba{--bg:#f4faf7;--card:#fff;--ink:#0f2a21;--mute:#587066;--line:#dcebe4;--acc:#1D9E75;--accd:#0f7a58;--acc2:#e6f6ef;--amber:#F2A83B;--good:#13805c;--bad:#c2410c;--g1:#d3f0e3;--g2:#fdecc9;font:16px/1.6 Outfit,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);padding:0;box-sizing:border-box}.vhba *{box-sizing:border-box}.vhba .grid{display:grid;grid-template-columns:1fr 360px;gap:20px;align-items:start}@media(max-width:860px){.vhba .grid{grid-template-columns:1fr}}.vhba .card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:22px}.vhba .tabs{display:flex;gap:6px;background:var(--acc2);padding:4px;border-radius:999px;margin-bottom:18px}.vhba .tabs button{flex:1;border:0;background:none;color:var(--mute);font:inherit;font-weight:600;padding:9px 8px;border-radius:999px;cursor:pointer}.vhba .tabs button[aria-selected=true]{background:var(--card);color:var(--ink);box-shadow:0 1px 3px rgb(0 0 0 / .12)}.vhba .fields{display:grid;grid-template-columns:1fr 1fr;gap:14px}@media(max-width:560px){.vhba .fields{grid-template-columns:1fr}}.vhba label{display:block;font-size:1.3rem;font-weight:600;margin-bottom:4px}.vhba label small{font-weight:400;color:var(--mute)}.vhba input,.vhba select{width:100%;height:4.25rem!important;font:inherit;padding:10px 12px;border:1px solid var(--line);border-radius:12px;background:var(--card);color:var(--ink)}.vhba input:focus,.vhba select:focus,.vhba button:focus-visible{outline:2px solid var(--acc);outline-offset:1px}.vhba .full{grid-column:1/-1}.vhba .bmi{font-size:1.3rem;color:var(--mute);margin-top:4px}.vhba .actions{display:flex;gap:10px;margin-top:20px}.vhba .btn{border:0;background:var(--accd);color:#fff;font:inherit;font-weight:600;padding:12px 30px;border-radius:999px;cursor:pointer}.vhba .btn.alt{background:none;color:var(--ink);border:1px solid var(--line);font-weight:600}.vhba .err{color:var(--bad);font-size:.9rem;margin-top:12px;min-height:1.2em}.vhba .hint{font-size:.85rem;color:var(--mute);margin:0 0 14px}.vhba .result{position:sticky;top:16px}.vhba .empty{color:var(--mute);text-align:center;padding:30px 8px}.vhba .big{font:400 4.8rem/1 "Instrument Serif",Georgia,serif;color:var(--accd)}.vhba .delta{font-weight:700;margin:6px 0 2px}.vhba .delta.good{color:var(--good)}.vhba .delta.bad{color:var(--bad)}.vhba .sub{color:var(--mute);font-size:1.3rem}.vhba .scale{position:relative;height:8px;background:var(--line);border-radius:4px;margin:26px 6px 30px}.vhba .scale i{position:absolute;top:-5px;width:18px;height:18px;border-radius:50%;transform:translateX(-50%);border:3px solid var(--card)}.vhba .scale .c{background:var(--amber)}.vhba .scale .b{background:var(--acc)}.vhba .scale span{position:absolute;top:18px;font-size:1.1rem;color:var(--mute);transform:translateX(-50%);white-space:nowrap}.vhba h3.r{font-size:.95rem;margin:20px 0 8px}.vhba .f{display:grid;grid-template-columns:110px 1fr 46px;gap:8px;align-items:center;font-size:1.2rem;margin:6px 0}.vhba .bar{height:8px;background:var(--line);border-radius:4px;position:relative}.vhba .bar b{position:absolute;top:0;height:100%;border-radius:4px}.vhba .bar:after{content:"";position:absolute;left:50%;top:-2px;width:1px;height:12px;background:var(--mute)}.vhba .f em{font-style:normal;text-align:right;font-weight:700;font-size:1.2rem}.vhba ul.tips{margin:0;padding-left:18px;font-size:.9rem}.vhba ul.tips li{margin:5px 0}.vhba .note{font-size:1.1rem;color:var(--mute);margin-top:16px;border-top:1px solid var(--line);padding-top:12px}.vhba .scale i,.vhba .bar b{transition:left .5s,width .5s}@media(prefers-reduced-motion:reduce){.vhba *{transition:none!important}}.vhba a.btn{display:inline-block;text-decoration:none}