:root{--tinta:#0f172a;--tinta-fraca:#64748b;--borda:#e2e8f0;--fundo:#f8fafc;--papel:#ffffff;--marca:#0f766e;--marca-clara:#ccfbf1;--erro:#b91c1c;--erro-fundo:#fef2f2}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,sans-serif;color:var(--tinta);background:var(--fundo);line-height:1.5}header{display:flex;align-items:baseline;gap:.75rem;padding:1rem 1.5rem;background:var(--papel);border-bottom:1px solid var(--borda)}header strong{font-size:1.1rem;letter-spacing:-.01em}.ambiente{font-size:.75rem;color:var(--tinta-fraca);background:var(--fundo);border:1px solid var(--borda);border-radius:999px;padding:.1rem .6rem}main{max-width:60rem;margin:0 auto;padding:2rem 1.5rem 4rem}h1{font-size:1.5rem;margin:0 0 .35rem;letter-spacing:-.02em}.legenda{color:var(--tinta-fraca);margin:0 0 1.75rem;font-size:.925rem}.cartao{background:var(--papel);border:1px solid var(--borda);border-radius:12px;padding:1.5rem}.grade{display:grid;grid-template-columns:repeat(auto-fit,minmax(11rem,1fr));grid-gap:1rem;gap:1rem}label{display:block;font-size:.8rem;font-weight:600;color:var(--tinta-fraca);margin-bottom:.35rem;text-transform:uppercase;letter-spacing:.03em}input[type=number],input[type=password],select{width:100%;padding:.6rem .7rem;border:1px solid var(--borda);border-radius:8px;font:inherit;font-size:.95rem;background:var(--papel);color:var(--tinta)}input:focus,select:focus{outline:2px solid var(--marca);outline-offset:1px}.linha-caixa{display:flex;align-items:center;gap:.5rem;margin-top:1.25rem}.linha-caixa label{margin:0;text-transform:none;letter-spacing:0;font-size:.9rem;color:var(--tinta);font-weight:500}button{margin-top:1.5rem;padding:.7rem 1.4rem;border:none;border-radius:8px;background:var(--marca);color:#fff;font:inherit;font-size:.95rem;font-weight:600;cursor:pointer}button:hover{filter:brightness(1.08)}.resultado{margin-top:1.5rem;display:grid;grid-template-columns:repeat(auto-fit,minmax(9rem,1fr));grid-gap:1px;gap:1px;background:var(--borda);border:1px solid var(--borda);border-radius:12px;overflow:hidden}.metrica{background:var(--papel);padding:1.1rem 1.25rem}.metrica .rotulo{font-size:.7rem;text-transform:uppercase;letter-spacing:.04em;color:var(--tinta-fraca);font-weight:600}.metrica .valor{font-size:1.4rem;font-weight:700;letter-spacing:-.02em;margin-top:.2rem;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.metrica.destaque{background:var(--marca-clara)}.erro{margin-top:1.5rem;background:var(--erro-fundo);border:1px solid #fecaca;border-radius:10px;padding:1rem 1.25rem;color:var(--erro)}.erro .codigo{font-family:ui-monospace,monospace;font-size:.8rem;font-weight:700}.erro p{margin:.35rem 0 0;font-size:.9rem}.nota{margin-top:1.5rem;font-size:.825rem;color:var(--tinta-fraca)}.entrada-central{max-width:22rem;margin:4rem auto}