:root{color-scheme:light;--ink:#142235;--muted:#64748b;--line:#dce3eb;--paper:#f5f7fa;--blue:#245b83;--teal:#137d78}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.6 Inter,system-ui,sans-serif}.sitebar{height:64px;padding:0 max(22px,calc((100% - 1100px)/2));display:flex;justify-content:space-between;align-items:center;background:#fff;border-bottom:1px solid var(--line)}a{color:inherit;text-decoration:none}.brand{font-size:12px;font-weight:800;letter-spacing:.12em}.brand span{color:var(--muted);font-weight:500}.back{font-size:13px;color:var(--blue)}main{width:min(1100px,calc(100% - 36px));margin:auto}.hero{padding:54px 0 26px}.eyebrow{font-size:10px;letter-spacing:.17em;font-weight:800;color:var(--blue)}h1{font-size:clamp(34px,5vw,54px);line-height:1.08;letter-spacing:-.045em;margin:10px 0}h1 span{color:var(--blue);font-weight:500}.hero p{color:var(--muted);max-width:700px}.layout{display:grid;grid-template-columns:1.1fr .9fr;gap:18px;align-items:start}.panel{background:#fff;border:1px solid var(--line);border-radius:12px;padding:23px;box-shadow:0 5px 22px #15283a08}.panel h2{font-size:20px;margin:4px 0 20px}.fields{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field{display:grid;gap:6px}.field label{font-size:12px;color:#526276;font-weight:650}.field input,.field select{height:42px;width:100%;padding:0 10px;border:1px solid #cfd8e2;border-radius:7px;background:white;font:inherit;color:var(--ink)}button{margin-top:19px;padding:12px 16px;border:0;border-radius:7px;background:var(--blue);color:white;font:inherit;font-weight:700;cursor:pointer}.result{min-height:125px;padding:18px;background:#f7fafc;border:1px dashed #cbd7e2;border-radius:9px}.big{font-size:38px;line-height:1.2;font-weight:750;color:var(--teal);letter-spacing:-.04em}.muted,small,footer{color:var(--muted)}.rows{margin-top:14px}.rowline{display:flex;justify-content:space-between;gap:10px;padding:8px 0;border-bottom:1px solid #edf0f3;font-size:12px}.rowline span{color:var(--muted)}.note{font-size:12px;color:#758397;margin-top:16px}.chart{width:100%;height:310px;border:1px solid var(--line);border-radius:8px;background:#fff}footer{padding:28px 0 40px;font-size:11px}@media(max-width:760px){.layout{grid-template-columns:1fr}.fields{grid-template-columns:1fr 1fr}.panel{padding:18px}.hero{padding-top:38px}}@media(max-width:430px){.fields{grid-template-columns:1fr}.sitebar{padding:0 16px}.brand span{display:none}}