.pc{--paper:#f7f7f7;--panel:#fff;--ink:#141414;--muted:#717171;--line:rgba(65,65,65,.16);--copper:#141414;--copper-lt:#404040;--copper-dk:#000;--water:#8a8a8a;--water-lt:#bdbdbd;--bad:#b42318;--good:#1e7a4c;--field:#f7f7f7;color:var(--ink);font-size:16px;line-height:1.5}.pc *,.pc :after,.pc :before{box-sizing:border-box}.pc .tabs{display:flex;gap:6px;margin:0 0 22px;border-bottom:2px solid var(--line);overflow-x:auto}.pc .tabs button{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;background:none;color:var(--muted);font:inherit;font-weight:650;font-size:1.05rem;padding:10px 14px 12px;cursor:pointer;border-bottom:4px solid transparent;margin-bottom:-2px;white-space:nowrap}.pc .tabs button[aria-selected=true]{color:var(--ink);border-bottom-color:var(--ink)}.pc button:focus-visible,.pc input:focus-visible,.pc select:focus-visible{outline:3px solid var(--water-lt);outline-offset:2px}.pc .grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);gap:28px;align-items:start}.pc .inputs{min-width:0}.pc .results{position:sticky;top:6rem;background:var(--panel);border:1px solid var(--line);border-radius:1.25rem;padding:22px}.pc fieldset{min-width:0;border:0;border-top:1px solid var(--line);margin:0;padding:18px 0 22px}.pc fieldset:first-of-type{border-top:0;padding-top:0}.pc legend{font-weight:750;font-size:1.15rem;padding:0;margin-bottom:4px;float:left;width:100%}.pc .hint{color:var(--muted);font-size:.9rem;margin:0 0 12px;clear:both;max-width:70ch}.pc .fields{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:12px 16px;clear:both}.pc label.f{display:flex;flex-direction:column;gap:4px;font-size:.88rem;color:var(--muted)}.pc label.f span.t{color:var(--ink);font-weight:550}.pc .inp{display:flex;align-items:center;background:var(--field);border:1px solid var(--line);border-radius:8px;overflow:hidden}.pc .inp i{font-style:normal;color:var(--muted);padding:0 0 0 10px;font-size:.92rem}.pc .inp i.post{padding:0 10px 0 0}.pc .inp input,.pc .inp select{flex:1;min-width:0;border:0;background:transparent;color:var(--ink);font:inherit;font-variant-numeric:tabular-nums;padding:9px 10px;font-size:1rem}.pc .inp:focus-within{border-color:var(--ink)}.pc .tw{overflow-x:auto;border:1px solid var(--line);border-radius:10px;background:var(--panel)}.pc table{border-collapse:collapse;width:100%;font-size:.92rem}.pc td,.pc th{padding:7px 8px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}.pc th{font-weight:650;color:var(--muted);font-size:.82rem;background:var(--field)}.pc tr:last-child td{border-bottom:0}.pc td input[type=number],.pc td input[type=text]{width:100%;min-width:64px;border:1px solid transparent;background:transparent;color:var(--ink);font:inherit;font-variant-numeric:tabular-nums;padding:5px 6px;border-radius:6px}.pc td input[type=text]{min-width:230px}.pc td input:hover{border-color:var(--line)}.pc td input:focus{border-color:var(--ink);outline:none;background:var(--field)}.pc td.num,.pc th.num{text-align:right;font-variant-numeric:tabular-nums}.pc td.price{font-weight:700;text-align:right;font-variant-numeric:tabular-nums}.pc .rowbtn{background:none;border:0;color:var(--muted);cursor:pointer;font:inherit;font-size:1.1rem;padding:2px 8px;border-radius:6px}.pc .rowbtn:hover{color:var(--bad)}.pc .add{margin-top:10px;background:none;border:1px dashed var(--line);color:var(--ink);font:inherit;font-weight:600;padding:8px 14px;border-radius:8px;cursor:pointer}.pc .add:hover{border-color:var(--ink)}.pc .r-label{font-size:.9rem;color:var(--muted);margin:0}.pc .big{font-size:clamp(2.6rem,6vw,3.6rem);font-weight:800;line-height:1;font-variant-numeric:tabular-nums;margin:4px 0 2px;letter-spacing:-.02em}.pc .big small{font-size:.38em;font-weight:600;color:var(--muted);letter-spacing:0}.pc .pipes{margin:22px 0 8px;display:grid;gap:14px}.pc .pipe-row .pl{display:flex;justify-content:space-between;font-size:.88rem;margin-bottom:5px;gap:8px}.pc .pipe-row .pl b{font-variant-numeric:tabular-nums}.pc .pipe{position:relative;height:26px;border-radius:13px;background:var(--field);box-shadow:inset 0 0 0 2px var(--line)}.pc .pipe .fill{position:absolute;inset:0 auto 0 0;border-radius:13px;min-width:26px;background:linear-gradient(180deg,var(--copper-lt) 0,var(--copper) 45%,var(--copper-dk) 100%);transition:width .5s cubic-bezier(.2,.8,.2,1)}.pc .pipe .fill.water{background:linear-gradient(180deg,var(--water-lt) 0,var(--water) 100%)}.pc .pipe .fill:after{content:"";position:absolute;right:-3px;top:-4px;bottom:-4px;width:9px;border-radius:3px;background:linear-gradient(180deg,var(--copper-lt),var(--copper-dk))}.pc .pipe .band{position:absolute;top:-5px;bottom:-5px;border-left:2px dashed var(--muted);border-right:2px dashed var(--muted);opacity:.7}.pc .pipe .fill.water:after{background:linear-gradient(180deg,var(--water-lt),var(--water))}@media (prefers-reduced-motion:reduce){.pc .pipe .fill{transition:none}}.pc .verdict{margin:18px 0 0;padding:14px 16px;border-radius:10px;background:var(--field);border-left:5px solid var(--bad);font-size:.95rem}.pc .verdict.ok{border-left-color:var(--good)}.pc .verdict b{font-variant-numeric:tabular-nums}.pc dl.kv{display:grid;grid-template-columns:1fr auto;gap:6px 14px;margin:18px 0 0;font-size:.92rem}.pc dl.kv dt{color:var(--muted)}.pc dl.kv dd{margin:0;text-align:right;font-weight:650;font-variant-numeric:tabular-nums}.pc dl.kv .sep{grid-column:1/-1;border-top:1px solid var(--line);margin:4px 0}.pc .stack{display:flex;height:16px;border-radius:8px;overflow:hidden;margin:18px 0 8px}.pc .stack div{height:100%}.pc .legend{display:grid;grid-template-columns:auto 1fr auto;gap:4px 8px;font-size:.84rem;align-items:center}.pc .legend .sw{width:11px;height:11px;border-radius:3px}.pc .legend .v{text-align:right;font-variant-numeric:tabular-nums;font-weight:600}.pc .r-h{font-weight:750;font-size:1.05rem;margin:22px 0 0}.pc .r-label a{color:var(--ink);text-decoration:underline}.pc .toolbar{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px;align-items:center}.pc .toolbar button{background:var(--panel);border:1px solid var(--line);color:var(--ink);font:inherit;font-weight:600;padding:9px 14px;border-radius:8px;cursor:pointer}.pc .toolbar button:hover{border-color:var(--ink)}.pc .note{font-size:.82rem;color:var(--muted);max-width:80ch;margin-top:26px;line-height:1.55}.pc .seg{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden;margin-bottom:12px}.pc .seg button{border:0;background:var(--panel);color:var(--muted);font:inherit;font-weight:600;padding:8px 14px;cursor:pointer}.pc .seg button[aria-pressed=true]{background:var(--ink);color:#fff}.pc [hidden]{display:none!important}@media (max-width:900px){.pc .grid{grid-template-columns:1fr}.pc .results{position:static;order:-1}}@media print{.pc .add,.pc .rowbtn,.pc .tabs,.pc .toolbar{display:none}.pc .results{position:static}}