.tool{max-width:900px;margin:0 auto;padding:36px 20px}.tool h1{letter-spacing:-.02em;margin:6px 0 8px;font-size:clamp(28px,4vw,40px);line-height:1.15}
.tool .lead{color:var(--muted);font-size:18px;margin:0 0 20px}
.calc{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;box-shadow:0 10px 30px rgba(20,20,40,.05)}
.fgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px 16px}@media(max-width:640px){.fgrid{grid-template-columns:repeat(auto-fit,minmax(145px,1fr))}}
#out .cmp{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:14px}
.fgrid label,.calc label.blk{display:block;font-size:14px;font-weight:600}
.fgrid .in{display:flex;align-items:center;border:1px solid var(--line);border-radius:10px;background:#fff;margin-top:4px;overflow:hidden}
.fgrid .in span{padding:0 10px;color:var(--muted);font-size:14px;background:#f6f7f9;align-self:stretch;display:flex;align-items:center}
.fgrid input,.fgrid select{width:100%;border:0;padding:10px;font-size:16px;background:transparent;min-width:0}
.fgrid select{border:1px solid var(--line);border-radius:10px;margin-top:4px;background:#fff}
.fgrid .hint{font-weight:400;color:var(--muted);font-size:12px;display:block;margin-top:3px}
.fgrid .chk{display:flex;gap:8px;align-items:center;margin-top:24px;font-weight:600}.fgrid .chk input{width:auto}
.calc fieldset{border:0;padding:0;margin:0 0 14px}.calc legend{font-weight:800;font-size:15px;margin-bottom:8px}
.calc details{margin:10px 0}.calc summary{cursor:pointer;font-weight:600;color:var(--brand-d)}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:99px;overflow:hidden;margin-bottom:16px}.seg label{padding:7px 14px;cursor:pointer;font-weight:600;font-size:14px}.seg input{display:none}.seg label:has(input:checked){background:var(--ink);color:#fff}
#out{margin-top:18px}#out .kpis{margin:0 0 14px}#out .waterfall{background:#fcfcfd;border:1px solid var(--line);border-radius:14px;padding:6px 16px;margin-bottom:14px}
#out .waterfall div{font-size:15px;gap:10px}#out .waterfall div:last-child{font-size:17px}
.tool-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:6px}
.tool h2{margin-top:34px;letter-spacing:-.01em}.tool h3{margin-bottom:4px}
.math{background:#f6f7f9;border-radius:12px;padding:12px 16px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:14px;white-space:pre-wrap;overflow-x:auto}
.tcards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:14px}.tcards .card h3 a{text-decoration:none;color:var(--ink)}.tcards .card p{font-size:15px}
@media(max-width:640px){.tool{padding:24px 14px}.calc{padding:14px}#out .kpi .v{font-size:22px}}