.blueprint{--site-accent: #2c63d6;--site-line: color-mix(in srgb, var(--fg) 12%, transparent);--site-line-strong: color-mix(in srgb, var(--fg) 18%, transparent);position:relative}:root[data-theme=dark] .blueprint,:root:not([data-theme=light]) .blueprint{--site-accent: #6ea0ff}.blueprint:before{content:"";position:fixed;inset:0;z-index:-1;background-image:linear-gradient(var(--site-line) 1px,transparent 1px),linear-gradient(90deg,var(--site-line) 1px,transparent 1px);background-size:22px 22px;-webkit-mask-image:radial-gradient(circle at 50% 30%,#000 60%,transparent 100%);mask-image:radial-gradient(circle at 50% 30%,#000 60%,transparent 100%);opacity:.32;pointer-events:none}.blueprint .eyebrow{font-family:var(--font-mono);font-size:.75rem;letter-spacing:.18em;text-transform:uppercase;color:var(--site-accent);margin-bottom:.4rem}.site-rail,.site-chips{--rail-accent: #2c63d6}:root[data-theme=dark] .site-rail,:root:not([data-theme=light]) .site-rail,:root[data-theme=dark] .site-chips,:root:not([data-theme=light]) .site-chips{--rail-accent: #6ea0ff}.site-rail{display:none}.site-chips{display:flex;flex-wrap:wrap;gap:.4rem;margin:0 0 1.25rem}.site-chips a{white-space:nowrap;font-size:.82rem;padding:.3rem .75rem;border:1px solid color-mix(in srgb,var(--fg) 20%,transparent);border-radius:999px;color:var(--fg);text-decoration:none}.site-chips a.active{background:var(--rail-accent);color:#fff;border-color:var(--rail-accent)}@media(min-width:1100px){.site-chips{display:none}.site-rail{display:flex;flex-direction:column;gap:.1rem;position:fixed;top:5.5rem;left:max(1rem,calc((100vw - 38rem)/2 - 14rem));width:12rem;font-size:.9rem}.site-rail .rail-title{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.15em;text-transform:uppercase;color:var(--muted);margin-bottom:.45rem}.site-rail a{color:var(--muted);text-decoration:none;padding:.28rem .55rem;border-radius:5px;border-left:2px solid transparent}.site-rail a:hover{color:var(--fg)}.site-rail a.active{color:var(--fg);border-left-color:var(--rail-accent);background:color-mix(in srgb,var(--rail-accent) 14%,transparent)}}@media print{.site-rail,.site-chips{display:none!important}}.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(13rem,1fr));gap:.75rem;padding:0;margin:1.5rem 0;list-style:none}.tool-grid li{margin:0}.tool-card{display:block;border:1px solid var(--site-line-strong);border-radius:8px;padding:.9rem 1rem;text-decoration:none;color:var(--fg);background:color-mix(in srgb,var(--bg) 88%,transparent);transition:border-color .15s,transform .15s}.tool-card:hover{border-color:var(--site-accent);transform:translateY(-2px)}.tool-card[aria-disabled=true]{opacity:.5;pointer-events:none}.tool-card .t{font-family:var(--font-sans);font-weight:600;display:block}.tool-card .d{font-size:.85rem;color:var(--muted);margin-top:.2rem;display:block}.tool-card .tag{font-family:var(--font-mono);font-size:.65rem;letter-spacing:.1em;text-transform:uppercase;color:var(--site-accent)}.tool-card .tool-ico{font-size:1.5rem;line-height:1;display:block;margin-bottom:.45rem}.site-group-title{font-family:var(--font-sans);font-size:1.05rem;font-weight:600;letter-spacing:-.01em;margin:1.9rem 0 .4rem}.site-recent[hidden]{display:none}.site-recent .site-group-title{margin-top:1rem}.tool form{margin:1.25rem 0}.field{display:flex;flex-direction:column;gap:.3rem;margin:.6rem 0}.field label{font-size:.8rem;color:var(--muted);font-family:var(--font-sans)}.tool input[type=number],.tool input[type=text],.tool select{font-family:var(--font-mono);font-size:1rem;padding:.5rem .6rem;border:1px solid var(--site-line-strong);border-radius:6px;background:var(--bg);color:var(--fg);width:100%}.tool input:focus,.tool select:focus,.tool textarea:focus{outline:2px solid var(--site-accent);outline-offset:1px}.tool textarea{font-family:var(--font-sans);font-size:.95rem;padding:.5rem .6rem;border:1px solid var(--site-line-strong);border-radius:6px;background:var(--bg);color:var(--fg);width:100%;resize:vertical}.rec-tabs{display:flex;flex-wrap:wrap;gap:.4rem;margin:1rem 0 1.25rem}.rec-card{border:1px solid var(--site-line);border-radius:8px;padding:.75rem .9rem;margin:.6rem 0}.rec-card-head{display:flex;align-items:center;justify-content:space-between;gap:.6rem}.rec-title{font-family:var(--font-sans);font-weight:600}.rec-chip{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.08em;text-transform:uppercase;color:var(--site-accent);border:1px solid var(--site-line-strong);border-radius:999px;padding:.12rem .5rem;white-space:nowrap}.rec-sub{font-size:.9rem;margin-top:.25rem}.rec-meta{font-family:var(--font-mono);font-size:.75rem;color:var(--muted);margin-top:.4rem}.row-grid{display:grid;grid-template-columns:1fr 6rem 4rem auto;gap:.5rem;align-items:end}.row-grid .field{margin:.25rem 0}.btn{font-family:var(--font-sans);font-size:.95rem;font-weight:600;padding:.55rem 1rem;border-radius:6px;cursor:pointer;border:1px solid var(--site-accent);background:var(--site-accent);color:#fff}.btn:hover{filter:brightness(1.08)}.btn-ghost{background:none;color:var(--fg);border-color:var(--site-line-strong)}.btn-sm{font-size:.8rem;padding:.35rem .6rem}.btn-row{display:flex;flex-wrap:wrap;gap:.5rem;margin:.75rem 0}.result{border-top:1px solid var(--site-line-strong);margin-top:1.5rem;padding-top:1rem}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(7rem,1fr));gap:.5rem}.stat{border:1px solid var(--site-line);border-radius:6px;padding:.6rem .75rem}.stat .n{font-family:var(--font-mono);font-size:1.3rem;font-weight:600}.stat .l{font-size:.72rem;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}.warn{color:#b4540a;font-size:.9rem}:root[data-theme=dark] .warn,:root:not([data-theme=light]) .warn{color:#f0a868}.bars{display:flex;flex-direction:column;gap:.55rem;margin:1rem 0}.bar-label{font-family:var(--font-mono);font-size:.72rem;color:var(--muted);margin-bottom:.15rem}.bar{display:flex;height:30px;border-radius:4px;overflow:hidden;border:1px solid var(--site-line-strong);font-family:var(--font-mono)}.seg{display:flex;align-items:center;justify-content:center;font-size:11px;color:#fff;background:var(--site-accent);border-right:1px solid color-mix(in srgb,#000 22%,transparent);overflow:hidden;white-space:nowrap;min-width:0}.seg:last-child{border-right:none}.seg.offcut{background:color-mix(in srgb,var(--fg) 14%,transparent);color:var(--muted)}.note-foot{font-size:.8rem;color:var(--muted);margin-top:1.5rem}.calc{border-top:1px solid var(--site-line-strong);padding-top:1.25rem;margin-top:1.75rem;scroll-margin-top:1rem}.calc:first-child{border-top:none;padding-top:0;margin-top:1rem}.calc h2{font-size:1.05rem;margin-top:0}.calc-blurb{font-size:.85rem;color:var(--muted);margin:.25rem 0 .6rem}.calc-fields{display:grid;grid-template-columns:repeat(auto-fit,minmax(8rem,1fr));gap:.5rem}.calc-result{border-top:none;margin-top:1rem;padding-top:0}.conv-grid{display:grid;grid-template-columns:1fr auto 1fr;gap:.6rem;align-items:end}.conv-swap{align-self:end;margin-bottom:.1rem}.conv-out{font-family:var(--font-mono);font-size:1.5rem;font-weight:600;margin-top:1rem;word-break:break-word}.saved-row{display:flex;justify-content:space-between;align-items:center;gap:.5rem;padding:.35rem 0;border-bottom:1px solid var(--site-line)}.saved-row span{font-family:var(--font-mono);font-size:.9rem}.disclosure{font-size:.8rem;color:var(--muted);border-left:2px solid var(--site-accent);padding-left:.6rem;margin:.75rem 0}.notepad-help{display:flex;flex-wrap:wrap;gap:.4rem;align-items:center;margin:1rem 0;color:var(--muted);font-size:.85rem}.notepad-help code{border:1px solid var(--site-line);border-radius:999px;padding:.18rem .45rem;background:color-mix(in srgb,var(--bg) 86%,transparent)}.notepad-shell{display:grid;grid-template-columns:minmax(0,1fr) minmax(12rem,16rem);gap:.75rem;align-items:stretch}#calc-note{min-height:420px;font-family:var(--font-mono);line-height:1.7;white-space:pre}.notepad-results{min-height:420px;border:1px solid var(--site-line-strong);border-radius:6px;background:color-mix(in srgb,var(--bg) 92%,transparent);padding:.5rem .6rem;font-family:var(--font-mono);overflow:auto}.note-result{display:flex;align-items:center;justify-content:flex-end;min-height:1.7em;color:var(--muted);border-bottom:1px solid var(--site-line);white-space:nowrap}.note-result.ok{color:var(--fg)}.note-result.err{color:#b4540a;font-size:.8rem}:root[data-theme=dark] .note-result.err,:root:not([data-theme=light]) .note-result.err{color:#f0a868}.pad-wrap{border:1px solid var(--site-line-strong);border-radius:8px;overflow:hidden;background:#fff;touch-action:none}#pad{display:block;width:100%;height:460px;cursor:crosshair;touch-action:none}.swatch{width:26px;height:26px;border-radius:50%;border:2px solid var(--site-line-strong);cursor:pointer;padding:0}.swatch.active{outline:2px solid var(--site-accent);outline-offset:2px}#transcript{width:100%;min-height:220px;font-family:var(--font-mono);font-size:.95rem;padding:.6rem;border:1px solid var(--site-line-strong);border-radius:6px;background:var(--bg);color:var(--fg);resize:vertical}.interim{color:var(--muted);font-style:italic;min-height:1.2em}.rec-dot{display:inline-block;width:9px;height:9px;border-radius:50%;background:#d33;margin-right:.4rem;animation:pulse 1s infinite}@keyframes pulse{50%{opacity:.3}}.sheets{display:flex;flex-direction:column;gap:1rem;margin:1rem 0}.sheet-svg{width:100%;height:auto;border:1px solid var(--site-line-strong);border-radius:6px;background:#fff;display:block;max-height:80vh}.sheet-svg rect.part{fill:var(--site-accent);stroke:#fff;stroke-width:2;vector-effect:non-scaling-stroke}.sheet-svg text{fill:#fff;font-family:var(--font-mono);pointer-events:none}.pdf-row{display:flex;justify-content:space-between;align-items:center;gap:.5rem;padding:.4rem 0;border-bottom:1px solid var(--site-line)}.pdf-label{font-family:var(--font-mono);font-size:.85rem;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.pdf-ctrls{display:flex;gap:.25rem;white-space:nowrap}.dropzone{border:1.5px dashed var(--site-line-strong);border-radius:8px;padding:1.25rem;text-align:center;color:var(--muted)}@media print{header,footer,.no-print,.blueprint:before{display:none!important}body{max-width:none;padding:0}.tool input,.tool select{border-color:#999}.btn,.btn-row{display:none!important}.calc:not([data-touched]){display:none!important}.calc-blurb{display:none}}@media(max-width:760px){.notepad-shell{grid-template-columns:1fr}#calc-note,.notepad-results{min-height:280px}}.blueprint .seg-toggle{display:inline-flex;margin:.25rem 0 1rem;border:1px solid var(--rule);border-radius:8px;overflow:hidden}.blueprint .seg-toggle a{padding:.45rem 1rem;font-size:.9rem;font-family:var(--font-sans);color:var(--muted);text-decoration:none;background:var(--bg)}.blueprint .seg-toggle a+a{border-left:1px solid var(--rule)}.blueprint .seg-toggle a:hover{color:var(--fg)}.blueprint .seg-toggle a.active{background:var(--fg);color:var(--bg);font-weight:600}