:root{--bg: #14161a;--panel: #1c1f24;--panel-2: #262a31;--ink: #ecedf0;--dim: #9aa1ad;--line: #333842;--accent: #6cc3f0;--mark: #f2d43b;--good: #7ddf9a;--bad: #ef6b7b;--c0: #f4f4f0;--c1: #d8483f;--c2: #3fae5b;--c3: #f2d43b;--c4: #f08a32;--c5: #3a73d6}*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--ink)}body{font:15px/1.6 ui-sans-serif,system-ui,-apple-system,Segoe UI,Hiragino Sans,sans-serif}main{max-width:1180px;margin:0 auto;padding:32px 24px 48px}h1{font-size:34px;margin:0 0 8px;letter-spacing:-.01em}h1 span{color:var(--c1);font-weight:600;margin-left:6px}.sub{color:var(--dim);max-width:76ch;margin:0 0 24px}.sub strong{color:var(--ink);font-weight:600}kbd{font:12px ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--ink);border:1px solid var(--line);border-bottom-width:2px;border-radius:4px;padding:0 4px}#wrap{display:flex;gap:28px;align-items:flex-start;flex-wrap:wrap}.stage{flex:1 1 560px;min-width:0}.side{flex:0 1 400px;min-width:280px}h3{font-size:12px;text-transform:uppercase;letter-spacing:.14em;color:var(--dim);font-weight:600;margin:0 0 10px}.controls{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:12px}.sel{color:var(--dim);font-size:13px;display:inline-flex;gap:6px;align-items:center}select,button,input{font:inherit;font-size:13px;color:var(--ink);background:var(--panel-2);border:1px solid var(--line);border-radius:8px;padding:5px 10px}select,button{cursor:pointer}button:hover,select:hover{border-color:var(--dim)}button:disabled{opacity:.4;cursor:default}button.primary{background:var(--accent);color:#0b1a24;border-color:var(--accent);font-weight:600}#cubes{display:grid;grid-template-columns:1fr 1.15fr;gap:12px;align-items:center;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px}#cubes svg{width:100%;height:auto;display:block;-webkit-user-select:none;user-select:none}.st{stroke:#0b0c0e;stroke-width:.12;stroke-linejoin:round;transition:fill .12s}#net .st{stroke-width:.1}.body{fill:#0b0c0e}.flash{stroke:var(--accent);stroke-width:.22}.c0{fill:var(--c0)}.c1{fill:var(--c1)}.c2{fill:var(--c2)}.c3{fill:var(--c3)}.c4{fill:var(--c4)}.c5{fill:var(--c5)}#net text{font:.55px ui-sans-serif,system-ui,sans-serif;fill:var(--dim);text-anchor:middle}#pad{display:grid;grid-template-columns:repeat(6,1fr);gap:6px;margin-top:12px}#pad button{padding:4px 0 3px;display:flex;flex-direction:column;align-items:center;line-height:1.25}#pad button b{font:600 15px ui-monospace,SFMono-Regular,Menlo,monospace}#pad button i{font-style:normal;font-size:12px;font-variant-numeric:tabular-nums;color:var(--dim)}#pad button.good i{color:var(--good)}#pad button.bad i{color:var(--bad)}#pad button.best{border-color:var(--good);box-shadow:0 0 0 1px var(--good) inset}#status{min-height:26px;margin-top:10px;color:var(--dim)}#status.good{color:var(--good)}.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px 16px;margin-bottom:18px}.panel dl{display:grid;grid-template-columns:auto 1fr;gap:4px 14px;margin:0}.panel dt{color:var(--dim)}.panel dd{margin:0;font-variant-numeric:tabular-nums}.panel .note{color:var(--dim);font-size:13px;margin:10px 0 0}.metrics{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.metric{text-align:center}.metric .n{font-size:38px;font-weight:700;line-height:1.1;font-variant-numeric:tabular-nums}.metric .l{color:var(--dim);font-size:12px;text-transform:uppercase;letter-spacing:.1em}.metric .d{font-size:12px;color:var(--dim);font-variant-numeric:tabular-nums}.metric.active .n{color:var(--accent)}#repeat .row{display:flex;gap:6px}#repeat input{flex:1;min-width:0;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}#seqInfo{margin-top:10px;font-size:13px}#seqInfo .err{color:var(--bad)}#trace{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;color:var(--dim);min-height:48px;max-height:160px;overflow:auto}#trace b{color:var(--ink);font-weight:500;margin-right:8px}.notes{margin-top:40px;max-width:940px}.notes h2{font-size:20px;margin:32px 0 10px}.notes p{color:#d3d7de}.notes code{color:var(--mark)}.notes table{border-collapse:collapse;font-size:13px;font-variant-numeric:tabular-nums;margin:12px 0}.notes th,.notes td{padding:3px 10px;border-bottom:1px solid var(--line);text-align:right}.notes th{color:var(--dim);font-weight:600}.notes td.l,.notes th.l{text-align:left}.notes td.z{color:#4a505b}.notes blockquote{margin:12px 0;padding:6px 14px;border-left:3px solid var(--line);color:var(--dim)}.ok{color:var(--good)}.no{color:var(--bad)}footer{margin-top:48px;color:var(--dim);font-size:13px}a{color:var(--accent)}@media (max-width: 640px){#cubes{grid-template-columns:1fr}#pad{grid-template-columns:repeat(3,1fr)}}