@font-face{font-family:Archivo;font-style:normal;font-display:swap;font-weight:400;src:url(./archivo-latin-400-normal-C81ewxNO.woff2) format("woff2"),url(./archivo-latin-400-normal-Bl602Mgc.woff) format("woff")}@font-face{font-family:Archivo;font-style:normal;font-display:swap;font-weight:500;src:url(./archivo-latin-500-normal-CGugC8dq.woff2) format("woff2"),url(./archivo-latin-500-normal-pkzA7jw9.woff) format("woff")}@font-face{font-family:Archivo;font-style:normal;font-display:swap;font-weight:600;src:url(./archivo-latin-600-normal-3BBy0ZsW.woff2) format("woff2"),url(./archivo-latin-600-normal-DwYieO8P.woff) format("woff")}@font-face{font-family:Archivo;font-style:normal;font-display:swap;font-weight:800;src:url(./archivo-latin-800-normal-cB6v3kRN.woff2) format("woff2"),url(./archivo-latin-800-normal-DZa_k145.woff) format("woff")}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:400;src:url(./ibm-plex-mono-latin-400-normal-DMJ8VG8y.woff2) format("woff2"),url(./ibm-plex-mono-latin-400-normal-CvHOgSBP.woff) format("woff")}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:500;src:url(./ibm-plex-mono-latin-500-normal-DSY6xOcd.woff2) format("woff2"),url(./ibm-plex-mono-latin-500-normal-CB9ihrfo.woff) format("woff")}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:600;src:url(./ibm-plex-mono-latin-600-normal-BgSNZQsw.woff2) format("woff2"),url(./ibm-plex-mono-latin-600-normal-DWFSQ4vo.woff) format("woff")}:root{color-scheme:dark;--ground: #05070c;--panel: #0a0e16;--panel-solid: #0a0e16;--line: #1a2231;--line-soft: #131a26;--text: #d7dee9;--dim: #7b8798;--dimmer: #55606f;--halt: #ffae3d;--halt-deep: #6b3a10;--loop: #46d3e6;--loop-deep: #10475a;--start: #ff5ea8;--rail-w: 374px}*{box-sizing:border-box}body{margin:0;height:100vh;overflow:hidden;background:var(--ground);color:var(--text);font-family:Archivo,Helvetica Neue,Arial,sans-serif;font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}#gl{position:fixed;top:0;right:0;bottom:0;left:0;display:block;width:100%;height:100%;transition:opacity .5s}body.staged #gl{opacity:0}#stage{position:fixed;z-index:2;display:none;flex-direction:column;gap:10px;align-items:center;justify-content:center}body.staged #stage{display:flex}#stageCanvas{display:block}.stage-cap{font-family:IBM Plex Mono,ui-monospace,monospace;font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--dimmer);text-align:center}.stage-now{display:flex;align-items:baseline;gap:9px;flex-wrap:wrap;justify-content:center;font-family:IBM Plex Mono,ui-monospace,monospace;font-size:12.5px;letter-spacing:.03em;color:var(--dimmer);min-height:19px;text-align:center}.stage-now .q{color:var(--halt);font-weight:600;font-size:15px;letter-spacing:.1em}.stage-now .bit{color:var(--text);font-weight:600}.stage-now .arr{color:#2f3a4c}.stage-now .go{color:var(--start);font-weight:600}.stage-now .stop{color:var(--halt);font-weight:600;letter-spacing:.12em}.stage-cap b{color:var(--halt);font-weight:600}.stage-cap i{color:var(--start);font-style:normal;font-weight:600}.stage-cap u{color:var(--loop);text-decoration:none;font-weight:600}#rail{position:fixed;top:0;left:0;bottom:0;width:var(--rail-w);z-index:4;display:flex;flex-direction:column;background:color-mix(in srgb,var(--panel) 86%,transparent);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-right:1px solid var(--line);transition:transform .32s cubic-bezier(.4,0,.2,1)}#rail.hidden{transform:translate(calc(-1 * var(--rail-w) - 4px))}.rail-head{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;padding:18px 18px 14px;border-bottom:1px solid var(--line)}.rail-head h1{margin:0;font-family:IBM Plex Mono,ui-monospace,monospace;font-size:15px;font-weight:600;letter-spacing:.13em;text-transform:uppercase;color:var(--text)}.rail-head .sub{margin:5px 0 0;font-size:11.5px;color:var(--dim);letter-spacing:.01em}.rail-body{flex:1;overflow-y:auto;overscroll-behavior:contain;padding:0 18px 26px;display:flex;flex-direction:column;gap:22px}.rail-body::-webkit-scrollbar{width:9px}.rail-body::-webkit-scrollbar-thumb{background:var(--line);border-radius:9px}section{display:flex;flex-direction:column;gap:10px}section:first-child{margin-top:20px}.label{font-family:IBM Plex Mono,ui-monospace,monospace;font-size:9.5px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--dimmer);display:flex;align-items:baseline;justify-content:space-between;gap:8px}.label em{font-style:normal;color:var(--dim);letter-spacing:.1em}.verdicts{display:flex;flex-direction:column;gap:1px;background:var(--line-soft);border:1px solid var(--line);border-radius:3px;overflow:hidden}.verdict{padding:11px 13px;background:var(--panel-solid);display:flex;flex-direction:column;gap:3px}.verdict .where{font-family:IBM Plex Mono,ui-monospace,monospace;font-size:9.5px;letter-spacing:.15em;text-transform:uppercase;color:var(--dimmer)}.verdict .fate{font-size:14.5px;font-weight:600;letter-spacing:-.01em}.verdict .fate.halts{color:var(--halt)}.verdict .fate.loops{color:var(--loop)}.verdict .fate.unknown{color:var(--dim)}.verdict .detail{font-family:IBM Plex Mono,ui-monospace,monospace;font-size:11px;color:var(--dim);font-variant-numeric:tabular-nums}.agree{display:flex;align-items:center;gap:7px;padding:9px 13px;font-size:11.5px;background:var(--panel-solid);border-top:1px solid var(--line)}.agree .dot{width:6px;height:6px;border-radius:50%;flex:none}.agree.match{color:var(--dim)}.agree.match .dot{background:var(--dim)}.agree.miss{color:var(--start)}.agree.miss .dot{background:var(--start);box-shadow:0 0 8px var(--start)}.tapewrap{position:relative;border:1px solid var(--line);border-radius:3px;overflow:hidden;background:#04050a}#spacetime{display:block;width:100%;height:auto}.tapecap{font-family:IBM Plex Mono,ui-monospace,monospace;font-size:10px;color:var(--dimmer);font-variant-numeric:tabular-nums;line-height:1.5;word-break:break-word}.tapecap .q{color:var(--halt);font-weight:600}.tapecap .h{color:var(--start);font-weight:600}.seg{display:inline-flex;border:1px solid var(--line);border-radius:2px;overflow:hidden;flex:none}.seg button{border:none;border-radius:0;padding:3px 7px;font-size:9px;letter-spacing:.09em;color:var(--dimmer);background:transparent}.seg button+button{border-left:1px solid var(--line)}.seg button:hover{color:var(--text);border:none}.seg button+button:hover{border-left:1px solid var(--line)}.seg button.on{color:var(--ground);background:var(--halt);font-weight:600}.row{display:flex;flex-direction:column;gap:7px}.row .cap{display:flex;justify-content:space-between;align-items:baseline;gap:8px;font-size:12px;color:var(--dim)}.row .cap b{color:var(--text);font-weight:600;font-variant-numeric:tabular-nums}.row .cap .aside{font-family:IBM Plex 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var(--line);border-radius:2px;font-family:IBM Plex Mono,ui-monospace,monospace;font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--dim);cursor:pointer;-webkit-user-select:none;user-select:none;background:transparent;transition:color .15s,border-color .15s}.toggle:hover{color:var(--text);border-color:var(--dim)}.toggle input{-webkit-appearance:none;-moz-appearance:none;appearance:none;margin:0;width:7px;height:7px;border-radius:50%;background:var(--line);border:none;cursor:pointer;transition:background .15s,box-shadow .15s}.toggle input:checked{background:var(--halt);box-shadow:0 0 7px #ffae3db3}.toggle:has(input:checked){border-color:#2c3849}.toggle input:focus-visible{outline:2px solid var(--start);outline-offset:2px}.stats{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:3px;overflow:hidden}.stat{background:var(--panel-solid);padding:9px 11px;display:flex;flex-direction:column;gap:2px}.stat .k{font-family:IBM Plex Mono,ui-monospace,monospace;font-size:9px;letter-spacing:.13em;text-transform:uppercase;color:var(--dimmer)}.stat .v{font-family:IBM Plex Mono,ui-monospace,monospace;font-size:14px;font-weight:500;font-variant-numeric:tabular-nums;color:var(--text)}.stat .v.halt{color:var(--halt)}.stat .v.loop{color:var(--loop)}.stat .v.start{color:var(--start)}.legend{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px}.legend li{display:grid;grid-template-columns:14px 1fr;gap:9px;align-items:start;font-size:12px;color:var(--dim);line-height:1.45}.legend b{color:var(--text);font-weight:600}.legend .sw{width:10px;height:10px;margin-top:4px;border-radius:50%}.sw.h{background:var(--halt);box-shadow:0 0 9px var(--halt)}.sw.l{background:var(--loop);box-shadow:0 0 9px var(--loop)}.sw.s{background:var(--start);box-shadow:0 0 9px var(--start)}.sw.d{background:linear-gradient(180deg,#fff0c2,var(--halt-deep));border-radius:2px}.note{font-size:11.5px;color:var(--dimmer);line-height:1.55;margin:0}.note b{color:var(--dim);font-weight:600}#dock{position:fixed;left:calc(var(--rail-w) + 22px);right:22px;bottom:20px;z-index:3;margin:0 auto;max-width:720px;display:flex;flex-direction:column;gap:12px;transition:left .32s cubic-bezier(.4,0,.2,1)}#rail.hidden~#dock{left:22px}#nav,#tour{background:color-mix(in srgb,var(--panel) 90%,transparent);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border:1px solid var(--line);border-radius:4px;overflow:hidden}#tour{display:none;padding:15px 17px 16px;flex-direction:column;gap:9px}body.touring #tour{display:flex}body.touring #nav .navrow,body.touring #nav .presets{display:none}body.touring .qcard .qr{padding:3px 8px}.tour-top{display:flex;align-items:center;gap:12px}.tour-count{font-family:IBM Plex Mono,ui-monospace,monospace;font-size:9.5px;letter-spacing:.16em;color:var(--dimmer);font-variant-numeric:tabular-nums;flex:none}.tour-dots{display:flex;gap:4px;flex:1;align-items:center}.tour-dots i{width:5px;height:5px;border-radius:50%;background:var(--line);transition:background .2s,transform .2s}.tour-dots i.seen{background:#3a4557}.tour-dots i.now{background:var(--halt);transform:scale(1.5)}.tour-skip{border:none;padding:2px 0;color:var(--dimmer);font-size:9.5px;letter-spacing:.12em}.tour-skip:hover{color:var(--text);border:none}#tour h2{margin:0;font-size:17px;font-weight:600;letter-spacing:-.015em;color:var(--text);text-wrap:balance}#tour p{margin:0;font-size:13.5px;line-height:1.55;color:var(--dim);max-width:62ch}#tour p b{color:var(--text);font-weight:600}#tour p .amber{color:var(--halt);font-weight:600}#tour p .cyan{color:var(--loop);font-weight:600}#tour p .mag{color:var(--start);font-weight:600}#tour p .num{font-family:IBM Plex Mono,ui-monospace,monospace;font-variant-numeric:tabular-nums;color:var(--text)}.tour-nav{display:flex;gap:8px;align-items:center;margin-top:2px}.tour-nav .grow{flex:1}.tour-hint{font-family:IBM Plex Mono,ui-monospace,monospace;font-size:9.5px;letter-spacing:.1em;color:var(--dimmer);text-transform:uppercase}.spot{outline:1px solid var(--start);outline-offset:6px;border-radius:2px;animation:spotpulse 2.4s ease-in-out infinite}@keyframes spotpulse{0%,to{outline-color:#ff5ea8cc}50%{outline-color:#ff5ea82e}}.sprocket{height:9px;background:repeating-linear-gradient(90deg,transparent 0 7px,var(--line-soft) 7px 12px,transparent 12px 19px);border-bottom:1px solid var(--line);opacity:.9}.machine{padding:13px 15px 14px;display:flex;flex-direction:column;gap:12px}.states{display:flex;gap:7px;overflow-x:auto;padding-bottom:2px}.states::-webkit-scrollbar{height:6px}.states::-webkit-scrollbar-thumb{background:var(--line);border-radius:6px}.qcard{flex:1 1 0;min-width:92px;border:1px solid var(--line);border-radius:2px;overflow:hidden;font-family:IBM Plex Mono,ui-monospace,monospace}.qcard .qh{padding:3px 8px;font-size:10px;font-weight:600;letter-spacing:.16em;color:var(--dimmer);background:var(--line-soft);border-bottom:1px solid var(--line)}.qcard .qt{display:flex;flex-direction:column}.qcard .qr{display:flex;align-items:center;gap:6px;padding:4px 8px;font-size:11px}.qcard .qr+.qr{border-top:1px solid var(--line-soft)}.qcard .qr.firing{background:#ffae3d29}.qcard .qr.firing .read{color:var(--text)}.qcard.active{border-color:#4a3a1c}.qcard.active .qh{color:var(--halt);background:#ffae3d17}.qcard .read{color:var(--dimmer)}.qcard .arrow{color:var(--dimmer);font-size:9px}.qcard .act{color:var(--text);letter-spacing:.04em}.qcard .act.stop{color:var(--halt);font-weight:600}.navrow{display:flex;align-items:center;gap:8px;flex-wrap:wrap}#code{flex:1 1 240px;min-width:0;background:#04060b;border:1px solid var(--line);border-radius:2px;color:var(--text);font-family:IBM Plex Mono,ui-monospace,monospace;font-size:11.5px;letter-spacing:.02em;padding:7px 9px}#code:focus{outline:none;border-color:var(--halt)}#code.bad{border-color:var(--start)}button{font-family:IBM Plex Mono,ui-monospace,monospace;font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--dim);background:transparent;border:1px solid var(--line);border-radius:2px;padding:7px 11px;cursor:pointer;transition:color .15s,border-color .15s}button:hover{color:var(--text);border-color:var(--dim)}button:focus-visible{outline:2px solid var(--start);outline-offset:2px}button.primary{color:var(--halt);border-color:#3a2c14}button.primary:hover{border-color:var(--halt)}.presets{display:flex;gap:6px;flex-wrap:wrap}.chip{font-family:IBM Plex Mono,ui-monospace,monospace;font-size:10px;letter-spacing:.06em;padding:5px 9px;border:1px solid var(--line);border-radius:2px;color:var(--dim);background:transparent;cursor:pointer;text-transform:none}.chip:hover{color:var(--text);border-color:var(--dim)}.chip.on{color:var(--ground);background:var(--halt);border-color:var(--halt);font-weight:600}#railopen{position:fixed;left:0;top:18px;z-index:5;border-left:none;border-radius:0 3px 3px 0;background:color-mix(in srgb,var(--panel) 92%,transparent);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);opacity:0;pointer-events:none;transition:opacity .25s}#rail.hidden~#railopen{opacity:1;pointer-events:auto}.icon-btn{padding:4px 8px;font-size:13px;letter-spacing:0;line-height:1}#tip{position:fixed;z-index:6;pointer-events:none;background:color-mix(in srgb,#060910 94%,transparent);border:1px solid var(--line);border-radius:3px;padding:7px 10px;font-family:IBM Plex Mono,ui-monospace,monospace;font-size:11px;line-height:1.5;color:var(--text);opacity:0;transition:opacity .12s;max-width:300px;font-variant-numeric:tabular-nums}#tip.show{opacity:1}#tip .tq{color:var(--halt);font-weight:600}#tip .tw{letter-spacing:.12em;word-break:break-all}#tip .th{color:var(--start);font-weight:600}#tip .tm{color:var(--dim)}#boot{position:fixed;top:0;right:0;bottom:0;left:0;z-index:9;display:grid;place-items:center;background:var(--ground);font-family:IBM Plex Mono,ui-monospace,monospace;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--dim);transition:opacity .4s}#boot.gone{opacity:0;pointer-events:none}@media (max-width: 900px){:root{--rail-w: 320px}#tour h2{font-size:15.5px}#tour p{font-size:12.5px}.qcard{min-width:78px}.qcard .qr{gap:4px;padding:4px 6px;font-size:10px}.qcard .read{font-size:9px}.machine{padding:11px 12px 12px}#dock{left:14px;right:14px;bottom:14px}#rail:not(.hidden)~#dock{display:none}}@media (prefers-reduced-motion: reduce){#rail,#dock,#tip,#boot{transition:none}.spot{animation:none}}