:root{--bg: #f4f5f2;--panel: #ffffff;--ink: #1b1d21;--muted: #5c6068;--line: #e2dfd8;--accent: #0f6e5c;--accent-ink: #ffffff;--node-bg: #ffffff;--cyl-line: #b9c4c0;--cyl-shadow: rgba(15, 23, 42, .08);--highlight: #7c1e42;--sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--mono: ui-monospace, "SF Mono", "Cascadia Mono", "JetBrains Mono", Menlo, Consolas, monospace;color-scheme:light}@media (prefers-color-scheme: dark){:root:not([data-theme=light]){--bg: #101214;--panel: #181b1e;--ink: #e8e6e1;--muted: #a3a7ad;--line: #2c3136;--accent: #4cc2a6;--accent-ink: #0c1412;--node-bg: #1f2327;--cyl-line: #3a4046;--cyl-shadow: rgba(0, 0, 0, .35);--highlight: #f29ac0;color-scheme:dark}}:root[data-theme=dark]{--bg: #101214;--panel: #181b1e;--ink: #e8e6e1;--muted: #a3a7ad;--line: #2c3136;--accent: #4cc2a6;--accent-ink: #0c1412;--node-bg: #1f2327;--cyl-line: #3a4046;--cyl-shadow: rgba(0, 0, 0, .35);--highlight: #f29ac0;color-scheme:dark}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--ink);font:15px/1.45 var(--sans);overflow:hidden}a{color:var(--accent);cursor:pointer;text-decoration:none}a:hover{text-decoration:underline}.app{display:grid;grid-template-rows:auto 1fr auto;height:100vh}.top{display:grid;grid-template-columns:auto 1fr auto;grid-template-areas:"brand chapters end" "lede lede lede";gap:6px 24px;padding:14px 24px 0}.brand{grid-area:brand;display:flex;align-items:center;gap:8px;font-weight:700;font-size:17px}.brand .what{font-weight:400;color:var(--muted)}.chapters{grid-area:chapters;display:flex;gap:6px;justify-self:center}.chapters button{font:inherit;font-size:13px;padding:6px 14px;border-radius:999px;border:1px solid var(--line);background:var(--panel);color:var(--ink);cursor:pointer}.chapters button.on{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}.chapters button:disabled{opacity:.45;cursor:default}.lede{grid-area:lede;margin:0;color:var(--muted);font-size:13.5px;max-width:900px}.stage{position:relative;min-height:0}svg.flow{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%}.col-title{font-size:15px;font-weight:600;fill:var(--ink);letter-spacing:.01em}.col-rule{stroke:var(--line);stroke-width:1}.band-label{font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase}.node{cursor:pointer}.node-label{font-size:12.5px;fill:var(--ink);paint-order:stroke;stroke:var(--bg);stroke-width:4px}.cyl-body,.cyl-top{fill:var(--panel);stroke:var(--cyl-line);stroke-width:1.5}.cyl-top{fill:color-mix(in srgb,var(--panel) 85%,#0f6e5c)}.cyl-shadow{fill:var(--cyl-shadow)}.cylinder{cursor:pointer}.entry{cursor:pointer;transition:opacity .2s}.entry .ripple{fill:none;stroke:#d23c3c;stroke-width:1.5;opacity:.6}.particle{cursor:pointer}.particle .trail{fill:none;stroke-width:1.2;stroke-dasharray:3 4;opacity:.55}.particle .dot{filter:drop-shadow(0 0 4px rgba(0,0,0,.18))}.counters text{font-size:13px;fill:var(--muted)}.counters .num{font-weight:700;fill:var(--ink);font-variant-numeric:tabular-nums}.counters .num.hit{fill:#2e9a57}.hotspots{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none}.hotspot{position:absolute;transform:translate(-50%,-50%);pointer-events:auto;width:26px;height:26px;border-radius:50%;border:0;padding:0;background:var(--accent);color:var(--accent-ink);font:700 13px/26px var(--mono);cursor:pointer;box-shadow:0 0 #0f6e5c80;animation:pulse 2.2s infinite}.hotspot span{display:block}@keyframes pulse{0%{box-shadow:0 0 #0f6e5c73}70%{box-shadow:0 0 0 14px #0f6e5c00}to{box-shadow:0 0 #0f6e5c00}}.banner{position:absolute;top:8px;left:50%;transform:translate(-50%);display:flex;align-items:center;gap:14px;padding:10px 16px;background:var(--panel);border:1px solid var(--line);border-left:4px solid #d23c3c;border-radius:8px;box-shadow:0 6px 24px #0000001f;font-size:14px}.banner.p6{border-left-color:#c27c0e}.banner span{color:var(--muted)}.banner button{font:inherit;font-size:13px;padding:4px 10px;border-radius:6px;border:1px solid var(--line);background:var(--bg);color:var(--ink);cursor:pointer}.detail{position:absolute;top:12px;right:16px;bottom:12px;width:min(420px,calc(100% - 32px));display:flex;flex-direction:column;background:var(--panel);border-radius:6px;box-shadow:0 10px 40px #00000038;overflow:hidden;z-index:5}.detail header{color:#fff;padding:18px 44px 16px 20px;position:relative}.detail h3{margin:0;font-size:19px;font-weight:600;line-height:1.3;word-break:break-word}.detail .close{position:absolute;top:10px;right:12px;border:0;background:none;color:#fff;font-size:22px;cursor:pointer}.detail .body{padding:16px 20px 22px;overflow:auto;font-size:14px}.detail blockquote{margin:0 0 14px;padding:10px 12px;background:var(--bg);border-radius:6px;font-size:14.5px}.detail .row{display:grid;grid-template-columns:120px 1fr;gap:10px;padding:5px 0;border-bottom:1px solid var(--line)}.detail .row .k{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.04em;padding-top:2px}.detail h4{margin:16px 0 6px;font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}.detail .answer{white-space:pre-wrap;margin:0;color:var(--ink)}.detail .asked{margin:0;padding-left:20px}.detail .asked li{margin:4px 0}.detail .hint{color:var(--muted);font-size:13px}.bottom{padding:6px 24px 10px}.transport{display:flex;align-items:center;gap:14px}.transport .play{width:38px;height:38px;border-radius:50%;border:0;background:var(--accent);color:var(--accent-ink);font-size:13px;cursor:pointer}.scrub{position:relative;flex:1;height:34px}.scrub .density{position:absolute;left:0;right:0;bottom:18px;width:100%;height:14px;fill:color-mix(in srgb,var(--accent) 35%,transparent)}.scrub input{position:absolute;left:0;right:0;bottom:0;width:100%;accent-color:var(--accent)}.scrub .marker{position:absolute;bottom:14px;width:12px;height:12px;transform:translate(-50%) rotate(45deg);border:0;padding:0;background:#d23c3c;cursor:pointer}.scrub .marker.p6{background:#c27c0e}.time{font:12.5px var(--mono);color:var(--muted);min-width:92px;text-align:right}.speed{display:flex;gap:2px}.speed button{font:12px var(--mono);padding:4px 7px;border:1px solid var(--line);background:var(--panel);color:var(--ink);border-radius:5px;cursor:pointer}.speed button.on{background:var(--ink);color:var(--bg)}.credit{margin:4px 0 0;color:var(--muted);font-size:11.5px}.error{padding:24px;color:#d23c3c}.askbox{position:absolute;left:max(24px,calc(37% - 230px));bottom:6px;width:min(460px,calc(100% - 48px));padding:10px 12px;background:var(--panel);border:1px solid var(--line);border-radius:10px;box-shadow:0 6px 24px #00000014;z-index:4}.askbox label{display:block;font-size:12.5px;font-weight:600;margin-bottom:6px}.askbox .line{display:flex;gap:6px}.askbox input{flex:1;min-width:0;font:inherit;font-size:14px;padding:7px 10px;border:1px solid var(--line);border-radius:7px;background:var(--bg);color:var(--ink)}.askbox button{font:inherit;font-size:14px;padding:6px 14px;border:0;border-radius:7px;background:#d9480f;color:#fff;cursor:pointer}.askbox button:disabled{opacity:.5;cursor:default}.askbox .note{margin:6px 0 0;font-size:11.5px;color:var(--muted)}.particle.visitor circle{filter:drop-shadow(0 0 6px rgba(217,72,15,.45))}.wave{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;grid-template-columns:1fr 1fr;gap:16px;padding:4px 16px 0}.wave-panel{display:flex;flex-direction:column;min-width:0}.wave-panel header h3{margin:0;font-size:16px;display:flex;align-items:center;gap:8px}.wave-panel .is{font-size:11px;font-weight:600;padding:1px 8px;border-radius:999px}.wave-panel .is-observed{border:1px solid var(--line);color:var(--ink)}.wave-panel .is-modeled{background:#e09b16;color:#fff}.wave-panel .stats{margin:4px 0 6px;display:flex;flex-wrap:wrap;gap:4px 16px;font-size:12.5px;color:var(--muted)}.wave-panel .stats b{color:var(--ink);font-variant-numeric:tabular-nums}.wave-panel .stats .stale b{color:#c27c0e}.wave-stage{position:relative}.wave-canvas{display:block;cursor:pointer}.hotspot.inline{position:static;transform:none;width:20px;height:20px;font-size:11px;line-height:20px;animation:none}.hotspot.small{width:20px;height:20px;font-size:11px;line-height:20px}.lede .wave-tab{font:inherit;font-size:12.5px;padding:3px 10px;margin-right:6px;border-radius:999px;border:1px solid var(--line);background:var(--panel);color:var(--ink);cursor:pointer}.lede .wave-tab.on{border-color:var(--ink);font-weight:600}.banner .go{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}.loading{padding:24px;color:var(--muted)}.wave-legend{position:absolute;left:16px;right:16px;bottom:2px;margin:0;display:flex;flex-wrap:wrap;justify-content:center;gap:4px 16px;font-size:12px;color:var(--muted)}.wave-legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:5px;vertical-align:-1px}.wave-legend .shapes{color:var(--ink)}.app svg [fill="#ffffff"],.app svg [fill="#fff"]{fill:var(--node-bg)}.app svg [stroke="#7c1e42"]{stroke:var(--highlight)}.top .end{grid-area:end;display:flex;align-items:center;gap:10px;justify-self:end}.theme-toggle{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:8px;border:1px solid var(--line);background:var(--panel);color:var(--muted);cursor:pointer;padding:0}.theme-toggle:hover{color:var(--ink)}.theme-toggle svg{width:18px;height:18px}.theme-toggle .moon,.theme-toggle.is-dark .sun{display:none}.theme-toggle.is-dark .moon{display:block}.legal{margin:2px 0 0;color:var(--muted);font-size:11px}.legal a{color:var(--muted);text-decoration:underline}.views{position:absolute;top:0;right:0;bottom:0;left:0;display:flex}.flow-pane{position:relative;flex:none}.views.split .flow-pane{border-right:1px solid var(--line)}.meter-pane{position:relative;flex:none}.meter-canvas{display:block;cursor:pointer}.trace-pane{flex:1;min-width:0;display:flex;flex-direction:column;border-left:1px solid var(--line);background:var(--panel)}.trace-pane nav{display:flex;gap:4px;padding:8px 10px;border-bottom:1px solid var(--line)}.trace-pane nav button{font:inherit;font-size:12.5px;padding:3px 10px;border-radius:999px;border:1px solid var(--line);background:var(--bg);color:var(--ink);cursor:pointer}.trace-pane nav button.on{background:var(--ink);color:var(--bg);border-color:var(--ink)}.trace-pane nav button:disabled{opacity:.4;cursor:default}.trace-pane nav .auto{margin-left:auto;border:0;background:none;color:var(--accent);text-decoration:underline}.trace-head{margin:8px 12px 4px;font-size:12px;color:var(--muted)}.trace-list{list-style:none;margin:0;padding:0 0 12px;overflow:auto;font-size:12.5px}.trace-list li{display:flex;gap:8px;align-items:baseline;padding:4px 12px;border-bottom:1px solid var(--line);cursor:pointer;white-space:nowrap}.trace-list li:hover{background:var(--bg)}.trace-list li.sel{background:color-mix(in srgb,var(--accent) 14%,transparent)}.trace-list .t{font:11.5px var(--mono);color:var(--muted);min-width:40px}.trace-list .badge{font-size:10.5px;font-weight:600;padding:0 6px;border:1px solid;border-radius:999px}.trace-list .who{color:var(--muted);font-size:11.5px}.trace-list .what{overflow:hidden;text-overflow:ellipsis}.trace-list .from{color:var(--muted);font-size:11.5px;overflow:hidden;text-overflow:ellipsis}.trace-more{margin:6px 12px;font-size:12px;color:var(--muted)}.detail .rtrace{margin:0;padding-left:20px;font-size:13.5px}.detail .rtrace li{margin:3px 0}.back-to-run{position:absolute;top:4px;right:16px;font:inherit;font-size:13px;padding:4px 10px;border-radius:6px;border:1px solid var(--line);background:var(--panel);color:var(--ink);cursor:pointer;z-index:3}.meter-legend{position:absolute;left:8px;right:8px;bottom:2px;height:40px;align-content:center;margin:0;display:flex;flex-wrap:wrap;justify-content:center;gap:2px 12px;font-size:11.5px;color:var(--muted);pointer-events:none}.meter-legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:5px;vertical-align:-1px}.meter-legend i.hollow{background:none;border:1.5px solid}.meter-legend .shapes{color:var(--ink)}.banner.in-meter{left:16px;transform:none;max-width:calc(64% - 32px);flex-wrap:wrap}.banner.in-split{left:75%;max-width:calc(50% - 32px);flex-wrap:wrap}.brand .home{display:inline-flex;align-items:center;gap:8px;color:var(--ink);text-decoration:none}.brand .home:hover span{text-decoration:underline}