:root{--paper:#f7f5ef;--ink:#203d33;--green:#185246;--line:#c5ccbc;--ochre:#af5835;--sage:#e7ebdd;--muted:#637065;color-scheme:light}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:14px/1.5 Arial,Helvetica,sans-serif}main{padding:24px;max-width:980px;margin:auto}.eyebrow{font:10px/1.4 ui-monospace,monospace;color:var(--ochre);letter-spacing:1.2px;margin:0 0 11px}h1{font:31px/1.16 Georgia,serif;letter-spacing:-.5px;margin:0 0 10px}p{margin:0}.deck{color:var(--muted);font-size:13px;max-width:670px;margin-bottom:17px}.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;margin-bottom:17px}button{font:12px/1.35 Arial,sans-serif;color:var(--ink);background:transparent;border:1px solid var(--line);border-radius:4px;cursor:pointer;min-height:48px;padding:8px;text-align:left}button b{display:block;color:var(--ochre);font:10px ui-monospace,monospace;margin-bottom:4px}button[aria-pressed=true]{color:var(--paper);background:var(--green);border-color:var(--green)}button[aria-pressed=true] b{color:#e4c5a3}button:focus-visible,summary:focus-visible{outline:3px solid var(--ochre);outline-offset:3px}.scene{border:1px solid var(--line);border-radius:7px;padding:20px;background:linear-gradient(115deg,#f2f1e7,#faf8f1);overflow:hidden}.scene-caption{font:10px ui-monospace,monospace;color:var(--muted);display:flex;justify-content:space-between;gap:14px;margin-bottom:20px}.scene-caption strong{color:var(--ochre);font-weight:400}.nodes{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.node{position:relative;background:#f8f7ef;border:1px solid #b5c1b0;border-radius:7px;min-height:143px;padding:11px 9px;text-align:center;display:flex;flex-direction:column;align-items:center;justify-content:center}.node:not(:last-child):after{content:'›';position:absolute;right:-15px;top:47%;font:24px Georgia,serif;color:#9fae9c}.node svg{width:33px;height:33px;stroke:currentColor;fill:none;stroke-width:1.4;margin-bottom:9px}.node h2{font:17px/1.1 Georgia,serif;margin:0 0 9px}.node .value{font:11px/1.4 ui-monospace,monospace;min-height:31px;display:flex;align-items:center}.node.active{background:#1c5243;color:#f8f5e9;border-color:#1c5243;box-shadow:0 5px 12px #123b2812}.node.done{background:#e2ead6;color:#2d4f38;border-color:#a1b69a}.node.blocked{background:#f0e1cf;color:#7f462a;border:1px dashed #af7655}.node.off{opacity:.48;border-style:dashed}.node.released{background:#f8f7ef;color:#697368;border-style:dashed}.node.bad{background:#f2dfd5;color:#853b2b;border-color:#c7866c}.ribbon{margin-top:19px;padding-top:13px;border-top:1px solid var(--line);display:flex;gap:10px;align-items:center;flex-wrap:wrap}.pill{font:11px ui-monospace,monospace;border:1px solid #bdc5b3;background:#e8ecde;padding:7px 10px;border-radius:4px}.pill.warn{background:#f1dfc7;border-color:#d1a77d;color:#7c482b}.bars{margin-top:17px;display:grid;gap:9px}.bar-row{display:grid;grid-template-columns:105px 1fr 95px;gap:10px;align-items:center;font:11px ui-monospace,monospace}.track{height:18px;border:1px solid #bbc5b2;border-radius:3px;background:#e4e9da;overflow:hidden}.fill{height:100%;background:#427660;width:var(--width);transition:width .25s}.bar-row.bad .fill{background:#b7754d}.value-label{text-align:right;color:#7e5436}.bytes{display:flex;gap:6px;margin-top:18px;flex-wrap:wrap}.byte{border:1px solid #9bab93;padding:10px 12px;font:15px ui-monospace,monospace;background:#e1e8d6;border-radius:4px}.byte.missing{border-style:dashed;opacity:.35}.byte.header{background:#e9dbc2}.byte.payload{background:#bdd3b7;color:#1f4e36}.byte.segment{margin-left:12px}.objects{display:flex;gap:6px;flex-wrap:wrap;margin-top:16px;min-height:30px}.obj{width:23px;height:29px;border:1px solid #769776;background:#d5e0c8;border-radius:3px}.obj.waiting{background:#f0dfc6;border-color:#bc9468}.obj.gone{border-style:dashed;background:none;opacity:.25}.obj.bad{background:#e9c4b1;border-color:#aa6747}.verdict{display:grid;grid-template-columns:35px 1fr;gap:11px;padding:18px 0 15px}.verdict>b{font:28px Georgia,serif;color:var(--ochre)}.verdict h2{font:22px/1.2 Georgia,serif;margin:0 0 7px}.verdict p{font-size:13px;line-height:1.65}.code{border-top:1px solid var(--line);padding-top:11px;font-size:11px;color:var(--muted)}summary{cursor:pointer;padding:6px 0}pre{padding:15px;background:#203d33;color:#edf1e4;overflow:auto;font:11px/1.65 ui-monospace,monospace;border-radius:5px;margin:10px 0}.evidence{font-size:10px;line-height:1.6;color:var(--muted);padding-top:12px;border-top:1px solid var(--line);margin-top:12px}.evidence strong{color:#425a47}.playbar{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-top:12px;color:var(--muted);font:10px ui-monospace,monospace}.playbar button{min-height:34px;padding:7px 12px;font-size:11px}.playbar button:disabled{opacity:.45;cursor:default}@media(max-width:510px){main{padding:18px 15px}h1{font-size:27px}.deck{font-size:12px}.steps{gap:4px}.steps button{padding:7px 5px;font-size:10px}.scene{padding:14px}.scene-caption{font-size:9px;margin-bottom:14px}.nodes{grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}.node{min-height:118px;padding:8px}.node h2{font-size:17px}.node svg{width:28px;height:28px;margin-bottom:5px}.node .value{font-size:10px;min-height:28px}.node:not(:last-child):after{display:none}.bar-row{grid-template-columns:75px 1fr 65px;font-size:9px;gap:7px}.track{height:15px}.byte{padding:8px;font-size:12px}.byte.segment{margin-left:7px}.verdict{grid-template-columns:29px 1fr;gap:8px}.verdict h2{font-size:21px}.verdict p{font-size:12px}.ribbon{gap:6px}.pill{font-size:10px;padding:6px}.playbar{font-size:9px}.evidence{font-size:9px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
.code pre{max-height:120px;margin:8px 0;scrollbar-width:thin}.code p{font-size:10px;line-height:1.4}.node.released:after,.node.off:after{content:"×";color:#af5835}.node svg{flex-shrink:0}
@media(max-width:510px){.code pre{max-height:96px}.node{min-height:110px}}