:root{color-scheme:light dark;--bg: #fbfbfa;--bg-panel: #ffffff;--bg-sunken: #f4f4f2;--border: #e2e0dc;--border-strong: #cbc8c2;--text: #1c1b19;--text-dim: #6b6862;--text-faint: #918d86;--accent: #2b6cb0;--accent-soft: #eaf1fb;--error: #b42318;--error-bg: #fdecea;--warning: #a15c07;--warning-bg: #fdf3e3;--info: #245ea6;--info-bg: #eaf1fb;--ok: #2f6f43;--ok-bg: #e9f4ec;--star: #c08a1e;--mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;--sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--radius: 6px;--page: 1180px}@media(prefers-color-scheme:dark){:root{--bg: #16161a;--bg-panel: #1d1d22;--bg-sunken: #131316;--border: #2c2c33;--border-strong: #3d3d46;--text: #e8e6e3;--text-dim: #a09d98;--text-faint: #74716c;--accent: #7aa8de;--accent-soft: #1a2331;--error: #f2837a;--error-bg: #35201e;--warning: #e0ae62;--warning-bg: #322619;--info: #85b2e8;--info-bg: #1a2331;--ok: #7cc494;--ok-bg: #1b2a20;--star: #e0b954}}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:var(--sans);font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased}main{max-width:var(--page);margin:0 auto;padding:clamp(1rem,3vw,2.5rem) clamp(1rem,3vw,2rem) 4rem}h1,h2,h3,h4{margin:0;font-weight:650;letter-spacing:-.01em}code,pre,kbd{font-family:var(--mono)}p{margin:0 0 .75rem}p:last-child{margin-bottom:0}.prose{max-width:74ch}.prose code{font-size:.88em;padding:.1em .3em;background:var(--bg-sunken);border-radius:3px}.hint,.empty{color:var(--text-dim);font-size:.88rem;max-width:80ch}.setup-error{padding:.75rem 1rem;border-radius:var(--radius);background:var(--error-bg);color:var(--error)}button{font:inherit;cursor:pointer;border-radius:var(--radius);border:1px solid var(--border-strong);background:var(--bg-panel);color:var(--text);padding:.4rem .8rem;transition:background .12s ease,border-color .12s ease}button:hover:not(:disabled){border-color:var(--accent)}button:disabled{opacity:.45;cursor:not-allowed}button:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--accent);outline-offset:2px}button.primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600;padding:.5rem 1.2rem}@media(prefers-color-scheme:dark){button.primary{color:#10141a}}button.ghost{border-color:transparent;background:transparent;color:var(--text-dim);padding:.25rem .5rem;font-size:.85rem}button.ghost:hover:not(:disabled){color:var(--text);background:var(--bg-sunken);border-color:transparent}button.ghost.danger:hover{color:var(--error)}button.link{border:none;background:none;padding:0;color:var(--accent);text-align:left;text-decoration:underline;text-underline-offset:2px}.stars{white-space:nowrap;letter-spacing:.05em}.star{color:var(--border-strong)}.star.on{color:var(--star)}.tag{display:inline-block;padding:.05rem .45rem;border-radius:999px;border:1px solid var(--border);background:var(--bg-sunken);color:var(--text-dim);font-size:.72rem;letter-spacing:.02em;text-transform:lowercase}.tag.difficulty-boss{color:var(--error);border-color:var(--error)}.tag.difficulty-hard{color:var(--warning);border-color:var(--warning)}.tag.mode-forensics,.tag.mode-autopsy{color:var(--info)}.tag.mode-adversary{color:var(--error)}.stat{font-size:.85rem;color:var(--text-dim)}.hero{padding-bottom:1.5rem;border-bottom:1px solid var(--border);margin-bottom:2rem}.hero h1{font-size:2rem;letter-spacing:.08em}.hero .tagline{max-width:68ch;color:var(--text-dim);margin-top:.5rem}.scoreboard{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem 1.5rem;margin-top:1rem}.act{margin-bottom:2.5rem}.act.locked{opacity:.6}.act-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:.5rem 1rem;border-bottom:1px solid var(--border);padding-bottom:.4rem}.act-head h2{font-size:1.15rem}.act-tagline{margin:0;color:var(--accent);font-size:.88rem}.act-progress{font-variant-numeric:tabular-nums;color:var(--text-dim);font-size:.85rem}.act-summary{max-width:78ch;color:var(--text-dim);font-size:.9rem;margin:.6rem 0 1rem}.lock-note{color:var(--text-faint);font-size:.85rem}.level-grid{display:grid;gap:.75rem;grid-template-columns:repeat(auto-fill,minmax(230px,1fr))}.level-card{display:flex;flex-direction:column;gap:.4rem;align-items:stretch;text-align:left;padding:.8rem .9rem;border:1px solid var(--border);background:var(--bg-panel)}.level-card.done{border-color:var(--ok)}.level-card h3{font-size:1rem}.card-top,.card-foot{display:flex;align-items:center;justify-content:space-between;gap:.5rem}.level-id{font-family:var(--mono);font-size:.75rem;color:var(--text-faint)}.card-subtitle{margin:0;color:var(--text-dim);font-size:.85rem;flex:1}.attempts{font-size:.75rem;color:var(--text-faint)}.map-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1rem;border-top:1px solid var(--border);padding-top:1rem}.level-head{display:flex;flex-wrap:wrap;align-items:flex-start;gap:.75rem 1.25rem;border-bottom:1px solid var(--border);padding-bottom:1rem;margin-bottom:1.25rem}.level-titles{flex:1 1 20rem}.level-titles h1{font-size:1.4rem}.subtitle{margin:.15rem 0 0;color:var(--text-dim)}.level-meta{display:flex;flex-wrap:wrap;align-items:center;gap:.4rem}.banner{padding:.6rem .9rem;border-radius:var(--radius);background:var(--info-bg);color:var(--info);font-size:.88rem;margin-bottom:1rem}.mode-blurb{color:var(--accent);font-size:.88rem;font-weight:600}.link-conditions{margin-top:.75rem;padding:.5rem .75rem;border-left:3px solid var(--warning);background:var(--warning-bg);color:var(--warning);font-size:.85rem;max-width:78ch}.play{margin:1.75rem 0}.run-bar{display:flex;align-items:center;gap:1rem;margin-top:1rem;padding-top:1rem;border-top:1px solid var(--border)}.blocked{color:var(--text-dim);font-size:.85rem}.substitutions{padding:.75rem 1rem;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-sunken);font-size:.85rem;margin-bottom:1rem}.substitutions dl{display:grid;grid-template-columns:max-content 1fr;gap:.2rem 1rem;margin:.5rem 0 0}.substitutions dt{font-family:var(--mono);color:var(--accent)}.substitutions dd{margin:0;color:var(--text-dim)}.slot-card{border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-panel);padding:1rem;margin-bottom:1rem}.slot-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:.5rem}.slot-head h3{font-size:1rem}.trigger{font-size:.78rem;color:var(--text-faint);font-family:var(--mono)}.slot-hint{color:var(--text-dim);font-size:.88rem;margin:.35rem 0 .75rem;max-width:80ch}.octet-editor{width:100%;font-family:var(--mono);font-size:.85rem;line-height:1.5;tab-size:2;padding:.75rem;border:1px solid var(--border-strong);border-radius:var(--radius);background:var(--bg-sunken);color:var(--text);resize:vertical}.octet-editor:focus{outline:2px solid var(--accent);outline-offset:-1px}.slot-tools{display:flex;gap:.5rem;margin-top:.5rem}.reference{margin-top:.75rem;padding:.75rem;border:1px dashed var(--border-strong);border-radius:var(--radius)}.reference pre{margin:.5rem 0;padding:.6rem;overflow-x:auto;background:var(--bg-sunken);border-radius:var(--radius);font-size:.8rem}.hidden{display:none}.action-palette{display:grid;gap:.6rem;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));margin:.75rem 0 1rem}.action{display:flex;flex-direction:column;gap:.2rem;text-align:left;padding:.7rem .85rem;background:var(--bg-panel);border-color:var(--border)}.action-label{font-weight:600}.action-desc{color:var(--text-dim);font-size:.82rem}.action-at{color:var(--accent);font-size:.75rem;font-family:var(--mono)}.plan{list-style:none;margin:0 0 .75rem;padding:0;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-panel)}.plan li{padding:.5rem .8rem;border-bottom:1px solid var(--border)}.plan li:last-child{border-bottom:none}.plan-step{display:flex;align-items:center;gap:.75rem}.plan-label{flex:1}.plan .at{font-family:var(--mono);font-size:.8rem;color:var(--text-faint);min-width:3.5rem}.dissect{border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-panel);overflow:hidden;margin:1rem 0}table.fields{width:100%;border-collapse:collapse;font-family:var(--mono);font-size:.83rem}table.fields th{text-align:left;font-weight:600;color:var(--text-dim);white-space:nowrap;vertical-align:top;width:1%;padding:.35rem .75rem}table.fields td{padding:.35rem .75rem;word-break:break-word}.field{border-bottom:1px solid var(--border)}.field:last-child{border-bottom:none}.field.pickable{cursor:pointer}.field.pickable:hover{background:var(--bg-sunken)}.field.picked{background:var(--accent-soft);box-shadow:inset 3px 0 0 var(--accent)}.field.sev-error th{color:var(--error)}.field.sev-warning th{color:var(--warning)}.field-note{display:block;font-family:var(--sans);font-size:.75rem;color:var(--text-faint)}.body-label{padding:.35rem .75rem;background:var(--bg-sunken);font-size:.75rem;color:var(--text-dim);border-top:1px solid var(--border)}pre.body,pre.octets{margin:0;padding:.75rem;overflow-x:auto;font-size:.8rem;line-height:1.45;background:var(--bg-sunken);white-space:pre-wrap;word-break:break-word}.crlf{color:var(--text-faint)}.crlf.bad{color:var(--error);background:var(--error-bg)}.diagnostics{padding:.75rem;border-top:1px solid var(--border);background:var(--bg-sunken)}.diagnostics h4{font-size:.8rem;text-transform:uppercase;letter-spacing:.06em;color:var(--text-dim);margin-bottom:.5rem}.diag{padding:.5rem .7rem;border-radius:var(--radius);border-left:3px solid var(--border-strong);background:var(--bg-panel);margin-bottom:.4rem}.diag-error{border-left-color:var(--error)}.diag-warning{border-left-color:var(--warning)}.diag-info{border-left-color:var(--info)}.diag-head{display:flex;flex-wrap:wrap;gap:.5rem 1rem;font-family:var(--mono);font-size:.75rem}.diag-code{font-weight:600}.diag-error .diag-code{color:var(--error)}.diag-warning .diag-code{color:var(--warning)}.diag-info .diag-code{color:var(--info)}.diag-where{color:var(--text-faint)}.diag-msg{margin:.25rem 0 0;font-size:.86rem}.diag-foot{display:flex;flex-wrap:wrap;gap:.4rem .9rem;margin-top:.3rem;font-size:.75rem;color:var(--text-faint)}.spec,.diag-spec{font-family:var(--mono);color:var(--accent)}.unverified{margin-left:.4rem;padding:0 .3rem;border:1px solid var(--warning);border-radius:3px;color:var(--warning);font-size:.68rem}.question{margin-top:1.5rem}.question h4{font-size:1rem;margin-bottom:.6rem}.choice{display:flex;gap:.6rem;align-items:flex-start;padding:.6rem .8rem;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-panel);margin-bottom:.5rem;cursor:pointer;font-size:.9rem}.choice:hover{border-color:var(--accent)}.choice.chosen{border-color:var(--accent);background:var(--accent-soft)}.choice input{margin-top:.3rem;accent-color:var(--accent)}.budget{display:flex;align-items:center;gap:.75rem;margin:1rem 0}.budget-label{font-family:var(--mono);font-size:.85rem;white-space:nowrap}.budget-bar{flex:1;height:8px;border-radius:999px;background:var(--bg-sunken);border:1px solid var(--border);overflow:hidden}.budget-bar i{display:block;height:100%;background:var(--accent)}.budget-bar.over i{background:var(--error)}.faults{display:grid;gap:.5rem}.fault{display:flex;align-items:flex-start;gap:.7rem;padding:.7rem .9rem;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-panel);cursor:pointer}.fault.chosen{border-color:var(--error);background:var(--error-bg)}.fault.unaffordable{opacity:.5}.fault input{margin-top:.3rem;accent-color:var(--error)}.fault-text{flex:1;display:flex;flex-direction:column}.fault-label{font-weight:600}.fault-desc{color:var(--text-dim);font-size:.85rem}.fault-cost{font-family:var(--mono);font-weight:600;color:var(--text-dim)}.attempt{border:1px solid var(--border);border-top-width:3px;border-radius:var(--radius);background:var(--bg-panel);padding:1.25rem}.attempt.passed{border-top-color:var(--ok)}.attempt.failed{border-top-color:var(--warning)}.attempt-head{display:flex;align-items:center;gap:1rem}.attempt-head h2{font-size:1.2rem}.attempt.passed .attempt-head h2{color:var(--ok)}.verdict{color:var(--text-dim);font-size:.9rem;max-width:82ch;margin-top:.4rem}.objectives{list-style:none;margin:1rem 0;padding:0}.objective{display:flex;align-items:flex-start;gap:.6rem;padding:.4rem 0;border-bottom:1px solid var(--border)}.objective:last-child{border-bottom:none}.mark{font-weight:700;width:1rem}.objective.met .mark{color:var(--ok)}.objective.unmet .mark{color:var(--error)}.objective.optional.unmet .mark{color:var(--text-faint)}.objective-text{flex:1;display:flex;flex-direction:column}.objective-hint{color:var(--text-dim);font-size:.85rem;margin-top:.15rem}.unlocked{margin-top:1.25rem;padding:.85rem 1rem;border-radius:var(--radius);background:var(--ok-bg)}.unlocked h4{font-size:.78rem;text-transform:uppercase;letter-spacing:.06em;color:var(--ok);margin-bottom:.4rem}.unlocked ul{list-style:none;margin:0;padding:0}.unlocked li{display:flex;flex-wrap:wrap;gap:.5rem;align-items:baseline;padding:.15rem 0}.codex-summary{color:var(--text-dim);font-size:.85rem}.level-foot{display:flex;flex-wrap:wrap;align-items:center;gap:.75rem 1.25rem;margin-top:2rem;padding-top:1.25rem;border-top:1px solid var(--border)}.level-foot .hint{flex:1 1 24rem;font-size:.8rem}.trace{margin-top:1.5rem}.tabs{display:flex;gap:.25rem;border-bottom:1px solid var(--border)}.tab{border:none;border-bottom:2px solid transparent;border-radius:0;background:none;color:var(--text-dim);font-size:.85rem;padding:.4rem .75rem}.tab.active{color:var(--text);border-bottom-color:var(--accent)}.tab-panel{padding-top:1rem}.ladder{overflow-x:auto;background:var(--bg-sunken);border-radius:var(--radius);padding:.5rem}.ladder svg{display:block;min-width:100%}.ladder .lane{stroke:var(--border-strong);stroke-width:1;stroke-dasharray:3 4}.ladder .lane-label{fill:var(--text);font:600 11px var(--mono)}.ladder .shaft{stroke:var(--text-dim);stroke-width:1.5}.ladder .head{fill:var(--text-dim)}.ladder .label{fill:var(--text);font:500 11px var(--mono)}.ladder .time{fill:var(--text-faint);font:10px var(--mono)}.ladder .hit{fill:transparent;cursor:pointer}.ladder g:hover .shaft,.ladder g:hover .head{stroke:var(--accent);fill:var(--accent)}.ladder g:hover .label{fill:var(--accent)}.ladder .lost .shaft{stroke-dasharray:4 3;stroke:var(--error)}.ladder .lost .head,.ladder .lost .label{fill:var(--error)}.ladder .retransmit .shaft{stroke:var(--warning)}.ladder .retransmit .label{fill:var(--warning)}.ladder .success .shaft,.ladder .success .head{stroke:var(--ok);fill:var(--ok)}.ladder .success .label{fill:var(--ok)}.ladder .failure .shaft,.ladder .failure .head{stroke:var(--error);fill:var(--error)}.ladder .failure .label{fill:var(--error)}.message-detail{margin-top:1rem;border:1px solid var(--accent);border-radius:var(--radius)}.detail-head{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.5rem .75rem;background:var(--accent-soft)}.detail-head h4{font-family:var(--mono);font-size:.85rem;font-weight:600}.message-detail .dissect{margin:0;border:none;border-radius:0}.filters{display:flex;flex-wrap:wrap;gap:.35rem;margin-bottom:.75rem}.chip{font-size:.75rem;padding:.15rem .6rem;border-radius:999px;color:var(--text-faint);background:var(--bg-sunken);border-color:var(--border)}.chip.active{color:var(--text);border-color:var(--accent);background:var(--accent-soft)}.events{list-style:none;margin:0;padding:0}.event{padding:.5rem .75rem;border-left:3px solid var(--border);background:var(--bg-panel);margin-bottom:.3rem;border-radius:0 var(--radius) var(--radius) 0}.event.verdict-rejected{border-left-color:var(--error)}.event.verdict-transition{border-left-color:var(--info)}.event.verdict-timer{border-left-color:var(--warning)}.event.spotlight{background:var(--warning-bg);box-shadow:0 0 0 1px var(--warning)}.event-head{display:flex;flex-wrap:wrap;gap:.5rem .9rem;font-family:var(--mono);font-size:.75rem}.event-head .at{color:var(--text-faint);font-variant-numeric:tabular-nums}.event-head .element{color:var(--accent)}.event-head .cause{color:var(--text-dim)}.explain{margin:.2rem 0 0;font-size:.87rem}.event-foot{display:flex;flex-wrap:wrap;align-items:center;gap:.4rem 1rem;margin-top:.25rem;font-size:.75rem}.wire-message{border:1px solid var(--border);border-radius:var(--radius);margin-bottom:.4rem;background:var(--bg-panel)}.wire-message summary{display:flex;flex-wrap:wrap;gap:.5rem 1rem;padding:.45rem .7rem;cursor:pointer;font-family:var(--mono);font-size:.78rem}.wire-message summary .at{color:var(--text-faint);font-variant-numeric:tabular-nums}.wire-message summary .element{color:var(--accent)}.wire-message summary .line{color:var(--text)}.octets-view>button{margin-top:.75rem}.codex-head{display:flex;flex-wrap:wrap;align-items:center;gap:1rem;border-bottom:1px solid var(--border);padding-bottom:1rem;margin-bottom:1.5rem}.codex-head h1{font-size:1.4rem;flex:1}.codex-layout{display:grid;gap:2rem;grid-template-columns:minmax(220px,300px) 1fr;align-items:start}@media(max-width:720px){.codex-layout{grid-template-columns:1fr}}.codex-index ul{list-style:none;margin:0;padding:0}.codex-item{padding:.35rem 0;border-bottom:1px solid var(--border)}.codex-item.current{box-shadow:inset 3px 0 0 var(--accent);padding-left:.6rem}.codex-item.locked .link{color:var(--text-faint);text-decoration:none}.codex-hint{display:block;font-size:.75rem;color:var(--text-faint)}.codex-entry{max-width:74ch}.codex-entry h2{font-size:1.3rem}.entry-summary{color:var(--accent);margin:.3rem 0 1rem}.entry-rfc,.entry-causes,.entry-see-also,.entry-levels{display:flex;flex-wrap:wrap;align-items:baseline;gap:.5rem;margin-top:.75rem;font-size:.85rem}.entry-causes code{font-size:.75rem;padding:.05rem .35rem;background:var(--bg-sunken);border-radius:3px;color:var(--text-dim)}.label{color:var(--text-faint);font-size:.75rem;text-transform:uppercase;letter-spacing:.06em}.locked-ref{color:var(--text-faint);font-style:italic}.placeholder{color:var(--text-dim)}