.ph{flex-direction:column;justify-content:center;align-items:center;gap:8px;height:100%;padding:8px;display:flex;overflow:hidden}.ph-box{border:1.5px dashed var(--c-line-strong);background:var(--c-surface);color:var(--c-ink);font-size:var(--fs-chip);text-align:center;border-radius:10px;margin:0;padding:6px 12px}.ph-lattice{flex-direction:column;gap:4px;display:flex}.ph-row{gap:4px;display:flex}.ph-corner,.ph-node,.ph-chip{border:1.5px solid var(--c-line-strong);background:var(--c-panel);min-width:44px;min-height:44px;color:var(--c-ink);font-family:var(--font-mono);cursor:pointer;border-radius:10px;padding:0 8px;font-size:16px}.ph-corner[aria-disabled=true],.ph-node[aria-disabled=true]{cursor:default}.ph-corner[data-marks~=pulse],.ph-node[data-marks~=pulse]{border-color:var(--c-route)}.ph-corner[data-marks~=flash]{border-color:var(--c-slate);border-style:dashed}.ph-node[data-marks~=ring]{box-shadow:0 0 0 3px var(--c-memory)}.ph-node[aria-pressed=true]{background:var(--c-code-region);border-color:var(--c-ink)}.ph-nodes{flex-wrap:wrap;justify-content:center;gap:6px;max-width:340px;display:flex}.ph-tests{font-family:var(--font-mono);margin:0;padding:0;font-size:16px;line-height:1.5;list-style:none}.ph-tray{scrollbar-width:none;flex:none;gap:6px;display:flex;overflow-x:auto}.ph-chip{border-radius:999px;flex:none}:root{--ao-snap:.16s;--ao-sum:.24s;--ao-ask:.28s;--ao-memo:.2s;--ao-fold:.6s;--ao-fold-rest:.4s;--ao-roll:1.2s;--ao-call-memo:.16s;--ao-call-mid:80ms;--ao-call-fast:15ms;--ao-sheet:.22s;--ao-ease:cubic-bezier(.22, 1, .36, 1);--ao-ease-snap:cubic-bezier(.34, 1.56, .64, 1)}@media 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(prefers-color-scheme:dark){:root:not([data-theme=light]){--ao-paper:#0e1116;--ao-ink:#eceae4;--ao-panel:#171c24;--ao-route:#8ab4ff;--ao-heat:#ff8a4c;--ao-memory:#c4b5fd;--ao-slate:#94a3b8;--ao-rule:#eceae412;--ao-street:#eceae4;--ao-dim:#eceae46b;--ao-on-route:#0e1116;--ao-heat-0:#0e1116;--ao-heat-1:#3b2416;--ao-heat-2:#7a3a17;--ao-heat-3:#d2662a;--ao-heat-4:#ff8a4c;--ao-heat-ink-0:#eceae4;--ao-heat-ink-1:#eceae4;--ao-heat-ink-2:#eceae4;--ao-heat-ink-3:#0e1116;--ao-heat-ink-4:#0e1116}}:root[data-theme=dark]{--ao-paper:#0e1116;--ao-ink:#eceae4;--ao-panel:#171c24;--ao-route:#8ab4ff;--ao-heat:#ff8a4c;--ao-memory:#c4b5fd;--ao-slate:#94a3b8;--ao-rule:#eceae412;--ao-street:#eceae4;--ao-dim:#eceae46b;--ao-on-route:#0e1116;--ao-heat-0:#0e1116;--ao-heat-1:#3b2416;--ao-heat-2:#7a3a17;--ao-heat-3:#d2662a;--ao-heat-4:#ff8a4c;--ao-heat-ink-0:#eceae4;--ao-heat-ink-1:#eceae4;--ao-heat-ink-2:#eceae4;--ao-heat-ink-3:#0e1116;--ao-heat-ink-4:#0e1116}@font-face{font-family:Inter;src:url(/fonts/inter-400.woff2)format("woff2");font-weight:400;font-style:normal;font-display:swap}@font-face{font-family:Inter;src:url(/fonts/inter-600.woff2)format("woff2");font-weight:600;font-style:normal;font-display:swap}@font-face{font-family:JetBrains Mono;src:url(/fonts/jetbrains-mono-400.woff2)format("woff2");font-weight:400;font-style:normal;font-display:swap}@font-face{font-family:JetBrains Mono;src:url(/fonts/jetbrains-mono-500.woff2)format("woff2");font-weight:500;font-style:normal;font-display:swap}@font-face{font-family:Inter Fallback;src:local(Arial),local(Helvetica),local(Segoe UI);size-adjust:107.4%;ascent-override:90.2%;descent-override:22.5%;line-gap-override:0%}@font-face{font-family:JetBrains Mono Fallback;src:local(Consolas);size-adjust:109.1%;ascent-override:93.5%;descent-override:27.5%;line-gap-override:0%}@font-face{font-family:JetBrains Mono Fallback Wide;src:local(Menlo),local(Courier New);size-adjust:100%;ascent-override:102%;descent-override:30%;line-gap-override:0%}:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--c-surface:var(--ao-paper);--c-panel:var(--ao-panel);--c-ink:var(--ao-ink);--c-muted:var(--ao-slate);--c-route:var(--ao-route);--c-heat:var(--ao-heat);--c-memory:var(--ao-memory);--c-slate:var(--ao-slate);--c-line:#1a1a1a29;--c-line-strong:#1a1a1a61;--c-hover:#1a1a1a0f;--c-pill:var(--ao-ink);--c-pill-ink:var(--ao-paper);--c-focus:var(--ao-route);--c-stage-border:#1a1a1a29;--c-backdrop:#1a1a1a73;--c-code-region:var(--ao-paper);--c-code-locked:var(--ao-panel);--font-ui:"Inter", "Inter Fallback", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--font-mono:"JetBrains Mono", "JetBrains Mono Fallback", "JetBrains Mono Fallback Wide", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;--fs-prompt:19px;--fs-label:16px;--fs-chip:16px;--fs-stream:16px;--lh-prompt:1.32;--frame-max:512px;--gutter:max(16px, env(safe-area-inset-left), env(safe-area-inset-right));--gap:8px;--frame-top:0px;--bar-h:44px;--prompt-pad:8px;--dock-h:160px;--pill-h:52px;--bottom-min:24px;--radius:14px;--radius-pill:999px;--target:44px}.frame{--vb-h:388;--col-w:min(100cqw - 2 * var(--gutter), 480px);--stage-floor:264px;--stage-max:560px;--ed-lines:6;--split-gap:40px}.frame[data-short]{--fs-prompt:18px;--lh-prompt:1.3;--prompt-pad:4px;--gap:6px;--pill-h:48px;--bottom-min:8px}.frame[data-layout=wide]{--col-w:min(600px, 100cqw - 2 * var(--gutter));--frame-top:24px;--fs-prompt:22px;--lh-prompt:1.3;--stage-max:calc(600px * var(--vb-h) / 343)}.frame[data-layout=wide][data-short]{--frame-top:8px;--fs-prompt:18px;--prompt-pad:4px}.frame[data-layout=split]{--gutter:max(32px, env(safe-area-inset-left), env(safe-area-inset-right));--frame-top:24px;--fs-prompt:22px;--lh-prompt:1.3;--side-w:clamp(360px, 38cqw, 480px);--stage-area-h:min(100svh - 2 * var(--frame-top), 760px);--stage-w:min(600px, 100cqw - var(--side-w) - var(--split-gap) - 2 * var(--gutter), var(--stage-area-h) * 343 / var(--vb-h));--stage-h:calc(var(--stage-w) * var(--vb-h) / 343)}.frame[data-layout=split][data-short]{--gutter:max(16px, env(safe-area-inset-left), env(safe-area-inset-right));--frame-top:8px;--fs-prompt:18px;--prompt-pad:0px;--split-gap:24px}.frame[data-kind=code]{--dock-h:236px}.frame[data-kind=code][data-layout=wide]:not([data-short]),.frame[data-kind=code][data-layout=split]:not([data-short]){--dock-h:284px;--ed-lines:8}.frame[data-kind=number][data-layout=split]:not([data-short]){--dock-h:170px}.frame[data-kind=recap]{--dock-h:208px}.frame[data-kind=recap][data-layout=split][data-short]{--dock-h:188px}.frame[data-kind=recap][data-layout=split]:not([data-short]){--dock-h:220px}.frame[data-kind=recap][data-layout=phone][data-short]{--stage-floor:160px}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--c-line:#eceae429;--c-line-strong:#eceae466;--c-hover:#eceae414;--c-stage-border:#eceae424;--c-backdrop:#0009}}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--c-line:#eceae429;--c-line-strong:#eceae466;--c-hover:#eceae414;--c-stage-border:#eceae424;--c-backdrop:#0009}*,:before,:after{box-sizing:border-box}html,body{background:var(--c-surface);color:var(--c-ink);font-family:var(--font-ui);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;margin:0;padding:0;font-size:16px;line-height:1.4}body{overflow-x:clip}button{font:inherit;color:inherit}:focus-visible{outline:3px solid var(--c-focus);outline-offset:2px}.sr-only{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.frame{width:100%;min-height:100svh;position:relative;container-type:inline-size}.frame-main{grid-template-columns:minmax(0,1fr);grid-template-rows:auto auto minmax(calc(var(--stage-floor) + var(--gap)), 1fr) auto;width:var(--col-w);min-height:100svh;padding:var(--frame-top) 0 0;margin:0 auto;transition-property:none;display:grid}.prompt-zone{height:auto;padding-top:var(--prompt-pad);overflow:visible}.stage{height:auto;min-height:0;max-height:var(--stage-max);margin-top:var(--gap);border-radius:var(--radius);background:var(--c-panel);position:relative;overflow:hidden}.dock{margin-top:var(--gap);gap:var(--gap);padding-bottom:calc(var(--bottom-min) + env(safe-area-inset-bottom));flex-direction:column;display:flex;container-type:inline-size}.dock-content{flex:0 0 var(--dock-h);height:var(--dock-h);min-height:0;position:relative;overflow:clip}.pill-row{flex:0 0 var(--pill-h);background:var(--c-surface);display:flex;position:relative}.frame[data-typing] .frame-main{min-height:calc(100vh + var(--kb,0px));min-height:calc(100svh + var(--kb,0px));padding-bottom:var(--kb,0px)}.frame[data-layout=split]{place-items:center;display:grid}.frame[data-layout=split] .frame-main{width:auto;min-height:calc(var(--stage-h) + 2 * var(--frame-top));grid-template-columns:var(--stage-w) var(--side-w);grid-template-rows:var(--bar-h) auto minmax(0, 1fr) auto;column-gap:var(--split-gap);padding:var(--frame-top) var(--gutter);grid-template-areas:"stage bar""stage prompt""stage.""stage dock";margin:0}.frame[data-layout=split][data-typing] .frame-main{min-height:calc(var(--stage-h) + 2 * var(--frame-top) + var(--kb,0px));padding-bottom:calc(var(--frame-top) + var(--kb,0px))}.frame[data-layout=split] .bar{height:var(--bar-h);grid-area:bar;padding-top:0}.frame[data-layout=split] .prompt-zone{grid-area:prompt}.frame[data-layout=split] .stage{width:var(--stage-w);height:var(--stage-h);grid-area:stage;align-self:start;max-height:none;margin-top:0}.frame[data-layout=split] .dock{padding-bottom:env(safe-area-inset-bottom);grid-area:dock}.sheet-layer{z-index:100;position:fixed;inset:0}.sheet-backdrop{background:var(--c-backdrop);animation:fade var(--ao-sheet) var(--ao-ease);position:fixed;inset:0}.sheet{width:min(100%,560px);max-height:min(80svh,100svh - 48px);padding-bottom:env(safe-area-inset-bottom);background:var(--c-panel);color:var(--c-ink);animation:rise var(--ao-sheet) var(--ao-ease);border-radius:18px 18px 0 0;flex-direction:column;margin:0 auto;display:flex;position:absolute;bottom:0;left:0;right:0;box-shadow:0 -8px 30px #0f172a33}.sheet-layer[data-layout=split] .sheet{width:min(560px,100vw - 64px);max-height:min(80svh,640px);animation:pop var(--ao-sheet) var(--ao-ease);border-radius:18px;margin:0;inset:50% auto auto 50%;transform:translate(-50%,-50%);box-shadow:0 12px 40px #0f172a40}.sheet-body{overscroll-behavior:contain;min-height:0;overflow:auto}@keyframes pop{0%{opacity:0;transform:translate(-50%,-50%)scale(.98)}}.bar{height:calc(var(--bar-h) + env(safe-area-inset-top));padding-top:env(safe-area-inset-top);align-items:center;gap:12px;display:flex}.ticks{flex:1;grid-template-columns:repeat(16,1fr);gap:3px;height:6px;display:grid}.tick{background:var(--c-line);border-radius:3px}.tick[data-state=done]{background:var(--c-ink)}.tick[data-state=current],.tick[data-state=complete]{background:var(--c-route)}.count{color:var(--c-muted);font-variant-numeric:tabular-nums;white-space:nowrap;font-size:16px}.more{width:var(--target);height:var(--target);color:var(--c-ink);cursor:pointer;background:0 0;border:0;border-radius:50%;margin-right:-10px;font-size:22px;line-height:1}.more:hover,.back:not(.back--spacer):hover{background:var(--c-hover)}.back{width:var(--target);height:var(--target);color:var(--c-ink);cursor:pointer;background:0 0;border:0;border-radius:50%;flex:none;justify-content:center;align-items:center;margin-left:-10px;padding:0 0 4px;font-size:32px;font-weight:400;line-height:1;display:inline-flex}.back:active{transform:scale(.94)}.back--spacer{cursor:default}.more:active{transform:scale(.94)}.prompt{font-size:var(--fs-prompt);line-height:var(--lh-prompt);letter-spacing:-.01em;text-wrap:pretty;margin:0;font-weight:600}.stage:after{content:"";border:1px solid var(--c-stage-border);border-radius:inherit;pointer-events:none;position:absolute;inset:0}.dock-input{flex-direction:column;justify-content:flex-end;height:100%;display:flex}.dock-input[inert]{opacity:0;transition:opacity var(--ao-sheet) var(--ao-ease)}.feedback{border-radius:var(--radius);background:var(--c-panel);border:1px solid var(--c-line);opacity:0;visibility:hidden;max-height:100%;transition:transform var(--ao-sheet) var(--ao-ease), opacity var(--ao-sheet) var(--ao-ease), visibility 0s linear var(--ao-sheet);flex-direction:column;justify-content:flex-end;gap:2px;padding:10px 14px 4px;display:flex;position:absolute;bottom:0;left:0;right:0;transform:translateY(105%)}.feedback[data-risen=true]{opacity:1;visibility:visible;transition:transform var(--ao-sheet) var(--ao-ease), opacity var(--ao-sheet) var(--ao-ease);transform:translateY(0)}.feedback:focus{outline:none}.dock[data-kind=code] .dock-content{flex-direction:column;gap:4px;display:flex}.dock[data-kind=code] .dock-input{flex:0 0 100%;min-height:0}.dock[data-kind=code][data-risen] .dock-input{flex:1 1 0;justify-content:flex-start;min-height:0;overflow:hidden}.dock[data-kind=code][data-risen] .feedback{flex:none;max-height:none;position:relative}.dock[data-kind=code][data-risen] .ao-tray,.dock[data-kind=code][data-risen] .ed-status{display:none}.dock[data-kind=code][data-risen] .editor{gap:4px}.dock[data-kind=code][data-risen] .ed-scroll{flex:0 auto;min-height:76px}.dock[data-kind=number] .feedback{gap:0;max-height:116px;padding:8px 14px}.dock[data-kind=number] .feedback:has(>.links){padding:5px 14px 4px}.dock[data-kind=number] .feedback>.links{height:20.8px}.dock[data-kind=number] .feedback>.links .link{align-items:flex-end;margin-top:-19.2px;margin-bottom:-4px;padding-bottom:4px;line-height:20.8px;display:inline-flex}.feedback[data-verdict]{color:var(--c-ink);border-width:1.5px}.feedback[data-verdict=right],.feedback[data-verdict=revealed]{border-color:var(--c-route);background:var(--c-surface)}.feedback[data-verdict=notYet],.feedback[data-verdict=missed]{border-color:var(--c-slate);background:var(--c-panel)}.feedback[data-verdict=right] .feedback-glyph{color:var(--c-route)}.feedback[data-verdict=notYet] .feedback-glyph,.feedback[data-verdict=missed] .feedback-glyph{color:var(--c-slate)}.feedback[data-note]{color:var(--c-ink);background:var(--c-panel)}.feedback[data-note=notYet]{border-width:1.5px;border-color:var(--c-slate)}.feedback[data-note=notYet] .feedback-glyph{color:var(--c-slate)}.feedback[data-note=hint]{border-width:1px;border-color:var(--c-line)}.dock[data-kind=code][data-note] .dock-input{flex:1 1 0;justify-content:flex-start;min-height:0;overflow:hidden}.dock[data-kind=code][data-note] .feedback{flex:none;max-height:none;position:relative}.dock[data-kind=code][data-note] .ed-status{display:none}.feedback-text{--lh:20.8px;font-size:16px;line-height:var(--lh);gap:10px;margin:0;display:flex}.feedback-glyph{flex:none;font-weight:700}.links{flex-wrap:wrap;align-items:center;gap:4px 16px;display:flex}.link{min-height:var(--target);color:inherit;text-underline-offset:3px;cursor:pointer;background:0 0;border:0;border-radius:6px;margin-left:-4px;padding:0 4px;font-weight:600;text-decoration:underline}.link:hover{text-decoration-thickness:2px}.link:active{opacity:.7}a.link{align-items:center;display:inline-flex}.up-nowrap{white-space:nowrap}.pill-row:before{content:"";background:var(--c-line);height:1px;transition:opacity var(--ao-sheet) var(--ao-ease);position:absolute;top:-6px;left:0;right:0}.dock[data-empty] .pill-row:before{opacity:0}.pill{width:100%;height:var(--pill-h);border-radius:var(--radius-pill);background:var(--c-pill);color:var(--c-pill-ink);font-size:var(--fs-label);cursor:pointer;transition:transform var(--ao-snap) var(--ao-ease), opacity var(--ao-snap) var(--ao-ease);border:0;flex:auto;padding:0 28px;font-weight:600}.pill:hover:not([aria-disabled=true]){box-shadow:0 2px 10px #0f172a40}.pill:active:not([aria-disabled=true]){transform:scale(.98)}.pill[aria-disabled=true]{border:1.5px solid var(--c-line-strong);color:var(--c-muted);opacity:1;cursor:default;background:0 0}.pill--link{justify-content:center;align-items:center;text-decoration:none;display:flex}.pill--link:hover{box-shadow:0 2px 10px #0f172a40}.pill--link:active{transform:scale(.98)}.dock-result{position:absolute;top:0;left:0;right:0}.feedback-body{text-wrap:pretty;flex:1;display:block}.links--corner{float:right;height:calc(2 * var(--lh));align-items:flex-start;margin:0 -6px 0 8px}.links--corner .link{margin-top:max(calc((var(--lh) - var(--target)) / 2), -10px)}.recap{flex-direction:column;gap:4px;padding-bottom:4px;display:flex}.dock[data-kind=recap] .dock-content{height:auto;min-height:var(--dock-h);flex:none}.dock[data-kind=recap] .dock-input{min-height:var(--dock-h)}.recap-line{margin:0;font-size:16px;line-height:1.3}.recap--done{gap:2px}.done-card{border:1.5px solid var(--c-route);background:var(--c-surface);animation:rise-in var(--ao-sheet) var(--ao-ease) both;border-radius:14px;flex-direction:column;gap:8px;padding:14px 16px;display:flex}.done-title{align-items:center;gap:10px;margin:0;font-size:16px;font-weight:600;line-height:1.3;display:flex}.done-title:focus{outline:none}.done-title:focus-visible{outline:3px solid var(--c-focus);outline-offset:2px;border-radius:4px}.done-glyph{color:var(--c-route);font-weight:700}.done-numbers{text-wrap:pretty;margin:0;font-size:16px;line-height:1.4}.done-card 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