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button[data-on=true]{background:var(--surface-3);color:var(--text)}.pf-select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:var(--surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23A8A79E' fill='none' stroke-width='1.4'/%3E%3C/svg%3E") no-repeat right 10px center;border:1px solid var(--border-strong);border-radius:9px;color:var(--text);font-family:inherit;font-size:12px;padding:8px 28px 8px 11px;cursor:pointer}.pf-range{accent-color:var(--accent);width:128px}.pf-progress{margin-top:12px}.pf-progress__track{height:5px;border-radius:3px;background:var(--surface-3);overflow:hidden}.pf-progress__fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--sand));transition:width .2s 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.pf-shell__cmd{width:auto}.pf-comet,.pf-comet-glow{display:none}}:root{color-scheme:dark;--bg: #17120D;--surface: #201913;--surface-2: #292019;--surface-3: #2E251C;--border: #33291F;--border-strong: #5C5142;--scrim: rgba(23, 18, 13, .72);--glint: rgba(237, 231, 220, .03);--glint-bright: rgba(237, 231, 220, .1);--hairline: rgba(237, 231, 220, .05);--shade: rgba(0, 0, 0, .18);--text: #EDE7DC;--text-dim: #A2988A;--text-faint: #5C5142;--text-on-accent: #2A1B08;--accent: #CE9440;--accent-hover: #E0A855;--accent-pressed: #B8823A;--accent-soft: rgba(206, 148, 64, .13);--accent-glow: rgba(206, 148, 64, .22);--sand: #8B7CF0;--sand-glow: rgba(139, 124, 240, .2);--sp-red: #C05A4C;--sp-amber: #CE9440;--sp-teal: #2DD4A7;--sp-ocean: #2CB1C4;--sp-violet: #8B7CF0;--ev-token: var(--sp-teal);--ev-tool: var(--sp-amber);--ev-gate: var(--sp-red);--ev-subagent: var(--sp-ocean);--ev-lifecycle: var(--text-faint);--ev-pending: var(--sp-violet);--ev-reasoning: var(--sp-violet);--ok: #2DD4A7;--warn: 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1);--t-med: .24s cubic-bezier(.2, 0, 0, 1);--t-slow: .34s cubic-bezier(.16, 1, .3, 1);--shadow-card: none;--shadow-raised: none;--shadow-modal: none}[data-design=paper]{color-scheme:light;--bg: #F6F4EE;--surface: #EFECE3;--surface-2: #E9E5D8;--surface-3: #E2DCCC;--border: #DDD8CB;--border-strong: #C4BCAD;--scrim: rgba(246, 244, 238, .78);--glint: rgba(255, 255, 255, .5);--glint-bright: rgba(255, 255, 255, .85);--hairline: rgba(23, 22, 26, .1);--shade: rgba(23, 22, 26, .07);--text: #17161A;--text-dim: #6A665D;--text-faint: #A39E92;--text-on-accent: #F6F4EE;--accent: #2E7EA6;--accent-hover: #276C8F;--accent-pressed: #205B79;--accent-soft: rgba(46, 126, 166, .14);--accent-glow: rgba(46, 126, 166, .2);--sand: #6C5CE7;--sand-glow: rgba(108, 92, 231, .18);--sp-red: #C24B3E;--sp-amber: #A9762A;--sp-teal: #0F9D77;--sp-ocean: #0B8799;--sp-violet: #6C5CE7;--ok: #0F9D77;--warn: #A9762A;--warn-soft: rgba(169, 118, 42, .1);--error: #C24B3E;--error-soft: rgba(194, 75, 62, .12);--agent-root: 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var(--t-fast),color var(--t-fast)}.trace-rail-btn:hover{background:var(--accent-soft);color:var(--accent)}.trace-empty{margin:var(--sp-4);max-width:420px;padding:var(--sp-3);border:1px dashed var(--border-strong);border-radius:var(--radius-control);font-size:var(--fs-12);line-height:1.5;color:var(--text-faint)}.json-tree{font-family:var(--font-mono);font-size:var(--fs-12);line-height:1.6}.json-line{white-space:pre-wrap;word-break:break-word}.json-key{color:var(--text-dim)}.json-string{color:var(--agent-explore)}.json-number{color:var(--agent-root)}.json-bool{color:var(--agent-worker)}.json-punct{color:var(--text-faint)}.json-count{color:var(--text-faint);font-size:var(--fs-11)}.json-toggle{background:none;border:0;margin:0;padding:0;color:inherit;font:inherit;cursor:pointer;text-align:left}.json-toggle:hover .json-caret{color:var(--text)}.json-caret{display:inline-block;width:14px;color:var(--text-dim);transition:color var(--t-fast)}.json-caret-spacer{display:inline-block;width:14px}.context-wrap{position:relative;display:inline-flex;flex:none}.context-ring{display:inline-flex;align-items:center;gap:6px;background:none;border:0;border-radius:999px;padding:4px var(--sp-2);color:var(--text-dim);cursor:pointer;font-family:var(--font-mono);font-size:var(--fs-11);transition:background var(--t-fast),color var(--t-fast)}.context-ring:hover{background:var(--surface-2);color:var(--text)}.context-ring svg{display:block}.context-pop{position:absolute;top:calc(100% + var(--sp-2));right:0;z-index:var(--z-dropdown);width:300px;background-color:var(--surface);background-image:linear-gradient(var(--glint),transparent 80px);border:1px solid var(--border-strong);border-radius:var(--radius-card);box-shadow:var(--shadow-raised),inset 0 1px 0 var(--hairline);padding:var(--sp-4);animation:fade-in var(--t-fast) backwards}.context-line{margin:var(--sp-1) 0 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var(--sp-4) 2px var(--sp-6);cursor:pointer}.trace-pair:hover{color:var(--text);background:var(--surface-2)}.trace-pair .mono{color:var(--text-dim)}.trace-chain{display:flex;align-items:center;flex-wrap:wrap;gap:var(--sp-1);margin-bottom:var(--sp-2)}.trace-chain-label{font-size:var(--fs-11);color:var(--ev-pending);text-transform:uppercase;letter-spacing:var(--track-eyebrow);margin-right:var(--sp-2)}.trace-chain-step{display:inline-flex;align-items:center;gap:var(--sp-1)}.trace-chain-arrow{color:var(--text-faint)}.trace-chain-chip{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-chip);color:var(--text-dim);font-size:var(--fs-11);line-height:1.7;padding:0 var(--sp-2);cursor:pointer;transition:color var(--t-fast),border-color var(--t-fast)}.trace-chain-chip:hover{color:var(--text);border-color:var(--border-strong)}.trace-chain-chip--here{cursor:default;color:var(--text);border-color:color-mix(in srgb,var(--accent) 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var(--sp-6)}@media(max-width:720px){.edu-home-guides{grid-template-columns:1fr}}.edu-home-sim{position:relative;display:block;width:100%;margin:0;padding:0;background:none;border:0;text-align:left;font:inherit;cursor:pointer}.edu-home-sim:after{content:"→";position:absolute;top:14px;right:14px;width:32px;height:32px;display:grid;place-items:center;border-radius:999px;border:1px solid var(--accent);background:var(--surface);color:var(--accent);font-size:17px;font-weight:700;line-height:1;pointer-events:none;transition:background var(--t-fast),color var(--t-fast),transform var(--t-fast)}.edu-home-sim:hover:after,.edu-home-sim:focus-visible:after{background:var(--accent);color:var(--bg);transform:translate(2px)}.edu-home-sim-svg{display:block;width:100%;height:auto;border:1px solid var(--border);border-radius:var(--radius-card);background:var(--surface);transition:border-color var(--t-fast)}.edu-home-sim:hover .edu-home-sim-svg,.edu-home-sim:focus-visible .edu-home-sim-svg{border-color:var(--accent)}.edu-home-sim-cap{display:flex;align-items:baseline;gap:var(--sp-3);margin-top:var(--sp-3);color:var(--text-dim);font-size:var(--fs-13);line-height:var(--lh-body)}.edu-home-sim-cap strong{color:var(--text);font-weight:600}.edu-home-sim-play{flex:none;color:var(--accent);font-size:var(--fs-16);line-height:1}.edu-home-sim-svg text{font-family:var(--font-ui);fill:var(--text)}.sg-rail{fill:var(--text-faint);font-size:11px;letter-spacing:.14em;text-transform:uppercase}.sg-glyph{fill:var(--text-dim);font-size:15px}.sg-btn{fill:var(--text);font-size:12px;font-weight:600}.sg-lbl{fill:var(--text-dim);font-size:12px}.sg-count{fill:var(--text-dim);font-family:var(--font-mono);font-size:11px}.sg-eyebrow{fill:var(--text-faint);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase}.sg-node{fill:var(--text);font-size:12.5px;font-weight:600}.sg-node--sm{font-size:11px}.sg-sub{fill:var(--text-faint);font-size:10px}.sg-cell{fill:var(--text-dim);font-size:9.5px;font-family:var(--font-mono)}.sg-donut-pct{fill:var(--text);font-size:20px;font-weight:700;dominant-baseline:middle}.sim-keys{flex:none;width:28px;height:28px;display:grid;place-items:center;border:1px solid var(--border-strong);border-radius:var(--radius-control);background:none;color:var(--text-dim);font:inherit;font-size:var(--fs-14);cursor:pointer;transition:color var(--t-fast),border-color var(--t-fast)}.sim-keys:hover{color:var(--text);border-color:var(--text-faint)}.km-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:20;display:grid;place-items:center;padding:var(--sp-4);background:color-mix(in srgb,var(--bg) 68%,transparent);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.km-panel{width:min(680px,100%);max-height:86vh;overflow-y:auto;border:1px solid var(--border-strong);border-radius:var(--radius-card);background:var(--surface);padding:var(--sp-5)}.km-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--sp-4)}.km-close{background:none;border:0;padding:0 var(--sp-1);color:var(--text-dim);font-size:var(--fs-20);line-height:1;cursor:pointer}.km-close:hover{color:var(--text)}.km-title{display:inline-flex;align-items:center;gap:10px;font-size:var(--fs-16);font-weight:600;text-transform:lowercase;letter-spacing:-.01em;color:var(--text)}.km-title-ico{color:var(--accent);display:inline-flex}.km-title-ico svg{width:22px;height:22px}.km-groups{display:grid;grid-template-columns:1fr 1fr;gap:var(--sp-4) var(--sp-6)}.km-group:last-child{grid-column:1 / -1}.km-group-title{margin:0 0 var(--sp-2);text-transform:uppercase;letter-spacing:.12em;font-size:var(--fs-11);color:var(--text-faint)}.km-rows{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:var(--sp-2)}.km-row{display:grid;grid-template-columns:22px 96px 1fr;align-items:center;gap:12px}.km-ico{color:var(--text-faint);display:inline-flex}.km-ico svg{width:20px;height:20px}.km-keys{display:inline-flex;gap:5px}.km-key{display:inline-block;min-width:22px;padding:3px 8px 4px;text-align:center;border:1px solid var(--border-strong);border-bottom-width:3px;border-radius:6px;background:var(--surface-2);color:var(--text);font-family:var(--font-mono);font-size:12px;line-height:1}.km-label{color:var(--text-dim);font-size:var(--fs-13)}.km-foot{margin:var(--sp-4) 0 0;color:var(--text-faint);font-size:var(--fs-12)}.edu-view{display:flex;flex-direction:column;flex:1 1 auto;min-height:0;overflow:hidden}.edu-lesson-head{position:relative;padding:var(--sp-4) var(--sp-5) var(--sp-3);border-bottom:1px solid var(--border);flex:none}.edu-head-keys{position:absolute;top:var(--sp-4);right:var(--sp-5)}.edu-lesson-head h1{margin:var(--sp-1) 0 0;font-size:var(--fs-20);font-weight:600;letter-spacing:-.015em;text-transform:lowercase}.edu-blurb{margin:var(--sp-1) 0 0;max-width:74ch;color:var(--text-dim);font-size:var(--fs-12);line-height:1.5}.edu-lesson-stage{flex:1 1 auto;display:grid;grid-template-columns:1fr 288px;min-height:0}.edu-lesson-stage.no-readout{grid-template-columns:1fr}.edu-map{position:relative;min-width:0;min-height:0;display:flex;padding:var(--sp-3)}.edu-map .edu-flowmap{flex:1 1 auto;min-height:0}.edu-now{position:absolute;top:14px;left:14px;right:14px;z-index:6;display:flex;align-items:center;gap:10px;padding:9px 15px;background:color-mix(in srgb,var(--surface) 84%,transparent);-webkit-backdrop-filter:blur(7px);backdrop-filter:blur(7px);border:1px solid var(--border);border-radius:var(--radius-card);pointer-events:none}.edu-now-tag{font-family:var(--font-mono);font-size:9.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--text-faint);flex:none}.edu-now-dot{width:7px;height:7px;border-radius:50%;background:var(--accent);flex:none;animation:edu-nowpulse 1.6s ease-in-out infinite}.edu-now-label{font-family:var(--font-mono);font-size:12.5px;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}@keyframes edu-nowpulse{0%,to{opacity:1}50%{opacity:.35}}@media(prefers-reduced-motion:reduce){.edu-now-dot{animation:none}}.pf-flow .react-flow__node-eduCard{background:transparent;border:none;padding:0;width:auto;font-size:inherit;color:inherit}.edu-card{position:relative;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-card);padding:10px 13px 11px;display:flex;flex-direction:column;gap:3px;width:200px;font-family:var(--font-ui);text-align:left;transition:border-color var(--t-fast)}.edu-card:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;border-radius:var(--radius-card) 0 0 var(--radius-card);background:var(--text-faint);opacity:.9}.edu-card.k-model:before{background:var(--ev-tool)}.edu-card.k-harness:before{background:var(--text-faint)}.edu-card.k-gate:before{background:var(--ev-gate)}.edu-card.k-log:before{background:var(--ev-reasoning)}.edu-card.k-token:before{background:var(--ev-token)}.edu-card.k-sub:before{background:var(--ev-subagent)}.edu-card.k-human:before{background:var(--sand)}.edu-card.k-skill:before{background:var(--ev-tool)}.edu-card.is-active{border-color:var(--accent)}.edu-card-eyebrow{font-family:var(--font-mono);font-size:8.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--text-faint)}.edu-card-title{font-size:13px;color:var(--text);line-height:1.25}.edu-card-sub{font-family:var(--font-mono);font-size:10.5px;color:var(--text-dim)}.edu-card-inspect{align-self:flex-start;margin-top:3px;border:none;background:none;padding:0;font-family:var(--font-mono);font-size:9px;letter-spacing:.04em;color:var(--text-faint);cursor:pointer;transition:color var(--t-fast)}.edu-card.is-active .edu-card-inspect,.edu-card-inspect:hover{color:var(--accent)}.edu-card-detail{list-style:none;margin:6px 0 0;padding:0;display:flex;flex-direction:column;gap:4px;max-height:260px;overflow-y:auto}.edu-card-detail li{font-family:var(--font-mono);font-size:10px;color:var(--text-dim);line-height:1.4;padding-left:8px;border-left:2px solid var(--border-strong)}.edu-card-body{margin-top:5px;display:flex;flex-direction:column;gap:4px}.edu-card-body-row{font-family:var(--font-mono);font-size:10px;color:var(--text-dim);display:flex;gap:6px;line-height:1.35}.edu-card-body-n{color:var(--accent);font-weight:600;flex:none}.edu-readout{border-left:1px solid var(--border);background:var(--surface);display:flex;flex-direction:column;min-height:0}.edu-readout-head{padding:var(--sp-3) var(--sp-4) var(--sp-2);border-bottom:1px solid var(--border);flex:none}.edu-readout-body{padding:var(--sp-3) var(--sp-4);overflow-y:auto;flex:1;display:flex;flex-direction:column;gap:9px}.log-line{font-family:var(--font-mono);font-size:11px;color:var(--text-dim);line-height:1.45;border-left:2px solid var(--border);padding-left:9px;animation:edu-logIn .28s var(--ease-out)}.log-line b{color:var(--text)}.log-line .g{color:var(--ok)}.log-line .r{color:var(--error)}.log-line .a{color:var(--accent)}@keyframes edu-logIn{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}.readout-note{font-size:12px;color:var(--text-dim);line-height:1.5}.readout-note b{color:var(--text)}.stat{display:flex;justify-content:space-between;align-items:baseline;font-family:var(--font-mono);font-size:12px}.stat b{font-size:15px;color:var(--text)}.stat span{color:var(--text-faint);font-size:10.5px;text-transform:uppercase;letter-spacing:.1em}.gives{display:flex;flex-direction:column;gap:9px}.give{display:flex;gap:10px;align-items:flex-start;animation:edu-logIn .28s var(--ease-out)}.give .gm{width:8px;height:8px;border-radius:2px;margin-top:4px;flex:none;background:var(--accent)}.give .gl{font-size:12.5px;color:var(--text);line-height:1.2}.give .gs{font-size:11px;color:var(--text-dim);font-family:var(--font-mono);margin-top:2px}.donut{display:flex;align-items:center;gap:14px}.donut svg{flex:none}.donut--big{flex-direction:column;align-items:center;gap:2px;margin:4px auto 8px}.donut-pct{fill:var(--text);font-family:var(--font-mono);font-size:27px;font-weight:700}.donut-sub{fill:var(--text-faint);font-family:var(--font-mono);font-size:11px}.donut--big .dv{text-align:center}.donut--big .dv small{display:block;text-transform:uppercase;letter-spacing:.1em;color:var(--text-faint);font-size:10px}.donut .dv{font-family:var(--font-mono)}.donut .dv b{font-size:20px;color:var(--text)}.donut .dv small{display:block;font-size:10px;color:var(--text-faint);text-transform:uppercase;letter-spacing:.1em}.legend{display:flex;flex-direction:column;gap:5px;margin-top:2px}.legend .lr{display:flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:10.5px;color:var(--text-dim)}.legend .lm{width:8px;height:8px;border-radius:2px;flex:none}.legend .lt{margin-left:auto;color:var(--text-faint)}.edu-controller{border-top:1px solid var(--border);background:var(--surface);padding:var(--sp-3) var(--sp-5) var(--sp-4);display:flex;flex-direction:column;gap:9px;flex:none}.edu-controller .caption{font-size:13.5px;color:var(--text);line-height:1.5;min-height:2.4em;max-height:7.5em;overflow-y:auto;max-width:92ch}.edu-controller .caption .k{color:var(--accent);font-family:var(--font-mono);font-size:12px}.edu-controller .caption .a{color:var(--accent)}.edu-controller .caption .g{color:var(--ok)}.edu-controller .caption .r{color:var(--error)}.edu-ctrl-row{display:flex;align-items:center;gap:14px}.edu-ctrl-btns{display:flex;gap:6px;flex:none}.edu-ctrl-btns button{border:1px solid var(--border);border-radius:var(--radius-chip);width:38px;height:34px;display:flex;align-items:center;justify-content:center;color:var(--text-dim);font-size:var(--fs-16);line-height:1;cursor:pointer;background:var(--surface);transition:border-color var(--t-fast),color var(--t-fast)}.edu-ctrl-btns button:hover:not(:disabled){border-color:var(--border-strong);color:var(--text)}.edu-ctrl-btns button:disabled{opacity:.4;cursor:default}.edu-ctrl-btns button.play:not(:disabled){border-color:var(--accent);color:var(--accent)}.edu-scrub{flex:1;display:flex;align-items:center;gap:12px}.edu-scrub input[type=range]{flex:1;accent-color:var(--accent);cursor:pointer}.counter{font-family:var(--font-mono);font-size:11.5px;color:var(--text-dim);white-space:nowrap}.done-flag{font-family:var(--font-mono);font-size:11px;color:var(--ok);display:inline-flex;align-items:center;gap:6px;white-space:nowrap}.predict{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.predict .pq{font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--text-faint);margin-right:2px}.predict button{border:1px solid var(--border-strong);border-radius:var(--radius-chip);padding:6px 15px;font-size:12px;color:var(--text);font-family:var(--font-mono);cursor:pointer;background:var(--surface);transition:border-color var(--t-fast),color var(--t-fast)}.predict button:hover:not(:disabled){border-color:var(--accent)}.predict button.reveal{border-color:var(--ok);color:var(--ok)}.predict button.wrong{border-color:var(--error);color:var(--error);opacity:.7;text-decoration:line-through}.predict button:disabled{cursor:default}.edu-flowmap .pf-agent--wide{width:540px}.pf-agent__cols{display:flex;gap:16px;align-items:stretch}.pf-agent__main{flex:0 0 200px;display:flex;flex-direction:column}.pf-agent__ctx{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;gap:8px;border-left:1px solid var(--border);padding-left:16px}.pf-agent__ctx>.pf-eyebrow{margin-bottom:2px}.pf-agent__genfull{margin-top:12px;padding-top:12px;border-top:1px solid var(--border)}.pf-agent__genfull .pf-genimg-wrap{align-items:flex-start;gap:14px}.pf-agent__genfull .pf-genimg{width:132px;height:88px}.pf-agent__genfull .pf-genimg-cap{font-size:12px;align-self:center}.pf-genimg-wrap{display:flex;align-items:center;gap:10px;margin-top:2px}.pf-genimg{border-radius:5px;flex:none}.pf-genimg-cap{font-family:var(--font-mono);font-size:10px;color:var(--text-dim);line-height:1.3}.edu-flowmap .pf-user--wide{width:400px}.pf-user--wide{display:flex;gap:16px;align-items:flex-start;text-align:left}.pf-user__col{flex:0 0 auto;display:flex;flex-direction:column;align-items:center;gap:4px}.pf-user__prompt{flex:1 1 auto;min-width:0;border-left:1px solid var(--border);padding-left:16px}.pf-user__prompt>.pf-eyebrow{margin-bottom:4px}.edu-card-files{list-style:none;margin:6px 0 0;padding:0;display:flex;flex-direction:column;gap:3px}.edu-card-files li{font-family:var(--font-mono);font-size:10.5px;color:var(--text-dim);display:flex;align-items:center;gap:7px}.edu-card-files li:before{content:"";width:9px;height:11px;border-radius:1.5px;border:1px solid var(--text-faint);flex:none}.edu-card-files li.is-new{color:var(--text)}.edu-card-files li.is-new:before{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 30%,transparent)}.err-boundary{flex:1 1 auto;display:flex;align-items:center;justify-content:center;padding:var(--sp-6)}.err-card{max-width:480px;background:var(--surface);border:1px solid var(--border);border-left:3px solid var(--sp-red, #c05a4c);border-radius:var(--radius-card);padding:var(--sp-4) var(--sp-5)}.err-card h2{margin:var(--sp-1) 0 var(--sp-2);font-size:var(--fs-18);text-transform:lowercase}.err-card p{margin:0 0 var(--sp-3);color:var(--text-dim);font-size:var(--fs-13);line-height:1.5}.err-msg{font-family:var(--font-mono);font-size:11px;color:var(--text-faint);background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-chip);padding:8px 10px;margin:0 0 var(--sp-3);white-space:pre-wrap;word-break:break-word;max-height:120px;overflow:auto}.err-retry{border:1px solid var(--accent);color:var(--accent);background:transparent;border-radius:var(--radius-chip);padding:7px 16px;font-size:var(--fs-13);cursor:pointer}.err-retry:hover{background:var(--accent-soft, transparent)}@media(max-width:900px){.edu-lesson-stage{grid-template-columns:1fr}.edu-readout{display:none}}[data-design=still]{color-scheme:light;--bg: #fbfbfd;--surface: #ffffff;--surface-2: #f2f2f5;--surface-3: #e5e5ea;--border: rgba(0, 0, 0, .11);--border-strong: rgba(0, 0, 0, .22);--scrim: rgba(29, 29, 31, .4);--glint: rgba(255, 255, 255, .6);--glint-bright: rgba(255, 255, 255, .95);--hairline: rgba(0, 0, 0, .08);--shade: rgba(0, 0, 0, .07);--text: #1d1d1f;--text-dim: #808085;--text-faint: rgba(29, 29, 31, .38);--text-on-accent: #ffffff;--accent: #0071e3;--accent-hover: #0077ed;--accent-pressed: #005bb8;--accent-soft: rgba(0, 113, 227, .16);--accent-glow: rgba(0, 113, 227, .24);--sand: #6e6e73;--sand-glow: rgba(110, 110, 115, .16);--ok: #248a3d;--warn: #c07600;--warn-soft: rgba(192, 118, 0, .1);--error: #d70015;--error-soft: rgba(215, 0, 21, .08);--agent-root: #0071e3;--agent-explore: #248a3d;--agent-worker: #8944ab;--agent-extra: #c07600;--font-ui: Geist, Inter, "Helvetica Neue", Helvetica, system-ui, sans-serif;--radius-chip: 8px;--radius-control: 10px;--radius-card: 16px;--radius-modal: 20px;--shadow-card: 0 1px 2px rgba(0, 0, 0, .05), 0 8px 20px -14px rgba(0, 0, 0, .12);--shadow-raised: 0 2px 6px rgba(0, 0, 0, .06), 0 14px 34px -16px rgba(0, 0, 0, .16);--shadow-modal: 0 12px 36px -14px rgba(0, 0, 0, .16), 0 32px 90px -20px rgba(0, 0, 0, .22)}.particle-field{position:fixed;top:0;right:0;bottom:0;left:0;width:100%;height:100%;z-index:-1;pointer-events:none;display:block}html.fx-scroll{scroll-behavior:smooth}@media(prefers-reduced-motion:no-preference){html.fx-scroll [data-reveal]{opacity:0;transform:translateY(14px);transition:opacity .55s var(--ease-out),transform .55s var(--ease-out);will-change:opacity,transform}html.fx-scroll [data-reveal].in{opacity:1;transform:none}}