:root{font-family:Arial,Noto Sans KR,Apple SD Gothic Neo,sans-serif;color:#292b28;background:#f5f4f0;font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,input,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}button:disabled{opacity:.4;cursor:default}button:focus-visible,a:focus-visible,[tabindex]:focus-visible{outline:3px solid #54795f;outline-offset:4px}[hidden]{display:none!important}header{max-width:1280px;margin:auto;height:72px;padding:0 34px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #dcded6}.brand{color:#384a3e;font-weight:700;text-decoration:none;font-size:16px}.grade{font-size:12px;color:#70766f}main{max-width:1280px;padding:24px 34px 48px;margin:auto}.breadcrumb{font-size:12px;color:#7a7d76}.breadcrumb span{padding:0 10px}.intro{margin:24px 0 28px}h1{font-size:32px;letter-spacing:-1.2px;margin:0 0 12px}.intro p{font-size:14px;color:#656c62;line-height:1.6;margin:0}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 265px;gap:28px;align-items:start}.lab{background:#fff;border:1px solid #dcded6;border-radius:7px;overflow:hidden}.lab-toolbar{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #e5e7df;padding:0 22px;gap:12px}.tabs{display:flex;gap:25px}.tabs button{border:0;border-bottom:3px solid transparent;background:none;padding:19px 0 15px;font-size:12px;color:#81877e}.tabs button[aria-selected=true]{color:#355a41;border-color:#44664e;font-weight:700}.tabs button span{margin-left:6px}.reset{border:0;background:none;color:#646d60;font-size:12px;white-space:nowrap}.instruction{padding:21px 22px 12px;display:flex;align-items:center;justify-content:space-between;gap:12px}.step-icon{display:none}.instruction strong{font-size:14px}.instruction p{font-size:12px;color:#737970;margin:8px 0 0;line-height:1.6}.toggle{display:flex;align-items:center;gap:6px;font-size:12px;color:#56604f;white-space:nowrap}.toggle input{width:17px;height:17px;accent-color:#44664e}.stage{position:relative;margin:8px 12px 0;background:linear-gradient(#fff 65%,#f7f5ef);overflow:hidden;border-bottom:1px solid #ecebe4}.stage-label{position:absolute;top:13px;left:16px;font-size:11px;color:#7e8176;pointer-events:none}#scene{display:block;width:100%;touch-action:none}.shape>svg{overflow:hidden;pointer-events:all}.draggable{cursor:grab;touch-action:none}.draggable:active{cursor:grabbing}.shape{pointer-events:all}.particles{font-family:Arial,sans-serif;font-size:16px;pointer-events:none}.object-name{fill:#464b40;font-size:17px;font-weight:600}.object-state{fill:#74796e;font-size:12px}.stage-hint{position:absolute;bottom:10px;width:100%;text-align:center;font-size:11px;color:#828777;pointer-events:none}.table-shadow{fill:#554633;opacity:.08;pointer-events:none}.lab-bottom{padding:18px 22px 8px;display:flex;justify-content:flex-end;align-items:center;gap:10px;flex-wrap:wrap}.legend{display:flex;gap:14px;width:100%;margin-bottom:8px;color:#787f70;font-size:11px}.legend span{display:flex;align-items:center;gap:5px}.legend b{width:17px;height:17px;border:1px solid;border-radius:50%;text-align:center;font-size:13px;line-height:15px}.positive{color:#fff;background:#e84444;border-color:#e84444!important;width:19px!important;height:19px!important;line-height:17px!important}.negative{color:#fff;background:#2787d9;border-color:#2787d9!important;width:15px!important;height:15px!important;line-height:13px!important}.primary,.secondary{padding:11px 15px;border-radius:5px;font-size:12px}.primary{border:1px solid #426449;background:#426449;color:#fff}.primary:hover:enabled{background:#304f36}.secondary{border:1px solid #bec8b9;background:#fff;color:#426449}.secondary:hover:enabled{background:#eff3eb}.model-note{font-size:11px;color:#7b8073;padding:0 22px;margin:12px 0 20px;line-height:1.7}.observation{padding:21px 0 24px;border-bottom:1px solid #d9ddd2}.section-label{font-size:12px;color:#6b775f}.section-label span{display:none}.observation h2{font-size:21px;line-height:1.55;margin:18px 0 10px;letter-spacing:-.6px}.observation>p{color:#67705f;line-height:1.85;font-size:13px}#charge-cards{display:flex;gap:10px;margin:22px 0}.charge-card{flex:1;padding:12px 8px;background:#eeeee7;border-radius:4px}.charge-card>div:first-child{display:flex;align-items:center;justify-content:space-between;gap:3px}.charge-card strong{font-size:12px}.charge-badge{font-size:9px;color:#666f60}.charge-amount{display:flex;gap:15px;font-size:23px;margin:14px 0 9px}.positive-text{color:#e84444}.negative-text{color:#2787d9}.charge-card small{font-size:10px;color:#74806c}.discovery{font-size:12px;line-height:1.8;color:#6b755f;border-left:2px solid #bcc7ad;padding-left:12px}.mission{padding-top:23px}.small-tag{font-size:11px;color:#7b846e}.mission h3{font-size:14px;line-height:1.6;margin:10px 0 13px}.answers{display:flex;gap:7px}.answers button{flex:1;padding:9px 0;background:transparent;border:1px solid #cfd4c4;border-radius:4px;font-size:12px;color:#606b55}.answers button.chosen{background:#e1e8d8;border-color:#7e9470}.mission p{font-size:11px;color:#7d8574;line-height:1.8}.vocabulary{margin-top:32px;padding-top:22px;border-top:1px solid #d8dcd0}.vocab-heading{display:flex;align-items:center;gap:20px}.vocab-heading h2{font-size:15px;margin:0}.vocab-heading span{font-size:11px;color:#818875}.term-buttons{display:flex;gap:9px;flex-wrap:wrap;margin:17px 0}.term-buttons button{background:none;border:1px solid #ced4c4;border-radius:4px;padding:8px 19px;font-size:12px;color:#606b55}.term-buttons button.active{background:#e2e9d9;border-color:#8ea27c;color:#3b5433}#term-definition{font-size:13px;color:#68745b;line-height:1.7}#term-definition strong{margin-right:12px}.pair-controls{padding:8px 22px}.pair-controls button{border:1px solid #ced4c4;border-radius:4px;padding:8px 12px;background:#fff;color:#65745b;font-size:12px;margin-right:8px}.pair-controls button.selected{background:#e2e9d9;border-color:#8ea27c}.pair-controls p{font-size:11px;color:#7a8371}#force-arrows path{fill:none;stroke:#466455;stroke-width:3;marker-end:url(#arrow)}@media(max-width:1050px){.workspace{grid-template-columns:minmax(0,1fr) 240px;gap:20px}.tabs{gap:16px}.tabs button{font-size:11px}.instruction{align-items:flex-start}.instruction strong{font-size:12px}.instruction p,.toggle{font-size:11px}.charge-amount{gap:10px}}@media(max-width:800px){header{height:60px;padding:0 20px}main{padding:22px 20px 35px}.workspace{grid-template-columns:1fr}aside{display:grid;grid-template-columns:1fr 1fr;gap:24px}.observation{border-bottom:0;padding:12px 0}.mission{padding-top:12px}.observation h2{margin-top:12px}.intro{margin:22px 0}h1{font-size:29px}.tabs button{font-size:12px}}@media(max-width:480px){main{padding:20px 12px 30px}.intro{padding:0 5px}h1{font-size:26px}.intro p{font-size:12px}.lab-toolbar{padding:0 13px}.tabs{gap:12px}.tabs button{font-size:10px}.tabs button span{margin-left:2px}.reset span{display:none}.instruction{padding:18px 13px 8px;gap:8px}.instruction strong{font-size:12px}.instruction p{font-size:11px;max-width:235px}.toggle{font-size:10px;gap:2px}.stage{margin:5px 0 0}#scene{min-height:285px}.stage-label{font-size:10px;left:13px}.stage-hint{font-size:10px}.lab-bottom{padding:15px 13px 5px;gap:8px}.primary,.secondary{font-size:11px;padding:10px 12px}.legend{font-size:10px;gap:12px}.model-note{padding:0 13px;font-size:10px}aside{display:block;padding:0 7px}.observation{border-bottom:1px solid #d9ddd2;padding:12px 0 22px}.mission{padding-top:22px}.vocabulary{padding:20px 7px 0;margin-top:22px}.vocab-heading{align-items:start;flex-direction:column;gap:8px}.term-buttons button{flex:1 0 calc(33.3% - 9px);padding:8px 12px}.pair-controls{padding:8px 13px}.pair-controls button{font-size:11px}}#balloon-object:focus,#balloon-object:focus-visible,#fur:focus{outline:none!important}#fur{cursor:default}.keyboard-focus{fill:none;stroke:#426449;stroke-width:2;stroke-dasharray:5 4;opacity:0;pointer-events:none}#balloon-object:focus-visible .keyboard-focus{opacity:1}.positive{width:22px!important;height:22px!important;line-height:20px!important;font-size:19px!important}.negative{font-size:17px!important}.poe-steps{display:flex;list-style:none;gap:12px;margin:0 0 26px;padding:0;scroll-margin-top:20px}.poe-steps li{display:flex;align-items:center;gap:9px;padding:12px 18px;border-radius:6px;color:#73796f;background:#eceee7;font-size:13px}.poe-steps li[aria-current=step]{background:#365841;color:#fff}.poe-steps li>span{font-size:12px;opacity:.8}.poe-panel{background:#fff;border:1px solid #dcded6;border-radius:8px;padding:32px}.poe-panel h2,.poe-section-heading h2{font-size:24px;line-height:1.5;letter-spacing:-.7px;margin:0 0 14px}.poe-panel h2:focus,.poe-section-heading h2:focus{outline:none}.poe-kicker{font-size:12px;color:#57734e;margin:0 0 12px}.poe-hint{font-size:12px;color:#70796a;line-height:1.8;margin:12px 0}.poe-panel p{line-height:1.8}.poe-panel textarea,.poe-record textarea{display:block;width:100%;resize:vertical;min-height:100px;padding:14px;border:1px solid #b7c1b0;border-radius:5px;background:#fff;font:inherit;font-size:14px;color:#292b28;line-height:1.7}.poe-panel textarea:focus,.poe-record textarea:focus{outline:2px solid #54795f;outline-offset:2px}.poe-panel textarea:read-only{background:#f4f5f0}.poe-form fieldset{border:0;padding:0;margin:0 0 24px;min-width:0}.poe-form legend,.writing-label{display:block;font-size:14px;font-weight:600;line-height:1.7;margin-bottom:12px}.prediction-choice{display:flex;align-items:center;gap:12px;padding:13px 15px;border:1px solid #d6dccf;border-radius:5px;margin:9px 0;font-size:14px;line-height:1.6;cursor:pointer}.prediction-choice:has(input:checked){background:#edf3e7;border-color:#7a9470}.prediction-choice input{accent-color:#426449;width:17px;height:17px;flex-shrink:0}.poe-form fieldset:disabled .prediction-choice{cursor:default}.poe-form fieldset:disabled input{opacity:1}#predict-panel{display:grid;grid-template-columns:1fr 1fr;gap:44px}.prediction-scene{padding:8px 0}.prediction-scene>p:not(.poe-kicker){font-size:14px;color:#626c5c}.prediction-scene img{width:100%;height:245px;object-fit:contain;margin:12px 0}.poe-form>.primary{margin-top:8px}.poe-section-heading{display:flex;align-items:center;justify-content:space-between;gap:20px}.prediction-reminder{background:#ecefe6;border-radius:5px;padding:13px 18px;margin:5px 0 22px;color:#58654e;font-size:13px}.prediction-reminder summary{cursor:pointer}.prediction-reminder p,.poe-comparison p{white-space:pre-wrap;overflow-wrap:anywhere}.poe-record{margin-top:24px;padding:24px;border:1px solid #d6dccf;background:#fff;border-radius:7px}.poe-record h3{font-size:18px;margin:0 0 12px}#observation-progress{font-size:13px;line-height:1.8;color:#526c46}.poe-actions{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:14px;margin-top:18px}.poe-comparison{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:24px 0}.poe-comparison article{border:1px solid #d9dfd3;background:#f5f6f0;border-radius:6px;padding:20px}.poe-comparison h3{font-size:13px;color:#526c46;margin:0 0 12px}.poe-comparison p{font-size:14px;margin:8px 0}#concept-review{margin-top:32px;padding-top:30px;border-top:1px solid #d6dccf;scroll-margin-top:20px}.concept-sequence{padding-left:24px}.concept-sequence li{padding:9px 0 9px 7px;font-size:14px;line-height:1.8}.concept-sequence p{margin:5px 0;color:#5b6751}#concept-activities .mission{max-width:560px}#concept-activities .vocabulary{margin-top:24px}body[data-poe=observe] .discovery,body[data-poe=observe] .model-note{display:none}body[data-poe=observe] .observation{border-bottom:0}#simulation-mount .observation h2{font-size:20px}#simulation-mount .observation>p{font-size:13px}@media(max-width:800px){#predict-panel{gap:24px}.poe-panel{padding:24px}.prediction-scene img{height:200px}#simulation-mount aside{display:block}}@media(max-width:600px){.poe-steps{gap:6px}.poe-steps li{flex:1;justify-content:center;padding:11px 5px;font-size:12px;gap:5px}.poe-panel{padding:20px 16px}#predict-panel{grid-template-columns:1fr;gap:12px}.poe-panel h2,.poe-section-heading h2{font-size:21px}.prediction-scene img{height:170px;margin:0}.poe-section-heading{align-items:flex-start;flex-direction:column;gap:0}.poe-section-heading>.secondary{margin-bottom:16px}.poe-record{padding:18px 14px}.poe-comparison{grid-template-columns:1fr;gap:12px}.poe-actions{align-items:stretch;flex-direction:column}.poe-actions button{width:100%}.poe-form>.primary{width:100%}}.submit-report{margin-top:28px;padding:22px 24px;border:1px solid #d6dccf;border-radius:7px;background:#f7f8f3}.submit-report h3{font-size:17px;margin:0 0 4px}.submit-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:14px 0 4px}.submit-fields .submit-code{grid-column:1/-1;max-width:calc(50% - 6px)}.submit-match{font-size:12px;font-weight:400;min-height:1em}.submit-match[data-state=done]{color:#2f5a21}.submit-match[data-state=error]{color:#b23b2e}.submit-fields label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:600;color:#3f4a3a}.submit-fields input{font:inherit;font-size:14px;font-weight:400;padding:10px 12px;border:1px solid #b7c1b0;border-radius:5px;background:#fff;color:#292b28;min-width:0}.submit-fields input:focus{outline:2px solid #54795f;outline-offset:2px}.submit-report .poe-actions{margin-top:8px}.submit-status{font-size:13px;line-height:1.7;margin:10px 0 0;color:#526c46}.submit-status:empty{display:none}.submit-status[data-state=done]{color:#2f5a21;font-weight:600}.submit-status[data-state=error]{color:#b23b2e}@media(max-width:600px){.submit-report{padding:18px 14px}.submit-fields{grid-template-columns:1fr}.submit-fields .submit-code{max-width:none}}.stage.night{background:radial-gradient(ellipse at 50% 0%,#24305a,#121a33 55%,#0b1022);border-bottom-color:#1d2747;border-radius:6px}.stage.night .stage-label{color:#aab4d6}.stage.night .stage-hint{color:#8f9bc4}.stage.night text{fill:#d8def5}.stage.night .muted{fill:#8f9bc4}.stage.night .object-name{fill:#eef1ff;font-size:15px;font-weight:600}.choice-row{display:flex;flex-wrap:wrap;gap:8px 0;align-items:center}.choice-row [role=group]{display:flex;flex-wrap:wrap;gap:8px 0;margin-right:10px;align-items:center}.choice-row .group-label{font-size:11px;color:#7a8371;margin-right:8px}.choice-row button[aria-pressed=true]{background:#e2e9d9;border-color:#8ea27c;color:#3b5433;font-weight:600}.choice-row p{width:100%;margin:6px 0 0}.actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}.primary.hold{user-select:none;-webkit-user-select:none;touch-action:none}.primary.hold[aria-pressed=true]{background:#d9822b;border-color:#d9822b;box-shadow:0 0 0 4px #f4c38d66}.toast{position:absolute;left:50%;top:14px;transform:translate(-50%,-20px);opacity:0;pointer-events:none;background:linear-gradient(90deg,#ffd166,#ff9f6e);color:#3b2400;font-weight:700;font-size:13px;padding:9px 16px;border-radius:30px;box-shadow:0 6px 24px #ffb44a66;transition:opacity .25s,transform .25s;white-space:nowrap}.toast.show{opacity:1;transform:translate(-50%)}.answers button.right{background:#dff0d4;border-color:#6f9a5a;color:#2f5a21}.answers.stacked{flex-direction:column}.answers.stacked button{padding:9px 10px;text-align:left}.mission h3{margin-top:20px}.mission h3:first-of-type{margin-top:10px}#readout{margin:18px 0}.readout-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.readout-card{background:#eeeee7;border-radius:5px;padding:11px 10px}.readout-card strong{display:block;font-size:11px;color:#5c6650}.readout-card b{display:block;font-size:22px;margin-top:6px;color:#2c3a29;font-variant-numeric:tabular-nums}.readout-card small{font-size:10px;color:#7a8371}.data-table{width:100%;border-collapse:collapse;font-size:12px;margin:8px 0;font-variant-numeric:tabular-nums}.data-table th,.data-table td{border:1px solid #d4d9cc;padding:6px 4px;text-align:center}.data-table th{background:#eef1e8;color:#4d5a44;font-weight:600}.data-table td.fresh{animation:pop .6s ease-out;background:#fff4c7}@keyframes pop{0%{transform:scale(.6);background:#ffe27a}to{transform:scale(1)}}.flow-dot{pointer-events:none}.legend-swatch{display:inline-block;width:22px;height:4px;border-radius:2px;vertical-align:middle;margin-right:5px}body[data-poe=observe] .model-note{display:block}.prediction-illustration svg{display:block;width:100%;height:245px;margin:12px 0;border-radius:8px}.concept-note{font-size:13px;line-height:1.8;color:#5b6751;background:#f1f4ec;border-left:3px solid #8ea27c;padding:10px 14px;margin:8px 0 0}#scene [role=button],#scene .draggable{cursor:pointer}#scene [role=button]:focus{outline:none}#scene [role=button]:focus-visible{filter:drop-shadow(0 0 4px #9fd4ff)}@keyframes spark{0%,to{opacity:.25}50%{opacity:1}}@media(prefers-reduced-motion:reduce){.toast{transition:none}.data-table td.fresh{animation:none}}@media(max-width:800px){.prediction-illustration svg{height:200px}}@media(max-width:600px){.prediction-illustration svg{height:170px;margin:0}}@media(max-width:480px){.choice-row [role=group]{margin-right:0}.choice-row button{font-size:11px;margin-right:6px}.choice-row{padding:8px 13px}.actions{justify-content:stretch}.actions button{flex:1}.toast{font-size:11px;white-space:normal;width:86%;text-align:center}}.record-card{font-size:12px}.record-block{margin:10px 0}.record-block strong{display:block;font-size:12px;color:#4d5a44;margin-bottom:4px}.record-row{display:flex;align-items:center;gap:10px;margin:5px 0}.record-row>span{width:46px;color:#5c6650}.cells{display:flex;gap:4px}.cell{width:30px;height:20px;border:1px solid #b9c2ad;border-radius:3px;background:#fff;padding:0}.cell.on{background:linear-gradient(#ffe27a,#ffb627);border-color:#d9a020;box-shadow:0 0 8px #ffd16699}.cell:disabled{opacity:1;cursor:default}.field-line{fill:none;stroke:#8fd3ff;stroke-width:1.6;opacity:.75;stroke-dasharray:6 10;animation:field-flow 1.2s linear infinite}@keyframes field-flow{to{stroke-dashoffset:-16}}#field-lines{transition:opacity .4s}.compass.probe{cursor:grab}@media(prefers-reduced-motion:reduce){.field-line{animation:none}}:root{--ink:#e8eeff;--muted:#9eabcf;--faint:#6f7ca3;--bg:#060a18;--panel:#0d1430;--panel-2:#111a3b;--line:#22305e;--line-2:#2f4180;--current:#38e1ff;--current-2:#1e9bff;--volt:#ffd23f;--volt-2:#ff9f1c;--north:#ff4d5e;--south:#3d7bff;--ok:#5dff9a;--glow-c:0 0 12px #38e1ff66,0 0 28px #1e9bff33;--glow-v:0 0 12px #ffd23f66,0 0 28px #ff9f1c33;color:var(--ink);background:var(--bg);color-scheme:dark}body{min-height:100vh;background:radial-gradient(900px 500px at 85% -10%,#1e9bff26,transparent 60%),radial-gradient(700px 420px at -10% 30%,#7b5cff1f,transparent 60%),radial-gradient(600px 400px at 60% 110%,#ffd23f12,transparent 60%),url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cg fill='none' stroke='%2338e1ff' stroke-opacity='.07' stroke-width='1.2'%3E%3Cpath d='M0 40h40l20 20h40l20-20h40M40 160v-40l20-20v-40M120 0v30l20 20v30l-20 20v60'/%3E%3C/g%3E%3Cg fill='%2338e1ff' fill-opacity='.12'%3E%3Ccircle cx='40' cy='40' r='2.5'/%3E%3Ccircle cx='120' cy='40' r='2.5'/%3E%3Ccircle cx='60' cy='100' r='2.5'/%3E%3Ccircle cx='120' cy='100' r='2.5'/%3E%3C/g%3E%3C/svg%3E"),var(--bg);background-attachment:fixed}header{border-bottom:1px solid var(--line);position:relative}header:after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:linear-gradient(90deg,transparent,var(--current),var(--volt),transparent);opacity:.7;animation:wire-run 6s linear infinite;background-size:200% 100%}@keyframes wire-run{to{background-position:-200% 0}}.brand{color:var(--ink)}.brand:before{content:"⚡";margin-right:8px;color:var(--volt);text-shadow:var(--glow-v)}.grade{color:var(--muted)}.breadcrumb{color:var(--faint)}.intro h1,h1{color:var(--ink);background:linear-gradient(100deg,#ffffff 0%,#bfefff 40%,var(--current) 70%,var(--volt) 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:-1px}.intro p{color:var(--muted)}.poe-steps li{background:var(--panel);color:var(--muted);border:1px solid var(--line)}.poe-steps li>span{display:inline-grid;place-items:center;width:20px;height:20px;border-radius:50%;background:var(--line);color:var(--ink);opacity:1}.poe-steps li[aria-current=step]{background:linear-gradient(135deg,#0f3a66,#123a8a);color:#fff;border-color:var(--current);box-shadow:var(--glow-c)}.poe-steps li[aria-current=step]>span{background:var(--current);color:#04121f}.poe-panel,.poe-record,.lab{background:linear-gradient(180deg,var(--panel-2),var(--panel));border:1px solid var(--line);box-shadow:0 10px 40px #0005,inset 0 1px #ffffff0d}.poe-panel p,.prediction-scene>p:not(.poe-kicker){color:var(--muted)}.poe-kicker,.small-tag,.section-label{color:var(--current)!important;letter-spacing:.5px}.poe-hint,.model-note,.vocab-heading span,#observation-progress{color:var(--muted)!important}#observation-progress{color:var(--volt)!important;font-weight:600}.poe-panel h2,.poe-section-heading h2,.observation h2,.poe-record h3,.mission h3,.vocab-heading h2,#concept-title,.poe-form legend,.writing-label{color:var(--ink)}.poe-panel textarea,.poe-record textarea{background:#070c22;border-color:var(--line-2);color:var(--ink)}.poe-panel textarea:focus,.poe-record textarea:focus{outline-color:var(--current);box-shadow:var(--glow-c)}.poe-panel textarea:read-only{background:#0a1029}.poe-panel textarea::placeholder,.poe-record textarea::placeholder{color:var(--faint)}.prediction-choice{border-color:var(--line-2);background:#0a1029;color:var(--ink);transition:border-color .2s,box-shadow .2s}.prediction-choice:hover{border-color:var(--current)}.prediction-choice:has(input:checked){background:#0d2a4d;border-color:var(--current);box-shadow:var(--glow-c)}.prediction-choice input{accent-color:var(--current)}.prediction-reminder{background:#0d2140;color:var(--muted);border:1px solid var(--line)}.poe-comparison article{background:#0a1029;border-color:var(--line)}.poe-comparison h3{color:var(--current)}.poe-comparison p{color:var(--ink)}#concept-review{border-top-color:var(--line)}.submit-report{background:#0a1029;border-color:var(--line-2)}.submit-report h3,.submit-fields label{color:var(--ink)}.submit-fields input{background:#070c22;border-color:var(--line-2);color:var(--ink)}.submit-fields input:focus{outline-color:var(--current);box-shadow:var(--glow-c)}.submit-fields input::placeholder{color:var(--faint)}.submit-status{color:var(--muted)}.submit-status[data-state=done]{color:var(--ok)}.submit-status[data-state=error]{color:#ff8a8a}.submit-match[data-state=done]{color:var(--ok)}.submit-match[data-state=error]{color:#ff8a8a}.concept-sequence li{color:var(--ink)}.concept-sequence li::marker{color:var(--volt);font-weight:700}.concept-sequence p{color:var(--muted)}.concept-sequence b{color:var(--volt);font-weight:700}.concept-note{background:#1a1640;border-left-color:var(--volt);color:#ffe9a8}.primary{background:linear-gradient(135deg,var(--current-2),#5b5cff);border:1px solid #6fd8ff;color:#fff;font-weight:600;box-shadow:0 0 #38e1ff00;transition:box-shadow .2s,transform .1s,filter .2s}.primary:hover:enabled{background:linear-gradient(135deg,#29b6ff,#6d6eff);box-shadow:var(--glow-c)}.primary:active:enabled{transform:translateY(1px)}.secondary{background:#0a1029;border:1px solid var(--line-2);color:#cfe6ff}.secondary:hover:enabled{background:#0f1a40;border-color:var(--current);box-shadow:var(--glow-c)}.primary.hold[aria-pressed=true]{background:linear-gradient(135deg,var(--volt),var(--volt-2));border-color:var(--volt);color:#2a1600;box-shadow:var(--glow-v)}button:disabled{opacity:.35}button:focus-visible,a:focus-visible,[tabindex]:focus-visible{outline-color:var(--current)}.lab-toolbar{border-bottom-color:var(--line)}.tabs button{color:var(--muted)}.tabs button[aria-selected=true]{color:#fff;border-color:var(--current);text-shadow:0 0 10px #38e1ff99}.reset{color:var(--muted)}.reset:hover{color:var(--current)}.instruction strong{color:var(--ink)}.instruction p,.toggle{color:var(--muted)}.toggle input{accent-color:var(--current)}.choice-row .group-label,.pair-controls p{color:var(--muted)}.pair-controls button,.choice-row button{background:#0a1029;border-color:var(--line-2);color:#cfe6ff}.pair-controls button:hover,.choice-row button:hover{border-color:var(--current)}.choice-row button[aria-pressed=true],.pair-controls button.selected{background:#0d2a4d;border-color:var(--current);color:#fff;box-shadow:var(--glow-c)}.legend{color:var(--muted)}.stage,.stage.night{border-radius:10px;border:1px solid #1d2a57;background:radial-gradient(ellipse at 50% 0%,#1d2f6a,#0e1736 55%,#070b1d)}.stage:before{content:"";position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(#38e1ff0b 1px,transparent 1px),linear-gradient(90deg,#38e1ff0b 1px,transparent 1px);background-size:32px 32px;-webkit-mask-image:radial-gradient(ellipse at center,#000 40%,transparent 85%);mask-image:radial-gradient(ellipse at center,#000 40%,transparent 85%)}.stage:after{content:"";position:absolute;inset:0;pointer-events:none;border-radius:10px;box-shadow:inset 0 0 60px #000a,inset 0 0 0 1px #38e1ff14}.stage #scene{position:relative}.stage .stage-label{color:#9fdcff;font-weight:600;letter-spacing:.3px;z-index:1}.stage-hint{color:var(--faint)}.stage text{fill:#d8def5}.stage .muted{fill:#8f9bc4}.stage .object-name{fill:#eef1ff}aside{color:var(--ink)}.observation{border-bottom-color:var(--line)}.observation>p{color:var(--muted)}.discovery{color:#bfe9ff;border-left-color:var(--current)}.readout-card,.charge-card{background:linear-gradient(160deg,#0f1a40,#0a1029);border:1px solid var(--line);border-radius:8px}.readout-card strong,.charge-card strong{color:var(--muted)}.readout-card b{color:#fff;text-shadow:0 0 12px #38e1ff55}.readout-card small,.charge-card small,.charge-badge{color:var(--faint)}.positive-text{color:#ff6b7a}.negative-text{color:#4fb4ff}.data-table th,.data-table td{border-color:var(--line)}.data-table th{background:#0f1a40;color:#bcd2ff}.data-table td{color:var(--ink);background:#0a1029}.data-table td.fresh{background:#3a3000;color:var(--volt)}@keyframes pop{0%{transform:scale(.6);background:#ffd23f;color:#2a1600}to{transform:scale(1)}}.record-block strong,.record-row>span,.record-card{color:var(--muted)}.cell{background:#0a1029;border-color:var(--line-2)}.cell.on{background:linear-gradient(var(--volt),var(--volt-2));border-color:var(--volt);box-shadow:var(--glow-v)}.mission p{color:var(--muted)}.answers button{background:#0a1029;border-color:var(--line-2);color:#cfe6ff}.answers button:hover{border-color:var(--current)}.answers button.chosen{border-width:2px}.answers button.chosen.wrong{background:#3a1420;border-color:#ff6b7a;color:#ffd1d6}.answers button.chosen.right{background:#0f3b2a;border-color:var(--ok);color:#c9ffe0;box-shadow:0 0 14px #5dff9a55}.mission p.right{color:#7dffb0!important;font-weight:600}.mission p.wrong{color:#ff9aa6!important}.vocabulary{border-top-color:var(--line)}.term-buttons button{background:#0a1029;border-color:var(--line-2);color:#cfe6ff}.term-buttons button.active{background:#0d2a4d;border-color:var(--current);color:#fff;box-shadow:var(--glow-c)}#term-definition{color:var(--muted)}#term-definition strong{color:var(--volt)}.toast{background:linear-gradient(90deg,var(--volt),var(--volt-2));box-shadow:0 0 0 1px #fff6,0 6px 30px #ffb44a88}.toast.show{animation:zap .5s ease-out}@keyframes zap{0%{filter:brightness(2.2)}30%{filter:brightness(.8)}50%{filter:brightness(1.6)}to{filter:none}}.stage.flash:after{animation:edge-flash .7s ease-out}@keyframes edge-flash{0%{box-shadow:inset 0 0 60px #000a,inset 0 0 0 2px #ffd23f,inset 0 0 40px #ffd23f88}to{box-shadow:inset 0 0 60px #000a,inset 0 0 0 1px #38e1ff14}}.prediction-illustration svg,.prediction-illustration img{border-radius:10px;box-shadow:0 0 0 1px var(--line),0 10px 30px #0008}@media(prefers-reduced-motion:reduce){header:after,.toast.show,.stage.flash:after{animation:none}}@media(max-width:480px){.poe-steps li>span{width:18px;height:18px}}.char-count{margin:6px 0 0;font-size:12px;color:var(--volt);text-align:right}.char-count.enough{color:var(--ok)}body[data-poe=observe] main{max-width:1640px}.observe-body{display:grid;grid-template-columns:270px minmax(0,1fr);gap:24px;align-items:start}.step-guide{position:sticky;top:16px;max-height:calc(100vh - 32px);overflow:auto;padding:20px 18px;border-radius:12px;background:linear-gradient(180deg,#132050,#0c1433);border:1px solid var(--line-2);box-shadow:0 0 0 1px #38e1ff22,0 10px 30px #0008}.step-guide[hidden]{display:none}.guide-kicker{margin:0 0 12px;font-size:15px;font-weight:700;color:#fff}.guide-progress{display:flex;align-items:center;gap:10px;margin-bottom:16px}.guide-bar{flex:1;height:8px;border-radius:8px;background:#0a1029;border:1px solid var(--line);overflow:hidden}.guide-bar span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--current),var(--volt));box-shadow:0 0 10px #38e1ffaa;transition:width .5s}.guide-count{font-size:13px;color:var(--volt);font-variant-numeric:tabular-nums}.guide-steps{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px;position:relative}.guide-steps li{display:flex;gap:10px;align-items:flex-start;padding:10px;border-radius:10px;border:1px solid transparent;color:var(--muted);transition:background .3s,border-color .3s}.guide-num{flex:0 0 26px;height:26px;border-radius:50%;display:grid;place-items:center;font-size:13px;font-weight:700;background:#0a1029;border:1px solid var(--line-2);color:var(--muted)}.guide-steps b{display:block;font-size:13px;line-height:1.5;font-weight:600}.guide-steps small{display:block;font-size:12px;line-height:1.6;margin-top:3px;color:var(--faint)}.guide-steps li.done{opacity:.75}.guide-steps li.done b{text-decoration:line-through;text-decoration-color:#5dff9a88}.guide-steps li.done .guide-num{background:#0f3b2a;border-color:var(--ok);color:var(--ok)}.guide-steps li.current{background:#16264f;border-color:var(--volt);color:#fff;box-shadow:0 0 0 1px #ffd23f55,0 0 18px #ffd23f33}.guide-steps li.current .guide-num{background:var(--volt);border-color:var(--volt);color:#2a1600;animation:guide-pulse 1.6s ease-in-out infinite}.guide-steps li.current small{color:#cfe6ff}.guide-steps .guide-now{display:inline-block!important;margin:4px 0 2px;padding:1px 8px;border-radius:10px;background:var(--volt);color:#2a1600!important;font-weight:700;font-size:11px}@keyframes guide-pulse{0%,to{box-shadow:0 0 #ffd23f88}50%{box-shadow:0 0 0 7px #ffd23f00}}.step-guide.advance{animation:guide-advance .7s ease-out}@keyframes guide-advance{0%{box-shadow:0 0 0 2px var(--ok),0 0 30px #5dff9a88}to{box-shadow:0 0 0 1px #38e1ff22,0 10px 30px #0008}}@media(max-width:1359px){body[data-poe=observe] main{max-width:1280px}.observe-body{grid-template-columns:1fr;gap:16px}.step-guide{position:relative;top:0;max-height:none}.guide-steps{flex-direction:row;flex-wrap:wrap}.guide-steps li{flex:1 1 180px}.guide-steps li.todo small:not(.guide-now){display:none}}@media(max-width:600px){.guide-steps li{flex:1 1 100%}.guide-steps li.done small{display:none}}@media(prefers-reduced-motion:reduce){.guide-steps li.current .guide-num,.step-guide.advance{animation:none}}.poe-steps li{padding:0}.poe-steps li>button{display:flex;align-items:center;gap:9px;width:100%;padding:12px 18px;border:0;border-radius:inherit;background:none;color:inherit;font:inherit;font-size:inherit;text-align:left}.poe-steps li>button:disabled{opacity:1;cursor:default}.poe-steps li>button>span{display:inline-grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--line);color:var(--ink);font-size:12px}.poe-steps li[aria-current=step]>button>span{background:var(--current);color:#04121f}.poe-steps li.reached:not([aria-current]){border-color:var(--line-2);color:#cfe6ff}.poe-steps li.reached:not([aria-current])>button:hover{background:#0f1a40}.experiment-switch{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin:0 0 10px;scroll-margin-top:16px}.experiment-switch button{display:grid;gap:2px;text-align:left;padding:14px 18px;border-radius:12px;border:2px solid var(--line-2);background:#0a1029;color:var(--muted);font:inherit}.experiment-switch .experiment-num{font-size:13px;color:var(--current)}.experiment-switch b{font-size:19px;color:var(--ink)}.experiment-switch small{font-size:13px;color:var(--faint)}.experiment-switch button[aria-current]{border-color:var(--volt);background:#16264f;box-shadow:0 0 0 1px #ffd23f55,0 0 18px #ffd23f33}.experiment-switch button.done small{color:var(--ok)}.experiment-switch button:hover{border-color:var(--current)}.experiment-now{margin:0 0 14px;font-size:15px;font-weight:700;color:var(--volt)}.review-panel{margin-bottom:24px}.review-item{margin:18px 0;padding:16px 18px;border-radius:10px;background:#0a1029;border:1px solid var(--line)}.review-question{margin:0 0 10px;color:var(--ink)!important;font-weight:600}.review-choices{display:flex;flex-wrap:wrap;gap:8px}.review-choice{padding:10px 14px;border-radius:8px;border:1px solid var(--line-2);background:#0d1430;color:#cfe6ff;font:inherit}.review-choice.chosen{border-color:var(--current);background:#0d2a4d}.review-feedback[data-state=right]{color:var(--ok)!important}.review-feedback[data-state=wrong]{color:#ffb4bd!important}.glossary{margin:14px 0;padding:10px 14px;border-radius:8px;background:#0a1029;border:1px solid var(--line)}.glossary summary{cursor:pointer;color:var(--current);font-weight:600}.glossary dl{margin:10px 0 0;display:grid;gap:8px}.glossary dt{font-weight:700;color:var(--ink)}.glossary dd{margin:2px 0 0;color:var(--muted);line-height:1.6}.next-experiment{margin-top:28px;padding:22px 24px;border-radius:12px;border:1px solid var(--volt);background:#16264f}.next-experiment p{margin:0 0 14px;color:var(--ink)!important;font-weight:600}body.report-locked #explanation-record,body.report-locked #observation-record{opacity:.85}.quiz-feedback.right{color:#7dffb0!important;font-weight:600}.quiz-feedback.wrong{color:#ff9aa6!important}.answers button.answer{border:2px dashed var(--ok);color:#c9ffe0}.answers button:disabled{opacity:1;cursor:default}.quiz-actions{margin:16px 0}.quiz-result{margin-top:18px;padding:18px 20px;border-radius:12px;background:#0a1029;border:1px solid var(--line-2)}.quiz-result h3{margin:0 0 6px!important;color:var(--ink)}.quiz-score{font-size:18px!important;font-weight:700;color:var(--volt)!important}.quiz-review{padding-left:0;list-style:none;display:grid;gap:10px}.quiz-review li{padding:10px 12px;border-radius:8px;border-left:4px solid var(--ok);background:#0d1430}.quiz-review li.wrong{border-left-color:#ff6b7a}.quiz-review b{color:var(--ink)}.quiz-review p{margin:4px 0 0!important;color:#cfe6ff!important;line-height:1.7}.feedback-box{margin-top:28px;padding:20px 22px;border-radius:7px;border:1px dashed var(--line-2);background:#0a1029}.feedback-box h3{margin:0 0 10px;color:var(--ink)}.feedback-box textarea{display:block;width:100%;min-height:90px;padding:12px;border-radius:5px;border:1px solid var(--line-2);background:#070c22;color:var(--ink);font:inherit;line-height:1.7;resize:vertical}.optional-tag{display:inline-block;margin-left:6px;padding:1px 8px;border-radius:10px;background:var(--line);color:var(--muted);font-size:12px;vertical-align:middle}.primary.big,.secondary.big{padding:13px 22px;font-size:15px;border-radius:8px}.submit-done{margin-top:18px;padding:20px 22px;border-radius:10px;border:2px solid var(--ok);background:#0f3b2a}.submit-done h3{margin:0 0 8px;color:#c9ffe0}.submit-done p{color:#e6fff0!important}.report-preview{width:min(760px,calc(100vw - 24px));max-height:calc(100dvh - 24px);padding:0;border:1px solid var(--line-2);border-radius:14px;background:var(--panel);color:var(--ink);display:none;flex-direction:column;overflow:hidden}.report-preview[open]{display:flex;position:fixed;inset:0;margin:auto;z-index:50}.report-preview::backdrop{background:#020512cc}body:has(.report-preview[open]){overflow:hidden}.preview-body{overflow:auto;padding:22px 24px 8px;flex:1 1 auto}.preview-body h2{margin:0 0 6px;font-size:22px}.preview-body h3{margin:18px 0 8px;font-size:16px;color:var(--current)}.preview-body dl{margin:0;display:grid;gap:8px}.preview-body dl>div{padding:10px 12px;border-radius:8px;background:#0a1029;border:1px solid var(--line)}.preview-body dt{font-size:13px;font-weight:700;color:var(--muted)}.preview-body dd{margin:4px 0 0;line-height:1.7;white-space:pre-wrap;overflow-wrap:anywhere;color:var(--ink)}.preview-body .empty{color:var(--faint)}.preview-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.preview-status{margin:0;padding:0 24px;font-size:14px;line-height:1.7;color:var(--muted)}.preview-status:empty{display:none}.preview-status[data-state=error]{color:#ff9aa6}.preview-actions{display:flex;gap:12px;justify-content:flex-end;padding:14px 24px calc(14px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:var(--panel-2)}.spinner{display:inline-block;width:14px;height:14px;margin-right:6px;border:2px solid #ffffff66;border-top-color:#fff;border-radius:50%;vertical-align:-2px;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:600px){.preview-grid{grid-template-columns:1fr 1fr}.preview-body{padding:18px 16px 8px}.preview-actions{padding:12px 16px calc(12px + env(safe-area-inset-bottom))}.preview-actions button{flex:1}.experiment-switch{grid-template-columns:1fr 1fr;gap:8px}.experiment-switch button{padding:10px 12px}.experiment-switch b{font-size:16px}}@media(prefers-reduced-motion:reduce){.spinner{animation:none}}.submit-buttons{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end}@media(max-width:600px){.submit-buttons{width:100%}.submit-buttons button{flex:1 1 calc(50% - 10px)}}#print-report{display:none}@media print{@page{size:A4;margin:16mm 15mm}:root{color-scheme:light}html,body{background:#fff!important;color:#111!important;min-height:0}body>*:not(#print-report){display:none!important}#print-report{display:block;color:#111;font-family:Noto Sans KR,Apple SD Gothic Neo,Malgun Gothic,Arial,sans-serif;font-size:11pt;line-height:1.65;-webkit-print-color-adjust:exact;print-color-adjust:exact}.print-head{padding-bottom:10pt;border-bottom:2pt solid #1f3b6f;margin-bottom:12pt}.print-kicker{margin:0;font-size:10pt;color:#1f3b6f;font-weight:700;letter-spacing:.5pt}.print-head h1{margin:2pt 0 4pt;font-size:19pt;line-height:1.35;color:#111;background:none;-webkit-text-fill-color:#111}.print-date{margin:0;font-size:9.5pt;color:#555}.print-info{display:grid;grid-template-columns:1fr 1fr 1fr 2fr;margin:0 0 14pt;border:1pt solid #c9d1e3;border-radius:4pt;overflow:hidden}.print-info>div{padding:6pt 9pt;border-right:1pt solid #c9d1e3}.print-info>div:last-child{border-right:0}.print-info dt{font-size:8.5pt;color:#555}.print-info dd{margin:2pt 0 0;font-size:11.5pt;font-weight:700;min-height:14pt}.print-info .blank{display:inline-block;width:70%;border-bottom:1pt solid #999}.print-section{margin:0 0 12pt}.print-section h2{margin:0 0 6pt;padding:4pt 8pt;font-size:13pt;color:#fff;background:#1f3b6f;border-radius:3pt;break-after:avoid}.print-section dl{margin:0}.print-item{padding:5pt 2pt 7pt;border-bottom:.75pt solid #dde2ec;break-inside:avoid}.print-item dt{font-size:9.5pt;font-weight:700;color:#1f3b6f}.print-item dd{margin:2pt 0 0;white-space:pre-wrap;overflow-wrap:anywhere}.print-item .empty{color:#888}.print-foot{margin-top:16pt;font-size:8.5pt;color:#888;text-align:right}}.lab-readable{--faint:#8d9ac2;--muted:#b4c0e0;--fs:1}.lab-readable.text-s{--fs:.88}.lab-readable.text-l{--fs:1.15}.lab-readable header{height:auto;min-height:64px}.lab-readable .brand{font-size:calc(17px * var(--fs))}.lab-readable .grade,.lab-readable .breadcrumb{font-size:calc(14px * var(--fs))}.lab-readable h1{font-size:calc(36px * var(--fs));line-height:1.3}.lab-readable .intro p{font-size:calc(18px * var(--fs));line-height:1.7}.lab-readable .poe-steps li{font-size:calc(17px * var(--fs))}.lab-readable .poe-steps li>button{padding:14px 20px}.lab-readable .poe-steps li>button>span{width:26px;height:26px;font-size:calc(14px * var(--fs))}.lab-readable .experiment-now{font-size:calc(18px * var(--fs))}.lab-readable .poe-kicker{font-size:calc(15px * var(--fs))}.lab-readable .poe-panel h2,.lab-readable .poe-section-heading h2{font-size:calc(28px * var(--fs));line-height:1.45}.lab-readable .poe-panel p,.lab-readable .prediction-scene>p:not(.poe-kicker){font-size:calc(17px * var(--fs));line-height:1.8}.lab-readable .poe-form legend,.lab-readable .writing-label{font-size:calc(19px * var(--fs));line-height:1.6}.lab-readable .prediction-choice{font-size:calc(18px * var(--fs));padding:15px 16px}.lab-readable .prediction-choice input{width:20px;height:20px}.lab-readable .poe-panel textarea,.lab-readable .poe-record textarea,.lab-readable .feedback-box textarea{font-size:calc(17px * var(--fs));line-height:1.75}.lab-readable .poe-hint{font-size:calc(15px * var(--fs));line-height:1.8}.lab-readable .char-count{font-size:calc(14px * var(--fs))}.lab-readable .poe-record h3{font-size:calc(22px * var(--fs))}.lab-readable #observation-progress,.lab-readable .prediction-reminder,.lab-readable .poe-comparison h3{font-size:calc(16px * var(--fs))}.lab-readable .poe-comparison p,.lab-readable .concept-sequence li{font-size:calc(17px * var(--fs))}.lab-readable .concept-note{font-size:calc(16px * var(--fs))}.lab-readable .review-question{font-size:calc(18px * var(--fs))}.lab-readable .review-choice{font-size:calc(16px * var(--fs));padding:12px 16px}.lab-readable .glossary{font-size:calc(16px * var(--fs))}.lab-readable .primary,.lab-readable .secondary{font-size:calc(16px * var(--fs));padding:12px 18px;border-radius:8px}.lab-readable .primary.big,.lab-readable .secondary.big{font-size:calc(17px * var(--fs));padding:14px 22px}.lab-readable .tabs button{font-size:calc(14px * var(--fs))}.lab-readable .pair-controls button,.lab-readable .choice-row button{font-size:calc(15px * var(--fs));padding:9px 14px}.lab-readable .choice-row .group-label,.lab-readable .pair-controls p{font-size:calc(14px * var(--fs))}.lab-readable .readout-card b{font-size:calc(22px * var(--fs))}.lab-friction .lab-toolbar .tabs{display:none}.lab-now{margin:0;padding:16px 0;font-size:calc(18px * var(--fs));font-weight:700;color:var(--volt)}.lab-readable .reset{font-size:calc(15px * var(--fs))}.lab-readable .instruction strong{font-size:calc(20px * var(--fs));line-height:1.5}.lab-readable .instruction p{font-size:calc(16px * var(--fs));line-height:1.7}.lab-readable .toggle{font-size:calc(16px * var(--fs));font-weight:600;padding:8px 12px;border:1px solid var(--line-2);border-radius:20px;background:#0a1029}.lab-readable .toggle input{width:20px;height:20px}.lab-friction #controls{padding:4px 22px 0}.lab-friction .material-now{margin:6px 0 4px!important;font-size:calc(16px * var(--fs));color:var(--muted);line-height:1.7}.lab-friction .material-now b{color:var(--ink)}.material-picker{display:flex!important;flex-wrap:wrap;align-items:stretch;gap:10px!important}.material-picker .group-label{width:100%;font-size:calc(15px * var(--fs))!important;color:var(--ink)!important;font-weight:600}.material-picker button{display:flex;align-items:center;gap:8px;min-width:150px;margin:0!important;padding:12px 16px!important;border-radius:10px!important;border:2px solid var(--line-2)!important;font-size:calc(17px * var(--fs))!important;font-weight:600}.material-picker button[aria-pressed=true]{border-color:var(--volt)!important;background:#16264f!important;color:#fff!important;box-shadow:0 0 0 1px #ffd23f55,0 0 18px #ffd23f33}.material-picker small{margin-left:auto;padding:2px 8px;border-radius:10px;background:var(--volt);color:#2a1600;font-size:calc(13px * var(--fs));font-weight:700}.material-icon{font-size:calc(22px * var(--fs))}.lab-friction #actions{display:flex;flex-wrap:wrap;justify-content:flex-start;gap:10px;padding:10px 22px 12px}.autoplay{margin:6px 22px 4px;padding:12px 14px;border-radius:10px;border:1px solid var(--line-2);background:#0a1029}.autoplay-buttons{display:flex;flex-wrap:wrap;align-items:center;gap:10px}.autoplay .pace{margin-left:auto;font-size:calc(15px * var(--fs));color:var(--muted)}.autoplay select{margin-left:6px;padding:8px 10px;border-radius:6px;border:1px solid var(--line-2);background:#0d1430;color:var(--ink);font:inherit;font-size:calc(15px * var(--fs))}.autoplay-steps{display:flex;flex-wrap:wrap;gap:6px;margin:12px 0 0;padding:0;list-style:none}.autoplay-steps li{padding:5px 10px;border-radius:14px;border:1px solid var(--line-2);font-size:calc(14px * var(--fs));color:var(--muted)}.autoplay-steps li.done{color:var(--ok);border-color:#5dff9a66}.autoplay-steps li.current{color:#2a1600;background:var(--volt);border-color:var(--volt);font-weight:700}.autoplay-caption{margin:10px 0 0;font-size:calc(17px * var(--fs));line-height:1.7;color:var(--ink)}.lab-readable .stage-label,.lab-readable .stage-hint{font-size:calc(14px * var(--fs))}.lab-friction #scene .object-name{font-size:calc(22px * var(--fs))}.lab-readable .legend{font-size:calc(14px * var(--fs))}.lab-readable .model-note{font-size:calc(15px * var(--fs));line-height:1.75}.lab-readable .toast{font-size:calc(16px * var(--fs))}.lab-readable .section-label{font-size:calc(14px * var(--fs))}.lab-readable .observation h2,.lab-readable #simulation-mount .observation h2{font-size:calc(22px * var(--fs))}.lab-readable .observation>p,.lab-readable #simulation-mount .observation>p{font-size:calc(16px * var(--fs));line-height:1.8}.lab-readable .readout-card strong{font-size:calc(14px * var(--fs))}.lab-readable .readout-card small{font-size:calc(13px * var(--fs))}.lab-readable .discovery{font-size:calc(15px * var(--fs))}.lab-readable .small-tag{font-size:calc(14px * var(--fs))}.lab-readable .mission h2{font-size:calc(22px * var(--fs))}.lab-readable .mission h3{font-size:calc(18px * var(--fs));line-height:1.6}.lab-readable .answers button{font-size:calc(17px * var(--fs));padding:12px 10px}.lab-readable .answers.stacked button{padding:12px 14px}.lab-readable .mission p{font-size:calc(15px * var(--fs));line-height:1.8}.lab-readable .quiz-review p{font-size:calc(16px * var(--fs))!important}.lab-readable .vocab-heading h2{font-size:calc(20px * var(--fs))}.lab-readable .vocab-heading span{font-size:calc(14px * var(--fs))}.lab-readable .term-buttons button{font-size:calc(16px * var(--fs));padding:10px 18px}.lab-readable #term-definition,.lab-readable .guide-kicker{font-size:calc(17px * var(--fs))}.lab-readable .guide-steps b{font-size:calc(16px * var(--fs))}.lab-readable .guide-steps small{font-size:calc(14px * var(--fs))}.lab-readable .submit-fields label{font-size:calc(16px * var(--fs))}.lab-readable .submit-fields input{font-size:calc(17px * var(--fs))}.lab-readable .submit-status,.lab-readable .submit-match{font-size:calc(15px * var(--fs))}@media(max-width:800px){.lab-readable h1{font-size:calc(30px * var(--fs))}.lab-readable .poe-panel h2,.lab-readable .poe-section-heading h2{font-size:calc(24px * var(--fs))}}@media(max-width:600px){.lab-readable h1{font-size:calc(27px * var(--fs))}.lab-readable .intro p{font-size:calc(17px * var(--fs))}.lab-readable .poe-steps li{font-size:calc(15px * var(--fs))}.lab-readable .poe-steps li>button{padding:12px 6px;justify-content:center;gap:6px}.lab-readable .poe-panel h2,.lab-readable .poe-section-heading h2{font-size:calc(22px * var(--fs))}.lab-readable .poe-form legend,.lab-readable .writing-label{font-size:calc(18px * var(--fs))}.lab-readable .prediction-choice{font-size:calc(17px * var(--fs))}.lab-readable .instruction strong{font-size:calc(18px * var(--fs))}.lab-readable .instruction p{max-width:none}.lab-readable .instruction{flex-wrap:wrap}.lab-friction #controls{padding:4px 13px 0}.lab-friction #actions{padding:10px 13px 12px}.lab-friction #actions button{flex:1 1 calc(50% - 10px)}.autoplay{margin:6px 13px 4px}.autoplay .pace{margin-left:0}.material-picker button{flex:1 1 calc(50% - 10px);min-width:0;padding:12px!important}.material-picker .picked-word{display:none}.lab-readable .tabs button,.lab-readable .reset span{font-size:calc(14px * var(--fs))}}.header-right{display:flex;align-items:center;gap:18px}.text-size{display:flex;align-items:center;gap:4px}.text-size span{margin-right:4px;font-size:14px;color:var(--muted)}.text-size button{min-width:40px;height:36px;padding:0 10px;border-radius:8px;border:1px solid var(--line-2);background:#0a1029;color:#cfe6ff;font-weight:700}.text-size [data-text-size=s]{font-size:13px}.text-size [data-text-size=m]{font-size:16px}.text-size [data-text-size=l]{font-size:19px}.text-size button[aria-pressed=true]{background:var(--volt);border-color:var(--volt);color:#2a1600}@media(max-width:600px){.lab-readable .grade,.text-size span{display:none}}
