.learning-fields{border-top:1px solid var(--line);padding-top:22px;margin-top:24px}.learning-fields .hint{font-size:11px;color:var(--muted);line-height:1.8}.learning-fields #learning-brief{min-height:90px}.learning-summary{margin-bottom:22px}.learning-summary p{margin:6px 0;white-space:pre-wrap}.lesson-tabs{gap:20px;overflow-x:auto}.lesson-tab{white-space:nowrap;flex-shrink:0}.studio-heading{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:24px}.studio-heading h2{font-size:22px;margin:10px 0}.studio-heading p:not(.eyebrow){color:var(--muted);font-size:12px;line-height:1.8}.presentation-panel{background:#15191e;border:1px solid var(--line);border-radius:16px;padding:24px}.studio-empty{padding:60px 15px;text-align:center;border:1px dashed #ffffff22;border-radius:14px;background:radial-gradient(ellipse at center,#3ed1c20b,transparent 70%)}.studio-empty>span{display:block;font-size:60px;color:#59dcd0;margin-bottom:15px}.studio-empty h3{font-size:19px;margin-bottom:14px}.studio-empty p{font-size:12px;color:var(--muted);line-height:2;margin-bottom:24px}.deck-toolbar{display:flex;gap:10px;align-items:center;margin-bottom:17px;flex-wrap:wrap}.deck-toolbar label{font-size:11px;color:var(--muted)}.deck-toolbar select{max-width:360px;width:auto;font-size:11px}.deck-toolbar .btn{margin-left:auto;white-space:nowrap}
.theme-tech{--studio-bg:#101623;--studio-panel:#182332;--studio-fg:#f4f7fa;--studio-muted:#a4bacd;--studio-accent:#39ded9;--studio-border:#39ded92b}.theme-chalk{--studio-bg:#102a25;--studio-panel:#18382f;--studio-fg:#f2f0db;--studio-muted:#b5c7b8;--studio-accent:#f2d35d;--studio-border:#f2f0db38}.theme-paper{--studio-bg:#f5eddd;--studio-panel:#fff9ed;--studio-fg:#302d25;--studio-muted:#726a5b;--studio-accent:#a04c30;--studio-border:#302d2533;font-family:Georgia,"Microsoft JhengHei",serif}.theme-watercolor{--studio-bg:#f4f1fb;--studio-panel:#fff9fd;--studio-fg:#36304a;--studio-muted:#756985;--studio-accent:#ab6eaf;--studio-border:#ab6eaf33}.theme-terminal{--studio-bg:#080e0c;--studio-panel:#0b1c11;--studio-fg:#bdffbc;--studio-muted:#78a68b;--studio-accent:#79f35e;--studio-border:#79f35e44;font-family:Consolas,"Microsoft JhengHei",monospace}
.slide-stage{position:relative;min-height:440px;background:radial-gradient(ellipse at 100% 0,var(--studio-panel),transparent 65%),var(--studio-bg);color:var(--studio-fg);border:1px solid var(--studio-border);border-left:5px solid var(--studio-accent);border-radius:10px;padding:30px 34px;display:flex;flex-direction:column;overflow-wrap:anywhere}.slide-eyebrow{color:var(--studio-accent);font-size:10px;letter-spacing:2px}.slide-stage h2{font-size:clamp(22px,2.4vw,35px);line-height:1.5;margin:23px 0}.slide-copy{flex:1}.slide-copy p{font-size:clamp(13px,1.4vw,19px);line-height:1.9;white-space:pre-wrap;margin:0 0 16px}.slide-stage footer{display:flex;gap:12px;justify-content:space-between;color:var(--studio-muted);font-size:10px;border-top:1px solid var(--studio-border);padding-top:14px;margin-top:18px}.slide-controls{display:flex;align-items:center;gap:12px;justify-content:center;margin:18px 0;flex-wrap:wrap}.slide-controls>span{font-size:12px;color:var(--muted)}.slide-notes{font-size:12px;line-height:1.9;color:var(--muted);padding:14px;border:1px solid var(--line);border-radius:10px}.slide-notes summary{cursor:pointer}.slide-notes p{white-space:pre-wrap;margin:12px 0}.slide-thumbnails{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:9px;margin-top:20px}.slide-thumb{padding:12px;text-align:left;color:var(--muted);border:1px solid var(--line);background:#ffffff03;border-radius:8px;min-height:70px;font-size:11px}.slide-thumb small{display:block;color:var(--orange);margin-bottom:6px}.slide-thumb.active{border-color:var(--orange);color:var(--text);background:#ffa07709}.slide-thumb span{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.studio-modal{width:min(100%,940px);background:#111217}.studio-modal>form>p{font-size:12px;line-height:1.8;margin:12px 0}.studio-jump{display:flex;gap:10px;flex-wrap:wrap;background:#ffffff05;border:1px solid var(--line);padding:12px;border-radius:12px;margin:22px 0}.studio-jump a{padding:7px 15px;background:#ffffff06;border-radius:8px;font-size:12px}.studio-jump a:hover{color:var(--orange)}.studio-label{font-size:14px;margin:26px 0 14px}.studio-label.amber{color:#f8c54d}.studio-label.cyan{color:#36e4d8}.studio-label.violet{color:#a5a1ff}.choice-grid{display:grid;gap:12px;margin-bottom:24px}.audience-choices,.visual-choices{grid-template-columns:repeat(3,minmax(0,1fr))}.tone-choices{grid-template-columns:repeat(4,minmax(0,1fr))}.studio-choice{position:relative;display:block;border:1px solid #ffffff19;border-radius:14px;background:#ffffff03;padding:18px 16px;cursor:pointer;min-width:0;text-align:left;color:var(--text);line-height:1.7}.studio-choice input{position:absolute;opacity:0;width:1px;height:1px}.studio-choice strong{display:block;font-size:13px;font-weight:600}.studio-choice span{display:block;color:#9faec7;font-size:11px;margin-top:8px}.studio-choice:has(input:checked),.studio-choice.chosen{border-color:#33ddd2;background:#18b2b21a;box-shadow:0 0 25px #18b2b210}.audience-choices .studio-choice:has(input:checked){border-color:#f8bf36;background:#ffc03617}.tone-choices .studio-choice:has(input:checked){border-color:#9994fa;background:#9994fa17}.studio-choice:focus-within{outline:2px solid #fff;outline-offset:3px}.studio-modal section{scroll-margin-top:20px}.studio-modal .field{margin-top:24px}.studio-modal .notice{font-size:11px}.studio-modal #presentation-status{color:var(--orange);white-space:pre-wrap;line-height:1.8}
.lab-panel{background:var(--studio-bg);color:var(--studio-fg);border:1px solid var(--studio-border);border-radius:16px;overflow:hidden;min-width:0}.lab-toolbar{padding:16px;border-bottom:1px solid var(--studio-border)}.lab-tabs{display:flex;gap:6px;overflow-x:auto;padding-bottom:10px}.lab-tab{white-space:nowrap;background:transparent;color:var(--studio-muted);font-size:11px;padding:10px;border:1px solid transparent;border-radius:9px}.lab-tab.active{border-color:var(--studio-accent);color:var(--studio-fg);background:var(--studio-panel)}.lab-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.lab-panel .btn{color:var(--studio-fg);border-color:var(--studio-border);background:var(--studio-panel)}.lab-panel .btn.primary{background:var(--studio-accent);color:var(--studio-bg)}.lab-panel .tag{color:var(--studio-accent);border-color:var(--studio-border);background:transparent;font-size:10px}.lab-source{display:flex;align-items:center;gap:8px;padding:12px 19px;border-bottom:1px solid var(--studio-border);font-size:10px;color:var(--studio-muted)}.lab-source .dot{background:var(--studio-accent)}.lab-guide{padding:17px 20px;background:var(--studio-panel);font-size:11px;line-height:1.9;border-bottom:1px solid var(--studio-border)}.lab-guide strong{color:var(--studio-accent)}.lab-guide>span{display:inline-block;color:var(--studio-accent);margin-top:8px;font-size:10px}.lab-guide p{margin:5px 0}#lab-canvas{padding:25px;min-width:0}.lab-experiment h2,.lab-game h2,.code-lab h2{font-size:21px;line-height:1.7;margin:10px 0}.lab-caption{font-size:11px;color:var(--studio-muted);line-height:1.9;margin:14px 0}.lab-panel .eyebrow{color:var(--studio-accent)}.process-track{display:flex;align-items:stretch;gap:12px;overflow-x:auto;padding:25px 2px;margin:8px 0;scroll-snap-type:x mandatory}.process-node{flex:0 0 185px;min-width:0;max-width:220px;padding:18px 15px;text-align:left;color:var(--studio-fg);background:var(--studio-panel);border:1px solid var(--studio-border);border-radius:15px;scroll-snap-align:start;overflow-wrap:anywhere}.process-node small{font-size:10px;letter-spacing:1px;color:var(--studio-muted)}.process-node strong{display:block;margin:12px 0;font-size:13px;line-height:1.8}.process-node>span{font-size:11px;color:var(--studio-muted);line-height:1.9}.process-node.active{border-color:var(--studio-accent);box-shadow:0 0 24px color-mix(in srgb,var(--studio-accent) 13%,transparent)}.process-node.visited small{color:var(--studio-accent)}.process-arrow{align-self:center;color:var(--studio-accent);font-size:25px}.lab-detail{padding:22px;background:var(--studio-panel);border:1px solid var(--studio-border);border-radius:14px}.lab-detail h3{font-size:17px;margin:14px 0}.lab-detail>p,.concept-grid p{font-size:12px;line-height:2;white-space:pre-wrap;overflow-wrap:anywhere}.lab-reflection{border-top:1px solid var(--studio-border);padding-top:18px;margin-top:20px}.lab-reflection strong,.lab-reflection label{display:block;font-size:11px;margin-bottom:9px}.lab-reflection textarea{width:100%;background:var(--studio-bg);color:var(--studio-fg);border:1px solid var(--studio-border);padding:12px;border-radius:8px;font:inherit;font-size:12px}.lab-panel .slide-controls>span{color:var(--studio-muted)}
.cube-scene{height:380px;position:relative;perspective:850px;display:grid;place-items:center;overflow:hidden;touch-action:none;cursor:grab;background:radial-gradient(ellipse,var(--studio-panel),transparent 70%);border:1px solid var(--studio-border);border-radius:14px;outline-offset:3px}.cube-scene:active{cursor:grabbing}.knowledge-cube{width:210px;height:210px;position:relative;transform-style:preserve-3d;user-select:none}.cube-face{position:absolute;width:210px;height:210px;padding:19px;background:var(--studio-panel);border:1px solid var(--studio-accent);border-radius:12px;backface-visibility:hidden;box-shadow:inset 0 0 22px #0002}.cube-face small{font-size:9px;color:var(--studio-accent);letter-spacing:1px}.cube-face strong{display:block;font-size:14px;line-height:1.7;margin:13px 0 8px}.cube-face p{font-size:10px;line-height:1.8;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}.face-0{transform:translateZ(105px)}.face-1{transform:rotateY(90deg) translateZ(105px)}.face-2{transform:rotateY(180deg) translateZ(105px)}.face-3{transform:rotateY(-90deg) translateZ(105px)}.face-4{transform:rotateX(90deg) translateZ(105px)}.face-5{transform:rotateX(-90deg) translateZ(105px)}.cube-caption{position:absolute;bottom:15px;font-size:10px;color:var(--studio-muted)}.cube-controls{display:flex;justify-content:center;gap:12px;margin:18px 0}.concept-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.concept-grid details{padding:16px;background:var(--studio-panel);border:1px solid var(--studio-border);border-radius:10px}.concept-grid summary{font-size:12px;cursor:pointer}.concept-grid p{margin-top:12px}.lab-game{max-width:780px;margin:auto}.lab-game .muted,.code-lab .muted{color:var(--studio-muted)}.quest-progress{display:flex;gap:10px;flex-wrap:wrap;margin:24px 0}.quest-progress span{width:33px;height:33px;border:1px solid var(--studio-border);border-radius:50%;display:grid;place-items:center;font-size:12px;color:var(--studio-muted)}.quest-progress .unlocked{background:var(--studio-accent);color:var(--studio-bg)}.lab-game blockquote{padding:25px;border-left:3px solid var(--studio-accent);background:var(--studio-panel);font-size:15px;line-height:2;margin:20px 0;white-space:pre-wrap}.lab-game h3{font-size:15px}.quest-choices{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:22px 0}.quest-choices .btn{white-space:normal;text-align:left;line-height:1.8;justify-content:flex-start}#quest-feedback{color:var(--studio-accent);font-size:12px}.quest-finish{text-align:center;padding:50px 20px;font-size:45px;color:var(--studio-accent)}.quest-finish h3{margin:20px 0;font-size:18px}.mind-root{max-width:520px;margin:auto;padding:22px;border:1px solid var(--studio-accent);border-radius:14px;text-align:center;background:var(--studio-panel)}.mind-root small{color:var(--studio-accent);font-size:10px;letter-spacing:2px}.mind-root h2{font-size:21px;margin:12px 0}.mind-root p{font-size:12px;line-height:1.9;color:var(--studio-muted)}.mind-branches{margin:0 0 0 25px;border-left:2px solid var(--studio-border);padding:24px 0 0 25px}.mind-node{position:relative;border:1px solid var(--studio-border);border-radius:12px;background:var(--studio-panel);margin-bottom:16px}.mind-node:before{content:'';position:absolute;width:25px;height:1px;background:var(--studio-accent);left:-26px;top:27px}.mind-node summary{padding:16px;cursor:pointer;font-size:13px}.mind-node summary span{color:var(--studio-accent);margin-right:9px}.mind-node>div{border-top:1px solid var(--studio-border);padding:10px 20px}.mind-node p{font-size:12px;line-height:2;overflow-wrap:anywhere;margin:10px 0}.code-layout{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin:20px 0}.code-layout .field{margin:0;min-width:0}.code-layout .field textarea{height:340px;background:var(--studio-bg);color:var(--studio-fg);border-color:var(--studio-border);font:12px/1.9 Consolas,monospace;tab-size:2;white-space:pre}.code-output{min-width:0;border:1px solid var(--studio-border);background:var(--studio-panel);border-radius:10px;padding:15px}.code-output h3{font-size:12px;color:var(--studio-accent);margin-bottom:15px}.code-output pre{max-height:295px;overflow:auto;font:11px/1.8 Consolas,monospace;white-space:pre-wrap;overflow-wrap:anywhere}.fullscreen-deck{position:fixed;inset:0;z-index:110;background:#080c12;display:grid;grid-template-rows:minmax(0,1fr) auto;padding:25px;overflow:auto}.fullscreen-deck .slide-stage{width:min(100%,1400px);margin:auto;min-height:min(75vh,750px);max-height:85vh;overflow:auto}.fullscreen-deck .slide-controls{margin:12px}.fullscreen-deck .slide-copy p{font-size:clamp(16px,2vw,26px)}
@media(max-width:1050px){.studio-heading{align-items:start;flex-direction:column}.tone-choices{grid-template-columns:repeat(2,minmax(0,1fr))}.code-layout{grid-template-columns:1fr}.code-output{min-height:150px}.slide-stage{padding:25px}.slide-stage h2{font-size:24px}.slide-copy p{font-size:14px}}
@media(max-width:760px){.audience-choices,.visual-choices{grid-template-columns:repeat(2,minmax(0,1fr))}.studio-modal{padding:21px}.studio-choice{padding:15px 12px}.studio-choice strong{font-size:12px}.studio-choice span{font-size:10px}.studio-jump{gap:5px}.studio-jump a{padding:6px 9px;font-size:11px}.presentation-panel{padding:17px}.deck-toolbar select{max-width:100%;width:100%}.deck-toolbar .btn{margin:0}.studio-heading h2{font-size:20px}.studio-heading .btn{font-size:11px}.slide-stage{min-height:340px;padding:22px 19px}.slide-stage h2{font-size:23px}.slide-copy p{font-size:13px}.slide-stage footer{font-size:9px}.slide-thumbnails{grid-template-columns:repeat(3,minmax(0,1fr))}.slide-controls{gap:8px}.slide-controls .btn{font-size:10px;padding:8px 10px}#lab-canvas{padding:17px}.lab-toolbar{padding:12px}.lab-guide{padding:15px}.lab-experiment h2,.lab-game h2{font-size:18px}.process-node{flex-basis:170px}.concept-grid,.quest-choices{grid-template-columns:1fr}.cube-scene{height:340px}.fullscreen-deck{padding:10px}.fullscreen-deck .slide-stage{min-height:70vh}.learning-fields .inline-fields{grid-template-columns:1fr}}
@media(max-width:420px){.audience-choices{grid-template-columns:1fr}.visual-choices,.tone-choices{grid-template-columns:1fr 1fr}.studio-choice strong{font-size:11px}.studio-jump{padding:9px}.studio-modal h2{font-size:18px}.studio-modal .form-actions .btn{width:100%}.lab-actions .tag{display:none}.lab-toolbar .btn{font-size:10px}.mind-branches{margin-left:7px;padding-left:17px}.mind-node:before{left:-18px;width:17px}.slide-thumb{padding:9px;font-size:10px}}

/* Personal learning level */
.learning-fields>h3{font-size:15px;margin-bottom:8px}.learning-selects{display:grid;grid-template-columns:1fr 1fr 1.25fr;gap:12px;margin-top:18px}.learning-selects .field{margin-bottom:10px}.level-description{font-size:11px;color:var(--green);margin:0 0 20px;line-height:1.8}.learner-panel{margin-top:22px;border:1px solid #99cecc30;border-radius:14px;background:linear-gradient(135deg,#49b9b509,#191c1e);padding:20px}.learner-panel>header{display:flex;justify-content:space-between;gap:15px;align-items:center}.learner-panel h3{font-size:16px;margin:6px 0}.learner-panel header p{font-size:11px;color:var(--muted)}.learner-panel .eyebrow{font-size:9px;color:#8cdbd2;letter-spacing:1.8px}.learner-badge{padding:10px 12px;border-radius:10px;border:1px solid #99cecc38;background:#99cecc10;color:#8cdbd2;font-size:18px;font-weight:600;white-space:nowrap}.learner-panel .inline-fields{gap:12px}.learner-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.learner-actions .btn{font-size:10px}.learning-extra{font-size:11px;color:var(--muted);margin:12px 0}.learning-extra summary{cursor:pointer}.learning-extra .field{margin-top:12px}.learning-extra textarea{min-height:80px}.learning-footnote{font-size:10px;color:var(--muted);line-height:1.9;margin-top:13px}.learning-saving{font-size:11px;color:var(--orange);line-height:1.8}.learning-summary{font-size:12px;overflow-wrap:anywhere}
@media(max-width:1050px){.learner-panel .learning-selects{grid-template-columns:1fr 1fr}.learner-panel .learning-selects>.field:last-child{grid-column:1/-1}}@media(max-width:760px){.learning-selects{grid-template-columns:1fr 1fr}.learning-selects>.field:last-child{grid-column:1/-1}.learner-panel{padding:16px}.learner-panel .inline-fields{grid-template-columns:1fr}.learner-actions .btn{flex:1;white-space:normal;font-size:10px}.learner-actions #teach-at-my-level{flex-basis:100%}}@media(max-width:420px){.learning-selects,.learner-panel .learning-selects{grid-template-columns:1fr}.learner-badge{font-size:15px}.learner-panel header p{font-size:10px}}