:root{--ink:#173f45;--muted:#60787a;--paper:#fffdf5;--teal:#176e68;--lime:#dfed9b;--gold:#f8c573;--line:#dce5db;--purple:#8474b0}*{box-sizing:border-box}body{margin:0;overflow:hidden;font-family:"Segoe UI","Microsoft JhengHei",sans-serif;color:var(--ink);background:#96d4da}button,input,textarea,select{font:inherit}button{cursor:pointer;border:0;border-radius:10px;padding:11px 15px;background:#e8eee5;color:var(--ink);font-weight:600;transition:background .15s,transform .15s}button:hover{background:#d8e7d7}button:active{transform:translateY(1px)}button:disabled{cursor:default;opacity:.5}button:focus-visible,a:focus-visible{outline:3px solid #cc963d;outline-offset:3px}button.primary{background:var(--teal);color:white;padding:14px 24px}button.primary:hover{background:#125c57}button.secondary{background:#edf0df}button.danger{background:#f8ded4;color:#8b3929}button.ghost{background:transparent;border:1px solid var(--line)}[hidden]{display:none!important}#world{display:block;width:100vw;height:100vh;outline:none;touch-action:none}.topbar{position:absolute;left:28px;right:28px;top:24px;display:flex;align-items:center;justify-content:space-between;gap:20px;pointer-events:none}.brand{display:flex;gap:12px;align-items:center;color:var(--ink);text-decoration:none;letter-spacing:1px;font-size:14px;pointer-events:auto}.brandmark{display:grid;place-items:center;background:var(--ink);color:var(--lime);width:42px;height:42px;border-radius:12px;font-size:30px}.brand b{font-weight:800}.brand small{display:block;font-size:9px;letter-spacing:2px;margin-top:6px}.top-actions{display:flex;align-items:center;gap:10px;pointer-events:auto}.top-actions button{background:#fffdf5e8;box-shadow:0 3px 15px #2149500b}.top-actions span span{margin-left:10px}.save-state{font-size:11px;background:#fffdf5d9;padding:9px 12px;border-radius:20px}.objective{position:absolute;left:28px;top:100px;width:265px;padding:22px;background:#fffdf5ed;box-shadow:0 10px 40px #2d635218;border:1px solid #ffffff70;border-radius:16px}.eyebrow{font-size:10px;font-weight:800;letter-spacing:2px;color:var(--teal)}.objective h2{font-size:20px;margin:12px 0 7px}.objective p{font-size:12px;line-height:1.7;margin:0 0 18px;color:var(--muted)}.progress-track{height:5px;background:#dce6d6;border-radius:5px;overflow:hidden}.progress-track i{display:block;height:100%;background:var(--teal);transition:width .7s}.progress-label{display:flex;justify-content:space-between;font-size:10px;color:var(--muted);margin-top:10px}.map-card{position:absolute;right:28px;bottom:90px;width:235px;border-radius:16px;padding:13px;background:#fffdf5ed;box-shadow:0 10px 30px #173f4517}.map-heading{display:flex;justify-content:space-between;align-items:center;font-size:9px;letter-spacing:1px}.map-heading b{display:block;font-size:12px;letter-spacing:0;margin-top:4px}.map-heading button{padding:3px 10px;font-size:17px;background:transparent}#minimap{width:100%;height:174px}#minimap text{font-family:inherit;font-size:9px;fill:#32565c}#minimap .map-node{cursor:pointer}.map-key{display:flex;justify-content:space-between;font-size:9px;color:var(--teal)}.violet{color:var(--purple)}.gold{color:#bd862a}#location{position:absolute;left:28px;bottom:103px;display:flex;align-items:center;gap:9px;background:#fffdf5df;padding:11px 15px;border-radius:30px;font-size:12px}#location small{font-size:9px;letter-spacing:1px;color:var(--muted)}.location-dot{width:7px;height:7px;border-radius:50%;background:var(--teal)}.bottom-controls{position:absolute;bottom:24px;left:28px;right:28px;display:flex;align-items:center;gap:20px;font-size:11px;background:#fffdf5ec;border-radius:12px;padding:10px 16px;width:fit-content}.bottom-controls span{display:flex;align-items:center;gap:4px}.bottom-controls button{padding:6px 9px;background:transparent;font-size:11px}kbd{display:inline-grid;place-items:center;min-width:24px;height:26px;border:1px solid #cbd8cc;box-shadow:0 2px 0 #cbd8cc;border-radius:5px;background:#fffef8;font-family:inherit;font-size:11px;color:var(--ink)}#interact{position:absolute;bottom:150px;left:50%;transform:translateX(-50%);background:var(--ink);color:white;display:flex;gap:12px;align-items:center;border-radius:40px;padding:12px 22px;box-shadow:0 8px 30px #143c4733;white-space:nowrap;font-size:14px}#toast{position:absolute;top:92px;left:50%;transform:translateX(-50%);border-radius:12px;background:var(--ink);color:white;padding:14px 22px;max-width:80%;font-size:13px;opacity:0;transition:opacity .3s;pointer-events:none;z-index:15}#toast.show{opacity:1}.overlay{position:fixed;inset:0;background:#143c4750;backdrop-filter:blur(5px);display:flex;align-items:center;justify-content:center;padding:28px;z-index:20}.panel{background:var(--paper);width:min(1000px,96vw);max-height:92vh;overflow:auto;border-radius:24px;box-shadow:0 25px 80px #173f4540;padding:30px}.panel-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-start;border-bottom:1px solid var(--line);padding-bottom:18px}.panel-head h2{margin:7px 0 0;font-size:26px}.panel-head .close{font-size:20px;padding:5px 13px}.tag{font-size:10px;letter-spacing:1px;background:#e4ecd9;padding:5px 8px;border-radius:5px}.tag.extension{background:#ede5fa;color:#6b529b}.steps{display:flex;gap:8px;margin:18px 0;font-size:11px}.step{background:#e8eee6;padding:7px 12px;border-radius:20px;color:#81918a}.step.active{background:var(--teal);color:white}.mission-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:24px}.mission-grid h3{font-size:23px;line-height:1.5;margin:8px 0 12px}.muted{color:var(--muted);font-size:13px;line-height:1.7}.scene-demo{background:#e7efdf;border:1px solid #d5e2cd;border-radius:16px;min-height:150px;padding:20px;margin:16px 0;display:flex;align-items:center;justify-content:center;gap:15px;flex-wrap:wrap}.demo-icon{display:flex;align-items:center;justify-content:center;width:64px;height:70px;border-radius:12px;background:#becdb8;font-size:30px;transition:all .5s}.demo-icon.on{background:var(--gold);box-shadow:0 0 25px #f8c57380;transform:translateY(-4px)}.demo-meter{font-size:42px;font-weight:800;color:var(--teal)}.choice-list{display:grid;gap:10px}.choice{background:white;border:1px solid var(--line);text-align:left;padding:15px;font-weight:500}.choice.correct{background:#dcebc9;border-color:#90ae64}.choice.wrong{background:#f7e2d9;border-color:#d9ab97}.feedback{border-radius:10px;background:#eef0e3;padding:12px 15px;font-size:13px;line-height:1.6;margin-top:14px;min-height:44px}.feedback.good{background:#e0edce;color:#375826}.feedback.bad{background:#f7e5dc;color:#864432}.workbench{border-radius:14px;background:#173a40;padding:18px;color:#e3f1df}.code-top{display:flex;justify-content:space-between;align-items:center;font-size:10px;letter-spacing:1px;color:#a6c7bd;margin-bottom:12px}.code-top button{font-size:10px;padding:5px 8px;background:#2c5559;color:#dbecde}pre,textarea.code{font-family:Consolas,"Cascadia Code",monospace;font-size:13px;line-height:1.8;tab-size:2}pre{white-space:pre-wrap;overflow-wrap:anywhere;margin:0}.code .hl{display:block;background:#d9ec9b22;color:#eeefaa}.code-fields{display:flex;gap:9px;flex-wrap:wrap;margin:16px 0}.field{display:flex;flex-direction:column;gap:6px;font-size:11px;color:var(--muted)}select,input{border:1px solid #bccbbd;background:white;padding:9px;border-radius:8px;max-width:100%;color:var(--ink)}.field select{font-family:Consolas,monospace;font-size:14px}textarea.code{resize:vertical;width:100%;min-height:250px;border:1px solid #436970;background:#173a40;color:#e9f2dd;padding:10px;border-radius:8px}textarea:focus{outline:2px solid #dfed9b}.actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:17px}.coach{margin-top:18px;background:#f0efdf;border:1px solid #e2e2cf;border-radius:14px;padding:16px}.coach-title{display:flex;gap:10px;align-items:center;font-weight:700;font-size:13px}.byte{background:#dfed9b;border:2px solid #3b756a;border-radius:7px;padding:4px 7px;font-size:13px}.coach small{display:block;color:#7d897c;font-size:10px;margin-top:3px}.coach p{font-size:13px;line-height:1.7;margin:12px 0 0}.coach .actions button{font-size:11px;padding:8px 10px}.test-list{list-style:none;padding:0;margin:14px 0 0;display:grid;gap:8px;font-size:12px}.test-list li{padding:9px 12px;background:#edf0e5;border-radius:8px}.test-list li.pass{color:#3e662b;background:#e6efdb}.test-list li.fail{color:#934b36;background:#f7e6dc}.result-banner{text-align:center;padding:25px}.result-banner .big-icon{font-size:65px}.result-banner h3{font-size:29px;margin:16px 0}.passport-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:20px 0}.passport-item{padding:16px;border:1px solid var(--line);border-radius:12px;background:white}.passport-item h3{margin:0 0 8px;font-size:16px}.passport-item p{font-size:12px;color:var(--muted);margin:6px 0}.settings-row{display:flex;gap:12px;flex-wrap:wrap;margin:15px 0}.welcome{position:fixed;inset:0;background:linear-gradient(90deg,#eff3dcfa 0%,#eff3dcf0 25%,#eff3dc5c 55%,transparent 75%);z-index:10;display:flex;align-items:center;padding:6vw;pointer-events:none}.welcome-card{max-width:540px;pointer-events:auto}.welcome h1{font-size:clamp(38px,4.8vw,70px);font-weight:800;letter-spacing:-2px;line-height:1.23;margin:22px 0}.welcome h1 span{color:var(--teal)}.welcome p{font-size:17px;line-height:1.9;color:#506b64;margin:22px 0}.welcome-pills{display:flex;gap:8px;margin:25px 0}.welcome-pills span{font-size:11px;border:1px solid #c9d5be;padding:8px 11px;border-radius:25px}.welcome .primary{font-size:16px;min-width:210px}.welcome small{display:block;margin-top:20px;font-size:11px;line-height:1.9;color:#71816d}.welcome-caption{position:absolute;right:35px;bottom:35px;display:flex;flex-direction:column;text-align:right;font-size:12px;gap:12px}.welcome-caption span{font-size:9px;letter-spacing:2px}.transfer{padding:16px;background:#f0efdf;border-radius:12px;margin-top:15px}.transfer p{font-size:14px}.legend-note{font-size:11px;color:var(--muted)}.reset-box{border:1px solid #e0b7a5;padding:16px;border-radius:12px;margin-top:14px}.screenshot-note{font-size:11px;color:#6d817b}.mobile-note{display:none}@media(max-width:900px){.objective{width:220px;padding:16px}.map-card{width:190px}.mission-grid{grid-template-columns:1fr}.panel{padding:20px}.welcome h1{font-size:48px}.bottom-controls{gap:10px}.save-state{display:none}}@media(max-width:600px){.topbar{left:12px;right:12px;top:12px}.brand{font-size:10px}.brand small{font-size:7px}.top-actions button{font-size:11px;padding:8px}.objective{left:12px;top:76px;width:190px}.objective h2{font-size:16px}.map-card{right:12px;bottom:85px;width:145px}#minimap{height:120px}.map-key{font-size:7px}.bottom-controls{left:12px;right:12px;bottom:12px;font-size:9px;flex-wrap:wrap;gap:7px}.bottom-controls span:nth-child(3){display:none}#location{left:12px;bottom:90px;max-width:180px;flex-wrap:wrap}.welcome{padding:24px;background:#edf3dcdf}.welcome h1{font-size:42px}.welcome-caption{display:none}.welcome-pills{flex-wrap:wrap}.passport-grid{grid-template-columns:1fr}.panel-head h2{font-size:22px}.overlay{padding:10px}#interact{bottom:210px;font-size:12px}}

/* Blockly workspaces */
.blocks-grid{grid-template-columns:280px minmax(0,1fr);gap:20px}.panel:has(#blocklyEditor){width:min(1220px,97vw)}.blocks-grid h3{font-size:21px}.blocks-grid .scene-demo{min-height:95px;padding:12px}.blocks-grid .coach{padding:12px}.blocks-grid .test-list{font-size:11px}.block-column{min-width:0}.block-toolbar{display:flex;justify-content:space-between;gap:12px;align-items:center;background:#e5eddd;padding:12px 16px;border-radius:12px 12px 0 0;font-size:12px}.block-toolbar span{font-size:11px;color:#637962}#blocklyEditor{height:430px;width:100%;border:1px solid #c6d7bf;border-radius:0 0 12px 12px;overflow:hidden}#predictBlocks{height:260px;width:100%;margin-top:12px}.block-preview-card{background:#eef2e6;border-radius:14px;padding:15px}.blocklyWidgetDiv,.blocklyDropDownDiv,.blocklyTooltip{z-index:100!important}.blocklyFlyoutBackground{fill:#eaf0e2!important}.blocklyMainBackground{stroke:#d3dfcb!important}.blocklyText{font-family:'Segoe UI',sans-serif!important}.panel-head{position:sticky;top:-30px;background:var(--paper);z-index:2;padding-top:5px}.map-card{width:250px}.brand{background:#fffdf5dc;padding:7px 11px;border-radius:12px}.welcome h1{font-size:clamp(38px,4.8vw,68px);letter-spacing:-2px}.welcome-pills{flex-wrap:wrap}button{font-size:13px}.panel .muted{font-size:14px}.choice{font-size:15px}@media(max-width:900px){.blocks-grid{grid-template-columns:1fr}.panel-head{top:-20px}#blocklyEditor{height:400px}.blocks-grid .scene-demo{display:none}}@media(max-width:600px){.map-card{width:165px}.block-toolbar span{display:none}}
#blocklyEditor{height:350px}.block-actions{margin:0;padding:10px 12px;background:#edf1e5}.block-toolbar{border-radius:12px 12px 0 0}.blocks-grid .coach p{font-size:12px;line-height:1.5}.blocks-grid .coach .actions{margin-top:10px}.blocklyText{font-size:15px!important}