:root{color-scheme:light;--ink:#263d3b;--muted:#66706a;--paper:#fffdf7;--line:#deded0;--orange:#a84028;--green:#286652;--gold:#e8b750;font-family:Inter,"Segoe UI",sans-serif;background:#f5f0e6;color:var(--ink);font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,a,select{-webkit-tap-highlight-color:transparent}button,select{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}a{color:inherit;text-decoration:none}button{border:1px solid var(--line);background:var(--paper);color:var(--ink);border-radius:10px;min-height:44px;padding:10px 14px;font-weight:650}button:hover:not(:disabled){background:#e9efdf;color:#1f473c;border-color:#a7b8a7}button:disabled{opacity:.46;cursor:default}a:hover{color:#92371f}button:focus-visible,a:focus-visible,summary:focus-visible,select:focus-visible{outline:3px solid #136bab;outline-offset:4px}button.primary{background:var(--green);border-color:var(--green);color:white}button.primary:hover:not(:disabled){background:#174e3b;color:white}[hidden]{display:none!important}.skip{position:fixed;left:12px;top:-80px;z-index:20;background:white;padding:12px}.skip:focus{top:12px}.topbar{max-width:1240px;margin:auto;min-height:84px;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px 32px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;font-size:24px;font-weight:800}.brand>span{font-size:18px}.topbar nav{display:flex;align-items:center;flex-wrap:wrap;gap:22px;font-size:14px;font-weight:600}.wallet{background:#f6e7bd;border:1px solid #dec784;border-radius:30px;padding:10px 16px;white-space:nowrap}.wallet>span:first-child{color:#8e6410}.topbar select{background:transparent;border:1px solid #c6cbbb;border-radius:8px;padding:9px;color:var(--ink)}.shell{max-width:1200px;margin:auto;padding:30px 32px}.intro{display:flex;align-items:center;justify-content:space-between;gap:30px;margin:0 0 24px}.eyebrow{font-size:10px;letter-spacing:.13em;font-weight:800;color:var(--orange);margin:0 0 10px}.intro h1{font:800 clamp(36px,4.4vw,56px)/1.05 Georgia,serif;margin:0 0 12px;letter-spacing:-.04em}.intro>div>p:last-child{max-width:580px;font-size:15px;line-height:1.6;margin:0;color:#52625b}.progress-card{min-width:190px;border-left:1px solid #cfceb9;padding-left:26px;display:flex;flex-direction:column;gap:6px;font-size:12px;color:#52625b}.progress-card strong{font-size:28px;color:var(--green);font-variant-numeric:tabular-nums}.progress-card progress{width:100%;height:6px;accent-color:var(--green);border:none;margin-top:7px}.route-picker{background:#e9eddf;border:1px solid #d5decf;border-radius:12px;margin-bottom:22px}.route-picker summary{cursor:pointer;min-height:50px;display:flex;align-items:center;gap:18px;padding:12px 18px;font-weight:700;font-size:14px}.route-picker summary>span:last-child{margin-left:auto}.route-picker #chapterSummary{font-weight:500;color:#536555;font-size:12px}.route-picker .muted{padding:0 18px 14px;margin:0}#chapters{padding:0 18px 12px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.chapter h3{font-size:12px;font-weight:700;margin:8px 0 12px}.level-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:6px}.level-grid button{padding:5px 0;min-width:0;position:relative}.level-grid button.is-complete{background:#d6e5d7;color:#214e3d}.level-grid button.is-complete:after{content:'✓';position:absolute;top:2px;right:3px;font-size:9px}.level-grid button[aria-current=true]{background:var(--green);color:white;border-color:var(--green);box-shadow:0 0 0 2px #e9eddf,0 0 0 3px var(--green)}.workspace{display:grid;grid-template-columns:minmax(0,1.18fr) minmax(0,1fr);gap:24px;align-items:start}.map-card{background:var(--paper);border:1px solid #dddac8;border-radius:20px;overflow:hidden;box-shadow:0 10px 25px #696a3c08}.map-heading{padding:24px 26px 12px;display:flex;justify-content:space-between;align-items:center;gap:14px}.map-heading h2{font:700 23px/1.2 Georgia,serif;margin:0;letter-spacing:-.025em}.map-heading .eyebrow{color:#73806d}.reward{border:1px solid #dfc36d;background:#fff3c4;color:#755014;padding:7px 11px;border-radius:8px;font-size:12px;white-space:nowrap;font-weight:750}.reward.done{background:#e6eedf;border-color:#c8d6bc;color:#396344}.board-wrap{padding:20px 30px 24px;position:relative;background:radial-gradient(ellipse at center,#f6f3e7,transparent 70%)}.map-stamp{display:flex;justify-content:space-between;font-size:8px;letter-spacing:.2em;color:#858d73;padding-bottom:10px;font-weight:700}.map-stamp span{font-size:15px;line-height:10px}.board{display:grid;grid-template-columns:repeat(var(--size),1fr);gap:5px;aspect-ratio:1;background:#dadfc7;border:7px solid #dadfc7;border-radius:16px;box-shadow:0 6px 0 #b8c4a3;position:relative}.cell{min-width:0;min-height:0;position:relative;display:flex;align-items:center;justify-content:center;border-radius:8px;background:#f9f2dc;box-shadow:inset 0 -4px #e9dfc4;color:#988d6c;font-size:9px}.cell.path:after{content:'';position:absolute;width:5px;height:5px;background:#d9d0b6;border-radius:50%;z-index:0}.cell.park{background:#c1d0a7;box-shadow:inset 0 -3px #acbf92}.cell.park:before{content:'';width:40%;height:50%;border-radius:50% 50% 40% 40%;background:#8eae78;box-shadow:8px 1px 0 #9db983;transform:rotate(-14deg)}.cell.park:nth-child(3n):before{width:25%;height:30%;background:#a1b989;box-shadow:7px 1px 0 #8eae78}.cell.park:nth-child(4n):before{border-radius:2px;background:#e4c9a3;box-shadow:inset 0 6px #b76f49;transform:none;width:50%;height:44%}.cell.start>small{position:absolute;left:7px;top:4px;font:700 9px/1 sans-serif;color:#756b55}.letter{z-index:1;background:#f7c755;border:2px solid #c6972f;color:#846021;border-radius:5px;line-height:1;font-size:clamp(18px,2.6vw,34px);padding:0 3px;box-shadow:0 3px 0 #b9995b55}.letter.collected{opacity:.12}.mailbox{width:55%;height:55%;background:#468395;border:3px solid #346877;border-radius:40% 40% 15% 15%;position:relative;z-index:1;box-shadow:0 4px 0 #2a566355}.mailbox:before{content:'';position:absolute;left:15%;right:15%;height:4px;top:33%;background:#183f4d;border-radius:8px}.mailbox:after{content:'✉';position:absolute;left:0;right:0;bottom:4%;text-align:center;font-size:clamp(10px,2vw,22px);color:#d9eef1}.robot{width:68%;height:68%;z-index:3;position:absolute;transition:transform .2s;filter:drop-shadow(0 4px 0 #71462740)}.robot svg{display:block;width:100%;height:100%;overflow:visible}.legend{padding:8px 24px 0;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;font-size:11px;color:#64705d}.legend>span{display:flex;gap:7px;align-items:center}.legend i{font-style:normal;width:22px;height:22px;display:grid;place-items:center;border-radius:5px;font-size:16px}.legend-letter{background:#f8cc59;color:#7f621d}.legend-goal{background:#438295;color:white}.position{font-size:11px;color:#717767;margin:14px 24px 22px;line-height:1.5}.code-card{background:var(--paper);border:1px solid #dddac8;border-radius:20px;padding:24px}.code-heading{display:flex;justify-content:space-between;align-items:center;gap:10px}.code-heading h2{font-size:19px;margin:0}.code-heading>span{color:#74806f;font-size:12px;white-space:nowrap}.muted{font-size:12px;color:#687462;line-height:1.65;margin:10px 0 18px}.command-tools{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.command-tools:has([data-command=F2]:not([hidden])){grid-template-columns:repeat(4,minmax(0,1fr))}.command-tools button{display:flex;flex-direction:column;align-items:center;gap:7px;font-size:11px;padding:12px 3px;background:#f0f3e9;border-color:#cfd8c3}.command-tools b{font-size:26px;line-height:1.1;color:#356650}.command-tools [data-command=F2]{background:#f7e9c6;border-color:#e2ca82}.queue-help{font-size:11px;color:#777d6f;line-height:1.6;margin:16px 0 10px}.queue{background:#f3f2e9;border:1px dashed #c9cbbb;border-radius:10px;min-height:94px;padding:12px;display:flex;align-content:flex-start;align-items:flex-start;flex-wrap:wrap;gap:7px}.queue .empty{font-size:12px;line-height:1.6;color:#747d6e;align-self:center;text-align:center;flex:1;margin:auto}.queue button{width:44px;min-height:44px;padding:0;background:white;position:relative;font-size:21px;border-color:#d0d4c5;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 0 #dbdece}.queue button small{position:absolute;left:3px;top:2px;font-size:8px;color:#808574}.queue button.active{background:var(--green);color:white;border-color:var(--green);opacity:1}.queue button.active small{color:#d7edca}.edit-tools{display:flex;justify-content:space-between;gap:8px;margin:5px 0 12px}.edit-tools button{background:transparent;border:0;padding:7px 0;font-size:11px}.run-tools{display:flex;flex-wrap:wrap;gap:7px}.run-tools button{font-size:12px;padding:11px 10px}.run-tools .primary{flex:1}.feedback{background:#eef2e5;border-left:3px solid #a2b692;border-radius:0 8px 8px 0;margin-top:18px;padding:14px}.feedback strong{font-size:13px}.feedback p{font-size:12px;line-height:1.65;color:#53634c;margin:6px 0 0}.feedback button,.feedback a{margin:12px 0 0;font-size:12px}.feedback.success{background:#e3efdf;border-color:#327253}.feedback.error{background:#fbefdc;border-color:#c88337}.feedback.error p{color:#815326}.help{margin-top:18px;border-top:1px solid #e3e3d6;padding-top:16px}.help summary{font-size:12px;font-weight:650;cursor:pointer;line-height:1.7}.help ol{padding-left:18px;font-size:12px;line-height:1.7;color:#687361}.help li+li{margin-top:8px}footer{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 20px;margin:24px 0 0;font-size:11px;line-height:1.6;color:#717a67}footer>span:first-child{flex-basis:100%}footer a{font-weight:700}.storage-warning{background:#fff0d8;color:#7a411c;padding:12px;border-radius:8px;font-size:13px}@media(max-width:900px){.topbar{padding:14px 22px}.shell{padding:24px 22px}.workspace{gap:16px}.map-heading{padding:20px 18px 10px}.map-heading h2{font-size:20px}.board-wrap{padding:18px}.code-card{padding:18px}.topbar nav{gap:14px}.level-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:720px){.workspace{grid-template-columns:1fr}.map-card{max-width:520px;width:100%;margin:auto}.board-wrap{padding:14px 24px 18px}.intro{gap:16px}.intro h1{font-size:38px}.intro .eyebrow{font-size:9px;letter-spacing:.05em}.intro>div>p:last-child{font-size:13px}.progress-card{min-width:118px;padding-left:14px;font-size:10px}.progress-card strong{font-size:24px}.topbar nav>a:first-child{font-size:12px}.topbar .brand>span{display:none}.shell{padding:22px 16px}.code-card{padding:20px}.letter{font-size:28px}.mailbox:after{font-size:20px}.route-picker summary{gap:10px}.route-picker #chapterSummary{font-size:10px}#chapters{grid-template-columns:1fr;gap:6px}.level-grid{grid-template-columns:repeat(6,minmax(0,1fr))}.chapter h3{margin-top:10px}.legend{padding-top:5px}.command-tools button{font-size:12px}.run-tools button{font-size:13px}}@media(max-width:390px){.topbar{padding:12px 14px;gap:8px}.topbar nav{gap:8px}.wallet{padding:8px}.wallet>span:last-child{display:none}.intro{align-items:flex-start}.intro h1{font-size:34px}.progress-card{min-width:85px;padding-left:10px}.progress-card strong{font-size:22px}.map-heading{padding:18px 16px 10px}.map-heading h2{font-size:19px}.reward{font-size:10px;padding:6px}.board-wrap{padding:12px 16px 18px}.code-card{padding:16px}.legend{padding:4px 16px 0;font-size:10px}.position{margin-left:16px}.queue{gap:6px;padding:9px}.run-tools button{font-size:12px;padding:10px 8px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
/* Mobile playback keeps controls next to the route while the editor is below it. */
.watch-controls{display:none}
@media(max-width:720px){.watch-controls:not([hidden]){position:fixed;bottom:max(10px,env(safe-area-inset-bottom));left:12px;right:12px;z-index:10;display:flex;gap:8px;padding:10px;background:#fffdf7f5;border:1px solid #ccd5c0;box-shadow:0 4px 24px #283e352b;border-radius:14px}.watch-controls button{font-size:12px}.watch-controls .primary{flex:1}body.watching{padding-bottom:90px}.map-card,.feedback,#codeTitle{scroll-margin-top:12px}}