/* Selector Supper shell. MPL-2.0; source and attribution in SOURCE.txt. */
:root{color-scheme:dark;--bg:#141b1b;--panel:#1c2726;--line:#34413b;--text:#f0f0df;--muted:#b3bfb0;--green:#d4ee91;--coral:#eda88b}*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:system-ui,-apple-system,sans-serif}body{background:radial-gradient(ellipse at 10% 0,#263b31,transparent 60%),var(--bg);color:var(--text)}button,input,a,summary{-webkit-tap-highlight-color:transparent}button,input{font:inherit}button{cursor:pointer;border:1px solid transparent;background:var(--green);color:#1b2b1a;border-radius:8px;padding:11px 17px;font-size:14px;font-weight:700;min-height:42px}button:hover{filter:brightness(1.08)}button:disabled{opacity:.35;cursor:default}button:focus-visible,input:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--coral);outline-offset:3px}a{color:var(--green)}.masthead{max-width:1350px;margin:auto;padding:30px 40px 26px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:20px}.brand{font-family:Georgia,serif;font-size:25px;color:var(--text);text-decoration:none;display:flex;align-items:center;gap:13px}.brand-mark{font-size:44px;color:var(--green)}.brand small{display:block;font:11px system-ui;letter-spacing:2px;text-transform:uppercase;margin-top:5px;color:var(--muted)}.record{text-align:right;font-size:12px;color:var(--muted)}progress{display:block;margin-top:9px;width:145px;height:5px;border:0;border-radius:4px;overflow:hidden;background:var(--line)}progress::-webkit-progress-bar{background:var(--line)}progress::-webkit-progress-value{background:var(--green)}main{display:grid;grid-template-columns:minmax(0,1fr) 315px;gap:40px;max-width:1350px;margin:auto;padding:35px 40px 30px}.play{min-width:0}.eyebrow{display:flex;justify-content:space-between;gap:12px;font-size:10px;letter-spacing:2px;color:var(--green);font-weight:700}.eyebrow span:last-child{color:var(--muted)}h1{font:clamp(29px,3.5vw,46px)/1.15 Georgia,serif;margin:24px 0 13px;letter-spacing:-.8px}.instruction{font-size:14px;color:var(--muted);line-height:1.6;margin:0}.instruction strong{color:var(--text);font-weight:500}.scene{height:235px;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;background:radial-gradient(ellipse at center,#3b4634 0,transparent 69%);margin-top:12px;border-bottom:1px solid var(--line)}#stage{position:relative;flex-shrink:0;transform-origin:center center}.table-wrapper{margin:0;width:max-content;min-height:142px;transform:rotateX(20deg);z-index:1}.table{display:block;margin:0}.table-edge{width:100%;margin:0}.table-surface{border-radius:7px 7px 0 0;background:linear-gradient(135deg,#d4a25b,#ac783e)}.table-edge{background:#795332}.table-leg{background:#5a402e}.table .strobe{outline:3px solid var(--green);outline-offset:4px;filter:drop-shadow(0 0 7px #d4ee9155)}.inspect{font:11px ui-monospace,monospace;color:var(--muted);min-height:18px;text-align:center;margin:12px 0 22px}.workspace{display:grid;grid-template-columns:1fr 1fr;gap:14px}.code-card{min-width:0;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#101a19}.card-head{display:flex;align-items:center;gap:8px;background:#25302a;padding:13px 14px;font-size:11px;color:var(--muted)}.dot{width:6px;height:6px;background:var(--green);border-radius:50%}.dot.coral{background:var(--coral)}.file{margin-left:auto;font:10px ui-monospace,monospace;color:#92a291}.input-row{display:flex;align-items:center;gap:8px;padding:17px 12px 6px;color:var(--green)}#selector{min-width:0;width:100%;background:transparent;border:0;border-bottom:1px dashed #7c905b;color:var(--green);padding:10px 0;font:15px ui-monospace,monospace;border-radius:0}#selector::placeholder{color:#7f927d}#serve{padding:7px 10px;white-space:nowrap;font-size:12px}.rule{padding:0 15px;color:#728779;font:10px/1.9 ui-monospace,monospace;white-space:pre-wrap}#feedback{min-height:42px;border-top:1px solid var(--line);padding:12px 14px;margin:10px 0 0;font-size:12px;color:var(--muted);line-height:1.6}#feedback.success{color:var(--green)}#feedback.error{color:var(--coral)}#markup{white-space:pre;overflow:auto;margin:0;padding:17px 16px;font:12px/1.8 ui-monospace,monospace;color:#c5d5be;min-height:185px;max-height:300px}#markup span{display:block;border-radius:3px}#markup span.active{background:#364631;color:var(--green)}.actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:20px}.secondary{background:transparent;color:var(--muted);border:1px solid var(--line)}.motion{margin-left:auto;font-size:12px;color:var(--muted);display:flex;align-items:center;gap:5px;cursor:pointer}.motion input{accent-color:var(--green);width:16px;height:16px}aside{min-width:0}.lesson{border:1px solid var(--line);background:#25342b88;border-radius:12px;padding:23px}.lesson h2{font:26px Georgia,serif;margin:19px 0 16px}.syntax{background:#101a19;border:1px solid var(--line);color:var(--green);padding:14px;border-radius:6px;font:19px ui-monospace,monospace;overflow-wrap:anywhere}.lesson h3{font-size:13px;margin:22px 0 9px;color:var(--text)}#help,.example{font-size:13px;line-height:1.8;color:var(--muted)}.example{margin:0 0 14px}tag{font:11px ui-monospace,monospace;background:#101a19;color:var(--coral);padding:2px 3px;white-space:nowrap}tag:before{content:'<' }tag:after{content:'>'}.lesson strong{color:var(--text);font-weight:600}details{border:1px solid var(--line);border-radius:10px;padding:16px;margin-top:16px;font-size:12px;line-height:1.7;color:var(--muted)}summary{cursor:pointer;color:var(--text);font-size:13px}summary span{float:right;color:var(--green);font-size:11px}.levels{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-top:15px}.levels button{padding:7px;min-height:40px;background:#26352c;color:var(--muted);border:1px solid var(--line);font-size:11px}.levels button.solved{color:var(--green)}.levels button.current{border-color:var(--green);background:#3b5034}#victory{border:1px solid var(--green);border-radius:12px;margin-top:22px;padding:20px;background:#2d402b}#victory h2{font:28px Georgia,serif;margin:0 0 12px}#victory p{color:var(--muted);line-height:1.7;font-size:14px}footer{border-top:1px solid var(--line);max-width:1270px;margin:10px auto 0;padding:23px 0 30px;font-size:11px;color:var(--muted);line-height:2}footer a{color:var(--muted);text-underline-offset:3px}.sr-only{position:absolute;width:1px;height:1px;clip-path:inset(50%);overflow:hidden}.calm .strobe{animation:none;transform:none}@media(prefers-reduced-motion:reduce){.strobe{animation:none;transform:none}}@media(max-width:1100px){main{grid-template-columns:minmax(0,1fr) 280px;gap:24px;padding:28px 25px}.masthead{padding:22px 25px}.workspace{grid-template-columns:1fr}.rule{display:none}#markup{max-height:230px;min-height:100px}.scene{height:215px}footer{margin:0 25px}.file{font-size:9px}}@media(max-width:730px){main{grid-template-columns:1fr;padding:23px 20px;gap:28px}.masthead{padding:18px 20px;gap:10px}.brand{font-size:21px;gap:8px}.brand-mark{font-size:34px}.brand small{font-size:8px;letter-spacing:1px}.record{font-size:10px}progress{width:85px}h1{margin-top:20px;font-size:32px}.eyebrow{font-size:9px;letter-spacing:1px}.instruction{font-size:12px}.scene{height:205px;margin-top:0}.inspect{font-size:10px;margin-bottom:16px}.actions button{padding:10px 12px;font-size:12px}.motion{font-size:11px;margin-left:0}.lesson{padding:20px}.lesson h2{font-size:24px}footer{margin:0 20px;padding:18px 0 25px}.workspace{gap:12px}#markup{font-size:11px}#selector{font-size:16px}#stage .table{white-space:nowrap}.actions{gap:8px}}[hidden]{display:none!important}