:root{color-scheme:dark;--bg:#0b1220;--panel:#141f32;--text:#edf2fc;--muted:#acbad0;--mint:#7ce4c5;--line:#2c3a50}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 system-ui,sans-serif}header{min-height:85px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:18px 5vw;gap:16px}.brand{font-weight:900;letter-spacing:.08em;font-size:20px;color:var(--text);text-decoration:none}.brand span{color:var(--mint);margin-left:8px}.topright{display:flex;align-items:center;gap:22px}#xp{color:var(--mint);font-family:monospace;font-size:16px}main{max-width:1300px;margin:auto;display:grid;grid-template-columns:285px 1fr;gap:48px;padding:38px 35px}aside{padding-top:10px}.eyebrow{font-size:12px;letter-spacing:.12em;font-weight:800;color:var(--mint)}h1{font-size:28px;line-height:1.2;margin:15px 0 8px}h2{font-size:36px;line-height:1.2;margin:12px 0 15px;letter-spacing:-.025em}.muted,.storage{color:var(--muted)}.progress{height:5px;background:var(--line);border-radius:4px;margin:23px 0}#bar{height:100%;background:var(--mint);transition:width .4s}nav{display:grid;gap:6px}.mapitem{display:flex;text-align:left;align-items:center;gap:12px;background:transparent;color:var(--muted);border:1px solid transparent;padding:11px 12px;border-radius:9px;line-height:1.35;font-size:14px}.mapitem.current{background:var(--panel);border-color:var(--mint);color:var(--text)}.mapitem.done .number{color:var(--mint)}.number{width:23px;flex-shrink:0;font-family:monospace}.mapitem:disabled{opacity:.5;cursor:default}.storage{font-size:13px;margin-top:23px}.workspace{min-width:0;max-width:860px}.missiontop{display:flex;justify-content:space-between;gap:10px}.story{font-size:18px;color:var(--muted);margin-bottom:24px}.lesson{border:1px solid var(--line);border-left:3px solid var(--mint);padding:20px 24px;background:var(--panel);border-radius:10px}.lesson p{margin:8px 0 12px}.lesson pre{color:#ffdf88;font-size:16px;white-space:pre-wrap;margin:0;font-family:ui-monospace,monospace}.goal{padding:22px 0 8px}.goal p{margin:6px 0 14px}.editor{border:1px solid var(--line);border-radius:12px;overflow:hidden}.editorhead,.editorfoot{display:flex;justify-content:space-between;align-items:center;padding:11px 18px;background:var(--panel);color:var(--muted);font-size:14px;gap:12px}.editorhead label{color:var(--text)}textarea{display:block;width:100%;min-height:185px;resize:vertical;border:0;padding:22px;background:#0d1727;color:var(--mint);font:17px/1.65 ui-monospace,SFMono-Regular,Consolas,monospace;tab-size:4;outline-offset:-3px}.editorfoot{font-size:12px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}button{font:inherit;cursor:pointer;transition:background .2s;min-height:42px}button:focus-visible,a:focus-visible{outline:3px solid #ffdf88;outline-offset:3px}.primary,.secondary{padding:11px 22px;border-radius:8px;font-weight:700;font-size:15px}.primary{border:1px solid var(--mint);background:var(--mint);color:#092e29}.primary:hover{background:#a1f3dc}.primary:disabled{opacity:.6;cursor:wait}.secondary{background:var(--panel);color:var(--text);border:1px solid var(--line)}.quiet{background:none;border:0;color:var(--muted);font-size:14px;padding:3px}.terminal{margin-top:22px;padding:16px 20px;background:#070d17;border:1px solid var(--line);border-radius:9px}.terminal pre{font:15px/1.6 ui-monospace,monospace;white-space:pre-wrap;overflow-wrap:anywhere;margin:8px 0 0;max-height:280px;overflow:auto}.hint{background:#283247;padding:14px 18px;border-radius:8px;color:#ffdf88}#feedback{margin:15px 0;font-size:16px}.success{color:var(--mint)}.error{color:#ffb3ad}footer{text-align:center;color:var(--muted);padding:24px;font-size:14px}[hidden]{display:none!important}@media(max-width:900px){main{grid-template-columns:220px 1fr;gap:24px;padding:25px 20px}h2{font-size:29px}}@media(max-width:680px){header{padding:15px 20px;align-items:flex-start}.topright{flex-direction:column;gap:5px;align-items:flex-end}.brand{font-size:16px}main{display:block;padding:23px 18px}aside{margin-bottom:27px}nav{display:flex;overflow-x:auto;padding:4px 2px}.mapitem{min-width:145px}.storage{display:none}h1{font-size:24px}.progress{margin:15px 0}.lesson{padding:17px}.editorfoot{flex-wrap:wrap}h2{font-size:29px}}

.inputarea{margin-top:18px;padding:16px;background:var(--panel);border:1px solid var(--line);border-radius:10px}.inputarea label{font-weight:700;font-size:15px}.inputarea p{font-size:14px;margin:5px 0 12px}.inputarea textarea{min-height:90px;border:1px solid var(--line);border-radius:7px;padding:12px}#feedback{white-space:pre-wrap}@media(min-width:681px){#map{max-height:640px;overflow-y:auto;padding-right:5px}}

.profiletools{display:flex;align-items:center;gap:15px;flex-wrap:wrap}.studentname{color:var(--mint);max-width:200px;overflow-wrap:anywhere;font-weight:700}.storagewarning{background:#553321;color:#ffe0a6;padding:15px 24px;margin:0}dialog{color:var(--text);background:var(--bg);border:1px solid var(--line);border-radius:18px;width:min(760px,94vw);max-height:90vh;padding:30px;overflow:auto}dialog::backdrop{background:rgba(3,9,18,.88)}.profileheading h2{margin:12px 0;font-size:32px}.profileheading p{color:var(--muted);margin:0 0 20px}.profilelist{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-bottom:24px;max-height:300px;overflow:auto}.profilecard{padding:16px;text-align:left;background:var(--panel);color:var(--text);border:1px solid var(--line);border-radius:10px;overflow-wrap:anywhere}.profilecard:hover{border-color:var(--mint)}.profilecard strong,.profilecard span{display:block}.profilecard strong{font-size:18px}.profilecard span{font-size:14px;color:var(--muted);margin-top:5px}.profileformrow{display:flex;gap:12px;margin-top:8px}.profileformrow input{min-width:0;flex:1;padding:12px;background:var(--panel);color:var(--text);font:inherit;border:1px solid var(--line);border-radius:8px}.profileformrow input:focus{outline:2px solid var(--mint)}.profilemessage{color:#ffdf88;font-size:14px;min-height:22px}.importrow{border-top:1px solid var(--line);padding-top:20px;display:flex;align-items:center;gap:15px;flex-wrap:wrap}.importrow span{font-size:14px}.profilenote{color:var(--muted);font-size:14px;margin-bottom:0}@media(max-width:900px){.topright{flex-wrap:wrap;justify-content:flex-end}.profiletools{justify-content:flex-end}}@media(max-width:680px){dialog{padding:22px}.profilelist{grid-template-columns:1fr;max-height:250px}.profileformrow{flex-direction:column}.profiletools{gap:8px}.profiletools .secondary{padding:8px 12px;font-size:14px}.studentname{font-size:14px;max-width:120px}header{flex-wrap:wrap}.topright{align-items:flex-start;flex-direction:row;justify-content:flex-start}}