:root{--lab-bg:#101a29;--lab-panel:#192639;--lab-ink:#f5f4e9;--lab-muted:#b7c1ce;--lab-accent:#c2ef65}body{margin:0;background:var(--lab-bg);color:var(--lab-ink);font-family:system-ui,sans-serif}.lab-header,.lab-main,.lab-footer{max-width:1180px;margin:auto;padding:24px}.lab-header{display:flex;justify-content:space-between;align-items:center}.lab-brand{display:flex;gap:12px;align-items:center;font-weight:750;text-decoration:none}.lab-header nav{display:flex;gap:24px}a{color:var(--lab-accent)}.lab-header a{color:var(--lab-ink)}.lab-main h1{font-size:clamp(36px,6vw,68px);line-height:1.06;letter-spacing:-.045em;margin:15px 0}.lab-eyebrow{font-size:12px;letter-spacing:.15em;color:var(--lab-accent);font-weight:700}.lab-intro{font-size:19px;max-width:760px;line-height:1.65;color:var(--lab-muted)}.lab-safety{font-size:13px;color:var(--lab-muted)}.lab-layout{display:grid;grid-template-columns:350px minmax(0,1fr);gap:24px;margin-top:30px}.mission-panel,.terminal-panel{border:1px solid #334359;border-radius:18px;background:var(--lab-panel);overflow:hidden}.mission-panel{padding:26px}.progress-row{display:flex;justify-content:space-between;font-size:13px}progress{width:100%;height:9px;accent-color:var(--lab-accent);margin:15px 0 25px}.mission-panel h2{font-size:28px;line-height:1.2}.mission-panel p{line-height:1.6}button{background:var(--lab-accent);color:#152019;border:0;border-radius:8px;padding:12px 16px;font:inherit;font-size:13px;font-weight:700;cursor:pointer}.secondary{background:transparent;color:var(--lab-ink);border:1px solid #65768d}.mission-panel button{margin:4px 6px 4px 0}.hint{color:var(--lab-accent);font-family:monospace}.privacy-note,.terminal-note{font-size:12px;color:var(--lab-muted)}#feedback{padding:12px;border-left:3px solid var(--lab-accent);background:#122030;font-size:14px}.mission-list{padding-left:22px;font-size:13px;line-height:2;color:var(--lab-muted)}.mission-list .done{color:var(--lab-accent)}.terminal-top{padding:18px;display:flex;align-items:center;gap:14px;font-size:10px;letter-spacing:.12em;border-bottom:1px solid #334359}.terminal-top button{margin-left:auto;padding:7px;font-size:11px}.terminal-dots{color:var(--lab-accent);letter-spacing:3px}.terminal-output{height:400px;overflow:auto;padding:22px;background:#0b1320;font-family:ui-monospace,SFMono-Regular,monospace;font-size:14px;line-height:1.75;white-space:pre-wrap;overflow-wrap:anywhere}.terminal-line.command{color:var(--lab-accent)}.terminal-line.error{color:#ffb4a8}#terminal-form{display:flex;align-items:center;gap:10px;padding:18px;flex-wrap:wrap}#prompt{font-family:monospace;color:var(--lab-accent);font-size:13px}#command{min-width:100px;flex:1;background:#0b1320;color:var(--lab-ink);border:1px solid #53627a;padding:12px;border-radius:6px;font-family:monospace;font-size:14px}.terminal-note{padding:0 18px 12px}.lab-details{padding:30px 0;max-width:800px}.lab-details p{line-height:1.7;color:var(--lab-muted)}.lab-footer{border-top:1px solid #334359;color:var(--lab-muted);font-size:13px}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--lab-accent);outline-offset:3px}@media(max-width:800px){.lab-layout{grid-template-columns:1fr}.lab-header nav{gap:12px;font-size:13px}.lab-header,.lab-main{padding:18px}.terminal-output{height:320px}}

.terminal-block{padding:12px 0;border-bottom:1px solid #223149}.terminal-block .command{font-weight:650}.terminal-output{scroll-behavior:auto;overflow-anchor:none}