:root{--bg:#fff8e1;--ink:#263238;--muted:#607d8b;--card:#fff;--line:#e0e0e0;--blue:#1e88e5;--green:#43a047;--orange:#fb8c00;--red:#e53935;--radius:18px;color:var(--ink);font-family:Trebuchet MS,Segoe UI,system-ui,sans-serif}@media (prefers-color-scheme:dark){:root{--bg:#1b2430;--ink:#eceff1;--muted:#90a4ae;--card:#26323f;--line:#3b4a5a}}*{box-sizing:border-box}html,body,#root{height:100%}body{background:var(--bg);color:var(--ink);margin:0;font-size:18px}h1{margin:.4em 0;font-size:1.8rem}h2{margin:.4em 0;font-size:1.4rem}a{color:var(--blue)}code{letter-spacing:2px;background:#00000014;border-radius:8px;padding:2px 8px}.muted{color:var(--muted);font-size:.9rem}.error{color:var(--red);font-weight:700}.small{font-size:.9rem}.big-text{text-align:center;font-size:1.5rem}.row{align-items:center;gap:10px;display:flex}.row.wrap{flex-wrap:wrap}.page{max-width:980px;min-height:100%;margin:0 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.num{font-size:1.8rem;font-weight:700}.node.done{border-color:var(--green);background:#e8f5e9}@media (prefers-color-scheme:dark){.node.done{background:#1f3b2a}}.node.current{border-color:var(--orange);animation:1.3s infinite pulse}.node.locked{opacity:.45}.stars{letter-spacing:1px;font-size:.9rem}.player{flex-direction:column;height:100%;padding:10px 14px;display:flex}.player .topbar{margin-bottom:8px}.player .title{font-size:1.15rem;font-weight:700}.play-area{flex:1;grid-template-columns:minmax(280px,42%) 1fr;gap:14px;min-height:0;display:grid}.left{flex-direction:column;gap:8px;min-height:0;display:flex;overflow:auto}.instructions{color:#333;background:#fff3c4;border-radius:14px;margin:0;padding:10px 14px;font-size:1.15rem}.scene-card{background:var(--card);border-radius:var(--radius);padding:8px;box-shadow:0 2px 8px #0000001a}.scene{border-radius:12px;width:100%;max-height:46vh;display:block}.robot{transition:transform .3s}.robot.crashed{animation:.4s 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li.fail{border-color:var(--orange)}.cards{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px;margin-top:14px;display:grid}.login-card{color:#222;break-inside:avoid;background:#fff;border:2px dashed #888;border-radius:14px;gap:8px;padding:12px;display:grid}.lc-top{align-items:center;gap:10px;display:flex}.lc-avatar{font-size:48px}.lc-secret{text-align:center;font-size:40px}.lc-qr{justify-content:center;align-items:center;gap:10px;display:flex}@media print{body{background:#fff;font-size:14px}.no-print,.topbar{display:none!important}.page{max-width:none;padding:0}.cards{grid-template-columns:repeat(3,1fr)}}@keyframes shake{0%,to{transform:translate(0)}20%,60%{transform:translate(-9px)}40%,80%{transform:translate(9px)}}@keyframes pop{0%{opacity:0;transform:scale(.7)}to{opacity:1;transform:scale(1)}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.07)}}@keyframes bob{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}@media 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