.unit-page[data-astro-cid-xuj2qlwa]{color-scheme:light;max-width:1200px;margin:0 auto;padding:clamp(2rem,6vw,3.5rem) clamp(1.25rem,4vw,1.5rem) 5rem}.back-link[data-astro-cid-xuj2qlwa]{display:inline-block;font-family:var(--font-mono);font-size:.78rem;letter-spacing:.05em;color:var(--ink-muted);text-decoration:none;margin-bottom:1.5rem}.back-link[data-astro-cid-xuj2qlwa]:hover{color:var(--ink)}.unit-meta[data-astro-cid-xuj2qlwa]{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:1.5rem}.eyebrow[data-astro-cid-xuj2qlwa]{display:flex;align-items:center;gap:.55rem;font-family:var(--font-mono);font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-muted);margin:0}.eyebrow-dot[data-astro-cid-xuj2qlwa]{width:.5rem;height:.5rem;border-radius:50%;background:var(--stamp-progress);flex-shrink:0}#gj-app{--blue:#2c4f74;--pink:#466461;--ink:#1a1c1e;--muted:#43474e;--bg:#f4f3f7;--card:#ffffff;--line:#c3c6cf;--code-bg:#10385c;--code-fg:#eeedf1;--green:#466461;--amber:#e3d1ac;--radius:12px;--shadow:0 8px 24px rgba(0,80,120,.1);--font:"Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;--mono:"Consolas","SF Mono",Monaco,"Courier New",monospace;all:initial;display:block;width:100%;box-sizing:border-box;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.55;padding:16px;border-radius:16px;-webkit-font-smoothing:antialiased}#gj-app *{box-sizing:border-box}#gj-app h1,#gj-app h2,#gj-app h3,#gj-app h4,#gj-app p{margin:0 0 .5em}#gj-app strong{color:var(--ink)}#gj-app :is(.viz,.meme) strong{color:#fff}#gj-app :focus-visible{outline:3px solid var(--pink);outline-offset:2px;border-radius:8px}#gj-app .hero{background:linear-gradient(120deg,var(--blue),var(--pink));color:#fff;border-radius:var(--radius);padding:22px 22px 20px;box-shadow:var(--shadow);position:relative;overflow:hidden}#gj-app .hero:after{content:"( ) → ( ) → ( )";position:absolute;right:-6px;bottom:-14px;font-family:var(--mono);font-size:64px;font-weight:700;color:#ffffff1f;letter-spacing:-4px;white-space:nowrap}#gj-app .hero .eyebrow{color:#fff;font-size:12px;font-weight:700;letter-spacing:2px;text-transform:uppercase;opacity:.9}#gj-app .hero h1{font-size:34px;font-weight:800;line-height:1.05;margin:.15em 0}#gj-app .teacher{display:inline-flex;align-items:center;gap:8px;margin-top:8px;background:#ffffff2e;padding:6px 12px;border-radius:999px;font-weight:700;font-size:14px;backdrop-filter:blur(2px)}#gj-app .teacher .face{font-size:18px}#gj-app .tabs{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0}#gj-app .tab{appearance:none;cursor:pointer;border:2px solid var(--line);background:var(--card);color:var(--ink);font-family:var(--font);font-weight:700;font-size:14px;padding:9px 14px;border-radius:999px;transition:transform .12s ease,background .12s ease,color .12s ease,border-color .12s ease}#gj-app .tab:hover{border-color:var(--pink);transform:translateY(-1px)}#gj-app .tab[aria-selected=true]{background:var(--blue);border-color:var(--blue);color:#fff;box-shadow:0 6px 14px #2c4f7459}#gj-app .panel{display:none;animation:gj-fade .25s ease}#gj-app .panel.active{display:block}@keyframes gj-fade{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}#gj-app .card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow);margin:14px 0}#gj-app .card h2{font-size:20px;color:var(--blue);display:flex;align-items:center;gap:8px}#gj-app .card h3{font-size:16px;color:var(--ink)}#gj-app .tag{display:inline-block;background:var(--pink);color:#fff;font-weight:700;font-size:11px;letter-spacing:.5px;text-transform:uppercase;padding:3px 9px;border-radius:999px;vertical-align:middle}#gj-app .tag.blue{background:var(--blue)}#gj-app .grid2{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:14px}@media(max-width:640px){#gj-app .grid2{grid-template-columns:minmax(0,1fr)}#gj-app .hero h1{font-size:26px}}#gj-app ul.gj{list-style:none;padding:0;margin:.3em 0}#gj-app ul.gj li{padding:6px 0 6px 4px}#gj-app ul.gj li:has(>.b){padding-left:calc(13px + 1.4em)}#gj-app ul.gj li .b{display:inline-block;width:1.4em;margin:0 9px 0 calc(-1.4em - 9px);text-align:center}#gj-app .keyterm{border-left:5px solid var(--pink);background:#eef4f2;padding:10px 14px;border-radius:8px;margin:12px 0}#gj-app .keyterm b{color:var(--pink)}#gj-app pre{background:var(--code-bg);color:var(--code-fg);border-radius:10px;padding:14px 16px;overflow-x:auto;margin:8px 0;font-size:13.5px;font-family:var(--mono);line-height:1.5;border:1px solid #12384a}#gj-app pre .cmt{color:#7fd1a8;font-style:italic}#gj-app pre .kw{color:#a7c9f5;font-weight:700}#gj-app .codehead{font-weight:800;font-size:13px;margin-bottom:2px;display:flex;gap:8px;align-items:center}#gj-app .scroll{overflow-x:auto;border-radius:10px;border:1px solid var(--line)}#gj-app table{border-collapse:collapse;width:100%;min-width:420px;font-size:14px;background:#fff}#gj-app th{background:var(--blue);color:#fff;text-align:left;padding:9px 12px;font-weight:700}#gj-app td{padding:8px 12px;border-top:1px solid var(--line)}#gj-app tr:nth-child(2n) td{background:#f5fbfe}#gj-app td.true{color:var(--green);font-weight:700}#gj-app td.false{color:var(--pink);font-weight:700}#gj-app .mono{font-family:var(--mono)}#gj-app .flow{display:flex;flex-direction:column;gap:6px;font-family:var(--mono);font-size:13.5px}#gj-app .flow .row{display:flex;align-items:center;gap:10px}#gj-app .flow .box{background:#eef2f5;border:2px solid var(--blue);color:var(--ink);border-radius:8px;padding:7px 11px;flex:1}#gj-app .flow .box.base{background:#eef4f2;border-color:var(--pink)}#gj-app .flow .ret{color:var(--pink);font-weight:800;white-space:nowrap}#gj-app .flow .depth1{margin-left:0}#gj-app .flow .depth2{margin-left:16px}#gj-app .flow .depth3{margin-left:32px}#gj-app .flow .depth4{margin-left:48px}#gj-app .flow .depth5{margin-left:64px}#gj-app .cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}#gj-app .flip{perspective:900px;height:130px;cursor:pointer}#gj-app .flip .inner{position:relative;width:100%;height:100%;transition:transform .5s;transform-style:preserve-3d}#gj-app .flip.on .inner{transform:rotateY(180deg)}#gj-app .flip .side{position:absolute;inset:0;backface-visibility:hidden;border-radius:10px;padding:12px;display:flex;flex-direction:column;justify-content:center;text-align:center;box-shadow:var(--shadow)}#gj-app .flip .front{background:var(--blue);color:#fff;font-weight:800;font-size:15px}#gj-app .flip .front small{font-weight:600;opacity:.85;font-size:11px;margin-top:6px}#gj-app .flip .back{background:#fff;border:2px solid var(--pink);color:var(--ink);font-size:13px;transform:rotateY(180deg)}#gj-app .acc{border:1px solid var(--line);border-radius:10px;overflow:hidden;margin:10px 0;background:#fff}#gj-app .acc .head{cursor:pointer;padding:12px 14px;font-weight:700;background:#f4fbfe;display:flex;justify-content:space-between;gap:10px;align-items:center;color:var(--ink)}#gj-app .acc .head:hover{background:#e9f6fd}#gj-app .acc .chev{color:var(--pink);font-weight:900;transition:transform .2s}#gj-app .acc.on .chev{transform:rotate(90deg)}#gj-app .acc .body{display:none;padding:12px 14px;border-top:1px dashed var(--line)}#gj-app .acc.on .body{display:block}#gj-app .viz{background:linear-gradient(180deg,#10385c,#1c4560);color:#eaf6ff;border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}#gj-app .viz h3{color:#fff}#gj-app .viz .controls{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:6px 0 12px}#gj-app .nbtn{cursor:pointer;border:2px solid rgba(255,255,255,.25);background:transparent;color:#eaf6ff;font-family:var(--mono);font-weight:700;width:34px;height:34px;border-radius:8px;transition:.12s}#gj-app .nbtn.on,#gj-app .nbtn:hover{background:var(--pink);border-color:var(--pink);color:#fff}#gj-app .abtn{cursor:pointer;border:none;border-radius:8px;padding:8px 14px;font-weight:800;font-family:var(--font);color:#fff;background:var(--blue);transition:.12s}#gj-app .abtn:hover{filter:brightness(1.08);transform:translateY(-1px)}#gj-app .abtn.ghost{background:transparent;border:2px solid rgba(255,255,255,.3)}#gj-app .viz .stage{display:grid;grid-template-columns:180px 1fr;gap:14px}@media(max-width:560px){#gj-app .viz .stage{grid-template-columns:1fr}}#gj-app .stack{display:flex;flex-direction:column-reverse;gap:6px;min-height:180px;justify-content:flex-start;background:#ffffff0d;border:1px dashed rgba(255,255,255,.2);border-radius:10px;padding:8px}#gj-app .frame{background:#25496d;border:1px solid #2c4f74;border-radius:7px;padding:7px 9px;font-family:var(--mono);font-size:13px;animation:gj-pop .25s ease}#gj-app .frame.base{background:#4c6a67;border-color:var(--pink)}#gj-app .frame .res{color:#9ff5c8;font-weight:700}@keyframes gj-pop{0%{opacity:0;transform:translateY(8px) scale(.96)}to{opacity:1;transform:none}}#gj-app .log{background:#00000040;border-radius:10px;padding:10px 12px;font-family:var(--mono);font-size:13px;min-height:180px;max-height:230px;overflow-y:auto}#gj-app .log div{padding:3px 0;border-bottom:1px solid rgba(255,255,255,.06)}#gj-app .log .final{color:#9ff5c8;font-weight:800}#gj-app .stacklabel{font-size:11px;letter-spacing:1px;text-transform:uppercase;opacity:.7;margin-bottom:4px}#gj-app .meme{background:linear-gradient(135deg,#111,#243b4a);color:#fff;border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);border:2px solid var(--pink)}#gj-app .meme h2{color:#fff}#gj-app .meme .big{font-family:var(--mono);font-size:15px;color:#ffd6ec}#gj-app .q{margin:14px 0;padding:14px;border:1px solid var(--line);border-radius:10px;background:#fff}#gj-app .q .opts{display:flex;flex-direction:column;gap:8px;margin-top:8px}#gj-app .opt{cursor:pointer;text-align:left;border:2px solid var(--line);background:#fff;color:var(--ink);border-radius:9px;padding:10px 12px;font-family:var(--font);font-size:14px;font-weight:600;transition:.12s}#gj-app .opt:hover{border-color:var(--blue)}#gj-app .opt.correct{background:#e6faf1;border-color:var(--green);color:#0c7a54}#gj-app .opt.wrong{background:#fdeef2;border-color:#c0392b;color:#c0392b}#gj-app .opt:disabled{cursor:default}#gj-app .fb{margin-top:8px;font-weight:700;font-size:13px;min-height:18px}#gj-app .score{font-weight:800;color:var(--blue);font-size:16px;margin-top:6px}#gj-app .foot{text-align:center;color:var(--muted);font-size:12px;margin-top:14px}@media(prefers-reduced-motion:reduce){#gj-app *{animation:none!important;transition:none!important}#gj-app .flip .inner{transition:none}}