:root{color-scheme:dark;--ink:#101216;--paper:#ede9de;--dim:#a5a9b5;--blue:#9eb5ff;--red:#ff7465;--mint:#8dd5b3;--line:#30333c}*{box-sizing:border-box}body{margin:0;background:#0b0c10;color:var(--paper);font:16px/1.5 Arial,sans-serif}button,a{-webkit-tap-highlight-color:transparent}a{color:var(--blue)}button{font:inherit;cursor:pointer}button:disabled{cursor:default;opacity:.55}button:focus-visible,a:focus-visible{outline:3px solid var(--blue);outline-offset:5px}[hidden]{display:none!important}header{max-width:1120px;margin:auto;padding:25px 30px;display:flex;align-items:center;gap:24px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;color:var(--paper);text-decoration:none;font-weight:800;font-size:20px}#preview-label{font:11px Consolas,monospace;color:#a0a4ae;letter-spacing:1px}.home-link{margin-left:auto;text-decoration:none;font-size:13px}main{max-width:1080px;margin:auto;padding:42px 30px 70px}.intro{position:relative;margin:0 0 35px}.eyebrow{font:12px Consolas,monospace;color:var(--blue);letter-spacing:1.8px;margin:0 0 13px}h1{font-size:clamp(46px,7vw,83px);font-weight:900;letter-spacing:-5px;line-height:1;margin:0 0 19px}h1 span{font-family:Georgia,serif;font-style:italic;font-weight:400;color:var(--blue);padding:0 8px}.lead{font-size:18px;margin:0 0 9px}.scope{color:#999faa;font-size:12px;line-height:1.55;margin:10px 0}.case-line{display:flex;justify-content:space-between;font:12px Consolas,monospace;letter-spacing:1.4px;color:var(--blue);padding-top:20px;border-top:1px solid var(--line)}.progress{display:flex;gap:6px;margin:16px 0 25px}.progress i{height:4px;flex:1;background:#2a2e38}.progress i.current{background:var(--blue)}.progress i.correct{background:var(--mint)}.progress i.incorrect{background:var(--red)}h2{font-size:clamp(25px,3.3vw,40px);line-height:1.12;letter-spacing:-1.4px;margin:0 0 15px}#case-setup{max-width:760px;color:#c1c4cf;font-size:15px;line-height:1.6;margin:0 0 22px}.review-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:15px}.source{background:#15171e;border:1px solid #343741;border-radius:3px;overflow:hidden}.file-label{padding:14px 17px;display:flex;justify-content:space-between;gap:12px;background:#1b1e27;border-bottom:1px solid var(--line);font:11px Consolas,monospace;color:var(--blue)}.file-label span:last-child{color:#7d8391;white-space:nowrap}pre{margin:0;padding:24px 18px;overflow-x:auto;min-height:188px;display:flex;align-items:center}code{font:13px/1.8 Consolas,'Courier New',monospace;color:#dfe4f2;tab-size:2}.mini-world{border:1px solid #45483f;background:var(--paper);color:var(--ink);padding:20px 25px;display:flex;flex-direction:column;min-height:220px;overflow:hidden}.world-label{font:11px Consolas,monospace;letter-spacing:1.6px;color:#75776e}#world-content{min-height:125px;display:flex;align-items:center;justify-content:center;gap:12px}#world-hint{font-size:12px;text-align:center;margin:auto 0 0;color:#696b63}.balance{display:flex;flex-direction:column;align-items:center;gap:0}.balance strong{font-size:70px;line-height:1;font-weight:900;letter-spacing:-4px}.balance small{font:11px Consolas,monospace}.price{background:var(--ink);color:var(--paper);padding:13px;font-weight:900;font-size:22px;transform:rotate(7deg)}.world-arrow{font-size:33px;color:#817c6d}.node{font:13px Consolas,monospace;padding:18px 10px;max-width:130px;border:2px solid var(--ink);text-align:center;font-weight:700}.node.good{background:#b2d6bb}.node.bad{background:#ffc3ad}.chair{width:100px;height:115px;position:relative;margin-top:15px}.chair-back{position:absolute;left:15px;top:0;width:70px;height:64px;border:3px solid var(--ink);background:#99acd3;transform:skewY(-12deg)}.chair-seat{position:absolute;top:58px;left:8px;width:90px;height:26px;border:3px solid var(--ink);background:#7290c2;transform:skewY(7deg)}.chair-legs{position:absolute;top:78px;left:12px;width:12px;height:32px;border:2px solid var(--ink);background:#7290c2;box-shadow:66px -7px 0 -1px #7290c2}.world-chip{background:var(--ink);color:var(--paper);padding:12px 10px;transform:rotate(-7deg);font:12px Consolas,monospace}.decisions{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin:17px 0 0}.decisions button{padding:17px 20px;text-align:left;border:1px solid var(--line);background:#15171d;color:var(--paper);transition:transform .15s,border-color .15s}.decisions button:hover:not(:disabled){border-color:var(--blue);transform:translateY(-2px)}.decisions button span{font-size:18px;font-weight:900}.decisions button small{display:block;color:var(--dim);font-size:11px;margin-top:3px}#ship{border-color:#6376a6;background:#a1b5ed;color:#111722}#ship small{color:#384363}.decisions button.chosen{opacity:1;box-shadow:inset 0 0 0 2px var(--blue)}#reveal{margin-top:22px;border-top:1px solid var(--line);padding-top:23px;animation:reveal .24s ease-out}.verdict-line{display:flex;justify-content:space-between;gap:18px;font:12px Consolas,monospace;letter-spacing:1px;color:var(--mint)}.verdict-line.missed{color:var(--red)}h3{font-size:25px;line-height:1.15;letter-spacing:-.8px;margin:15px 0}#reveal-why{color:#d1d4dd;max-width:760px;font-size:14px;line-height:1.65}#source-link{font-size:11px;display:block;max-width:fit-content}.next{margin-top:22px;padding:14px 20px;border:0;background:var(--paper);color:var(--ink);font-weight:800}#result{border-top:1px solid var(--line);padding-top:30px}.result-score{display:flex;align-items:center;gap:25px}.result-score strong{font-size:115px;line-height:1;font-weight:900;letter-spacing:-7px;color:var(--blue)}.result-score span{font:14px/1.7 Consolas,monospace;color:#aeb4c2}.result-joke{font-size:22px;line-height:1.3;letter-spacing:-.5px;max-width:700px}#result-calls{display:grid;gap:9px;margin:25px 0}.result-row{display:flex;align-items:center;gap:15px;padding:10px 0;border-bottom:1px solid #272a32;font-size:13px}.result-row b{font:12px Consolas,monospace;min-width:56px;color:var(--mint)}.result-row b.missed{color:var(--red)}.result-actions{display:flex;gap:10px;flex-wrap:wrap}.result-actions button{border:1px solid var(--line);background:#151720;color:var(--paper);padding:13px 18px;font-size:13px;font-weight:700}#save-card{background:var(--blue);color:var(--ink);border-color:var(--blue)}.next-step{border-top:1px solid var(--line);margin-top:40px;padding-top:30px;max-width:750px}.next-step h3{font-size:38px}.next-step>p:not(.eyebrow):not(.scope){font-size:15px;color:#bdc3d1}.download{display:inline-block;background:var(--paper);color:var(--ink);padding:14px 20px;font-weight:800;text-decoration:none;margin-top:10px}.scope a{color:inherit}#notice{color:var(--mint);min-height:20px;font-size:13px}footer{max-width:1120px;margin:auto;border-top:1px solid var(--line);padding:23px 30px;display:flex;justify-content:space-between;gap:20px;color:#747b89;font-size:11px}@keyframes reveal{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}.mini-world.revealed{animation:reveal .28s ease-out}.mini-world.revealed .balance strong{color:#b63529}.mini-world.revealed[data-visual="atomic"] .balance strong{color:#307c5c}@media(max-width:740px){header{padding:19px 20px;gap:13px}.brand{font-size:18px}#preview-label{font-size:9px;letter-spacing:.5px}.home-link{font-size:11px}main{padding:31px 20px 50px}h1{letter-spacing:-3px}.intro{margin-bottom:27px}.review-grid{grid-template-columns:1fr}.mini-world{min-height:180px;padding:16px 20px}#world-content{min-height:106px}.balance strong{font-size:62px}pre{min-height:150px;padding:20px 15px}code{font-size:12px}.decisions{gap:10px}.decisions button{padding:15px 12px}.decisions button span{font-size:14px}.decisions button small{font-size:10px}.result-score strong{font-size:91px}.result-actions button{flex:1 1 150px}footer{padding:20px;flex-direction:column;gap:8px}}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}