:root{--ink: #0e2429;--ink-2: #143139;--card: #fbf9f4;--text: #16272c;--dim: #7d9aa0;--amber: #ffb43a;--green: #2fa37a;--red: #e4573d}*{box-sizing:border-box}body{margin:0;background:var(--ink);color:var(--card);font-family:Public Sans,system-ui,sans-serif;-webkit-font-smoothing:antialiased}.shell{max-width:640px;margin:0 auto;min-height:100svh;display:flex;flex-direction:column;justify-content:center;padding:48px 20px 64px}.mono{font-family:JetBrains Mono,monospace}.eyebrow{font-family:JetBrains Mono,monospace;font-size:12px;font-weight:700;letter-spacing:.18em;color:var(--amber);margin:0 0 12px}.title{font-family:Bricolage Grotesque,sans-serif;font-weight:800;font-size:clamp(40px,8vw,64px);line-height:1.02;margin:0 0 12px}.subtitle{color:var(--dim);font-size:17px;margin:0 0 32px;max-width:46ch}.cta{align-self:flex-start;font-family:Bricolage Grotesque,sans-serif;font-weight:700;font-size:17px;color:var(--ink);background:var(--amber);border:none;border-radius:8px;padding:14px 28px;cursor:pointer;transition:transform .12s ease,box-shadow .12s ease}.cta:hover{transform:translateY(-1px);box-shadow:0 6px 20px #ffb43a47}.cta:focus-visible,.choice:focus-visible{outline:3px solid var(--amber);outline-offset:2px}.card{background:var(--card);color:var(--text);border-radius:14px;padding:32px 28px;box-shadow:0 12px 40px #00000059}.photo{display:block;width:calc(100% + 56px);margin:-32px -28px 24px;border-radius:14px 14px 0 0;aspect-ratio:3 / 2;object-fit:cover}.prompt{font-family:Bricolage Grotesque,sans-serif;font-weight:700;font-size:clamp(22px,4.5vw,30px);line-height:1.15;margin:0 0 24px}.choices{display:flex;flex-direction:column;gap:10px}.choice{display:flex;align-items:center;gap:14px;text-align:left;font-family:inherit;font-size:16px;font-weight:500;color:var(--text);background:transparent;border:2px solid #d8d2c4;border-radius:10px;padding:13px 16px;cursor:pointer;transition:border-color .12s ease,background .12s ease}.choice:hover:not(:disabled){border-color:var(--ink);background:#f1ede2}.choice:disabled{cursor:default}.letter{font-size:13px;font-weight:700;color:var(--dim);border:1.5px solid #d8d2c4;border-radius:6px;width:26px;height:26px;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}.choice-right{border-color:var(--green);background:#2fa37a1f}.choice-right .letter{border-color:var(--green);color:var(--green)}.choice-wrong{border-color:var(--red);background:#e4573d1a}.choice-wrong .letter{border-color:var(--red);color:var(--red)}.choice-dim{opacity:.45}.cta-next{margin-top:22px}.strip{display:flex;gap:6px;margin-top:28px}.seg{flex:1;height:10px;border-radius:3px;background:var(--ink-2);transition:background .2s ease}.seg-right{background:var(--green)}.seg-wrong{background:var(--red)}.seg-current{background:var(--amber);animation:pulse 1.4s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.45}}@media(prefers-reduced-motion:reduce){.seg-current{animation:none}.cta{transition:none}}.review{list-style:none;padding:0;margin:28px 0 32px;display:flex;flex-direction:column;gap:8px}.rv{background:var(--ink-2);border-left:4px solid var(--dim);border-radius:8px;padding:12px 16px;display:flex;flex-direction:column;gap:4px}.rv-right{border-left-color:var(--green)}.rv-wrong{border-left-color:var(--red)}.rv-prompt{font-weight:600;font-size:15px}.rv-answer{font-size:13.5px;color:var(--dim)}