:root{--cream:#fef1d5;--surface:#faebce;--navy:#0c324a;--red:#c11720;--blue:#679cbc;--ink-soft:rgba(12,50,74,0.68);--border:rgba(12,50,74,0.12)}*{box-sizing:border-box}body,html{min-height:100%;margin:0;background:var(--cream);color:var(--navy);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}body{overflow-x:hidden}button,input{font:inherit}a{color:inherit;text-decoration:none}.shell{min-height:100dvh;display:grid;grid-template-rows:auto 1fr auto;padding:22px}.footer,.topbar{width:min(720px,100%);margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand,.mode{font-weight:800;letter-spacing:0}.mode{color:var(--red);font-size:12px}.main{width:min(720px,100%);margin:0 auto;display:flex;align-items:center;justify-content:center;padding:28px 0}.challenge{width:100%;display:grid;grid-gap:22px;gap:22px}.eyebrow{color:var(--red);font-size:13px;font-weight:800;text-transform:uppercase}.eyebrow,.fact{letter-spacing:0}.fact{margin:0;font-family:Georgia,Times New Roman,serif;font-size:clamp(31px,8vw,58px);line-height:1.16}.meta{color:var(--ink-soft);font-size:15px;line-height:1.5}.nameRow{display:grid;grid-template-columns:1fr;grid-gap:10px;gap:10px}.nameInput{width:100%;min-height:52px;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--navy);padding:0 14px;outline:none}.timer{height:8px;overflow:hidden;border-radius:999px;background:rgba(12,50,74,.12)}.timerBar{height:100%;width:100%;transform-origin:left center;background:linear-gradient(90deg,var(--red),var(--blue))}.timerBar.running{animation:drain 10s linear forwards}@keyframes drain{to{transform:scaleX(0)}}.choices{display:grid;grid-template-columns:1fr 1fr;grid-gap:12px;gap:12px}.choice,.install{min-height:56px;border:0;border-radius:8px;cursor:pointer;font-weight:800;letter-spacing:0}.choice.true{background:var(--navy);color:var(--cream)}.choice.false{background:var(--red);color:var(--cream)}.choice:disabled{cursor:default;opacity:.48}.reveal{display:grid;grid-gap:14px;gap:14px;border-top:1px solid var(--border);padding-top:22px;animation:rise .28s ease-out both}@keyframes rise{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.result{margin:0;font-size:25px;line-height:1.2;font-weight:900}.original{margin:0;color:var(--ink-soft);line-height:1.55}.install{background:var(--blue);color:#071f2f}.footer{color:var(--ink-soft);font-size:13px}.errorBox{width:min(560px,100%);margin:0 auto;display:grid;grid-gap:10px;gap:10px;padding:24px 0}@media (max-width:560px){.shell{padding:18px}.footer,.topbar{align-items:flex-start}.choices{grid-template-columns:1fr}}