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0 calc(var(--q) * 1.6) #ffc94d40;background:linear-gradient(#3a3222,#2b261b);animation:1.6s ease-in-out infinite hint-glow}.kb-key.is-answer{color:var(--good);box-shadow:inset 0 0 0 1.5px #46e09bbf, 0 calc(var(--q) * .32) 0 #08080a, 0 0 calc(var(--q) * 1.8) #46e09b4d;background:linear-gradient(#1f3a2d,#183026)}.kb-key.is-correct{transform:translateY(calc(var(--q) * .18));color:#04140c;background:linear-gradient(180deg, #6ff0b6, var(--good));box-shadow:inset 0 1px 0 #fff6, 0 calc(var(--q) * .14) 0 var(--good-deep), 0 0 calc(var(--q) * 2.2) #46e09b80}.kb-key.is-wrong{transform:translateY(calc(var(--q) * .18));color:#fff;background:linear-gradient(180deg, #ff7b7f, var(--bad));box-shadow:inset 0 1px 0 #ffffff4d, 0 calc(var(--q) * .14) 0 var(--bad-deep), 0 0 calc(var(--q) * 2) #ff5a5f73}.kb-key.is-correct .kb-sub,.kb-key.is-wrong .kb-sub{color:inherit;opacity:.6}.site-shell{max-width:1240px;margin:0 auto;padding:0 24px 96px}.site-header{z-index:30;-webkit-backdrop-filter:blur(14px)saturate(1.3);backdrop-filter:blur(14px)saturate(1.3);border-bottom:1px solid var(--line);background:linear-gradient(#0c0c0eeb,#0c0c0ebf);align-items:center;gap:28px;height:76px;margin:0 -24px;padding:0 24px;display:flex;position:sticky;top:0}.brand{font-family:var(--font-display);letter-spacing:-.03em;align-items:center;gap:11px;font-size:21px;font-weight:800;display:inline-flex}.brand-cap{width:34px;height:34px;font-family:var(--font-mono);color:var(--accent-ink);background:linear-gradient(180deg, #ff9455, var(--accent));box-shadow:inset 0 1px 0 #ffffff73, inset 0 -3px 0 #00000024, 0 3px 0 var(--accent-deep);transition:transform .15s var(--ease-spring);border-radius:9px;place-items:center;font-size:17px;font-weight:700;display:grid}.brand:hover .brand-cap{transform:translateY(2px)rotate(-4deg)}.site-nav{gap:4px;display:flex}.site-nav a{color:var(--muted);border-radius:10px;padding:8px 14px;font-weight:500;transition:color 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var(--line);filter:grayscale();opacity:.6;border-radius:50%;flex-shrink:0;place-items:center;font-size:20px;display:grid}.trophy-state{font-family:var(--font-mono);letter-spacing:.05em;text-transform:uppercase;font-size:11px!important}.trophy.is-earned{color:var(--ink-2);background:radial-gradient(200px 100px at 0% 50%, #ffa94d1a, transparent 70%), var(--surface);box-shadow:inset 0 0 0 1px #ffa94d4d}.trophy.is-earned strong{color:var(--ink)}.trophy.is-earned .trophy-icon{filter:none;opacity:1;color:var(--accent-ink);background:linear-gradient(180deg, #ffd27a, var(--accent-2));box-shadow:inset 0 1px #ffffff80,0 3px #a8641a,0 8px 22px -6px #ffa94d80}.trophy.is-earned .trophy-state{color:var(--accent-2)}.library-hero{gap:18px;max-width:760px;padding:64px 0 36px;display:grid}.library-hero h1{font-size:clamp(42px,5.6vw,72px)}.library-tools{z-index:20;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid 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