:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}.app-root{width:100vw;height:100vh;max-width:none;margin:0;padding:12px;display:flex;flex-direction:column}.title{text-align:center;margin:0 0 1.5rem;font-size:1.75rem}.grid{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:1fr;gap:8px;flex:1 1 auto}.tile{display:inline-flex;align-items:center;justify-content:center;width:100%;height:100%;min-height:0;padding:8px 10px;border-radius:12px;border:1px solid rgba(255,255,255,.2);background:#ffffff0f;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);color:inherit;font-weight:700;letter-spacing:.2px;text-align:center;line-height:1;cursor:pointer;-webkit-user-select:none;user-select:none;transition:transform .15s ease,background-color .15s ease,border-color .15s ease;word-break:break-word;text-wrap:balance;font-size:clamp(12px,1.8vw,22px)}.tile:hover{transform:translateY(-2px)}.tile:active{transform:translateY(0)}.tile[aria-pressed=true]{pointer-events:none}.tile-correct{background:#4caf5038;border-color:#4caf5099;animation:pop .32s ease-out both}.tile-incorrect{background:#f4433638;border-color:#f4433699;animation:vanish .38s ease-in forwards}.tile-gone{visibility:hidden}@keyframes pop{0%{transform:scale(1)}30%{transform:scale(1.08)}60%{transform:scale(.98)}to{transform:scale(1)}}@keyframes vanish{0%{opacity:1;transform:scale(1)}60%{opacity:.5;transform:scale(.9)}to{opacity:0;transform:scale(.7)}}.footer{height:var(--footer-h, 56px);display:grid;grid-template-columns:1fr 1fr;gap:10px;padding-top:8px}.next-btn{width:100%;height:100%;border-radius:12px;border:1px solid rgba(255,255,255,.25);background:#ffffff14;color:inherit;font-weight:700;font-size:clamp(15px,2.4vw,28px)}.next-btn:disabled{opacity:.5;cursor:not-allowed}.back-btn{width:100%;height:100%;border-radius:12px;border:1px solid rgba(255,255,255,.25);background:#ffffff14;color:inherit;font-weight:700;font-size:clamp(15px,2.4vw,28px)}.back-btn:disabled{opacity:.5;cursor:not-allowed}