:root{font-family:Inter,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;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}#app{max-width:1280px;margin:0 auto;padding:2rem;text-align:center}.logo{height:6em;padding:1.5em;will-change:filter;transition:filter .3s}.logo:hover{filter:drop-shadow(0 0 2em #646cffaa)}.logo.vanilla:hover{filter:drop-shadow(0 0 2em #f7df1eaa)}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}button:disabled{opacity:.5;cursor:not-allowed}.debug-button{margin-top:2rem;background:#dc3545;font-size:.8rem;padding:.5rem 1rem}.debug-button:hover{background:#c82333}.coin-selection{display:flex;gap:1rem;justify-content:center;margin:2rem 0}.coin-btn{font-size:1.2em;padding:1em 2em;background:linear-gradient(135deg,#667eea,#764ba2);border:none;color:#fff;font-weight:700}.coin-btn:hover:not(:disabled){transform:scale(1.05);box-shadow:0 4px 15px #667eea66}#result-container{margin-top:2rem;min-height:100px}.result{padding:1.5rem;border-radius:12px;background-color:#ffffff0d;animation:slideIn .5s ease-out}.result.win{border:2px solid #4ade80}.result.lose{border:2px solid #f87171}.success{color:#4ade80;font-weight:700;font-size:1.2em}.failure{color:#f87171;font-weight:700;font-size:1.2em}.flipping{font-size:1.5em;animation:pulse 1s ease-in-out infinite}.error{color:#f87171;font-weight:700}@keyframes slideIn{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.warning{color:orange;font-weight:700;padding:.5rem 1rem;background:#ffa5001a;border-radius:8px;border:1px solid rgba(255,165,0,.3)}.success{color:#4caf50;font-weight:700;padding:.5rem 1rem;background:#4caf501a;border-radius:8px;border:1px solid rgba(76,175,80,.3)}.celebration{font-size:1.3em;font-weight:700;color:gold;padding:1rem;margin-bottom:1rem;background:linear-gradient(135deg,#ffd70033,#ffa50033);border-radius:12px;border:2px solid #FFD700;animation:celebratePulse .5s ease-in-out 3;text-shadow:0 0 10px rgba(255,215,0,.5)}.restart{font-size:1.1em;font-weight:700;color:#4caf50;padding:.8rem;margin-bottom:1rem;background:#4caf5026;border-radius:10px;border:1px solid #4CAF50}.streak-broken{font-size:1.2em;font-weight:700;color:#ff6b6b;padding:1rem;margin-bottom:1rem;background:#ff6b6b26;border-radius:12px;border:2px solid #ff6b6b;animation:sadShake .5s ease-in-out}@keyframes celebratePulse{0%,to{transform:scale(1);box-shadow:0 0 10px #ffd7004d}50%{transform:scale(1.05);box-shadow:0 0 25px #ffd70099}}@keyframes sadShake{0%,to{transform:translate(0)}20%{transform:translate(-10px)}40%{transform:translate(10px)}60%{transform:translate(-10px)}80%{transform:translate(10px)}}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}