:root{--primary: #6366f1;--secondary: #8b5cf6;--success: #10b981;--error: #ef4444;--bg: #0f172a;--surface: #1e293b;--text: #f8fafc;--text-muted: #94a3b8}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;display:flex;align-items:center;justify-content:center;overflow-x:hidden}#app{width:100%;max-width:400px;margin:0 auto;padding:1rem}.screen{display:none}.screen.active{display:block}#setup-screen{text-align:center;padding:2rem 1rem}h1{font-size:2.5rem;margin-bottom:2rem;background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent}input{width:100%;padding:1rem;font-size:1.2rem;border:none;border-radius:.5rem;background:var(--surface);color:var(--text);margin-bottom:1rem;text-align:center}button{padding:1rem 2rem;font-size:1.1rem;border:none;border-radius:.5rem;background:var(--primary);color:#fff;cursor:pointer;transition:all .3s ease}button:active{transform:scale(.95)}.header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem}.btn-small{padding:.5rem 1rem;font-size:.9rem}.lives{font-size:1.2rem}.word-display{display:flex;justify-content:center;gap:.5rem;margin:2rem 0;flex-wrap:wrap}.letter-slot{width:2.5rem;height:3rem;border-bottom:3px solid var(--text);display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:700}.letters-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:.5rem;max-width:300px;margin:0 auto}.letter-btn{padding:1rem;font-size:1.2rem;background:var(--surface);border:none;border-radius:.5rem;cursor:pointer;transition:all .3s ease}.letter-btn:disabled{cursor:not-allowed;opacity:.5}.letter-btn.correct{background:var(--success)}.letter-btn.incorrect{background:var(--error)}.modal{position:fixed;top:0;left:0;right:0;bottom:0;background:#000c;display:flex;align-items:center;justify-content:center;z-index:1000}.modal.hidden{display:none}.modal-content{background:var(--surface);padding:2rem;border-radius:1rem;text-align:center;animation:slideIn .3s ease}@keyframes slideIn{0%{transform:translateY(-2rem);opacity:0}to{transform:translateY(0);opacity:1}}.win-animation{animation:bounce .6s ease infinite}.lose-animation{animation:shake .5s ease}@keyframes bounce{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-.5rem)}75%{transform:translate(.5rem)}}.particle{position:absolute;width:10px;height:10px;border-radius:50%;pointer-events:none;animation:particle 1s ease-out forwards}@keyframes particle{to{transform:translateY(-100px) rotate(360deg);opacity:0}}@media (max-width: 480px){#app{padding:.5rem}h1{font-size:2rem}.letters-grid{grid-template-columns:repeat(5,1fr);gap:.4rem}.letter-btn{padding:.8rem;font-size:1rem}}