*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px;color:#fff}#app{width:100%;display:flex;justify-content:center;align-items:center}.container{text-align:center;max-width:600px;width:100%}h1{font-size:3.5rem;margin-bottom:1rem;font-weight:800;text-shadow:2px 2px 4px rgba(0,0,0,.3)}.subtitle{font-size:1.2rem;margin-bottom:3rem;opacity:.9}.card{background:#fff;border-radius:30px;padding:60px 40px;box-shadow:0 20px 60px #0000004d;margin-bottom:2rem;position:relative;overflow:hidden}.result-container{min-height:300px;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative}.result{font-size:10rem;transition:all .3s ease;animation:fadeIn .5s ease}.result.flipping{animation:flip .6s ease-in-out}@keyframes flip{0%{transform:rotateY(0) scale(1)}50%{transform:rotateY(90deg) scale(.8)}to{transform:rotateY(0) scale(1)}}@keyframes fadeIn{0%{opacity:0;transform:scale(.8)}to{opacity:1;transform:scale(1)}}.result-text{font-size:2.5rem;font-weight:700;margin-top:1rem;color:#667eea}.pile{color:#667eea}.fesse{color:#f093fb}button{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;padding:20px 60px;font-size:1.5rem;font-weight:700;border-radius:50px;cursor:pointer;transition:all .3s ease;box-shadow:0 10px 30px #667eea66;text-transform:uppercase;letter-spacing:1px}button:hover:not(:disabled){transform:translateY(-3px);box-shadow:0 15px 40px #667eea99}button:active:not(:disabled){transform:translateY(-1px)}button:disabled{opacity:.6;cursor:not-allowed}.placeholder{font-size:4rem;color:#ddd;font-weight:300}.stats{display:flex;justify-content:space-around;gap:20px;flex-wrap:wrap;margin-top:2rem}.stat-item{background:#fff3;padding:15px 30px;border-radius:15px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.stat-value{font-size:2rem;font-weight:700;display:block}.stat-label{font-size:.9rem;opacity:.8;margin-top:5px}footer{margin-top:2rem;opacity:.7;font-size:.9rem}@media (max-width: 600px){h1{font-size:2.5rem}.result{font-size:7rem}.result-text{font-size:2rem}button{padding:15px 40px;font-size:1.2rem}.card{padding:40px 30px}}
