body{margin:0;font-family:Arial;background:linear-gradient(135deg,#0f172a,#1e293b);color:#e2e8f0;}
nav,footer{text-align:center;padding:15px;}
a{color:#38bdf8;margin:0 10px;text-decoration:none;}
.container{max-width:600px;margin:40px auto;padding:20px;background:rgba(255,255,255,0.05);border-radius:15px;text-align:center;}
.counter{font-size:60px;font-weight:bold;}
button{padding:10px 15px;margin:5px;border:none;border-radius:8px;background:#38bdf8;color:#fff;cursor:pointer;}
input{padding:8px;margin:5px;border-radius:6px;border:none;}