@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@500&display=swap');
body{background:#0f0f1e;color:#00ff9d;font-family:Segoe UI;margin:0;padding:20px;text-align:center}
h1{font-family:'Orbitron',sans-serif;font-size:3.5rem;text-shadow:0 0 20px #00ff9d}
.container{max-width:800px;margin:0 auto}
.card{background:#1a1a2e;padding:30px;border-radius:15px;margin:30px 0;box-shadow:0 0 30px rgba(0,255,157,.3)}
select,button{padding:12px 24px;margin:10px;font-size:1.1rem;border:none;border-radius:8px}
button{background:#00ff9d;color:#000;font-weight:bold;cursor:pointer}
button:disabled{background:#555}
#log{background:#000;color:#00ff9d;padding:20px;height:400px;overflow-y:auto;border:2px solid #00ff9d;border-radius:10px;margin-top:20px;font-family:Courier New}