*{margin:0;padding:0;box-sizing:border-box;font-family:Arial}
body{background:#0b0f14;color:#e5e7eb}
.container{max-width:1200px;margin:auto;padding:20px}
.card{background:#111827;border-radius:12px;padding:20px;margin-bottom:20px;box-shadow:0 0 20px #00ff8855}
.flex{display:flex;gap:20px;flex-wrap:wrap}
.box{flex:1;min-width:200px}
h1{color:#00ff88;margin-bottom:20px}
button{background:#00ff88;color:#000;border:none;padding:12px 20px;border-radius:8px;cursor:pointer;font-weight:bold}
button.loss{background:#ff4d4d}
canvas{background:#020617;border-radius:12px;padding:10px}