body{background:#0f0a1f;color:white;font-family:Arial;margin:0;padding:30px}
.card{max-width:900px;margin:auto;background:#1a1233;padding:25px;border-radius:18px}
input{width:100%;padding:12px;margin:10px 0}
button{padding:12px;margin:5px}
#fiche{margin-top:20px;background:#24194a;padding:15px;border-radius:12px}