body{font-family:Arial,Helvetica,sans-serif;background:#f8fafc;color:#1f2937;margin:0}
header{background:#0f172a;color:#fff;padding:20px}
header a{color:#fff;text-decoration:none;font-weight:bold}
.container{max-width:1100px;margin:auto;padding:20px}
.card{background:#fff;border-radius:8px;padding:20px;box-shadow:0 2px 10px rgba(0,0,0,.05)}
footer{background:#020617;color:#cbd5f5;padding:20px;text-align:center;margin-top:40px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px}
.btn{background:#2563eb;color:#fff;padding:10px 16px;border-radius:6px;border:none;cursor:pointer}
input,select{padding:10px;width:100%;margin-bottom:10px}