body{font-family:Arial;background:#f4f6f9;margin:0}
header,footer{background:#1f2937;color:#fff;text-align:center;padding:15px}
nav{text-align:center;background:#374151;padding:10px}
nav a{color:#fff;margin:0 10px;text-decoration:none;font-weight:bold}
main{max-width:900px;margin:auto;padding:30px;background:#fff}
form input,button{width:100%;padding:10px;margin-top:10px}
button{background:#2563eb;color:#fff;border:none}

table{width:100%;border-collapse:collapse}
th{background:#111827;color:#fff;padding:10px}
td{padding:8px;border-bottom:1px solid #ddd}
.message-box{
      padding:15px;
    margin-top:20px;
    border-left:4px solid #06b6d4
}
.actions {
    margin-bottom: 15px;
    text-align: right;
}

.btn-export {
    background: #047857;
    color: white;
    padding: 10px 15px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
}

.btn-export:hover {
    background: #065f46;
}