body{
    margin:0;
    font-family: Arial, sans-serif;
    background:#f4f6f9;
}

.header{
    background:#003366;
    color:white;
    padding:18px 30px;
    font-size:20px;
    font-weight:bold;
}

.container{
    padding:30px;
}

.card{
    background:white;
    padding:20px;
    border-radius:8px;
    box-shadow:0 2px 8px rgba(0,0,0,0.05);
    margin-bottom:20px;
}

input, select{
    padding:8px;
    border-radius:6px;
    border:1px solid #ccc;
    margin-right:10px;
}

button{
    background:#ff6600;
    color:white;
    border:none;
    padding:8px 15px;
    border-radius:6px;
    cursor:pointer;
}

button:hover{
    background:#e65c00;
}

table{
    width:100%;
    border-collapse:collapse;
}

th{
    background:#003366;
    color:white;
    padding:10px;
}

td{
    padding:8px;
    border-bottom:1px solid #eee;
}

tr:hover{
    background:#f2f2f2;
}

a{
    text-decoration:none;
    color:#ff6600;
    font-weight:bold;
}

.total{
    margin-top:10px;
    font-weight:bold;
    color:#003366;
}