body {
    font-family: Arial, sans-serif;
    background: #f5f5f5;
    margin: 0;
}
.topbar {
    background: #003366;
    color: #fff;
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
}
.container {
    padding: 20px;
}
h1, h2 {
    color: #003366;
}
.table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
}
.table th, .table td {
    border: 1px solid #ddd;
    padding: 8px;
}
.table th {
    background: #eee;
}
.form-card {
    background: #fff;
    padding: 15px;
    margin-bottom: 20px;
    border: 1px solid #ddd;
}
input[type=text], input[type=password], input[type=datetime-local], select, textarea {
    width: 100%;
    padding: 6px;
    margin: 5px 0 15px 0;
    border: 1px solid #ccc;
    border-radius: 3px;
}
.btn {
    background: #003366;
    color: #fff;
    padding: 6px 15px;
    border: none;
    border-radius: 3px;
    text-decoration: none;
    cursor: pointer;
}
.btn-secondary {
    background: #555;
}
.status-badge {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 3px;
    font-size: 12px;
    background: #eee;
}