body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

.container {
    width: 80%;
    margin: auto;
    overflow: hidden;
    padding: 20px;
}

h1, h2 {
    color: #333;
}

.form-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
}

input[type="text"],
input[type="password"],
input[type="date"] {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

button {
    display: inline-block;
    background: #333;
    color: #fff;
    padding: 10px 20px;
    border: none;
    cursor: pointer;
}

button:hover {
    background: #555;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

table, th, td {
    border: 1px solid #ddd;
}

th, td {
    text-align: left;
    padding: 10px;
}

th {
    background-color: #f4f4f4;
}

.alert {
    padding: 10px;
    margin-bottom: 15px;
    border-radius: 4px;
}

.alert-success {
    background-color: #d4edda;
    border-color: #c3e6cb;
    color: #155724;
}

.alert-error {
    background-color: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
}

.logout-btn {
    float: right;
    background: #dc3545;
    color: #fff;
    padding: 5px 10px;
    text-decoration: none;
    border-radius: 4px;
}

.logout-btn:hover {
    background: #c82333;
}