body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
}

.container {
    width: 80%;
    margin: 0 auto;
    padding: 20px;
    background: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
}

.logout {
    color: #fff;
    background: #d9534f;
    padding: 5px 10px;
    text-decoration: none;
    border-radius: 3px;
}

.logout:hover {
    background: #c9302c;
}

nav ul {
    list-style: none;
    padding: 0;
    display: flex;
    background: #333;
}

nav ul li a {
    color: #fff;
    padding: 10px 15px;
    text-decoration: none;
    display: block;
}

nav ul li a:hover {
    background: #555;
}

.login-container {
    width: 400px;
    margin: 50px auto;
    padding: 20px;
    background: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    text-align: center;
}

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 3px;
}

button {
    background: #5cb85c;
    color: #fff;
    border: none;
    padding: 10px 15px;
    cursor: pointer;
    border-radius: 3px;
}

button:hover {
    background: #4cae4c;
}

.alert {
    padding: 10px;
    margin-bottom: 20px;
    border-radius: 3px;
}

.alert.success {
    background: #dff0d8;
    color: #3c763d;
}

.alert.error {
    background: #f2dede;
    color: #a94442;
}

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

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

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

th {
    background-color: #f4f4f4;
}

tr:nth-child(even) {
    background-color: #f9f9f9;
}

small {
    display: block;
    font-size: 0.8em;
    color: #666;
    margin-top: 5px;
}

.results {
    margin-top: 20px;
    padding: 15px;
    background: #f9f9f9;
    border-radius: 3px;
}