body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f8f9fa;
}

.container {
    max-width: 1200px;
    margin: 20px auto;
    background-color: #ffffff;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    padding: 20px;
}

h1 {
    text-align: center;
    color: #2563EB;
    margin-bottom: 20px;
}

form {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 20px;
    justify-content: center;
}

form label {
    font-weight: bold;
}

form input, form select {
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

form button {
    padding: 10px 20px;
    background-color: #2563EB;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
}

form button:hover {
    background-color: #2063EB;
}

#results {
    margin-top: 20px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

table th, table td {
    padding: 12px;
    text-align: left;
    border: 1px solid #ddd;
}

table th {
    background-color: #2563EB;
    color: #fff;
}

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

footer {
    text-align: center;
    padding: 10px;
    background-color: #2563EB;
    color: #fff;
    margin-top: 20px;
    font-size: 14px;
}

header {
    background-color: #2563EB;
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    font-size: 18px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logout-btn, .login-btn {
    background-color: white;
    color: #2563EB;
    padding: 6px 12px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s;
}

.logout-btn:hover, .login-btn:hover {
    background-color: #f8f9fa;
}