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

header {
    background: #007BFF;
    color: #fff;
    padding: 20px;
    text-align: center;
    border-bottom: 4px solid #0056b3;
}

header h1 {
    margin: 0;
    font-size: 2rem;
}

nav {
    background: #f8f9fa;
    border-bottom: 1px solid #ddd;
    padding: 10px 0;
}

nav ul {
    list-style: none;
    padding: 0;
    display: flex;
    justify-content: center;
    margin: 0;
}

nav ul li {
    margin: 0 15px;
}

nav ul li a {
    text-decoration: none;
    color: #007BFF;
    font-weight: bold;
    padding: 5px 10px;
    border-radius: 3px;
    transition: background 0.3s, color 0.3s;
}

nav ul li a:hover {
    background: #007BFF;
    color: #fff;
}

main {
    max-width: 1200px;
    margin: 20px auto;
    padding: 20px;
    background: #fff;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

footer {
    text-align: center;
    background: #007BFF;
    color: #fff;
    padding: 10px 0;
    position: fixed;
    bottom: 0;
    width: 100%;
}

/* Consistent table styles */
table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
    background: #fff;
}

table th, table td {
    border: 1px solid #ddd;
    padding: 10px;
    text-align: left;
}

table th {
    background-color: #f4f4f4;
    font-weight: bold;
    text-transform: uppercase;
    color: #333;
}

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

table tr:hover {
    background-color: #f1f1f1;
}

button {
    background-color: #007BFF;
    color: #fff;
    border: none;
    padding: 10px 15px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
}

button:hover {
    background-color: #0056b3;
}