body {
    background: #f8f9fa;
    font-family: 'Segoe UI', Arial, sans-serif;
    margin: 0;
    padding: 0;
}
h1, h2 {
    margin-top: 1.5rem;
    color: #343a40;
}
table {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    margin-bottom: 2rem;
}
table th, table td {
    padding: 0.5rem 1rem;
    text-align: left;
}
table th {
    background: #007bff;
    color: #fff;
}
table tr:nth-child(even) {
    background: #f2f2f2;
}
a {
    color: #007bff;
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}
.btn {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    font-size: 1rem;
    border-radius: 0.25rem;
    background: #007bff;
    color: #fff;
    border: none;
    cursor: pointer;
    margin: 0.2rem 0.2rem;
    text-align: center;
}
.btn:hover {
    background: #0056b3;
}
.container {
    max-width: 1100px;
    margin: 2rem auto;
    background: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.07);
}