body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: #f7f7f7;
}
.container {
    max-width: 400px;
    margin: 30px auto;
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 8px #0001;
}
h2 {
    text-align: center;
    color: #1976d2;
}
form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
input, select, button {
    padding: 10px;
    border-radius: 4px;
    border: 1px solid #ccc;
}
button {
    background: #1976d2;
    color: #fff;
    border: none;
    cursor: pointer;
}
button:hover {
    background: #125ea2;
}
a {
    color: #1976d2;
    text-decoration: none;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}
th, td {
    border: 1px solid #ccc;
    padding: 8px;
    text-align: left;
}
th {
    background: #1976d2;
    color: #fff;
}
@media (max-width: 500px) {
    .container { max-width: 98vw; padding: 10px; }
    table, th, td { font-size: 14px; }
}