body {
    font-family: Arial, sans-serif;
    background: #f5f5f5;
    margin: 0;
    padding: 20px;
}

.container {
    max-width: 800px;
    margin: auto;
    background: #fff;
    padding: 20px;
    border-radius: 10px;
}

h1, h2 {
    text-align: center;
}

form {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    justify-content: center;
}

input, select, button {
    padding: 5px 10px;
    font-size: 1rem;
}

button {
    cursor: pointer;
}

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

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

th, td {
    padding: 8px;
    text-align: center;
}