:root {
    --bg-color: #f4f4f4;
    --text-color: #333;
    --container-bg: white;
    --shadow-color: rgba(0, 0, 0, 0.1);
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: #222;
        --text-color: #f4f4f4;
        --container-bg: #333;
        --shadow-color: rgba(255, 255, 255, 0.1);
    }
}

body {
    font-family: Arial, sans-serif;
    background-color: var(--bg-color);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    color: var(--text-color);
}

.container {
    text-align: center;
    background-color: var(--container-bg);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 4px 8px var(--shadow-color);
}

h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
}

p {
    font-size: 1.2em;
}