body {
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}
.container {
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    max-width: 500px;
    width: 100%;
}
input, button {
    padding: 0.5rem;
    margin: 0.5rem;
    border: none;
    border-radius: 5px;
}
button {
    background: #4CAF50;
    color: white;
    cursor: pointer;
}
button:hover {
    background: #45a049;
}
video {
    margin-top: 1rem;
    max-width: 100%;
}