* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    width: 100vw;
    height: 100vh;
    background-color: #000;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    user-select: none;
}

#game-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

#reaction-video {
    max-width: 100%;
    max-height: 100%;
    /* Ensure video doesn't capture clicks directly if we want the container to handle them */
    pointer-events: none; 
}

#overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: white;
    text-shadow: 0 2px 4px rgba(0,0,0,0.8);
    pointer-events: none; /* Let clicks pass through to body/container */
}

h1 {
    font-size: 2.5rem;
    font-weight: 600;
    white-space: pre-line; /* Handle newlines */
}