:root {
    --native-width: 1920;
    --native-height: 1080;
    --aspect: var(--native-width) / var(--native-height);
    --bkg-color-container: #000;
    --bkg-color-stream: #000;
}

body {
    height: 100vh;
    margin: 0;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--bkg-color-container);
}

h1 {
    background-color: #027;
    color: white;
    padding: .25em 1em;
    margin-left: -1em;
    margin-right: -1em;
}

#cmdLineJsonInfo, #envVarsJsonInfo {
    font-size: 11pt;
}

#setupArgs, #setupEnv {
    overflow: scroll;
}

#setupClickToStart > button, #reconnectClickToReconnect > button {
    margin-top: 1em;
    background-color: #070;
    color: white;
    padding: .25em 1em;
    font-size: 150%;
}

#setupValidationError {
    margin-top: 1em;
    font-weight: bold;
    color: darkred;
}

#appError h1, #appReconnectionError h1 {
    background-color: #500;
}

#appDisconnected h1 {
    background-color: #333;
}

#appStreaming h1 {
    background-color: #266;
    margin-bottom: 0;
}

#streamControls {
    margin: .25em 0;
}

#streamVideoContainer {
    aspect-ratio: var(--aspect);
    width: min(100%, min(calc(var(--native-width) * 1px), 100vh * (var(--aspect))));
    display: flex;
    justify-content: center;
    align-items: center;
}

#streamVideoElement {
    background-color: var(--bkg-color-stream) !important;
    height: 100%;
    width: 100%;
}

#appConnecting h1 {
    background-color: #456;
    animation: connectingColorPulse 1s linear alternate-reverse infinite;
}
@keyframes connectingColorPulse {
    to {
        background-color: #058;
    }
}