    :root {
      --bg-color: #111;
      --text-color: #0ff;
      --highlight-color: #fff;
    }
    body {
      margin: 0;
      padding: 0;
      background-color: var(--bg-color);
      color: var(--text-color);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      height: 100vh;
      font-family: 'Segoe UI', sans-serif;
      text-align: center;
      transition: background-color 0.2s;
    }
    #container {
      display: flex;
      flex-direction: column;
      gap: 1em;
      padding: 1em;
      width: 90%;
      max-width: 600px;
      z-index: 10;
    }
    select, input{
      padding: 0.7em;
      font-size: 1em;
      border: none;
      border-radius: 8px;
    }
    select, input {
      width: 20rem;
      height: 3rem;
      margin: 0.4rem;
      box-sizing: border-box;
    }
    button {
      background-color: #0ff;
      color: #000;
      font-weight: bold;
      cursor: pointer;
      padding: 0.5em;
      font-size: 2em;
      border: none;
      border-radius: 8px;
    }
    #countdown {
      font-size: 4em;
      font-weight: bold;
      z-index: 10;
    }
    #timecode {
      font-size: 1.5em;
      margin-top: 1em;
      color: #fff;
    }
    
    #sceneDescriptionDisplay {
      font-size: 1.2em;
      color: #fff;
      margin-top: 0.5em;
    }
    
    #qr {
      margin-top: 1em;
    }
    canvas {
      display: block;
      margin: 0 auto;
      background: #fff;
      padding: 1em;
      border-radius: 10px;
    }
    @media (orientation: landscape) {
      #container {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
      }
    }

    /* Flash screen styles */
    #flashOverlay {
      position: fixed;
      top: 0; left: 0; right: 0; bottom: 0;
      background-color: white;
      color: black;
      display: none;
      flex-direction: column;
      align-items: center;
      justify-content: flex-start;
      padding: 1vh 2vw;
      z-index: 9999;
    }
    #flashTimecode {
      font-size: 5vw;
      font-weight: bold;
      margin-bottom: 1vh;
      user-select: none;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    #flashQR {
      flex-grow: 1;
      max-height: 90vh;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    #flashQR canvas {
      max-height: 100%;
      max-width: 90vw;
      border-radius: 10px;
      box-shadow: 0 0 20px rgba(0,0,0,0.3);
    }
    
    #sceneDescriptionDisplay {
        color: black;
      font-size: 5vw;
      font-weight: bold;
      margin-top: 1vh;
      user-select: none;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }