/* Start & Restart Buttons */
    .camBlocksButton {
      display: inline-block; padding: 10px; margin: 5px 3px;
      background-color: #2652b3; border: 1px solid #6392f8;
      border-radius: 8px; color: white; font-size: 16px;
      cursor: pointer; transition: background-color 0.3s ease;
    }
    .camBlocksButton:hover,
    #camStartCamBtn:hover, #camAddClassBtn:hover,
    #camStartCaptureBtn:hover, #camStopCaptureBtn:hover,
    #camDownloadModelBtn:hover, #camUploadModelBtn:hover, 
    #camTrainBtn:hover, #camTrainBtn:hover,
    #camPredictBtn:hover, #camStopPredictBtn:hover {
      opacity: 0.8;
    }
    #camStopCamBtn, #camStartCamBtn, #camAddClassBtn,
    #camStartCaptureBtn, #camStopCaptureBtn, #camDownloadModelBtn,
    #camUploadModelBtn, #camTrainBtn, #camTrainBtn, 
    #camPredictBtn, #camStopPredictBtn {
      padding: 10px; margin: 5px 3px; background-color: #2652b3;
      border: 1px solid #6392f8; border-radius: 8px; color: white;
      font-size: 16px; cursor: pointer; transition: background-color 0.3s ease;
    }
    .camBlockiButton {
      display: none; padding: 10px; margin: 5px 3px;
      background-color: #2652b3; border: 1px solid #6392f8;
      border-radius: 8px; color: white; font-size: 16px;
      cursor: pointer; transition: background-color 0.3s ease;
    }
    .camBlockiButton:hover { opacity: 0.8; }
    #camStartAppBtn {
      width: 600px; max-width: 90%; padding: 30px; margin: 0px;
      font-size: 18px;
    }
    #camToggleCropBtn {
      width: 320px; max-width: 90%; margin-bottom: 0px;
    }
    /* Hide container until "Start" is clicked */
    .camHiddenContainer { display: none; }
    /* Crop container hidden initially; toggled by button */
    #camCropContainer {
      display: none; text-align: center;
      width: 320px; max-width: 90%; margin: 0px auto;
      background: #1E2630; border: 1px solid rgba(39, 133, 201, 0.3);
      border-radius: 8px;
    }
    #camStatus, #camPredictionStatus {
      font-size: 150%; text-align: center;
      color: #3a75f7; font-weight: bold;
    }
    select, input[type="number"] {
      font-size: 14px; margin: 5px;
    }
    video#camVideoEl {
      width: 480px; height: 360px; background: black;
      border: 1px solid #999; margin: 5px;
    }

    @media (max-width: 1300px) {
      video#camVideoEl {
        width: 400px; height: 300px;
      }
    }
    @media (max-width: 600px) {
      video#camVideoEl {
        width: 320px; height: 240px;
      }
    }  

    #camHiddenCanvas { display: none; }
    #camClassCountDiv { margin: 10px auto; font-size: 14px; }
    .hidden { display: none; }
    .crop-controls { margin: 10px auto; display: inline-block; }
    .crop-controls label { margin-right: 5px; }
    /* Confusion Matrix & Training Logs images */
    #camConfMatrixImg,
    #camTrainLogImg {
      display: none; max-width: 90%;
      border: 1px solid #e1e3e8; border-radius: 4px;
      margin: 15px auto;
    }
    /* Crop Preview Canvas */
    #camCropPreviewCanvas {
      width: 224px; height: 224px; background-color: #1c1c1c;
      border: 1px solid #999; margin-bottom: 10px;
    }
    #vid { display: flex; justify-content: center; }
    /* Training Parameters Container */
    #camTrainingParameters {
      margin: 10px auto; text-align: center;
    }
    #camContent {
      margin: 0px auto; width: 94%; max-width: 800px;
    }