body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  }
  
  .system-instructions-container {
    width: 100%;
    max-width: 100%;
    padding: 0;
    background-color: transparent;
    box-sizing: border-box;
  }
  
  .header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
  }
  
  .header-row h2 {
    margin: 0;
    font-size: 18px;
  }
  
  #save-btn {
    padding: 6px 14px;
    font-size: 14px;
    background-color: #437efc;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    color: white;
  }
  
  #save-btn:hover {
    background-color: #2565f1;
  }
  
  #sessionPromptTextarea {
    width: 100%;
    min-width: 100px;
    max-width: 100%;       /* Prevent overflowing container */
    min-height: 150px;
    max-height: 70vh;       /* Avoid taking too much screen */
    padding: 10px;
    font-size: 14px;
    resize: both;           /* Allow horizontal + vertical resize */
    overflow: auto;
    border: 1px solid #ccc;
    border-radius: 6px;
    background-color: #ffffff;
    box-sizing: border-box;
    outline: none;
  }