.logo-img {
    width: 120px;
    height: 120px;
    object-fit: contain;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  }
  .btn-mic {
    position: absolute;
    right: 60px;
    bottom: 15px;
    background: none;
    border: none;
    color: white;
    font-size: 1.4rem;
    z-index: 2;
  }
  
body, html {
    height: 100%;
    margin: 0;
    font-family: sans-serif;
    background: #000;
    color: white;
    overflow-x: hidden;
  }
  
  /* Moving background
  .background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 30%, rgba(230, 243, 54, 0.25), transparent),
            radial-gradient(circle at 80% 70%, rgba(9, 10, 0, 0.2), transparent),
            radial-gradient(circle at 50% 50%, rgba(253, 254, 255, 0.15), transparent),
            #115dea; /* deep techy background base 

    background-size: 400% 400%;
    animation: moveBackground 10s ease infinite;
    z-index: 0;
  }
  
  @keyframes moveBackground {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
  }
  
  .glass {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
  }
   */
   #backgroundCanvas {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 0;
    width: 100%;
    height: 100%;
    display: block;
    background: #0a0f2c; /* dark techy background */
  }

  .glass {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    z-index: 1;
  }

  #chatHistory {
    max-height: 250px;
    overflow-y: auto;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 1rem;
  }
  
  /* Send button inside the textarea */
  #messageForm {
    position: relative;
  }
  
  #userMessage {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: none;
    padding-right: 50px;
    resize: none;
  }
  
  .btn-send {
    position: absolute;
    right: 15px;
    bottom: 15px;
    background: none;
    border: none;
    color: white;
    font-size: 1.6rem;
  }