/* Reset and base styles */
html, body {
  height: 100%;
  margin: 0;
  font-family: Arial, sans-serif;
  color: white;
  /* Remove background: #0a0a0a; */
  overflow: hidden;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  touch-action: none;    /* Prevent touch scrolling/bounce on some browsers */
}

/* Chat container */
#chatbox {
  max-width: 600px;
  margin: 0 auto;
  padding: 10px;
  border-radius: 8px;
  background-image: url('img/background.png');
  box-shadow: 0 0 10px rgba(0, 255, 213, 0.4);
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(2px); /* subtle blur for effect */
  height: 79vh;
}

/* Message display area */
#messages {
  height: 300px;
  overflow-y: auto;
  border: 1px solid #00ffd5;
  padding: 10px;
  background-image: url('img/background-dark.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  border-radius: 4px;
  margin: 10px 10px 10px 10px;
  min-height: 100px;
  max-height: 120vh;
  flex: 1 1 auto;
}