ibody {
  font-family: Arial, sans-serif;
  background: #f5f5f5;
  margin: 0;
  padding: 0;
}

.navbar {
  background: #007bff;
  color: white;
  padding: 12px;
  font-size: 1.2rem;
  font-weight: bold;
  text-align: center;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.container {
  max-width: 650px;
  margin: 20px auto;
  background: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 0 8px rgba(0,0,0,0.08);
}

#chat-output {
  min-height: 200px;
  max-height: 400px;
  overflow-y: auto;
  border: 1px solid #ddd;
  padding: 12px;
  margin-bottom: 12px;
  background: #fafafa;
  white-space: pre-wrap;
  border-radius: 4px;
  font-size: 0.95rem;
  position: relative;
}

.message {
  margin-bottom: 8px;
}

form {
  display: flex;
  gap: 0;
}

#chat-input {
  flex: 1;
  padding: 10px;
  font-size: 1rem;
  border: 1px solid #ccc;
  border-radius: 4px 0 0 4px;
  outline: none;
}

button {
  padding: 0 20px;
  font-size: 1rem;
  border: none;
  background: #007bff;
  color: white;
  cursor: pointer;
  border-radius: 0 4px 4px 0;
}

button:hover {
  background: #0056b3;
}

/* Prism copy button - always visible, prominent */
pre[class*="language-"] {
  position: relative;
  padding-top: 40px; /* space for Copy button */
}

.prism-toolbar {
  position: absolute !important;
  top: 6px !important;
  right: 6px !important;
  opacity: 1 !important;
  z-index: 20 !important;
}

.prism-toolbar button {
  display: inline-block !important;
  background: #007bff !important;
  color: #fff !important;
  border-radius: 4px;
  padding: 3px 8px;
  font-size: 0.85rem;
  font-weight: bold;
  border: none;
  cursor: pointer;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.prism-toolbar button:hover {
  background: #0056b3 !important;
}