/* Dark theme with purple
   primary accent */
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background-color: #121212;
  color: #e0e0e0;
  display: flex;
  flex-direction: column;
  height: 100vh;
}
header {
  background: #1e1e1e;
  padding: 1rem;
  text-align: center;
  font-size: 1.5rem;
  color: #bb86fc;
}
#chat-container {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.message {
  max-width: 80%;
  padding: 0.5rem 0.75rem;
  border-radius: 12px;
  line-height: 1.4;
}
.user {
  align-self: flex-end;
  background: #3700b3;
  color: #fff;
}
.ai {
  align-self: flex-start;
  background: #1f1f1f;
  color: #e0e0e0;
}
#input-area {
  display: flex;
  padding: 0.5rem;
  background: #1e1e1e;
}
#input-area input {
  flex: 1;
  padding: 0.5rem;
  border: none;
  border-radius: 8px;
  margin-right: 0.5rem;
  background: #2c2c2c;
  color: #e0e0e0;
}
#input-area button {
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 8px;
  background: #bb86fc;
  color: #000;
  cursor: pointer;
}
#input-area button:hover {
  background: #d1a3ff;
}