/* Base */
body {
  background-color: #121212;
  color: #e0e0e0;
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
}

/* Container */
.container {
  max-width: 800px;
  margin: auto;
  padding: 20px;
}

/* Headings */
h2 {
  color: #ffffff;
}

/* Inputs */
input, textarea {
  background-color: #1e1e1e;
  color: #ffffff;
  border: 1px solid #444;
  padding: 8px;
  border-radius: 4px;
}

textarea {
  width: 100%;
  height: 120px;
  resize: vertical;
}

/* Chat area */
.chat {
  background-color: #1a1a1a;
  border: 1px solid #333;
  padding: 10px;
  height: 400px;
  overflow-y: auto;
  margin-bottom: 10px;
  border-radius: 6px;
}

/* Messages */
.user {
  background-color: #2a3b5c;
  color: #e0f0ff;
  padding: 8px 12px;
  border-radius: 6px;
  margin: 6px 0;
  text-align: right;
}

.assistant {
  background-color: #2d2d2d;
  color: #ffffff;
  padding: 8px 12px;
  border-radius: 6px;
  margin: 6px 0;
  text-align: left;
}

.system {
  color: #bbb;
  font-style: italic;
  margin: 6px 0;
  text-align: center;
}

/* Buttons */
button {
  background-color: #333;
  color: #fff;
  border: none;
  padding: 8px 14px;
  margin-right: 5px;
  cursor: pointer;
  border-radius: 4px;
}

button:hover {
  background-color: #555;
}