body {
  font-family: Arial, sans-serif;
  max-width: 600px;
  margin: 2rem auto;
  background: #f9f9f9;
  padding: 1rem;
  border-radius: 8px;
  box-shadow: 0 0 8px rgba(0,0,0,0.1);
}

h2 {
  text-align: center;
  margin-bottom: 1rem;
}

#chat-log {
  height: 400px;
  overflow-y: auto;
  border: 1px solid #ddd;
  border-radius: 8px;
  background: white;
  padding: 10px;
  margin-bottom: 1rem;
}

.placeholder {
  color: #888;
}

.message {
  max-width: 70%;
  padding: 8px 12px;
  border-radius: 16px;
  margin-bottom: 10px;
  word-wrap: break-word;
}

.user-msg {
  background-color: #007bff;
  color: white;
  margin-left: auto;
  text-align: right;
}

.ai-msg {
  background-color: #e5e5e5;
  color: black;
  margin-right: auto;
  text-align: left;
}

img.preview {
  max-width: 200px;
  border-radius: 8px;
  display: block;
  margin-top: 6px;
}

form {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

textarea {
  resize: none;
  padding: 8px;
  font-size: 16px;
  height: 60px;
  border-radius: 6px;
  border: 1px solid #ccc;
}

input[type="file"] {
  font-size: 14px;
}

button {
  padding: 10px;
  font-size: 16px;
  background-color: #007bff;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.3s;
}

button:hover {
  background-color: #0056b3;
}

#remove-image-btn {
  background-color: #dc3545;
  margin-top: 4px;
  width: fit-content;
  padding: 6px 12px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  color: white;
}

#remove-image-btn:hover {
  background-color: #a71d2a;
}