/* General Page Layout */
body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f5f6fa;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
}

/* Chat Container */
#chat-container {
  width: 400px;
  background: white;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  padding: 16px;
  display: flex;
  flex-direction: column;
}

/* Chat Title */
#chat-container h1 {
  text-align: center;
  margin-bottom: 16px;
  color: #333;
}

/* Chat Box Area */
#chat-box {
  flex: 1;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 8px;
  overflow-y: auto;
  background: #fafafa;
  margin-bottom: 12px;
}

/* Individual Messages */
.message {
  margin-bottom: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  background: #e7f0ff;
}

.message strong {
  color: #2b4eff;
}

.message .time {
  color: #888;
  font-size: 0.75rem;
  margin-left: 6px;
}

/* Form Layout */
#chat-form {
  display: flex;
  gap: 8px;
}

#chat-form input[type="text"] {
  flex: 1;
  padding: 8px;
  border-radius: 8px;
  border: 1px solid #ccc;
  outline: none;
}

#chat-form input[type="text"]:focus {
  border-color: #2b4eff;
}

#chat-form button {
  background: #2b4eff;
  color: white;
  border: none;
  border-radius: 8px;
  padding: 8px 16px;
  cursor: pointer;
  font-weight: 600;
}

#chat-form button:hover {
  background: #2440d6;
}