.app {
  display: flex;
  height: 100vh;
}

.sidebar {
  width: 260px;
  background: #202123;
  color: #fff;
  padding: 20px;
}

.content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.chat-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 20px;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
}

.chat-input {
  display: flex;
  gap: 10px;
}

.chat-input input {
  flex: 1;
  padding: 12px;
}

.chat-input button {
  padding: 12px 18px;
}

.msg.user { background: #10a37f; color: #fff; margin: 6px 0; padding: 8px; }
.msg.bot  { background: #eee; margin: 6px 0; padding: 8px; }

.chat-messages {
  width: 100%;
  max-width: 800px;
  margin: 0 auto 20px;
}

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

.msg.user {
  background: #10a37f;
  color: #fff;
  margin-left: auto;
}

.msg.ai {
  background: #f1f1f1;
  color: #111;
}

.chat-messages {
  width: 100%;
  max-width: 900px;
  height: calc(100vh - 160px);
  overflow-y: auto;
  margin-bottom: 20px;
}

.message {
  padding: 12px 16px;
  margin: 10px 0;
  border-radius: 8px;
  max-width: 80%;
}

.message.user {
  background: #16a085;
  color: #fff;
  margin-left: auto;
}

.message.bot {
  background: #eee;
  color: #111;
  margin-right: auto;
}