body {
  background: #f5f6f8;
  font-family: "Segoe UI", sans-serif;
}

.sidebar {
  background-color: #ffffff;
  min-height: 100vh;
  padding: 15px;
  border-right: 1px solid #dee2e6;
}

.chat-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
  background: #f8f9fa;
}

.chat-box {
  flex-grow: 1;
  overflow-y: auto;
  padding: 15px;
}

.message {
  margin: 10px 0;
}

.message.user .bubble {
  background: #198754;
  color: white;
  padding: 10px;
  border-radius: 15px 15px 0 15px;
  max-width: 70%;
  align-self: flex-end;
  margin-left: auto;
}

.message.ai .bubble {
  background: #e9ecef;
  padding: 10px;
  border-radius: 15px 15px 15px 0;
  max-width: 70%;
}

.input-bar {
  display: flex;
  padding: 10px;
  border-top: 1px solid #dee2e6;
  background: white;
}

.input-bar input {
  flex: 1;
  border: none;
  padding: 10px;
  outline: none;
}

.input-bar button {
  border: none;
  background: #198754;
  color: white;
  padding: 10px 20px;
  border-radius: 5px;
}