#chatIcon {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  cursor: pointer;
  z-index: 1000;
}

#chatContainer {
  display: none;
  flex-direction: column;
  position: fixed;
  bottom: 100px;
  right: 20px;
  width: 400px;
  max-height: 600px;
  background: white;
  border: 1px solid #ccc;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.2);
  z-index: 1000;
}

#chatHeader {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #900;
  color: #fff;
  padding: 8px;
  border-top-left-radius: 8px;
  border-top-right-radius: 8px;
}

#chatHeader button {
  background: transparent;
  border: none;
  color: #fff;
  font-size: 18px;
  cursor: pointer;
}

#chatMessages {
  padding: 8px;
  overflow-y: auto;
  flex: 1;
  height: 200px;
}

.bubble {
  margin: 6px 0;
  padding: 8px 12px;
  border-radius: 16px;
  max-width: 80%;
}

.bubble.user {
  background: #e1ffc7;
  align-self: flex-end;
}

.bubble.bot {
  background: #f1f0f0;
  align-self: flex-start;
}

#chatInputArea {
  display: flex;
  border-top: 1px solid #ccc;
}

#chatInput {
  flex: 1;
  border: none;
  padding: 8px;
  border-bottom-left-radius: 8px;
}

#chatSend {
  padding: 8px 12px;
  border: none;
  background: #900;
  color: #fff;
  cursor: pointer;
  border-bottom-right-radius: 8px;
}
.nav-button {
  color: white;
  background: #900;
  padding: 6px 12px;
  border: none;
  border-radius: 4px;
  text-decoration: none;
  margin-left: 10px;
  font-weight: bold;
}

.nav-button:hover {
  background: #b00;
}