body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #1f1c2c, #928dab);
  color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  direction: rtl;
}
.chat-container {
  width: 95%;
  max-width: 500px;
  background-color: #2c2c3e;
  border-radius: 20px;
  padding: 20px;
  box-shadow: 0 4px 25px rgba(0, 0, 0, 0.4);
  display: flex;
  flex-direction: column;
}
.header {
  text-align: center;
  font-size: 28px;
  font-weight: bold;
  margin-bottom: 10px;
  color: #ffcc70;
}
.chat-box {
  flex: 1;
  height: 400px;
  overflow-y: auto;
  background: #1e1e2e;
  border-radius: 12px;
  padding: 10px;
  margin-bottom: 15px;
  scroll-behavior: smooth;
}
.user-message, .bot-message {
  margin: 10px 0;
  padding: 10px 15px;
  border-radius: 15px;
  max-width: 80%;
  word-wrap: break-word;
  line-height: 1.5;
  font-size: 14px;
}
.user-message {
  background-color: #3e8acc;
  align-self: flex-end;
  text-align: right;
}
.bot-message {
  background-color: #55516d;
  align-self: flex-start;
  text-align: left;
  direction: ltr;
}
form {
  display: flex;
  gap: 10px;
}
input[type="text"] {
  flex: 1;
  padding: 12px;
  border-radius: 10px;
  border: none;
  outline: none;
  font-size: 14px;
  background-color: #fff;
  color: #000;
}
button {
  background-color: #ffcc70;
  color: #000;
  padding: 10px 20px;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  font-weight: bold;
  transition: 0.3s;
}
button:hover {
  background-color: #ffd98e;
}