body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(to right, #84f4e0, #ab35ff);
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
}

.chat-container {
  width: 420px;
  background: #ffffff;
  border-radius: 15px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.chat-header {
  background-color: #6c5ce7;
  color: #fff;
  padding: 18px;
  font-size: 20px;
  font-weight: 600;
  text-align: center;
  border-bottom: 1px solid #ddd;
}

.chat-box {
  flex: 1;
  padding: 16px;
  background-color: #fdfdfd;
  overflow-y: auto;
  scroll-behavior: smooth;
  display: flex;
  flex-direction: column;
}

.message {
  margin: 10px;
  padding: 10px 16px;
  border-radius: 20px;
  max-width: 70%;
  line-height: 1.5;
  font-size: 15px;
  display: inline-block;
  word-wrap: break-word;
  box-shadow: 0 1px 5px rgba(0,0,0,0.1);
}

.user-message {
  background-color: #dfe6e9;
  color: #2d3436;
  align-self: flex-end;
  animation: slideInRight 0.3s ease-out;
}

.bot-message {
  background-color: #a29bfe;
  color: white;
  align-self: flex-start;
  animation: slideInLeft 0.3s ease-out;
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-30px); }
  to { opacity: 1; transform: translateX(0); }
}

.input-box {
  display: flex;
  border-top: 1px solid #ccc;
  background: #fff;
  padding: 10px;
}

.input-box input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid #ddd;
  border-radius: 20px;
  font-size: 14px;
  outline: none;
  margin-right: 10px;
}

.input-box button {
  border: none;
  background-color: #6c5ce7;
  color: white;
  padding: 10px 18px;
  border-radius: 20px;
  font-size: 16px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.input-box button:hover {
  background-color: #5a4dcf;
}