style.css

body {
  font-family: 'Roboto', sans-serif;
  background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
  color: white;
  margin: 0;
  padding: 0;
}

header {
  text-align: center;
  background: #1f2833;
  padding: 1rem;
}

header h1 {
  font-size: 2rem;
  color: #45a29e;
  text-shadow: 0 0 10px #66fcf1;
}

.chat-container {
  max-width: 800px;
  margin: 2rem auto;
  background: #1f2833;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.5);
}

.chat-output {
  padding: 1rem;
  height: 400px;
  overflow-y: auto;
  background: #0b0c10;
}

.chat-output div {
  margin: 0.5rem 0;
  padding: 0.5rem;
  border-radius: 10px;
}

.chat-output .user {
  text-align: right;
  background: #45a29e;
}

.chat-output .ai {
  text-align: left;
  background: #66fcf1;
}

.chat-input {
  display: flex;
  padding: 1rem;
  background: #1f2833;
}

.chat-input input {
  flex: 1;
  padding: 0.5rem;
  border: 1px solid #45a29e;
  border-radius: 5px;
  margin-right: 0.5rem;
}

.chat-input button {
  background: #45a29e;
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 5px;
}