/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f9f9f9;
}

.container {
  width: 90%;
  max-width: 700px;
  margin: auto;
}

/* Header */
.hero {
  background: linear-gradient(to right, #4f46e5, #6366f1);
  color: white;
  padding: 60px 20px;
  text-align: center;
}

.hero h1 {
  font-size: 2rem;
  margin-bottom: 10px;
}

.hero p {
  font-size: 1rem;
  margin-bottom: 20px;
}

.btn-primary {
  display: inline-block;
  padding: 12px 24px;
  background: white;
  color: #4f46e5;
  text-decoration: none;
  font-weight: bold;
  border-radius: 5px;
}

/* Chatbot */
.chatbot {
  padding: 40px 20px;
  background: white;
  text-align: center;
}

#chat-window {
  width: 100%;
  min-height: 150px;
  border: 1px solid #ccc;
  background: #fff;
  padding: 15px;
  overflow-y: auto;
  margin-bottom: 20px;
}

.message {
  padding: 10px 15px;
  margin: 10px 0;
  border-radius: 10px;
  max-width: 80%;
  line-height: 1.4;
}

.user {
  background-color: #e0e0ff;
  align-self: flex-end;
  text-align: right;
}

.bot {
  background-color: #f0f0f0;
  align-self: flex-start;
  text-align: left;
}

.option-button {
  display: block;
  width: 100%;
  padding: 10px;
  margin: 5px 0;
  background: #4f46e5;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-size: 1rem;
}

.option-button:hover {
  background: #3730a3;
}

/* Footer */
.footer {
  padding: 20px 0;
  background: #222;
  color: white;
  text-align: center;
  font-size: 0.9rem;
}

#export-btn {
  display: inline-block;
  margin-top: 20px;
  padding: 10px 20px;
  background-color: #10b981;
  color: white;
  border: none;
  border-radius: 5px;
  font-size: 1rem;
  cursor: pointer;
}

#export-btn:hover {
  background-color: #064e3b;
}

#export-btn:disabled {
  background-color: #9ca3af;
  cursor: not-allowed;
}