body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f9f9f9;
  margin: 40px auto;
  max-width: 700px;
  color: #333;
  line-height: 1.6;
  padding: 0 20px;
}

h1 {
  text-align: center;
  color: #2c3e50;
  margin-bottom: 30px;
}

#chat-container {
  background: #fff;
  padding: 20px 25px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  margin-bottom: 30px;
  max-height: 300px;
  overflow-y: auto;
}

#chat-messages {
  max-height: 220px;
  overflow-y: auto;
  margin-bottom: 10px;
}

.chat-message {
  padding: 8px 12px;
  border-radius: 15px;
  margin-bottom: 8px;
  max-width: 80%;
  word-wrap: break-word;
}

.chat-message.user {
  background-color: #2980b9;
  color: white;
  align-self: flex-end;
  margin-left: auto;
}

.chat-message.ai {
  background-color: #ecf0f1;
  color: #2c3e50;
  align-self: flex-start;
  margin-right: auto;
}

#chat-form {
  display: flex;
  gap: 10px;
}

#chat-input {
  flex-grow: 1;
  padding: 10px 12px;
  font-size: 16px;
  border-radius: 6px;
  border: 1px solid #ccc;
}

#chat-input:focus {
  border-color: #2980b9;
  outline: none;
}

#chat-form button {
  background-color: #2980b9;
  color: white;
  border: none;
  padding: 12px 20px;
  font-size: 16px;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

#chat-form button:hover {
  background-color: #1c5980;
}

#resume-container {
  background: white;
  padding: 30px 35px;
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.1);
  color: #2c3e50;
  font-size: 16px;
  min-height: 200px;
}

@media (max-width: 600px) {
  body {
    margin: 20px 10px;
    padding: 0 10px;
  }
  #chat-container, #resume-container {
    padding: 20px 15px;
  }
}