* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

body {
  background-color: #e6f0fa;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

header {
  background-color: #4dabf7;
  padding: 10px;
  text-align: center;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.logo {
  max-width: 150px;
  height: auto;
}

main {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.chat-container {
  width: 100%;
  max-width: 600px;
  background-color: #f1f9ff;
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.output-field {
  height: 300px;
  overflow-y: auto;
  background-color: #ffffff;
  border: 1px solid #a3cffa;
  border-radius: 5px;
  padding: 10px;
  margin-bottom: 20px;
  font-size: 14px;
}

.input-container {
  display: flex;
  gap: 10px;
}

#chatInput {
  flex: 1;
  padding: 10px;
  border: 1px solid #a3cffa;
  border-radius: 5px;
  font-size: 14px;
}

#chatInput:focus {
  outline: none;
  border-color: #4dabf7;
  box-shadow: 0 0 5px rgba(77, 171, 247, 0.5);
}

button {
  padding: 10px 20px;
  background-color: #4dabf7;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-size: 14px;
}

button:hover {
  background-color: #339af0;
}

footer {
  background-color: #4dabf7;
  color: white;
  text-align: center;
  padding: 10px;
  font-size: 12px;
}