body {
  font-family: Arial, sans-serif;
  background: #f9f9f9;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
}

.container {
  max-width: 600px;
  margin: 40px;
  padding: 20px;
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

header {
  text-align: center;
  margin-bottom: 20px;
}

textarea {
  width: 100%;
  height: 100px;
  margin-bottom: 15px;
  padding: 10px;
  font-size: 16px;
  border-radius: 6px;
  border: 1px solid #ddd;
}

.languages {
  margin-bottom: 15px;
}

button {
  padding: 10px 20px;
  margin-right: 10px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 16px;
}

#translateBtn {
  background: #4caf50;
  color: white;
}

#resetBtn {
  background: #f44336;
  color: white;
}

#copyBtn {
  margin-top: 10px;
  background: #2196f3;
  color: white;
}

.hidden {
  display: none;
}