* {
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  background: #f5f7f8;
  margin: 0;
  padding: 40px;
}

.page {
  display: flex;
  gap: 40px;
  justify-content: center;
  align-items: flex-start;
}

.panel {
  width: 300px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

input,
textarea,
button {
  width: 100%;
  padding: 10px;
  font-size: 14px;
  border: 1px solid #cfd8dc;
  border-radius: 4px;
}

textarea {
  min-height: 80px;
  resize: vertical;
}

button {
  background: #ffffff;
  cursor: pointer;
  transition: 0.2s;
}

button:hover {
  background: #e8f5e9;
  border-color: #4caf50;
}

.response-box {
  width: 450px;
}

.response-box label {
  display: block;
  margin-bottom: 8px;
  font-weight: bold;
}

#response {
  width: 100%;
  height: 500px;
  background: #ffffff;
  resize: none;
}