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

body {
  font-family: system-ui, sans-serif;
  background: #f5f5f5;
  color: #4b4b4b;
  min-height: 100vh;
}

.header {
  background: #ffffff;
  border-bottom: 2px solid #3b9702;
  padding: 14px 32px;
}

.header-logo {
  font-size: 20px;
  font-weight: 700;
  color: #3b9702;
  letter-spacing: 0.5px;
}

.layout {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 24px;
  padding: 28px 32px;
  max-width: 1100px;
  margin: 0 auto;
  min-height: calc(100vh - 57px);
}

.left-col {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.card {
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: #ffffff;
}

.section-label {
  font-size: 13px;
  font-weight: 600;
  color: #777777;
  text-transform: uppercase;
}

.input {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid #e0e0e0;
  border-radius: 6px;
  font-size: 14px;
  color: #4b4b4b;
  outline: none;
  transition: border-color 0.15s;
  font-family: inherit;
}

.input:focus {
  border-color: #3b9702;
}

.input::placeholder {
  color: #b0b0b0;
}

.textarea {
  resize: vertical;
  min-height: 76px;
}

.btn {
  width: 100%;
  padding: 10px 16px;
  background: #3b9702;
  color: #ffffff;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s;
  font-family: inherit;
}

.btn:hover {
  background: #2d7301;
}

.right-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.response-label {
  font-size: 14px;
  font-weight: 600;
}

.response-area {
  flex: 1;
  width: 100%;
  padding: 14px;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  background: #ffffff;
  font-size: 13px;
  font-family: "JetBrains Mono", "Fira Code", "Courier New", monospace;
  color: #4b4b4b;
  resize: none;
  outline: none;
  line-height: 1.6;
}