* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: #f7f7f9;
  color: #111;
}

.app {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px;
  display: grid;
  gap: 16px;
}

.header h1 {
  margin: 0 0 4px;
}

.header p {
  margin: 0;
  opacity: 0.8;
}

.grid {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr 1fr;
}

.card {
  background: #fff;
  border: 1px solid #e4e4e7;
  border-radius: 10px;
  padding: 14px;
}

label {
  display: block;
  font-size: 13px;
  margin-bottom: 6px;
  margin-top: 10px;
}

input,
textarea {
  width: 100%;
  border: 1px solid #cfd0d5;
  border-radius: 8px;
  padding: 10px;
  font-size: 14px;
}

.row {
  margin-top: 12px;
  display: flex;
  gap: 8px;
}

button {
  border: 1px solid #161616;
  border-radius: 8px;
  background: #161616;
  color: #fff;
  font-weight: 600;
  padding: 8px 12px;
  cursor: pointer;
}

button.secondary {
  background: #fff;
  color: #161616;
}

.status {
  min-height: 20px;
  font-size: 13px;
  margin-top: 8px;
  color: #2563eb;
}

.status.error {
  color: #b91c1c;
}

pre {
  margin: 0;
  max-height: 360px;
  overflow: auto;
  background: #0f172a;
  color: #e2e8f0;
  border-radius: 8px;
  padding: 10px;
  font-size: 12px;
}

@media (max-width: 900px) {
  .grid {
    grid-template-columns: 1fr;
  }
}