body {
  font-family: system-ui, sans-serif;
  background: #111827;
  color: #e5e7eb;
  max-width: 800px;
  margin: 2rem auto;
  padding: 0 1rem;
}

header h1 {
  margin-bottom: 0.5rem;
}

.card {
  background: #1e293b;
  padding: 1.5rem;
  border-radius: 0.8rem;
  border: 1px solid #334155;
}

label {
  display: block;
  margin-top: 1rem;
  font-weight: 600;
}

input, select, textarea {
  width: 100%;
  margin-top: 0.3rem;
  padding: 0.6rem 0.8rem;
  background: #0f172a;
  border-radius: 0.5rem;
  border: 1px solid #334155;
  color: #e5e7eb;
}

textarea {
  min-height: 220px;
  resize: vertical;
}

button {
  margin-top: 1rem;
  padding: 0.7rem 1.4rem;
  border-radius: 999px;
  background: #2563eb;
  border: none;
  cursor: pointer;
  color: white;
  font-weight: 600;
}

#copyBtn {
  background: #10b981;
  margin-left: 0.7rem;
}

.status {
  margin-top: 0.8rem;
  min-height: 1.5rem;
  font-size: 0.9rem;
  color: #94a3b8;
}

.row-inline {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}