body {
  font-family: Inter, Arial, sans-serif;
  margin: 0;
  background: #f8fafc;
  color: #0f172a;
}

.wrap {
  max-width: 1040px;
  margin: 0 auto;
  padding: 32px 18px;
}

.card {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 24px;
  padding: 28px;
  box-shadow: 0 12px 40px rgba(15, 23, 42, .06);
}

.btn {
  display: inline-block;
  text-decoration: none;
  border: 0;
  border-radius: 16px;
  background: linear-gradient(135deg, #0f766e, #14b8a6);
  color: #fff;
  padding: 14px 20px;
  font-weight: 900;
  cursor: pointer;
}

.btn:disabled {
  opacity: .65;
}

.muted {
  color: #64748b;
}

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media(max-width: 800px) {
  .grid {
    grid-template-columns: 1fr;
  }
}

textarea {
  width: 100%;
  min-height: 150px;
  border: 1px solid #cbd5e1;
  border-radius: 16px;
  padding: 14px;
  font-family: monospace;
  font-size: 13px;
  box-sizing: border-box;
}

.error {
  color: #dc2626;
  font-weight: 700;
  margin-top: 14px;
}

.code-title {
  font-weight: 900;
  margin-bottom: 10px;
}

.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
}

.pill {
  display: inline-block;
  background: #ccfbf1;
  color: #0f766e;
  border-radius: 999px;
  padding: 7px 12px;
  font-weight: 800;
  font-size: 12px;
}