body {
  margin: 0;
  min-height: 100vh;
}

.container {
  width: min(980px, 92%);
  margin: 0 auto;
}

.hero {
  padding: 2rem 0 1rem;
}

.hero h1 {
  margin: 0;
  font-size: clamp(1.6rem, 3vw, 2.3rem);
}

.hero p {
  margin-top: 0.6rem;
  color: var(--text-secondary);
}

.card {
  border: 1px solid var(--border-color);
  background: var(--card-bg);
  border-radius: 16px;
  padding: 1rem;
  margin-bottom: 1rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.9rem;
}

label span {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 0.3rem;
  color: var(--text-secondary);
}

input,
select {
  width: 100%;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 0.55rem 0.7rem;
  background: var(--navy-800);
  color: var(--text-primary);
}

select option {
  background: var(--navy-800);
  color: var(--text-primary);
}

.btn-primary,
.btn-secondary {
  margin-top: 0.9rem;
  border: 0;
  border-radius: 10px;
  cursor: pointer;
  padding: 0.62rem 0.9rem;
  font-weight: 600;
}

.btn-primary {
  background: #2563eb;
  color: #fff;
}

.btn-secondary {
  background: #0f172a;
  color: #fff;
}

.output-card code {
  display: block;
  margin-top: 0.2rem;
  padding: 0.8rem;
  border-radius: 10px;
  background: #0f172a;
  color: #e2e8f0;
  font-family: "JetBrains Mono", monospace;
  overflow-x: auto;
}

.label {
  margin: 0;
  color: var(--text-secondary);
}

#resultDesc {
  color: var(--text-secondary);
}