.theme-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

@media (min-width: 600px) {
  .theme-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.theme-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  text-decoration: none;
  color: var(--text);
  box-shadow: var(--shadow);
  transition: transform 0.08s ease, border-color 0.15s ease;
  cursor: pointer;
}

.theme-card:hover {
  transform: translateY(-1px);
  border-color: var(--accent);
}

.theme-card .label {
  font-weight: 600;
}

.theme-card-main {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  min-width: 0;
}

.theme-card-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.theme-card.special {
  background: var(--accent);
  color: var(--accent-text);
  border-color: var(--accent);
}

.theme-card.special .badge {
  background: rgba(255, 255, 255, 0.18);
  color: var(--accent-text);
}

.theme-card.special .theme-card-meta {
  color: rgba(255, 255, 255, 0.85);
}

.length-picker {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.length-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 0.6rem;
  margin: 1rem 0 1.25rem;
}

.length-btn {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.85rem;
  font-size: 1rem;
  cursor: pointer;
  color: var(--text);
  font-weight: 600;
}

.length-btn:hover:not(:disabled) {
  border-color: var(--accent);
}

.length-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.errors-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  background: var(--wrong-bg);
  border: 1px solid var(--wrong);
  border-radius: var(--radius-sm);
  padding: 0.75rem 0.9rem;
  margin-top: 0.5rem;
  color: var(--wrong);
  font-weight: 500;
  flex-wrap: wrap;
}

.errors-cta .btn {
  background: var(--wrong);
  border-color: var(--wrong);
  color: #fff;
}