dialog.help-modal {
  width: min(100%, 500px);
  max-height: calc(100dvh - 2rem);
  margin: auto;
  padding: 1.5rem;
  border-top-left-radius: var(--border-radius);
  border-bottom-left-radius: var(--border-radius);
  border: var(--border-size) solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  overflow-y: auto;
}

dialog.help-modal[open] {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

dialog.help-modal::backdrop {
  background: rgba(2, 6, 23, 0.7);
}

.help-modal h2 {
  margin: 0;
}

.help-section {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-top: 1.25rem;
  border-top: var(--border-size) solid var(--color-border);
}

.help-section h3 {
  margin: 0;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
}

.help-section p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.6;
  opacity: 0.85;
}

.help-difficulty-list {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.35rem 0.75rem;
  margin: 0;
}

.help-difficulty-list dt {
  font-size: 0.9rem;
  font-weight: bold;
}

.help-difficulty-list dd {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.5;
  opacity: 0.85;
}