/* Keep the archive's reading rhythm local to its own content. */
.observation-archive {
  margin-block: 3rem;
}

.observation-archive > h2 {
  margin-block: 0 0.75rem;
  line-height: 1.25;
}

.observation-archive > p {
  max-width: 48ch;
  margin-block: 0 2rem;
  line-height: 1.65;
}

.observation-archive article {
  max-width: 52ch;
  margin-block: 2rem;
  padding-block: 1.5rem 0;
  border-block-start: 1px solid currentColor;
  scroll-margin-block-start: 2rem;
}

.observation-archive article h3 {
  margin-block: 0 1rem;
  font-size: 1.125rem;
  line-height: 1.4;
}

.observation-archive article p {
  margin-block: 1rem;
  line-height: 1.75;
}

.observation-archive article .cycle-note {
  max-width: 32ch;
  margin-block: 0 1.5rem;
  font-size: clamp(1.25rem, 1.1rem + 0.75vw, 1.625rem);
  line-height: 1.5;
}

.observation-archive article a {
  text-underline-offset: 0.2em;
}
/* The complete chooser phrase is one padded, wrapping target. */
.observation-index li > a {
  display: block;
  box-sizing: border-box;
  min-height: 2.75rem;
  padding: 0.5rem;
  white-space: normal;
  overflow-wrap: anywhere;
}

.observation-index li {
  min-width: 0;
  max-width: 100%;
}

.observation-index li > a:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 2px;
}