.formation-source-desk,
.formation-study-guide {
  --formation-ink: var(--text, #26333f);
  --formation-rule: var(--line, #b8a989);
  color: var(--formation-ink);
}

.formation-source-desk {
  margin: 1.25rem 0;
  padding: 1rem;
  border-block: 1px solid var(--formation-rule);
  border-inline-start: 3px solid #aa8846;
  border-radius: 0 12px 12px 0;
  background: linear-gradient(125deg, rgba(180, 146, 78, .11), transparent 75%);
  overflow-wrap: anywhere;
}

.formation-source-desk h4 {
  margin: .2rem 0 .7rem;
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 1.2rem;
  line-height: 1.3;
}

.formation-source-kicker,
.formation-source-date {
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.formation-source-question {
  font-weight: 650;
}

.formation-source-steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .4rem;
  margin-block: 1rem .5rem;
}

.formation-source-step,
.formation-source-answer,
.formation-source-select select {
  min-height: 44px;
  width: 100%;
  padding: .6rem .7rem;
  border: 1px solid var(--formation-rule);
  border-radius: 7px;
  background: var(--panel, #fffdf8);
  color: inherit;
  font: inherit;
  text-align: start;
  white-space: normal;
}

.formation-source-step,
.formation-source-answer {
  cursor: pointer;
}

.formation-source-step[aria-pressed="true"],
.formation-source-answer[aria-pressed="true"] {
  border-color: #aa8846;
  box-shadow: inset 3px 0 #aa8846;
  font-weight: 650;
}

.formation-source-desk :is(button, select, a, summary):focus-visible,
.formation-study-guide :is(button, summary):focus-visible {
  outline: 3px solid var(--accent, #386b9a);
  outline-offset: 3px;
}

.formation-source-status,
.formation-source-method {
  font-size: .8rem;
  line-height: 1.55;
}

.formation-source-panel {
  padding-block: .4rem;
}

.formation-source-panel h5 {
  margin: .5rem 0;
  font-size: 1rem;
  line-height: 1.4;
}

.formation-source-passage {
  padding-block: .6rem 1rem;
}

.formation-source-passage + .formation-source-passage {
  border-top: 1px solid var(--formation-rule);
}

.formation-source-limit {
  padding-inline-start: .7rem;
  border-inline-start: 2px solid var(--formation-rule);
  font-size: .9em;
}

.formation-source-select {
  display: grid;
  gap: .4rem;
  margin-block: .5rem 1rem;
  font-size: .9rem;
}

.formation-source-select select {
  min-width: 0;
  max-width: 100%;
  text-overflow: ellipsis;
}

.formation-source-excerpt {
  margin: 1rem 0;
}

.formation-source-excerpt blockquote {
  margin: 0;
  padding: .5rem .8rem;
  border-inline-start: 3px solid #aa8846;
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 1.05rem;
}

.formation-source-excerpt figcaption,
.formation-source-reference small {
  display: block;
  margin-top: .4rem;
  font-size: .8rem;
  line-height: 1.5;
}

.formation-source-reference {
  margin-block: .7rem;
}

.formation-source-choices {
  display: grid;
  gap: .6rem;
  min-width: 0;
  margin: 0;
  padding: .7rem 0;
  border: 0;
}

.formation-source-choices legend {
  font-weight: 650;
}

.formation-source-feedback {
  border-inline-start: 3px solid #aa8846;
  padding-inline-start: .7rem;
}

.formation-study-guide {
  margin-block: .8rem;
  font-size: .9rem;
}

.formation-study-guide > summary {
  min-height: 44px;
  padding-block: .6rem;
  cursor: pointer;
  font-weight: 650;
}

.formation-study-links {
  display: grid;
  gap: .5rem;
}

.formation-study-links .formation-study-link {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .3rem;
  min-height: 44px;
  white-space: normal;
  overflow-wrap: anywhere;
}

[data-theme="dark"] .formation-source-desk {
  --formation-ink: var(--text, #e5e7ed);
  --formation-rule: var(--line, #6d6657);
}

[data-theme="dark"] .formation-source-desk :is(.formation-source-step, .formation-source-answer, select) {
  background: var(--panel, #17222c);
}

@media (max-width: 480px) {
  .formation-source-desk {
    padding: .75rem;
  }

  .formation-source-steps {
    font-size: .85rem;
  }
}