.science-language { padding-block: 55px 78px; }
.science-language .section-intro-split { align-items: end; }
.dictionary-intro { display: flex; gap: 32px; justify-content: space-between; align-items: center; margin-bottom: 22px; padding: 19px 24px; background: #eaf1e8; border: 1px solid var(--line); }
.dictionary-intro p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.7; }
.dictionary-intro #language-total { flex: 0 0 auto; color: var(--teal-dark); font-size: 14px; font-weight: 750; }
.language-controls { display: grid; grid-template-columns: 1.2fr 1fr 1fr auto; gap: 18px 14px; padding: 24px; background: #f3f1e8; border: 1px solid var(--line); }
.dictionary-search { grid-column: 1 / -1; }
.language-controls label { display: block; margin-bottom: 8px; color: var(--teal-dark); font-size: 12px; font-weight: 750; }
.language-controls select, .language-controls input { box-sizing: border-box; width: 100%; min-height: 46px; padding: 11px 12px; border: 1px solid #b9cbbf; border-radius: 0; background: var(--white); color: var(--ink); font: 13px/1.4 var(--sans); }
.language-controls input { font-size: 15px; }
.dictionary-search p { margin: 8px 0 0; color: var(--muted); font-size: 11px; line-height: 1.6; }
.dictionary-reset { align-self: end; min-height: 46px; border: 0; padding-inline: 10px; color: var(--teal-dark); background: transparent; text-decoration: underline; font: 600 12px var(--sans); cursor: pointer; }
.science-language :is(button, input, select, summary, a):focus-visible { outline: 2px solid var(--teal); outline-offset: 3px; }
.dictionary-alphabet { display: flex; flex-wrap: wrap; gap: 6px; padding-block: 20px; border-bottom: 1px solid var(--line); }
.dictionary-alphabet button { min-width: 32px; min-height: 34px; padding: 6px; border: 1px solid var(--line); background: var(--white); color: var(--teal-dark); font: 700 12px var(--sans); cursor: pointer; }
.dictionary-alphabet button:first-child { min-width: 43px; }
.dictionary-alphabet button[aria-pressed="true"] { color: var(--white); background: var(--teal-dark); border-color: var(--teal-dark); }
.science-language button:disabled { opacity: .4; cursor: default; }
.language-heading { display: flex; justify-content: space-between; align-items: center; gap: 22px; margin: 29px 0 20px; }
.language-heading h3 { margin: 0; font: 500 28px/1.25 var(--serif); scroll-margin-top: 130px; }
.language-heading p { margin: 8px 0 0; color: var(--teal); font-size: 12px; font-weight: 650; }
.dictionary-actions { display: flex; gap: 9px; flex-wrap: wrap; }
.language-list { display: grid; gap: 12px; }
.dictionary-entry { padding: 23px 27px; background: var(--white); border: 1px solid var(--line); border-left: 3px solid #a9c3b4; }
.dictionary-entry__heading { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; }
.dictionary-entry h4 { margin: 0; color: var(--ink); font: 500 25px/1.25 var(--serif); }
.dictionary-entry__heading p { margin: 0; max-width: 52%; color: var(--teal); text-align: right; font-size: 10px; line-height: 1.6; }
.dictionary-definition { margin: 12px 0 0; max-width: 90ch; color: var(--muted); font-size: 14px; line-height: 1.75; }
.dictionary-examples { margin-top: 16px; border-top: 1px solid var(--line); }
.dictionary-examples summary { display: flex; align-items: center; justify-content: space-between; padding-top: 13px; color: var(--teal-dark); font-size: 12px; font-weight: 750; list-style: none; cursor: pointer; }
.dictionary-examples summary::-webkit-details-marker { display: none; }
.dictionary-examples summary span { font-size: 18px; font-weight: 400; }
.dictionary-examples[open] summary span { transform: rotate(45deg); }
.dictionary-example-pair, .dictionary-teacher-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.dictionary-example-pair { margin-top: 17px; }
.dictionary-example-pair > div { padding: 18px 20px; background: #eef3ec; border-left: 2px solid #b7cdbb; }
.dictionary-teacher-pair { margin-top: 17px; padding: 0 1px; }
.dictionary-entry h5 { margin: 0 0 8px; color: var(--teal-dark); font-size: 11px; font-weight: 750; }
.dictionary-examples__body p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.75; }
.dictionary-example-pair p { color: #355347; }
.dictionary-pagination { display: flex; justify-content: center; align-items: center; gap: 28px; margin-top: 28px; }
.dictionary-pagination p { margin: 0; color: var(--muted); font-size: 12px; }
.dictionary-feedback { min-height: 1.5em; margin: 14px 0 0; color: var(--teal); font-size: 12px; }
.dictionary-reference { margin-top: 25px; padding: 22px 26px; background: #f1f3ec; border: 1px solid var(--line); }
.dictionary-reference summary { color: var(--teal-dark); font-size: 13px; font-weight: 750; cursor: pointer; }
.dictionary-reference p, .dictionary-reference li { color: var(--muted); font-size: 12px; line-height: 1.75; }
.dictionary-reference p { margin: 16px 0 0; }
.dictionary-reference ul { margin: 16px 0 0; padding-left: 19px; }
.dictionary-reference a { color: var(--teal-dark); text-underline-offset: 3px; }
.language-empty { padding: 30px; background: var(--white); border: 1px solid var(--line); color: var(--muted); }
.language-empty h4 { margin: 0; font: 500 23px var(--serif); }
.language-empty p { font-size: 13px; }
@media (max-width: 850px) {
  .dictionary-intro { align-items: start; flex-direction: column; gap: 9px; }
  .language-controls { grid-template-columns: 1fr 1fr; }
  .dictionary-reset { justify-self: start; }
  .language-heading { align-items: start; flex-direction: column; gap: 15px; }
  .dictionary-entry__heading { flex-direction: column; gap: 7px; }
  .dictionary-entry__heading p { text-align: left; max-width: none; }
}
@media (max-width: 600px) {
  .science-language { padding-block: 40px 55px; }
  .dictionary-intro { padding: 18px; }
  .language-controls { grid-template-columns: 1fr; padding: 18px; }
  .dictionary-search { grid-column: auto; }
  .dictionary-actions { align-items: stretch; flex-direction: column; width: 100%; }
  .dictionary-actions button { justify-content: center; }
  .language-heading h3 { font-size: 25px; }
  .dictionary-entry { padding: 21px 18px; }
  .dictionary-entry h4 { font-size: 23px; }
  .dictionary-example-pair, .dictionary-teacher-pair { grid-template-columns: 1fr; gap: 15px; }
  .dictionary-pagination { gap: 12px; }
  .dictionary-pagination button { padding-inline: 13px; }
  .dictionary-reference { padding: 20px 18px; }
}