/* The A2 course home (/a2/) and the reference pages (/reference/). Loaded after
   landing.css or styles.css, and workbook.css. */

/* --- A2 home: hero preview rows hold whole sentences --- */
.a2-home .a2-pvrow { grid-template-columns: 54px 1fr 34px; row-gap: 3px; }
.a2-home .a2-pvrow .ld-pat { grid-row: span 2; font-family: 'DM Sans', sans-serif; font-size: 10.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--workbook-ink); }
.a2-home .a2-pvrow .ld-ex { grid-column: 2; font-size: 15px; line-height: 1.4; }
.a2-home .a2-pvrow .ld-gl { grid-column: 2; grid-row: 2; }
.a2-home .a2-pvrow .ld-spk { grid-column: 3; grid-row: 1 / 3; }
.a2-home .ld-l.done .ld-n { background: var(--workbook-ink); color: #fff; }
.a2-cando { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 28px; }
.a2-section { padding: 44px 36px 8px; }

/* --- placement check --- */
.a2-check { padding: 8px 26px 26px; border: 1px solid var(--border); border-radius: 16px; background: var(--card); }
.a2-check-q { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 10px 20px; margin: 0; padding: 16px 0; border: 0; border-bottom: 1px solid var(--border); }
.a2-check-q legend { float: left; display: flex; align-items: baseline; gap: 12px; width: 100%; padding: 0; font-size: 16px; font-weight: 600; line-height: 1.5; }
.a2-check-q legend em { font-weight: 400; color: var(--text-muted); }
.a2-check-n { display: inline-grid; place-items: center; flex: none; width: 26px; height: 26px; border-radius: 50%; background: var(--workbook-sage); color: var(--workbook-ink); font-size: 12px; font-weight: 700; }
.a2-check-options { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
.a2-check-option { position: relative; display: inline-flex; }
.a2-check-option input { position: absolute; inset: 0; opacity: 0; margin: 0; cursor: pointer; }
.a2-check-option span { display: inline-flex; align-items: center; min-height: 42px; padding: 0 16px; border: 1px solid var(--border); border-radius: 10px; background: var(--workbook-soft); font-size: 14.5px; font-weight: 600; }
.a2-check-option input:hover + span { border-color: var(--workbook-ink); }
.a2-check-option input:checked + span { border-color: var(--workbook-ink); background: var(--workbook-sage); color: var(--workbook-ink); }
.a2-check-option input:focus-visible + span { outline: 3px solid var(--workbook-ink); outline-offset: 2px; }
.a2-check-q.is-right .a2-check-option input:checked + span { border-color: #2d6a4f; background: #e3f1e8; color: #1f5139; }
.a2-check-q.is-wrong .a2-check-option input:checked + span { border-color: var(--accent); background: var(--accent-light); color: var(--accent-dark); }
.a2-check-q.is-wrong .a2-check-option.is-answer span { border-style: dashed; border-color: #2d6a4f; color: #1f5139; }
.a2-check-q.is-unanswered legend { color: var(--accent-dark); }
.a2-check-actions { display: flex; align-items: center; gap: 12px; padding-top: 20px; }
.a2-check-actions .ld-ghost { border: 0; background: transparent; font-family: inherit; cursor: pointer; }
.a2-check-actions .ld-ghost[hidden] { display: none; }
.a2-home .ld-navl.lessons-navl-current { color: var(--accent); }
.a2-check-result { margin-top: 20px; padding: 22px 24px; border-radius: 14px; background: var(--workbook-sage); color: var(--workbook-ink); }
.a2-check-result[hidden] { display: none; }
.a2-check-result:focus { outline: none; }
.a2-check-result .a2-check-score { font: 700 24px/1.3 'Playfair Display', Georgia, serif; margin-bottom: 6px; color: var(--text); }
.a2-check-result p { font-size: 14.5px; line-height: 1.7; }
.a2-check-result ul { margin: 10px 0 4px 18px; font-size: 14.5px; line-height: 1.8; }
.a2-check-result a { color: var(--workbook-ink); font-weight: 700; }
.a2-check-result .ld-btn { display: inline-flex; margin-top: 14px; background: var(--workbook-ink); color: #fff; }

/* --- reference links and certificate --- */
.a2-extras { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; padding-top: 36px; }
.a2-extra { display: flex; flex-direction: column; gap: 8px; padding: 22px; border: 1px solid var(--border); border-radius: 14px; background: var(--card); color: var(--text); text-decoration: none; }
a.a2-extra:hover { border-color: var(--workbook-ink); }
.a2-extra strong { font: 700 19px/1.35 'Playfair Display', Georgia, serif; }
.a2-extra span:not(.a2-extra-tag) { font-size: 14px; line-height: 1.6; color: var(--text-muted); }
.a2-extra-tag { align-self: flex-start; padding: 3px 8px; border-radius: 6px; background: var(--workbook-ink); color: #fff; font-size: 10.5px; font-weight: 700; letter-spacing: .08em; }
.a2-certificate { background: var(--workbook-sage); border-color: var(--workbook-sage-border); }
.a2-extra-link { margin-top: auto; color: var(--workbook-ink); font-size: 14px; font-weight: 700; }

/* --- reference pages --- */
.reference-main { max-width: 1060px; margin: 0 auto; padding: 36px 32px 24px; }
.reference-main .lesson-heading { margin-bottom: 26px; }
.reference-search { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 8px 18px; margin-bottom: 18px; }
.reference-search-label { grid-column: 1 / -1; font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--text-muted); }
.reference-search input { width: 100%; }
.reference-count { font-size: 13px; color: var(--text-muted); white-space: nowrap; }
.reference-table { width: 100%; }
.reference-table td { vertical-align: middle; }
.reference-table td .play-btn { margin-left: 4px; }
.reference-table tr[hidden] { display: none; }
.reference-empty { padding: 16px 0 4px; font-size: 14px; color: var(--text-muted); }
.reference-links { margin-top: 6px; font-size: 14px; line-height: 1.9; }
.reference-links a { color: var(--workbook-ink); font-weight: 600; }
.verb-table { min-width: 720px; }
.terms-table { min-width: 680px; }

@media (max-width: 900px) {
  .a2-section { padding: 36px 24px 8px; }
  .a2-extras { grid-template-columns: 1fr; }
  .reference-main { padding: 28px 24px 20px; }
}

@media (max-width: 600px) {
  .a2-cando { grid-template-columns: 1fr; }
  .a2-section { padding: 32px 20px 8px; }
  .a2-check { padding: 4px 16px 20px; border-radius: 12px; }
  .a2-check-q { grid-template-columns: 1fr; }
  .a2-check-options { justify-content: flex-start; }
  .a2-check-option span { min-height: 44px; }
  .a2-check-actions { flex-wrap: wrap; }
  .a2-check-actions .ld-btn { flex: 1 1 100%; text-align: center; }
  .a2-check-result { padding: 20px 18px; }
  .reference-main { padding: 24px 16px 16px; }
  .reference-search { grid-template-columns: 1fr; }
  /* Verb rows become cards: the infinitive and its forms, labeled. */
  .reference-page .table-scroll { overflow: visible; }
  .reference-table, .verb-table, .terms-table { min-width: 0; }
  .reference-table thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
  .reference-table tbody, .reference-table tr, .reference-table td { display: block; }
  .reference-table tr { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 12px; padding: 14px 0; border-bottom: 1px solid var(--border); }
  .reference-table tr[hidden] { display: none; }
  .reference-table td { padding: 2px 0; border: 0; }
  .reference-table td:first-child { grid-column: 1 / -1; font-size: 16px; }
  .reference-table td:nth-child(2) { grid-column: 1 / -1; color: var(--text-muted); }
  .verb-table td:nth-child(n+3)::before, .terms-table td:nth-child(n+3)::before { display: block; font-size: 10px; font-weight: 600; letter-spacing: .05em; text-transform: uppercase; color: var(--text-muted); }
  .verb-table td:nth-child(3)::before { content: 'Past (ik, hij)'; }
  .verb-table td:nth-child(4)::before { content: 'Past (wij, zij)'; }
  .verb-table td:nth-child(5)::before { content: 'Participle'; }
  .verb-table td:nth-child(6)::before { content: 'Perfect with'; }
  .terms-table td:nth-child(3), .terms-table td:nth-child(4) { grid-column: 1 / -1; }
  .terms-table td:nth-child(3)::before { content: 'Example'; }
  .terms-table td:nth-child(4)::before { content: 'Lesson'; }
}