/* Previous Year Papers (student). Builds on mock.css (.md-*) tokens and cards. */
.pg .pyq { display: grid; gap: 18px; }
.pg .pyq-hero { min-height: 110px; }
.pg .pyq-filters { display: grid; grid-template-columns: minmax(200px, 2fr) repeat(5, minmax(0, 1fr)); gap: 10px; padding: 14px; }
.pg .pyq-filters .md-select select { width: 100%; }
.pg .pyq-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 20px; align-items: start; }
.pg .pyq-main { display: grid; gap: 16px; min-width: 0; grid-template-columns: minmax(0, 1fr); }
.pg .pyq-side { display: grid; gap: 16px; position: sticky; top: 92px; }
.pg .pyq-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; }
.pg .pyq-card { padding: 18px; display: flex; flex-direction: column; gap: 8px; }
.pg .pyq-card h3 { margin: 2px 0 0; font-size: 19px; letter-spacing: -.3px; }
.pg .pyq-card__top { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.pg .pyq-card__exam { font-weight: 700; color: var(--blue); font-size: 13px; margin-right: auto; }
.pg .pyq-card__sub { color: var(--muted); margin: 0; font-size: 13.5px; }
.pg .pyq-card__note { color: var(--muted); font-size: 13px; margin: 4px 0 0; }
.pg .pyq-card__cta { display: flex; gap: 8px; margin-top: auto; padding-top: 8px; flex-wrap: wrap; }
.pg .pyq-card__cta .btn { flex: 1; justify-content: center; }
.pg .pyq-b-md { background: var(--blue-soft); color: var(--blue); }
.pg .pyq-b-ai { background: var(--purple-soft); color: #5b35d5; }
.pg .pyq-b-demo { background: #fff4e2; color: #8a5300; }
.pg .md-pill .icon { width: 13px; height: 13px; }
.pg .pyq-aicard { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 14px; align-items: center; padding: 16px 18px; background: linear-gradient(100deg, #f6f2ff, #fff); border-color: #e7defd; }
.pg .pyq-aicard h3 { margin: 0 0 4px; font-size: 16px; }
.pg .pyq-aicard p { margin: 0 0 6px; color: var(--muted); font-size: 13px; }
.pg .pyq-ai { display: grid; gap: 12px; }
.pg .pyq-h2 { font-size: 16px; margin: 0 0 10px; }
.pg .pyq-h3 { font-size: 13px; margin: 14px 0 8px; color: #4a5a78; }
.pg .pyq-topics { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; font-size: 13px; }
.pg .pyq-topics li { display: flex; justify-content: space-between; gap: 8px; }
.pg .pyq-lvl.is-high { color: #c93a3f; }
.pg .pyq-lvl.is-medium { color: #b86e00; }
.pg .pyq-lvl.is-low { color: var(--muted); }
.pg .pyq-back { border: 0; background: none; color: var(--blue); font-weight: 700; display: inline-flex; gap: 6px; align-items: center; padding: 4px 0; justify-self: start; }
.pg .pyq-detail { padding: 22px 24px; display: grid; gap: 10px; }
.pg .pyq-detail h2 { margin: 0; font-size: 24px; letter-spacing: -.6px; }
.pg .pyq-eyebrow { margin: 0; color: var(--muted); font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .6px; }
.pg .pyq-source { display: flex; gap: 12px; align-items: flex-start; background: #f6f9fe; border: 1px solid #dfe9f8; border-radius: 12px; padding: 14px; flex-wrap: wrap; }
.pg .pyq-source > .icon { color: #16a36a; flex: none; margin-top: 2px; }
.pg .pyq-source > div { flex: 1; min-width: 200px; display: grid; gap: 8px; justify-items: start; }
.pg .pyq-source p { margin: 0; font-size: 14px; }
.pg .pyq-source small { color: var(--muted); }
.pg .pyq-unavail { color: #c93a3f !important; font-weight: 600; }
.pg .pyq-external { text-align: center; padding: 30px; display: grid; justify-items: center; gap: 10px; color: var(--muted); }
.pg .pyq-ready { display: flex; justify-content: space-between; align-items: center; gap: 14px; flex-wrap: wrap; padding: 18px 22px; background: linear-gradient(100deg, #edf5ff, #fff); border-color: #d6e6fd; }
.pg .pyq-ready h3 { margin: 0 0 4px; }
.pg .pyq-ready p { margin: 0; color: var(--muted); }
.pg .pyq-related { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.pg .pyq-related button { border: 0; background: none; color: var(--blue); font-weight: 600; padding: 6px 0; text-align: left; }
.pg .pyq-viewer { padding: 0; overflow: hidden; }
.pg .pyq-viewer__bar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; padding: 10px 14px; border-bottom: 1px solid var(--line); background: #fbfcfe; }
.pg .pyq-viewer__title { display: grid; margin-right: auto; }
.pg .pyq-viewer__title span { font-size: 12px; color: var(--muted); }
.pg .pyq-viewer__tools { display: flex; align-items: center; gap: 4px; }
.pg .pyq-viewer__tools button { border: 1px solid var(--line); background: #fff; border-radius: 8px; min-width: 38px; min-height: 38px; display: grid; place-items: center; font-size: 18px; color: var(--text); }
.pg .pyq-viewer__tools button[disabled] { opacity: .4; }
.pg .pyq-viewer__tools span { font-size: 12.5px; min-width: 42px; text-align: center; color: var(--muted); }
.pg .pyq-viewer__page { display: flex; align-items: center; gap: 4px; font-size: 13px; color: var(--muted); }
.pg .pyq-viewer__page input { width: 52px; border: 1px solid var(--line); border-radius: 8px; padding: 6px; text-align: center; }
.pg .pyq-viewer__search { display: flex; gap: 6px; align-items: center; flex: 1 1 260px; }
.pg .pyq-viewer__search input { flex: 1; border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; min-width: 0; }
.pg .pyq-viewer__search span { font-size: 12px; color: var(--muted); white-space: nowrap; }
.pg .pyq-viewer__stage { background: #eef1f6; padding: 12px; overflow: auto; max-height: 80vh; display: flex; justify-content: center; }
.pg .pyq-viewer__stage canvas { background: #fff; box-shadow: 0 2px 10px rgba(16, 35, 79, .12); max-width: none; }
.pg .pyq-viewer:fullscreen { display: flex; flex-direction: column; border-radius: 0; }
.pg .pyq-viewer:fullscreen .pyq-viewer__stage { max-height: none; flex: 1; }
.pg .pyq-viewer__err { color: #c93a3f; padding: 30px; text-align: center; }
.pg .pyq-modes { display: grid; gap: 10px; }
.pg .pyq-mode { display: block; position: relative; cursor: pointer; }
.pg .pyq-mode input[type=radio] { position: absolute; opacity: 0; }
.pg .pyq-mode > span { display: grid; grid-template-columns: auto 1fr; gap: 2px 12px; border: 1.5px solid var(--line); border-radius: 14px; padding: 14px 16px; }
.pg .pyq-mode > span .icon { grid-row: span 2; color: var(--blue); margin-top: 2px; }
.pg .pyq-mode small { color: var(--muted); font-size: 13px; }
.pg .pyq-mode select { grid-column: 2; margin-top: 8px; border: 1px solid var(--line); border-radius: 8px; padding: 8px; }
.pg .pyq-mode input:checked + span { border-color: var(--blue); background: var(--blue-soft); box-shadow: 0 0 0 1px var(--blue) inset; }
.pg .pyq-mode input:focus-visible + span { outline: 3px solid rgba(18, 104, 243, .45); outline-offset: 2px; }
.pg .pyq-modes__err { color: #c93a3f; margin: 0; }
.pg .pyq-independent { color: var(--muted); font-size: 12px; text-align: center; margin: 8px 0 0; }
/* practice-mode answer check in the runner, topic analysis on the result */
.pg .md-option.is-right { border-color: var(--green); background: var(--green-soft); box-shadow: none; }
.pg .md-option.is-wrong { border-color: #f07a7e; background: var(--red-soft); box-shadow: none; }
.pg .md-checked { margin: 14px 24px 0; padding: 12px 14px; border-radius: 12px; background: var(--blue-soft); font-size: 14px; }
.pg .md-checked.is-right { background: var(--green-soft); }
.pg .md-checked.is-wrong { background: var(--red-soft); }
.pg .md-topics { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px 24px; }
.pg .md-topics p { display: flex; justify-content: space-between; margin: 0 0 5px; font-size: 13px; font-weight: 600; }
.pg .md-recs { list-style: none; margin: 0 0 14px; padding: 0; display: grid; gap: 8px; }
.pg .md-recs li { display: flex; justify-content: space-between; gap: 10px; align-items: center; border: 1px solid var(--line); border-radius: 12px; padding: 10px 14px; }
.pg .md-recs small { display: block; color: var(--muted); }
@media (max-width: 1100px) {
	.pg .pyq-layout { grid-template-columns: 1fr; }
	.pg .pyq-side { position: static; }
	.pg .pyq-filters { grid-template-columns: repeat(3, minmax(0, 1fr)); }
	.pg .pyq-filters .md-search { grid-column: 1 / -1; }
}
@media (max-width: 860px) {
	.pg .pyq-filters { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.pg .pyq-aicard { grid-template-columns: 1fr; }
	.pg .pyq-detail { padding: 18px 16px; }
	.pg .pyq-viewer__stage { max-height: 70vh; padding: 6px; }
	.pg .pyq-viewer__tools button { min-width: 44px; min-height: 44px; }
	.pg .pyq-ready .btn { width: 100%; justify-content: center; }
	.pg .md-checked { margin: 12px 14px 0; }
}
/* Public SEO page (site shell, not the app shell) */
.pyq-public { max-width: 900px; margin: 0 auto; padding: 30px 20px 60px; }
.pyq-public h1 { font-size: 30px; margin: 10px 0; }
.pyq-crumbs { display: flex; gap: 6px; flex-wrap: wrap; font-size: 13px; color: #64748b; }
.pyq-public__year { border: 1px solid #e3e8f0; border-radius: 14px; padding: 16px 20px; margin: 16px 0; }
.pyq-public__year ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.pyq-public__year .btn { margin-top: 8px; display: inline-block; }
.pyq-public__note { color: #64748b; font-size: 13px; }
.pg .pyq-side .md-rail__card { min-width: 0; overflow: hidden; }
.pg .pyq-side .md-bars p { gap: 10px; }
/* Exam page section + article footer (site shell) */
.pyq-block__latest { margin: 0 0 12px; }
.pyq-block__years { display: flex; gap: 10px; flex-wrap: wrap; margin: 8px 0 14px; }
.pyq-block__year { display: grid; min-width: 104px; padding: 12px 16px; border: 1px solid #dbe5f3; border-radius: 12px; text-decoration: none; background: #f7faff; }
.pyq-block__year strong { font-size: 20px; color: #0f1f45; }
.pyq-block__year span { font-size: 12.5px; color: #64748b; }
.pyq-block__year:hover { border-color: #1268f3; }
.pyq-block__topics { display: flex; gap: 8px; flex-wrap: wrap; list-style: none; padding: 0; margin: 0 0 14px; }
.pyq-block__topics li { background: #f1f5fb; border-radius: 99px; padding: 5px 12px; font-size: 13px; }
.pyq-block__topics small { color: #b86e00; font-weight: 700; margin-left: 4px; }
.pyq-block__cta { display: flex; gap: 10px; flex-wrap: wrap; }
.pyq-related-box { margin: 28px 0 0; padding: 18px 20px; border: 1px solid #dbe5f3; border-radius: 14px; background: #f7faff; }
.pyq-related-box h2 { font-size: 18px; margin: 0 0 4px; }
.pyq-related-box p { margin: 0; color: #475569; }