/* Original paper/forest/coral visual games. No images, remote fonts or motion requirement. */
.primary-activities-page .pvg-grade-2 .pvg-slot,.primary-activities-page .pvg-grade-2 .pvg-piece{aspect-ratio:1}.primary-activities-page .pvg-grade-4 .pvg-slot,.primary-activities-page .pvg-grade-4 .pvg-piece{aspect-ratio:9/8}
.primary-activities-page .pa-card--matching{background:#eef3df;border-color:#bacbaa}.primary-activities-page .pa-card--puzzle{background:#fff2e4;border-color:#dfc5aa}
.primary-activities-page .pvg-card-art{overflow:hidden;border:1px solid #b0c2a6;border-radius:13px;aspect-ratio:2/1;margin:0 0 20px;background:#fffdf6}.primary-activities-page .pvg-card-art>.pvg-scene{width:100%;height:100%;display:block}.primary-activities-page .pvg-card-art--matching{display:flex;align-items:center;justify-content:center;gap:15px}.primary-activities-page .pvg-card-art--matching svg{width:85px;height:85px}.primary-activities-page .pvg-card-art--matching span{font-size:2rem;color:#244d3a}
.primary-activities-page .pvg-workspace{max-width:860px;margin-left:auto;margin-right:auto}.primary-activities-page .pvg-instruction{font-size:1.12rem;font-weight:750;color:#244d3a;text-align:center;background:#edf2de;border-radius:12px;padding:15px;line-height:1.7}
.primary-activities-page .pvg-matching{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:36px;max-width:600px;margin:24px auto}.primary-activities-page .pvg-card-column{display:grid;gap:14px;min-width:0}.primary-activities-page .pvg-card{position:relative;border:2px solid #82977c;background:#fffdf6;color:#183b2b;border-radius:16px;padding:10px;min-height:130px;font:inherit;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px}.primary-activities-page .pvg-card .pvg-symbol{width:85px;height:85px;display:block;flex-shrink:0}.primary-activities-page .pvg-card-label{font-size:.78rem;font-weight:650;line-height:1.4;max-width:180px}.primary-activities-page .pvg-mark{position:absolute;right:6px;top:5px;min-width:24px;border-radius:50%;font-size:1.4rem;line-height:1.3;background:#fffdf6;color:#163e29;font-weight:800}
.primary-activities-page .pvg-card[aria-pressed=true],.primary-activities-page .pvg-piece[aria-pressed=true]{border:3px solid #8c3e2d;box-shadow:0 0 0 3px #f0caae;background:#fff1df}.primary-activities-page .pvg-card.is-done{border-color:#365e39;background:#e0edcf}.primary-activities-page .pvg-card:disabled,.primary-activities-page .pvg-piece:disabled,.primary-activities-page .pvg-slot:disabled{opacity:1;cursor:default}
.primary-activities-page .pvg-card.is-hint,.primary-activities-page .pvg-piece.is-hint,.primary-activities-page .pvg-slot.is-hint{outline:3px dashed #8c3e2d;outline-offset:3px}.primary-activities-page .pvg-card:focus-visible,.primary-activities-page .pvg-piece:focus-visible,.primary-activities-page .pvg-slot:focus-visible{outline:4px solid #152f4c;outline-offset:4px}
.primary-activities-page .pvg-puzzle-layout{display:flex;flex-direction:column;align-items:center;gap:22px}.primary-activities-page .pvg-reference{width:180px;margin:0;border:1px solid #94a88a;border-radius:12px;padding:7px;background:#f4f4e8}.primary-activities-page .pvg-reference svg{display:block;width:100%;aspect-ratio:3/2;height:auto;border-radius:6px}.primary-activities-page .pvg-reference figcaption{font-size:.76rem;color:#35503b;line-height:1.5;text-align:center;margin-top:8px}
.primary-activities-page .pvg-board,.primary-activities-page .pvg-tray{width:100%;max-width:540px;display:grid;gap:5px;min-width:0}.primary-activities-page .pvg-board{border:3px solid #6b8561;background:#d1dec1;border-radius:12px;padding:7px}.primary-activities-page .pvg-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.primary-activities-page .pvg-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.primary-activities-page .pvg-cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.primary-activities-page .pvg-slot,.primary-activities-page .pvg-piece{position:relative;aspect-ratio:3/2;min-width:0;min-height:44px;border:2px solid #819877;border-radius:6px;padding:0;overflow:visible;background:#fffdf5;cursor:pointer;display:block}.primary-activities-page .pvg-grid-2x3 .pvg-slot,.primary-activities-page .pvg-grid-2x3 .pvg-piece{aspect-ratio:1}.primary-activities-page .pvg-grid-3x4 .pvg-slot,.primary-activities-page .pvg-grid-3x4 .pvg-piece{aspect-ratio:9/8}
.primary-activities-page .pvg-slot .pvg-scene,.primary-activities-page .pvg-piece>.pvg-scene{width:100%;height:100%;position:absolute;inset:0;display:block;border-radius:4px}.primary-activities-page .pvg-slot .pvg-ghost{position:absolute;inset:0;display:none}.primary-activities-page .pvg-slot.is-hint .pvg-ghost{display:block;opacity:.45}.primary-activities-page .pvg-slot-outline{display:grid;place-items:center;position:absolute;inset:0;font-size:1.8rem;color:#627d52}.primary-activities-page .pvg-slot.is-done .pvg-slot-outline{display:none}.primary-activities-page .pvg-piece.is-done{background:#e6eddc}.primary-activities-page .pvg-piece.is-done>.pvg-scene{opacity:.25}.primary-activities-page .pvg-piece.is-done .pvg-mark{font-size:1.8rem;right:calc(50% - 12px);top:calc(50% - 19px)}
.primary-activities-page .pvg-tray{margin:15px auto;gap:12px}.primary-activities-page .pvg-tray-label{font-weight:750;color:#294d34;text-align:center;margin-top:26px}.primary-activities-page .pvg-storage-note{font-size:.8rem;line-height:1.7;color:#486049;margin:16px 0 0}.primary-activities-page .pvg-remember{display:flex;align-items:center;gap:10px;min-height:48px;color:#294c35;font-size:.9rem}.primary-activities-page .pvg-remember input{width:22px;height:22px;accent-color:#365e39}.primary-activities-page .pvg-resume{background:#f6ead9;border:1px solid #c2a37a;border-radius:12px;padding:16px;margin-bottom:20px;line-height:1.7}.primary-activities-page .pvg-resume button{margin:4px;min-height:44px}.primary-activities-page .pvg-offline{max-width:860px;margin-left:auto;margin-right:auto}.primary-activities-page .pvg-offline summary{cursor:pointer;min-height:44px;font-weight:750;padding:12px 0}.primary-activities-page .pvg-paper-pairs{display:grid;grid-template-columns:1fr 1fr;gap:20px}.primary-activities-page .pvg-paper-pairs figure{margin:0}.primary-activities-page .pvg-paper-pairs figure>div{display:flex;align-items:center;gap:10px}.primary-activities-page .pvg-paper-pairs svg{width:75px;height:75px}.primary-activities-page .pvg-paper-pairs figcaption{font-size:.85rem;line-height:1.7}.primary-activities-page .pvg-paper-scene{margin:20px 0;max-width:540px}.primary-activities-page .pvg-paper-scene svg{display:block;width:100%;height:auto;aspect-ratio:3/2}.primary-activities-page .pvg-paper-scene figcaption{margin-top:10px;line-height:1.7}
.primary-activities-page .pa-card--memory{background:#eef1ff;border-color:#b6c2de}.primary-activities-page .pvg-card-art--memory{display:grid;grid-template-columns:1fr 1fr 1fr;place-items:center;gap:8px}.primary-activities-page .pvg-card-art--memory>span{display:grid;place-items:center;width:56px;height:72px;border:2px solid #536985;border-radius:12px;background:#dce5f4;color:#213b59;font-size:1.7rem;font-weight:850}.primary-activities-page .pvg-card-art--memory .pvg-symbol{width:72px;height:72px;display:block}
.primary-activities-page .pvg-memory{width:100%;max-width:660px;margin:24px auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(118px,1fr));gap:13px}.primary-activities-page .pvg-memory-card{position:relative;display:grid;place-items:center;min-width:0;min-height:150px;padding:10px;border:2px solid #596f91;border-radius:17px;background:#eef3fb;color:#193454;font:inherit;cursor:pointer;overflow:hidden}.primary-activities-page .pvg-memory-card>*{grid-area:1/1}.primary-activities-page .pvg-memory-card-back{display:grid;place-items:center;width:70px;height:88px;border:2px solid #435d83;border-radius:14px;background:linear-gradient(135deg,#d4e3ef,#f4f7fb);color:#284a70;font-size:2rem;font-weight:850;line-height:1;box-shadow:inset 0 0 0 5px #edf4fa}.primary-activities-page .pvg-memory-card-face{display:grid;place-items:center;opacity:0;visibility:hidden}.primary-activities-page .pvg-memory-card-face .pvg-symbol{width:76px;height:76px;display:block}.primary-activities-page .pvg-memory-card-label{align-self:end;justify-self:stretch;padding:0 4px;opacity:0;visibility:hidden;color:#183b5a;font-size:.76rem;font-weight:750;line-height:1.25;text-align:center}.primary-activities-page .pvg-memory-card.is-open,.primary-activities-page .pvg-memory-card.is-hint{border:3px solid #8c3e2d;background:#fff1df;box-shadow:0 0 0 3px #f0caae}.primary-activities-page .pvg-memory-card.is-done{border-color:#365e39;background:#e0edcf}.primary-activities-page .pvg-memory-card.is-open .pvg-memory-card-back,.primary-activities-page .pvg-memory-card.is-done .pvg-memory-card-back,.primary-activities-page .pvg-memory-card.is-hint .pvg-memory-card-back{opacity:0;visibility:hidden}.primary-activities-page .pvg-memory-card.is-open .pvg-memory-card-face,.primary-activities-page .pvg-memory-card.is-done .pvg-memory-card-face,.primary-activities-page .pvg-memory-card.is-hint .pvg-memory-card-face,.primary-activities-page .pvg-memory-card.is-open .pvg-memory-card-label,.primary-activities-page .pvg-memory-card.is-done .pvg-memory-card-label,.primary-activities-page .pvg-memory-card.is-hint .pvg-memory-card-label{opacity:1;visibility:visible}.primary-activities-page .pvg-memory-card .pvg-mark{right:7px;top:5px}.primary-activities-page .pvg-memory-card:focus-visible{outline:4px solid #152f4c;outline-offset:4px}
@media(max-width:640px){.primary-activities-page .pvg-matching{gap:16px}.primary-activities-page .pvg-card{padding:8px 5px;min-height:120px;border-radius:12px}.primary-activities-page .pvg-card .pvg-symbol{width:70px;height:70px}.primary-activities-page .pvg-card-label{font-size:.7rem}.primary-activities-page .pvg-instruction{font-size:.92rem;padding:12px 7px}.primary-activities-page .pvg-reference{width:150px}.primary-activities-page .pvg-board{padding:4px;gap:3px}.primary-activities-page .pvg-tray{gap:9px}.primary-activities-page .pvg-paper-pairs{grid-template-columns:1fr}.primary-activities-page .pvg-remember{font-size:.82rem}.primary-activities-page .pvg-card-art--matching svg{width:78px;height:78px}.primary-activities-page .pvg-memory{grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}.primary-activities-page .pvg-memory-card{min-height:124px;padding:7px;border-radius:13px}.primary-activities-page .pvg-memory-card-back{width:52px;height:66px;font-size:1.55rem}.primary-activities-page .pvg-memory-card-face .pvg-symbol{width:60px;height:60px}.primary-activities-page .pvg-memory-card-label{font-size:.64rem}}
@media print{.primary-activities-page .pvg-workspace{display:none!important}.primary-activities-page .pvg-paper-pairs{display:grid!important;grid-template-columns:1fr 1fr}.primary-activities-page .pvg-offline details>*{display:block!important}.primary-activities-page .pvg-offline details::details-content{content-visibility:visible!important}.primary-activities-page .pvg-offline summary{display:none!important}}