.blt-younger{font-size:1.06rem}.blt-hero{text-align:center}.blt-hero-mascot{margin:0 auto .4rem;display:block}.blt-hud{justify-content:center;align-items:center;gap:.6rem;margin-top:.3rem;display:flex}.blt-section-h{text-align:center;margin:1.4rem 0 .6rem}.blt-activity-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:.8rem;display:grid}.blt-activity-card{background:var(--ff-paper);border:3px solid var(--ff-outline);box-shadow:4px 4px 0 var(--ff-outline);color:var(--ff-anvil);border-top:6px solid var(--pc-select);border-radius:16px;flex-direction:column;gap:.25rem;min-height:96px;padding:1rem;text-decoration:none;display:flex}.blt-activity-card:hover{box-shadow:5px 5px 0 var(--ff-outline);transform:translate(-1px,-1px)}.blt-activity-emoji{font-size:2rem}.blt-activity-card strong{font-size:1.15rem}.blt-activity-blurb{color:var(--ff-anvil);opacity:.85;font-size:.92rem}.blt-stage{flex-direction:column;justify-content:center;align-items:center;gap:1rem;min-height:200px;display:flex}.blt-hint{color:var(--ff-anvil);opacity:.85;margin:0;font-size:1.05rem;font-weight:600}.blt-hear{margin-top:.2rem}.blt-target{background:var(--ff-paper);border:3px solid var(--ff-outline);min-width:96px;min-height:96px;box-shadow:4px 4px 0 var(--ff-outline);border-top:6px solid var(--pc-select);border-radius:18px;justify-content:center;align-items:center;padding:.8rem;display:flex}.blt-arrow{width:44px;height:44px}.blt-arrow-path{fill:var(--ff-forge);stroke:var(--ff-outline);stroke-width:1.5px}.blt-tiles{flex-wrap:wrap;justify-content:center;gap:.8rem;display:flex}.blt-tile{background:var(--ff-warm);min-width:84px;min-height:84px;color:var(--ff-anvil);border:3px solid var(--ff-outline);box-shadow:3px 3px 0 var(--ff-outline);cursor:pointer;border-radius:16px;justify-content:center;align-items:center;padding:.5rem;display:flex}.blt-tile:hover:not(:disabled){transform:translate(-1px,-1px)}.blt-tile:disabled{cursor:default}.blt-tile--shape{color:var(--ff-forge);font-size:2.6rem}.blt-tile--correct{background:var(--pc-correct-bg);border-color:var(--pc-correct)}.blt-tile--wrong{background:var(--pc-incorrect-bg);border-color:var(--pc-incorrect);opacity:.7}.blt-compose{color:var(--ff-forge);align-items:center;gap:.6rem;font-size:2.6rem;display:flex}.blt-plus{color:var(--ff-anvil);font-size:1.8rem;font-weight:800}.blt-part--q{color:var(--ff-anvil)}.blt-scene{width:64px;height:64px;position:relative}.blt-scene-box{border:3px solid var(--ff-anvil);box-sizing:border-box;background:0 0;border-radius:4px;width:32px;height:32px;position:absolute;bottom:4px;left:16px}.blt-scene-dot{background:var(--ff-forge);border-radius:50%;width:16px;height:16px;position:absolute}.blt-scene--over .blt-scene-dot{top:0;left:24px}.blt-scene--under .blt-scene-dot{bottom:-6px;left:24px}.blt-scene--inside .blt-scene-dot{bottom:12px;left:24px}.blt-scene--beside .blt-scene-dot{bottom:12px;left:46px}.blt-stack{flex-direction:column;gap:3px;display:flex}.blt-block{border:2px solid var(--ff-outline);border-radius:4px;width:40px;height:22px}.pc-theme-blocktots.pc-immersive{--pc-env-bg:url(/play/blocktots/env.webp) center / cover no-repeat, linear-gradient(to bottom, #cfe0f0 0%, #dbe4ec 22%, #ece3d0 52%, #f2e7cc 78%, #f6efdb 100%);--pc-env-bg-dark:url(/play/blocktots/env-dark.webp) center / cover no-repeat, linear-gradient(to bottom, #101529 0%, #171d34 40%, #1c2030 72%, #211f2b 100%);--pc-env-bg-flat:url(/play/blocktots/env.webp) center / cover no-repeat, oklab(92.1252% -.00297573 .00963742);--pc-env-bg-flat-dark:url(/play/blocktots/env-dark.webp) center / cover no-repeat, #171d33}.blocktots-kits{border:2px solid var(--ff-outline);border-radius:.9rem;margin-top:.6rem;padding:.7rem .9rem}.blocktots-kits-summary{cursor:pointer;font-weight:800}.blocktots-kits-summary:focus-visible{outline:3px solid var(--ff-focus)}.blt-activity-art{aspect-ratio:3/2;object-fit:cover;border-radius:16px;width:100%;margin-bottom:.4rem;display:block}.blt-patstrip{flex-wrap:wrap;justify-content:center;align-items:center;gap:.6rem;padding:.4rem;display:flex}.blt-patblock{border:3px solid var(--ff-outline);border-radius:12px;justify-content:center;align-items:center;width:54px;height:54px;display:inline-flex}.blt-patblock--q{background:var(--ff-warm);color:var(--ff-forge-text);border-style:dashed;font-size:2rem;font-weight:900}.blt-tile--color{justify-content:center;align-items:center;min-width:72px;min-height:72px;display:inline-flex}.blt-tile--color .blt-patblock{border-width:2px;width:46px;height:46px}.blt-shadow-object{color:var(--pc-select,var(--ff-forge));font-size:3.4rem;line-height:1}.blt-tile--shadow .blt-shadow-glyph{color:var(--ff-ink);opacity:.82;filter:drop-shadow(2px 3px 0 color-mix(in oklab, var(--ff-ink) 22%, transparent));font-size:2.9rem;line-height:1}