/* ICU-EXPEDITION-026 · BVU visual literacy overlay */
.bvu-literacy{margin:clamp(1rem,2.5vw,2rem) 0;padding:clamp(1rem,2.5vw,1.5rem);border:1px solid color-mix(in srgb,currentColor 18%,transparent);border-radius:18px;background:color-mix(in srgb,#111827 86%,transparent)}
.bvu-literacy__head{display:grid;gap:.45rem;margin-bottom:1rem}.bvu-literacy__head h2{margin:0}.bvu-literacy__head p{margin:0;max-width:76ch}.bvu-literacy__grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.85rem}.bvu-literacy__cell{padding:1rem;border:1px solid color-mix(in srgb,currentColor 12%,transparent);border-radius:14px;background:color-mix(in srgb,#fff 4%,transparent)}.bvu-literacy__cell h3{font-size:1rem;margin:0 0 .4rem}.bvu-literacy__cell p{margin:.25rem 0}.bvu-literacy__label{display:inline-flex;align-items:center;gap:.35rem;padding:.25rem .55rem;border-radius:999px;border:1px solid currentColor;font-size:.78rem;font-weight:700;letter-spacing:.02em}.bvu-literacy__label[data-state="unknown"]{border-style:dashed}.bvu-literacy__labs{display:flex;flex-wrap:wrap;gap:.55rem;margin-top:1rem}.bvu-literacy__labs a,.bvu-literacy__media-link{display:inline-flex;min-height:44px;align-items:center;padding:.45rem .7rem;border-radius:999px}.bvu-literacy__boundary{margin-top:1rem;padding:.8rem 1rem;border-left:3px solid currentColor;background:color-mix(in srgb,#fff 4%,transparent)}.bvu-literacy__failure{margin:.75rem 0;padding:.8rem 1rem;border:1px dashed currentColor;border-radius:12px}.bvu-literacy-trail-step{display:grid;grid-template-columns:auto 1fr;gap:1rem;align-items:start;padding:1rem 0;border-top:1px solid color-mix(in srgb,currentColor 14%,transparent)}.bvu-literacy-trail-step__n{display:grid;place-items:center;width:2.2rem;height:2.2rem;border:1px solid currentColor;border-radius:50%;font-weight:800}.bvu-literacy-trail-step h2{margin:.1rem 0 .35rem}.bvu-literacy-trail-meta{display:flex;flex-wrap:wrap;gap:.4rem;margin:.45rem 0}.bvu-literacy-trail-meta span{font-size:.8rem;border:1px solid color-mix(in srgb,currentColor 20%,transparent);border-radius:999px;padding:.2rem .5rem}.bvu-game-feedback .bvu-literacy-feedback{display:block;margin-top:.6rem;padding-top:.6rem;border-top:1px solid color-mix(in srgb,currentColor 18%,transparent)}.bvu-literacy-practice{margin:1rem 0;padding:1rem;border:1px solid color-mix(in srgb,currentColor 14%,transparent);border-radius:16px}.bvu-literacy-practice ul{margin-bottom:0}.bvu-literacy-practice a{min-height:44px;display:inline-flex;align-items:center}
@media(max-width:720px){.bvu-literacy__grid{grid-template-columns:1fr}.bvu-literacy-trail-step{grid-template-columns:1fr}.bvu-literacy-trail-step__n{width:2rem;height:2rem}}
@media(prefers-reduced-motion:reduce){.bvu-literacy *{scroll-behavior:auto!important;transition:none!important;animation:none!important}}