.flashcard[data-astro-cid-pkg26fly]{perspective:1600px;min-height:22rem;cursor:pointer;outline:none;transition:transform .15s var(--press)}.flashcard[data-astro-cid-pkg26fly]:hover{transform:translateY(-4px)}.flashcard[data-astro-cid-pkg26fly]:focus-visible .flashcard__inner[data-astro-cid-pkg26fly]{outline:2px solid var(--accent);outline-offset:3px}.flashcard__inner[data-astro-cid-pkg26fly]{position:relative;width:100%;height:100%;min-height:22rem;border-radius:var(--radius);transition:transform .5s cubic-bezier(.2,.8,.2,1);transform-style:preserve-3d}.flashcard[data-astro-cid-pkg26fly].is-flipped .flashcard__inner[data-astro-cid-pkg26fly]{transform:rotateY(180deg)}.flashcard__face[data-astro-cid-pkg26fly]{position:absolute;inset:0;backface-visibility:hidden;border-radius:var(--radius);border:2px solid var(--border);background:var(--bg-elevated);box-shadow:var(--shadow);padding:1.75rem;display:flex;flex-direction:column;gap:.9rem;overflow-y:auto}.flashcard__face--back[data-astro-cid-pkg26fly]{transform:rotateY(180deg)}.flashcard__question[data-astro-cid-pkg26fly]{font-size:1.2rem;font-weight:600;line-height:1.4;margin:0}.flashcard__answer-label[data-astro-cid-pkg26fly]{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--accent)}.flashcard__answer[data-astro-cid-pkg26fly]{font-size:1.05rem;font-weight:600;margin:0}.flashcard__explanation[data-astro-cid-pkg26fly]{font-size:.92rem;color:var(--text-muted)}.flashcard__explanation[data-astro-cid-pkg26fly] p:first-child{margin-top:0}.flashcard__explanation[data-astro-cid-pkg26fly] pre{font-size:.82rem}.flashcard__tags[data-astro-cid-pkg26fly]{list-style:none;display:flex;flex-wrap:wrap;gap:.4rem;padding:0;margin:0}.flashcard__tags[data-astro-cid-pkg26fly] li[data-astro-cid-pkg26fly]{font-size:.75rem;color:var(--text-muted);background:var(--accent-soft);padding:.15em .55em;border-radius:999px}.flashcard__hint[data-astro-cid-pkg26fly]{margin-top:auto;font-size:.78rem;color:var(--text-muted)}.clt-demo{border:2px solid var(--border);border-radius:var(--radius);background:var(--bg-elevated);box-shadow:var(--shadow);padding:clamp(1.5rem,4vw,2.5rem);margin-block:1.5rem 3rem}.clt-demo__intro{max-width:40rem;margin-bottom:1.5rem}.clt-demo__eyebrow{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--accent);margin:0 0 .4rem}.clt-demo__intro h2{margin:0 0 .6rem;font-size:1.4rem}.clt-demo__desc{margin:0;color:var(--text-muted)}.clt-demo__controls{display:flex;flex-wrap:wrap;align-items:flex-end;gap:1.5rem;padding:1rem 1.25rem;border:2px solid var(--border);border-radius:var(--radius-sm);margin-bottom:1.5rem}.clt-demo__control-group{display:flex;flex-direction:column;gap:.5rem}.clt-demo__control-label{font-size:.8rem;font-weight:700;color:var(--text-muted)}.clt-demo__control-label span{color:var(--accent);font-weight:800}.clt-demo__pills{display:flex;gap:.4rem;flex-wrap:wrap}.clt-pill{border:2px solid var(--border);background:var(--bg);color:var(--text-muted);font-size:.8rem;font-weight:700;padding:.4em .85em;border-radius:999px;cursor:pointer;transition:transform .15s var(--press),border-color .15s ease,background .15s ease,color .15s ease}.clt-pill:hover{border-color:var(--accent);color:var(--text);transform:translateY(-1px)}.clt-pill[aria-pressed=true]{background:var(--accent);border-color:var(--accent);color:var(--accent-contrast)}#clt-n{accent-color:var(--accent);width:12rem}.clt-demo__charts{display:grid;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));gap:1.5rem}.clt-demo__chart-label{margin:0 0 .5rem;font-size:.8rem;font-weight:700;color:var(--text-muted)}.clt-demo__chart{position:relative;display:flex;align-items:flex-end;gap:2px;border-bottom:1px solid var(--border);padding:0 2px}.clt-demo__chart--population{height:70px}.clt-demo__chart--means{height:160px}.clt-demo__bar{flex:1;min-width:2px;border-radius:3px 3px 0 0;transition:height .25s ease}.clt-demo__chart--population .clt-demo__bar{background:var(--intermediate);opacity:.75}.clt-demo__chart--means .clt-demo__bar{background:var(--accent)}.clt-demo__chart--means .clt-demo__bar:hover{background:var(--select)}.clt-demo__tooltip{position:absolute;bottom:100%;transform:translate(-50%,-6px);background:var(--text);color:var(--bg-elevated);font-size:.75rem;font-weight:600;padding:.3em .6em;border-radius:6px;white-space:nowrap;pointer-events:none;opacity:0;transition:opacity .1s ease;z-index:5}.clt-demo__tooltip.is-visible{opacity:1}.clt-demo__caption{margin:1.25rem 0 0;font-size:.92rem;color:var(--text-muted);text-align:center}.deck-page[data-astro-cid-tgtuilwa]{padding-block:2rem 4rem}.deck-header[data-astro-cid-tgtuilwa]{max-width:40rem;margin-bottom:1.75rem}.deck-header__eyebrow[data-astro-cid-tgtuilwa]{font-size:.85rem;color:var(--text-muted);margin:0 0 .5rem}.deck-header[data-astro-cid-tgtuilwa] h1[data-astro-cid-tgtuilwa]{margin:0 0 .5rem}.deck-header__desc[data-astro-cid-tgtuilwa]{color:var(--text-muted);margin:0}.deck-controls[data-astro-cid-tgtuilwa]{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1rem;padding:1rem 1.25rem;border:2px solid var(--border);border-radius:var(--radius);background:var(--bg-elevated);margin-bottom:1rem}.deck-controls__difficulty[data-astro-cid-tgtuilwa]{display:flex;gap:1rem;flex-wrap:wrap;border:none;padding:0;margin:0;font-size:.9rem}.deck-controls[data-astro-cid-tgtuilwa] label[data-astro-cid-tgtuilwa]{display:inline-flex;align-items:center;gap:.4em;cursor:pointer}.deck-controls__hide-known[data-astro-cid-tgtuilwa]{font-size:.9rem;color:var(--text-muted)}.deck-status[data-astro-cid-tgtuilwa]{display:flex;align-items:center;gap:1rem;font-size:.85rem;color:var(--text-muted);margin-bottom:1.25rem}.deck-status[data-astro-cid-tgtuilwa] #reset-progress[data-astro-cid-tgtuilwa]{margin-left:auto;padding:.35em .8em;font-size:.8rem}.deck[data-astro-cid-tgtuilwa]{position:relative;margin-bottom:1.5rem}.deck[data-astro-cid-tgtuilwa] .flashcard{display:none}.deck[data-astro-cid-tgtuilwa] .flashcard.is-active{display:block}.deck-empty[data-astro-cid-tgtuilwa]{text-align:center;color:var(--text-muted);padding:3rem 1rem;border:1px dashed var(--border);border-radius:var(--radius)}.deck-nav[data-astro-cid-tgtuilwa]{display:flex;flex-wrap:wrap;gap:.75rem;justify-content:center}