.appbar[data-astro-cid-6ejhkn3o]{display:flex;align-items:center;gap:10px;padding:10px 14px 0}.appbar-back[data-astro-cid-6ejhkn3o]{inline-size:40px;block-size:40px;border-radius:50%;flex:none;display:grid;place-items:center;background:var(--aqua-whisper);color:var(--aqua-deep)}.appbar-back[data-astro-cid-6ejhkn3o] svg[data-astro-cid-6ejhkn3o]{inline-size:20px;block-size:20px}.appbar-title[data-astro-cid-6ejhkn3o]{flex:1;min-width:0;font-family:var(--font-display);font-weight:700;font-size:.95rem;color:var(--ink-soft);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.appbar-side[data-astro-cid-6ejhkn3o]{display:flex;gap:6px;flex:none}.appbar-nav[data-astro-cid-6ejhkn3o]{font-family:var(--font-display);font-weight:700;font-size:.82rem;color:var(--aqua-deep);background:var(--aqua-mist);border-radius:var(--r-pill);padding:7px 13px}.vid-wrap[data-astro-cid-6ejhkn3o]{padding:14px 16px 0}.vid[data-astro-cid-6ejhkn3o]{border-radius:var(--r-card);overflow:hidden;background:#0d2123}.vid-sentinel[data-astro-cid-6ejhkn3o]{display:block;block-size:1px;margin-block-end:-1px}.vid-wrap[data-astro-cid-6ejhkn3o].pl-playing{position:sticky;top:0;z-index:45;background:var(--cloud)}.vid-wrap[data-astro-cid-6ejhkn3o].pl-playing.is-stuck .vid[data-astro-cid-6ejhkn3o]{box-shadow:0 12px 28px #102c2e3d}@media(prefers-reduced-motion:no-preference){.vid-wrap[data-astro-cid-6ejhkn3o] .vid[data-astro-cid-6ejhkn3o]{transition:box-shadow .3s var(--ease-out)}}#native-video[data-astro-cid-6ejhkn3o]{width:100%;aspect-ratio:16 / 9;display:block;background:#101616}.vid-thumb[data-astro-cid-6ejhkn3o]{aspect-ratio:16 / 9}#player-host[data-astro-cid-6ejhkn3o] iframe,#player-host[data-astro-cid-6ejhkn3o] #yt-el{width:100%;aspect-ratio:16 / 9;border:0;display:block}.play-badge[data-astro-cid-6ejhkn3o]{inline-size:100%}.play-badge[data-astro-cid-6ejhkn3o] span[data-astro-cid-6ejhkn3o]{inline-size:58px;block-size:58px;font-size:1.15rem}.parts[data-astro-cid-6ejhkn3o]{display:flex;gap:8px;padding-top:12px;flex-wrap:wrap}.parts[data-astro-cid-6ejhkn3o] .pill[data-astro-cid-6ejhkn3o]{background:var(--aqua-whisper)}.parts[data-astro-cid-6ejhkn3o] .pill[data-astro-cid-6ejhkn3o].on{background:var(--aqua);color:#fff}.tt[data-astro-cid-6ejhkn3o]{padding:18px 24px 0}.tt-head[data-astro-cid-6ejhkn3o]{display:flex;align-items:flex-start;gap:14px}.tt-tx[data-astro-cid-6ejhkn3o]{flex:1;min-width:0}.tt[data-astro-cid-6ejhkn3o] h1[data-astro-cid-6ejhkn3o]{font-size:1.7rem;font-weight:800;margin:4px 0 3px}.tt-mt[data-astro-cid-6ejhkn3o]{margin:0;color:var(--ink-soft);font-size:.85rem}.tt-dl[data-astro-cid-6ejhkn3o]{margin-top:8px}.tabzone[data-astro-cid-6ejhkn3o]{margin-top:18px}.tabzone[data-astro-cid-6ejhkn3o] .tabstrip[data-astro-cid-6ejhkn3o]{position:sticky;top:0;z-index:2;background:var(--cloud)}.pane[data-astro-cid-6ejhkn3o]{padding:16px 24px 8px}.hide[data-astro-cid-6ejhkn3o]{display:none}.pane-note[data-astro-cid-6ejhkn3o]{color:var(--ink-soft);font-size:.88rem;margin:0 0 12px}.hw-card[data-astro-cid-6ejhkn3o]{background:var(--sun-soft);border-radius:var(--r-card);padding:16px 20px 18px}.hw-sum[data-astro-cid-6ejhkn3o]{margin:0 0 12px;font-size:.94rem;line-height:1.7}.hw-actions[data-astro-cid-6ejhkn3o]{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.hw-jump[data-astro-cid-6ejhkn3o]{inline-size:auto;background:#fff;border-radius:var(--r-pill);padding:8px 16px;font-weight:700;font-family:var(--font-display);font-size:.85rem;color:var(--aqua-deep)}.hw-pg[data-astro-cid-6ejhkn3o]{background:#fff;border-color:transparent}.card-flat[data-astro-cid-6ejhkn3o]{background:var(--aqua-whisper);border-radius:var(--r-card);padding:16px 20px}.card-flat[data-astro-cid-6ejhkn3o] p[data-astro-cid-6ejhkn3o]{margin:0;color:var(--ink-soft);font-size:.92rem}.tl[data-astro-cid-6ejhkn3o]{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}.tl-row[data-astro-cid-6ejhkn3o]{display:flex;gap:12px;align-items:center;inline-size:100%;text-align:start;padding:11px 14px;border-radius:18px;transition:background .25s var(--ease-out)}.tl-row[data-astro-cid-6ejhkn3o]:hover{background:var(--aqua-whisper)}.tl-row[data-astro-cid-6ejhkn3o] .tl-ts[data-astro-cid-6ejhkn3o]{font-size:.78rem;color:var(--ink-soft);inline-size:52px;flex:none;text-align:center;font-weight:600}.tl-row[data-astro-cid-6ejhkn3o] .tl-nm[data-astro-cid-6ejhkn3o]{flex:1;font-size:.94rem;font-weight:600;line-height:1.4}.tl-row[data-astro-cid-6ejhkn3o].act{background:var(--aqua);color:#fff;box-shadow:var(--shadow-active)}.tl-row[data-astro-cid-6ejhkn3o].act .tl-ts[data-astro-cid-6ejhkn3o]{color:#ffffffd9}.pg[data-astro-cid-6ejhkn3o]{flex:none;font-size:.72rem;font-weight:700;font-family:var(--font-display);color:var(--aqua-deep);background:var(--aqua-mist);border-radius:var(--r-pill);padding:3px 11px;white-space:nowrap}.tl-row[data-astro-cid-6ejhkn3o].act .pg[data-astro-cid-6ejhkn3o]{background:#fcfbf833;color:#fff}#pane-more[data-astro-cid-6ejhkn3o] .erow-chips[data-astro-cid-6ejhkn3o]{display:flex;gap:6px;flex-wrap:wrap;margin-top:5px}.more-sec[data-astro-cid-6ejhkn3o]+.more-sec[data-astro-cid-6ejhkn3o]{margin-top:26px}.more-lbl[data-astro-cid-6ejhkn3o]{margin-bottom:2px}.more-sec[data-astro-cid-6ejhkn3o] .erows[data-astro-cid-6ejhkn3o]>li[data-astro-cid-6ejhkn3o]:first-child{padding-top:10px}.more-shelf[data-astro-cid-6ejhkn3o]{display:none}.chpane[data-astro-cid-6ejhkn3o]{display:flex;flex-direction:column;background:var(--cloud)}.chpane[data-astro-cid-6ejhkn3o][hidden]{display:none}.chpane-bar[data-astro-cid-6ejhkn3o]{position:relative;flex:none;display:flex;align-items:center;gap:10px;padding:12px 16px 8px;background:#fff;border-bottom:1px solid var(--line)}.chpane-bar[data-astro-cid-6ejhkn3o]:before{content:"";position:absolute;top:5px;inset-inline:0;margin-inline:auto;inline-size:38px;block-size:4px;border-radius:2px;background:var(--line)}.chpane-lbl[data-astro-cid-6ejhkn3o]{flex:1;min-width:0;font-family:var(--font-display);font-weight:700;font-size:.9rem;color:var(--aqua-deep);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chpane-x[data-astro-cid-6ejhkn3o]{flex:none;inline-size:32px;block-size:32px;border-radius:50%;display:grid;place-items:center;background:var(--aqua-whisper);color:var(--aqua-deep);font-size:.85rem}.chpane-body[data-astro-cid-6ejhkn3o]{flex:1;min-block-size:0;background:#4a4f52}.chpane-body[data-astro-cid-6ejhkn3o] iframe{display:block;inline-size:100%;block-size:100%;border:0}@media(max-width:1319.9px){.chpane[data-astro-cid-6ejhkn3o]{position:fixed;inset-inline:0;bottom:0;z-index:50;block-size:55dvh;border-radius:18px 18px 0 0;overflow:hidden;box-shadow:0 -14px 44px #102c2e47}.shiur-grid[data-astro-cid-6ejhkn3o].choveret-open #native-video[data-astro-cid-6ejhkn3o]{max-block-size:calc(45dvh - 118px)}.shiur-grid[data-astro-cid-6ejhkn3o].choveret-open .player[data-astro-cid-6ejhkn3o]:not(.pl-fs) #native-video[data-astro-cid-6ejhkn3o]{max-block-size:max(90px,calc(45dvh - 230px))}.shiur-grid[data-astro-cid-6ejhkn3o].choveret-open{padding-block-end:48dvh}}.det-summary[data-astro-cid-6ejhkn3o]{margin:0 0 20px;color:var(--ink-soft);font-size:.92rem;line-height:1.65}.det-sec[data-astro-cid-6ejhkn3o]{margin-top:26px}.det-chips[data-astro-cid-6ejhkn3o]{display:flex;gap:8px;flex-wrap:wrap;margin:0}.det-stats[data-astro-cid-6ejhkn3o]{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:0;background:var(--aqua-whisper);border-radius:var(--r-card);padding:18px 20px}.det-stats[data-astro-cid-6ejhkn3o] dt[data-astro-cid-6ejhkn3o]{color:var(--ink-soft);font-size:.78rem}.det-stats[data-astro-cid-6ejhkn3o] dd[data-astro-cid-6ejhkn3o]{margin:2px 0 0;font-family:var(--font-display);font-weight:700;font-size:1.02rem;color:var(--aqua-deep)}.det-link[data-astro-cid-6ejhkn3o]{display:flex;align-items:center;justify-content:space-between;gap:14px;background:#fff;border-radius:var(--r-card);box-shadow:var(--shadow-card);padding:16px 20px}.det-link[data-astro-cid-6ejhkn3o] b[data-astro-cid-6ejhkn3o]{display:block;font-family:var(--font-display);font-size:1rem}.det-link[data-astro-cid-6ejhkn3o] small[data-astro-cid-6ejhkn3o]{display:block;color:var(--ink-soft);font-size:.8rem;margin-top:2px}.det-arrow[data-astro-cid-6ejhkn3o]{color:var(--aqua);font-size:1.2rem;flex:none}.extras[data-astro-cid-6ejhkn3o]{list-style:none;margin:0;padding:0}.extras[data-astro-cid-6ejhkn3o] a[data-astro-cid-6ejhkn3o]{color:var(--aqua-deep);font-weight:600;font-size:.95rem}.dl[data-astro-cid-6ejhkn3o]{display:flex;gap:10px}.dl-btn[data-astro-cid-6ejhkn3o]{flex:1;text-align:center;background:var(--aqua-whisper);border-radius:16px;padding:12px 4px;font-size:.74rem;color:var(--ink-soft)}.dl-btn[data-astro-cid-6ejhkn3o] b[data-astro-cid-6ejhkn3o]{display:block;font-family:var(--font-display);font-size:.84rem;color:var(--aqua-deep)}.dl-btn[data-astro-cid-6ejhkn3o].off{opacity:.55}.blk[data-astro-cid-6ejhkn3o]{padding:24px 24px 0}.done-blk[data-astro-cid-6ejhkn3o]{padding-bottom:8px}.done-btn[data-astro-cid-6ejhkn3o]{inline-size:100%;border-radius:var(--r-pill);padding:14px;background:var(--aqua);color:#fff;font-family:var(--font-display);font-weight:700;font-size:1rem}.done-btn[data-astro-cid-6ejhkn3o].is-done{background:var(--aqua-mist);color:var(--aqua-deep)}.upnext[data-astro-cid-6ejhkn3o]{position:fixed;inset:0;z-index:60;display:grid;place-items:end center;background:#10222373;padding:0 16px calc(24px + env(safe-area-inset-bottom))}.upnext[data-astro-cid-6ejhkn3o][hidden]{display:none}.upnext-card[data-astro-cid-6ejhkn3o]{inline-size:min(430px,100%);padding:18px 20px}.upnext-lbl[data-astro-cid-6ejhkn3o]{margin:0 0 12px;font-family:var(--font-display);font-weight:700;color:var(--aqua-deep)}.upnext-body[data-astro-cid-6ejhkn3o]{display:flex;gap:14px;align-items:center}.upnext-thumb[data-astro-cid-6ejhkn3o]{inline-size:118px;aspect-ratio:16 / 9;border-radius:var(--r-inner);flex:none}.upnext-nm[data-astro-cid-6ejhkn3o]{display:block;font-family:var(--font-display);font-weight:700;font-size:1.05rem;line-height:1.3;margin:2px 0}.upnext-mt[data-astro-cid-6ejhkn3o]{font-size:.76rem;color:var(--ink-soft)}.upnext-actions[data-astro-cid-6ejhkn3o]{display:flex;gap:10px;margin-top:16px}.upnext-go[data-astro-cid-6ejhkn3o]{flex:1;text-align:center;background:var(--aqua);color:#fff;border-radius:var(--r-pill);padding:12px;font-family:var(--font-display);font-weight:700}.upnext-stay[data-astro-cid-6ejhkn3o]{flex:none;color:var(--ink-soft);font-weight:600;padding:12px 16px}.gate[data-astro-cid-6ejhkn3o]{position:fixed;inset:0;z-index:70;display:grid;place-items:center;background:#0a3c429e;backdrop-filter:blur(3px);padding:24px 16px calc(24px + env(safe-area-inset-bottom))}.gate[data-astro-cid-6ejhkn3o][hidden]{display:none}.gate-card[data-astro-cid-6ejhkn3o]{inline-size:min(400px,100%);padding:26px 24px;text-align:center}.gate-lbl[data-astro-cid-6ejhkn3o]{margin:0;font-family:var(--font-display);font-weight:800;font-size:1.35rem;color:var(--aqua-deep);line-height:1.3}.gate-tx[data-astro-cid-6ejhkn3o]{margin:10px 0 20px;font-size:.95rem;color:var(--ink-soft);line-height:1.6}.gate-go[data-astro-cid-6ejhkn3o]{display:block;background:var(--aqua);color:#fff;border-radius:var(--r-pill);padding:14px;font-family:var(--font-display);font-weight:700;font-size:1rem}@media(min-width:960px){.appbar[data-astro-cid-6ejhkn3o]{padding:14px var(--gut) 0}.vid-wrap[data-astro-cid-6ejhkn3o]{padding:12px var(--gut) 0}.vid-wrap[data-astro-cid-6ejhkn3o].pl-playing,.tabzone[data-astro-cid-6ejhkn3o] .tabstrip[data-astro-cid-6ejhkn3o]{top:var(--topnav-h)}.vid[data-astro-cid-6ejhkn3o]:not(.pl-fs){max-inline-size:calc((70dvh - 110px) * 16 / 9);margin-inline:auto}.tt[data-astro-cid-6ejhkn3o]{padding:24px var(--gut) 0}.tt[data-astro-cid-6ejhkn3o] h1[data-astro-cid-6ejhkn3o]{font-size:2rem}.tt-mt[data-astro-cid-6ejhkn3o]{font-size:.9rem}.tabzone[data-astro-cid-6ejhkn3o]{margin-top:24px}.tabzone[data-astro-cid-6ejhkn3o] .tabstrip[data-astro-cid-6ejhkn3o]{padding-inline:var(--gut)}.pane[data-astro-cid-6ejhkn3o]{padding:20px var(--gut) 8px}.blk[data-astro-cid-6ejhkn3o]{padding:28px var(--gut) 0}.tl[data-astro-cid-6ejhkn3o]{gap:8px}.tl-row[data-astro-cid-6ejhkn3o]{padding:13px 16px;gap:14px}.tl-row[data-astro-cid-6ejhkn3o] .tl-ts[data-astro-cid-6ejhkn3o]{inline-size:58px;font-size:.8rem}.tl-row[data-astro-cid-6ejhkn3o] .tl-nm[data-astro-cid-6ejhkn3o]{font-size:1rem;line-height:1.45}.pg[data-astro-cid-6ejhkn3o]{font-size:.75rem;padding:4px 12px}.done-btn[data-astro-cid-6ejhkn3o]{inline-size:auto;min-inline-size:250px;padding:14px 34px}.dl[data-astro-cid-6ejhkn3o],.det-stats[data-astro-cid-6ejhkn3o],.det-link[data-astro-cid-6ejhkn3o]{max-inline-size:640px}}@media(min-width:1080px){.more-shelf[data-astro-cid-6ejhkn3o]{display:block}#pane-more[data-astro-cid-6ejhkn3o] .erows[data-astro-cid-6ejhkn3o]{display:none}.more-sec[data-astro-cid-6ejhkn3o]+.more-sec[data-astro-cid-6ejhkn3o]{margin-top:18px}.more-shelf[data-astro-cid-6ejhkn3o] .scard{--scard-w: 216px}}@media(min-width:1320px){.shiur-grid[data-astro-cid-6ejhkn3o]{display:grid;grid-template-columns:minmax(0,1fr) clamp(440px,34%,540px);grid-template-areas:"video tabs" "title tabs" "done tabs";align-content:start;column-gap:40px;padding:22px var(--gut) 0}.vid-wrap[data-astro-cid-6ejhkn3o]{grid-area:video;padding:0}.vid-sentinel[data-astro-cid-6ejhkn3o]{grid-area:video;align-self:start}.tt[data-astro-cid-6ejhkn3o]{grid-area:title;padding:22px 4px 0}.tabzone[data-astro-cid-6ejhkn3o]{grid-area:tabs;margin-top:0;position:sticky;top:calc(var(--topnav-h) + 22px);align-self:start;max-block-size:calc(100dvh - var(--topnav-h) - 44px);overflow-y:auto;border-radius:var(--r-card)}.tabzone[data-astro-cid-6ejhkn3o] .tabstrip[data-astro-cid-6ejhkn3o]{top:0}.tabzone[data-astro-cid-6ejhkn3o] .tabstrip[data-astro-cid-6ejhkn3o]{padding-inline:4px;column-gap:16px;row-gap:0;flex-wrap:wrap;justify-content:space-between}.tabzone[data-astro-cid-6ejhkn3o] .tabstrip[data-astro-cid-6ejhkn3o] button[data-astro-cid-6ejhkn3o]{font-size:.9rem}.pane[data-astro-cid-6ejhkn3o]{padding:18px 4px 8px}.tl-row[data-astro-cid-6ejhkn3o]{padding:12px 14px}.blk[data-astro-cid-6ejhkn3o].done-blk{grid-area:done;padding:26px 4px 0}.upnext[data-astro-cid-6ejhkn3o]{place-items:center}.chpane[data-astro-cid-6ejhkn3o]{grid-area:tabs;position:sticky;top:calc(var(--topnav-h) + 22px);align-self:start;block-size:calc(100dvh - var(--topnav-h) - 44px);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-card)}.chpane-bar[data-astro-cid-6ejhkn3o]:before{display:none}.shiur-grid[data-astro-cid-6ejhkn3o].choveret-open .tabzone[data-astro-cid-6ejhkn3o]{display:none}}@media(min-width:1440px){.tt[data-astro-cid-6ejhkn3o] h1[data-astro-cid-6ejhkn3o]{font-size:2.2rem}}