.lesson-notes[data-astro-cid-so4rcx5y]{z-index:calc(var(--z-sticky) + 1);position:fixed;inset-block-start:50%;inset-inline-end:.75rem;transform:translateY(-50%)}.lesson-notes__trigger[data-astro-cid-so4rcx5y]{width:2.8rem;border:1px solid var(--color-border);border-radius:var(--radius-pill);background:var(--color-nav-background);min-block-size:2.8rem;color:var(--color-accent);box-shadow:var(--shadow-floating);writing-mode:horizontal-tb;justify-content:center;align-items:center;gap:.35rem;padding:.55rem;display:inline-flex}.lesson-notes[data-astro-cid-so4rcx5y] .ui-button[data-astro-cid-so4rcx5y]:active:not(:disabled){transform:translate(0,0)}.lesson-notes__trigger[data-astro-cid-so4rcx5y]:hover,.lesson-notes__trigger[data-astro-cid-so4rcx5y]:focus-visible{border-color:var(--color-accent);background:var(--color-accent-soft);color:var(--color-accent-strong)}.lesson-notes__icon[data-astro-cid-so4rcx5y]{font-size:1.15rem;line-height:1}.lesson-notes__trigger[data-astro-cid-so4rcx5y]>span[data-astro-cid-so4rcx5y]:not(.lesson-notes__icon){display:none}.lesson-notes__trigger[data-astro-cid-so4rcx5y][data-notes-has-note=true] .lesson-notes__icon[data-astro-cid-so4rcx5y]{color:var(--color-selected-bg)}.lesson-notes__dialog[data-astro-cid-so4rcx5y][hidden]{display:none}.lesson-notes__dialog[data-astro-cid-so4rcx5y]{border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface-raised);width:min(23rem,100vw - 6rem);max-width:23rem;max-height:min(80dvh,42rem);color:var(--color-text);box-shadow:var(--shadow-floating);opacity:0;visibility:hidden;pointer-events:none;transition:transform .22s var(--ease-drawer), opacity .18s var(--ease-out), visibility 0s linear .22s;margin:0;padding:0;position:fixed;inset-block-start:50%;inset-inline-end:4.25rem;overflow:hidden;transform:translateY(calc(.75rem - 50%))scale(.98)}.lesson-notes[data-astro-cid-so4rcx5y][data-notes-state=opening] .lesson-notes__dialog[data-astro-cid-so4rcx5y],.lesson-notes[data-astro-cid-so4rcx5y][data-notes-state=open] .lesson-notes__dialog[data-astro-cid-so4rcx5y]{opacity:1;visibility:visible;pointer-events:none;transition-delay:0s}.lesson-notes[data-astro-cid-so4rcx5y][data-notes-state=closing] .lesson-notes__dialog[data-astro-cid-so4rcx5y]{opacity:0;visibility:visible;pointer-events:none;transition-delay:0s}.lesson-notes[data-astro-cid-so4rcx5y][data-notes-state=open] .lesson-notes__dialog[data-astro-cid-so4rcx5y]{pointer-events:auto;transform:translateY(-50%)scale(1)}.lesson-notes__dialog-inner[data-astro-cid-so4rcx5y]>[data-astro-cid-so4rcx5y]{opacity:0;transition:opacity .18s var(--ease-out), transform .22s var(--ease-out);transform:translateY(8px)}.lesson-notes[data-astro-cid-so4rcx5y][data-notes-state=open] .lesson-notes__dialog-inner[data-astro-cid-so4rcx5y]>[data-astro-cid-so4rcx5y]{opacity:1;transform:translateY(0)}.lesson-notes[data-astro-cid-so4rcx5y][data-notes-state=closing] .lesson-notes__dialog-inner[data-astro-cid-so4rcx5y]>[data-astro-cid-so4rcx5y]{opacity:0;transition-duration:.12s,.14s;transition-delay:0s;transform:translateY(6px)}.lesson-notes[data-astro-cid-so4rcx5y][data-notes-state=open] .lesson-notes__header[data-astro-cid-so4rcx5y]{transition-delay:35ms}.lesson-notes[data-astro-cid-so4rcx5y][data-notes-state=open] .lesson-notes__form[data-astro-cid-so4rcx5y]{transition-delay:70ms}.lesson-notes__dialog-inner[data-astro-cid-so4rcx5y]{max-height:inherit;flex-direction:column;gap:.9rem;padding:1.15rem;display:flex;overflow-y:auto}.lesson-notes__header[data-astro-cid-so4rcx5y]{justify-content:space-between;align-items:center;gap:.75rem;display:flex}.lesson-notes__header[data-astro-cid-so4rcx5y] h2[data-astro-cid-so4rcx5y]{letter-spacing:-.025em;align-items:baseline;gap:.35rem;min-width:0;margin:0;font-size:1.1rem;line-height:1.2;display:flex}.lesson-notes__separator[data-astro-cid-so4rcx5y]{color:var(--color-marker);flex:none}.lesson-notes__material[data-astro-cid-so4rcx5y]{overflow-wrap:anywhere;min-width:0;color:var(--color-muted);letter-spacing:0;font-size:.82rem;font-weight:500}.lesson-notes__close[data-astro-cid-so4rcx5y]{flex:none;width:2.75rem;min-width:2.75rem;padding:0;font-size:1.45rem;line-height:1}.lesson-notes__sync[data-astro-cid-so4rcx5y]{min-width:0;color:var(--color-muted);flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:.2rem .45rem;margin-top:-.35rem;font-size:.72rem;line-height:1.35;display:flex}.lesson-notes__sync[data-astro-cid-so4rcx5y][hidden]{display:none}.lesson-notes__sync-label[data-astro-cid-so4rcx5y]{min-width:0}.lesson-notes__sync-link[data-astro-cid-so4rcx5y]{min-width:0;border-radius:var(--radius-pill);min-block-size:2rem;color:var(--color-accent-strong);white-space:nowrap;background:0 0;padding-inline:.35rem;font-size:.72rem}.lesson-notes__sync-link[data-astro-cid-so4rcx5y]:hover{background:var(--color-accent-soft);color:var(--color-accent-strong)}.lesson-notes__form[data-astro-cid-so4rcx5y]{gap:.75rem;display:grid}.lesson-notes__field[data-astro-cid-so4rcx5y]{display:block}.lesson-notes__field[data-astro-cid-so4rcx5y] textarea[data-astro-cid-so4rcx5y]{resize:none;border:1px solid var(--color-border-strong);border-radius:var(--radius-sm);background:var(--color-background);width:100%;min-height:11rem;max-height:34dvh;color:var(--color-text);padding:.85rem .9rem;line-height:1.55;display:block}.lesson-notes__field[data-astro-cid-so4rcx5y] textarea[data-astro-cid-so4rcx5y]:focus,.lesson-notes__field[data-astro-cid-so4rcx5y] textarea[data-astro-cid-so4rcx5y]:focus-visible{border-color:var(--color-border-strong);outline:none}.lesson-notes__field[data-astro-cid-so4rcx5y] textarea[data-astro-cid-so4rcx5y]:disabled{cursor:not-allowed;opacity:.62}.lesson-notes__status[data-astro-cid-so4rcx5y]{min-width:0;color:var(--color-error);text-overflow:ellipsis;white-space:nowrap;margin:0;font-size:.76rem;line-height:1.35;overflow:hidden}.lesson-notes__status[data-astro-cid-so4rcx5y][hidden]{display:none}.lesson-notes__status[data-astro-cid-so4rcx5y][data-state=error]{color:var(--color-error)}@media (width<=720px){.lesson-notes[data-astro-cid-so4rcx5y]{inset-block-start:auto;inset-block-end:calc(var(--nav-mobile-surface-bottom) + var(--nav-mobile-surface-height) + .25rem);inset-inline-end:.5rem;transform:none}.lesson-notes__trigger[data-astro-cid-so4rcx5y]{width:var(--touch-target);min-block-size:var(--touch-target);box-shadow:var(--shadow-control);padding:.55rem}.lesson-notes__trigger[data-astro-cid-so4rcx5y]>span[data-astro-cid-so4rcx5y]:not(.lesson-notes__icon){display:none}.lesson-notes__dialog[data-astro-cid-so4rcx5y]{width:var(--nav-mobile-surface-width);max-width:none;height:var(--nav-mobile-surface-height);max-height:none;transition:transform .3s var(--ease-drawer), opacity .22s var(--ease-out), visibility 0s linear .3s, inset-block-end .3s var(--ease-drawer), width .3s var(--ease-drawer), height .3s var(--ease-drawer), background-color .22s var(--ease-out), border-color .22s var(--ease-out), box-shadow .22s var(--ease-out);margin:0;inset-block-start:auto;inset-block-end:var(--nav-mobile-surface-bottom);inset-inline:50% auto;transform:translate(-50%)}.lesson-notes[data-astro-cid-so4rcx5y]:is([data-notes-state=opening],[data-notes-state=open],[data-notes-state=closing]) .lesson-notes__trigger[data-astro-cid-so4rcx5y]{opacity:0;pointer-events:none;transform:scale(.84)}.lesson-notes[data-astro-cid-so4rcx5y]:is([data-notes-state=opening],[data-notes-state=open],[data-notes-state=closing]) .lesson-notes__dialog[data-astro-cid-so4rcx5y]{opacity:1;border-radius:var(--radius-lg);box-shadow:none;background:0 0;border-color:#0000}.lesson-notes[data-astro-cid-so4rcx5y][data-notes-state=open] .lesson-notes__dialog[data-astro-cid-so4rcx5y]{height:var(--nav-mobile-surface-expanded-height);transform:translate(-50%)}.lesson-notes[data-astro-cid-so4rcx5y][data-notes-state=closing] .lesson-notes__dialog[data-astro-cid-so4rcx5y]{height:var(--nav-mobile-surface-height);transform:translate(-50%)}.lesson-notes__dialog-inner[data-astro-cid-so4rcx5y]{gap:.75rem;height:100%;max-height:none;padding:.9rem;overflow:hidden}.lesson-notes__form[data-astro-cid-so4rcx5y]{flex:auto;grid-template-rows:minmax(0,1fr) auto;min-height:0}.lesson-notes__field[data-astro-cid-so4rcx5y]{min-height:0}.lesson-notes__field[data-astro-cid-so4rcx5y] textarea[data-astro-cid-so4rcx5y]{border-radius:var(--radius-md);height:100%;min-height:0;max-height:none;overflow-y:auto}.lesson-notes__sync[data-astro-cid-so4rcx5y]{justify-content:initial;grid-template-columns:minmax(0,1fr) auto;margin-top:-.15rem;display:grid}}@media (prefers-reduced-motion:reduce){.lesson-notes__trigger[data-astro-cid-so4rcx5y],.lesson-notes__dialog[data-astro-cid-so4rcx5y],.lesson-notes__dialog-inner[data-astro-cid-so4rcx5y]>[data-astro-cid-so4rcx5y]{transition:none!important}}.material-shell[data-astro-cid-kiioia72]{padding-block:var(--space-page-top) 7rem}.material-shell__article[data-astro-cid-kiioia72]{max-width:none;margin-inline:auto}.material-shell__stack[data-astro-cid-kiioia72]{gap:var(--material-block-gap,clamp(var(--space-lg), 3vw, var(--space-xl)));max-width:none;margin-inline:auto;display:grid}.material-shell__stack[data-astro-cid-kiioia72]>.material-header{padding-bottom:0}.material-shell__stack[data-astro-cid-kiioia72]>.course-v2-action-block{margin-block:0;padding-bottom:0}.material-shell__stack[data-astro-cid-kiioia72]>.practice-block,.material-shell__stack[data-astro-cid-kiioia72]>.sources-block--material,.material-shell__stack[data-astro-cid-kiioia72]>.material-navigation,.material-shell__stack[data-astro-cid-kiioia72]>.comments-section,.material-shell__stack[data-astro-cid-kiioia72]>a{margin-top:0}