.page_root__rfR80{padding-block:2rem}.page_breadcrumb__Bgx12{display:flex;align-items:center;gap:.25rem;font-size:var(--text-sm);color:var(--color-muted);margin-bottom:1.25rem;flex-wrap:wrap}.page_breadcrumbLink__rf3lP{color:var(--color-primary);text-decoration:none;font-weight:500}.page_breadcrumbLink__rf3lP:hover{text-decoration:underline}.page_breadcrumbSep__TjBu2{color:var(--color-border)}.page_breadcrumbCurrent__6et98{color:var(--color-muted)}.page_layout__Op8lO{display:grid;grid-template-columns:1fr 300px;grid-gap:2rem;gap:2rem;align-items:start}@media (max-width:1024px){.page_layout__Op8lO{grid-template-columns:1fr 260px}}@media (max-width:860px){.page_layout__Op8lO{grid-template-columns:1fr}}.page_layout__Op8lO.page_layoutStacked__WHv4G{grid-template-columns:1fr}.page_mainColumn__PLFwd{min-width:0}.page_title__3jUdt{font-size:var(--text-2xl);font-weight:800;letter-spacing:-.02em;margin-bottom:1rem;line-height:1.3}.page_videoWrapper__Oc7cU{background:#000;border-radius:var(--radius-lg);overflow:hidden;margin-bottom:1.25rem}.page_videoIframe__fuObj{position:absolute;inset:0;width:100%;height:100%;border:none}.page_lockedBlock__EcNPD{display:flex;flex-direction:column;align-items:center;text-align:center;padding:3rem 2rem;border:2px dashed var(--color-border);border-radius:var(--radius-lg);background:var(--color-bg-subtle);gap:.75rem;margin-bottom:1.25rem}.page_lockedIcon__kINqT{font-size:3rem;margin:0}.page_lockedTitle__v_IRT{font-size:var(--text-xl);font-weight:700}.page_lockedDesc__29Y0d{font-size:var(--text-sm);color:var(--color-muted);max-width:36ch}.page_lockedCta___aHV9{display:inline-flex;align-items:center;padding:.625rem 1.5rem;background:var(--color-primary);color:var(--color-primary-fg);border-radius:var(--radius-md);font-size:var(--text-sm);font-weight:700;text-decoration:none;margin-top:.5rem}.page_lockedCta___aHV9:hover{background:var(--color-primary-hover)}.page_playerPlaceholder__cSNna{aspect-ratio:16/9;display:flex;align-items:center;justify-content:center;background:var(--color-bg-subtle);border-radius:var(--radius-lg);color:var(--color-muted);font-size:var(--text-sm);margin-bottom:1.25rem}.page_actions__LW5zX{align-items:center;gap:1rem;padding-block:1rem;border-top:1px solid var(--color-border);border-bottom:1px solid var(--color-border)}.page_actions__LW5zX,.page_libraryLinks__4Cs_v{display:flex;flex-wrap:wrap;margin-bottom:1.5rem}.page_libraryLinks__4Cs_v{gap:.5rem}.page_libraryLink__HfMja{display:inline-flex;align-items:center;gap:.3rem;font-size:var(--text-sm);font-weight:600;color:var(--color-fg);background:var(--color-bg-subtle);border:1px solid var(--color-border);border-radius:999px;padding:.4rem .85rem;text-decoration:none;transition:border-color var(--duration-fast,.15s) ease,transform var(--duration-fast,.15s) ease}.page_libraryLink__HfMja:hover{border-color:var(--color-primary);transform:translateY(-1px)}.page_ratingStars__fm3T1{display:flex;align-items:center;gap:.25rem}.page_ratingLabel__n9usD{font-size:var(--text-sm);color:var(--color-muted);font-weight:500;margin-right:.25rem}.page_ratingStar__FBksK{background:none;border:none;cursor:pointer;font-size:1.5rem;line-height:1;min-width:var(--touch-target,44px);min-height:var(--touch-target,44px);display:inline-flex;align-items:center;justify-content:center;padding:0;transition:transform .1s}.page_ratingStar__FBksK:hover{transform:scale(1.15)}.page_ratingStarFilled__Yv_JD{color:#f59e0b}.page_ratingStarEmpty__67b_s{color:var(--color-border)}.page_ratingValue__h7vIM{font-size:var(--text-sm);color:var(--color-muted);margin-left:.25rem}.page_bookmarkButton__ZhAG3{display:inline-flex;align-items:center;gap:.25rem;padding:.375rem .875rem;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg);color:var(--color-muted);font-size:var(--text-sm);font-weight:500;cursor:pointer;transition:background .1s,color .1s}.page_bookmarkButton__ZhAG3:hover{background:var(--color-bg-subtle);color:var(--color-fg)}.page_bookmarkButtonActive__2zi9S{background:color-mix(in srgb,var(--color-primary) 10%,var(--color-bg));color:var(--color-primary);border-color:var(--color-primary)}.page_descriptionSection__GiwG2{margin-bottom:1.5rem}.page_descriptionTitle__lB7bN{font-size:var(--text-lg);font-weight:700;margin-bottom:.5rem}.page_description__txrcI{font-size:var(--text-sm);color:var(--color-muted);line-height:1.8;white-space:pre-wrap}.page_courseNav__LvrRs{border-top:1px solid var(--color-border);padding-top:1.25rem;margin-top:1.5rem}.page_courseNavButtons__z1UKZ{display:flex;justify-content:space-between;gap:.75rem;margin-bottom:1rem}.page_courseNavBtn__dbY78{display:inline-flex;align-items:center;padding:.5rem .875rem;border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:var(--text-sm);font-weight:500;text-decoration:none;color:var(--color-fg);background:var(--color-bg);transition:background .1s;max-width:48%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.page_courseNavBtn__dbY78:hover{background:var(--color-bg-subtle)}.page_courseContents__JLU4k{border:1px solid var(--color-border);border-radius:var(--radius-md);padding:.5rem 1rem}.page_courseContentsSummary__xHTIw{font-size:var(--text-sm);font-weight:600;cursor:pointer;color:var(--color-muted);list-style:none;padding:.5rem 0}.page_courseContentsSummary__xHTIw::-webkit-details-marker{display:none}.page_courseContentsList__uOEZq{margin:.5rem 0 0;padding-left:1.25rem;display:flex;flex-direction:column;gap:.375rem}.page_courseContentsItem__lGaLO{font-size:var(--text-sm)}.page_courseContentsLink__4RXJ8{color:var(--color-primary);text-decoration:none}.page_courseContentsLink__4RXJ8:hover{text-decoration:underline}.page_courseContentsCurrentItem__hMGj2{font-weight:700;color:var(--color-fg)}.page_sidebar__MY4p3{position:-webkit-sticky;position:sticky;top:1rem}.page_notesPanel__BMGkz{border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:1.25rem;display:flex;flex-direction:column;gap:1rem;background:var(--color-bg)}.page_notesPanelTitle__VJ_RB{font-size:var(--text-lg);font-weight:700;margin:0}.page_noteForm__r4Vob{display:flex;flex-direction:column;gap:.5rem}.page_noteTextarea__LdI2V{width:100%;padding:.5rem .75rem;border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:var(--text-sm);font-family:var(--font-base);resize:vertical;background:var(--color-bg);color:var(--color-fg)}.page_noteTextarea__LdI2V:focus{outline:2px solid var(--color-primary);outline-offset:1px}.page_noteTimestampHint__KGXwX{font-size:var(--text-xs);color:var(--color-muted)}.page_noteError___XfRY{font-size:var(--text-xs);color:var(--color-error)}.page_noteAddButton____W_Y{align-self:flex-start;padding:.375rem .875rem;background:var(--color-primary);color:var(--color-primary-fg);border:none;border-radius:var(--radius-md);font-size:var(--text-sm);font-weight:600;cursor:pointer}.page_noteAddButton____W_Y:hover:not(:disabled){background:var(--color-primary-hover)}.page_noteAddButton____W_Y:disabled{opacity:.6;cursor:not-allowed}.page_noteList__7sitJ{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.5rem;max-height:400px;overflow-y:auto}.page_noteEmpty__8_3pt{font-size:var(--text-sm);color:var(--color-muted);text-align:center;padding:1rem}.page_noteItem__zuJCK{display:flex;align-items:flex-start;gap:.5rem;padding:.625rem;background:var(--color-bg-subtle);border-radius:var(--radius-md)}.page_noteContent___BbcY{flex:1 1;min-width:0}.page_noteTimestamp__F7JeY{display:inline-block;font-size:var(--text-xs);font-weight:700;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;color:var(--color-primary);background:none;border:none;padding:0;cursor:pointer;margin-bottom:.25rem;text-decoration:underline}.page_noteTimestamp__F7JeY:hover{color:var(--color-primary-hover)}.page_noteText__Dpnmy{font-size:var(--text-sm);line-height:1.5;word-break:break-word}.page_noteDeleteButton__GfG9M{flex-shrink:0;width:var(--touch-target,44px);height:var(--touch-target,44px);display:flex;align-items:center;justify-content:center;background:none;border:none;color:var(--color-muted);cursor:pointer;border-radius:var(--radius-sm);font-size:var(--text-sm)}.page_noteDeleteButton__GfG9M:hover{background:var(--color-border);color:var(--color-fg)}.page_loginPrompt__MlMQr{border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:1.25rem;font-size:var(--text-sm);color:var(--color-muted);text-align:center}.page_loginPromptLink__C3L9R{color:var(--color-primary);font-weight:600}.page_actionError__xjCyg{margin:.35rem 0 0;font-size:var(--text-xs);color:var(--color-error)}.page_actionError__xjCyg a{color:inherit;text-decoration:underline}.page_progressSaveWarning__9osmN{margin:.5rem 0 0;padding:.5rem .85rem;border:1px solid color-mix(in srgb,var(--color-error) 40%,transparent);border-radius:var(--radius-md);background:color-mix(in srgb,var(--color-error) 8%,var(--color-bg));color:var(--color-error);font-size:var(--text-sm)}.page_resumeNotice__ZKBMR{display:flex;align-items:center;gap:.75rem;flex-wrap:wrap;margin-top:.5rem;font-size:var(--text-sm);color:var(--color-muted)}.page_resumeRestart__BwHQf{background:none;border:none;padding:0;font-size:var(--text-sm);font-weight:600;font-family:inherit;color:var(--color-accent-ink);cursor:pointer;text-decoration:underline}.PdfViewer_root__x1DzX{display:flex;flex-direction:column;gap:.5rem;-moz-user-select:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}.PdfViewer_pages__3yLtN{display:flex;flex-direction:column;max-height:min(78vh,760px);overflow-y:auto;border:1px solid var(--color-border);border-radius:8px;background:var(--color-bg-subtle);padding:.75rem}.PdfViewer_pageStack__mi09K{display:flex;flex-direction:column;gap:.75rem}.PdfViewer_pageCanvas__WfuH1{width:100%;height:auto;display:block;border-radius:4px;box-shadow:0 1px 4px rgba(0,0,0,.12)}.PdfViewer_status__Rqcqa{padding:2rem 1rem;text-align:center}.PdfViewer_pageCount__v1Jp2,.PdfViewer_status__Rqcqa{margin:0;color:var(--color-muted);font-size:var(--text-sm)}.PdfViewer_pageCount__v1Jp2{text-align:right}.MemberLoginLink_root__7th4O{margin:.75rem 0 0;font-size:var(--text-sm);color:var(--color-muted)}.MemberLoginLink_link__i5djH{margin:0 .15em;color:var(--color-primary);font-weight:600;text-decoration:underline}.page_root__fgiIl{padding-block:2rem}.page_breadcrumb__S15wf{display:flex;align-items:center;gap:.25rem;font-size:var(--text-sm);color:var(--color-muted);margin-bottom:1.25rem;flex-wrap:wrap}.page_breadcrumbLink__hD5Wh{color:var(--color-primary);text-decoration:none;font-weight:500}.page_breadcrumbLink__hD5Wh:hover{text-decoration:underline}.page_breadcrumbSep__FQIFe{color:var(--color-border)}.page_breadcrumbCurrent__gctG9{color:var(--color-muted)}.page_hero__8FV0B{position:relative;border-radius:var(--radius-lg);overflow:hidden;margin-bottom:2rem;min-height:180px;background:linear-gradient(135deg,#1a2a3a,#0d1b2a)}.page_heroImg__vGM3Z{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.35}.page_heroContent__UBEv5{position:relative;z-index:1;padding:2rem;color:#fff}.page_lockBadge__poBO5{display:inline-block;font-size:var(--text-xs);font-weight:700;background:rgb(255 255 255/.2);border-radius:var(--radius-sm);padding:.2em .6em;margin-bottom:.75rem}.page_title__yAB18{font-size:var(--text-2xl);font-weight:800;letter-spacing:-.02em;margin-bottom:.5rem}.page_description__U6fKh{font-size:var(--text-sm);opacity:.8;max-width:60ch;line-height:1.7}.page_progressBlock__rg4ry{display:flex;align-items:center;gap:1.25rem;padding:1.25rem;border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-bg-subtle);margin-bottom:2rem}.page_progressRing__brsko{position:relative;width:56px;height:56px;flex-shrink:0}.page_progressSvg__t9Yua{width:100%;height:100%}.page_progressPct__qtFzT{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:var(--text-xs);font-weight:700;color:var(--color-primary)}.page_progressInfo__ddeHN{display:flex;flex-direction:column;gap:.5rem}.page_progressText__bju9A{font-size:var(--text-sm);color:var(--color-muted)}.page_progressText__bju9A strong{color:var(--color-fg);font-size:var(--text-base)}.page_nextButton__73rdu{display:inline-flex;align-items:center;padding:.5rem 1.25rem;background:var(--color-primary);color:var(--color-primary-fg);border-radius:var(--radius-md);font-size:var(--text-sm);font-weight:700;text-decoration:none;width:-moz-fit-content;width:fit-content}.page_nextButton__73rdu:hover{background:var(--color-primary-hover)}.page_ctaRow__ItUUF{margin-bottom:1.5rem}.page_lockedBlock__bkrYv{padding:1.5rem;border:1px dashed var(--color-border);border-radius:var(--radius-lg);background:var(--color-bg-subtle);text-align:center;color:var(--color-muted);font-size:var(--text-sm);margin-bottom:2rem;display:flex;flex-direction:column;align-items:center;gap:.75rem}.page_lockedCta__xFdAU{display:inline-flex;align-items:center;padding:.5rem 1.25rem;background:var(--color-primary);color:var(--color-primary-fg);border-radius:var(--radius-md);font-size:var(--text-sm);font-weight:700;text-decoration:none}.page_lockedCta__xFdAU:hover{background:var(--color-primary-hover)}.page_contentsSection__f1GbJ{margin-top:1.5rem}.page_sectionTitle__UNMoG{font-size:var(--text-xl);font-weight:700;margin-bottom:1rem}.page_contentsList__zplHZ{list-style:none;margin:0;padding:0;border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden}.page_contentsItem__G7bDm{display:flex;align-items:center;gap:1rem;padding:1rem 1.25rem;border-bottom:1px solid var(--color-border);transition:background .1s}.page_contentsItem__G7bDm:last-child{border-bottom:none}.page_contentsItem__G7bDm:hover{background:var(--color-bg-subtle)}.page_contentsItemDone__zJrbm{background:color-mix(in srgb,var(--color-success) 5%,var(--color-bg))}.page_contentsIndex__E5YsR{flex-shrink:0;width:1.75rem;height:1.75rem;display:flex;align-items:center;justify-content:center;background:var(--color-bg-subtle);border-radius:50%;font-size:var(--text-xs);font-weight:700;color:var(--color-muted)}.page_contentsInfo__vxXQU{flex:1 1;min-width:0;display:flex;align-items:center;gap:.75rem}.page_contentsLink__uo8JO{font-size:var(--text-sm);font-weight:600;text-decoration:none;color:var(--color-fg);flex:1 1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.page_contentsLink__uo8JO:hover{color:var(--color-primary);text-decoration:underline}.page_contentsTitle__TijIE{font-size:var(--text-sm);color:var(--color-muted)}.page_contentsDuration__ODzpb{font-size:var(--text-xs);color:var(--color-muted);white-space:nowrap}.page_doneCheck__0_1w9{flex-shrink:0;width:1.5rem;height:1.5rem;display:flex;align-items:center;justify-content:center;background:var(--color-success);color:#fff;border-radius:50%;font-size:.7rem;font-weight:700}