._page_ykpsr_1{--iv-stage-border:var(--border-glass);min-height:100vh;color:var(--text-on-brand-strong);background:var(--surface-app);flex-direction:column;display:flex}._brand_ykpsr_16,._authButton_ykpsr_17,._backLink_ykpsr_18,._primaryLink_ykpsr_19{color:var(--text-on-brand-strong);-webkit-text-decoration:none;text-decoration:none}._brand_ykpsr_16{font-family:var(--font-display);letter-spacing:.02em;font-size:1.5rem;font-weight:700}._authButton_ykpsr_17,._primaryLink_ykpsr_19{font-size:var(--text-learner-body)}._backLink_ykpsr_18,._primaryLink_ykpsr_19{color:var(--accent-warning);-webkit-text-decoration:none;text-decoration:none}._backLink_ykpsr_18:hover,._primaryLink_ykpsr_19:hover{text-underline-offset:4px;-webkit-text-decoration:underline;text-decoration:underline}._main_ykpsr_48{--learner-safe-area-page-bottom:3rem;flex:1;padding:1.5rem 0 3rem}._main_ykpsr_48:has(>._detailShell_ykpsr_60){flex-direction:column;min-height:calc(100svh - 56px);padding:0;display:flex}._main_ykpsr_48:has(>._detailShell_ykpsr_60)>._detailShell_ykpsr_60{margin:auto}._pageImmersive_ykpsr_73{width:100vw;max-width:100%;min-height:100vh;overflow-x:hidden}._pageImmersive_ykpsr_73 ._main_ykpsr_48{place-items:center;width:100%;padding:0;display:grid;overflow-x:hidden}._detailShell_ykpsr_60,._notFoundCard_ykpsr_89{--learner-safe-area-shell-max:1240px;--learner-safe-area-gutter:1rem;width:min(1240px,100vw - 2rem);margin:0 auto}._indexShell_ykpsr_102{--learner-safe-area-shell-max:1100px;--learner-safe-area-gutter:var(--density-page-gutter);width:min(1100px, calc(100vw - (var(--learner-safe-area-gutter) * 2)));grid-gap:calc(var(--density-section-gap) * 2.5);gap:calc(var(--density-section-gap) * 2.5);margin:0 auto;display:grid}._pageImmersive_ykpsr_73 ._detailShell_ykpsr_60{place-items:center;width:100vw;max-width:100%;min-height:100lvh;display:grid;overflow-x:hidden}._sidebarCard_ykpsr_122,._notFoundCard_ykpsr_89{background:var(--surface-glass);border:1px solid var(--border-glass);box-shadow:var(--shadow-elevated);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border-radius:28px}._notFoundCard_ykpsr_89{padding:2rem}._catalogueSection_ykpsr_135,._viewerCard_ykpsr_136{padding:0}._pathHeroSection_ykpsr_140{width:min(720px,100%)}._catalogueSection_ykpsr_135{scroll-margin-top:4.5rem}._sidebarCard_ykpsr_122{padding:1.4rem 1.5rem}._flowList_ykpsr_154{grid-gap:1.15rem;gap:1.15rem;margin:1.1rem 0 0;padding:0;list-style:none;display:grid}._flowStep_ykpsr_162{display:block}._flowStepButton_ykpsr_166{grid-gap:.75rem;width:100%;color:inherit;text-align:left;cursor:pointer;transition:background var(--dur-fast) var(--ease-out-soft), border-color var(--dur-fast) var(--ease-out-soft);background:0 0;border:1px solid #0000;border-radius:12px;grid-template-columns:auto 1fr;align-items:baseline;gap:.75rem;margin:0 -.45rem;padding:.35rem .45rem;display:grid}._flowStepButton_ykpsr_166:hover:not(:disabled),._flowStepButton_ykpsr_166:focus-visible:not(:disabled){background:var(--surface-warning-faint);border-color:var(--border-warning-faint);outline:none}._flowStepButtonActive_ykpsr_192{background:var(--surface-warning-soft);border-color:var(--border-warning-soft)}._flowStepButton_ykpsr_166:disabled{cursor:not-allowed;opacity:.62}._flowStepIndex_ykpsr_202{font-family:var(--font-display);font-variation-settings:"opsz" 144, "SOFT" 60;color:var(--text-on-brand-faint);font-feature-settings:"tnum";font-size:1.15rem;line-height:1}._flowStepCopy_ykpsr_211{grid-gap:.2rem;gap:.2rem;display:grid}._flowStepTitle_ykpsr_216{font-family:var(--font-display);font-variation-settings:"opsz" 144, "SOFT" 60;color:var(--text-on-brand-strong);letter-spacing:-.005em;font-size:1rem;font-weight:600}._flowStepDesc_ykpsr_225{font-family:var(--font-body);font-size:var(--text-learner-body);color:var(--text-on-brand-muted);line-height:1.4}._sidebar_ykpsr_122{grid-gap:2.25rem;gap:2.25rem;display:grid}._sidebarBand_ykpsr_237{grid-gap:.75rem;gap:.75rem;display:grid}._sidebarBand_ykpsr_237 ._sidebarCopy_ykpsr_242,._sidebarBand_ykpsr_237 ._localizedHintLabel_ykpsr_243,._sidebarBand_ykpsr_237 ._localizedHintCopy_ykpsr_244,._sidebarBand_ykpsr_237 ._thumbnailRail_ykpsr_245{margin-top:0}._sidebarBand_ykpsr_237 ._thumbnailRail_ykpsr_245{margin-top:.5rem}._eyebrow_ykpsr_253,._sidebarEyebrow_ykpsr_254,._lockedEyebrow_ykpsr_255{letter-spacing:.14em;text-transform:uppercase;color:var(--accent-warning);margin:0 0 .5rem;font-size:.76rem}._catalogueTitle_ykpsr_263,._detailTitle_ykpsr_264{font-family:var(--font-display);line-height:var(--leading-display);margin:0}._catalogueTitle_ykpsr_263{font-size:var(--text-heading)}._detailTitle_ykpsr_264{font-size:var(--text-title)}._detailSummary_ykpsr_278,._sidebarCopy_ykpsr_242,._lockedCopy_ykpsr_280,._catalogueSummary_ykpsr_281{max-width:48rem;color:var(--text-on-brand-muted);margin:1rem 0 0;font-size:1rem;line-height:1.55}._detailHint_ykpsr_289,._localizedHintCopy_ykpsr_244{max-width:48rem;font-size:var(--text-learner-helper);color:var(--text-on-brand-subtle);margin:0;line-height:1.5}._adminAdjustmentControls_ykpsr_298{grid-gap:.45rem;gap:.45rem;margin-top:.35rem;display:grid}._adminAdjustmentButton_ykpsr_304{border:1px solid var(--border-glass);background:var(--surface-glass);width:fit-content;min-height:40px;color:var(--text-on-brand-strong);font:600 var(--text-small)/1.1 var(--font-body);cursor:pointer;border-radius:999px;padding:.5rem .8rem}._adminAdjustmentButtonActive_ykpsr_316{border-color:var(--border-warning-strong);background:var(--surface-warning-strong)}._adminAdjustmentNote_ykpsr_321{color:var(--text-on-brand-muted);font-size:var(--text-small);margin:0;line-height:1.4}._progressText_ykpsr_328,._thumbnailLabel_ykpsr_329{color:var(--text-on-brand-muted);display:block}._catalogueHeader_ykpsr_334{grid-gap:.75rem;gap:.75rem;margin-bottom:2.25rem;display:grid}._sectionStack_ykpsr_340{grid-gap:calc(var(--density-section-gap) * 2.2);gap:calc(var(--density-section-gap) * 2.2);display:grid}._groupSection_ykpsr_345{gap:var(--section-header-divider-to-card);flex-direction:column;display:flex}._sectionBand_ykpsr_351{grid-gap:var(--section-header-heading-gap);gap:var(--section-header-heading-gap);margin-bottom:.35rem;display:grid}._sectionHeadline_ykpsr_357{justify-content:space-between;align-items:baseline;gap:1.5rem;display:flex}._sectionTitle_ykpsr_364{font-family:var(--font-display);font-size:var(--text-sub);color:var(--text-on-brand-strong);font-weight:600;line-height:var(--leading-display);max-width:22ch;margin:0}._sectionSummary_ykpsr_374{color:var(--text-on-brand-muted);max-width:52ch;margin:0;line-height:1.55}._sectionMeta_ykpsr_381{white-space:nowrap;color:var(--text-on-brand-subtle);font-size:var(--text-meta);letter-spacing:.14em;text-transform:uppercase;font-weight:600;font-family:var(--font-mono)}._groupGrid_ykpsr_391{grid-gap:calc(var(--density-grid-gap) * 2.35) calc(var(--density-grid-gap) * 2);gap:calc(var(--density-grid-gap) * 2.35) calc(var(--density-grid-gap) * 2);grid-template-columns:repeat(4,minmax(0,1fr));display:grid}@media (width<=900px){._groupGrid_ykpsr_391{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (width<=640px){._indexShell_ykpsr_102{gap:calc(var(--density-section-gap) * 1.8)}._sectionStack_ykpsr_340{gap:calc(var(--density-section-gap) * 1.6)}._groupGrid_ykpsr_391{gap:var(--density-list-gap);grid-template-columns:minmax(0,1fr)}}._detailHeader_ykpsr_418{flex-direction:column;gap:1.25rem;margin-bottom:2rem;display:flex}._detailHeadCopy_ykpsr_425{grid-gap:.85rem;gap:.85rem;max-width:60rem;display:grid}._sessionStartNotice_ykpsr_431{background:var(--status-warning-bg);border:1px solid var(--status-warning-border);color:var(--status-warning-text);font-size:var(--text-learner-body);border-radius:16px;padding:.9rem 1.1rem;line-height:1.5}._viewerTopBar_ykpsr_441{justify-content:space-between;align-items:center;gap:.75rem;display:flex}._detailMeta_ykpsr_448{border-top:1px solid var(--border-glass);font-family:var(--font-mono);letter-spacing:.2em;text-transform:uppercase;color:var(--text-on-brand-subtle);flex-wrap:wrap;align-items:center;gap:.65rem;margin:0;padding-top:1rem;font-size:.72rem;display:flex}._detailMeta_ykpsr_448 span[aria-hidden=true]{opacity:.45}._detailLayout_ykpsr_480{--stage-stable-viewport-height:100svh;--stage-min-height:0px;--stage-viewport-offset:56px;--stage-height-budget:max(calc(var(--stage-stable-viewport-height) - var(--stage-viewport-offset)), var(--stage-min-height));grid-gap:1.25rem;grid-template-columns:1fr;align-items:start;gap:1.25rem;display:grid}._pageImmersive_ykpsr_73 ._detailLayout_ykpsr_480{justify-items:center;width:100%;overflow-x:hidden}._detailLeftAside_ykpsr_520{grid-area:2/1}._viewerCard_ykpsr_136{grid-area:1/1}._detailRightAside_ykpsr_522{grid-area:3/1}@media (width>=1100px) and (aspect-ratio>=11/12),(width>=940px) and (aspect-ratio>=1){._detailLayout_ykpsr_480{grid-template-columns:auto min(calc(var(--stage-height-budget) * 9 / 16), 100%) auto;gap:1.75rem}._detailLeftAside_ykpsr_520{grid-area:1/1;place-self:center end;max-width:360px}._viewerCard_ykpsr_136{grid-area:1/2;align-self:center}._detailRightAside_ykpsr_522{grid-area:1/3;place-self:center start;max-width:360px}._detailLeftAside_ykpsr_520,._detailRightAside_ykpsr_522{max-height:var(--stage-height-budget);overflow-y:auto}}._detailLeftAside_ykpsr_520,._detailRightAside_ykpsr_522{grid-gap:.85rem;justify-self:center;gap:.85rem;width:100%;max-width:480px;padding-top:.5rem;display:grid}._viewerCard_ykpsr_136{--stage-stable-viewport-height:100svh;--stage-min-height:0px;--stage-viewport-offset:56px;--stage-height-budget:max(calc(var(--stage-stable-viewport-height) - var(--stage-viewport-offset)), var(--stage-min-height));width:min(max(100svh - 56px,0px)/1.77778,100%);min-width:0;width:min(calc(var(--stage-height-budget) * 9 / 16), 100%);flex-direction:column;justify-self:center;align-items:center;gap:.9rem;display:flex}._pageImmersive_ykpsr_73 ._viewerCard_ykpsr_136{--stage-viewport-offset:0px;--stage-width:calc(var(--stage-height-budget) * 9 / 16);width:min(var(--stage-width), 100%);justify-self:stretch;max-width:100%;margin-left:auto;margin-right:auto}@media (width>=768px){._detailLayout_ykpsr_480,._viewerCard_ykpsr_136{--stage-min-height:600px}}._viewerTopBar_ykpsr_441{margin-bottom:0}._modeRail_ykpsr_639{flex-wrap:wrap;gap:.45rem;display:flex}._modePill_ykpsr_645{border:1px solid var(--border-glass);background:var(--surface-glass);color:var(--text-on-brand-muted);font-size:var(--text-learner-body);cursor:pointer;transition:background var(--dur-fast) var(--ease-out-soft), color var(--dur-fast) var(--ease-out-soft), border-color var(--dur-fast) var(--ease-out-soft);border-radius:999px;padding:.35rem .8rem}._modePill_ykpsr_645:hover:not(:disabled),._modePill_ykpsr_645:focus-visible:not(:disabled){background:var(--surface-warning-mid);color:var(--text-on-brand-strong);border-color:var(--border-warning-mid);outline:none}._modePill_ykpsr_645:disabled{opacity:.4;cursor:not-allowed}._modePillActive_ykpsr_672{background:var(--surface-warning-strong);color:var(--text-on-brand-strong);border-color:var(--border-warning-strong)}._modePillLabel_ykpsr_678{text-transform:capitalize}._progressCluster_ykpsr_682{min-width:12rem}._viewerProgressTrack_ykpsr_686{background:var(--surface-glass);border-radius:999px;width:100%;height:6px;margin-top:.35rem;overflow:hidden}._viewerProgressFill_ykpsr_695{background:var(--accent-warning);height:100%}._imageStage_ykpsr_700{aspect-ratio:9/16;background:var(--iv-stage-bg,var(--surface-photo-deep));border:1px solid var(--iv-stage-border);width:100%;max-width:100%;box-shadow:var(--iv-stage-shadow);--iv-stage-focal-x:.5;--iv-stage-focal-y:.4;--iv-stage-zoom:1;border-radius:22px;margin-left:auto;margin-right:auto;position:relative;overflow:hidden}._imageStageContent_ykpsr_742{transform-origin:0 0;width:100%;height:100%;transform:translate(calc((.5 - var(--iv-stage-focal-x) * var(--iv-stage-zoom)) * 100%), calc((.4 - var(--iv-stage-focal-y) * var(--iv-stage-zoom)) * 100%)) scale(var(--iv-stage-zoom));position:relative}._imageStageContent_ykpsr_742>picture{width:100%;height:100%;display:block}._imageStage_ykpsr_700[data-iv-display-edit=true] [role=dialog][data-mode=listen],._imageStage_ykpsr_700[data-iv-display-edit=true] [role=dialog][data-mode=listen] *{pointer-events:none}._stageImage_ykpsr_779,._stageImageStatic_ykpsr_780,._thumbnailImage_ykpsr_781{-o-object-fit:cover;object-fit:cover;width:100%;height:100%;display:block}._thumbnailButton_ykpsr_788 picture{aspect-ratio:2/3;width:74px;display:block}._stageImage_ykpsr_779{animation:_stageIn_ykpsr_1 var(--iv-stage-enter-dur) var(--ease-out-soft)}@keyframes _stageIn_ykpsr_1{0%{opacity:0;transform:translate(26px)}to{opacity:1;transform:translate(0)}}._sidebarTitle_ykpsr_810{margin:0;font-size:1.2rem;font-weight:600}._localizedHintLabel_ykpsr_243{margin-top:.2rem}._thumbnailRail_ykpsr_245{grid-gap:.7rem;gap:.7rem;margin-top:1rem;display:grid}._thumbnailButton_ykpsr_788{grid-gap:.75rem;border:1px solid var(--border-glass);background:var(--surface-glass);color:inherit;text-align:left;border-radius:18px;grid-template-columns:74px 1fr;align-items:center;gap:.75rem;padding:.45rem;display:grid;position:relative}._thumbnailButton_ykpsr_788[data-completed=true] ._thumbnailImage_ykpsr_781{filter:saturate(.55)brightness(.92);opacity:.78}._thumbnailDonePip_ykpsr_845{background:var(--accent-success-strong);width:1.1rem;height:1.1rem;color:var(--vocab-found);box-shadow:var(--iv-success-glow);pointer-events:none;border-radius:999px;justify-content:center;align-items:center;display:inline-flex;position:absolute;top:.35rem;left:.35rem}._thumbnailDonePip_ykpsr_845 svg{width:12px;height:12px}._thumbnailButtonActive_ykpsr_866{border-color:var(--border-warning-strong);background:var(--surface-warning-soft)}._thumbnailImage_ykpsr_781{aspect-ratio:2/3;border-radius:14px}._lockedOverlay_ykpsr_876{padding:var(--panel-spacing-sm);background:var(--surface-photo-deep);border:1px solid var(--border-glass);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);color:var(--vocab-text);z-index:2;border-radius:24px;position:absolute;inset:auto 1rem 1rem}._lockedTitle_ykpsr_888{margin:0;font-size:1.4rem}._lockedActions_ykpsr_893{flex-wrap:wrap;gap:.75rem;margin-top:1rem;display:flex}@media (width<=880px){._detailMeta_ykpsr_448,._viewerTopBar_ykpsr_441{justify-content:flex-start}._notFoundCard_ykpsr_89{padding:1.35rem}}._modeCards_ykpsr_911{flex-direction:column;gap:.5rem;margin-top:.5rem;display:flex}._modeCard_ykpsr_911{grid-gap:.18rem;width:100%;color:inherit;text-align:left;cursor:pointer;transition:background var(--dur-fast) var(--ease-out-soft), border-color var(--dur-fast) var(--ease-out-soft);background:0 0;border:1px solid #0000;border-radius:14px;gap:.18rem;padding:.65rem .8rem;display:grid}._modeCard_ykpsr_911:hover:not(:disabled),._modeCard_ykpsr_911:focus-visible:not(:disabled){background:var(--surface-glass);border-color:var(--border-glass);outline:none}._modeCardActive_ykpsr_947{background:var(--surface-glass-strong);border-color:var(--border-glass);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}._modeCard_ykpsr_911:disabled{cursor:not-allowed;opacity:.62}._modeCardHead_ykpsr_958{justify-content:space-between;align-items:baseline;gap:.5rem;display:flex}._modeCardLabel_ykpsr_965{font-family:var(--font-display);font-variation-settings:"opsz" 96, "SOFT" 60;color:var(--text-on-brand-strong);text-transform:capitalize;letter-spacing:-.005em;font-size:1.1rem;font-weight:500}._modeCardSub_ykpsr_975{font-size:var(--text-learner-helper);color:var(--text-on-brand-muted);line-height:1.4}@media (width<=880px){._detailLeftAside_ykpsr_520{gap:.35rem;padding-top:.25rem}._backLink_ykpsr_18{font:500 var(--text-micro)/1 var(--font-mono);letter-spacing:.2em;text-transform:uppercase;margin-bottom:.25rem}._localizedHintCopy_ykpsr_244{font-size:var(--text-learner-helper);color:var(--text-on-brand-faint);margin:0}._detailTitle_ykpsr_264{font-size:max(var(--text-heading), min(4vw, var(--text-title)));margin:.1rem 0 .4rem;line-height:1.05}._detailSummary_ykpsr_278,._detailHint_ykpsr_289{font-size:var(--text-learner-body);color:var(--text-on-brand-muted);max-width:56ch;margin:0;line-height:1.4}._detailHint_ykpsr_289{font-size:var(--text-learner-helper);color:var(--text-on-brand-faint);margin-bottom:.35rem}._modeCards_ykpsr_911{background:var(--surface-glass);border:1px solid var(--border-glass);border-radius:999px;flex-direction:row;gap:4px;margin:.5rem 0 0;padding:4px}._modeCard_ykpsr_911{text-align:center;color:var(--text-on-brand-muted);transition:background var(--dur-fast) var(--ease-out-soft), color var(--dur-fast) var(--ease-out-soft), border-color var(--dur-fast) var(--ease-out-soft);background:0 0;border:1px solid #0000;border-radius:999px;flex:1;padding:.45rem .5rem}._modeCard_ykpsr_911:hover:not(:disabled),._modeCard_ykpsr_911:focus-visible:not(:disabled){background:var(--surface-glass-strong);color:var(--text-on-brand-strong);border-color:#0000}._modeCardActive_ykpsr_947{background:var(--surface-warning-strong);color:var(--text-on-brand-strong);border-color:var(--border-warning-strong);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}._modeCardHead_ykpsr_958{justify-content:center}._modeCardLabel_ykpsr_965{font:500 var(--text-small)/1 var(--font-mono);letter-spacing:.16em;text-transform:uppercase}._modeCardSub_ykpsr_975{display:none}._detailRightAside_ykpsr_522{gap:.5rem;padding-top:.5rem}._sidebarBand_ykpsr_237{gap:.35rem}._sidebarTitle_ykpsr_810{font-size:var(--text-body);margin:0}._sidebarBand_ykpsr_237 ._sidebarCopy_ykpsr_242,._sidebarBand_ykpsr_237 ._localizedHintLabel_ykpsr_243,._sidebarBand_ykpsr_237 ._localizedHintCopy_ykpsr_244,._sidebarBand_ykpsr_237 h3{display:none}._thumbnailRail_ykpsr_245{flex-wrap:wrap;justify-content:center;gap:.5rem;margin-top:.25rem;display:flex}._thumbnailButton_ykpsr_788{aspect-ratio:2/3;background:var(--chip-bg);border:1px solid var(--chip-border);border-radius:14px;flex:0 0 68px;grid-template-columns:1fr;padding:0;overflow:hidden}._thumbnailImage_ykpsr_781{aspect-ratio:2/3;-o-object-fit:cover;object-fit:cover;border-radius:14px;width:100%;height:100%}._thumbnailLabel_ykpsr_329{display:none}._thumbnailButtonActive_ykpsr_866{border-color:var(--border-warning-accent);box-shadow:var(--iv-warning-ring)}._thumbnailDonePip_ykpsr_845{width:1rem;height:1rem;top:.25rem;left:.25rem}._detailMeta_ykpsr_448{margin-top:.35rem;padding-top:.6rem}}