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.desktop-avatar:before{background:var(--luki-accent-soft)}.app-shell[data-ui-layer=outer] .button{border-color:var(--luki-brand);background:var(--luki-brand);color:#fff;box-shadow:0 1px 2px #18383429,0 8px 18px #2f6b631f}.app-shell[data-ui-layer=outer] .button:hover:not(:disabled){border-color:var(--luki-brand-strong);background:var(--luki-brand-strong);transform:none;box-shadow:0 1px 2px #1838342e,0 9px 20px #204f4924}.app-shell[data-ui-layer=outer] .button:active:not(:disabled){box-shadow:none;transform:translateY(1px)}.app-shell[data-ui-layer=outer] .button--ghost{border-color:var(--luki-line-strong);background:var(--luki-surface-strong);color:var(--luki-ink-soft)}.app-shell[data-ui-layer=outer] .button--ghost:hover:not(:disabled){border-color:var(--luki-line-strong);background:var(--luki-surface-soft);color:var(--luki-ink)}.app-shell[data-ui-layer=outer] .button--danger,.app-shell[data-ui-layer=outer] 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transparent);color:var(--route-accent)}.app-shell[data-ui-layer=outer] :is(.achievement-summary,.achievement-next-goal,.achievement-filters,.achievement-card,.achievement-route-panel,.leaderboard-reward-note,.leaderboard-list,.shop-hero,.shop-promise,.shop-card,.settings-surface,.settings-card,.settings-session-card,.profile-hero,.profile-stats,.profile-panel,.account-rights-card,.faq-reference-intro,.faq-quick-search,.faq-list,.faq-support-card,.review-overview,.review-level-list,.review-notes__list){border-color:var(--luki-line);background:var(--luki-surface-strong);box-shadow:none}.app-shell[data-ui-layer=outer] :is(.achievement-summary,.achievement-next-goal,.leaderboard-list,.settings-surface,.profile-stats,.profile-panel,.faq-reference-intro,.faq-quick-search){box-shadow:var(--luki-shadow-sm)}.app-shell[data-ui-layer=outer][data-route=explore] .subject-group{--collection-accent:var(--luki-accent);--collection-soft:var(--luki-accent-soft);border-color:color-mix(in srgb, var(--collection-accent) 14%, var(--luki-line));background:linear-gradient(180deg, color-mix(in srgb, var(--collection-soft) 22%, var(--luki-surface-strong)), var(--luki-surface-strong) 52%)}.app-shell[data-ui-layer=outer][data-route=explore] .subject-group[data-collection=people-and-stories]{--collection-accent:var(--luki-coral);--collection-soft:var(--luki-coral-soft)}.app-shell[data-ui-layer=outer][data-route=explore] .subject-group[data-collection=language-in-action]{--collection-accent:var(--luki-credit);--collection-soft:var(--luki-credit-soft)}.app-shell[data-ui-layer=outer][data-route=explore] .subject-group[data-collection=new-language-starts]{--collection-accent:var(--luki-lavender);--collection-soft:var(--luki-lavender-soft)}.app-shell[data-ui-layer=outer][data-route=explore] .subject-group__heading{border-bottom-color:color-mix(in srgb, var(--collection-accent) 14%, transparent)}.app-shell[data-ui-layer=outer][data-route=explore] .subject-group__heading 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.course-catalogue-card:has(button:not(:disabled)):hover{border-color:color-mix(in srgb, var(--route-accent) 38%, var(--luki-line));box-shadow:var(--luki-shadow-md);transform:none}.app-shell[data-ui-layer=outer][data-route=courses] .course-catalogue-card__visual{border-right-color:var(--luki-line);background:var(--luki-surface-soft)}.app-shell[data-ui-layer=outer][data-route=courses] .course-catalogue-card__art .academy-course-card__cover{border-color:var(--luki-line);background:var(--luki-surface);box-shadow:none}.app-shell[data-ui-layer=outer][data-route=courses] .course-catalogue-card__tags>span{border-color:color-mix(in srgb, var(--route-accent) 14%, var(--luki-line));background:color-mix(in srgb, var(--route-soft) 58%, var(--luki-surface-strong));color:color-mix(in srgb, var(--route-accent) 72%, var(--luki-ink))}.app-shell[data-ui-layer=outer][data-route=courses] .course-catalogue-card__progress{background:var(--luki-line)}.app-shell[data-ui-layer=outer][data-route=courses] .course-catalogue-card__progress>span{background:var(--luki-accent)}.app-shell[data-ui-layer=outer][data-route=courses] .course-catalogue-card__footer button{border-color:var(--luki-brand);background:var(--luki-brand);box-shadow:0 1px 2px #18383429,0 7px 16px #2f6b631c}.app-shell[data-ui-layer=outer][data-route=courses] .course-catalogue-card__footer button:hover:not(:disabled){border-color:var(--luki-brand-strong);background:var(--luki-brand-strong);transform:none;box-shadow:0 1px 2px #1838342e,0 8px 18px #204f4921}.app-shell[data-ui-layer=outer][data-route=courses] .course-catalogue-card__footer button:disabled{border-color:color-mix(in srgb, var(--luki-line) 88%, transparent);background:color-mix(in srgb, var(--luki-surface-soft) 68%, var(--luki-surface-strong));box-shadow:none;color:var(--luki-muted)}.app-shell[data-ui-layer=outer][data-route=courses] 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.academy-course-path__unit-progress>span{background:var(--unit-tone)}.app-shell[data-ui-layer=outer][data-route=learn] .academy-course-path__tile{--lesson-state-color:var(--luki-muted);--lesson-state-soft:transparent;--lesson-state-shadow:inset 0 -1px color-mix(in srgb, var(--luki-line) 72%, transparent);--lesson-selection-shadow:inset 0 0 0 0 transparent;border-color:#0000}.app-shell[data-ui-layer=outer][data-route=learn] .academy-course-path__tile:disabled{background:var(--lesson-state-soft);box-shadow:var(--lesson-state-shadow), var(--lesson-selection-shadow);border-color:#0000}.app-shell[data-ui-layer=outer][data-route=learn] .academy-course-path__tile.is-planned{--lesson-state-color:var(--luki-warning);--lesson-state-soft:color-mix(in srgb, var(--luki-warning-soft) 64%, var(--luki-surface-strong));--lesson-state-shadow:inset 3px 0 color-mix(in srgb, var(--luki-warning) 42%, var(--luki-line)), inset 0 -1px color-mix(in srgb, var(--luki-warning) 18%, var(--luki-line))}.app-shell[data-ui-layer=outer][data-route=learn] .academy-course-path__tile.is-ready{--lesson-state-color:color-mix(in srgb, var(--unit-tone) 60%, var(--luki-brand-strong));--lesson-state-soft:color-mix(in srgb, var(--unit-tone) 8%, var(--luki-surface-strong));--lesson-state-shadow:inset 3px 0 color-mix(in srgb, var(--unit-tone) 44%, var(--luki-line)), inset 0 -1px color-mix(in srgb, var(--unit-tone) 14%, var(--luki-line))}.app-shell[data-ui-layer=outer][data-route=learn] .academy-course-path__tile.is-in-progress{--lesson-state-color:var(--luki-accent-strong);--lesson-state-soft:color-mix(in srgb, var(--luki-accent-soft) 82%, var(--luki-surface-strong));--lesson-state-shadow:inset 3px 0 var(--luki-accent), inset 0 -1px color-mix(in srgb, var(--luki-accent) 18%, var(--luki-line))}.app-shell[data-ui-layer=outer][data-route=learn] .academy-course-path__tile.is-current{--lesson-state-color:var(--luki-brand-strong);--lesson-state-soft:color-mix(in srgb, var(--unit-tone) 15%, var(--luki-brand-soft));--lesson-state-shadow:inset 4px 0 var(--unit-tone), inset 0 -1px color-mix(in srgb, var(--unit-tone) 24%, var(--luki-line))}.app-shell[data-ui-layer=outer][data-route=learn] .academy-course-path__tile.is-current.is-in-progress{--lesson-state-color:var(--luki-accent-strong);--lesson-state-soft:color-mix(in srgb, var(--luki-accent-soft) 88%, var(--luki-surface-strong));--lesson-state-shadow:inset 4px 0 var(--luki-accent), inset 0 -1px color-mix(in srgb, var(--luki-accent) 22%, var(--luki-line)), inset 0 0 0 1px color-mix(in srgb, var(--luki-accent) 14%, transparent)}.app-shell[data-ui-layer=outer][data-route=learn] .academy-course-path__tile.is-complete{--lesson-state-color:var(--luki-success);--lesson-state-soft:color-mix(in srgb, var(--luki-success-soft) 78%, var(--luki-surface-strong));--lesson-state-shadow:inset 3px 0 var(--luki-success), inset 0 -1px color-mix(in srgb, var(--luki-success) 18%, var(--luki-line))}.app-shell[data-ui-layer=outer][data-route=learn] .academy-course-path__tile.is-selected{--lesson-selection-shadow:inset 0 0 0 2px color-mix(in srgb, var(--lesson-state-color) 42%, transparent)}.app-shell[data-ui-layer=outer][data-route=learn] .academy-course-path__tile .academy-course-path__lesson-mark,.app-shell[data-ui-layer=outer][data-route=learn] .academy-course-path__tile:is(.is-ready,.is-current,.is-in-progress,.is-complete,.is-locked,.is-planned,.is-selected) .academy-course-path__lesson-mark{background:color-mix(in srgb, var(--lesson-state-color) 11%, transparent);color:var(--lesson-state-color);border-color:#0000}.app-shell[data-ui-layer=outer][data-route=learn] .academy-course-path__tile .academy-course-path__tile-copy strong{color:color-mix(in srgb, var(--lesson-state-color) 16%, var(--luki-ink-soft))}.app-shell[data-ui-layer=outer][data-route=learn] .academy-course-path__tile .academy-course-path__tile-copy small{color:color-mix(in srgb, var(--lesson-state-color) 68%, var(--luki-muted))}.app-shell[data-ui-layer=outer][data-route=learn] .academy-course-path__tile.is-planned .academy-course-path__tile-copy strong{color:color-mix(in srgb, var(--luki-warning) 38%, var(--luki-muted))}.app-shell[data-ui-layer=outer][data-route=learn] .academy-course-path__tile:is(.is-ready,.is-current,.is-in-progress,.is-selected) .academy-lesson-node__body{fill:color-mix(in srgb, var(--lesson-state-color) 28%, var(--luki-surface-strong));stroke:var(--lesson-state-color)}.app-shell[data-ui-layer=outer][data-route=learn] .academy-course-path__tile:is(.is-ready,.is-current,.is-in-progress,.is-selected) .academy-lesson-node__eye{fill:var(--lesson-state-color);stroke:none}.app-shell[data-ui-layer=outer][data-route=learn] .academy-course-path__tile:is(.is-ready,.is-current,.is-in-progress,.is-selected) .academy-lesson-node__mouth{fill:none;stroke:var(--lesson-state-color)}.app-shell[data-ui-layer=outer][data-route=learn] .academy-course-path__tile.is-complete .academy-lesson-node__body{fill:#b8d6c1;stroke:var(--luki-success)}.app-shell[data-ui-layer=outer][data-route=learn] .academy-course-path__tile.is-complete .academy-lesson-node__eye{fill:var(--luki-success);stroke:none}.app-shell[data-ui-layer=outer][data-route=learn] .academy-course-path__tile.is-complete .academy-lesson-node__mouth{fill:none;stroke:var(--luki-success)}.app-shell[data-ui-layer=outer][data-route=learn] .academy-course-path__popover-action{border-color:var(--luki-brand);background:var(--luki-brand);box-shadow:none;color:#fff}.app-shell[data-ui-layer=outer][data-route=learn] .academy-course-path__popover-action:hover:not(:disabled){border-color:var(--luki-brand-strong);background:var(--luki-brand-strong)}.app-shell[data-ui-layer=outer][data-route=learn] .academy-course-path__popover-action:disabled{border-color:var(--luki-line);background:var(--luki-surface-soft);color:var(--luki-muted)}.app-shell[data-ui-layer=outer][data-route=learn] .academy-course-path__popover-close:hover{background:var(--luki-surface-soft);color:var(--luki-accent-strong)}.app-shell[data-ui-layer=outer] .achievement-reference-note,.app-shell[data-ui-layer=outer] .review-notebook-notice{border-color:color-mix(in srgb, var(--luki-warning) 30%, var(--luki-line));background:var(--luki-warning-soft);color:var(--luki-warning);box-shadow:none}.app-shell[data-ui-layer=outer] .page--reference .leaderboard-reward-note{border-color:var(--luki-line);background:var(--luki-surface-strong)}.app-shell[data-ui-layer=outer] .leaderboard-reward-note>svg,.app-shell[data-ui-layer=outer] .leaderboard-reward-note__rules strong{color:var(--luki-accent)}.app-shell[data-ui-layer=outer] .leaderboard-reward-note__rules 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.academy-course-path__tile-wrap{padding:0}.app-shell[data-ui-layer=outer][data-route=learn] .academy-course-path__tile{background:var(--lesson-state-soft);box-shadow:var(--lesson-state-shadow), var(--lesson-selection-shadow);text-align:left;border:1px solid #0000;border-radius:12px;grid-template-columns:30px minmax(0,1fr);place-items:center stretch;gap:7px;padding:5px 9px 5px 7px;display:grid}.app-shell[data-ui-layer=outer][data-route=learn] .academy-course-path__tile.is-locked{--lesson-state-color:color-mix(in srgb, var(--unit-tone) 10%, var(--luki-muted));--lesson-state-soft:color-mix(in srgb, var(--unit-tone) 2%, var(--luki-surface-strong));--lesson-state-shadow:inset 0 0 0 1px color-mix(in srgb, var(--luki-line) 56%, transparent)}.app-shell[data-ui-layer=outer][data-route=learn] .academy-course-path__tile.is-ready{--lesson-state-soft:color-mix(in srgb, var(--unit-tone) 7%, var(--luki-surface-strong));--lesson-state-shadow:inset 0 0 0 1px color-mix(in srgb, var(--unit-tone) 24%, var(--luki-line))}.app-shell[data-ui-layer=outer][data-route=learn] .academy-course-path__tile.is-current,.app-shell[data-ui-layer=outer][data-route=learn] .academy-course-path__tile.is-in-progress{--lesson-state-color:color-mix(in srgb, var(--unit-tone) 72%, var(--luki-brand-strong));--lesson-state-soft:color-mix(in srgb, var(--unit-tone) 11%, var(--luki-surface-strong));--lesson-state-shadow:inset 4px 0 var(--unit-tone), inset 0 0 0 1px color-mix(in srgb, var(--unit-tone) 24%, var(--luki-line))}.app-shell[data-ui-layer=outer][data-route=learn] .academy-course-path__tile.is-complete{--lesson-state-soft:color-mix(in srgb, var(--luki-success-soft) 46%, var(--luki-surface-strong));--lesson-state-shadow:inset 0 0 0 1px color-mix(in srgb, var(--luki-success) 16%, var(--luki-line))}.app-shell[data-ui-layer=outer][data-route=learn] 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svg{transform:rotate(180deg)}.app-shell[data-ui-layer=outer][data-route=learn] .academy-course-path__unit-more:hover{background:var(--luki-accent-soft)}.app-shell[data-ui-layer=outer][data-route=learn] .academy-course-path__unit-more:focus-visible{outline:2px solid color-mix(in srgb, var(--luki-accent) 48%, transparent);outline-offset:2px}@media (width>=1024px){.app-shell[data-ui-layer=outer][data-route=learn] .academy-flow-header{height:66px;min-height:66px;padding:10px 2px}}@media (width<=1180px){.app-shell[data-ui-layer=outer][data-route=learn] .academy-course-path__grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=1023px){.app-shell[data-ui-layer=outer][data-route=learn] .mobile-header,.app-shell[data-ui-layer=outer][data-route=learn] .bottom-nav{background:var(--luki-surface-strong)}.app-shell[data-ui-layer=outer][data-route=learn] .academy-course-path-page{width:min(760px,100% - 28px);margin-top:0}.app-shell[data-ui-layer=outer][data-route=learn] 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