:root{--safe-top:env(safe-area-inset-top,0px);--safe-right:env(safe-area-inset-right,0px);--safe-bottom:env(safe-area-inset-bottom,0px);--safe-left:env(safe-area-inset-left,0px);--bg-primary:#fff;--bg-secondary:#f5f5f5;--bg-tertiary:#e8e8e8;--text-primary:#000;--text-secondary:#4a4a4a;--text-tertiary:#7a7a7a;--border-color:#d0d0d0;--border-hover:#a0a0a0;--accent:gray;--accent-hover:#606060;--accent-light:silver;--success:#4a4a4a;--warning:#6a6a6a;--error:#2a2a2a;--shadow-sm:0 1px 2px #0000001a;--shadow-md:0 4px 6px #00000026;--shadow-lg:0 10px 15px #0003;--motion-duration-instant:.1s;--motion-duration-fast:.16s;--motion-duration-base:.24s;--motion-duration-slow:.36s;--motion-ease-standard:cubic-bezier(.2, 0, 0, 1);--motion-ease-emphasized:cubic-bezier(.2, .8, .2, 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var(--safe-top) - var(--safe-bottom));background-color:var(--bg-primary);justify-content:center;align-items:center;padding-block:6rem 7rem;display:flex;position:relative}.homepage-brand{position:absolute;top:max(1rem,2.5vh);left:max(1rem,3vw)}.devlog-brand{margin-bottom:1rem}html{scrollbar-gutter:stable}.marketing-shell{position:relative}.marketing-header{z-index:20;justify-content:space-between;align-items:center;gap:1rem;padding:max(1rem,2.5vh) max(1rem,3vw);display:flex;position:absolute;top:0;left:0;right:0}.marketing-header .auth-module{flex-shrink:0;padding:0;position:static}.auth-session-skeleton{border-radius:.5rem;width:6rem;height:3rem;display:block}.marketing-header .brand-logo{flex-shrink:1;min-width:0}.marketing-route-content{animation:.22s ease-out both marketing-content-enter}.marketing-route-content>main{animation:none}.marketing-route-content.is-exiting{pointer-events:none;animation:.16s ease-in both marketing-content-exit}.marketing-shell 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minmax(0,1.3fr);gap:clamp(2rem,7vw,7rem);padding:clamp(2rem,5vw,4rem);display:grid}.regional-special-heading>p{color:var(--regional-primary);letter-spacing:.13em;text-transform:uppercase;margin-bottom:.7rem;font-size:.76rem;font-weight:800}.regional-special-heading h2{max-width:15ch;color:var(--regional-ink);letter-spacing:-.045em;text-wrap:balance;font-size:clamp(2rem,4vw,3.25rem);line-height:1.05}.regional-special-grid{gap:1.25rem;display:grid}.regional-special-card{border:1px solid var(--regional-rule);background:var(--regional-surface);grid-template-columns:minmax(7rem,.42fr) minmax(0,1fr);min-height:17rem;display:grid}.regional-special-mark{border-right:1px solid var(--regional-rule);color:var(--regional-primary);letter-spacing:-.06em;white-space:nowrap;justify-content:center;align-items:center;padding:1rem;font-size:clamp(2.5rem,6vw,5rem);font-weight:800;display:flex}.regional-special-copy{flex-direction:column;align-items:flex-start;min-width:0;padding:1.5rem;display:flex}.regional-special-copy>p{color:var(--regional-primary);letter-spacing:.09em;text-transform:uppercase;font-size:.72rem;font-weight:800}.regional-special-copy h3{color:var(--regional-ink);letter-spacing:-.035em;margin-top:.55rem;font-size:clamp(1.45rem,2.5vw,2.15rem)}.regional-special-copy>span{color:var(--regional-muted);margin-top:.8rem;line-height:1.55}.regional-special-copy button{color:var(--regional-primary);background:0 0;border:0;align-items:center;gap:.6rem;margin-top:auto;padding-top:1.25rem;font-weight:800;display:inline-flex}.regional-special-copy button:disabled{color:var(--text-tertiary)}.regional-principles{border-top:1px solid var(--regional-rule);border-bottom:1px solid var(--regional-rule);grid-template-columns:minmax(15rem,.75fr) minmax(0,1.25fr);gap:clamp(2rem,7vw,7rem);padding:clamp(2rem,5vw,4rem) 0;display:grid}.regional-principle-list{display:grid}.regional-principle-list article{border-bottom:1px solid var(--regional-rule);grid-template-columns:2.5rem 1fr;gap:1rem;padding:1.25rem 0;display:grid}.regional-principle-list article:first-child{padding-top:0}.regional-principle-list article:last-child{border-bottom:0;padding-bottom:0}.regional-principle-list article>span{color:var(--regional-secondary);font-size:.75rem;font-weight:800}.regional-principle-list h3{color:var(--regional-ink);font-size:1.05rem}.regional-principle-list p{color:var(--regional-muted);margin-top:.25rem;line-height:1.55}.dashboard-skeleton-shell .dashboard-header{margin-bottom:2rem}.regional-dashboard-skeleton .skeleton{border-radius:0}.regional-skeleton-hero{min-height:32rem}.regional-skeleton-copy{justify-content:center}.regional-skeleton-headline{width:min(34rem,92%);height:clamp(5rem,12vw,9rem)}.regional-skeleton-headline-short{width:min(25rem,85%);height:clamp(4rem,8vw,6.5rem)}.regional-skeleton-art{border:1px solid var(--border-color);flex-direction:column;justify-content:space-between;min-height:22rem;padding:1.5rem;display:flex}.regional-skeleton-native{width:82%;height:clamp(4rem,9vw,7rem)}.regional-skeleton-section-title{width:min(38rem,100%);margin-bottom:2rem}.regional-skeleton-lane{gap:1rem}.regional-skeleton-lane .skeleton-action-button{margin-top:auto}.regional-skeleton-principles{min-height:16rem}.regional-dashboard[data-region=spanish]{--regional-primary:#174a8b;--regional-secondary:#d67b2c;--regional-paper:color-mix(in srgb, #f7e7bd 34%, var(--bg-primary));--regional-surface:color-mix(in srgb, #fff8e5 52%, var(--bg-secondary))}.regional-dashboard[data-region=spanish] .regional-hero{background-image:linear-gradient(90deg,#0000 49%,#174a8b1f 50% 51%,#0000 52%),linear-gradient(#0000 48%,#174a8b1f 49% 50%,#0000 51%);background-size:4rem 4rem;border:.65rem solid #174a8b}.regional-dashboard[data-region=spanish] .regional-art-back{background:conic-gradient(from 45deg, #174a8b 0 25%, #f2c34e 0 50%, #c74535 0 75%, #f7e7bd 0) 0 0 / 3.5rem 3.5rem}.regional-dashboard[data-region=spanish] .regional-art-front{background:#fffaf0;border:.45rem double #174a8b;box-shadow:.65rem .65rem #d67b2c}.regional-dashboard[data-region=spanish] .regional-lane{border:.35rem double #174a8b}.regional-dashboard[data-region=french]{--regional-primary:#142b67;--regional-secondary:#e23b45;--regional-paper:color-mix(in srgb, #f4f0e8 58%, var(--bg-primary))}.regional-dashboard[data-region=french] .regional-hero{border:0;border-left:.8rem solid #142b67;border-right:.8rem solid #e23b45;position:relative}.regional-dashboard[data-region=french] .regional-hero:after{background:var(--regional-rule);content:"";height:1px;position:absolute;bottom:1.5rem;left:0;right:0}.regional-dashboard[data-region=french] .regional-art-back{background:#e23b45}.regional-dashboard[data-region=french] .regional-art-front{background:#f5f1e8;border:0;border-top:1.2rem solid #142b67;box-shadow:.65rem .65rem #111}.regional-dashboard[data-region=french] .regional-lane:nth-child(2){transform:translateY(1.5rem)}.regional-dashboard[data-region=navajo]{--regional-primary:#8d3e24;--regional-secondary:#1498b8;--regional-paper:color-mix(in srgb, #e4c08b 36%, var(--bg-primary));--regional-surface:color-mix(in srgb, #f0d2a2 28%, var(--bg-secondary))}.regional-dashboard[data-region=navajo] .regional-hero{background:linear-gradient(180deg, color-mix(in srgb, #4fb7d4 25%, var(--bg-primary)) 0 46%, var(--regional-paper) 46% 100%);border:0;border-bottom:.6rem solid #8d3e24;position:relative;overflow:hidden}.regional-dashboard[data-region=navajo] .regional-hero:before,.regional-dashboard[data-region=navajo] .regional-hero:after{background:color-mix(in srgb, #8d3e24 78%, var(--bg-secondary));clip-path:polygon(0 100%,12% 68%,30% 66%,38% 20%,63% 20%,70% 68%,100% 76%,100% 100%);content:"";position:absolute;bottom:.6rem}.regional-dashboard[data-region=navajo] .regional-hero:before{opacity:.2;width:50%;height:42%;right:-5%}.regional-dashboard[data-region=navajo] .regional-art-back{clip-path:polygon(0 100%,0 32%,18% 32%,28% 0,69% 0,79% 38%,100% 38%,100% 100%);background:#1498b8}.regional-dashboard[data-region=navajo] .regional-art-front{background:#d89155;border:0;box-shadow:.65rem .65rem #6f321f}.regional-dashboard[data-region=navajo] .regional-art-front>strong,.regional-dashboard[data-region=navajo] .regional-art-label,.regional-dashboard[data-region=navajo] .regional-art-meta{color:#2f1d16}.regional-dashboard[data-region=navajo] .regional-art-front>strong{text-wrap:balance;white-space:normal;font-size:clamp(2.35rem,4vw,3.7rem);line-height:.92}.regional-dashboard[data-region=navajo] .regional-lane{box-shadow:inset 0 -1px 0 var(--regional-rule);border:0;border-top:.45rem solid #8d3e24}@media (min-width:961px) and (max-width:1120px){.regional-hero{grid-template-columns:minmax(0,1.05fr) minmax(15rem,.75fr);gap:clamp(2rem,4vw,3.25rem);min-height:32rem;padding:clamp(2rem,4vw,3.25rem)}.regional-hero h1{font-size:clamp(2.8rem,5.2vw,4rem)}.regional-visual{min-height:22rem}.regional-art-front{width:88%;min-height:16.5rem;right:5%}}.regional-dashboard[data-region=japanese]{--regional-primary:#a71930;--regional-secondary:#1c1c1c;--regional-paper:color-mix(in srgb, #f4efe4 55%, var(--bg-primary));--regional-surface:color-mix(in srgb, #fff 72%, var(--bg-secondary))}.regional-dashboard[data-region=japanese] .regional-hero{background-image:linear-gradient(90deg,#1c1c1c17 1px,#0000 1px),linear-gradient(#1c1c1c17 1px,#0000 1px);background-size:4.5rem 4.5rem;border-top:.2rem solid #1c1c1c;border-bottom:.2rem solid #a71930}.regional-dashboard[data-region=japanese] .regional-art-back{background:#1c1c1c;width:76%;height:86%;left:0;right:auto}.regional-dashboard[data-region=japanese] .regional-art-front{background:#f8f5ed;border:.12rem solid #1c1c1c;width:78%;min-height:19.5rem;right:0;box-shadow:.6rem .6rem #a71930}.regional-dashboard[data-region=japanese] .regional-art-front:after{z-index:1;content:"";background:#bc002d;border-radius:50%;width:4.25rem;height:4.25rem;position:absolute;top:-2rem;right:-2rem;box-shadow:0 0 0 .55rem #f4efe4}.regional-dashboard[data-region=japanese] .regional-art-label,.regional-dashboard[data-region=japanese] .regional-art-meta{z-index:2;position:relative}.regional-dashboard[data-region=japanese] .regional-lane{background:0 0;border:0;border-left:1px solid #1c1c1c}.regional-dashboard[data-region=japanese] .regional-special-section{background-image:linear-gradient(90deg,#1c1c1c14 1px,#0000 1px),linear-gradient(#1c1c1c14 1px,#0000 1px);background-size:4rem 4rem;border:1px solid #1c1c1c;border-left:0;border-right:0}.regional-dashboard[data-region=japanese] .regional-special-card{border:1px solid #1c1c1c}.regional-dashboard[data-region=japanese] .regional-special-mark{color:#fff;background:#bc002d}@media (max-width:600px){.regional-dashboard[data-region=japanese] .regional-art-front{width:88%;min-height:16rem}.regional-dashboard[data-region=japanese] .regional-art-front:after{width:3.4rem;height:3.4rem;top:-1.4rem;right:-1.1rem;box-shadow:0 0 0 .35rem #f4efe4}}.regional-dashboard[data-region=hebrew]{--regional-primary:#174ea6;--regional-secondary:#b78b4b;--regional-paper:color-mix(in srgb, #d9c29a 28%, var(--bg-primary));--regional-surface:color-mix(in srgb, #ead9b9 25%, var(--bg-secondary))}.regional-dashboard[data-region=hebrew] .regional-hero{background-image:linear-gradient(90deg,#9d7b4c1f 1px,#0000 1px),linear-gradient(#9d7b4c1f 1px,#0000 1px);background-size:5rem 2.5rem;border:.3rem solid #174ea6}.regional-dashboard[data-region=hebrew] .regional-art-back{background-color:#d6bd91;background-image:linear-gradient(90deg,#0000 48%,#174ea673 49% 51%,#0000 52%),linear-gradient(#0000 48%,#174ea673 49% 51%,#0000 52%),none;background-position:0 0,0 0,0 0;background-repeat:repeat,repeat,repeat;background-size:4rem 2.5rem;background-attachment:scroll,scroll,scroll;background-origin:padding-box,padding-box,padding-box;background-clip:border-box,border-box,border-box}.regional-dashboard[data-region=hebrew] .regional-art-front{background:#f1e3c7;border:.2rem solid #174ea6;align-items:flex-end;box-shadow:.65rem .65rem #b78b4b}.regional-dashboard[data-region=hebrew] .regional-art-front>strong{text-align:right;width:100%}.regional-dashboard[data-region=hebrew] .regional-art-label,.regional-dashboard[data-region=hebrew] .regional-art-meta{width:100%}.regional-dashboard[data-region=hebrew] .regional-lane{border:.2rem solid #174ea6;box-shadow:.35rem .35rem #b78b4b}.regional-dashboard[data-region=hebrew] .regional-special-section{background-image:linear-gradient(90deg,#9d7b4c1a 1px,#0000 1px),linear-gradient(#9d7b4c1a 1px,#0000 1px);background-size:5rem 2.5rem;border:.3rem solid #174ea6}.regional-dashboard[data-region=hebrew] .regional-special-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.regional-dashboard[data-region=hebrew] .regional-special-card{grid-template-columns:1fr;box-shadow:.35rem .35rem #b78b4b}.regional-dashboard[data-region=hebrew] .regional-special-mark{color:#fff;background:#174ea6;border-bottom:1px solid #174ea6;border-right:0;min-height:7rem}@media (max-width:960px){.regional-hero,.regional-section-heading,.regional-principles,.regional-special-section{grid-template-columns:1fr}.regional-hero{min-height:0}.regional-visual{width:min(100%,34rem)}.regional-lane-grid,.regional-curriculum-grid{grid-template-columns:1fr}.regional-lane{min-height:20rem}.regional-dashboard[data-region=french] .regional-lane:nth-child(2){transform:none}.regional-dashboard[data-region=hebrew] .regional-special-grid{grid-template-columns:1fr}}@media (max-width:600px){.regional-dashboard{gap:4rem}.regional-hero{gap:2rem;padding:1.5rem}.regional-hero h1{font-size:clamp(2.4rem,13vw,3.5rem)}.regional-identity{margin-bottom:1.75rem}.regional-visual{min-height:20rem}.regional-art-front{width:88%;min-height:15rem;padding:1.25rem;right:5%}.regional-art-front>strong{font-size:clamp(2.35rem,11vw,3.85rem)}.regional-art-meta{flex-direction:column}.regional-section-heading{grid-template-columns:1fr;gap:1rem}.regional-lane{min-height:18rem}.regional-special-section{padding:1.5rem}.regional-special-card{grid-template-columns:1fr}.regional-special-mark{border-right:0;border-bottom:1px solid var(--regional-rule);min-height:7rem}}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(12rem,1fr));gap:1.5rem;width:100%;display:grid}.stat-card{background-color:var(--bg-secondary);border:1px solid var(--border-color);text-align:center;border-radius:.75rem;padding:2rem;transition:all .2s}.stat-card:hover{border-color:var(--border-hover);box-shadow:var(--shadow-sm)}.stat-value{color:var(--text-primary);margin-bottom:.5rem;font-size:clamp(2rem,4vw,3rem);font-weight:700}.stat-label{color:var(--text-secondary);font-size:clamp(.875rem,1.5vw,1rem)}.daily-goal-form{flex-wrap:wrap;align-items:center;gap:12px;margin:20px 0;display:flex}.daily-goal-form label{flex-basis:100%}.study-reminder{margin:24px 0}.study-reminder summary{cursor:pointer}.study-reminder>p{margin-top:16px}.study-reminder input{border:1px solid var(--border-color);max-width:100%;color:var(--text-primary);background:var(--bg-primary);font:inherit;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;border-radius:8px;padding:10px}@media (prefers-color-scheme:dark){.study-reminder input{--lightningcss-light: ;--lightningcss-dark:initial}}.daily-goal-form .view-all-button,.course-themed .study-activity .daily-goal-form .view-all-button{color:var(--text-primary)}.dashboard-shell>.learner-dictionary{margin-top:3rem}.daily-goal-form select{font:inherit;color:inherit;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:8px;padding:10px}.dictionary-page .dashboard-content{max-width:800px;margin:0 auto}.dictionary-page .dashboard-content>a{align-self:flex-start}.dictionary-search{flex-wrap:wrap;align-items:center;gap:12px;margin:24px 0;display:flex}.dictionary-search label{flex-basis:100%}.dictionary-search input[type=search]{border:1px solid var(--border-color,#888);min-width:0;color:inherit;font:inherit;background:0 0;border-radius:8px;flex:1;padding:12px}.dictionary-words{margin:24px 0}.dictionary-words>div{border-bottom:1px solid var(--border-color,#888);overflow-wrap:anywhere;padding:16px 0}.dictionary-words dt{font-weight:600}.dictionary-words dd{margin:6px 0 0}.dictionary-words small{opacity:.7;margin-top:6px;display:block}.dictionary-words .view-all-button{align-items:center;display:inline-flex}.dictionary-words dd>p,.dictionary-save{margin:12px 0}.dictionary-save p{margin:8px 0}.dictionary-search input[type=checkbox]{margin-right:6px}.dictionary-pagination{justify-content:space-between;align-items:center;gap:12px;display:flex}.learner-dictionary button:disabled{opacity:.5;cursor:default}.dictionary-preview{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:.75rem;justify-content:center;align-items:center;min-height:10rem;padding:3rem;display:flex}.empty-state{color:var(--text-tertiary);text-align:center;font-size:clamp(1rem,2vw,1.125rem)}.charts-container{grid-template-columns:repeat(auto-fit,minmax(20rem,1fr));gap:2rem;width:100%;display:grid}.chart-card{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:.75rem;min-height:15rem;padding:2rem}.chart-title{color:var(--text-primary);margin-bottom:1.5rem;font-size:clamp(1.125rem,2vw,1.5rem);font-weight:600}.chart-placeholder{background-color:var(--bg-tertiary);border:1px dashed var(--border-color);border-radius:.5rem;justify-content:center;align-items:center;height:12rem;display:flex}.chart-empty{color:var(--text-tertiary);text-align:center;font-size:.9375rem}@media (max-width:768px){.dashboard-page{padding:3vh 4vw 8rem}.dashboard-header{margin-bottom:3vh}.next-lesson-card{flex-direction:column;align-items:flex-start;padding:1.5rem}.start-lesson-button{width:100%}.stats-grid{grid-template-columns:repeat(2,1fr);gap:1rem}.stat-card{padding:1.5rem}.charts-container{grid-template-columns:1fr;gap:1.5rem}.chart-card{padding:1.5rem}}@media (max-width:480px){.dashboard-page{padding:2vh 3vw 8rem}.stats-grid{grid-template-columns:1fr}.next-lesson-card{padding:1.25rem}.dictionary-preview{min-height:8rem;padding:2rem 1.5rem}.chart-card{min-height:12rem;padding:1.25rem}.chart-placeholder{height:10rem}}.lesson-page{background-color:var(--bg-primary);flex-direction:column;justify-content:center;align-items:center;width:100%;min-width:0;min-height:100vh;padding:5vh 5vw 8rem;display:flex;position:relative;overflow-x:clip}.lesson-loading{color:var(--text-secondary);text-align:center;font-size:1.5rem}.regional-curriculum-cefr{border:1px solid var(--regional-primary);color:var(--regional-primary);letter-spacing:.08em;text-transform:uppercase;align-self:flex-start;margin-top:.65rem;padding:.28rem .45rem;font-size:.7rem;font-weight:850}.regional-curriculum-details{border-top:1px solid var(--regional-rule);gap:.9rem;margin-top:1.2rem;padding-top:1rem;display:grid}.regional-curriculum-details strong{color:var(--regional-ink);letter-spacing:.08em;text-transform:uppercase;font-size:.72rem}.regional-curriculum-details ul{color:var(--regional-muted);gap:.3rem;margin:.45rem 0 0;padding-left:1rem;font-size:.78rem;line-height:1.4;display:grid}.lesson-loading-status{color:var(--text-secondary);letter-spacing:.02em;margin-bottom:.25rem;font-size:.95rem;font-weight:650}.lesson-progress-bar{background-color:var(--bg-tertiary);z-index:100;width:100%;height:.5rem;position:fixed;top:0;left:0}.lesson-progress-fill{background-color:var(--accent);height:100%;transition:width var(--motion-duration-base) var(--motion-ease-standard)}.lesson-card-container{perspective:1000px;width:100%;min-width:0;max-width:35rem;margin:clamp(1.25rem,4vh,2rem) 0}.lesson-card{width:100%;min-width:0;height:auto;min-height:25rem;box-shadow:var(--shadow-lg);background:linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);border:2px solid var(--border-color);transition:border-color var(--motion-duration-base) var(--motion-ease-standard), box-shadow var(--motion-duration-base) var(--motion-ease-standard), transform var(--motion-duration-base) 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