.lv2-root{position:relative;isolation:isolate;--font-sans:var(--font-geist-sans),"Geist",system-ui,sans-serif;--font-display:var(--font-fqs-body),"Instrument Sans","Roobert",sans-serif;--font-display-src:var(--font-fqs-body),"Instrument Sans","Roobert",sans-serif;--font-mono:var(--font-geist-mono),ui-monospace,monospace;--bg:#0a0e16;--bg-deep:#070b13;--surface:#0f141e;--surface-2:#151b27;--surface-3:#1a2230;--surface-hi:#1a2230;--border:#222b3a;--border-strong:#2c3648;--border-hi:#38445a;--text:#e9edf6;--text-mute:#96a1b5;--text-dim:#697587;--accent:#3ba6f1;--accent-2:#60b8f5;--accent-hover:#3398e1;--accent-ink:#0c0a09;--accent-ghost:rgba(59,166,241,0.16);--accent-line:rgba(59,166,241,0.30);--success:#33c27f;--success-tint:rgba(51,194,127,0.16);--danger:#ff5c6c;--danger-tint:rgba(255,92,108,0.14);--warn:#f5b740;--orange:var(--accent);--orange-hi:var(--accent-hover);--orange-text:var(--accent);--orange-fg:var(--accent-ink);--orange-soft:var(--accent-ghost);--orange-ring:var(--accent-line);--background:var(--bg);--foreground:var(--text);--card:var(--surface);--card-foreground:var(--text);--popover:var(--surface);--popover-foreground:var(--text);--muted:var(--surface-2);--muted-foreground:var(--text-mute);--secondary:var(--surface-2);--secondary-foreground:var(--text);--input:var(--border-strong);--primary:var(--accent);--primary-foreground:var(--accent-ink);--ring:var(--accent);--accent-foreground:var(--accent-ink);--brand:var(--accent);--brand-hover:var(--accent-hover);--brand-foreground:var(--accent-ink);--brand-soft:var(--accent-ghost);--brand-border:var(--accent-line);--brand-glow:var(--accent-line);background:var(--bg);color:var(--text);font-family:var(--font-sans);letter-spacing:-.01em}[data-theme=dark] .cls-root,[data-theme=dark] .lv2-root{background:transparent}[data-theme=light] .lv2-root{--bg:#eef2f9;--bg-deep:#e4e9f2;--surface:#ffffff;--surface-2:#f4f7fd;--surface-3:#ffffff;--surface-hi:#ffffff;--border:#e4e9f2;--border-strong:#d6deea;--border-hi:#c4cedd;--text:#141d33;--text-mute:#5b6884;--text-dim:#8593aa;--accent-ghost:rgba(59,166,241,0.10);--success-tint:rgba(51,194,127,0.12);--danger-tint:rgba(255,92,108,0.10);color-scheme:light}.lv2-root .brand-shell{--bg-deep:oklch(0 0 0);--bg:oklch(0 0 0);--surface:oklch(0.1380 0.0045 270);--surface-2:oklch(0.1560 0.0050 270);--surface-3:oklch(0.1900 0.0060 270);--primary:var(--accent);--primary-foreground:var(--accent-ink);--accent-foreground:var(--accent-ink);--brand:var(--accent);--brand-hover:var(--accent-hover);--brand-foreground:var(--accent-ink);--brand-soft:var(--accent-ghost);--brand-border:var(--accent-line);--brand-glow:var(--accent-line)}[data-theme=light] .lv2-root .brand-shell{--bg-deep:oklch(0.9645 0.0139 88.7);--bg:oklch(1 0 0);--surface:oklch(1 0 0);--surface-2:oklch(0.9495 0.0140 88.7);--surface-3:oklch(0.9200 0.0160 88.7);--text:oklch(0.2316 0.0038 286.1);--text-mute:oklch(0.4450 0.0090 286.1);--text-dim:oklch(0.5250 0.0085 286.1);--border:oklch(0.8642 0.0226 89.8);--border-strong:oklch(0.8000 0.0300 89.0);color-scheme:light}.cls-root{min-height:100dvh;background:var(--bg);color:var(--text)}.cls-root.cls-root--app{min-height:0}.cls-player{height:calc(100dvh - 56px - var(--promobar-h, 0px))}.cls-player,.cls-sidebar{display:flex;min-height:0}.cls-sidebar{width:336px;flex-shrink:0;border-right:1px solid var(--border);background:var(--surface);flex-direction:column}.cls-main{flex:1;min-width:0;overflow-y:auto}.cls-scroll{overflow-y:auto;min-height:0}.cls-main,.cls-scroll{scrollbar-width:thin;scrollbar-color:var(--border-strong) transparent}.cls-main::-webkit-scrollbar,.cls-scroll::-webkit-scrollbar{width:8px}.cls-main::-webkit-scrollbar-track,.cls-scroll::-webkit-scrollbar-track{background:transparent}.cls-main::-webkit-scrollbar-thumb,.cls-scroll::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:4px}@media (max-width:1023.98px){.cls-sidebar{position:fixed;top:calc(56px + var(--promobar-h, 0px));bottom:0;left:0;z-index:30;transform:translateX(-100%);transition:transform .18s ease}.cls-sidebar.is-open{transform:none}}@media (prefers-reduced-motion:reduce){.cls-sidebar{transition:none}}.cf-library{padding-bottom:64px}.cf-library-hero{margin-bottom:28px}.cf-eyebrow{margin:0 0 8px;color:var(--fcm-muted);font-size:13px;font-weight:600}.cf-library-tools{padding:20px}.cf-control-label{display:block;margin-bottom:8px;color:var(--fcm-ink);font-size:13px;font-weight:500}.cf-search{min-width:220px}.cf-instructor{width:220px}.cf-filter-chip{min-height:44px;padding-inline:16px}.cf-filter-chip[aria-pressed=true]{background:color-mix(in srgb,var(--fcm-accent) 14%,var(--fcm-surface));border-color:var(--fcm-accent-edge);color:var(--fcm-ink)}.cf-course-card{min-width:0;border-radius:var(--fcm-radius-feature);border-color:var(--fcm-border);box-shadow:0 3px 0 var(--fcm-border);transition:border-color .15s ease,box-shadow .15s ease}.cf-course-card:focus-within,.cf-course-card:hover{border-color:var(--fcm-accent-edge);box-shadow:0 3px 0 var(--fcm-accent-edge)}.cf-course-card h3{font-size:19px;line-height:1.35}.cf-course-body>div:nth-child(2)>p:last-child{line-height:1.6}.cf-card-progress{padding-top:8px}.cf-course-action{margin-top:5px}.cf-course-fallback{background:var(--fcm-surface-muted)}.cf-course-fallback-label{color:var(--fcm-ink);font-size:17px;font-weight:600;letter-spacing:-.02em}.cf-course-fallback-label>span{display:block;margin-top:6px;color:var(--fcm-muted);font-size:12px;font-weight:400;letter-spacing:0}.cf-course-fallback>img{max-width:52%}.cf-resume{align-items:center;border-radius:var(--fcm-radius-feature);border-color:var(--fcm-accent-edge);background:var(--fcm-surface)}.cf-resume>span:first-child{align-self:stretch;width:230px}.cf-resume-action{flex-shrink:0;margin:20px}.cf-shelf-heading{border-left:3px solid var(--fcm-accent);padding-left:14px}.cf-shelf-heading h2{font-size:22px}.cf-shelf-heading p{margin-top:4px;line-height:1.6}.cf-management-mode{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px}.cf-management-mode button{white-space:normal}.cf-preview-note{margin-bottom:20px;padding:14px 16px;border-left:3px solid var(--fcm-accent);background:var(--fcm-surface-muted);font-size:14px;line-height:1.6;color:var(--fcm-muted)}.cf-management-tools{padding:18px}.cf-management-tools input,.cf-management-tools select{min-height:44px}.cf-reorder button{min-width:36px;min-height:36px;color:var(--fcm-ink)}.cf-admin-card-actions button{min-height:44px}.cf-workspace{color:var(--fcm-ink)}.cf-workspace-toolbar{background:var(--fcm-surface)}.cf-complete-button{min-height:44px;height:auto;white-space:normal;line-height:1.3;padding-block:10px}.cf-outline{background:var(--fcm-surface)}.cf-outline-progress{margin-top:20px}.cf-outline-progress p{margin-bottom:10px;color:var(--fcm-muted);font-size:12px;line-height:1.5;font-variant-numeric:tabular-nums}.cf-outline-module{border-color:var(--fcm-border);border-radius:var(--fcm-radius-card)}.cf-outline-module>button{min-height:52px}.cf-outline-lesson{position:relative;border-left:3px solid transparent}.cf-outline-lesson.is-current{background:color-mix(in srgb,var(--fcm-accent) 12%,var(--fcm-surface));border-left-color:var(--fcm-accent)}.cf-current-label{display:inline-block;margin-top:5px;color:var(--fcm-ink);font-size:11px;font-weight:600}.cf-lesson-context{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px}.cf-lesson-position{display:inline-flex;align-items:center;min-height:30px;padding:5px 10px;border:1px solid var(--fcm-border-strong);border-radius:8px;font-size:12px;font-weight:600;font-variant-numeric:tabular-nums;background:var(--fcm-surface)}.cf-lesson-heading{max-width:28ch;letter-spacing:-.025em;overflow-wrap:anywhere}.cf-lesson-body{width:100%}.cf-lesson-body .lesson-guide :is(h2,h3,h4){color:var(--fcm-ink);font-family:var(--fcm-font-heading);font-weight:500;text-transform:none;letter-spacing:-.015em;line-height:1.3}.cf-lesson-body .lesson-guide h2{font-size:24px}.cf-lesson-body .lesson-guide h3{font-size:20px}.cf-lesson-body .lesson-guide h4{font-size:18px}.cf-lesson-body .lesson-guide{max-width:76ch;font-size:16px;line-height:1.8;overflow-wrap:anywhere}.cf-media{box-shadow:0 4px 0 var(--fcm-border)}.cf-learning-notes{padding:24px}.cf-learning-notes h2{font-size:22px;line-height:1.4}.cf-learning-notes p{overflow-wrap:anywhere}.cf-note-transcript summary{min-height:44px;padding:10px 0;cursor:pointer;font-size:14px;font-weight:500}.cf-note-transcript summary:focus-visible{outline:2px solid var(--fcm-accent);outline-offset:4px;border-radius:4px}.cf-lesson-navigation button{min-height:76px;padding-block:12px}.cf-next-lesson{border-color:var(--fcm-accent-edge);background:color-mix(in srgb,var(--fcm-accent) 10%,var(--fcm-surface));box-shadow:0 3px 0 var(--fcm-accent-edge)}.cf-course-finished{display:flex;flex-wrap:wrap;gap:16px;align-items:center;margin-top:32px;padding:22px}.cf-course-finished h2{font-size:18px;font-weight:600;line-height:1.4}.cf-course-finished p{margin-top:5px;font-size:14px;color:var(--fcm-muted)}.cf-course-finished a{margin-left:auto}@media (max-width:900px){.cf-resume{flex-wrap:wrap}.cf-resume>span:first-child{width:200px}.cf-resume-action{margin-top:0;margin-left:20px}}@media (max-width:639px){.cf-library-tools,.cf-management-tools{padding:16px}.cf-library-tools>div>div:first-child{align-items:stretch}.cf-instructor,.cf-search{min-width:0;width:100%;flex-basis:100%}.cf-filter-topics{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px}.cf-filter-chip{flex-shrink:0;white-space:nowrap}.cf-view-switch{max-width:100%}.cf-resume>span:nth-child(2){width:100%;flex-basis:100%}.cf-learning-notes{padding:18px}.cf-workspace-toolbar,.cf-workspace-toolbar>div{gap:6px}.cf-workspace-toolbar>div:first-child>a{display:none}.cf-complete-button{font-size:12px;max-width:min(230px,calc(100vw - 136px))}.cf-lesson-heading{font-size:27px;line-height:1.2}.cf-course-finished a{margin-left:0}.cf-lesson-navigation>span[aria-hidden]{display:none}.cf-media [role=alert]{padding:12px}.cf-media [role=alert] p+p{font-size:12px}.cf-media [role=alert] .mt-4{margin-top:8px}}@media (prefers-reduced-motion:reduce){.cf-library *,.cf-workspace *{animation:none!important;transition:none!important}}