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#121214;--color-surface: #202024;--color-surface-elevated: #252529;--color-surface-darker: #1a1a1e;--color-surface-hover: #2a2a2f;--color-text: #e1e1e6;--color-text-muted: #7c7c8a;--color-border: #323238;--color-sidebar: #121214;--color-sidebar-border: #29292e;--color-sidebar-text: #e1e1e6;--color-sidebar-muted: #7c7c8a;--color-success: #22c55e;--color-error: #ef4444;--color-warning: #fbbf24}*,*:before,*:after{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:var(--font-sans);background-color:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased}:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}@keyframes dialog-in{0%{opacity:0;transform:scale(.985) translateY(3px)}to{opacity:1;transform:scale(1) translateY(0)}}.dialog-animate{animation:dialog-in .12s cubic-bezier(.16,1,.3,1);will-change:transform,opacity}@media(prefers-reduced-motion:reduce){.dialog-animate,.cdk-overlay-container 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cubic-bezier(.22,1,.36,1),opacity .65s cubic-bezier(.4,0,.2,1),box-shadow .75s ease,border-radius .5s ease;animation:cinema-video-enter .85s cubic-bezier(.22,1,.36,1) both}body.study-focus--lights-off .lesson-page__player-wrap--cinema app-bunny-video-player{display:block;width:min(94vw,1500px);max-width:100%}@keyframes cinema-video-enter{0%{opacity:.65;transform:scale(.94) translateY(10px)}to{opacity:1;transform:scale(1) translateY(0)}}@media(prefers-reduced-motion:reduce){body.study-focus--lights-off .platform-sidebar,body.study-focus--lights-off .toolbar,body.study-focus--lights-off .platform-quota-nudge,body.study-focus--lights-off .course-shell__sidebar,body.study-focus--lights-off .course-shell__toggle,body.study-focus--lights-off .platform-backdrop,body.study-focus--lights-off .course-shell__backdrop,body.study-focus--lights-off .lesson-page__top,body.study-focus--lights-off .lesson-page__meta,body.study-focus--lights-off .lesson-page__progress,body.study-focus--lights-off .lesson-page__next-card,body.study-focus--lights-off .lesson-comments,.lesson-page__cinema-overlay,.lesson-page__focus-bar,body.study-focus--lights-off .lesson-page__player-wrap--cinema .bunny-player{transition:none;animation:none;transform:none}}@property --tw-rotate-x{syntax: "*"; inherits: false;}@property --tw-rotate-y{syntax: "*"; inherits: false;}@property --tw-rotate-z{syntax: "*"; inherits: false;}@property --tw-skew-x{syntax: "*"; inherits: false;}@property --tw-skew-y{syntax: "*"; inherits: false;}@property --tw-border-style{syntax: "*"; inherits: false; initial-value: solid;}@property --tw-shadow{syntax: "*"; inherits: false; initial-value: 0 0 #0000;}@property --tw-shadow-color{syntax: "*"; inherits: false;}@property --tw-shadow-alpha{syntax: "<percentage>"; inherits: false; initial-value: 100%;}@property --tw-inset-shadow{syntax: "*"; inherits: false; initial-value: 0 0 #0000;}@property --tw-inset-shadow-color{syntax: "*"; inherits: false;}@property --tw-inset-shadow-alpha{syntax: "<percentage>"; inherits: false; initial-value: 100%;}@property --tw-ring-color{syntax: "*"; inherits: false;}@property --tw-ring-shadow{syntax: "*"; inherits: false; initial-value: 0 0 #0000;}@property --tw-inset-ring-color{syntax: "*"; inherits: false;}@property --tw-inset-ring-shadow{syntax: "*"; inherits: false; initial-value: 0 0 #0000;}@property --tw-ring-inset{syntax: "*"; inherits: false;}@property --tw-ring-offset-width{syntax: "<length>"; inherits: false; initial-value: 0px;}@property --tw-ring-offset-color{syntax: "*"; inherits: false; initial-value: #fff;}@property --tw-ring-offset-shadow{syntax: "*"; inherits: false; initial-value: 0 0 #0000;}@property --tw-outline-style{syntax: "*"; inherits: false; initial-value: solid;}@property --tw-blur{syntax: "*"; inherits: false;}@property --tw-brightness{syntax: "*"; inherits: false;}@property --tw-contrast{syntax: "*"; inherits: false;}@property --tw-grayscale{syntax: "*"; inherits: false;}@property --tw-hue-rotate{syntax: "*"; inherits: false;}@property --tw-invert{syntax: "*"; inherits: false;}@property --tw-opacity{syntax: "*"; inherits: false;}@property --tw-saturate{syntax: "*"; inherits: false;}@property --tw-sepia{syntax: "*"; inherits: false;}@property --tw-drop-shadow{syntax: "*"; inherits: false;}@property --tw-drop-shadow-color{syntax: "*"; inherits: false;}@property --tw-drop-shadow-alpha{syntax: "<percentage>"; inherits: false; initial-value: 100%;}@property --tw-drop-shadow-size{syntax: "*"; inherits: false;}@property --tw-backdrop-blur{syntax: "*"; inherits: false;}@property --tw-backdrop-brightness{syntax: "*"; inherits: false;}@property --tw-backdrop-contrast{syntax: "*"; inherits: false;}@property --tw-backdrop-grayscale{syntax: "*"; inherits: false;}@property --tw-backdrop-hue-rotate{syntax: "*"; inherits: false;}@property --tw-backdrop-invert{syntax: "*"; inherits: false;}@property --tw-backdrop-opacity{syntax: "*"; inherits: false;}@property --tw-backdrop-saturate{syntax: "*"; inherits: false;}@property --tw-backdrop-sepia{syntax: "*"; inherits: false;}@property --tw-ease{syntax: "*"; inherits: false;}@layer properties{@supports ((-webkit-hyphens: none) and (not (margin-trim: inline))) or ((-moz-orient: inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-rotate-x: initial;--tw-rotate-y: initial;--tw-rotate-z: initial;--tw-skew-x: initial;--tw-skew-y: initial;--tw-border-style: solid;--tw-shadow: 0 0 #0000;--tw-shadow-color: initial;--tw-shadow-alpha: 100%;--tw-inset-shadow: 0 0 #0000;--tw-inset-shadow-color: initial;--tw-inset-shadow-alpha: 100%;--tw-ring-color: initial;--tw-ring-shadow: 0 0 #0000;--tw-inset-ring-color: initial;--tw-inset-ring-shadow: 0 0 #0000;--tw-ring-inset: initial;--tw-ring-offset-width: 0px;--tw-ring-offset-color: #fff;--tw-ring-offset-shadow: 0 0 #0000;--tw-outline-style: solid;--tw-blur: initial;--tw-brightness: initial;--tw-contrast: initial;--tw-grayscale: 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