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html{scrollbar-gutter:stable;scrollbar-color:color-mix(in srgb, var(--muted) 65%, var(--accent)) transparent}.no-script-notice{z-index:1000;border-bottom:1px solid color-mix(in srgb, var(--accent) 35%, var(--border));background:color-mix(in srgb, var(--surface) 92%, var(--accent) 8%);color:var(--text);text-align:center;font:600 14px/1.5 var(--font-ui), Arial, sans-serif;padding:14px 24px;position:relative}.no-script-notice span{color:var(--muted);font-weight:500}@media (pointer:fine){:where(html,dialog,[data-learning-settings-dialog]){scrollbar-width:thin}:where(html,dialog,[data-learning-settings-dialog])::-webkit-scrollbar{width:10px;height:10px}:where(html,dialog,[data-learning-settings-dialog])::-webkit-scrollbar-thumb{background:color-mix(in srgb, var(--muted) 65%, var(--accent));background-clip:padding-box;border:2px solid #0000;border-radius:999px}:where(html,dialog,[data-learning-settings-dialog])::-webkit-scrollbar-thumb:hover{background-color:var(--accent)}:where(html,dialog,[data-learning-settings-dialog])::-webkit-scrollbar-track{background:0 0}:where(html,dialog,[data-learning-settings-dialog])::-webkit-scrollbar-corner{background:0 0}}@supports not (scrollbar-gutter:stable){html{overflow-y:scroll}}.nav{--toolbar-surface:#fff;--toolbar-edge:#d9dae0;--toolbar-shadow:#15151b0f;font-family:var(--font-ui), Arial, sans-serif;z-index:80;background-color:var(--toolbar-surface);width:100%;max-width:none;box-shadow:0 1px 0 var(--toolbar-edge), 0 5px 18px var(--toolbar-shadow);background-image:linear-gradient(110deg,#6253d50a,#0000 65%);border-radius:0 0 20px 20px;gap:24px;padding:24px max(36px,50% - 560px);position:relative;top:0}html[data-theme=dark] .nav{--toolbar-surface:#18171c;--toolbar-edge:#36333f;--toolbar-shadow:#00000040}html[data-theme-changing=true] .nav{transition:--toolbar-surface .24s,--toolbar-edge .24s,--toolbar-shadow .24s}html[data-theme-changing=true] .brand img{transition:filter .24s}html[data-toolbar=pinned] .nav,.nav[data-releasing=true]{position:sticky}.nav[data-releasing=true]{pointer-events:none}@supports ((-webkit-backdrop-filter:blur(8px)) or (backdrop-filter:blur(8px))){.nav{isolation:isolate;background-color:color-mix(in srgb, var(--toolbar-surface) 92%, transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.nav:before{content:"";z-index:-1;pointer-events:none;border-radius:inherit;background-color:var(--toolbar-surface);position:absolute;inset:0;-webkit-mask-image:linear-gradient(#000,#0000);mask-image:linear-gradient(#000,#0000)}}html[data-toolbar=pinned]:has(body>.nav){scroll-padding-top:108px}@media (max-width:760px){html[data-toolbar=pinned]:has(body>.nav){scroll-padding-top:96px}}.nav .brand{letter-spacing:-1.2px;font-size:25px;font-weight:800}.nav nav{gap:24px}.nav .theme-toggle{width:34px;height:34px}.desktop-navigation{align-items:center;gap:clamp(12px,2vw,24px);display:flex}.public-home-link{min-height:44px;color:var(--text);align-items:center;gap:7px;font-size:13px;font-weight:700;display:inline-flex}.mobile-navigation{display:none;position:relative}.mobile-navigation>button{border:1px solid var(--border);background:var(--surface);width:44px;height:44px;color:var(--text);cursor:pointer;border-radius:12px;justify-content:center;align-items:center;list-style:none;display:flex}@media (max-width:900px){.launch-navigation .desktop-navigation{display:none}.mobile-navigation{flex:none;display:block}.nav .launch-navigation{gap:12px}.nav .launch-navigation>a{min-height:44px}.nav:has(.launch-navigation) .brand{flex-shrink:0}}@media (max-width:760px){.nav{gap:14px;padding:20px 24px}.nav .brand{gap:7px;font-size:21px}.nav .brand img{width:34px;height:34px}.nav nav{flex-wrap:nowrap;gap:13px}body>footer{padding:26px 24px}}@media (max-width:430px){.nav{gap:8px;padding:18px 20px}.nav .brand{font-size:19px}.nav nav{gap:10px}.nav .theme-toggle{width:44px;height:44px;font-size:16px}.nav .brand img{width:28px;height:28px}}@media (max-width:380px){.nav .brand img{display:block}.nav .brand{font-size:18px}.nav nav{gap:6px}}.nav [data-learning-settings-trigger]{flex:0 0 44px;width:44px;height:44px}.privacy-details{color:var(--muted);margin-top:16px;font-size:13px}.privacy-details button{cursor:pointer;width:fit-content;min-height:36px;font-weight:650}body:has(main[data-standalone-demo-active=true])>.nav{display:none}body:has(main[data-standalone-demo-active=true])>footer{display:none}body:has(main[data-standalone-demo-active=true]) [data-demo-chrome]{display:none}
html[data-motion=reduced]{scroll-behavior:auto}@property --bg{syntax:"<color>";inherits:true;initial-value:#090a0c}@property --surface{syntax:"<color>";inherits:true;initial-value:#15161c}@property --text{syntax:"<color>";inherits:true;initial-value:#f7f7f5}@property --muted{syntax:"<color>";inherits:true;initial-value:#b0b2bf}@property --border{syntax:"<color>";inherits:true;initial-value:#363845}@property --accent{syntax:"<color>";inherits:true;initial-value:#a69bff}@property --success{syntax:"<color>";inherits:true;initial-value:#8ce0b2}@property --error{syntax:"<color>";inherits:true;initial-value:#ffb0ab}@property --section-reading{syntax:"<color>";inherits:true;initial-value:#aba0ff}@property --section-listening{syntax:"<color>";inherits:true;initial-value:#78c7d1}@property --section-writing{syntax:"<color>";inherits:true;initial-value:#d9b181}@property --section-speaking{syntax:"<color>";inherits:true;initial-value:#dfa1be}@property --workspace-bg{syntax:"<color>";inherits:true;initial-value:#101014}@property --workspace-surface{syntax:"<color>";inherits:true;initial-value:#18171d}@property --workspace-surface-strong{syntax:"<color>";inherits:true;initial-value:#211e29}@property --workspace-text{syntax:"<color>";inherits:true;initial-value:#f7f5f1}@property --workspace-muted{syntax:"<color>";inherits:true;initial-value:#b7b1c1}@property --workspace-faint{syntax:"<color>";inherits:true;initial-value:#a29baa}@property --workspace-border{syntax:"<color>";inherits:true;initial-value:#3e384a}@property --workspace-border-strong{syntax:"<color>";inherits:true;initial-value:#494254}@property --workspace-accent{syntax:"<color>";inherits:true;initial-value:#aa96ff}@property --workspace-accent-strong{syntax:"<color>";inherits:true;initial-value:#c5b5ff}@property --workspace-success{syntax:"<color>";inherits:true;initial-value:#8ce0b2}@property --workspace-error{syntax:"<color>";inherits:true;initial-value:#ffb0ab}@property --workspace-warning{syntax:"<color>";inherits:true;initial-value:#f2c47d}@property --toolbar-surface{syntax:"<color>";inherits:true;initial-value:#fff}@property --toolbar-edge{syntax:"<color>";inherits:true;initial-value:#d9dae0}@property --toolbar-shadow{syntax:"<color>";inherits:true;initial-value:#15151b0f}@property --demo-color{syntax:"<color>";inherits:true;initial-value:#6847d8}:root{--workspace-bg:var(--bg);--workspace-surface:var(--surface);--workspace-surface-strong:var(--surface);--workspace-text:var(--text);--workspace-muted:var(--muted);--workspace-faint:var(--muted);--workspace-border:var(--border);--workspace-border-strong:var(--border);--workspace-accent:var(--accent);--workspace-accent-strong:var(--accent);--workspace-success:var(--success);--workspace-error:var(--error);--workspace-warning:#b37b28}html[data-theme-changing=true]{--theme-paint-duration:0s;transition-property:--bg,--surface,--text,--muted,--border,--accent,--success,--error,--section-reading,--section-listening,--section-writing,--section-speaking;transition-duration:.24s;transition-timing-function:ease}.theme-symbol{place-items:center;display:inline-grid}.theme-symbol svg{grid-area:1/1;transition:opacity .18s}.theme-sun,html[data-theme=dark] .theme-moon{opacity:0}html[data-theme=dark] .theme-sun{opacity:1}html[data-motion=reduced] *,html[data-motion=reduced] :before,html[data-motion=reduced] :after{transition:none!important}@media (prefers-reduced-motion:reduce){html[data-theme-changing=true],html[data-theme-changing=true] *{transition:none!important}}
