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button:hover,.anim-speed button:hover{color:var(--ink)}.anim-mode button.active,.anim-speed button.active{background:var(--accent-soft);color:var(--accent-dark)}.anim-mode button:disabled{opacity:.45;cursor:default}.anim-pill{border:1px solid var(--line);background:var(--surface);min-height:36px;color:var(--ink-soft);cursor:pointer;border-radius:8px;align-items:center;gap:6px;padding:0 12px;font-size:11.5px;font-weight:650;display:inline-flex}.anim-pill:hover{border-color:var(--line-strong);color:var(--ink)}.anim-pill.active{background:var(--accent-soft);color:var(--accent-dark);border-color:#c6dbcf}.anim-voice-note{color:var(--ink-faint);font:10px var(--mono);letter-spacing:.02em}.anim-stage{border:1px solid var(--line-strong);box-shadow:var(--shadow);cursor:pointer;touch-action:manipulation;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;background:#f7efdf;border-radius:12px;position:relative;overflow:hidden}.anim-frame{aspect-ratio:16/9;width:100%;position:relative}.anim-frame canvas{width:100%;height:100%;display:block;position:absolute;inset:0}.anim-stage-fullscreen{background:#070d18;border:0;border-radius:0;place-items:center;display:grid}.anim-stage-fullscreen .anim-frame{width:min(100vw,177.778vh)}.anim-hotspot{z-index:2;border-radius:10px;transition:background .12s,box-shadow .12s;position:absolute}.anim-hotspot:hover{background:#ffffff12;box-shadow:inset 0 0 0 2px #7fd8eeb3}.anim-hotspot:focus-visible{outline:3px solid var(--accent);outline-offset:2px}.anim-poster-play{z-index:3;background:var(--accent);width:68px;height:68px;color:var(--accent-ink);cursor:pointer;border:0;border-radius:50%;place-items:center;padding-left:4px;transition:transform .14s,background .14s;display:grid;position:absolute;top:59%;left:50%;transform:translate(-50%,-50%);box-shadow:0 10px 30px #14201a47}.anim-poster-play:hover{background:var(--accent-dark);transform:translate(-50%,-50%)scale(1.06)}.anim-controls{border:1px solid var(--line);background:var(--surface);border-radius:10px;align-items:center;gap:10px;padding:7px 10px;display:flex}.anim-icon-button{border:1px solid var(--line);background:var(--surface);width:34px;height:34px;color:var(--ink-soft);cursor:pointer;border-radius:8px;flex:none;place-items:center;display:grid}.anim-icon-button:hover{border-color:var(--line-strong);color:var(--accent)}.anim-icon-button.active{border-color:var(--accent);background:var(--accent-soft);color:var(--accent-dark)}.anim-icon-button:disabled{opacity:.4;cursor:default}.anim-time{min-width:84px;color:var(--ink-faint);font:10.5px var(--mono);font-variant-numeric:tabular-nums;flex:none}.anim-scrubber{flex:1;min-width:80px;height:30px;position:relative}.anim-track{background:var(--line);border-radius:999px;height:8px;position:absolute;top:11px;left:0;right:0}.anim-segment{border-right:1.5px solid var(--surface);position:absolute;top:0;bottom:0}.anim-segment:first-child{border-radius:999px 0 0 999px}.anim-segment:nth-last-child(1 of .anim-segment){border-right:0;border-radius:0 999px 999px 0}.anim-segment-storybook{background:#eadcbd}.anim-segment-blueprint{background:#2c466d}.anim-progress{background:var(--accent);pointer-events:none;border-radius:999px;height:3px;position:absolute;top:12px;left:0}.anim-cue-mark{border:2px solid var(--surface);background:var(--brass);pointer-events:none;width:11px;height:11px;margin-left:-5.5px;position:absolute;top:50%;transform:translateY(-50%)rotate(45deg)}.anim-scrubber input[type=range]{appearance:none;cursor:pointer;background:0 0;width:100%;height:100%;margin:0;position:absolute;inset:0}.anim-scrubber input[type=range]::-webkit-slider-runnable-track{background:0 0;height:30px}.anim-scrubber input[type=range]::-webkit-slider-thumb{border:2px solid var(--surface);background:var(--accent);-webkit-appearance:none;border-radius:50%;width:16px;height:16px;margin-top:7px;box-shadow:0 1px 4px #14201a59}.anim-scrubber input[type=range]::-moz-range-track{background:0 0;height:30px}.anim-scrubber input[type=range]::-moz-range-thumb{border:2px solid var(--surface);background:var(--accent);border-radius:50%;width:13px;height:13px}.anim-scrubber input[type=range]:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}.anim-cuebar{border:1px solid var(--line);background:var(--ground);border-radius:10px;justify-content:space-between;align-items:center;gap:14px;min-height:58px;padding:10px 14px;display:flex}@supports (color:color-mix(in lab, red, red)){.anim-cuebar{background:color-mix(in srgb,var(--ground)60%,var(--surface))}}.anim-cuebar p{color:var(--ink-soft);margin:0;font-size:12.5px;line-height:1.5}.anim-cue-text{color:var(--ink);font-family:var(--serif);font-size:17px}.anim-cuebar strong{color:var(--accent-dark);font-family:var(--serif);font-size:19px}.anim-cue-gloss{color:var(--ink-faint);font-size:11.5px}.anim-cuebar .anim-cue-idle{color:var(--ink-faint)}.anim-cue-actions{flex:none;gap:8px;display:flex}.anim-cue-actions .button{cursor:pointer}.anim-cue-actions .button:disabled{opacity:.5;pointer-events:none}.anim-cue-actions kbd{font:9px var(--mono);opacity:.7;border:1px solid;border-radius:4px;margin-left:3px;padding:1px 5px}.anim-mark-yes{background:var(--accent-soft);color:var(--accent-dark);border-color:#c6dbcf}.anim-mark-no{background:var(--deny-soft);color:var(--deny);border-color:#e6c8bd}.anim-examples{border:1px solid var(--line-strong);background:var(--surface);box-shadow:var(--shadow);border-radius:12px;padding:16px 18px 18px}.anim-examples-head{justify-content:space-between;align-items:flex-start;gap:14px;margin-bottom:12px;display:flex}.anim-examples-head .eyebrow{margin-bottom:4px}.anim-examples-note{color:var(--ink-faint);margin:0;font-size:11px}.anim-example-groups{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 22px;display:grid}.anim-example-group h3{align-items:baseline;gap:8px;margin:0 0 6px;display:flex}.anim-example-group h3 a{color:var(--accent-dark);font-family:var(--serif);font-size:19px}.anim-example-group h3 a:hover{text-underline-offset:3px;text-decoration:underline}.anim-example-group h3 span{color:var(--ink-faint);font-size:11px;font-weight:500}.anim-example-group ul{gap:2px;margin:0;padding:0;list-style:none;display:grid}.anim-example-group li{border-top:1px solid var(--line);align-items:flex-start;gap:9px;padding:7px 0;display:flex}.anim-example-group li strong{font-family:var(--serif);font-size:16px;font-weight:600;display:block}.anim-example-group li span{color:var(--ink-soft);margin-top:2px;font-size:11.5px;display:block}.anim-say{border:1px solid var(--line);background:var(--surface);width:28px;height:28px;color:var(--accent);cursor:pointer;border-radius:50%;flex:none;place-items:center;margin-top:1px;display:grid}.anim-say:hover{border-color:var(--accent);background:var(--accent-soft)}.anim-note-card{padding-bottom:18px}.anim-note-card .section-heading h2{font-size:19px}.anim-steps{color:var(--ink-soft);gap:9px;margin:0 22px;padding-left:18px;font-size:12.5px;line-height:1.5;display:grid}.anim-steps li::marker{color:var(--brass);font:600 11px var(--mono)}@media (max-width:900px){.topbar{grid-template-columns:170px minmax(260px,1fr) auto}.source-badge{font-size:0}.source-badge svg{display:block}.main-content{padding:26px 25px 55px}.metric-grid,.concept-grid{grid-template-columns:repeat(2,1fr)}.concept-tile:nth-child(3n){border-right:1px solid var(--line)}.concept-tile:nth-child(2n){border-right:0}.flash-deck-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.anim-episode-card{grid-template-columns:1fr}}@media (max-width:700px){.app-shell{display:block}.topbar{grid-template-columns:34px auto minmax(0,1fr) auto;gap:8px;padding:0 13px;display:grid;position:sticky}.mobile-menu{place-items:center;display:grid}.source-badge{display:none}.global-search-wrap{justify-self:end;max-width:260px}.global-search kbd{display:none}.global-search input::placeholder{content:"Search";font-size:0}.search-popover{position:fixed;top:61px;left:10px;right:10px}.sidebar{z-index:50;width:226px;height:calc(100vh - 56px);transition:transform .18s;position:fixed;top:56px;left:0;transform:translate(-105%)}.sidebar.sidebar-open{transform:translate(0);box-shadow:18px 0 50px #14201a29}.sidebar-scrim{z-index:45;background:#14201a3d;border:0;display:block;position:fixed;inset:56px 0 0}.main-content{padding:23px 15px 48px}.page-stack{gap:18px}.page-header{display:block}.page-header h1{font-size:32px}.page-header-aside{margin-top:14px}.hero{min-height:0;display:block}.hero-copy{padding:32px 25px}.hero h1{font-size:39px}.hero-seal{display:none}.metric-grid{grid-template-columns:repeat(2,1fr);gap:8px}.metric-card{min-height:116px;padding:14px}.future-formula{grid-template-columns:1fr}.future-formula svg{transform:rotate(90deg)}.catalogue-row{grid-template-columns:32px minmax(0,1fr) 15px;padding:11px}.catalogue-copy>p{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.concept-grid{grid-template-columns:1fr}.concept-tile,.concept-tile:nth-child(2n),.concept-tile:nth-child(3n){border-right:0}.grammar-summary{grid-template-columns:1fr}.topic-row{grid-template-columns:30px minmax(0,1fr) 16px;padding:11px 15px}.entity-hero{min-height:145px;padding:25px}.entity-hero h1{font-size:37px}.insight-heading{grid-template-columns:34px minmax(0,1fr)}.insight-heading>.chip{display:none}.insight-examples{grid-template-columns:1fr}.search-page-row{grid-template-columns:34px minmax(0,1fr) 16px}.search-page-type{display:none}.flash-feature-grid,.flash-deck-grid{grid-template-columns:1fr}.flash-deck-card,.flash-deck-featured{min-height:195px}.flash-study-heading{align-items:flex-start}.flash-study-heading h1{font-size:31px}.study-card{min-height:370px}.flash-study-controls{grid-template-columns:repeat(2,1fr)}.flash-study-controls>span{display:none}.rules-toc{columns:1}.verb-tile-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr))}.verb-grid-legend{display:none}.anim-heading{display:block}.anim-heading .header-chip-row{margin-top:12px}.anim-heading h1{font-size:29px}.anim-controls{flex-wrap:wrap}.anim-time{min-width:0;margin-right:auto}.anim-scrubber{flex-basis:100%;order:10}.anim-cuebar{flex-direction:column;align-items:stretch}.anim-cue-actions{flex-wrap:wrap}.anim-cue-actions .button{flex:1}.anim-poster-play{width:52px;height:52px}.anim-episode-copy{padding:18px}.usage-list li{grid-template-columns:1fr;gap:3px}.anim-example-groups{grid-template-columns:1fr}.anim-toolbar{gap:8px}}@media (max-width:430px){.metric-grid{grid-template-columns:1fr}.metric-card{min-height:92px}.hero-actions{flex-direction:column}.button{width:100%}.catalogue-toolbar{flex-direction:column;align-items:stretch}.flash-study-nav{align-items:flex-start}.flash-study-nav>div{flex-direction:column}.flash-study-heading{display:block}.flash-progress-copy{text-align:left;align-items:baseline;gap:5px;margin-top:14px;display:flex}.study-card-prompt h2{font-size:34px}.anim-controls{gap:6px}.anim-time-total{display:none}.anim-speed button{padding:0 8px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}.library-deck-list{gap:4px;margin:0;padding:0;list-style:none;display:grid}.library-deck-list li{border:1px solid var(--line);background:var(--surface);border-radius:8px;grid-template-columns:minmax(0,1fr) 4ch 12ch 9ch;align-items:baseline;gap:12px;padding:7px 12px;display:grid}.library-deck-list li>span:first-child{font-family:var(--serif);font-size:16px}.library-deck-list small{color:var(--ink-faint);font-family:var(--mono);text-align:right}.library-deck-list a{color:var(--accent-dark);font-size:13px}.topbar-end{justify-self:end;align-items:center;gap:14px;display:flex}.user-menu{position:relative}.user-menu-trigger{border:1px solid var(--line-strong);background:var(--surface);cursor:pointer;border-radius:999px;place-items:center;width:32px;height:32px;padding:0;display:grid}.user-menu-trigger:hover,.user-menu-trigger[aria-expanded=true]{border-color:var(--accent);background:var(--accent-soft)}.user-menu-avatar{color:var(--accent-dark);font:650 11px var(--mono);letter-spacing:.04em}.user-menu-popover{z-index:60;border:1px solid var(--line);background:var(--surface);min-width:224px;box-shadow:var(--shadow);border-radius:10px;padding:6px;position:absolute;top:calc(100% + 8px);right:0}.user-menu-identity{border-bottom:1px solid var(--line);gap:2px;margin-bottom:4px;padding:8px 10px 10px;display:grid}.user-menu-identity strong{font-size:13px}.user-menu-identity small{color:var(--ink-soft);overflow-wrap:anywhere;font-size:12px}.user-menu-item{width:100%;color:var(--ink);text-align:left;cursor:pointer;background:0 0;border:0;border-radius:7px;align-items:center;gap:8px;padding:8px 10px;font-size:13px;display:flex}.user-menu-item:hover{background:var(--ground)}.user-menu-item:disabled{color:var(--ink-faint);cursor:default}.auth-page{place-items:center;min-height:100vh;padding:32px 16px;display:grid}.auth-card{border:1px solid var(--line-strong);background:var(--surface);width:min(100%,400px);box-shadow:var(--shadow);border-radius:14px;padding:34px 32px 28px}.auth-brand{margin:0 0 18px}.auth-card h1{font-family:var(--serif);letter-spacing:-.03em;margin:0;font-size:26px;font-weight:650}.auth-copy{color:var(--ink-soft);margin:8px 0 22px;font-size:14px;line-height:1.55}.auth-muted{color:var(--ink-faint);margin:0;font-size:13px}.auth-error{background:var(--deny-soft);color:var(--deny);border:1px solid #e6c8bd;border-radius:8px;margin:0 0 14px;padding:9px 11px;font-size:13px;line-height:1.45}.auth-google{width:100%;min-height:40px;font-size:13px}.auth-form{gap:8px;display:grid}.auth-label{color:var(--ink-soft);font:600 10px var(--mono);letter-spacing:.12em;text-transform:uppercase}.auth-input{border:1px solid var(--line);background:var(--ground);height:40px;color:var(--ink);border-radius:8px;outline:0;padding:0 12px}.auth-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #1e6b4f12}.auth-input:disabled{color:var(--ink-faint)}.auth-form .button{min-height:40px;margin-top:4px;font-size:13px}.auth-form .button:disabled,.auth-google:disabled,.account-actions .button:disabled{opacity:.55;cursor:default;transform:none}.auth-footnote{color:var(--ink-faint);margin:22px 0 0;font-size:12px;line-height:1.5}.auth-footnote a{color:var(--ink-soft);text-decoration:underline}.account-card{gap:20px;max-width:540px;padding:22px 24px;display:grid}.account-row{gap:7px;display:grid}.account-value{font-size:14px}.account-actions{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.account-status{color:var(--accent-dark);font-size:12px}.auth-check{color:var(--ink-soft);cursor:pointer;grid-template-columns:auto 1fr;align-items:start;gap:10px;margin-top:6px;font-size:13px;line-height:1.5;display:grid}.auth-check input{width:16px;height:16px;accent-color:var(--accent);margin:2px 0 0}.auth-check input:disabled{cursor:default}.auth-form .auth-footnote{margin-top:12px}@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:0}@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}