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small{font-family:var(--font-body);color:var(--ink-3);text-transform:uppercase;letter-spacing:.08em;margin-bottom:2px;font-size:11px;font-weight:600;display:block}.widget svg{max-width:100%;display:block}@keyframes pop{0%{opacity:0;transform:scale(.6)}60%{opacity:1;transform:scale(1.05)}to{opacity:1;transform:scale(1)}}.celebrate{animation:.55s cubic-bezier(.2,.7,.3,1.4) both pop}.row{align-items:center;gap:10px;display:flex}.spacer{flex:1}.muted{color:var(--ink-3)}.center{text-align:center}.hidden{display:none!important}@media (width<=600px){.topbar{gap:10px;padding:10px 14px}.topbar .logo{flex-shrink:0;gap:8px;font-size:16px}.topbar .logo span{display:none}.topbar .crumbs{white-space:nowrap;gap:6px;min-width:0;font-size:13px;overflow:hidden}.topbar .crumbs>:not(:last-child){display:none}.topbar .crumbs>:last-child{text-overflow:ellipsis;min-width:0;overflow:hidden}.topbar .streak{flex-shrink:0;padding:5px 10px;font-size:12px}.topbar .lang-toggle{flex-shrink:0}.dash{padding:20px 16px 60px}.mod-page{padding:24px 16px 60px}.lesson-stage{padding:16px 14px 80px}.card{padding:22px}.formula{padding:14px 18px;font-size:18px}}[dir=rtl] .callout{border-left:none;border-right:3px solid var(--accent)}[dir=rtl] .callout.gold{border-right-color:var(--gold)}[dir=rtl] .callout.warn{border-right-color:var(--red)}[dir=rtl] .mod-card .stripe{left:auto;right:0}[dir=rtl] .mod-card .num{left:14px;right:auto}[dir=rtl] .mod-page .head .prog-card{margin-left:0;margin-right:auto}[dir=rtl] .card ul.bullets li{padding:10px 36px 10px 14px}[dir=rtl] .card ul.bullets li:before{left:auto;right:14px}.numeric-input input{text-align:start;direction:ltr}.formula{direction:ltr}bdi{unicode-bidi:isolate}bdi[dir=ltr]{direction:ltr}.tbl th,.tbl td,.choice{text-align:start}.choice .letter{font-family:var(--font-body)}.lang-toggle{min-width:44px;font-weight:600}[dir=rtl] .topbar .crumbs{direction:rtl}html[dir=rtl] .card p,html[dir=rtl] .hero p.sub,html[dir=rtl] .mod-page .desc{line-height:1.65}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}