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.app-bottom-nav__icon{transform:translateY(-1px)}.app-bottom-nav__item:active{transform:scale(.9)}header.sticky{will-change:transform;transition:transform .28s}header.sticky.app-header-hidden{transform:translateY(-100%)}.tool-card{transition:transform .14s cubic-bezier(.16,1,.3,1),box-shadow .14s;box-shadow:0 1px 2px #10182a0a,0 8px 22px -16px #10182a29}.tool-card:active{transform:scale(.98)}.tool-card .tool-card-arrow{opacity:1;transform:none}.tools-hero-lede{display:none}.tools-hero-lede-app{display:block}.glossary-search,.tools-search{border-radius:.9rem;height:3rem;padding-left:2.75rem;font-size:15px}.glossary-chips,.tools-chips{scroll-snap-type:x proximity;gap:.5rem;padding-bottom:.25rem}.glossary-chips>button,.tools-chips>button{scroll-snap-align:start;border-radius:999px;padding:.5rem .9rem;font-size:13px}.glossary-chips>button[aria-pressed=true],.tools-chips>button[aria-pressed=true]{box-shadow:0 2px 10px -4px #4f46e599}@supports (color:color-mix(in 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62%)}}.app-lesson-card{padding:1.5rem 1.35rem 1.55rem;box-shadow:0 1px 2px #10182a0a,0 18px 34px -24px #10182a4d}.app-lesson-card h1{margin-top:0}.app-lesson-head .lesson-byline{display:none}.app-reading .prose-lesson{font-size:1.09rem;line-height:1.82}.app-reading .prose-lesson+.prose-lesson{margin-top:.2rem}.app-reading .info-svg{min-width:0}.app-reading .info-svg-wrap{margin-left:0;margin-right:0;padding-left:0;padding-right:0;overflow-x:visible}.app-reading .dt-wrap{background:0 0;border:none;border-radius:0;overflow-x:visible;-webkit-mask-image:none;mask-image:none}.app-reading .dt-table{min-width:0;display:block}.app-reading .dt-table thead{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.app-reading .dt-table tbody{flex-direction:column;gap:.7rem;display:flex}.app-reading .dt-table tr{border:1px solid var(--color-line);border-radius:var(--radius-card);background:var(--color-surface);padding:.15rem .95rem;display:block;box-shadow:0 1px 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env(safe-area-inset-bottom));background-repeat:no-repeat}.app-hero,.app-lesson-head{background:0 0;border-bottom:none}.app-bottom-nav,.app-widget,.card,.tool-card,button,header{-webkit-user-select:none;user-select:none}img,svg{-webkit-user-drag:none}:focus:not(:focus-visible){outline:none}[data-back-to-top]{display:none!important}.card{box-shadow:var(--app-shadow)}.app-hero-card,.app-lesson-card{box-shadow:var(--app-shadow-lg)}.app-hero-card h1,.app-lesson-card h1{letter-spacing:-.028em;font-size:1.7rem;font-weight:700;line-height:1.16}.bg-brand-600.rounded-lg,.bg-brand-600.rounded-xl{border-radius:1.4rem}.app-hero-card{width:100%}.app-hero>div,.app-lesson-head>div{padding-top:.9rem;padding-bottom:.4rem}.app-track-hero h1{letter-spacing:-.028em;font-size:1.9rem;font-weight:700}.app-track-hero{border-radius:0 0 var(--radius-3xl) var(--radius-3xl);box-shadow:var(--app-shadow);border-bottom:none}header.sticky{background-color:#f7f8fbc2;border-bottom-color:#0000}@supports (color:color-mix(in lab,red,red)){header.sticky{background-color:color-mix(in srgb,var(--color-paper) 76%,transparent)}}header.sticky{-webkit-backdrop-filter:saturate(1.8)blur(16px);backdrop-filter:saturate(1.8)blur(16px)}.app-bar-row{gap:.6rem;height:3.5rem;padding-left:.85rem;padding-right:.85rem}.app-bar-up{border:1px solid var(--color-line);background:#ffffffd9;border-radius:999px;flex:none;place-items:center;width:2.5rem;height:2.5rem;display:grid}@supports (color:color-mix(in lab,red,red)){.app-bar-up{background:color-mix(in srgb,var(--color-surface) 85%,transparent)}}.app-bar-up{color:var(--color-ink);transition:transform .14s var(--app-ease)}.app-bar-up:active{transform:scale(.9)}header[data-app-up=true] .app-bar-logo{display:none}.app-bar-title{text-overflow:ellipsis;white-space:nowrap;letter-spacing:-.02em;min-width:0;color:var(--color-ink);flex:auto;font-size:17px;font-weight:700;display:block;overflow:hidden}.app-bar-menu{border:1px solid var(--color-line);background:#ffffffd9;border-radius:999px;place-items:center;width:2.5rem;height:2.5rem;padding:0;display:grid}@supports (color:color-mix(in lab,red,red)){.app-bar-menu{background:color-mix(in srgb,var(--color-surface) 85%,transparent)}}.app-bottom-nav{left:.75rem;right:.75rem;bottom:calc(.6rem + env(safe-area-inset-bottom));border:1px solid #e4e8f0d9;height:4rem;padding:0 .3rem}@supports (color:color-mix(in lab,red,red)){.app-bottom-nav{border:1px solid color-mix(in srgb,var(--color-line) 85%,transparent)}}.app-bottom-nav{border-radius:var(--radius-3xl);background:#ffffffd1}@supports (color:color-mix(in lab,red,red)){.app-bottom-nav{background:color-mix(in srgb,var(--color-surface) 82%,transparent)}}.app-bottom-nav{-webkit-backdrop-filter:saturate(1.8)blur(18px);backdrop-filter:saturate(1.8)blur(18px);box-shadow:0 2px 6px #10182a0f,0 20px 40px -18px #10182a61}.app-bottom-nav__item{gap:3px;font-size:.66rem}.app-bottom-nav__indicator{background:var(--color-brand-50);width:3.4rem;height:2.1rem;box-shadow:inset 0 0 0 1px var(--color-brand-100);opacity:0;border-radius:999px;transition:opacity .2s,transform .34s cubic-bezier(.2,.9,.3,1.3);top:.55rem;left:50%;transform:translate(-50%)scale(.55)}.app-bottom-nav__item[data-active=true] .app-bottom-nav__indicator{opacity:1;transform:translate(-50%)scale(1)}.app-bottom-nav__icon,.app-bottom-nav__label{z-index:1;position:relative}.app-bottom-nav__item[data-active=true]{color:var(--color-brand-700)}.app-bottom-nav__item[data-active=true] .app-bottom-nav__label{font-weight:700}}.tool-row-icon,.tools-popular{display:none}@media (display-mode:standalone){.app-bottom-nav{border:1px solid #f4f6f9;height:4.1rem;padding:0 .35rem}@supports (color:color-mix(in lab,red,red)){.app-bottom-nav{border:1px solid color-mix(in srgb,#fff 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.9rem;display:block}.tools-popular-head{letter-spacing:.1em;text-transform:uppercase;color:var(--color-ink-4);margin-bottom:.6rem;padding-left:.2rem;font-size:12px;font-weight:700}.tools-popular-rail{overscroll-behavior-x:contain;scroll-snap-type:x mandatory;gap:.7rem;margin-inline:-1.25rem;padding:.15rem 1.25rem .9rem;scroll-padding-inline:1.25rem;display:flex;overflow-x:auto}.tools-popular-tile{scroll-snap-align:start;border:1px solid var(--tint-fg);flex-direction:column;flex:none;gap:.55rem;width:9.4rem;min-height:8.6rem;padding:.95rem;display:flex}@supports (color:color-mix(in lab,red,red)){.tools-popular-tile{border:1px solid color-mix(in srgb,var(--tint-fg) 16%,var(--color-line))}}.tools-popular-tile{border-radius:var(--radius-2xl);background:radial-gradient(120% 90% at 100% 0,var(--tint-fg) 0,transparent 60%),linear-gradient(165deg,var(--tint-bg) 0,var(--color-surface) 85%)}@supports (color:color-mix(in lab,red,red)){.tools-popular-tile{background:radial-gradient(120% 90% at 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lab,red,red)){.tools-filter{background:color-mix(in srgb,var(--color-paper) 82%,transparent)}}.tools-filter{-webkit-backdrop-filter:saturate(1.8)blur(16px);backdrop-filter:saturate(1.8)blur(16px);transition:top .28s}body:has(header.app-header-hidden) .tools-filter{top:env(safe-area-inset-top)}.tools-count{display:none}.glossary-chips>button,.tools-chips>button{background:var(--color-surface)}.glossary-chips>button[aria-pressed=true],.tools-chips>button[aria-pressed=true]{border-color:var(--color-brand-600);background:var(--color-brand-600);color:#fff;box-shadow:0 6px 16px -8px #4f46e5bf}@supports (color:color-mix(in lab,red,red)){.glossary-chips>button[aria-pressed=true],.tools-chips>button[aria-pressed=true]{box-shadow:0 6px 16px -8px color-mix(in srgb,var(--color-brand-600) 75%,transparent)}}.glossary-chips>button[aria-pressed=true] span,.tools-chips>button[aria-pressed=true] span{color:#fff}.glossary-chips>button[aria-pressed=true] span.tnum,.tools-chips>button[aria-pressed=true] span.tnum{color:#ffffffb8}.tools-sections{flex-direction:column;gap:1.6rem;margin-top:1.1rem;display:flex}.tools-sections>*{margin:0}.tools-section-head{margin-bottom:.6rem;padding-inline:.2rem}.tools-section-head h2{font-size:16px;font-weight:700}.tools-section-sub{-webkit-line-clamp:2;-webkit-box-orient:vertical;margin-top:.2rem;font-size:12.5px;line-height:1.45;display:-webkit-box;overflow:hidden}.tool-list{border:1px solid var(--color-line);border-radius:var(--radius-card);background:var(--color-surface);box-shadow:var(--app-shadow);flex-direction:column;gap:0;display:flex;overflow:hidden}.tool-list>li{position:relative}.tool-list>li+li:before{content:"";z-index:1;background:var(--color-line);height:1px;position:absolute;top:0;left:4.35rem;right:0}.tool-card{height:auto;box-shadow:none;background:0 0;border:0;border-radius:0;grid-template-columns:2.6rem minmax(0,1fr);align-items:center;column-gap:.85rem;padding:.8rem .95rem .8rem .9rem;transition:background-color 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