:root{--paper: #f8f3e7;--paper-card: #fffdf6;--ink: #2f3a4a;--ink-soft: #5c6779;--ink-faint: #8b94a3;--sepia: #8b623a;--rule: rgba(47, 58, 74, .08);--margin-red: #c95b4a;--blue-ink: #3a5a8c;--highlight: #e8b34b;--shadow: 0 1px 2px rgba(47, 58, 74, .08), 0 8px 24px rgba(47, 58, 74, .08);--grid: 28px;--font: "Mali", "LXGW WenKai TC", Georgia, serif}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font);color:var(--ink);background-color:var(--paper);background-image:linear-gradient(var(--rule) 1px,transparent 1px),linear-gradient(90deg,var(--rule) 1px,transparent 1px),radial-gradient(ellipse 50% 35% at 10% 6%,rgba(166,124,82,.08),transparent 70%),radial-gradient(ellipse 40% 30% at 92% 14%,rgba(166,124,82,.06),transparent 70%),radial-gradient(ellipse 55% 45% at 82% 92%,rgba(166,124,82,.07),transparent 70%),radial-gradient(ellipse 45% 40% at 4% 80%,rgba(166,124,82,.06),transparent 70%),radial-gradient(140% 120% at 50% 40%,transparent 55%,rgba(150,110,70,.12) 100%);background-size:var(--grid) var(--grid),var(--grid) var(--grid),100% 100%,100% 100%,100% 100%,100% 100%,100% 100%;background-repeat:repeat,repeat,no-repeat,no-repeat,no-repeat,no-repeat,no-repeat;background-attachment:scroll,scroll,fixed,fixed,fixed,fixed,fixed;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}::selection{background:#e8b34b73}.page{position:relative;min-height:100vh;max-width:46rem;margin:0 auto;padding:0 1.5rem 2rem;font-family:var(--font)}.margin-rule{position:fixed;top:0;bottom:0;left:calc(var(--grid) * 2.5);width:2px;background:var(--margin-red);opacity:.45;pointer-events:none}@media(max-width:42rem){.margin-rule{display:none}}.doodle{position:absolute;color:var(--sepia);pointer-events:none;-webkit-user-select:none;user-select:none}.d-coffee{top:6rem;right:-10rem;width:10rem;opacity:.75}.d-coffee-img{mix-blend-mode:multiply;opacity:.55}.d-planet{top:36rem;left:-11.5rem;width:9rem;opacity:.4;transform:rotate(-6deg)}.d-spiral{top:80rem;right:-8.5rem;width:6rem;opacity:.4;transform:rotate(12deg)}.d-plane{top:108rem;right:-12rem;width:9.5rem;opacity:.4}.d-pendulum{top:122rem;left:-11rem;width:8.5rem;opacity:.45;transform:rotate(-3deg)}.d-note{font-size:1rem;opacity:.55;text-align:center}.n-formula{top:88rem;left:-12rem;width:8rem;transform:rotate(-5deg);white-space:nowrap}.note-diagram{display:block;width:100%;margin-bottom:.2rem}@media(max-width:68rem){.doodle{display:none}}.marker{color:inherit;background:linear-gradient(100deg,#e8b34b00 .8%,#e8b34b99 2.8%,#e8b34b59 8%,#e8b34b73 50%,#e8b34b8c 96%,#e8b34b00 98.5%);border-radius:.7em .35em .8em .3em;padding:.1em .35em;margin:-.1em -.35em;box-decoration-break:clone;-webkit-box-decoration-break:clone}.marker-blue{background:linear-gradient(100deg,#7aa5d600 .8%,#7aa5d680 2.8%,#7aa5d64d 8%,#7aa5d666 50%,#7aa5d680 96%,#7aa5d600 98.5%)}.reveal{opacity:0;transform:translateY(18px) rotate(-.25deg);transition:opacity .95s ease,transform .95s ease}.reveal.shown{opacity:1;transform:none}.sample-sheet .line{display:flex;gap:.75rem;align-items:baseline}.sample-sheet .speaker{flex-shrink:0;margin-right:0}.hw-body{position:relative;flex:1;min-width:0}.hw-ghost{visibility:hidden}.hw-live{position:absolute;top:0;right:0;bottom:0;left:0}.hw-word{animation:hw-fade .6s ease both}@keyframes hw-fade{0%{opacity:0}}.sample-tools:not(.shown){visibility:hidden}.sample-tools.shown>*{animation:ink-in .7s ease backwards}.sample-tools.shown>:nth-child(2){animation-delay:1.3s}.sample-tools.shown>:nth-child(3){animation-delay:2.1s}.sample-tools .choice-chip{cursor:default}.diagram-fig svg.paused path{animation-play-state:paused}.sample-note{color:var(--ink-faint);font-size:.95rem;text-align:center;margin-top:1.25rem}.squiggle-link{position:relative;text-decoration:none;font-weight:700}.squiggle-link:after{content:"";position:absolute;left:0;right:0;bottom:-.16em;height:.4em;background:var(--highlight);mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 220 12' preserveAspectRatio='none'%3E%3Cpath d='M3 8 Q 25 2, 50 7 T 100 7 T 150 6 T 217 7' fill='none' stroke='black' stroke-width='4.5' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat center / 100% 100%;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 220 12' preserveAspectRatio='none'%3E%3Cpath d='M3 8 Q 25 2, 50 7 T 100 7 T 150 6 T 217 7' fill='none' stroke='black' stroke-width='4.5' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat center / 100% 100%;opacity:.95;transition:opacity .2s ease,transform .2s ease}.squiggle-link:hover:after,.squiggle-link:focus-visible:after{opacity:1;transform:translateY(1px) scaleY(1.25)}.hero>*{animation:ink-in .85s ease backwards}.hero>:nth-child(2){animation-delay:.25s}.hero>:nth-child(3){animation-delay:.55s}.hero>:nth-child(4){animation-delay:.85s}.hero .squiggle path{stroke-dasharray:1;stroke-dashoffset:1;animation:rough-draw .9s ease-in-out 1.3s forwards}.reveal:not(.shown) .footer-rule path{stroke-dasharray:1;stroke-dashoffset:1}.reveal.shown .footer-rule path{stroke-dasharray:1;stroke-dashoffset:1;animation:rough-draw 2.4s ease-in-out .15s forwards}.doodle{animation:doodle-fade 2s ease backwards}@keyframes doodle-fade{0%{opacity:0;transform:translateY(8px)}}.d-planet,.cm-planet{animation-delay:.5s}.d-spiral,.cm-spiral{animation-delay:.9s}.d-plane,.cm-plane{animation-delay:.7s}.d-pendulum,.cm-pendulum{animation-delay:1.1s}.nav{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;flex-wrap:wrap;padding:1.75rem 0 0}.wordmark{font-size:1.6rem;font-weight:700;color:var(--ink);text-decoration:none;letter-spacing:.02em}.wordmark .tld{color:var(--margin-red);font-weight:400}.nav-right{display:flex;align-items:center;gap:1rem}.font-pick{display:flex;align-items:center;gap:.4rem;color:var(--ink-soft);font-size:.95rem}.font-select{font-family:inherit;font-size:.95rem;color:var(--ink);background:var(--paper-card);border:1.5px solid var(--ink);border-radius:125px 10px 115px/10px 115px 10px 125px;padding:.15rem .5rem;cursor:pointer}.stamp{font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.14em;color:var(--margin-red);border:2.5px solid var(--margin-red);border-radius:4px;padding:.25rem .7rem;transform:rotate(-8deg);opacity:.8;mask-image:radial-gradient(130% 130% at 30% 30%,#000 50%,#00000059);-webkit-mask-image:radial-gradient(130% 130% at 30% 30%,black 50%,rgba(0,0,0,.35))}.hero{padding:5.5rem 0 4rem}.eyebrow{color:var(--margin-red);font-size:1.05rem;letter-spacing:.04em;margin-bottom:.75rem}h1{font-size:clamp(2.4rem,6vw,3.6rem);font-weight:700;line-height:1.2;max-width:16ch}.underlined{position:relative;white-space:nowrap}.squiggle{position:absolute;left:0;right:0;bottom:-.18em;width:100%;height:.22em;color:var(--highlight)}.lede{margin-top:1.5rem;font-size:1.2rem;color:var(--ink-soft);max-width:34rem}.cta-row{margin-top:2.25rem;display:flex;align-items:center;gap:1.25rem;flex-wrap:wrap}.cta-note{color:var(--ink-faint);font-size:.95rem;margin-top:.9rem}.waitlist-form{display:flex;gap:.75rem;flex-wrap:wrap;align-items:stretch}.waitlist-form .input{width:min(20rem,100%)}.waitlist-done{font-size:1.1rem;color:var(--blue-ink);line-height:2rem}.waitlist-error{width:100%;margin:0}.closing-form{display:flex;justify-content:center}.closing-form .waitlist-form{justify-content:center}.btn{display:inline-block;font-family:inherit;font-size:1.1rem;font-weight:700;color:var(--paper-card);background:var(--blue-ink);text-decoration:none;padding:.6rem 1.6rem;border:2px solid var(--ink);border-radius:255px 15px 225px/15px 225px 15px 255px;box-shadow:3px 3px #2f3a4a40;transition:transform .12s ease,box-shadow .12s ease}.btn:hover{transform:translate(-1px,-1px) rotate(-.5deg);box-shadow:5px 5px #2f3a4a40}.btn:active{transform:translate(1px,1px);box-shadow:1px 1px #2f3a4a40}.btn:disabled{opacity:.5;cursor:default}.btn-light{background:var(--paper-card);color:var(--ink)}.btn-small{font-size:.95rem;padding:.3rem 1rem}.btn-wide{display:block;width:100%;text-align:center;border:2px solid var(--ink);cursor:pointer}.signin{color:var(--blue-ink);font-size:.95rem}.login{display:flex;justify-content:center;padding:5rem 0}.login-card{width:100%;max-width:24rem;text-align:center;animation:ink-in .45s ease backwards}.login-card h1{font-size:2rem}.login-sub{color:var(--ink-soft);margin:.25rem 0 1.5rem}.login-card form{display:grid;gap:.75rem}.login-card form .squiggle-link{justify-self:center}.input{font-family:inherit;font-size:1.05rem;color:var(--ink);background:var(--paper-card);border:1.5px solid var(--ink);border-radius:125px 10px 115px/10px 115px 10px 125px;padding:.5rem .9rem;width:100%}.divider{color:var(--ink-faint);font-size:.95rem;margin:1.25rem 0}.linkish{font-family:inherit;font-size:.9rem;color:var(--blue-ink);background:none;border:none;cursor:pointer;padding:0}.auth-error{color:var(--margin-red);margin-top:1rem}.app-home{padding:5rem 0}.subject-form{display:flex;gap:.75rem;margin:1.5rem 0 3rem;max-width:34rem}.subject-form .input{flex:1}.plan-line{color:var(--ink-faint);font-size:.95rem;margin:-1.5rem 0 2.5rem}.home-section{margin-bottom:3.5rem}.section-sub{color:var(--ink-soft);margin:-1rem 0 1.75rem}.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(17rem,1fr));gap:2rem}.home-card{display:flex;flex-direction:column;padding:1.5rem 1.75rem 1.25rem}.home-card-main{text-decoration:none;flex:1}.home-card h3{color:var(--blue-ink);font-size:1.25rem;margin-bottom:.35rem}.card-desc{color:var(--ink-soft);font-size:.95rem}.home-card-link{align-self:flex-start;margin-top:1rem;font-size:.9rem;color:var(--blue-ink)}.card-meta{color:var(--ink-faint);font-size:.85rem;margin-top:.75rem}.notebook-summary{animation:ink-in .45s ease backwards}.summary-head{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;margin-bottom:1.5rem}.summary-title{font-size:1.9rem}.overview{border-left:3px solid var(--highlight);padding-left:1.25rem;margin-bottom:3rem}.overview-empty{color:var(--ink-soft);margin-bottom:2rem}.entries-label{color:var(--ink-faint);font-size:.9rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:1.5rem}.entry{padding-bottom:2.5rem;margin-bottom:2.5rem;border-bottom:1px dashed rgba(47,58,74,.2)}.entry:last-child{border-bottom:none}.entry-date{color:var(--margin-red);font-size:.95rem;margin-bottom:.75rem}.stat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(9.5rem,1fr));gap:1.5rem}.stat-tile{display:flex;flex-direction:column;align-items:center;padding:1.25rem 1rem 1rem}.stat-tile:before{display:none}.stat-value{font-size:1.9rem;font-weight:700;color:var(--blue-ink)}.stat-label{color:var(--ink-soft);font-size:.9rem}.tool-rows{display:grid;gap:.75rem}.tool-row{display:flex;align-items:center;gap:1rem;padding:.6rem 1rem;background:var(--paper-card);border:1px solid rgba(47,58,74,.15);border-radius:4px}.tool-name{flex:1}.tool-uses{color:var(--ink-faint);font-size:.9rem}.chat-page{position:relative;height:100dvh;display:flex;flex-direction:column;background:var(--paper-card)}.page-edge{position:fixed;top:0;bottom:0;width:2px;background:#c95b4a4d;pointer-events:none;z-index:1}.page-edge.left{left:max(1rem,calc(50% - 31rem))}.page-edge.right{right:max(1rem,calc(50% - 31rem))}.chat-nav{width:100%;max-width:62rem;margin:0 auto;display:grid;grid-template-columns:1fr auto 1fr;align-items:baseline;padding:1.25rem 2.5rem 1rem}.chat-nav .back-link{justify-self:start}.chat-nav .wordmark{justify-self:end}.back-link{color:var(--blue-ink);text-decoration:none;font-size:1.05rem}.nav-left{display:flex;align-items:baseline;gap:1.25rem;justify-self:start}.end-link{font-family:inherit;font-size:.95rem;color:var(--margin-red);background:none;border:none;cursor:pointer}.end-link:disabled{opacity:.5;cursor:default}.kept-page .md h1{font-size:1.35rem;line-height:2rem;margin-bottom:2rem}.kept-date{color:var(--ink-faint);font-size:.95rem;line-height:2rem;margin-top:2rem}.page-date{color:var(--ink-faint);font-size:.9rem;margin-left:.75rem}.kept-page{animation:ink-in .45s ease backwards}.rate-row{color:var(--ink-soft);line-height:2rem;margin-bottom:2rem}.star-btn{background:none;border:none;font-size:1.25rem;color:var(--highlight);cursor:pointer;padding:0 .15rem}.star-btn:hover{transform:scale(1.15)}.fb{flex-shrink:0;display:inline-flex;gap:.25rem;opacity:0;transition:opacity .15s ease}.line:hover .fb{opacity:.9}.fb-btn{background:none;border:none;font-family:inherit;font-size:.95rem;color:var(--ink-faint);cursor:pointer;padding:0 .2rem}.fb-btn.on{color:var(--blue-ink);opacity:1}.line .fb:has(.on){opacity:1}.page-row{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;font-family:inherit;font-size:1rem;color:var(--blue-ink);background:var(--paper-card);border:1px solid rgba(47,58,74,.2);border-radius:4px;padding:.6rem 1rem;cursor:pointer;text-align:left}.page-row:hover{background:#3a5a8c0f}.page-row-title{flex:1}.dialog-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:20;background:#2f3a4a59;display:flex;align-items:center;justify-content:center;padding:2rem 1rem}.page-dialog{position:relative;width:min(44rem,100%);max-height:85vh;overflow-y:auto;background:var(--paper-card);border-radius:6px;box-shadow:0 12px 48px #2f3a4a59;padding:2.5rem 2.5rem 1.5rem}.dialog-close{position:absolute;top:.75rem;right:1rem;background:none;border:none;font-size:1.6rem;color:var(--ink-faint);cursor:pointer}.dialog-close:hover{color:var(--ink)}.chat-scroll{flex:1;min-height:0;overflow-y:auto}.chat-lines{min-height:100%;background-image:repeating-linear-gradient(transparent,transparent calc(2rem - 1px),rgba(58,90,140,.14) calc(2rem - 1px),rgba(58,90,140,.14) 2rem)}.chat-column{max-width:62rem;margin:0 auto;padding:2rem 2.5rem 4rem}.chat-column .line{display:flex;gap:.75rem;align-items:baseline;line-height:2rem;margin-bottom:2rem}.chat-column .speaker{flex-shrink:0;margin-right:0}.line .plain{white-space:pre-wrap}.md{flex:1;min-width:0}.md p,.md ul,.md ol{margin:0}.md>*+*{margin-top:2rem}.md ul,.md ol{padding-left:1.4rem}.md li{line-height:2rem}.md li::marker{color:var(--ink-soft)}.md h1,.md h2,.md h3,.md h4{font-size:1.05em;line-height:2rem;font-weight:700}.md a{color:var(--blue-ink)}.md code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.85em;background:#2f3a4a12;padding:.05em .35em;border-radius:4px}.md pre{overflow-x:auto;background:#2f3a4a0d;padding:1rem;border-radius:4px;line-height:1.5}.md pre code{background:none;padding:0}.sheet-label{width:fit-content;justify-self:center;padding:0 1.25rem;line-height:2rem;color:var(--ink-soft);background:#e8b34b40;border-radius:2px;transform:rotate(-1deg)}.cm-planet,.cm-spiral,.cm-plane,.cm-pendulum{position:fixed;display:none;color:var(--sepia);opacity:.35;z-index:1}.cm-planet{left:calc(50% - 40.5rem);top:12%;width:8rem;transform:rotate(-8deg)}.cm-spiral{left:calc(50% - 37.5rem);top:62%;width:5rem;transform:rotate(10deg)}.cm-plane{right:calc(50% - 40.5rem);top:18%;width:8.5rem}.cm-pendulum{right:calc(50% - 39.5rem);top:60%;width:7rem;transform:rotate(-3deg)}@media(min-width:86rem){.cm-planet,.cm-spiral,.cm-plane,.cm-pendulum{display:block}}@keyframes ink-in{0%{opacity:0;transform:translateY(8px) rotate(-.3deg)}}.chat-column .line.fresh{animation:ink-in .26s ease-out backwards}.figure-row{display:flex;justify-content:center;margin-bottom:2rem}.figure-row.fresh{animation:ink-in .26s ease-out backwards}.diagram-fig{width:min(34rem,100%);margin:0}.diagram-fig svg{display:block;width:100%;height:auto}.diagram-fig text{font-family:inherit;font-size:13px;paint-order:stroke;stroke:var(--paper-card);stroke-width:4px;stroke-linejoin:round}.diagram-fig figcaption{text-align:center;color:var(--ink-soft);font-size:.95rem;line-height:2rem}.rough-path{stroke-dasharray:1;stroke-dashoffset:1;animation:rough-draw .55s ease forwards}@keyframes rough-draw{to{stroke-dashoffset:0}}.tool-card{width:min(36rem,100%);background:#3a5a8c0a;border:1.5px solid rgba(47,58,74,.25);border-radius:255px 15px 225px/15px 225px 15px 255px;padding:1.5rem 1.75rem}.tool-title{font-weight:700;color:var(--blue-ink);margin-bottom:1rem}.quiz-q{margin-bottom:1.25rem}.quiz-prompt{margin-bottom:.5rem}.quiz-options{margin-bottom:0;animation:none}.choice-chip.picked{background:var(--blue-ink);color:var(--paper-card)}.choice-chip:disabled{cursor:default;opacity:.75}.we-step{display:flex;gap:.75rem;align-items:baseline;margin-top:1rem;animation:ink-in .26s ease-out backwards}.we-num{flex-shrink:0;width:1.6rem;height:1.6rem;display:flex;align-items:center;justify-content:center;font-size:.9rem;font-weight:700;color:var(--blue-ink);border:1.5px solid var(--blue-ink);border-radius:55% 45% 52% 48%/48% 52% 45% 55%}.we-more{margin-top:1.25rem;border:2px solid var(--ink);cursor:pointer}.we-done{margin-top:1rem;color:var(--ink-faint);font-size:.9rem;text-align:center}.flashcards{display:flex;flex-wrap:wrap;gap:1rem;justify-content:center;width:min(36rem,100%)}.flashcard{position:relative;width:11rem;height:8.5rem;padding:0;background:none;border:none;font-family:inherit;font-size:.98rem;color:var(--ink);cursor:pointer;perspective:700px;transform:rotate(-.8deg)}.flashcard:nth-child(2n){transform:rotate(.7deg)}.flashcard-inner{position:absolute;top:0;right:0;bottom:0;left:0;transform-style:preserve-3d;transition:transform .42s ease}.flashcard.flipped .flashcard-inner{transform:rotateY(180deg)}.flashcard-face{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:.5rem;padding:.9rem;backface-visibility:hidden;-webkit-backface-visibility:hidden;background:var(--paper-card);border:1.5px solid rgba(47,58,74,.35);border-radius:8px 5px 9px 4px;box-shadow:var(--shadow)}.flashcard-face.back{transform:rotateY(180deg);background:#fbf2dd}.flashcard-text{overflow-y:auto;max-height:5.4rem}.flashcard-hint{font-size:.72rem;color:var(--ink-faint)}@media(prefers-reduced-motion:reduce){.flashcard-inner{transition:none}}.sticky-note{position:relative;width:min(24rem,100%);background:#e8b34b4d;padding:1rem 1.25rem;border-radius:2px;box-shadow:var(--shadow);transform:rotate(-1.2deg);line-height:1.6}.sticky-pin{position:absolute;top:-.95rem;left:50%;transform:translate(-50%) rotate(12deg);color:var(--margin-red)}.sticky-pin svg{width:1.5rem}.sticky-note .md>*+*{margin-top:.5rem}.sticky-note .md li{line-height:1.6}.pins-toggle{display:inline-flex;align-items:center;gap:.3rem;font-family:inherit;font-size:.95rem;color:var(--margin-red);background:none;border:none;cursor:pointer}.pins-toggle svg{width:1.05rem}.pins-panel{position:absolute;top:4.25rem;left:50%;transform:translate(-50%);z-index:5;width:min(28rem,90%);max-height:60vh;overflow-y:auto;display:grid;gap:1.25rem;padding:1.5rem 1.25rem 1.25rem;background:var(--paper);border:1.5px solid rgba(47,58,74,.25);border-radius:6px;box-shadow:var(--shadow)}.pins-panel .sticky-note{width:100%;transform:rotate(-.6deg)}.pins-panel .sticky-note:nth-child(2n){transform:rotate(.5deg)}.equation-block{width:min(36rem,100%);margin:0;overflow-x:auto}.equation-line{text-align:center;font-size:1.1rem}.equation-line .katex-display{margin:.5rem 0}.equation-block figcaption{text-align:center;color:var(--ink-soft);font-size:.95rem;line-height:2rem}.choice-row{display:flex;flex-wrap:wrap;gap:.75rem;margin-bottom:2rem;animation:ink-in .26s ease-out backwards}.choice-chip{font-family:inherit;font-size:1rem;color:var(--blue-ink);background:var(--paper-card);border:1.5px solid var(--blue-ink);border-radius:125px 10px 115px/10px 115px 10px 125px;padding:.2rem 1.1rem;cursor:pointer;transition:transform .12s ease,background .12s ease}.choice-chip:hover{background:#3a5a8c14;transform:rotate(-1deg)}.thinking{color:var(--ink-faint);font-style:italic}.thinking-dot{animation:dot-tap 1.5s ease-in-out infinite}.thinking-dot:nth-of-type(2){animation-delay:.25s}.thinking-dot:nth-of-type(3){animation-delay:.5s}@keyframes dot-tap{0%,60%,to{opacity:.25}30%{opacity:1}}.composer-dock{width:100%;max-width:62rem;margin:0 auto;padding:.5rem 2.5rem .75rem}.composer{position:relative}.composer-input{width:100%;resize:none;line-height:1.5;padding-right:3.4rem;border-radius:20px 8px 18px/8px 18px 8px 20px}.send-fab{position:absolute;right:.65rem;bottom:.65rem;width:2.4rem;height:2.4rem;display:flex;align-items:center;justify-content:center;color:var(--paper-card);background:var(--blue-ink);border:2px solid var(--ink);border-radius:55% 45% 52% 48%/48% 52% 45% 55%;cursor:pointer;opacity:0;transform:translateY(4px) scale(.9);pointer-events:none;transition:opacity .15s ease,transform .15s ease}.send-fab.show{opacity:1;transform:none;pointer-events:auto}.send-fab:hover{transform:rotate(-6deg)}.send-fab svg{width:1.15rem}.composer-hint{min-height:1.4rem;text-align:right;font-size:.85rem;color:var(--ink-faint);margin-top:.3rem;opacity:0;transition:opacity .2s ease}.composer-hint.show{opacity:1}::view-transition-old(root),::view-transition-new(root){animation:none}@media(prefers-reduced-motion:reduce){::view-transition-old(root),::view-transition-new(root){animation:none}.reveal,.reveal.shown{opacity:1;transform:none;transition:none}.hero>*,.doodle,.login-card,.notebook-summary,.hw-word{animation:none}.hero .squiggle path,.reveal .footer-rule path{animation:none;stroke-dasharray:none;stroke-dashoffset:0}.chat-column .line.fresh,.thinking-dot{animation:none}.rough-path{animation:none;stroke-dashoffset:0}}.features{display:grid;gap:2rem;padding:2rem 0 3rem}.card{position:relative;background:var(--paper-card);border:1px solid rgba(47,58,74,.1);border-radius:4px;padding:1.75rem 2rem;box-shadow:var(--shadow)}.tilt-l{transform:rotate(-.6deg)}.tilt-r{transform:rotate(.5deg)}.features .card,.home-card{transition:transform .18s ease,box-shadow .18s ease}.features .card:hover,.home-card:hover{transform:translateY(-5px) rotate(.1deg);box-shadow:0 2px 3px #2f3a4a14,0 16px 36px #2f3a4a24}.card:before{content:"";position:absolute;top:-.7rem;left:50%;width:5.5rem;height:1.4rem;transform:translate(-50%) rotate(-2deg);background:#e8b34b66;border-left:2px dashed rgba(255,253,246,.8);border-right:2px dashed rgba(255,253,246,.8)}.card h2{font-size:1.35rem;margin-bottom:.5rem;color:var(--blue-ink)}.card p{color:var(--ink-soft)}.section-title{font-size:1.7rem;margin-bottom:1.5rem}.sample{padding:2rem 0 3rem}.notebook-sheet{background:var(--paper-card);background-image:repeating-linear-gradient(transparent,transparent calc(2rem - 1px),rgba(58,90,140,.15) calc(2rem - 1px),rgba(58,90,140,.15) 2rem);border:1px solid rgba(47,58,74,.1);border-radius:4px;box-shadow:var(--shadow);padding:2rem 2.25rem 1.5rem;transform:rotate(.4deg)}.notebook-sheet .line{line-height:2rem;margin-bottom:2rem}.notebook-sheet .line:last-child{margin-bottom:0}.speaker{font-weight:700;margin-right:.75rem}.line.you .speaker{color:var(--margin-red)}.line.enaria,.line.enaria .speaker{color:var(--blue-ink)}.name-story{padding:2rem 0 3rem}.name-story blockquote{border-left:3px solid var(--margin-red);padding-left:1.5rem;color:var(--ink-soft);font-size:1.1rem}.name-story blockquote p+p{margin-top:1rem}.name-story em{color:var(--ink);font-style:normal;font-weight:700}.signoff{color:var(--ink)}.closing{text-align:center;padding:3rem 0 4.5rem}.closing h2{font-size:1.9rem;max-width:22ch;margin:0 auto .75rem}.closing p{color:var(--ink-soft);margin-bottom:2rem}.footer{padding:1rem 0 2.25rem;color:var(--ink-faint);text-align:center}.footer-rule{display:block;width:100vw;margin-left:calc(50% - 50vw);height:.55rem;margin-bottom:1.25rem;color:#2f3a4a59}.footer-line{display:flex;justify-content:center;align-items:center;gap:.75rem;flex-wrap:wrap;font-size:.95rem}.made-with{display:inline-flex;align-items:center;gap:.35rem}.heart{width:1em;color:var(--margin-red);transform:rotate(-8deg);margin-top:.1em}.footer .dot{-webkit-user-select:none;user-select:none}.print-only{display:none}@media print{@page{size:A4;margin:0}*{-webkit-print-color-adjust:exact;print-color-adjust:exact}body{background:var(--paper-card);background-image:none}.chat-column{max-width:none;padding:14mm 18mm}.page-edge.left{left:9mm}.page-edge.right{right:9mm}.no-print,.rate-row,.doodle{display:none!important}.print-only{display:block}.chat-page{height:auto;background:var(--paper-card)}.chat-scroll{overflow:visible}.page-edge{display:block}.notebook-summary{animation:none}.entry{break-inside:avoid}.rough-path{animation:none;stroke-dashoffset:0}}@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2) format("woff2"),url(/assets/KaTeX_AMS-Regular-DMm9YOAa.woff) format("woff"),url(/assets/KaTeX_AMS-Regular-DRggAlZN.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff) format("woff"),url(/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff) format("woff"),url(/assets/KaTeX_Fraktur-Regular-CB_wures.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Main-Bold-Cx986IdX.woff2) format("woff2"),url(/assets/KaTeX_Main-Bold-Jm3AIy58.woff) format("woff"),url(/assets/KaTeX_Main-Bold-waoOVXN0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2) format("woff2"),url(/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff) format("woff"),url(/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2) format("woff2"),url(/assets/KaTeX_Main-Italic-BMLOBm91.woff) format("woff"),url(/assets/KaTeX_Main-Italic-3WenGoN9.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-B22Nviop.woff2) format("woff2"),url(/assets/KaTeX_Main-Regular-Dr94JaBh.woff) format("woff"),url(/assets/KaTeX_Main-Regular-ypZvNtVU.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2) format("woff2"),url(/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff) format("woff"),url(/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-t53AETM-.woff2) format("woff2"),url(/assets/KaTeX_Math-Italic-DA0__PXp.woff) format("woff"),url(/assets/KaTeX_Math-Italic-flOr_0UB.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff) format("woff"),url(/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff) format("woff"),url(/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff) format("woff"),url(/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-D3wIWfF6.woff2) format("woff2"),url(/assets/KaTeX_Script-Regular-D5yQViql.woff) format("woff"),url(/assets/KaTeX_Script-Regular-C5JkGWo-.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2) format("woff2"),url(/assets/KaTeX_Size1-Regular-C195tn64.woff) format("woff"),url(/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2) format("woff2"),url(/assets/KaTeX_Size2-Regular-oD1tc_U0.woff) format("woff"),url(/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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) format("woff2"),url(/assets/KaTeX_Size3-Regular-CTq5MqoE.woff) format("woff"),url(/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2) format("woff2"),url(/assets/KaTeX_Size4-Regular-BF-4gkZK.woff) format("woff"),url(/assets/KaTeX_Size4-Regular-DWFBv043.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2) format("woff2"),url(/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff) format("woff"),url(/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf) format("truetype")}.katex{font: 1.21em KaTeX_Main,Times New Roman,serif;line-height:1.2;position:relative;text-indent:0;text-rendering:auto}.katex *{-ms-high-contrast-adjust:none!important;border-color:currentColor}.katex .katex-version:after{content:"0.17.0"}.katex .katex-mathml{border:0;-webkit-clip-path:inset(50%);clip-path:inset(50%);height:1px;overflow:hidden;padding:0;position:absolute;width:1px}.katex .katex-html>.newline{display:block}.katex .base{position:relative;white-space:nowrap;width:-webkit-min-content;width:-moz-min-content;width:min-content}.katex .base,.katex .strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;display:inline-table;table-layout:fixed}.katex .vlist-r{display:table-row}.katex .vlist{display:table-cell;position:relative;vertical-align:bottom}.katex .vlist>span{display:block;height:0;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{overflow:hidden;width:0}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{display:table-cell;font-size:1px;min-width:2px;vertical-align:bottom;width:2px}.katex .vbox{align-items:baseline;display:inline-flex;flex-direction:column}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{display:inline-flex;flex-direction:row}.katex .thinbox{max-width:0;width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline,.katex .hline,.katex .mfrac .frac-line,.katex .overline .overline-line,.katex .rule,.katex .underline .underline-line{min-height:1px}.katex .mspace{display:inline-block}.katex .smash{display:inline;line-height:0}.katex .clap,.katex .llap,.katex .rlap{position:relative;width:0}.katex .clap>.inner,.katex .llap>.inner,.katex .rlap>.inner{position:absolute}.katex .clap>.fix,.katex .llap>.fix,.katex .rlap>.fix{display:inline-block}.katex .llap>.inner{right:0}.katex .clap>.inner,.katex .rlap>.inner{left:0}.katex .clap>.inner>span{margin-left:-50%;margin-right:50%}.katex .rule{border:0 solid;display:inline-block;position:relative}.katex .hline,.katex .overline .overline-line,.katex .underline .underline-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline{border-bottom-style:dashed;display:inline-block;width:100%}.katex .sqrt>.root{margin-left:.2777777778em;margin-right:-.5555555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .sizing.reset-size2.size1{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .sizing.reset-size2.size3{font-size:1.1666666667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .sizing.reset-size2.size6{font-size:1.6666666667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .sizing.reset-size2.size10{font-size:3.4566666667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.1466666667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.7142857143em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.8571428571em}.katex .fontsize-ensurer.reset-size3.size3,.katex .sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .sizing.reset-size3.size4{font-size:1.1428571429em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.2857142857em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.4285714286em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.7142857143em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.0571428571em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.4685714286em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.9628571429em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.5542857143em}.katex .fontsize-ensurer.reset-size4.size1,.katex .sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .sizing.reset-size5.size1{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.7777777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.8888888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .sizing.reset-size5.size6{font-size:1.1111111111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .sizing.reset-size5.size10{font-size:2.3044444444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.7644444444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .sizing.reset-size7.size1{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .sizing.reset-size7.size3{font-size:.5833333333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .sizing.reset-size7.size6{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .sizing.reset-size7.size10{font-size:1.7283333333em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.0733333333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.4861111111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .sizing.reset-size8.size6{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .sizing.reset-size8.size10{font-size:1.4402777778em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.7277777778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.2893518519em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.4050925926em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462962963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.5208333333em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.5787037037em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .sizing.reset-size9.size10{font-size:1.2002314815em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.4398148148em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.2410800386em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.2892960463em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512054em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.3857280617em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.4339440694em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.4821600771em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.5785920926em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.6943105111em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.8331726133em}.katex .fontsize-ensurer.reset-size10.size10,.katex .sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .sizing.reset-size10.size11{font-size:1.1996142719em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.2009646302em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.2411575563em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.2813504823em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.3215434084em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.3617363344em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.4019292605em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.4823151125em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778135em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.6945337621em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.8336012862em}.katex .fontsize-ensurer.reset-size11.size11,.katex .sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{display:inline-block;width:.12em}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .accent .accent-body{position:relative}.katex .accent .accent-body:not(.accent-full){width:0}.katex .overlay{display:block}.katex .mtable .vertical-separator{display:inline-block;min-width:1px}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;display:block;height:inherit;position:absolute;width:100%}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;max-height:none;max-width:none;min-height:0;min-width:0}.katex .stretchy{display:block;overflow:hidden;position:relative;width:100%}.katex .stretchy:after,.katex .stretchy:before{content:""}.katex .hide-tail{overflow:hidden;position:relative;width:100%}.katex .halfarrow-left{left:0;overflow:hidden;position:absolute;width:50.2%}.katex .halfarrow-right{overflow:hidden;position:absolute;right:0;width:50.2%}.katex .brace-left{left:0;overflow:hidden;position:absolute;width:25.1%}.katex .brace-center{left:25%;overflow:hidden;position:absolute;width:50%}.katex .brace-right{overflow:hidden;position:absolute;right:0;width:25.1%}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{border:.04em solid;box-sizing:border-box}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{border-right:.049em solid;border-top:.049em solid;box-sizing:border-box;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{display:inline-block;position:absolute;right:calc(50% + .3em);text-align:left}.katex .cd-label-right{display:inline-block;left:calc(50% + .3em);position:absolute;text-align:right}.katex-display{display:block;margin:1em 0;text-align:center}.katex-display>.katex{display:block;text-align:center;white-space:nowrap}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{padding-left:2em;text-align:left}body{counter-reset:katexEqnNo mmlEqnNo}
