/* The self-playing sample app on the home page. Uses the variables from product.css. */
.demo{margin-top:36px}
.demo-fit{position:relative;overflow:hidden}
.win{position:relative;width:1120px;height:620px;transform-origin:0 0;background-color:var(--page);background-image:radial-gradient(var(--dot) 1px,transparent 1.2px);background-size:16px 16px;border:1px solid var(--line);border-radius:10px;overflow:hidden;box-shadow:0 30px 80px var(--shadow);color:var(--ink);font:400 14px/1.45 var(--body)}
.win-bar{display:flex;align-items:center;gap:8px;height:34px;padding:0 14px;background:var(--bg);border-bottom:1px solid var(--line)}
.win-bar i{width:11px;height:11px;border-radius:50%;background:var(--line)}
.win-bar span{margin:0 auto;padding-right:57px;font:400 12px var(--mono);color:var(--ink2)}
.m-top{display:flex;align-items:center;justify-content:space-between;height:60px;padding:0 24px;background:var(--bg);border-bottom:1px solid var(--line)}
.m-me{display:flex;align-items:center;gap:10px;width:259px;height:52px;padding:0 12px 0 8px;background:var(--page);border:1px solid var(--line)}
.m-avatar{position:relative;display:grid;flex:none;place-items:center;width:36px;height:36px;background:conic-gradient(var(--due) 42%,var(--ok-bg) 0);border:1px solid var(--line)}
.m-avatar:before{content:'';position:absolute;inset:3px;background:var(--bg)}
.m-art{position:relative;width:26px;height:26px;overflow:hidden}
.m-art img{width:26px;height:26px;object-fit:cover;transform:scale(1.4)}
.m-lvl{position:absolute;right:-4px;bottom:-3px;min-width:16px;padding:1px 3px;border:1px solid var(--bg);background:var(--ink);color:var(--bg);font:700 10px/1.2 var(--body);text-align:center}
.m-me-text{display:flex;flex:1;flex-direction:column;gap:4px;min-width:0}
.m-me-top{display:flex;align-items:baseline;justify-content:space-between;font-size:11px;color:var(--ink2)}
.m-me-top>b{font:600 14px/1.2 var(--mono);color:var(--ink)}
.m-me-top span b{color:var(--ink)}
.m-meter{position:relative;display:block;height:5px;background:var(--page);border:1px solid var(--line)}
.m-meter i{position:absolute;inset:0 auto 0 0;width:12%;background:var(--ink);transition:width .6s var(--ease)}
.m-meter s{position:absolute;top:0;width:1px;height:100%;background:var(--line)}
.m-meter s:nth-of-type(1){left:25%}.m-meter s:nth-of-type(2){left:50%}.m-meter s:nth-of-type(3){left:75%}
.m-chev{width:12px;height:12px;fill:none;stroke:var(--ink);stroke-width:2}
.m-tabs{display:flex;border:1px solid var(--line)}
.m-tabs span{padding:8px 16px;border-right:1px solid var(--line);font:400 13px var(--mono);color:var(--ink2);transition:background .3s,color .3s,box-shadow .3s}
.m-tabs span:last-child{border-right:0}
.m-tabs .on{background:var(--page);color:var(--ink);font-weight:600;box-shadow:inset 0 -2px 0 var(--ink)}
.m-acts{display:flex;gap:8px}
.m-acts span{padding:9px 14px;border:1px solid var(--line);font:600 13px var(--body)}
.m-acts .m-solid{background:var(--solid);color:var(--solid-ink);border-color:var(--solid)}
.m-body{position:relative;height:524px}
.scene{position:absolute;inset:0;padding:22px 0;opacity:0;visibility:hidden;transform:translateY(14px);transition:opacity .5s var(--ease),transform .7s var(--ease),visibility 0s .5s}
.scene.on{opacity:1;visibility:visible;transform:none;transition:opacity .5s var(--ease),transform .7s var(--ease)}
.m-col{width:732px;margin:0 auto}
.m-h{margin:20px 0 10px;font:600 14px var(--mono);letter-spacing:.04em}
.m-rule{padding-bottom:10px;border-bottom:1px solid var(--line)}
.m-cta{display:flex;align-items:center;justify-content:center;width:360px;height:44px;margin:0 auto;background:var(--solid);color:var(--solid-ink);font:600 13px var(--body);letter-spacing:.04em;transition:transform .15s var(--ease),opacity .3s}
.press{transform:scale(.96)!important}
.m-progress{position:relative;height:2px;background:var(--line)}
.m-progress i{position:absolute;inset:0 auto 0 0;width:6%;background:var(--ink);transition:width .7s var(--ease)}
.m-progress .half{width:94%}
.m-left{margin:10px 0 14px;text-align:center;font:400 12px var(--mono);color:var(--ink2)}
.m-cardwrap{position:relative;height:330px;overflow:hidden}
.m-card{position:absolute;inset:0;display:flex;flex-direction:column;padding:12px 18px 14px;background:var(--bg);border:1px solid var(--line);opacity:0;visibility:hidden;transition:transform .6s var(--ease),opacity .45s var(--ease)}
.m-card.cur{opacity:1;visibility:visible}
.m-card.out{transform:translateX(-70px);opacity:0}
.m-card.enter{transform:translateX(70px);opacity:0;transition:none}
.m-path{margin-bottom:10px;font:400 11px var(--mono);color:var(--ink2)}
.m-path i{font-style:normal;padding:0 2px}
.m-tags{display:flex;gap:6px;margin-top:auto}
.m-tags span{padding:2px 7px;border:1px solid var(--line);font:400 11px var(--mono);color:var(--ink2)}
.m-eq{margin-top:8px;font:400 22px var(--mono)}
.m-eq i{font-family:Georgia,serif;font-style:italic}
.m-vars{display:grid;grid-template-columns:repeat(4,auto);justify-content:start;gap:4px 18px;margin:10px 0 0;font-size:13px}
.m-vars div{display:flex;gap:6px}
.m-vars dt{font:italic 14px Georgia,serif}
.m-vars dd{margin:0;color:var(--ink2)}
.m-extra{margin-top:10px;font-size:13px;color:var(--ink2)}
.m-extra-row{display:flex;align-items:center;gap:18px;margin-top:6px}
.m-chart{flex:none;width:170px;height:92px}
.m-chart path{fill:none;stroke-width:2}
.c-axis{stroke:var(--ink2);stroke-width:1!important}.c-mb{stroke:var(--ink2);stroke-dasharray:4 3}.c-hb{stroke:var(--learn)}
.m-chart text,.m-neuron text{fill:var(--ink);font:400 11px var(--mono)}
.m-gap{display:inline-block;padding:0 6px;background:var(--today);border-bottom:2px solid var(--new);color:var(--new);font-weight:600}
.m-fill,.open .m-blank{display:none}
.open .m-fill{display:inline}
.m-neuron{width:100%;height:150px;margin-top:2px}
.n-line,.n-lead{fill:none;stroke:var(--ink);stroke-width:2;stroke-linecap:round}
.n-lead{stroke:var(--ink2);stroke-width:1}
.n-body{fill:#d9c8e6;stroke:var(--ink);stroke-width:1.5}
.n-nuc{fill:#8f7aa8}
.n-myelin{fill:#ead9a4;stroke:var(--ink);stroke-width:1.2}
.m-mask rect{fill:#e8902f;stroke:#9c521f}
.m-mask text{fill:#2a120a!important;font-weight:700!important;text-anchor:middle}
.m-mask,.m-hidden{transition:opacity .4s var(--ease)}
.m-hidden{opacity:0;font-weight:700!important;fill:var(--due)!important}
.open .m-mask{opacity:0}.open .m-hidden{opacity:1}
.m-label{font:400 11px var(--mono);letter-spacing:.06em;color:var(--ink2)}
.m-q{margin-top:6px;font-size:18px;line-height:1.4}
.m-q b{font-weight:600}
.m-ans{margin-top:14px;padding-top:12px;border-top:1px solid var(--line);opacity:0;transform:translateY(8px);transition:opacity .5s var(--ease),transform .6s var(--ease)}
.open .m-ans,.m-rate.on,.m-ref.on{opacity:1;transform:none}
.m-a{margin-top:8px;font-size:18px}
.m-foot{position:relative;height:62px;margin-top:14px}
.m-show{position:absolute;top:0;left:50%;width:472px;height:48px;margin:0 0 0 -236px}
.m-show.gone{opacity:0}
.m-rate{position:absolute;inset:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;opacity:0;transform:translateY(10px);transition:opacity .5s var(--ease),transform .6s var(--ease)}
.m-rate span{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;height:60px;background:var(--bg);border:1px solid var(--line);border-radius:4px;transition:transform .15s var(--ease),border-color .2s}
.m-rate .press{border-color:var(--ink)}
.m-rate svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.m-rate b{font:600 12px var(--mono);color:var(--ink)}
.r-again{color:var(--learn)}.r-hard{color:var(--hard)}.r-good{color:var(--due)}.r-easy{color:var(--new)}
.m-type{position:relative;min-height:116px;margin-top:14px;padding:14px 16px 28px;background:var(--bg);border:1px solid var(--line);font-size:16px}
.caret{display:inline-block;width:2px;height:18px;margin-left:1px;background:var(--ink);vertical-align:-3px}
.m-timer{position:absolute;right:12px;bottom:8px;font:400 12px var(--mono);color:var(--ink2)}
.m-sub{margin-top:14px;font:400 14px var(--mono)}
.m-plan-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:22px}
.m-exam-title{display:flex;justify-content:space-between;align-items:center;font:600 20px var(--mono)}
.m-badge{padding:4px 8px;background:var(--ok-bg);border:1px solid var(--due);color:var(--due);font:600 11px var(--body);letter-spacing:.04em}
.m-small{margin-top:4px;font-size:13px;color:var(--ink2)}
.m-ring-row{position:relative;display:flex;align-items:center;gap:22px;margin:18px 0}
.m-ring{flex:none;width:110px;height:110px;transform:rotate(-90deg)}
.m-ring circle{fill:none;stroke-width:9}
.ring-bg{stroke:var(--line)}
.ring-fg{stroke:#6f8f45;stroke-dasharray:264;stroke-dashoffset:13;transition:stroke-dashoffset 1.5s var(--ease)}
.m-ring-label{position:absolute;left:0;width:110px;text-align:center}
.m-ring-label small{display:block;font:400 10px var(--mono);color:var(--ink2)}
.m-ring-label b{font:600 24px var(--mono)}
.m-legend{display:flex;flex:1;flex-direction:column;gap:10px;font-size:13px}
.m-legend span{display:flex;align-items:center;gap:8px}
.m-legend b{margin-left:auto}
.m-legend i{width:12px;height:4px}
.lg-plan{background:#6f8f45}.lg-stop{background:#9a9a2e}.lg-goal{background:var(--ink)}
.m-chip{display:inline-block;padding:5px 9px;border:1px solid var(--line);font-size:12px}
.m-today{align-self:start;display:flex;flex-direction:column;gap:6px;padding:20px;background:#111110;color:#f2efe9}
.m-today p{font-size:13px;color:#cfc9bc}
.m-today .m-today-h{font:400 22px var(--mono);color:#f2efe9}
.m-bar{height:5px;margin-top:10px;background:#3a3a34}
.m-bar i{display:block;width:0;height:100%;background:#f2efe9;transition:width .9s var(--ease)}
.m-today .m-of{text-align:right;font-size:11px}
.m-start{display:flex;align-items:center;justify-content:center;gap:10px;height:44px;margin-top:8px;background:#faf8f5;color:#111110;font:600 13px var(--body);letter-spacing:.04em;transition:transform .15s var(--ease)}
.m-start small{padding:2px 5px;border:1px solid #bdb8ad;font:400 10px var(--mono)}
.m-line{position:relative;display:grid;grid-template-columns:1fr 1fr 1fr;padding:36px 20px 18px;background:var(--bg);border:1px solid var(--line)}
.m-line:before{content:'';position:absolute;left:20px;right:20px;top:20px;height:1px;background:var(--ink2)}
.m-line span{position:relative;display:flex;flex-direction:column;gap:2px;font-size:13px}
.m-line span:before{content:'';position:absolute;left:0;top:-20px;width:7px;height:7px;border-radius:50%;background:var(--ink)}
.m-line .m-end{text-align:right;align-items:flex-end}
.m-line .m-end:before{left:auto;right:0;background:var(--learn)}
.m-line small{font-size:11px;color:var(--ink2)}
.cursor{position:absolute;left:0;top:0;z-index:5;width:22px;height:22px;opacity:0;filter:drop-shadow(0 2px 3px rgba(0,0,0,.3));transition:transform .9s var(--ease),opacity .4s}
.cursor.on{opacity:1}
.cursor path{fill:#111110;stroke:#fff;stroke-width:1.4;stroke-linejoin:round;transform-origin:5px 3px;transition:transform .12s}
.cursor.click path{transform:scale(.8)}
.demo-steps{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-bottom:20px}
.demo-steps button{position:relative;min-height:44px;padding:0 16px;overflow:hidden;border:1px solid var(--line);border-radius:2px;background:var(--bg);color:var(--ink2);font:400 12px var(--mono);letter-spacing:.06em;text-transform:uppercase;cursor:pointer}
.demo-steps button[aria-pressed=true]{border-color:var(--ink);color:var(--ink)}
.demo-steps i{position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--ink)}
.win.compact{width:600px}
.compact .m-col{width:552px}
.compact .m-me,.compact .m-acts,.compact .m-line,.compact .m-plan .m-h{display:none}
.compact .m-top{justify-content:center}
.compact .m-cta{width:300px}
.compact .m-show{width:360px;margin-left:-180px}
.compact .m-plan-grid{grid-template-columns:1fr;gap:16px;margin-top:0}
.compact .m-ring-row{margin:10px 0}
@media(prefers-reduced-motion:no-preference){.caret{animation:blink 1s steps(2) infinite}}
@keyframes blink{50%{opacity:0}}
.demo{margin:40px -6px 0}

.m-wide{width:100%;gap:10px}
.m-wide .ico,.m-cap .ico,.m-done .ico,.m-points .ico{width:16px;height:16px}
.m-crumb{margin-bottom:14px;font:400 13px var(--mono);color:var(--ink2)}
.m-crumb b{margin-left:200px;color:var(--ink)}
.m-drop,.m-preview{padding:24px 28px;background:var(--bg);border:1px dashed var(--line);text-align:center;transition:opacity .4s var(--ease),transform .5s var(--ease)}
.m-drop{padding:56px 28px 48px}
.m-drop img{width:56px;height:54px;margin:0 auto 10px;image-rendering:pixelated}
.m-big{font:600 22px var(--mono)}
.m-types{display:flex;justify-content:center;gap:8px;margin:12px 0 16px;font-size:12px;color:var(--ink2)}
.m-types span{padding:3px 8px;background:var(--page);border:1px solid var(--line)}
.m-types b{color:var(--ink)}
.m-preview{display:none;text-align:left;border-style:solid}
.m-file{font-size:13px;color:var(--ink2)}
.m-file b{font-family:var(--mono);color:var(--ink)}
.m-deckname{margin:8px 0 12px;font:600 24px var(--mono)}
.m-statrow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin-bottom:10px;border:1px solid var(--line)}
.m-statrow span{padding:8px 12px;border-right:1px solid var(--line)}
.m-statrow span:last-child{border:0}
.m-statrow b{display:block;font:400 20px var(--mono)}
.m-statrow small{font:400 10px var(--mono);letter-spacing:.05em;color:var(--ink2)}
.m-preview .m-cta{margin-top:14px}
.m-load{display:none;height:6px;margin-top:14px;background:var(--page);border:1px solid var(--line)}
.m-load i{display:block;width:0;height:100%;background:var(--ink);transition:width 1.2s var(--ease)}
.m-done{display:none;align-items:center;gap:8px;margin-top:14px;font:600 14px var(--mono);color:var(--due)}
[data-state=preview] .m-drop,[data-state=running] .m-drop,[data-state=done] .m-drop{display:none}
[data-state=preview] .m-preview,[data-state=running] .m-preview,[data-state=done] .m-preview{display:block;animation:rise .5s var(--ease)}
[data-state=running] .m-preview .m-cta,[data-state=done] .m-preview .m-cta{display:none}
[data-state=running] .m-load,[data-state=done] .m-load{display:block}
[data-state=running] .m-load i,[data-state=done] .m-load i{width:100%}
[data-state=done] .m-done{display:flex}
@keyframes rise{from{opacity:0;transform:translateY(10px)}}
.m-browse{display:flex;justify-content:space-between;align-items:center;padding-bottom:8px;border-bottom:1px solid var(--line)}
.m-browse .m-h{margin:0}
.m-seg{display:flex;border:1px solid var(--line);font:400 12px var(--mono)}
.m-seg span{padding:6px 10px;color:var(--ink2)}
.m-seg .on{background:var(--bg);color:var(--ink);font-weight:600}
.m-display{margin-top:10px;font:600 26px var(--mono);letter-spacing:-.02em}
.m-commons>.m-small{margin-top:4px}
.m-search{display:flex;margin-top:10px;border:1px solid var(--ink)}
.m-search span{flex:1;padding:8px 12px;background:var(--bg);font:400 13px var(--mono);color:var(--ink2)}
.m-search b{padding:8px 14px;background:var(--solid);color:var(--solid-ink);font:600 11px var(--body);letter-spacing:.05em}
.m-commons .m-h{margin:10px 0 6px}
.m-cats{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:6px}
.m-cats span{padding:6px 8px;background:var(--bg);border:1px solid var(--line);border-top:2px solid var(--ink2);transition:background .3s,color .3s}
.m-cats b{display:block;font:400 12px var(--mono)}
.m-cats small{font-size:10px;color:var(--ink2)}
.cat-lang{border-top-color:var(--new)!important}.cat-med{border-top-color:var(--learn)!important}.cat-sci{border-top-color:var(--hard)!important}.cat-exam{border-top-color:#8a6d1f!important}.cat-comp{border-top-color:var(--ink)!important}
.m-cats .on{background:var(--solid);border-color:var(--solid);color:var(--solid-ink)}
.m-cats .on small{color:var(--solid-ink)}
.m-feature{display:grid;grid-template-columns:1fr 1fr;margin-top:10px;background:var(--bg);border:1px solid var(--line);border-top:2px solid var(--new);transition:opacity .22s}
.m-feature.fade{opacity:0}
.m-fl{padding:14px 16px;border-right:1px solid var(--line)}
.m-kick{font:400 10px var(--mono);letter-spacing:.06em;color:var(--ink2)}
.m-ftitle{margin:4px 0;font:500 18px/1.2 var(--mono)}
.m-by{font-size:12px;color:var(--ink2)}
.m-by b{font-family:var(--mono);color:var(--ink)}
.m-tick{display:inline-grid;place-items:center;width:13px;height:13px;background:var(--new);color:var(--bg);font:normal 9px var(--body)}
.m-fl .m-small{margin:6px 0 10px}
.m-fstats{display:flex;gap:18px;margin-bottom:10px}
.m-fstats small{display:block;font:400 9px var(--mono);color:var(--ink2)}
.m-fstats b{font:600 14px var(--mono)}
.m-follow{display:inline-flex;align-items:center;height:32px;padding:0 14px;background:var(--solid);color:var(--solid-ink);font:600 12px var(--body);transition:transform .15s var(--ease)}
.m-follow.done{background:var(--ok-bg);color:var(--due)}
.m-fr{display:grid;place-items:center;padding:14px;background:var(--page)}
.m-sample{width:100%;padding:10px 14px;background:var(--bg);border:1px solid var(--ink2);text-align:center}
.m-sample-top{display:flex;justify-content:space-between;font:400 10px var(--mono);color:var(--ink2)}
.m-sample-top u{color:var(--ink)}
.m-sfront{margin:14px 0 8px;font-size:18px}
.m-sback{padding-top:8px;border-top:1px dashed var(--line);font-size:12px;color:var(--ink2)}
.m-input,.m-grading,.m-result{display:none}
[data-state=input] .m-input{display:block}
[data-state=grading] .m-grading{display:flex}
[data-state=result] .m-result{display:block;animation:rise .5s var(--ease)}
.m-dq{display:flex;gap:16px;align-items:flex-start}
.m-clock{flex:none;width:64px;height:64px}
.m-clock circle{fill:none;stroke:var(--line);stroke-width:3}
.m-clock .m-clock-fg{stroke:var(--ink);stroke-dasharray:163.4;stroke-linecap:round;transform:rotate(-90deg);transform-origin:32px 32px;transition:stroke-dashoffset 1s linear}
.m-clock text{fill:var(--ink);font:400 15px var(--mono);text-anchor:middle}
.m-pair{display:flex;justify-content:flex-end;gap:10px;height:auto;margin-top:16px}
.m-pair .m-cta{width:auto;margin:0;padding:0 22px}
.m-ghost-btn{display:inline-flex;align-items:center;height:44px;padding:0 18px;background:var(--bg);border:1px solid var(--line);font:600 13px var(--body)}
.m-grading{flex-direction:column;gap:14px;align-items:center;justify-content:center;height:380px}
.m-cap{display:flex;align-items:center;gap:6px;font:400 12px var(--mono);letter-spacing:.04em;color:var(--ai)}
.m-shimmer{width:300px;height:4px;overflow:hidden;background:var(--line)}
.m-shimmer i{display:block;width:40%;height:100%;background:var(--ai);animation:slide 1.1s var(--ease) infinite}
@keyframes slide{from{transform:translateX(-100%)}to{transform:translateX(260%)}}
.m-score-row{display:flex;gap:24px;align-items:center;margin:12px 0 14px;padding:14px 18px;background:var(--bg);border:1px solid var(--line)}
.m-score b{display:block;font:600 40px/1 var(--mono);color:var(--due)}
.m-score{flex:none}
.m-score small{font:400 11px var(--mono);color:var(--ink2);white-space:nowrap}
.m-feedback{font-size:14px;line-height:1.5}
.m-points{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:10px}
.m-points .m-sub{margin:0 0 6px}
.m-points ul{margin:0;padding:0;list-style:none}
.m-points li{display:flex;gap:8px;align-items:flex-start;padding:4px 0;font-size:13px}
.ok .ico{color:var(--due)}.miss .ico{color:var(--hard)}
.m-good{color:var(--due)}
.demo-steps .ai-tag{margin-left:6px;padding:1px 5px}
@media(prefers-reduced-motion:reduce){.m-shimmer i{animation:none}[data-state] *{animation:none!important}}