:root:has(body.paper){color-scheme:light}body.paper{color-scheme:light;--canvas: #f7f6f3;--surface-0: #fffdf9;--surface-1: #fffdf9;--surface-2: #f2f0ea;--surface-3: #eae7df;--border: #e3e0d8;--border-strong: #cfcbbf;--text-muted: #6f6b62;--text-tertiary: #6f6b62;--text-secondary: #57534a;--text-primary: #28251e;--text-heading: #1b1914;--text-on-accent: #ffffff;--accent: #2f6fed;--accent-hover: #2559c9;--accent-text: #2559c9;--accent-border: rgba(47, 111, 237, .3);--accent-soft-bg: rgba(47, 111, 237, .08);--good: #1e7d3a;--good-border: rgba(30, 125, 58, .35);--link: #2559c9;--focus-ring: rgba(47, 111, 237, .4);--shadow-color: rgba(40, 37, 30, .22);background:var(--canvas);color:var(--text-primary);font-size:15px;line-height:1.65;overflow-x:clip}body.paper h1,body.paper h2,body.paper h3{line-height:1.12}body.paper .serif{font-family:ui-serif,New York,Georgia,serif;font-weight:500;letter-spacing:-.01em}body.paper .btn{font-size:14.5px}body.paper .kicker{margin:0 0 8px;font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-text)}body.paper .fine{font-size:12.5px;color:var(--text-muted);margin-top:14px}.language-notice{max-width:44rem;margin:10px 0 0;padding-left:12px;border-left:2px solid var(--accent-border);color:var(--text-secondary);font-size:13px}body.paper .site-header{border-bottom-color:var(--border-strong)}body.paper .site-footer{margin-top:0;border-top-color:var(--border-strong)}.dc-hero{padding:74px 38px 40px;max-width:900px;margin:0 auto}.dc-hero h1{font-size:clamp(2.3rem,5.2vw,3.5rem);max-width:17ch}.dc-sub{color:var(--text-secondary);font-size:16.5px;max-width:41rem;margin:18px 0 28px}.dc-ctarow{display:flex;align-items:center;gap:18px;flex-wrap:wrap}.dc-quiet{color:var(--text-secondary);font-size:14.5px;text-decoration:none}.demo-wrap{max-width:900px;margin:0 auto;padding:8px 38px 62px}.demo{position:relative;background:#101014;border:1px solid #2a2a30;border-radius:14px;overflow:hidden;box-shadow:0 18px 40px #28251e38;height:330px}.demo-menubar{position:relative;display:flex;align-items:center;justify-content:flex-end;gap:16px;background:#1b1b20;padding:7px 16px;font-size:11.5px;color:#a8a8b2;border-bottom:1px solid #2a2a30;z-index:2}.demo-fork{position:relative;color:#e8e8ea;display:inline-flex}.demo-stream{position:absolute;left:9%;right:9%;top:44px;font:13px/1.6 -apple-system,BlinkMacSystemFont,sans-serif;color:#83838c;white-space:nowrap;overflow:hidden;width:0;max-width:82%}.demo-stream b{color:#a8a8b2;font-weight:600}.demo-win{position:absolute;left:9%;right:9%;top:82px;height:158px;background:#1a1a1f;border:1px solid #34343e;border-radius:10px;overflow:hidden}.demo-win-bar{display:flex;align-items:center;gap:6px;background:#202024;padding:7px 12px;border-bottom:1px solid #2a2a30}.demo-win-bar i{width:9px;height:9px;border-radius:50%;background:#3a3a42;font-style:normal}.demo-win-body{padding:13px 18px;font:13.5px/1.75 -apple-system,BlinkMacSystemFont,sans-serif;color:#c9c9d2}.demo-new{color:#e8e8ea;opacity:0;transform:translateY(2px);display:inline-block}.demo-caret{display:inline-block;width:2px;height:15px;background:#2f6fed;vertical-align:text-bottom;margin-left:2px}.demo-pill{position:absolute;left:50%;bottom:20px;transform:translate(-50%);display:flex;align-items:center;gap:5px;background:#0c0c0f;border:1px solid #34343e;border-radius:20px;padding:7px 13px;height:28px}.demo-lv{width:3.5px;height:6px;border-radius:2px;background:#7ec98a;opacity:0}.demo-idle-dot{width:6px;height:6px;border-radius:50%;background:#6f6f78}.demo-spin{width:12px;height:12px;border:2px solid #34343e;border-top-color:#2f6fed;border-radius:50%;opacity:0;margin-left:2px}.demo-keyrow{position:absolute;left:24px;bottom:22px;display:flex;align-items:center;gap:8px;font-size:11px;color:#6f6f78}.demo-key{font:12px ui-monospace,SF Mono,Menlo,monospace;color:#a8a8b2;border:1px solid #34343e;border-bottom-width:3px;border-radius:6px;padding:4px 10px;background:#1d1d21}.demo-cap{font-size:12.5px;color:var(--text-muted);margin:10px 4px 0;text-align:right}@media(prefers-reduced-motion:no-preference){.play .demo-key{animation:keypress 9.5s linear infinite}@keyframes keypress{0%,7%{transform:translateY(0);border-bottom-width:3px;color:#a8a8b2}8%,10%{transform:translateY(2px);border-bottom-width:1px;color:#e8e8ea}11%,55%{transform:translateY(0);border-bottom-width:3px;color:#a8a8b2}56%,58%{transform:translateY(2px);border-bottom-width:1px;color:#e8e8ea}59%,to{transform:translateY(0);border-bottom-width:3px;color:#a8a8b2}}.play .demo-idle-dot{animation:idot 9.5s linear infinite}@keyframes idot{0%,9%{opacity:1}10%,96%{opacity:0}97%,to{opacity:1}}.play .demo-lv{animation:lvw 9.5s linear infinite,lvh 1s ease-in-out infinite}.play .demo-lv:nth-child(2){animation-delay:0s,.12s}.play .demo-lv:nth-child(3){animation-delay:0s,.24s}.play .demo-lv:nth-child(4){animation-delay:0s,.36s}.play .demo-lv:nth-child(5){animation-delay:0s,.48s}.play .demo-lv:nth-child(6){animation-delay:0s,.6s}@keyframes lvw{0%,9%{opacity:0}11%,56%{opacity:1}58%,to{opacity:0}}@keyframes lvh{0%,to{height:5px}50%{height:14px}}.play .demo-spin{animation:spw 9.5s linear infinite,spr .7s linear infinite}@keyframes spw{0%,58%{opacity:0}59%,62.5%{opacity:1}64%,to{opacity:0}}@keyframes spr{to{transform:rotate(360deg)}}.play .demo-stream{animation:stream 9.5s linear infinite}@keyframes stream{0%,10%{width:0;opacity:1}52%{width:82%;opacity:1}58%{width:82%;opacity:.45}62%{width:82%;opacity:0}63%,99%{width:0;opacity:0}to{width:0;opacity:1}}.play .demo-new{animation:popin 9.5s linear infinite}@keyframes popin{0%,62.5%{opacity:0;transform:translateY(3px)}64%,97%{opacity:1;transform:translateY(0)}99%,to{opacity:0}}.play .demo-caret{animation:blink 1s step-end infinite}@keyframes blink{0%,to{opacity:1}50%{opacity:0}}.play .wc-v-row{animation:wcrow .55s ease backwards}.play .wc-v-row:nth-of-type(2){animation-delay:.15s}.play .wc-v-row:nth-of-type(3){animation-delay:.5s}.play .wc-v-row:nth-of-type(4){animation-delay:.85s}@keyframes wcrow{0%{opacity:0;transform:translateY(5px)}}}@media(prefers-reduced-motion:reduce){.demo-stream,.demo-lv,.demo-spin{display:none}.demo-new{opacity:1;transform:none}}.why{max-width:1260px;margin:0 auto;padding:0 38px 48px}.why-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:14px}.why h2{font-size:26px;margin:0}.why-navs{display:flex;gap:8px}.why-navs[hidden]{display:none}.why-btn{width:34px;height:34px;border-radius:50%;border:1px solid var(--border-strong);background:var(--surface-0);color:var(--text-secondary);font:19px/1 -apple-system,BlinkMacSystemFont,sans-serif;padding:0 0 2px;cursor:pointer}.why-btn:hover{border-color:var(--accent-border);color:var(--accent-text);background:var(--accent-soft-bg)}.why-btn:focus-visible{outline:2px solid var(--focus-ring);outline-offset:2px}.why-btn:disabled{cursor:default;opacity:.38;color:var(--text-muted);border-color:var(--border);background:transparent}.why-scroller{list-style:none;margin:0;margin-inline:-38px;padding:4px 38px 26px;display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x proximity;scroll-padding-inline:38px;scrollbar-width:none}.why-scroller::-webkit-scrollbar{display:none}.why-scroller:focus-visible{outline:2px solid var(--focus-ring);outline-offset:-2px;border-radius:14px}.wc{flex:0 0 min(304px,82vw);scroll-snap-align:start;display:flex;flex-direction:column;background:var(--surface-0);border:1px solid var(--border);border-radius:14px;overflow:hidden;box-shadow:0 10px 24px #28251e12}.wc-copy{padding:14px 18px 18px;font-size:13.5px;line-height:1.6;color:var(--text-secondary)}.wc-copy .wc-title{font-family:ui-serif,New York,Georgia,serif;font-weight:500;color:var(--text-heading);font-size:16.5px;display:block;margin:0 0 4px}.why .soon{display:inline-block;font-size:10px;font-family:-apple-system,BlinkMacSystemFont,sans-serif;letter-spacing:.07em;text-transform:uppercase;color:var(--accent-text);border:1px solid var(--accent-border);border-radius:12px;padding:1px 8px;margin-left:7px;vertical-align:2px}.wc-art{position:relative;height:172px;flex:none;background:radial-gradient(circle at 82% 10%,rgba(47,111,237,.05),transparent 55%),var(--surface-2);border-bottom:1px solid var(--border);padding:18px 16px}.wc-art-center{display:grid;place-items:center;padding:10px 16px}.wc-mock{background:var(--surface-0);border:1px solid var(--border);border-radius:9px;box-shadow:0 2px 6px #28251e0d}.wc-label{display:block;font-size:9.5px;font-weight:600;letter-spacing:.07em;text-transform:uppercase;color:var(--text-muted)}.wc-chip{position:absolute;right:14px;bottom:12px;font-size:10.5px;font-weight:600;color:var(--good);background:var(--surface-0);border:1px solid var(--good-border);border-radius:20px;padding:3px 10px}.wc-chip-quiet{color:var(--text-tertiary);border-color:var(--border-strong);font-weight:500;font-style:italic}.wc-fix{margin-top:2px;padding:11px 14px 13px}.wc-fix-bad{margin:3px 0 0;font-size:12px;line-height:1.5;color:var(--text-muted);text-decoration:line-through;text-decoration-thickness:1px}.wc-fix-label2{margin-top:10px}.wc-fix-good{margin:3px 0 0;font-size:12.5px;line-height:1.5;color:var(--text-primary)}.wc-fix-good i{font-style:normal;color:var(--good);margin-left:6px;font-size:11px}.wc-setting{display:flex;align-items:center;gap:10px;margin-top:14px;padding:14px 15px}.wc-setting-private{margin-top:38px}.wc-wifi{width:18px;height:18px;color:var(--text-muted)}.wc-set-name{flex:1;font-size:14px;color:var(--text-primary)}.wc-toggle{width:46px;height:27px;border-radius:27px;background:var(--surface-3);border:1px solid var(--border-strong);display:inline-flex;align-items:center;padding:1px}.wc-toggle i{width:23px;height:23px;border-radius:50%;background:var(--surface-0);box-shadow:0 1px 2px #28251e40}.wc-once{display:flex;flex-direction:column;align-items:center}.wc-once-price{font-family:ui-serif,New York,Georgia,serif;font-weight:500;font-size:52px;line-height:1;letter-spacing:-.02em;color:var(--text-heading)}.wc-once-word{font-family:ui-serif,New York,Georgia,serif;font-style:italic;font-size:17px;color:var(--accent-text);margin-top:3px}.wc-once-sub{font-size:10.5px;color:var(--text-muted);margin-top:12px;padding-top:9px;border-top:1px solid var(--border-strong)}.wc-vocab{margin-top:2px;padding:10px 13px 8px}.wc-vocab .wc-label{margin-bottom:5px}.wc-v-row{display:flex;justify-content:space-between;align-items:center;padding:4.5px 0;border-top:1px solid var(--surface-2);font-size:12.5px;color:var(--text-primary)}.wc-v-row i{font-style:normal;color:var(--good);font-size:11px}.cal{max-width:900px;margin:0 auto;padding:0 38px 66px}.cal h2{font-size:26px}.cal .body{color:var(--text-secondary);max-width:46rem;margin:9px 0 20px}.cal-stage{background:var(--surface-0);border:1px solid var(--border-strong);border-radius:12px;padding:22px 26px;position:relative;min-height:250px}.cal-passage{position:absolute;inset:22px 26px auto}.cal-pass-head{display:flex;justify-content:space-between;font-size:11.5px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:10px}.cal-pass-num{display:inline-grid}.cal-pass-num span{grid-area:1 / 1;opacity:0}.cal-pass-num span:first-child{opacity:1}.cal-texts{position:relative;min-height:86px}.cal-text{font-family:ui-serif,New York,Georgia,serif;font-size:15.5px;color:var(--text-primary);max-width:56ch;position:absolute;inset:0 auto auto 0;opacity:0;margin:0}.cal-text:nth-child(1){opacity:1}.cal-prog{height:5px;background:#eceae3;border-radius:3px;margin-top:14px;overflow:hidden}.cal-prog i{display:block;height:100%;width:0;background:var(--accent);border-radius:3px}.cal-score{position:absolute;right:26px;bottom:20px;font-size:13px;font-weight:600;color:#fff;background:var(--accent);border-radius:8px;padding:8px 16px;opacity:0}.cal-results{position:absolute;inset:22px 26px 20px;opacity:0}.cal-res-head{display:flex;justify-content:space-between;font-size:11.5px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:14px}.cal-row{margin:13px 0}.cal-row-top{display:flex;justify-content:space-between;font-size:13.5px;margin-bottom:5px}.cal-row-top b{color:var(--text-heading);font-weight:600}.cal-pct{font-variant-numeric:tabular-nums;color:var(--text-secondary)}.cal-bar{height:9px;background:#eceae3;border-radius:5px;overflow:hidden}.cal-fill{display:block;height:100%;width:0;background:#9aa8c4;border-radius:5px}.cal-row.win .cal-fill{background:#4a9a63}.cal-row.win .cal-pct{color:var(--good);font-weight:600}.cal-badge{font-size:10.5px;border:1px solid var(--good-border);color:var(--good);border-radius:12px;padding:1px 8px;margin-left:8px}.cal-cap{font-size:12.5px;color:var(--text-muted);margin-top:12px;max-width:64ch}@media(prefers-reduced-motion:no-preference){.play .cal-passage{animation:calp 13s linear infinite}@keyframes calp{0%,53%{opacity:1}56%,96%{opacity:0}99%,to{opacity:1}}.play .cal-pass-num span:nth-child(1){animation:pnum1 13s linear infinite}.play .cal-pass-num span:nth-child(2){animation:pnum2 13s linear infinite}.play .cal-pass-num span:nth-child(3){animation:pnum3 13s linear infinite}@keyframes pnum1{0%,17%{opacity:1}18%,to{opacity:0}}@keyframes pnum2{0%,17%{opacity:0}18%,35%{opacity:1}36%,to{opacity:0}}@keyframes pnum3{0%,35%{opacity:0}36%,to{opacity:1}}.play .cal-text:nth-child(1){animation:pt1 13s linear infinite}.play .cal-text:nth-child(2){animation:pt2 13s linear infinite}.play .cal-text:nth-child(3){animation:pt3 13s linear infinite}@keyframes pt1{0%,16%{opacity:1}18%,99%{opacity:0}to{opacity:1}}@keyframes pt2{0%,17%{opacity:0}19%,34%{opacity:1}36%,to{opacity:0}}@keyframes pt3{0%,35%{opacity:0}37%,53%{opacity:1}56%,to{opacity:0}}.play .cal-prog i{animation:prog 13s linear infinite}@keyframes prog{0%{width:0}17%{width:33%}18%{width:33%}35%{width:66%}36%{width:66%}50%{width:100%}to{width:100%}}.play .cal-score{animation:scor 13s linear infinite}@keyframes scor{0%,49%{opacity:0}51%,56%{opacity:1}57%{transform:scale(.94)}59%,to{opacity:0}}.play .cal-results{animation:calr 13s linear infinite}@keyframes calr{0%,58%{opacity:0}62%,97%{opacity:1}99%,to{opacity:0}}.play .cal-row:nth-child(2) .cal-fill{animation:f1 13s ease-out infinite}.play .cal-row:nth-child(3) .cal-fill{animation:f2 13s ease-out infinite}.play .cal-row:nth-child(4) .cal-fill{animation:f3 13s ease-out infinite}@keyframes f1{0%,60%{width:0}68%,97%{width:91%}to{width:0}}@keyframes f2{0%,61%{width:0}69%,97%{width:88%}to{width:0}}@keyframes f3{0%,62%{width:0}70%,97%{width:86%}to{width:0}}}@media(prefers-reduced-motion:reduce){.cal-passage,.cal-score{display:none}.cal-results{opacity:1;position:static}.cal-row:nth-child(2) .cal-fill{width:91%}.cal-row:nth-child(3) .cal-fill{width:88%}.cal-row:nth-child(4) .cal-fill{width:86%}.cal-stage{min-height:0}}html:not(.js) .cal-passage,html:not(.js) .cal-score{display:none}html:not(.js) .cal-results{opacity:1;position:static}html:not(.js) .cal-row:nth-child(2) .cal-fill{width:91%}html:not(.js) .cal-row:nth-child(3) .cal-fill{width:88%}html:not(.js) .cal-row:nth-child(4) .cal-fill{width:86%}html:not(.js) .cal-stage{min-height:0}.dc-health{border-top:1px solid var(--border)}.dc-health-inner{max-width:900px;margin:0 auto;padding:22px 38px;font-size:13.5px;color:var(--text-tertiary)}.dc-health-inner a{color:var(--accent-text)}@media(min-width:1280px){.why-scroller{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin-inline:0;padding:4px 0 26px;overflow:visible;scroll-snap-type:none}.wc{min-width:0}.why-navs{display:none}}@media(hover:none){.why-navs{display:none}}@media(max-width:760px){.why-navs{display:none}.wc{flex-basis:min(290px,84vw)}.demo{height:310px}.demo-win{top:76px;height:150px}.demo-keyrow{display:none}}@media(max-width:560px){.demo-wrap{padding:8px 14px 48px}.demo{height:340px}.demo-stream{font-size:11px;left:5%;right:5%}.demo-win{left:5%;right:5%;top:70px;height:185px}.demo-win-body{font:12px/1.55 -apple-system,BlinkMacSystemFont,sans-serif;padding:10px 12px}}
