:root{
  --bg:#f4f3ef;--surface:#eae8e2;--card:#fbfaf7;--ink:#121211;--ink-2:#55534d;--ink-3:#8a877f;
  --line:#dcd9d1;--accent:#ff5a1f;--accent-ink:#c2410c;--chk-a:#e7e5df;--chk-b:#f7f6f2;
  --sans:'Geist',ui-sans-serif,system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:'Geist Mono',ui-monospace,'SF Mono',Menlo,Consolas,monospace;
  --pad:16px;--max:1240px;--r:14px;--ease:cubic-bezier(.2,.7,.1,1);
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0d0d0c;--surface:#171715;--card:#121211;--ink:#ecebe6;--ink-2:#a3a199;--ink-3:#6f6d67;
  --line:#262623;--accent:#ff6a33;--accent-ink:#ff8a5c;--chk-a:#1d1d1b;--chk-b:#262624;color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0d0d0c;--surface:#171715;--card:#121211;--ink:#ecebe6;--ink-2:#a3a199;--ink-3:#6f6d67;
  --line:#262623;--accent:#ff6a33;--accent-ink:#ff8a5c;--chk-a:#1d1d1b;--chk-b:#262624;color-scheme:dark}
@media (min-width:720px){:root{--pad:32px}}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.55 var(--sans);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,canvas{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
::selection{background:var(--accent);color:#fff}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--pad)}
.mono{font-family:var(--mono);font-size:12px;letter-spacing:.01em;text-transform:lowercase}
.muted{color:var(--ink-3)}
[hidden]{display:none!important}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* nav */
.nav{position:sticky;top:0;z-index:20;background:var(--bg);border-bottom:1px solid transparent}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:56px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;font-weight:600;letter-spacing:-.01em}
.logo i{width:9px;height:9px;background:var(--accent);display:block}
.nav ul{display:flex;align-items:center;gap:22px;list-style:none;margin:0;padding:0}
.nav li a{color:var(--ink-2);font-size:14px;transition:color .2s}
.nav li a:hover{color:var(--ink)}
.theme{width:28px;height:28px;display:grid;place-items:center;border-radius:50%;color:var(--ink-2)}
.theme:hover{color:var(--ink)}
.theme svg{width:16px;height:16px}
@media (max-width:519px){.nav ul{gap:16px}.nav .hide-sm{display:none}}

/* hero */
.hero{padding-top:64px;padding-bottom:36px}
.kicker{color:var(--ink-3);display:flex;gap:8px 18px;flex-wrap:wrap}
.kicker b{font-weight:400;color:var(--accent)}
h1{font-weight:500;font-size:clamp(36px,6.2vw,80px);line-height:1.02;letter-spacing:-.045em;margin:20px 0 0;max-width:14em;text-wrap:balance}
h1 em{font-style:normal;color:var(--ink-3)}
.sub{max-width:38em;margin:24px 0 0;color:var(--ink-2);font-size:clamp(16px,1.6vw,19px);line-height:1.5}

/* demo */
.demo{display:grid;gap:16px;grid-template-columns:minmax(0,1fr)}
@media (min-width:980px){.demo{grid-template-columns:minmax(0,1fr) 320px;align-items:start}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.bar{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--line);color:var(--ink-3);min-height:45px}
.bar .status{color:var(--ink-2);text-align:right;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bar .status.err{color:var(--accent)}
.progress{height:2px;background:transparent;position:relative;margin-top:-1px}
.progress i{position:absolute;left:0;top:0;bottom:0;width:0;background:var(--accent);transition:width .2s linear,opacity .4s}

.stage-wrap{--stage-h:min(560px,66vh);padding:16px;display:grid;place-items:center;min-height:340px;position:relative}
@media (min-width:720px){.stage-wrap{--stage-h:min(620px,70vh);padding:24px;min-height:520px}}

.drop{width:100%;min-height:300px;border:1px dashed var(--line);border-radius:10px;display:grid;place-items:center;text-align:center;padding:32px 16px;transition:border-color .2s,background .2s}
@media (min-width:720px){.drop{min-height:470px}}
.drop.over,.stage-wrap.over .stage{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 5%,transparent)}
.drop h2{font-weight:500;font-size:clamp(22px,2.6vw,30px);letter-spacing:-.035em;line-height:1.1;margin:0}
.drop p{margin:10px 0 22px;color:var(--ink-2);max-width:30em}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:40px;padding:0 16px;border-radius:999px;border:1px solid var(--line);color:var(--ink);font-size:14px;transition:border-color .2s,background .2s,color .2s;white-space:nowrap}
.btn:hover{border-color:var(--ink-3)}
.btn.primary{background:var(--ink);border-color:var(--ink);color:var(--bg)}
.btn.primary:hover{background:var(--accent);border-color:var(--accent);color:#fff}
.btn[disabled]{opacity:.4;pointer-events:none}

.stage{position:relative;max-width:100%;border-radius:8px;overflow:hidden;touch-action:none;user-select:none;-webkit-user-select:none;cursor:ew-resize;border:1px solid transparent}
.stage canvas{width:100%;height:100%;position:absolute;inset:0}
.stage .checker{position:absolute;inset:0;background-color:var(--chk-b);background-image:linear-gradient(45deg,var(--chk-a) 25%,transparent 25%),linear-gradient(-45deg,var(--chk-a) 25%,transparent 25%),linear-gradient(45deg,transparent 75%,var(--chk-a) 75%),linear-gradient(-45deg,transparent 75%,var(--chk-a) 75%);background-size:18px 18px;background-position:0 0,0 9px,9px -9px,-9px 0}
.stage #before{clip-path:inset(0 calc(100% - var(--x,50%)) 0 0)}
.stage.nosplit #before{display:none}
.stage.nosplit .handle,.stage.nosplit .tag{display:none}
.handle{position:absolute;top:0;bottom:0;left:var(--x,50%);width:0;pointer-events:none}
.handle::before{content:"";position:absolute;top:0;bottom:0;left:-.5px;width:1px;background:#fff;box-shadow:0 0 0 .5px rgba(0,0,0,.25)}
.handle span{position:absolute;top:50%;left:0;width:34px;height:34px;transform:translate(-50%,-50%);border-radius:50%;background:#fff;color:#121211;display:grid;place-items:center;box-shadow:0 2px 10px rgba(0,0,0,.25)}
.handle svg{width:16px;height:16px}
.tag{position:absolute;top:10px;padding:3px 8px;border-radius:999px;background:rgba(18,18,17,.62);color:#f4f3ef;pointer-events:none}
.tag.l{left:10px}.tag.r{right:10px}
.busy{position:absolute;left:50%;bottom:14px;transform:translateX(-50%);padding:6px 12px;border-radius:999px;background:rgba(18,18,17,.72);color:#f4f3ef;display:none;align-items:center;gap:8px;white-space:nowrap}
.busy i{width:7px;height:7px;border-radius:50%;background:var(--accent);animation:pulse 1s infinite}
.stage.working .busy{display:inline-flex}
.stage.working canvas#after{opacity:.0}
.stage.working #before{clip-path:none}
.stage.working .handle,.stage.working .tag{display:none}
.scan{position:absolute;left:0;right:0;height:1px;background:var(--accent);top:0;display:none;box-shadow:0 0 12px 1px var(--accent)}
.stage.working .scan{display:block;animation:scan 1.6s var(--ease) infinite alternate}
@keyframes scan{from{top:0}to{top:100%}}
@keyframes pulse{50%{opacity:.25}}
#range{position:absolute;inset:auto 0 0 0;opacity:0;pointer-events:none;width:100%}

.samples{display:flex;align-items:center;gap:10px;padding:12px 16px;border-top:1px solid var(--line);flex-wrap:wrap}
.samples .lbl{color:var(--ink-3);margin-right:4px}
.thumb{width:52px;height:40px;border-radius:6px;overflow:hidden;border:1px solid var(--line);position:relative;transition:border-color .2s}
.thumb img{width:100%;height:100%;object-fit:cover}
.thumb:hover,.thumb[aria-pressed="true"]{border-color:var(--accent)}
.samples .grow{flex:1}
.samples .btn{height:34px;font-size:13px}

/* controls */
.panel{padding:4px 0}
.group{padding:14px 16px;border-bottom:1px solid var(--line)}
.group:last-child{border-bottom:0}
.group > .mono{color:var(--ink-3);display:block;margin-bottom:10px}
.seg{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;border:1px solid var(--line);border-radius:10px;padding:3px;gap:3px;background:var(--surface)}
.seg button{height:32px;border-radius:7px;font-size:13px;color:var(--ink-2);transition:background .2s,color .2s}
.seg button:hover{color:var(--ink)}
.seg button[aria-pressed="true"]{background:var(--card);color:var(--ink);box-shadow:0 0 0 1px var(--line)}
.opts{margin-top:12px;display:none}
.opts.on{display:block}
.swatches{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.sw{width:28px;height:28px;border-radius:50%;border:1px solid var(--line);position:relative}
.sw[aria-pressed="true"]{box-shadow:0 0 0 2px var(--card),0 0 0 3px var(--accent)}
.sw.custom{overflow:hidden;display:grid;place-items:center;color:var(--ink-3)}
.sw.custom input{position:absolute;inset:-8px;width:44px;height:44px;opacity:0;cursor:pointer}
.sw.custom svg{width:14px;height:14px}
.grads{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.grads button{height:40px;border-radius:8px;border:1px solid var(--line)}
.grads button[aria-pressed="true"]{box-shadow:0 0 0 2px var(--card),0 0 0 3px var(--accent)}
.slider{display:flex;align-items:center;gap:12px}
.slider input{flex:1;accent-color:var(--accent)}
.slider output{width:40px;text-align:right;color:var(--ink-2)}
.actions{display:grid;grid-template-columns:1fr auto;gap:8px}
.stats{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;margin:0}
.stats dt{color:var(--ink-3)}
.stats dd{margin:0;text-align:right;color:var(--ink);font-family:var(--mono);font-size:12px;overflow-wrap:anywhere}
.stats dd.hl{color:var(--accent)}
.note{color:var(--ink-3);font-size:13px;line-height:1.5;margin:10px 0 0}

/* write-up */
.writeup{padding-top:96px;padding-bottom:40px}
.sec{display:grid;gap:12px 32px;padding:36px 0;border-top:1px solid var(--line)}
@media (min-width:900px){.sec{grid-template-columns:260px minmax(0,1fr)}}
.sec > .mono{color:var(--ink-3)}
.sec h2{font-weight:500;font-size:clamp(24px,3vw,36px);letter-spacing:-.04em;line-height:1.08;margin:0 0 14px;max-width:20em}
.sec p,.sec li{color:var(--ink-2);max-width:40em}
.sec p{margin:0 0 14px}
.sec ol,.sec ul{margin:0;padding-left:20px}
.sec li{margin:0 0 10px}
.sec li::marker{color:var(--ink-3);font-family:var(--mono);font-size:12px}
.sec strong{color:var(--ink);font-weight:500}
code{font-family:var(--mono);font-size:.86em;background:var(--surface);border:1px solid var(--line);border-radius:5px;padding:1px 5px;color:var(--ink)}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:var(--card);margin:6px 0 16px}
table{border-collapse:collapse;width:100%;font-size:14px;min-width:520px}
th,td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
tr:last-child td{border-bottom:0}
th{font-family:var(--mono);font-weight:400;font-size:12px;color:var(--ink-3);text-transform:lowercase}
td.n{font-family:var(--mono);font-size:13px;white-space:nowrap;color:var(--ink)}
td.n b{font-weight:500;color:var(--accent)}

footer{border-top:1px solid var(--line);margin-top:24px}
footer .wrap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding-top:22px;padding-bottom:40px;color:var(--ink-3)}
footer a{color:var(--ink-2)}
footer a:hover{color:var(--ink)}
.stage-wrap:has(.stage:not([hidden])){min-height:0}

/* The workbench: lilac stock, sharp editorial type and a dark contact-sheet stage. */
:root{--bg:#f4f2f8;--surface:#eeebf5;--card:#fff;--ink:#211a30;--ink-2:#635b72;--ink-3:#726980;--line:#ded8e8;--accent:#7951d9;--accent-ink:#6240b3;--r:18px;--max:1400px}
:root[data-theme="dark"]{--bg:#17131e;--surface:#272030;--card:#201a29;--ink:#f5efff;--ink-2:#c4b8d4;--ink-3:#afa0c2;--line:#40344e;--accent:#b49af5;--accent-ink:#c7b1fa}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#17131e;--surface:#272030;--card:#201a29;--ink:#f5efff;--ink-2:#c4b8d4;--ink-3:#afa0c2;--line:#40344e;--accent:#b49af5;--accent-ink:#c7b1fa}}
.nav{border-bottom:1px solid var(--line);position:relative}.nav .wrap{height:72px}.logo{font-size:23px;letter-spacing:-1px}.logo i{border-radius:50%;width:18px;height:18px;background:conic-gradient(var(--accent) 0 75%,transparent 75%);transform:rotate(-45deg)}
.hero{padding-top:46px;padding-bottom:40px;position:relative}h1{font-size:clamp(44px,6.4vw,86px);font-weight:500;letter-spacing:-.065em;max-width:850px;margin-top:24px}h1 em{color:var(--accent);font-family:Georgia,serif;font-style:italic;font-weight:400;letter-spacing:-.055em}.sub{max-width:550px;font-size:17px;margin-top:20px}.kicker{justify-content:space-between;font-size:11px;letter-spacing:.06em}.kicker span:last-child{color:var(--ink-2)}
.demo{gap:20px}.bar{font-size:10px;letter-spacing:.04em;padding:16px 20px;min-height:54px}.stage-wrap{background:#282330;background-image:radial-gradient(#494052 1px,transparent 1px);background-size:18px 18px;padding:24px;--stage-h:min(650px,75vh)}.drop{border:1px dashed #685e77;min-height:480px;color:#fbf8ff;background:linear-gradient(145deg,#35303e99,#211d28aa);border-radius:12px}.drop p{color:#c8bfd3;max-width:360px;font-size:14px;margin:14px auto 22px}.drop h2{font-size:28px}.drop .primary{background:#d4c1ff;color:#291c43;border-color:#d4c1ff}.drop-formats{display:block;margin-top:18px;color:#bfb1d0;font-size:10px;letter-spacing:.08em}.drop-art{position:relative;width:180px;height:130px;margin:0 auto 34px}.drop-art i{display:block;width:95px;height:115px;border-radius:7px;transform:rotate(-13deg);background:linear-gradient(140deg,#b6a3cf,#75628f);position:absolute;left:23px;top:6px;border:4px solid #ded3ed}.drop-art span{position:absolute;z-index:2;top:0;left:61px;color:#e9daff;font-size:90px;line-height:1.2;text-shadow:4px 8px 0 #392b51;transform:rotate(12deg)}.drop-art b{position:absolute;z-index:3;bottom:0;left:34px;transform:rotate(8deg);font-size:10px;color:#31233f;background:#d5f1a4;padding:5px 10px;font-family:var(--mono);font-weight:400;white-space:nowrap}.panel-title{display:flex;justify-content:space-between;align-items:center;padding:17px 18px;border-bottom:1px solid var(--line)}.panel-title .mono{font-size:10px;letter-spacing:.1em}.private-badge{font-size:10px;color:var(--accent-ink);background:var(--surface);padding:4px 8px;border-radius:12px}.group{padding:18px}.group>.mono{font-size:10px;letter-spacing:.08em}.btn{border-radius:9px;min-height:42px}.btn.primary{background:var(--accent);border-color:var(--accent);color:white}.btn.primary:hover{background:var(--accent-ink);border-color:var(--accent-ink)}.seg{border-radius:8px;background:var(--surface)}.seg button{min-height:38px;font-size:12px}.seg button[aria-pressed=true]{color:var(--accent-ink)}button:disabled{opacity:.4;cursor:not-allowed}.history-actions{display:flex;gap:8px;margin-top:12px}.history-actions .btn{flex:1;font-size:12px;min-height:36px;height:36px}.text-button{font-size:12px;text-decoration:underline;text-underline-offset:3px;color:var(--accent-ink);margin-top:14px;min-height:32px}.note{font-size:12px;color:var(--ink-2)}.brush-controls{margin-top:14px}.brush-controls label{font-size:12px;display:flex;justify-content:space-between}.brush-controls input{width:100%;accent-color:var(--accent);margin:12px 0;min-height:24px}.brush-controls output{font-family:var(--mono);font-size:11px}.stage.editing{cursor:crosshair}.stage.editing #brushCursor{position:absolute;z-index:5;pointer-events:none;transform:translate(-50%,-50%);border:1px solid white;border-radius:50%;box-shadow:0 0 0 1px #22172f;background:#ffffff15}.export-options{display:grid;grid-template-columns:1fr 1fr;gap:8px}.export-options label{font-size:11px;color:var(--ink-2)}select{display:block;width:100%;margin-top:5px;border:1px solid var(--line);background:var(--card);color:var(--ink);padding:10px 6px;border-radius:7px;font:12px var(--sans)}.actions{margin-top:12px}.manual-choice{padding:12px 18px;display:block;border-top:1px solid var(--line);font-size:12px}.manual-choice input{accent-color:var(--accent);margin-right:7px}.manual-choice span{display:block;padding-left:24px;color:var(--ink-2);font-size:11px;margin-top:4px}.samples{padding:14px 18px}.thumb{height:44px;width:56px}.theme{height:44px;width:44px}.skip{position:fixed;top:-100px;left:16px;z-index:99;background:var(--ink);color:var(--bg);padding:12px}.skip:focus{top:12px}.writeup{padding-top:70px}.sec h2{letter-spacing:-.045em}.stage.working #before{display:block}
@media(min-width:980px){.demo{grid-template-columns:minmax(0,1fr) 340px}.demo>.card:first-child{position:sticky;top:20px}.hero .sub{position:absolute;right:32px;bottom:48px;width:29%;max-width:330px}.hero h1{max-width:70%}}
@media(max-width:719px){.hero{padding-top:28px}.kicker span:last-child{display:none}.stage-wrap{padding:12px;--stage-h:60vh}.drop{min-height:390px;padding:24px 14px}.drop-art{margin-bottom:22px}.bar{align-items:start;flex-direction:column;gap:5px}.bar .status{white-space:normal;text-align:left;overflow-wrap:anywhere}.nav li a{font-size:12px}.nav ul{gap:8px}.samples .lbl{display:none}.samples{gap:8px}.panel{border-radius:14px}.writeup{padding-top:40px}.stage-wrap:has(.stage:not([hidden])){min-height:0}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
:root{--on-accent:#fff}:root[data-theme="dark"]{--on-accent:#211a30}@media(prefers-color-scheme:dark){:root:not([data-theme="light"]){--on-accent:#211a30}}
.btn.primary{color:var(--on-accent)}.drop .btn.primary{color:#291c43}
/* Let nested grids shrink on phones; wide benchmark tables scroll in their own wrapper. */
.sec > div,.demo > .card,.export-options > label{min-width:0}
.sec{grid-template-columns:minmax(0,1fr)}
@media(min-width:900px){.sec{grid-template-columns:260px minmax(0,1fr)}}
.sec code{overflow-wrap:anywhere}
.skip:not(:focus){clip-path:inset(50%);width:1px;height:1px;overflow:hidden;white-space:nowrap;padding:0}