:root{color-scheme:dark;font-family:Inter,ui-sans-serif,system-ui,sans-serif;--bg:#131514;--panel:#1c201e;--line:#3a413c;--text:#f1f3ef;--muted:#acb7ae;--accent:#bbdf8d}
*{box-sizing:border-box;letter-spacing:0}
html{scroll-behavior:smooth;scroll-padding-top:24px}
body{margin:0;background:var(--bg);color:var(--text);line-height:1.6}
button,select,input{font:inherit}
a{color:var(--accent);text-underline-offset:4px}a:hover{color:#e0f6c9}
button:focus-visible,select:focus-visible,input:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:4px}
main,.site-nav,footer{width:min(1200px,100% - 48px);margin-inline:auto}
.site-nav{display:flex;justify-content:space-between;gap:20px;padding:22px 0;border-bottom:1px solid var(--line);font-size:13px}
.site-nav a{text-decoration:none}.brand{font-weight:800;color:var(--text)}
.site-nav>div{display:flex;gap:24px;flex-wrap:wrap}
.intro{padding:24px 0 16px;max-width:920px}
.eyebrow{font-size:11px;font-weight:750;color:var(--accent);margin:0 0 10px}
h1{font-size:32px;line-height:1.2;margin:0 0 14px;font-weight:650}
h2{font-size:25px;line-height:1.3;margin:0 0 16px;font-weight:600}
h3{font-size:17px;line-height:1.4;margin:0 0 8px;font-weight:650}
p{color:var(--muted);margin:0 0 16px}
.lead{font-size:16px;max-width:850px;margin:0}
.section-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px 0}
.section-heading h2{margin:0;font-size:20px}
.source-inputs{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2fr);gap:20px;padding:0 0 16px;border-bottom:1px solid var(--line)}
.source-inputs label{display:flex;flex-direction:column;gap:7px;min-width:0;font-size:12px;color:var(--muted);font-weight:650}
.source-inputs input[type=file]{width:100%;min-width:0;height:42px;border:1px solid var(--line);border-radius:4px;background:var(--panel);color:var(--text);font-size:13px}
.source-inputs input::file-selector-button{height:40px;border:0;border-right:1px solid var(--line);margin-right:12px;padding:0 14px;background:transparent;color:var(--text);cursor:pointer}
.comparison{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
figure{margin:0;min-width:0}
figcaption{display:flex;justify-content:space-between;gap:12px;padding:10px 0;font-size:13px}
figcaption span{color:var(--muted);min-width:0;overflow-wrap:anywhere}
.comparison img,.comparison canvas{display:block;width:100%;height:auto;aspect-ratio:1;object-fit:contain;border-radius:4px;background:var(--panel)}
.controls{display:grid;grid-template-columns:repeat(3,minmax(0,1fr)) auto auto;gap:20px;align-items:end;padding:8px 0 16px;border-bottom:1px solid var(--line)}
.controls label{display:flex;flex-direction:column;gap:7px;font-size:12px;color:var(--muted);font-weight:650}
select{width:100%;min-width:0;height:42px;border:1px solid var(--line);border-radius:4px;background:var(--panel);color:var(--text);padding:0 10px;font-size:14px}
.controls .motion-control{flex-direction:row;align-items:center;align-self:end;min-height:42px;white-space:nowrap;font-size:14px;color:var(--text)}
input[type=checkbox]{accent-color:var(--accent);width:18px;height:18px}
#reset{height:42px;border:1px solid var(--line);border-radius:4px;background:transparent;color:var(--text);padding:0 14px;cursor:pointer;font-size:13px}
#reset:hover{background:var(--panel)}
.recipe{font-size:12px;padding-top:10px;min-height:32px;margin:0}
.series-controls{display:flex;align-items:end;gap:14px;flex-wrap:wrap;padding:12px 0 20px;border-bottom:1px solid var(--line)}
.series-controls label{display:flex;flex-direction:column;gap:5px;color:var(--muted);font-size:12px}
.series-controls input[type=number]{width:105px;height:42px;padding:8px;border:1px solid var(--line);border-radius:4px;background:var(--panel);color:var(--text)}
.series-controls select{min-width:80px}.series-controls button{height:42px;padding:0 14px;border:1px solid var(--line);border-radius:4px;background:var(--panel);color:var(--text);font-size:13px;cursor:pointer}
button:disabled,select:disabled,input:disabled{opacity:.5;cursor:wait}
.layer-settings{padding:14px 0;border-bottom:1px solid var(--line);font-size:14px}.layer-settings summary{cursor:pointer;color:var(--accent)}
#layer-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:16px}#layer-list label{display:flex;flex-direction:column;gap:5px;color:var(--muted);font-size:12px}
#layer-list label span{overflow-wrap:anywhere}
.explanation{max-width:880px;padding:26px 0 10px}.explanation p{font-size:14px}
.documentation{border-top:1px solid var(--line);margin-top:36px;padding:36px 0 8px}
.documentation>p{max-width:890px}
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));column-gap:36px;row-gap:26px;margin:28px 0}
.steps article{min-width:0}.steps p{font-size:14px;margin:0}.step-number{display:block;font-size:13px;color:var(--accent);margin-bottom:8px}
.artist-steps{grid-template-columns:repeat(2,minmax(0,1fr))}
.launch-flow{list-style:none;padding:0;margin:26px 0;border-left:2px solid var(--accent)}
.launch-flow li{padding:10px 22px}.launch-flow strong,.launch-flow span{display:block}.launch-flow span{font-size:14px;color:var(--muted)}
.link-divider{margin:0 10px;color:var(--muted)}
.reference-links{display:flex;gap:20px;flex-wrap:wrap;font-size:14px;padding:10px 0}
footer{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding:24px 0;margin-top:40px;font-size:12px;color:var(--muted)}
@media(min-width:1500px){main,.site-nav,footer{width:min(1300px,100% - 64px)}}
@media(max-width:760px){main,.site-nav,footer{width:calc(100% - 32px)}.site-nav{flex-direction:column;gap:10px;padding:16px 0}.site-nav>div{gap:20px}.intro{padding:24px 0 14px}h1{font-size:28px}h2{font-size:23px}.section-heading{align-items:flex-start;flex-direction:column;gap:8px}.comparison{gap:12px}figcaption{font-size:12px;gap:4px;flex-direction:column}.controls{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.documentation{padding-top:28px}}
@media(max-width:400px){.steps{grid-template-columns:1fr}.comparison{gap:8px}.lead{font-size:14px}.reference-links{gap:14px}}
@media(max-width:760px){#demo{display:flex;flex-direction:column}.section-heading{order:0}.source-inputs{order:1;grid-template-columns:1fr;gap:12px}.comparison{order:2}.controls{order:3;margin-top:12px}.recipe{order:4}.series-controls{order:5}.layer-settings{order:6}.explanation{order:7}#layer-list{grid-template-columns:repeat(2,minmax(0,1fr))}.series-controls{gap:10px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}