:root{color-scheme:dark;--bg:#151b1b;--panel:#1d2524;--line:#3b4843;--muted:#a9b6ae;--text:#edeedc;--accent:#c8de9b;--mono:'Cascadia Code','SFMono-Regular',Consolas,monospace;font-family:Inter,ui-sans-serif,system-ui,sans-serif;color:var(--text);background:var(--bg);font-size:13px}
*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,select,input[type=number]{background:#26312d;border:1px solid var(--line);border-radius:5px;color:var(--text);min-height:34px;padding:7px 10px}button{cursor:pointer}button:hover:not(:disabled),select:hover{border-color:#9aaf97;background:#344236}button:disabled{opacity:.45;cursor:wait}button.primary{background:var(--accent);border-color:var(--accent);color:#1d2d23;font-weight:650}button.primary:hover:not(:disabled){background:#ddebbe}a{color:inherit;text-underline-offset:4px}a:hover{color:var(--accent)}:focus-visible{outline:2px solid var(--accent);outline-offset:3px}h1,h2,p,figure{margin:0}h1{font-size:21px;letter-spacing:-.6px;font-weight:650}h2{font-size:12px;font-weight:650;letter-spacing:.03em}label{display:flex;align-items:center;justify-content:space-between;margin:14px 0 6px;font-size:12px}output{font-family:var(--mono);color:var(--accent)}select{max-width:100%}input[type=range]{width:100%;margin:3px 0 9px;accent-color:var(--accent)}input[type=color]{padding:0;width:30px;height:29px;border:0;background:none;cursor:pointer}input[type=number]{width:100%}input[type=checkbox]{accent-color:var(--accent)}[hidden]{display:none!important}.topbar{display:flex;align-items:center;justify-content:space-between;padding:17px 26px;border-bottom:1px solid var(--line);gap:16px}.brand{display:flex;align-items:center;gap:11px}.brand p{font:10px var(--mono);letter-spacing:.08em;color:var(--muted);margin-top:3px}.mark{font-size:32px;line-height:1;color:var(--accent)}.toplinks{display:flex;align-items:center;gap:24px;font-size:12px}.local{color:var(--muted)}main{max-width:1680px;margin:auto;padding:20px 26px}.sourcebar{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:20px}.sourcebar>div{display:flex;align-items:center;gap:14px}.hint,.small{font-size:11px;color:var(--muted);line-height:1.6}.sourcebar p{font:11px var(--mono);color:var(--muted);overflow-wrap:anywhere;max-width:42%;text-align:right}.workspace{display:grid;grid-template-columns:264px minmax(0,1fr);gap:24px}.controls{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:16px;align-self:start}.section-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px}.text-button{padding:0;min-height:24px;border:0;background:none;color:var(--muted);font-size:11px}.mode-picker{display:grid;grid-template-columns:repeat(3,1fr);gap:4px}.mode-picker button{font-size:12px;padding:8px 6px}.mode-picker [aria-pressed=true]{background:var(--accent);color:#1d2d23;border-color:var(--accent)}.controls select{width:100%}.controls section,.controls details{border-top:1px solid var(--line);margin-top:18px;padding-top:17px}.controls .check{justify-content:start;gap:8px}.controls #method-note{margin-top:6px;min-height:36px}.palette-editor{display:grid;grid-template-columns:repeat(4,1fr);gap:7px;margin:12px 0}.color-slot{display:flex;flex-direction:column;align-items:center;border:1px solid var(--line);border-radius:4px;position:relative;overflow:hidden}.color-slot input{width:100%;height:30px}.color-slot code{font-size:9px;line-height:22px}.color-slot button{font-size:12px;position:absolute;right:0;top:0;min-height:20px;width:20px;padding:0;border:0;border-radius:0;background:#111d;color:white;opacity:0}.color-slot:hover button,.color-slot:focus-within button{opacity:1}.palette-actions{display:flex;gap:5px;flex-wrap:wrap}.palette-actions button{font-size:10px;padding:7px}.palette-actions select{width:46px;padding:5px}.palette-actions+p{margin-top:10px}summary{font-size:12px;cursor:pointer;line-height:1.7;color:var(--muted)}summary:hover{color:var(--text)}.workbench{min-width:0}.viewbar{display:flex;justify-content:space-between;gap:14px;align-items:center;margin-bottom:12px}.viewbar label,.exportbar label{margin:0;color:var(--muted);font-size:11px}.reference-controls,.zoom-controls{display:flex;align-items:center;gap:8px}.viewbar select{font-size:11px}.panels{display:grid;grid-template-columns:1fr 1fr;gap:12px}.panels figure{min-width:0;border:1px solid var(--line);border-radius:7px;overflow:hidden;background:#101616}.panels figcaption{padding:10px 12px;background:var(--panel);display:flex;justify-content:space-between;gap:10px;font:10px var(--mono);color:var(--muted);border-bottom:1px solid var(--line)}#output-label{color:var(--accent)}.viewport{height:clamp(280px,35vw,550px);overflow:auto;padding:18px;display:flex;align-items:center;justify-content:center;background:repeating-conic-gradient(#1b2221 0% 25%,#202826 0% 50%) 50%/16px 16px;scrollbar-color:#5c6d60 #202826}.viewport canvas{display:block;image-rendering:pixelated;max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;box-shadow:0 3px 20px #0003}.viewport[data-zoom]{display:block;padding:0}.viewport[data-zoom] canvas{max-width:none;max-height:none;object-fit:unset;box-shadow:none}.evidence{display:flex;justify-content:space-between;gap:16px;margin:13px 0 10px;font:10px var(--mono);color:var(--muted);line-height:1.6}.usage{height:6px;display:flex;gap:2px;border-radius:2px;overflow:hidden}.usage span{min-width:0}.view-help{margin-top:10px}.exportbar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:16px 0;margin-top:18px}.exportbar>div{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.exportbar button{font-size:11px}.examples{margin-top:22px}.example-list{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.example{padding:0;overflow:hidden;text-align:left;background:var(--panel)}.example[aria-pressed=true]{border-color:var(--accent)}.example canvas{display:block;width:100%;height:96px;object-fit:cover;image-rendering:pixelated}.example strong{display:block;font:11px var(--mono);margin:10px 12px 4px}.example span{display:block;font-size:10px;color:var(--muted);margin:0 12px 12px}.pipeline{margin:22px 0 6px;padding-top:16px;border-top:1px solid var(--line);color:var(--muted);font-size:12px;line-height:1.8}.pipeline ol{padding-left:20px}.pipeline p{max-width:850px}.notice{background:#343c28;border:1px solid #788563;padding:12px 16px;border-radius:5px;margin-bottom:16px;font-size:12px;line-height:1.6}.notice[data-error=true]{border-color:#c58d78;background:#3c2e27}footer{padding:20px 26px;border-top:1px solid var(--line);display:flex;justify-content:space-between;color:var(--muted);font:10px var(--mono);gap:14px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}body.dragging{outline:4px solid var(--accent);outline-offset:-5px}body.dragging .sourcebar{background:#344236}noscript{display:block;padding:20px;color:#ffb99e}
.viewport canvas{width:100%;height:100%}.mobile-jump{display:none}
@media(min-width:1500px){.workspace{grid-template-columns:280px minmax(0,1fr)}.example canvas{height:120px}}
@media(max-width:1050px){main{padding:18px}.workspace{grid-template-columns:230px minmax(0,1fr);gap:16px}.topbar{padding:16px 18px}.hint{display:none}.viewbar{flex-wrap:wrap}.viewport{height:300px;padding:10px}.examples .section-head{align-items:start;flex-direction:column;gap:3px}.evidence{flex-direction:column;gap:3px}.exportbar>div{gap:6px}.toplinks{gap:12px}}
@media(max-width:700px){main{padding:14px}.topbar{padding:14px}.local{display:none}.sourcebar{align-items:start}.sourcebar p{font-size:10px}.workspace{display:flex;flex-direction:column;gap:18px}.controls{width:100%;display:grid;grid-template-columns:1fr 1fr;gap:0 18px}.controls>.section-head,.mode-picker,.controls>details{grid-column:1/-1}.controls>label[for=columns],.controls>input#columns,.controls>#method-note{grid-column:1/-1}.controls>section{min-width:0}.controls>#method-note{min-height:0}.controls>#dither-controls,.controls>#ascii-controls{grid-column:1/-1}.controls>#dither-controls{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}.controls>#dither-controls label{grid-row:1}.controls>#dither-controls input{align-self:center}.controls>#dither-controls select{grid-column:1;grid-row:2}.palette-editor{grid-template-columns:repeat(4,1fr);gap:3px}.color-slot code{font-size:8px}.color-slot button{opacity:1}.palette-actions button{font-size:10px}.panels{gap:8px}.viewport{height:250px;padding:7px}.panels figcaption{padding:8px;font-size:9px;flex-direction:column;gap:4px}.viewbar{gap:8px}.zoom-controls{flex-wrap:wrap}.example-list{gap:8px}.example canvas{height:70px}.example strong,.example span{margin-left:8px;margin-right:8px}.example strong{font-size:10px}.example span{font-size:9px}.workbench{width:100%}footer{padding:16px 14px;flex-direction:column;gap:8px}.section-head{margin-bottom:10px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}
@media(max-width:700px){.workbench{order:-1}.mobile-jump{display:inline;font-size:11px;color:var(--accent)}#controls,#preview{scroll-margin-top:12px}}