/* pixel-sound-lab: scoped to .lab-pixel-sound-lab by build.mjs */
.lab-pixel-sound-lab{color-scheme:dark;
  --bg:transparent; --surface:#1b1f2a; --surface-2:#222633; --ink:#f4f1ea; --ink-2:#c7c4bd; --muted:#9295a0;
  --line:rgba(244,241,234,.1); --line-gold:rgba(255,172,45,.2);
  --accent:#ffac2d; --accent-2:#ffc062; --accent-soft:rgba(255,172,45,.14); --on-accent:#141720; --signal:#f47a1f;
  --stage:#11141b; --stage-line:rgba(255,172,45,.18); --stage-ink:#f4f1ea; --stage-muted:#9295a0;
  --ch-r:#ff5d62; --ch-g:#3fcf7e; --ch-b:#5c9bff;
  --font-display:"Poppins","Vazirmatn",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-body:"Geist","Vazirmatn",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-mono:"Geist Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;}
html[lang="fa"] .lab-pixel-sound-lab{--font-display:"Vazirmatn",Tahoma,system-ui,sans-serif;
  --font-body:"Vazirmatn",Tahoma,system-ui,sans-serif;}
.lab-pixel-sound-lab *,.lab-pixel-sound-lab *::before,.lab-pixel-sound-lab *::after{box-sizing:border-box}
.lab-pixel-sound-lab [hidden]{display:none!important}
.lab-pixel-sound-lab{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}
html[lang="fa"] .lab-pixel-sound-lab{line-height:1.85}
.lab-pixel-sound-lab img,.lab-pixel-sound-lab video{max-width:100%}
.lab-pixel-sound-lab p{margin:0}
.lab-pixel-sound-lab a{color:var(--accent)}
.lab-pixel-sound-lab .ltr{direction:ltr;unicode-bidi:isolate;display:inline-block}
.lab-pixel-sound-lab .page{max-width:1128px;margin-inline:auto;padding-inline:28px;padding-block:clamp(28px,5vw,56px) 36px}
@media (max-width:560px){.lab-pixel-sound-lab .page{padding-inline:16px}
}
.lab-pixel-sound-lab .hero{padding-block:0 40px;border-bottom:1px solid var(--line);display:grid;gap:14px}
.lab-pixel-sound-lab .eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-mono);font-size:12.5px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}
.lab-pixel-sound-lab .eyebrow::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--signal);flex:none}
html[lang="fa"] .lab-pixel-sound-lab .eyebrow{font-family:var(--font-body);font-size:14.5px;font-weight:700;letter-spacing:0;text-transform:none}
.lab-pixel-sound-lab h1{font-family:var(--font-display);font-weight:700;font-size:clamp(44px,8.4vw,86px);line-height:1;letter-spacing:-.045em;margin:0;text-wrap:balance}
html[lang="fa"] .lab-pixel-sound-lab h1{font-weight:800;letter-spacing:0;line-height:1.3;font-size:clamp(40px,7.6vw,74px)}
.lab-pixel-sound-lab .lede{font-size:clamp(18px,2vw,20px);color:var(--ink-2);max-width:60ch}
.lab-pixel-sound-lab .film{margin:18px 0 0;display:grid;gap:12px}
.lab-pixel-sound-lab .film .stage{border-radius:16px;box-shadow:0 30px 60px -40px rgba(0,0,0,.9)}
.lab-pixel-sound-lab .film video{display:block;width:100%;height:auto;aspect-ratio:16/9;background:#11141b}
.lab-pixel-sound-lab .film figcaption{font-size:14.5px;color:var(--muted);max-width:72ch}
.lab-pixel-sound-lab .exp{padding-block:clamp(44px,6vw,64px);border-bottom:1px solid var(--line);display:grid;gap:26px}
.lab-pixel-sound-lab .exp:last-child{border-bottom:0}
.lab-pixel-sound-lab .exp-head{display:grid;grid-template-columns:auto minmax(0,1fr);gap:18px;align-items:start}
.lab-pixel-sound-lab .num{display:grid;place-items:center;width:52px;height:52px;border:1px solid var(--line-gold);border-radius:14px;background:var(--accent-soft);font-family:var(--font-display);font-weight:600;font-size:26px;line-height:1;color:var(--accent)}
.lab-pixel-sound-lab h2{font-family:var(--font-display);font-weight:600;font-size:clamp(27px,4.2vw,38px);line-height:1.15;letter-spacing:-.03em;margin:4px 0 10px;text-wrap:balance}
html[lang="fa"] .lab-pixel-sound-lab h2{font-weight:800;letter-spacing:0;line-height:1.45;margin-top:0}
.lab-pixel-sound-lab .exp-head p{color:var(--ink-2);max-width:64ch}
.lab-pixel-sound-lab .exp-body{display:grid;gap:24px;align-items:start}
@media (min-width:820px){.lab-pixel-sound-lab .exp-body{grid-template-columns:minmax(0,1.2fr) minmax(0,1fr)}
}
.lab-pixel-sound-lab .stage{background:var(--stage);border:1px solid var(--stage-line);border-radius:14px;overflow:hidden;position:relative;color:var(--stage-ink)}
.lab-pixel-sound-lab .stage canvas{display:block;width:100%;height:auto;max-width:100%}
.lab-pixel-sound-lab .controls{display:grid;gap:14px;align-content:start;min-width:0}
.lab-pixel-sound-lab .label{font-size:13.5px;font-weight:500;color:var(--muted)}
.lab-pixel-sound-lab .fact{font-size:14.5px;color:var(--ink-2);border-top:1px dashed var(--line-gold);padding-top:12px}
.lab-pixel-sound-lab .readout{font-variant-numeric:tabular-nums;font-weight:600;font-size:18px}
.lab-pixel-sound-lab .readout-sub{color:var(--ink-2);font-size:14px}
.lab-pixel-sound-lab input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:30px;background:transparent;margin:0;cursor:pointer;min-width:0}
.lab-pixel-sound-lab input[type=range]::-webkit-slider-runnable-track{height:10px;border-radius:999px;background:var(--track,var(--surface-2));border:1px solid var(--line)}
.lab-pixel-sound-lab input[type=range]::-moz-range-track{height:10px;border-radius:999px;background:var(--track,var(--surface-2));border:1px solid var(--line)}
.lab-pixel-sound-lab input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:24px;height:24px;border-radius:50%;background:var(--ink);border:3px solid #141720;margin-top:-8px;box-shadow:0 0 0 1.5px var(--accent),0 2px 8px rgba(0,0,0,.5)}
.lab-pixel-sound-lab input[type=range]::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--ink);border:3px solid #141720;box-shadow:0 0 0 1.5px var(--accent)}
.lab-pixel-sound-lab input[type=range]:focus-visible{outline:2px solid var(--accent);outline-offset:4px;border-radius:999px}
.lab-pixel-sound-lab .btn{font:inherit;font-weight:600;font-size:15px;border-radius:999px;padding:10px 20px;border:1px solid transparent;cursor:pointer;display:inline-flex;align-items:center;gap:9px;line-height:1.4;transition:background-color .2s,border-color .2s}
.lab-pixel-sound-lab .btn svg{width:14px;height:14px;fill:currentColor;flex:none}
.lab-pixel-sound-lab .btn-primary{background:var(--accent);color:var(--on-accent);border-color:var(--accent)}
.lab-pixel-sound-lab .btn-primary:hover{background:var(--accent-2);border-color:var(--accent-2)}
.lab-pixel-sound-lab .btn-ghost{background:transparent;color:var(--ink);border-color:rgba(255,172,45,.34)}
.lab-pixel-sound-lab .btn-ghost:hover{background:var(--accent-soft);border-color:var(--accent)}
.lab-pixel-sound-lab .btn:focus-visible,.lab-pixel-sound-lab .chip:focus-visible,.lab-pixel-sound-lab .thumb:focus-visible,.lab-pixel-sound-lab canvas:focus-visible,.lab-pixel-sound-lab a:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.lab-pixel-sound-lab .row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.lab-pixel-sound-lab .chips{display:flex;flex-wrap:wrap;gap:8px}
.lab-pixel-sound-lab .chip{font:inherit;font-size:14px;border-radius:999px;padding:6px 13px;border:1px solid var(--line);background:rgba(244,241,234,.03);color:var(--ink);cursor:pointer;display:inline-flex;align-items:center;gap:7px;line-height:1.5;transition:background-color .2s,border-color .2s}
.lab-pixel-sound-lab .chip:hover{border-color:rgba(255,172,45,.34)}
.lab-pixel-sound-lab .chip[aria-pressed="true"]{background:var(--accent-soft);border-color:var(--accent);color:var(--ink)}
.lab-pixel-sound-lab .dot{width:14px;height:14px;border-radius:50%;display:inline-block;flex:none;box-shadow:inset 0 0 0 1px rgba(255,255,255,.18)}
.lab-pixel-sound-lab .color-stage{padding:16px;display:grid;gap:14px}
.lab-pixel-sound-lab .color-top{display:flex;gap:14px;align-items:stretch}
.lab-pixel-sound-lab .swatches{flex:1;min-width:0;display:grid;gap:10px;grid-template-columns:1fr}
.lab-pixel-sound-lab .swatches.two{grid-template-columns:1fr 1fr}
.lab-pixel-sound-lab .swatch{border-radius:10px;min-height:170px;display:flex;align-items:flex-end;padding:10px 12px;font-size:13px;font-weight:600;transition:background-color .08s linear}
.lab-pixel-sound-lab .magnifier{width:104px;flex:none;display:grid;gap:8px;align-content:start;justify-items:center}
.lab-pixel-sound-lab .pixel{width:96px;height:96px;display:grid;grid-template-columns:repeat(3,1fr);gap:5px;padding:6px;background:#000;border-radius:8px;direction:ltr;box-shadow:0 0 0 1px rgba(255,172,45,.2)}
.lab-pixel-sound-lab .sp{border-radius:3px}
.lab-pixel-sound-lab .magnifier p{font-size:12px;color:var(--stage-muted);text-align:center;line-height:1.5}
.lab-pixel-sound-lab .rgb-code{font-family:var(--font-mono);font-size:15px;color:var(--stage-ink);background:rgba(255,172,45,.08);border:1px solid rgba(255,172,45,.16);border-radius:8px;padding:6px 10px;justify-self:start}
.lab-pixel-sound-lab .slider-row{display:grid;grid-template-columns:4.6em minmax(0,1fr) 2.8em;gap:10px;align-items:center}
.lab-pixel-sound-lab .slider-row label{font-weight:600;display:flex;align-items:center;gap:6px}
.lab-pixel-sound-lab .slider-row output{font-family:var(--font-mono);font-weight:500;font-variant-numeric:tabular-nums;text-align:center}
.lab-pixel-sound-lab .ch{width:10px;height:10px;border-radius:50%;display:inline-block}
.lab-pixel-sound-lab .challenge-msg{font-weight:600;min-height:1.8em;color:var(--accent)}
.lab-pixel-sound-lab .pick{display:flex;gap:12px;align-items:center}
.lab-pixel-sound-lab .pick .dot{width:44px;height:44px;border-radius:10px}
.lab-pixel-sound-lab .trip{display:inline-flex;gap:10px;font-weight:600;font-variant-numeric:tabular-nums}
.lab-pixel-sound-lab .trip span{display:inline-flex;align-items:center;gap:4px}
.lab-pixel-sound-lab .trip i{width:8px;height:8px;border-radius:50%;display:inline-block}
.lab-pixel-sound-lab .i-r{background:var(--ch-r)}
.lab-pixel-sound-lab .i-g{background:var(--ch-g)}
.lab-pixel-sound-lab .i-b{background:var(--ch-b)}
.lab-pixel-sound-lab .badge{position:absolute;top:10px;inset-inline-end:10px;background:rgba(17,20,27,.8);border:1px solid rgba(255,172,45,.2);color:var(--stage-ink);font-family:var(--font-mono);font-size:12.5px;font-weight:500;border-radius:999px;padding:3px 12px}
html[lang="fa"] .lab-pixel-sound-lab .badge{font-family:var(--font-body);font-size:13px}
.lab-pixel-sound-lab .transport{display:grid;grid-template-columns:auto minmax(0,1fr);gap:14px;align-items:center}
.lab-pixel-sound-lab .rules{margin:0;display:grid;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--surface)}
.lab-pixel-sound-lab .rules div{display:flex;justify-content:space-between;gap:12px;padding:8px 14px;border-bottom:1px solid var(--line);align-items:center}
.lab-pixel-sound-lab .rules div:last-child{border-bottom:0}
.lab-pixel-sound-lab .rules dt{color:var(--ink-2);font-size:14px}
.lab-pixel-sound-lab .rules dd{margin:0;font-weight:600;font-variant-numeric:tabular-nums;display:flex;align-items:center;gap:8px;text-align:end}
.lab-pixel-sound-lab .code{font-family:var(--font-mono);font-size:12.5px;line-height:1.75;background:var(--stage);border:1px solid var(--line);color:var(--stage-ink);border-radius:12px;padding:12px 14px;margin:0;overflow-x:auto;white-space:pre;direction:ltr;text-align:left}
.lab-pixel-sound-lab .code .c{color:#8a8d98}
.lab-pixel-sound-lab .flip{display:grid;gap:10px}
.lab-pixel-sound-lab .thumbs{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px}
@media (max-width:640px){.lab-pixel-sound-lab .thumbs{grid-template-columns:repeat(3,minmax(0,1fr))}
}
.lab-pixel-sound-lab .thumb{font:inherit;background:none;border:0;padding:0;cursor:pointer;display:grid;gap:4px;color:var(--ink-2);font-size:12px;text-align:center}
.lab-pixel-sound-lab .thumb canvas{width:100%;height:auto;border-radius:8px;border:1px solid var(--line);display:block}
.lab-pixel-sound-lab .thumb[aria-current="true"] canvas{outline:2px solid var(--accent);outline-offset:1px}
.lab-pixel-sound-lab .wave-stage{padding:14px 14px 16px;display:grid;gap:8px}
.lab-pixel-sound-lab .stage-label{font-size:12.5px;color:var(--stage-muted)}
.lab-pixel-sound-lab #waveCanvas{height:150px}
.lab-pixel-sound-lab #dotsCanvas{height:120px}
.lab-pixel-sound-lab .nums{font-family:var(--font-mono);font-size:13px;color:var(--stage-ink);direction:ltr;text-align:left;display:flex;flex-wrap:wrap;gap:4px 14px;font-variant-numeric:tabular-nums}
.lab-pixel-sound-lab .progress{height:6px;border-radius:999px;background:var(--surface-2);overflow:hidden}
.lab-pixel-sound-lab .progress div{height:100%;width:0;background:linear-gradient(90deg,var(--signal),var(--accent));transition:width .05s linear}
.lab-pixel-sound-lab .tip{font-size:13px;color:var(--muted)}
@media (max-width:480px){.lab-pixel-sound-lab .code{font-size:12px;padding:10px 12px}
}
.lab-pixel-sound-lab .outro ul{margin:0;padding-inline-start:1.2em;display:grid;gap:8px;max-width:64ch}
.lab-pixel-sound-lab .outro li::marker{color:var(--accent)}
.lab-pixel-sound-lab .outro .closing{color:var(--ink-2);max-width:64ch}
.lab-pixel-sound-lab .faq{display:grid;gap:22px;max-width:72ch}
.lab-pixel-sound-lab .faq h3{font-size:18px;font-weight:600;line-height:1.5;margin:0 0 4px}
.lab-pixel-sound-lab .faq p{color:var(--ink-2)}
@media (prefers-reduced-motion: reduce){.lab-pixel-sound-lab .swatch,.lab-pixel-sound-lab .progress div,.lab-pixel-sound-lab .btn,.lab-pixel-sound-lab .chip{transition:none}
}