@font-face{font-family:Inter;font-style:normal;font-weight:400 700;font-display:swap;src:url(/fonts/Inter-latin-var.woff2) format("woff2")}
:root{--ink:#111;--body:#2b2b2b;--mute:#6b6b6b;--rule:#e4e4e4;--accent:#1f3fbf;--label:9rem}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:#fff;color:var(--body);font:400 1rem/1.6 Inter,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;font-feature-settings:"cv11","ss01";-webkit-font-smoothing:antialiased}
a{color:var(--ink);text-decoration:underline;text-decoration-color:#c4c4c4;text-decoration-thickness:1px;text-underline-offset:.2em}
a:hover{color:var(--accent);text-decoration-color:currentColor}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.skip{position:absolute;left:-9999px}.skip:focus{left:1rem;top:1rem;background:#fff;padding:.25rem .5rem}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.page{max-width:72rem;margin:0 auto;padding:4rem 2.5rem 4rem}
.top{padding-bottom:2.5rem;max-width:44rem}
.home{margin:0 0 2.5rem;font-size:.9375rem;font-weight:600}
.home a{text-decoration:none;color:var(--ink)}
.home a:hover{color:var(--accent)}
h1{margin:0;color:var(--ink);font-weight:650;font-size:2.75rem;line-height:1.08;letter-spacing:-.03em}
.lead{margin:1rem 0 0;font-size:1.0625rem;line-height:1.65;text-wrap:pretty}
.privacy{margin:.75rem 0 0;font-size:.9375rem;color:var(--mute)}
section{border-top:1px solid var(--rule);padding:1.75rem 0 2.25rem}
h2{margin:0 0 1.1rem;font-size:.75rem;font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--ink)}
.tool{display:grid;grid-template-columns:minmax(0,22rem) minmax(0,1fr);column-gap:4rem;align-items:start}
.controls section+section{margin-top:0}
.crop{position:relative;width:100%;aspect-ratio:1;background:#f6f6f6;cursor:grab;touch-action:none;user-select:none;-webkit-user-select:none}
.crop.dragging{cursor:grabbing}
.crop.over{outline:2px solid var(--accent);outline-offset:-2px}
.crop-empty[hidden]{display:none}
.crop canvas{display:block;width:100%;height:100%}
.crop-empty{position:absolute;inset:0;margin:0;display:flex;align-items:center;justify-content:center;font-size:.9375rem;color:var(--mute);pointer-events:none}
.row{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1rem}
.btn{appearance:none;display:inline-flex;align-items:center;justify-content:center;min-height:2.5rem;padding:.5rem 1rem;border:1px solid #cfcfcf;border-radius:3px;background:#fff;color:var(--ink);font-family:inherit;font-size:.9375rem;font-weight:500;line-height:1.2;cursor:pointer;text-decoration:none}
.btn:hover:not(:disabled){border-color:var(--ink)}
.btn:disabled{color:#a8a8a8;border-color:#e4e4e4;cursor:default}
.btn.primary{background:var(--ink);border-color:var(--ink);color:#fff;width:100%;margin-top:.5rem}
.btn.primary:hover:not(:disabled){background:#000}
.btn.primary:disabled{background:#e9e9e9;border-color:#e9e9e9;color:#9a9a9a}
.field{margin-top:1.1rem}
.field label{display:flex;justify-content:space-between;align-items:baseline;font-size:.9375rem;font-weight:600;color:var(--ink)}
.field output{font-weight:400;color:var(--body);font-variant-numeric:tabular-nums}
input[type=range]{width:100%;margin:.5rem 0 0;accent-color:var(--ink);height:1.5rem}
select{display:block;width:100%;margin-top:.35rem;min-height:2.5rem;padding:.4rem .6rem;border:1px solid #cfcfcf;border-radius:3px;background:#fff;color:var(--ink);font-family:inherit;font-size:.9375rem;line-height:1.2}
.hint{margin:.35rem 0 0;font-size:.8125rem;line-height:1.5;color:var(--mute)}
.credit{margin-top:.6rem}
.result .stage{width:100%;aspect-ratio:1;max-width:44rem}
.result canvas{display:block;width:100%;height:100%;background:#fff}
.status{margin:1rem 0 0;font-size:.9375rem;font-variant-numeric:tabular-nums;color:var(--body);max-width:44rem}
.bar{height:2px;background:var(--rule);margin-top:.6rem;max-width:44rem}
.bar span{display:block;height:100%;width:0;background:var(--accent);transition:width .1s linear}
.guide-opts,section[aria-labelledby=h-how]{display:grid;grid-template-columns:var(--label) minmax(0,1fr);column-gap:3rem}
.guide-opts h2,section[aria-labelledby=h-how] h2{margin-top:.2rem}
.text{max-width:40rem}
.text p,p.text{margin:0 0 .8rem;font-size:.9375rem;line-height:1.65}
.opts{display:grid;grid-template-columns:repeat(3,minmax(0,12rem));gap:0 1.25rem;margin-bottom:1.25rem}
.opts .field{margin-top:0}
.guide{display:none}
@media (max-width:860px){
 .page{padding:2.5rem 1.375rem 3rem}
 h1{font-size:2.25rem}
 .home{margin-bottom:1.75rem}
 .tool{grid-template-columns:1fr}
 .result{order:0}
 .guide-opts,section[aria-labelledby=h-how]{grid-template-columns:1fr}
 .opts{grid-template-columns:1fr;gap:1rem}
 .controls{max-width:28rem}
}

/* ---------- build guide (print only) ---------- */
@media print{
 .app{display:none!important}
 .guide{display:block;color:#000;font:400 9pt/1.4 Inter,system-ui,sans-serif}
 .gpage{break-after:page;page-break-after:always;position:relative}
 .gpage:last-child{break-after:auto;page-break-after:auto}
 .ghead h1{font-size:20pt;margin:0 0 3mm}
 .ghead dl{display:grid;grid-template-columns:auto 1fr;gap:1mm 6mm;margin:0 0 5mm;font-size:9.5pt}
 .ghead dt{font-weight:600}.ghead dd{margin:0}
 .ghead ol{margin:0 0 4mm;padding-left:5mm;font-size:9.5pt}
 .ghead li{margin:0 0 1.2mm}
 .tile svg{display:block}
 .scale{display:block;margin-top:2mm}
 .tlabel{font-size:8pt;margin:0 0 2mm;font-weight:600}
 .seq h2{font-size:12pt;letter-spacing:0;text-transform:none;margin:0 0 3mm}
 .cols{column-gap:6mm;column-rule:0.2mm solid #ddd;font-size:8pt;line-height:1.32;font-variant-numeric:tabular-nums}
 .cols div{display:flex;gap:2.5mm;break-inside:avoid}
 .cols .s{color:#777;min-width:9mm;text-align:right}
 .cols .n{font-weight:600}
 .cols .hund{border-top:0.3mm solid #000;margin-top:1mm;padding-top:.6mm}
}