:root{
  --bg:#EEF1F5; --surface:#FFFFFF; --ink:#18243D; --muted:#4F5C72; --line:#D3DAE3;
  --accent:#C93422; --on-accent:#FFFFFF; --silver:#AEB8C5; --stage:#DCE2EA; --butter:#FFD36B;
  --good:#1B7F52; --warn:#9A5A0A; --bad:#B3261E; --chip:#E4E9F0;
  --display:"Fredoka","Segoe UI",system-ui,sans-serif;
  --body:"Figtree","Segoe UI",system-ui,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0E151D; --surface:#17212C; --ink:#E8EDF3; --muted:#9AA8BA; --line:#2A3746;
    --accent:#FF6B57; --on-accent:#1A0A0E; --silver:#6F7D8F; --stage:#223040;
    --good:#4CC38A; --warn:#E3A040; --bad:#FF8A80; --chip:#202C39; color-scheme:dark;
  }
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0; background:var(--bg); color:var(--ink); font:400 16px/1.5 var(--body);
  padding-block:0 40px; padding-left:max(16px,env(safe-area-inset-left,0px)); padding-right:max(16px,env(safe-area-inset-right,0px));
}
[hidden]{display:none!important}
img{max-width:100%}
code{font-family:var(--mono);background:var(--chip);padding:1px 6px;border-radius:4px;font-size:.92em}
.shell{max-width:560px;margin:0 auto;display:flex;flex-direction:column;gap:20px}
.shell.wide{max-width:1040px}
button,input,select{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
h1,h2,h3{font-family:var(--display);line-height:1.1;margin:0;text-wrap:balance}
h1{font-size:clamp(28px,7vw,40px);font-weight:600}
h2{font-size:22px;font-weight:600}
p{margin:0}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.muted{color:var(--muted)}

header.top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-block:14px;border-bottom:1px solid var(--line);padding-top:max(14px,env(safe-area-inset-top,0px))}
.brand{display:flex;align-items:center;text-decoration:none;color:var(--ink)}
.brand img{display:block;height:34px;width:auto}
.btn{appearance:none;display:inline-flex;align-items:center;justify-content:center;text-decoration:none;border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:10px 14px;min-height:44px;cursor:pointer;font-weight:500;color:var(--ink)}
.btn:hover{border-color:var(--muted)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--on-accent);font-weight:600}
.btn.primary:hover{filter:brightness(1.06)}
.btn.small{min-height:36px;padding:6px 10px;font-size:14px}
.btn.danger{color:var(--bad)}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.link{background:none;border:0;padding:6px 0;color:var(--muted);cursor:pointer;text-decoration:underline;text-underline-offset:3px;min-height:36px}

.hero{display:flex;flex-direction:column;gap:18px;padding-top:28px}
.hero p{color:var(--muted);max-width:46ch;font-size:18px}
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;padding:0;margin:8px 0 0;list-style:none}
.steps li{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:14px;font-size:15px;display:flex;flex-direction:column;gap:6px}
.steps b{font:600 17px var(--display)}
@media (max-width:480px){.steps{grid-template-columns:1fr}}

.intro{display:flex;flex-direction:column;gap:10px;padding-top:8px}
.intro p{color:var(--muted);max-width:46ch}
.sizes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
@media (min-width:520px){.sizes{grid-template-columns:repeat(3,minmax(0,1fr))}}
.size{appearance:none;cursor:pointer;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:16px 12px 14px;display:flex;flex-direction:column;align-items:center;gap:12px;text-align:center}
.size:hover{border-color:var(--accent)}
.size .shape{width:76px;height:76px;display:flex;align-items:center;justify-content:center}
.size .shape i{display:block;background:var(--stage);border:2px solid var(--ink);border-radius:2px}
.size b{font:500 15px var(--mono)}
.size span{font-size:13px;color:var(--muted)}
.note{font-size:13px;color:var(--muted)}

.crop{display:flex;flex-direction:column;gap:14px}
.crop .head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap}
.crop .head h2{font-family:var(--mono);font-weight:500;font-size:22px}
.stagewrap{display:grid;grid-template-columns:24px auto;grid-template-rows:20px auto;justify-content:center;gap:0}
.stagewrap canvas{display:block}
.stagebox{position:relative}
.stagebox canvas{touch-action:none;border-radius:2px;cursor:grab}
.pick{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:none;border:0;cursor:pointer;color:var(--ink);font:600 16px var(--body)}
.pick span{background:var(--surface);border:1px solid var(--line);padding:10px 16px;border-radius:8px}
.tools{display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.zoom{display:flex;align-items:center;gap:10px;flex:1 1 200px;min-width:0}
.zoom input{flex:1;min-width:0;accent-color:var(--accent);height:32px}
.chip{display:inline-flex;align-items:center;gap:6px;background:var(--chip);border-radius:6px;padding:3px 8px;font:500 13px var(--mono)}
.chip.good{color:var(--good)} .chip.ok{color:var(--warn)} .chip.bad{color:var(--bad)}
.form{display:grid;grid-template-columns:minmax(0,1fr) 96px;gap:12px;align-items:end}
.field{display:flex;flex-direction:column;gap:4px;min-width:0}
.field label{font-size:13px;color:var(--muted);font-weight:500}
.field input,.field select{border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:10px 12px;min-height:44px;width:100%}
.status{min-height:1.5em;font-size:14px}
.status.err{color:var(--bad)}
.done{display:flex;flex-direction:column;gap:14px;align-items:flex-start;padding-top:12px}
.done p{color:var(--muted);max-width:44ch}
.fine{font-size:13px;color:var(--muted);padding-block:8px 4px}

nav.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);overflow-x:auto}
nav.tabs button{background:none;border:0;border-bottom:3px solid transparent;padding:12px 14px;min-height:44px;cursor:pointer;font-weight:500;color:var(--muted);white-space:nowrap}
nav.tabs button[aria-selected="true"]{color:var(--ink);border-bottom-color:var(--accent)}
.badge{background:var(--accent);color:var(--on-accent);border-radius:99px;font:600 12px var(--mono);padding:1px 7px;margin-left:6px}
.bar{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.seg button{background:var(--surface);border:0;padding:8px 12px;min-height:40px;cursor:pointer;color:var(--muted)}
.seg button[aria-pressed="true"]{background:var(--ink);color:var(--bg)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:14px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:10px;display:flex;flex-direction:column;gap:10px;min-width:0}
.card.printed{opacity:.62}
.thumb{position:relative;width:100%;max-height:300px;background:var(--stage);border-radius:4px;overflow:hidden;display:flex;justify-content:center}
.thumb img{display:block;width:100%;height:100%;object-fit:cover}
.thumb .trim{position:absolute;border:1px dashed #fff;box-shadow:0 0 0 1px rgba(0,0,0,.45);pointer-events:none}
.meta{display:flex;flex-direction:column;gap:2px;min-width:0}
.meta .row{display:flex;justify-content:space-between;gap:8px;align-items:baseline}
.meta .nm{overflow-wrap:anywhere;font-weight:500}
.acts{display:flex;flex-wrap:wrap;gap:6px}
.empty{border:1px dashed var(--line);border-radius:10px;padding:28px 18px;color:var(--muted);text-align:center}
.panel{display:flex;flex-direction:column;gap:16px}
.sheets{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px}
.sheets canvas{width:100%;height:auto;border:1px solid var(--line);background:#fff;display:block}
.cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}
.sizerow{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr) auto;gap:8px;align-items:end}
.sizerow .x{padding-bottom:12px;color:var(--muted)}