:root{
  --bg:#EDE3CC; --panel:#F6EFDD; --ink:#1B2A4A; --muted:#5E6679; --line:#D3C4A2;
  --accent:#9B1F24; --gold:#B8872C; --scene:#E4D7BA; --btn:#1B2A4A; --btnInk:#F6EFDD;
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px);
  padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#0F172A; --panel:#141F38; --ink:#EDE3CC; --muted:#9AA3B8; --line:#2A3858;
    --accent:#D2484D; --gold:#D9A94A; --scene:#131D35; --btn:#EDE3CC; --btnInk:#141F38;
  }
}
:root[data-theme="dark"]{
  --bg:#0F172A; --panel:#141F38; --ink:#EDE3CC; --muted:#9AA3B8; --line:#2A3858;
  --accent:#D2484D; --gold:#D9A94A; --scene:#131D35; --btn:#EDE3CC; --btnInk:#141F38;
}
*,*::before,*::after{box-sizing:inherit}
html{height:100%;scroll-padding-top:env(safe-area-inset-top,0px)}
body{margin:0;height:100%;background:var(--bg);color:var(--ink);
  font-family:Vazirmatn,"Segoe UI",system-ui,sans-serif;font-size:16px;line-height:1.5}
.app{display:grid;grid-template-columns:minmax(0,1fr) 370px;height:100%}
#stage{position:relative;min-height:0;min-width:0;background:var(--scene)}
#c{display:block;width:100%;height:100%;touch-action:none;cursor:grab}
#c:active{cursor:grabbing}
.hint{position:absolute;left:16px;bottom:14px;font-size:13px;color:var(--muted);
  display:flex;gap:12px;align-items:center;pointer-events:none}
.hint button{pointer-events:auto}
aside{background:var(--panel);border-left:1px solid var(--line);overflow:auto;padding:30px 28px 28px}
h1{font-weight:800;font-size:34px;line-height:1.05;margin:0 0 8px;letter-spacing:-0.01em}
.lede{margin:0 0 22px;color:var(--muted);max-width:32ch}
ol{list-style:none;margin:0 0 22px;padding:0;display:grid;gap:2px}
ol button{all:unset;box-sizing:border-box;display:grid;grid-template-columns:28px 1fr;gap:8px;
  width:100%;padding:8px 10px;border-radius:6px;cursor:pointer;position:relative;overflow:hidden;color:var(--muted)}
ol button .n{font-weight:600;color:var(--gold)}
ol button:hover{background:color-mix(in srgb,var(--ink) 6%,transparent)}
ol button[aria-current="step"]{color:var(--ink);font-weight:600;background:color-mix(in srgb,var(--accent) 10%,transparent)}
ol button .bar{position:absolute;left:0;bottom:0;height:2px;background:var(--accent);width:0}
ol button:focus-visible,.ctl button:focus-visible,.hint button:focus-visible,input:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.detail{border-top:1px solid var(--line);padding-top:18px;min-height:170px}
.detail h2{font-size:22px;font-weight:600;margin:0 0 6px;color:var(--accent)}
.detail p{margin:0;max-width:38ch}
.ctl{display:flex;gap:8px;align-items:center;margin:20px 0 10px;flex-wrap:wrap}
.ctl button,.hint button{font:inherit;font-size:14px;border:1px solid var(--line);background:transparent;color:var(--ink);
  padding:7px 12px;border-radius:6px;cursor:pointer}
.ctl button.primary{background:var(--btn);color:var(--btnInk);border-color:var(--btn);min-width:84px}
.speed{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);margin-bottom:18px}
.speed input{accent-color:var(--accent);flex:1}
.stats{display:grid;grid-template-columns:auto 1fr;gap:4px 14px;margin:0 0 18px;font-size:15px}
.stats dt{color:var(--muted)} .stats dd{margin:0;font-weight:600;font-variant-numeric:tabular-nums}
.yarns{display:flex;flex-wrap:wrap;gap:10px 14px;font-size:13px;color:var(--muted);margin-bottom:16px}
.yarns span{display:inline-flex;align-items:center;gap:6px}
.yarns i{width:14px;height:14px;border-radius:3px;display:inline-block;border:1px solid color-mix(in srgb,var(--ink) 20%,transparent)}
.note{font-size:13px;color:var(--muted);margin:0;max-width:40ch}
@media (max-width:820px){
  .app{grid-template-columns:1fr;grid-template-rows:56% 1fr}
  aside{border-left:0;border-top:1px solid var(--line);padding:20px}
  h1{font-size:26px}
  .detail{min-height:0}
}
@media (prefers-reduced-motion:reduce){ol button .bar{transition:none}}