:root{
  --paper:#F5F6F0; --outside:#E3E7DB; --grid:#C6D4E3; --ink:#1F2638; --muted:#687087;
  --panel:#FBFBF7; --line:#D6DBCF; --blue:#1F4FCB; --red:#C9302C; --green:#12824A; --pencil:#3A3D45;
  --chip:#ECEEE6; --focus:#1F4FCB; --shade:rgba(245,246,240,.72);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --paper:#151A23; --outside:#0D1117; --grid:#243043; --ink:#E5E9F1; --muted:#8E97AB;
    --panel:#1B212C; --line:#2C3545; --blue:#7B9CFF; --red:#FF6F6A; --green:#4FD08A; --pencil:#C9CED8;
    --chip:#232A36; --focus:#7B9CFF; --shade:rgba(13,17,23,.72);
  }
}
:root[data-theme="dark"]{
  --paper:#151A23; --outside:#0D1117; --grid:#243043; --ink:#E5E9F1; --muted:#8E97AB;
  --panel:#1B212C; --line:#2C3545; --blue:#7B9CFF; --red:#FF6F6A; --green:#4FD08A; --pencil:#C9CED8;
  --chip:#232A36; --focus:#7B9CFF; --shade:rgba(13,17,23,.72);
}
[hidden]{display:none!important}
html{height:100%;box-sizing:border-box}
*,*::before,*::after{box-sizing:inherit}
body{height:100%;background:var(--paper);color:var(--ink);font-family:"Atkinson Hyperlegible",system-ui,-apple-system,"Segoe UI",sans-serif;font-size:15px;overflow:hidden;-webkit-tap-highlight-color:transparent}
button{font:inherit;color:inherit;cursor:pointer}
button:focus-visible{outline:2px solid var(--focus);outline-offset:2px}
.hand{font-family:"Kalam","Comic Neue","Segoe Print",cursive}

#app{height:100%;display:grid;grid-template-rows:auto 1fr;position:relative}
.hud{display:flex;align-items:center;gap:12px;padding-block:8px;padding-inline:16px;background:var(--panel);border-bottom:1.5px solid var(--line);min-height:52px}
.turn{display:flex;align-items:center;gap:8px;min-width:0}
.turn .pen{width:14px;height:14px;border-radius:50%;background:var(--c,var(--blue));flex:none;box-shadow:0 0 0 3px color-mix(in srgb,var(--c,var(--blue)) 22%,transparent)}
.turn .who{font-family:"Kalam",cursive;font-weight:700;font-size:21px;line-height:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.stats{margin-left:auto;display:flex;gap:10px;font-variant-numeric:tabular-nums;font-size:13px;color:var(--muted);white-space:nowrap}
.stats b{color:var(--ink);font-weight:700}
.iconbtn{border:1.5px solid var(--line);background:var(--paper);border-radius:10px;height:36px;min-width:36px;padding:0 10px;display:inline-flex;align-items:center;justify-content:center;font-size:14px}
.stage{position:relative;overflow:hidden;min-height:0}
canvas#cv{position:absolute;inset:0;width:100%;height:100%;touch-action:none;display:block}
.tools{position:absolute;right:12px;bottom:calc(12px + env(safe-area-inset-bottom,0px));display:flex;flex-direction:column;gap:8px}
.tools .iconbtn{width:44px;height:44px;border-radius:12px;background:var(--panel);font-size:20px;box-shadow:0 2px 8px rgba(0,0,0,.08)}
.hint{position:absolute;left:12px;bottom:calc(12px + env(safe-area-inset-bottom,0px));max-width:calc(100% - 84px);background:var(--panel);border:1.5px solid var(--line);border-radius:12px;padding:8px 12px;font-size:13px;color:var(--muted);line-height:1.35}
.hint b{color:var(--ink)}
.toast{position:absolute;left:50%;top:12px;transform:translateX(-50%);background:var(--ink);color:var(--paper);padding:8px 14px;border-radius:999px;font-size:14px;font-weight:700;white-space:nowrap;max-width:calc(100% - 32px);overflow:hidden;text-overflow:ellipsis;transition:opacity .25s;pointer-events:none}

.overlay{position:fixed;inset:0;z-index:10;background:var(--shade);backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);display:flex;align-items:flex-start;justify-content:center;overflow-y:auto;padding-block:calc(16px + env(safe-area-inset-top,0px)) calc(16px + env(safe-area-inset-bottom,0px));padding-inline:16px}
.sheet{width:100%;max-width:460px;margin-block:auto;background-color:var(--panel);
  background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:22px 22px;background-position:-1px -1px;
  border:1.5px solid var(--line);border-radius:16px;padding:20px 18px;box-shadow:0 12px 40px rgba(0,0,0,.14);display:grid;gap:16px}
.sheet h1{font-family:"Kalam",cursive;font-weight:700;font-size:34px;line-height:1.05;margin:0;text-wrap:balance}
.sheet h1 span{color:var(--red)}
.sheet p.sub{margin:4px 0 0;color:var(--muted);line-height:1.4}
.block{background:var(--panel);border:1.5px solid var(--line);border-radius:12px;padding:12px;display:grid;gap:10px}
.label{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.tracks{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.trk{border:1.5px solid var(--line);background:var(--paper);border-radius:10px;padding:6px;display:grid;gap:4px;text-align:left}
.trk canvas{width:100%;aspect-ratio:16/10;display:block;max-width:100%}
.trk span{font-family:"Kalam",cursive;font-size:16px;line-height:1.1}
.trk small{color:var(--muted);font-size:11px}
.trk[aria-pressed="true"]{border-color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink)}
.prow{display:flex;align-items:center;gap:10px}
.prow .pen{width:14px;height:14px;border-radius:50%;background:var(--c);flex:none}
.prow .nm{font-family:"Kalam",cursive;font-size:19px;width:64px;flex:none}
.seg{display:flex;background:var(--chip);border-radius:10px;padding:3px;gap:3px;flex:1;min-width:0}
.seg button{flex:1;border:0;background:transparent;border-radius:8px;padding:7px 4px;font-size:13px;color:var(--muted);white-space:nowrap}
.seg button[aria-pressed="true"]{background:var(--panel);color:var(--ink);font-weight:700;box-shadow:0 1px 3px rgba(0,0,0,.12)}
.rules{font-size:13.5px;color:var(--muted);line-height:1.45;margin:0}
.rules b{color:var(--ink)}
.go{border:0;background:var(--ink);color:var(--paper);border-radius:12px;padding:14px;font-family:"Kalam",cursive;font-size:24px;font-weight:700;line-height:1}
.go:disabled{opacity:.4}
.row2{display:flex;gap:8px}
.row2>*{flex:1}
.ghost{border:1.5px solid var(--line);background:var(--paper);border-radius:12px;padding:12px;font-weight:700}
.podium{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.podium li{display:grid;grid-template-columns:28px 14px 1fr auto;gap:10px;align-items:center;padding:8px 10px;background:var(--paper);border:1.5px solid var(--line);border-radius:10px;font-variant-numeric:tabular-nums}
.podium .pos{font-family:"Kalam",cursive;font-weight:700;font-size:22px;text-align:center}
.podium .pen{width:14px;height:14px;border-radius:50%;background:var(--c)}
.podium .nm{font-family:"Kalam",cursive;font-size:19px}
.podium .val{font-size:13px;color:var(--muted)}
.record{font-size:14px;margin:0;color:var(--muted)}
.record b{color:var(--ink)}
@media (prefers-reduced-motion: reduce){ .toast{transition:none} }
@media (max-width:420px){ .stats .opt{display:none} .hud{gap:8px} }

/* ---------- online ---------- */
.net{width:10px;height:10px;border-radius:50%;background:var(--muted);flex:none}
.net[data-on="1"]{background:var(--green)}
.field{display:grid;gap:6px}
.field input{font:inherit;font-size:17px;color:var(--ink);background:var(--paper);border:1.5px solid var(--line);border-radius:10px;padding:10px 12px;width:100%;min-height:44px}
.field input:focus-visible{outline:2px solid var(--focus);outline-offset:1px}
.field input.code{font-family:"Kalam",cursive;font-weight:700;font-size:26px;letter-spacing:.18em;text-transform:uppercase;text-align:center}
.bigcode{font-family:"Kalam",cursive;font-weight:700;font-size:44px;letter-spacing:.14em;text-align:center;line-height:1;margin:0;user-select:all}
.seats{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.seats li{display:grid;grid-template-columns:14px 1fr auto;gap:10px;align-items:center;padding:8px 10px;background:var(--paper);border:1.5px solid var(--line);border-radius:10px}
.seats .pen{width:14px;height:14px;border-radius:50%;background:var(--c)}
.seats .nm{font-family:"Kalam",cursive;font-size:19px;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.seats .st{font-size:13px;color:var(--muted)}
.err{color:var(--red);font-weight:700;margin:0;font-size:14px}
.note{font-size:13px;color:var(--muted);margin:0;line-height:1.4}