:root{
  --wood:#2B2016;
  --wood-2:#3C2D1F;
  --light:#E8D5B5;
  --dark:#A9814F;
  --ink:#F6EFE4;
  --muted:#C0A98D;
  --white:#F5F1E8;
  --black:#2F2F38;
  --gold:#F5C542;
  --red:#E5484D;
  --paper:#FFFFFF;
  --paper-ink:#2B2016;
  --paper-muted:#7A6652;
  --font:"Rubik", "Segoe UI", system-ui, sans-serif;
  color-scheme:dark;
}
*{box-sizing:border-box}
html,body{background:var(--wood)}
body{margin:0;color:var(--ink);font:16px/1.35 var(--font);padding-inline:10px;padding-block:8px 10px;-webkit-tap-highlight-color:transparent;overscroll-behavior:none}
.app{max-width:560px;margin-inline:auto;width:100%;min-height:calc(100dvh - 18px);display:grid;grid-template-rows:auto auto 1fr auto;grid-template-columns:minmax(0,1fr);gap:8px}

.bar{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:44px}
.back{color:var(--muted);text-decoration:none;font-weight:600;font-size:15px;white-space:nowrap}
.back:hover{color:var(--ink)}
.title{margin:0;font-weight:800;font-size:clamp(1.3rem,4vw,1.9rem);white-space:nowrap}
.title span{color:var(--gold)}
.bar-actions{display:flex;gap:8px;align-items:center}
.icon-btn{width:42px;height:42px;border-radius:12px;border:0;background:var(--wood-2);color:var(--ink);display:grid;place-items:center;cursor:pointer;padding:0}
.icon-btn span{display:grid;place-items:center}
.icon-btn span[hidden]{display:none}
.icon-btn svg{width:22px;height:22px}
button{font:inherit;cursor:pointer}
.btn{border:0;border-radius:12px;background:var(--wood-2);color:var(--ink);font-weight:700;padding:10px 18px;box-shadow:0 4px 0 rgba(0,0,0,.4)}
.btn:active{translate:0 3px;box-shadow:0 1px 0 rgba(0,0,0,.4)}
.btn.small{padding:8px 14px;font-size:15px}
.btn.primary{background:var(--gold);color:#4A3600;box-shadow:0 4px 0 #B88E17}
.btn.light{background:#E7DCCB;color:var(--paper-ink);box-shadow:0 4px 0 #BFAE98}
.btn.big{font-size:1.1rem;padding:12px 26px;width:100%}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px}

.score{display:flex;justify-content:center;align-items:center;gap:10px;flex-wrap:wrap;min-height:36px}
.sc{display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.08);border-radius:999px;padding:4px 14px;font-weight:700;font-size:14px;border:2px solid transparent}
.sc i{width:16px;height:16px;border-radius:50%;display:inline-block}
.sc b{font-variant-numeric:tabular-nums}
.sc.on{border-color:var(--gold);background:rgba(245,197,66,.16)}

.board-wrap{display:grid;place-items:center;min-height:0;min-width:0}
.board{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));width:min(100%,min(72vh,520px));aspect-ratio:1;
  border:5px solid var(--wood-2);border-radius:10px;overflow:hidden;box-shadow:0 10px 0 rgba(0,0,0,.35)}
.sq{position:relative;aspect-ratio:1;border:0;padding:0;display:grid;place-items:center;cursor:default;min-width:0;background:var(--light)}
.sq.d{background:var(--dark)}
.pc{width:78%;aspect-ratio:1;border-radius:50%;display:grid;place-items:center;box-shadow:0 3px 0 rgba(0,0,0,.35),inset 0 2px 0 rgba(255,255,255,.35);
  transition:translate .14s ease-out}
.pc.w{background:radial-gradient(circle at 40% 32%,#FFFFFF,var(--white));border:2px solid #CFC6B4}
.pc.b{background:radial-gradient(circle at 40% 32%,#4A4A58,var(--black));border:2px solid #1C1C24}
.pc .crown{font-size:clamp(.8rem,3.4vw,1.3rem);line-height:1}
.sq.live{cursor:pointer}
.sq.can .pc{box-shadow:0 0 0 3px var(--gold),0 3px 0 rgba(0,0,0,.35)}
.sq.sel .pc{box-shadow:0 0 0 4px var(--gold),0 0 16px rgba(245,197,66,.8),0 3px 0 rgba(0,0,0,.35)}
.sq.move::after,.sq.take::after{content:"";position:absolute;width:34%;aspect-ratio:1;border-radius:50%;background:rgba(40,200,120,.75);pointer-events:none}
.sq.take::after{background:rgba(229,72,77,.85);width:52%;border-radius:12px}
.sq.move,.sq.take{cursor:pointer}
.sq.last{box-shadow:inset 0 0 0 4px rgba(245,197,66,.55)}
.sq.gone .pc{animation:gone .3s forwards}
@keyframes gone{to{scale:.2;opacity:0}}

.hintline{margin:0;text-align:center;color:var(--muted);font-size:13px;font-weight:600;min-height:1.3em}

.overlay{position:fixed;inset:0;z-index:20;display:grid;place-items:center;padding:16px;background:rgba(20,14,8,.86);overflow-y:auto}
.overlay[hidden]{display:none}
.sheet{width:100%;max-width:520px;background:var(--paper);color:var(--paper-ink);border-radius:22px;padding:20px 22px;display:grid;gap:14px;box-shadow:0 20px 50px rgba(0,0,0,.5)}
.sheet.center{text-align:center;justify-items:center;max-width:400px}
h2{margin:0;text-align:center;font-weight:800;font-size:1.9rem}
.help{margin:0;font-size:13px;color:var(--paper-muted);line-height:1.55}
.help b{color:var(--paper-ink)}
fieldset{border:0;margin:0;padding:0;display:grid;gap:8px}
legend{display:flex;align-items:center;gap:7px;font-size:13px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--paper-muted);margin-bottom:4px;padding:0}
.dot{width:12px;height:12px;border-radius:50%;display:inline-block;border:1px solid rgba(0,0,0,.25)}
input[type="text"]{min-width:0;font:700 1.05rem var(--font);color:var(--paper-ink);padding:9px 12px;border-radius:12px;border:3px solid rgba(43,32,22,.12);background:#FAF7F2}
input[type="text"]:focus{border-color:#B88E17;outline:none}
input:disabled{opacity:.55}
.toggle{display:flex;align-items:center;gap:8px;font-weight:700;cursor:pointer;font-size:15px}
.toggle input{width:22px;height:22px;accent-color:var(--paper-ink);flex:none}
.seg{display:flex;border:3px solid rgba(43,32,22,.12);border-radius:12px;overflow:hidden}
.seg[hidden]{display:none}
.seg label{position:relative;cursor:pointer;flex:1}
.seg input{position:absolute;opacity:0;pointer-events:none}
.seg span{display:block;padding:7px 8px;font-size:14px;font-weight:700;color:var(--paper-muted);text-align:center}
.seg.wide span{font-size:1rem}
.seg label + label span{border-left:2px solid rgba(43,32,22,.1)}
.seg input:checked + span{background:var(--paper-ink);color:#fff}
.trophy{font-size:56px;line-height:1}
.end-title{margin:0;font-weight:800;font-size:1.6rem;text-wrap:balance}
.lead{margin:0;color:var(--paper-muted);font-weight:600}
.row{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}

@media (max-width:640px){
  .back-tx{display:none}
  .back{font-size:20px}
}
@media (prefers-reduced-motion:reduce){ .pc{transition:none} .sq.gone .pc{animation:none;opacity:0} }