:root{
  --bg:#2A1E14;
  --ink:#EEF7F2;
  --muted:#D9BFA0;
  --felt:#1E7A55;
  --felt-d:#14583D;
  --gold:#FFD166;
  --paper:#fff;
  --paper-ink:#16302A;
  --paper-muted:#5E7A6E;
  --font:"Rubik", "Segoe UI", system-ui, sans-serif;
  color-scheme:dark;
}
*{box-sizing:border-box}
html,body{background:var(--bg)}
body{margin:0;color:var(--ink);font:16px/1.35 var(--font);padding-inline:10px;padding-block:6px 10px;-webkit-tap-highlight-color:transparent;
  background:radial-gradient(110% 70% at 50% 30%,#4A3524 0%,#1A110A 80%) fixed,var(--bg)}
.app{max-width:760px;margin-inline:auto;min-height:calc(100dvh - 16px);display:grid;grid-template-rows:auto auto 1fr auto;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)}
.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:rgba(255,255,255,.1);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:#E6F2EA;color:var(--paper-ink);font-weight:800;padding:10px 18px;box-shadow:0 4px 0 rgba(0,0,0,.25)}
.btn:active{translate:0 3px;box-shadow:0 1px 0 rgba(0,0,0,.25)}
.btn.small{padding:8px 12px;font-size:14px}
.btn.primary{background:var(--gold);color:#3D2B00;box-shadow:0 4px 0 #B8902A}
.btn.big{font-size:1.15rem;padding:12px 26px;width:100%}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px}

.score{display:flex;justify-content:center;gap:10px;flex-wrap:wrap}
.side{display:flex;align-items:center;gap:8px;background:rgba(0,0,0,.3);border-radius:999px;padding:5px 14px 5px 6px;font-weight:700;border:3px solid transparent}
.side.cur{border-color:var(--gold)}
.side .disc{width:26px;height:26px}
.side b{font-size:1.3rem;color:var(--gold);font-variant-numeric:tabular-nums}
.board-wrap{display:grid;place-items:center;min-height:0}
.hintline{margin:0;text-align:center;color:var(--muted);font-weight:600;min-height:1.4em}
.row{display:flex;gap:10px;justify-content:center}

.overlay{position:fixed;inset:0;z-index:20;display:grid;place-items:center;padding:16px;background:rgba(5,15,10,.8);overflow-y:auto}
.overlay[hidden]{display:none}
.sheet{width:100%;max-width:460px;background:var(--paper);color:var(--paper-ink);border-radius:22px;padding:18px 20px;display:grid;gap:10px;box-shadow:0 20px 50px rgba(0,0,0,.5)}
.sheet.center{text-align:center;justify-items:center}
.sheet h2{margin:0;font-size:1.5rem}
.help{margin:0;font-size:13.5px;color:var(--paper-muted);line-height:1.55}
.help b{color:var(--paper-ink)}
.trophy{font-size:54px;line-height:1}
.end-title{margin:0;font-weight:800;font-size:1.5rem}
.lead{margin:0;color:var(--paper-muted);font-weight:700}
fieldset{border:0;margin:0;padding:0;display:grid;gap:6px;min-width:0}
fieldset[hidden],.seg[hidden]{display:none}
legend{font-size:12.5px;font-weight:800;letter-spacing:.07em;text-transform:uppercase;color:var(--paper-muted);margin-bottom:3px;padding:0;display:flex;align-items:center;gap:6px}
.seg{display:flex;border:3px solid rgba(22,48,42,.12);border-radius:12px;overflow:hidden}
.seg label{position:relative;cursor:pointer;flex:1;min-width:0}
.seg input{position:absolute;opacity:0;pointer-events:none}
.seg span{display:block;padding:8px 6px;font-size:14px;font-weight:700;color:var(--paper-muted);text-align:center}
.seg label + label span{border-left:2px solid rgba(22,48,42,.1)}
.seg input:checked + span{background:var(--paper-ink);color:#fff}
.seg input:focus-visible + span{outline:3px solid #3D8BFD;outline-offset:-3px}
.names input[type=text]{width:100%;font:700 1rem var(--font);color:var(--paper-ink);padding:8px 10px;border-radius:11px;border:3px solid rgba(22,48,42,.12);background:#EFF6F1}
.toggle{display:flex;align-items:center;gap:6px;font-weight:600;font-size:14px}
.toggle input{width:20px;height:20px;accent-color:var(--paper-ink)}
.mini{width:18px;height:18px;border-radius:50%;display:inline-block}
.mini.b{background:#15151B}.mini.w{background:#fff;box-shadow:inset 0 0 0 2px #ccc}
@media (max-width:560px){ .back-tx{display:none} .back{font-size:20px} .side{font-size:14px} }
.board{width:min(calc(100vw - 24px),calc(100dvh - 200px),640px);height:auto;aspect-ratio:1;display:block;background:#E9C891;border-radius:18px;box-shadow:0 12px 30px rgba(0,0,0,.45),inset 0 0 0 6px #B98A4E;touch-action:manipulation}
.board .ln{stroke:#6B4423;stroke-width:8;stroke-linecap:round;fill:none}
.board .pt{fill:#6B4423}
.board .hit{fill:transparent;cursor:default}
.board .hit.can{cursor:pointer}
.board .dot{fill:rgba(255,255,255,.75);pointer-events:none}
.board .best{fill:#FFD166;stroke:#fff;stroke-width:4;pointer-events:none;animation:pulse 1s ease-in-out infinite;transform-box:fill-box;transform-origin:center}
@keyframes pulse{50%{scale:1.35}}
.board .pc{pointer-events:none;transition:cx .3s,cy .3s}
.board .sel{fill:none;stroke:#fff;stroke-width:6;pointer-events:none}
.board .rem{fill:none;stroke:#E5484D;stroke-width:6;stroke-dasharray:10 7;pointer-events:none;animation:spin 3s linear infinite;transform-box:fill-box;transform-origin:center}
@keyframes spin{to{rotate:360deg}}
.board .mill{stroke:#FFD166;stroke-width:16;stroke-linecap:round;opacity:.85;pointer-events:none;animation:millf 1.4s ease-out forwards}
@keyframes millf{0%{opacity:0}20%{opacity:.95}100%{opacity:0}}
.board .lastm{fill:none;stroke:rgba(255,255,255,.6);stroke-width:3;pointer-events:none}
.disc{width:26px;height:26px;border-radius:50%;display:inline-block}
.disc.a,.mini.a{background:radial-gradient(circle at 35% 30%,#FFD9A0,#F08A24 70%)}
.disc.z,.mini.z{background:radial-gradient(circle at 35% 30%,#BFE6FF,#2A7FD4 70%)}
.hand{display:flex;gap:2px}
.hand i{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.55)}
.side b{min-width:1.2em;text-align:center}