/* ===== شطرنج چینی — استایل ===== */
:root{
  /* --- رنگ‌های برند Playva --- */
  --playva-orange:#fa4600;
  --playva-flame:#f86800;
  --playva-amber:#ffa320;
  --playva-silver:#eef1f5;
  --playva-grad:linear-gradient(135deg,var(--playva-amber),var(--playva-orange));

  /* --- پوسته: لاک سبز‌آبی تیره --- */
  --bg:#0d1418;
  --bg-deep:#030607;
  --glow:#1c3a3c;
  --glow2:#3d1a10;
  --panel:#18262a;
  --panel2:#0d171a;
  --line:#2b4146;
  --line-hi:#456a70;
  --txt:#f1f5f2;
  --muted:#a9bfbc;
  --ink:#1e0f06;

  --chrome-grad:linear-gradient(180deg,#1a292d,#0d171a);
  --card-grad:linear-gradient(180deg,#1d2e33,#0a1214);
  --shade:rgba(3,6,7,.9);
  --shade-soft:rgba(24,38,42,.55);
  --toast-bg:rgba(24,38,42,.96);

  /* --- صفحه: چوب گردو با خط مرکب --- */
  --wood1:#e9c98e;
  --wood2:#cf9f5c;
  --wood-edge:#5a3816;
  --grid:#4a2c10;
  --river:rgba(70,140,150,.28);
  --river-txt:rgba(60,34,10,.55);
  --coord:#f0dcb4;
  --mark:rgba(74,44,16,.7);
  --last:rgba(255,163,32,.55);
  --target:rgba(40,22,8,.5);
  --target-cap:rgba(250,70,0,.85);
  --sel:#ffa320;
  --hint:rgba(95,201,135,.75);
  --check:rgba(255,60,40,.85);

  /* --- مهره‌ها: دیسک عاج با مرکب سرخ و سیاه --- */
  --disc1:#fff6e2;
  --disc2:#e2c896;
  --disc-edge:#8a6a3c;
  --ink-red:#b8261b;
  --ink-black:#1d1d1f;
  --pc-shadow:rgba(0,0,0,.45);

  --good:#5fc987;
  --bad:#ff5b52;

  --btn-h:50px;
  --radius:16px;
  --radius-sm:11px;
  --gap:8px;
  --shadow:0 10px 30px rgba(0,0,0,.45);
  --ring:0 0 0 2px rgba(250,70,0,.55);
}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
[hidden]{display:none !important}
html,body{height:100%;overscroll-behavior:none}
body{
  margin:0;
  font-family:'Vazirmatn',Tahoma,'Segoe UI',system-ui,sans-serif;
  background:
    radial-gradient(1100px 640px at 50% -14%, var(--glow) 0%, transparent 62%),
    radial-gradient(700px 500px at 100% 110%, var(--glow2) 0%, transparent 60%),
    linear-gradient(180deg,var(--bg) 0%, var(--bg-deep) 100%);
  color:var(--txt);
  overscroll-behavior:none;
  touch-action:manipulation;
  user-select:none;
  -webkit-user-select:none;
}
.app{
  height:100dvh;
  display:flex;
  flex-direction:column;
  gap:var(--gap);
  padding:calc(env(safe-area-inset-top) + 8px) 10px calc(env(safe-area-inset-bottom) + 8px);
  max-width:680px;
  margin:0 auto;
  width:100%;
}

/* ---------- نوار بالا ---------- */
.topbar{
  display:flex;align-items:center;gap:10px;
  background:var(--chrome-grad);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:7px 11px;
  flex:0 0 auto;
  overflow:hidden;
}
.brand{display:flex;align-items:center;gap:7px;min-width:0;flex:1 1 auto}
.brand__mark{width:26px;height:26px;flex:0 0 auto;filter:drop-shadow(0 2px 6px rgba(250,70,0,.45))}
.pv-swoosh{fill:none;stroke:var(--playva-orange);stroke-width:3.2;stroke-linecap:round;opacity:.8}
.pv-swoosh--2{opacity:.5}
.brand__word{font-weight:800;font-size:.95rem;letter-spacing:.2px;color:var(--playva-silver);direction:ltr}
.brand__word em{font-style:normal;color:var(--playva-orange)}
.brand__sep{width:1px;height:18px;background:var(--line);flex:0 0 auto}
.brand__game{font-weight:800;font-size:.92rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

.icon-btn{
  flex:0 0 auto;
  width:34px;height:34px;
  display:grid;place-items:center;
  background:var(--panel2);color:var(--txt);
  border:1px solid var(--line);border-radius:11px;
  font-size:1rem;cursor:pointer;
  transition:.18s;
}
.icon-btn:hover{border-color:var(--playva-orange)}
.icon-btn:active{transform:scale(.94)}
.icon-btn.off{opacity:.45}
.icon-btn:focus-visible{outline:none;box-shadow:var(--ring)}

/* ---------- مهره‌های گرفته‌شده ---------- */
.hud{flex:0 0 auto;display:flex;align-items:center;gap:8px}
.hud.flip{flex-direction:row-reverse}
.chip{
  flex:1 1 0;
  display:flex;align-items:center;gap:6px;
  min-width:0;height:44px;
  background:var(--chrome-grad);
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  padding:4px 9px;
  transition:border-color .2s, box-shadow .2s;
}
.chip.hot{border-color:var(--playva-orange);box-shadow:0 0 14px rgba(250,70,0,.3)}
.chip__name{flex:0 0 auto;font-size:.8rem;font-weight:800;color:var(--muted)}
.chip.hot .chip__name{color:var(--txt)}
/* دیسک کوچک مهره در نوار و راهنما */
.dot{
  flex:0 0 auto;
  width:28px;height:28px;border-radius:50%;
  display:inline-grid;place-items:center;
  background:radial-gradient(circle at 40% 35%, var(--disc1), var(--disc2));
  border:1.5px solid var(--disc-edge);
  font-size:.5rem;font-weight:800;line-height:1;
  box-shadow:0 2px 4px var(--pc-shadow), inset 0 0 0 2px var(--disc1), inset 0 0 0 3px currentColor;
}
.dot.red{color:var(--ink-red)}
.dot.black{color:var(--ink-black)}
.dot.big{width:56px;height:56px;font-size:1rem;border-width:2px;box-shadow:0 6px 14px rgba(0,0,0,.5), inset 0 0 0 4px var(--disc1), inset 0 0 0 5.5px currentColor}
.caps{flex:1 1 auto;min-width:0;display:flex;flex-wrap:wrap;align-items:center;height:100%;overflow:hidden;align-content:center}
.caps .mini{width:17px;height:17px;font-size:.55rem;margin-inline-end:-3px;border-width:1px;box-shadow:0 1px 2px var(--pc-shadow)}
.adv{flex:0 0 auto;font-size:.82rem;color:var(--playva-amber);direction:ltr;unicode-bidi:isolate}

/* ---------- صحنه و صفحه ---------- */
.stage{position:relative;flex:1 1 auto;min-height:0;display:flex}
.board-wrap{flex:1 1 auto;min-height:0;min-width:0;display:flex}
.board{width:100%;height:100%;display:block;touch-action:manipulation;cursor:pointer}
.wood{fill:url(#gWood);stroke:var(--wood-edge);stroke-width:.06}
.gl{stroke:var(--grid);stroke-width:.035;fill:none;stroke-linecap:square}
.gl.outer{stroke-width:.07}
.river{fill:var(--river)}
.river-txt{
  font-family:'Vazirmatn',Tahoma,'Segoe UI',system-ui,sans-serif;
  font-size:.42px;font-weight:800;fill:var(--river-txt);
  text-anchor:middle;dominant-baseline:central;
}
.mk{stroke:var(--mark);stroke-width:.03;fill:none}
.coord{
  font-family:'Vazirmatn',Tahoma,'Segoe UI',system-ui,sans-serif;
  font-size:.3px;font-weight:800;fill:var(--coord);
  text-anchor:middle;dominant-baseline:central;opacity:.8;
}
.lastmk{fill:none;stroke:var(--last);stroke-width:.07}
.selmk{fill:none;stroke:var(--sel);stroke-width:.09}
.hintmk{fill:var(--hint)}
.tg{fill:var(--target)}
.tg.cap{fill:none;stroke:var(--target-cap);stroke-width:.08}
.chk{fill:var(--check);filter:blur(.08px)}

.xp{transition:transform .24s cubic-bezier(.3,.8,.3,1)}
.xp .disc{fill:url(#gDisc);stroke:var(--disc-edge);stroke-width:.04}
.xp .ring{fill:none;stroke-width:.035}
.xp.red .ring{stroke:var(--ink-red)}
.xp.black .ring{stroke:var(--ink-black)}
.xp text{
  font-family:'Vazirmatn',Tahoma,'Segoe UI',system-ui,sans-serif;
  font-weight:800;text-anchor:middle;dominant-baseline:central;
}
.xp.red text{fill:var(--ink-red)}
.xp.black text{fill:var(--ink-black)}
.xp .shadow{fill:var(--pc-shadow)}
.xp.moving{transition:none}

.status{
  flex:0 0 auto;margin:0;
  min-height:1.6em;
  text-align:center;
  color:var(--muted);font-size:.84rem;font-weight:600;
}

/* ---------- دکمه‌های زیر صحنه ---------- */
.dock{flex:0 0 auto;display:flex;gap:8px}
.tool{
  flex:1 1 0;min-width:0;
  height:var(--btn-h);
  display:flex;align-items:center;justify-content:center;gap:7px;
  background:var(--chrome-grad);color:var(--txt);
  border:1px solid var(--line);border-radius:var(--radius);
  font-family:inherit;font-size:.92rem;font-weight:800;
  cursor:pointer;
  transition:border-color .15s, opacity .15s, transform .1s;
}
.tool__big{font-size:1.2rem;line-height:1}
.tool:active{transform:scale(.97)}
.tool:disabled{opacity:.35;cursor:default;transform:none}
.tool:focus-visible{outline:none;box-shadow:var(--ring)}

/* ---------- صفحه‌های روی دار ---------- */
.screen{
  position:absolute;inset:0;
  display:flex;
  padding:16px;
  background:radial-gradient(600px 400px at 50% 40%, var(--shade-soft), var(--shade));
  z-index:6;
  overflow:auto;
  touch-action:pan-y;
  border-radius:var(--radius);
}
.card{
  margin:auto;
  width:min(100%,370px);
  background:var(--card-grad);
  border:1px solid var(--line);
  border-radius:20px;
  padding:20px 18px;
  text-align:center;
  box-shadow:var(--shadow);
  animation:pop .28s cubic-bezier(.2,1.2,.4,1) both;
}
@keyframes pop{from{opacity:0;transform:translateY(14px) scale(.96)}to{opacity:1;transform:none}}
.card__emoji{font-size:2.3rem;line-height:1;margin-bottom:6px;filter:drop-shadow(0 6px 14px rgba(0,0,0,.5))}
.card__discs{display:flex;justify-content:center;gap:10px;margin:0 auto 8px}
.card h2{margin:0 0 6px;font-size:1.25rem}
.card p{margin:0 0 14px;color:var(--muted);font-size:.86rem;line-height:1.7}
.card .field{text-align:start}
.result{
  background:var(--panel2);border:1px solid var(--line);
  border-radius:var(--radius-sm);
  padding:8px 12px;margin-bottom:14px;
}
.result__row{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:5px 0;font-size:.84rem;
}
.result__row + .result__row{border-top:1px dashed var(--line)}
.result__row span{color:var(--muted);text-align:start}
.result__row b{color:var(--playva-amber);font-size:.98rem;white-space:nowrap}

/* ---------- دکمه‌ها ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  width:100%;
  padding:11px 16px;
  background:var(--panel);color:var(--txt);
  border:1px solid var(--line);border-radius:var(--radius-sm);
  font-family:inherit;font-size:.9rem;font-weight:600;
  cursor:pointer;transition:.18s;
}
.btn + .btn{margin-block-start:8px}
.btn:hover{border-color:var(--line-hi)}
.btn:active{transform:translateY(1px)}
.btn:focus-visible{outline:none;box-shadow:var(--ring)}
.btn.primary{
  background:var(--playva-grad);
  border-color:transparent;color:var(--ink);font-weight:800;
  box-shadow:0 8px 20px rgba(250,70,0,.28);
}
.btn.primary:hover{filter:brightness(1.06)}
.btn.big{padding:13px 16px;font-size:.98rem}
.btn.ghost{background:transparent;color:var(--muted)}
.btn.ghost:hover{color:var(--txt)}

/* ---------- پنجرهٔ تنظیمات ---------- */
.modal{
  position:fixed;inset:0;z-index:20;
  display:grid;place-items:end center;
  background:rgba(4,2,2,.76);
  padding:12px;
}
.sheet{
  width:min(100%,460px);
  max-height:88dvh;overflow:auto;
  background:var(--card-grad);
  border:1px solid var(--line);
  border-radius:20px;
  padding:18px 16px calc(env(safe-area-inset-bottom) + 16px);
  box-shadow:var(--shadow);
  animation:slide .26s cubic-bezier(.2,1,.4,1) both;
}
@keyframes slide{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
.sheet h2{margin:0 0 14px;font-size:1.08rem}
.field{margin-bottom:13px}
.field > label{display:block;margin-bottom:6px;color:var(--muted);font-size:.8rem}
.seg{
  display:flex;gap:4px;
  background:var(--panel2);border:1px solid var(--line);
  border-radius:12px;padding:4px;
}
.seg button{
  flex:1;padding:8px 4px;
  background:transparent;color:var(--muted);
  border:0;border-radius:9px;
  font-family:inherit;font-size:.8rem;font-weight:600;
  cursor:pointer;transition:.18s;
}
.seg button.on{background:var(--playva-grad);color:var(--ink);font-weight:800}
.seg button:focus-visible{outline:none;box-shadow:var(--ring)}
.rules{
  background:var(--panel2);border:1px solid var(--line);
  border-radius:var(--radius-sm);
  padding:12px 14px;margin:16px 0;
}
.rules h3{margin:0 0 8px;font-size:.9rem;color:var(--playva-amber)}
.rules h3 + ul{margin-bottom:12px}
.rules ul{margin:0;padding-inline-start:18px;color:var(--muted);font-size:.8rem;line-height:1.95}
.rules ul.pieces{list-style:none;padding-inline-start:0}
.rules ul.pieces li{display:flex;align-items:flex-start;gap:6px}
.rules ul.pieces .dot{width:30px;height:30px;font-size:.5rem;margin-block-start:2px}
.rules b{color:var(--txt);margin-inline-end:3px}
.sheet-actions{display:flex;gap:8px}
.sheet-actions .btn{margin-block-start:0;padding-inline:8px}
.made{margin:14px 0 0;text-align:center;color:var(--muted);font-size:.72rem}

/* ---------- پیام کوتاه ---------- */
.toast{
  position:fixed;
  inset-inline:0;
  top:calc(env(safe-area-inset-top) + 120px);
  margin-inline:auto;
  width:max-content;max-width:88vw;
  z-index:30;
  background:var(--toast-bg);
  border:1px solid var(--line);
  border-radius:999px;
  padding:9px 16px;
  font-size:.84rem;
  text-align:center;
  box-shadow:var(--shadow);
  animation:pop .22s ease both;
  pointer-events:none;
}
.toast.good{border-color:var(--good)}
.toast.bad{border-color:var(--bad)}

/* ---------- صفحه‌های کوتاه: کارت منو جمع‌وجورتر ---------- */
.screen{scrollbar-width:thin;scrollbar-color:var(--line) transparent}
.screen::-webkit-scrollbar{width:6px}
.screen::-webkit-scrollbar-thumb{background:var(--line);border-radius:99px}
@media (max-height:880px){
  .card{padding:14px 14px}
  .card__discs .dot.big{width:46px;height:46px;font-size:.85rem}
  .card h2{margin-bottom:4px}
  .card p{font-size:.8rem;line-height:1.6;margin-bottom:10px}
  .card .field{margin-bottom:8px}
  .card .field > label{margin-bottom:4px}
  .card .seg button{padding:7px 4px}
  .card .result{padding:3px 10px;margin-bottom:10px}
  .card .result__row{padding:3px 0}
  .btn.big{padding:11px 16px}
}

/* ---------- صفحه‌های کوچک ---------- */
@media (max-width:430px){
  :root{--gap:6px;--btn-h:48px}
  .topbar{gap:7px;padding:7px 9px}
  .chip{padding:4px 7px;gap:4px}
  .chip__name{font-size:.72rem}
  .caps .mini{width:15px;height:15px;font-size:.5rem}
  .dot{width:24px;height:24px;font-size:.45rem}
}
@media (max-width:340px){
  .brand__word,.brand__sep{display:none}
}