/* ===== ماهجونگ — 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: سبز یشمی --- */
  --bg:#0e1a12;
  --bg-deep:#040805;
  --glow:#1e3d26;
  --glow2:#3a1c0e;
  --panel:#1a2e20;
  --panel2:#101e14;
  --line:#2a4632;
  --line-hi:#3f6a4a;
  --txt:#eef6ef;
  --muted:#a4bfa9;
  --ink:#1e0f06;

  --chrome-grad:linear-gradient(180deg,#1a2e20,#0f1c13);
  --card-grad:linear-gradient(180deg,#1c3324,#0b150e);
  --shade:rgba(4,8,5,.9);
  --shade-soft:rgba(20,40,26,.55);
  --toast-bg:rgba(26,46,32,.96);

  /* --- میز ماهوت و کاشی استخوانی --- */
  --felt:#1c5a3a;
  --felt-dark:#0d2f1e;
  --tile-face:#fbf6e9;
  --tile-face2:#efe5cf;
  --tile-side:#c9a86a;
  --tile-side2:#8e6b33;
  --tile-line:rgba(120,90,40,.35);
  --sel:#ffa320;
  --hint:#5fc987;
  --blocked:.62;
  --ink-red:#c4202c;
  --ink-green:#1f7a3e;
  --ink-blue:#1b4f8a;
  --ink-dark:#1d1a22;

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

  --tw:40px;             /* پهنای کاشی؛ JS با صحنه همگامش می‌کند */
  --btn-h:52px;
  --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:1100px;
  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)}

/* ---------- نوار وضعیت ---------- */
.hud{flex:0 0 auto;display:flex;gap:6px}
.chip{
  flex:1 1 0;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  min-width:0;
  background:var(--chrome-grad);
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  padding:4px 6px;
}
.chip span{font-size:.66rem;color:var(--muted);white-space:nowrap}
.chip b{font-size:.95rem;font-weight:800;white-space:nowrap}
.chip.warn{border-color:var(--bad)}
.chip.warn b{color:var(--bad)}

/* ---------- صحنه و میز ---------- */
.stage{
  position:relative;
  flex:1 1 auto;
  min-height:0;
  display:flex;align-items:center;justify-content:center;
  border-radius:var(--radius);
  border:2px solid var(--tile-side);
  background:
    radial-gradient(circle at 30% 30%, rgba(255,255,255,.05) 0 2px, transparent 3px),
    radial-gradient(ellipse at 50% 45%, var(--felt) 0%, var(--felt-dark) 100%);
  background-size:18px 18px,100% 100%;
  box-shadow:inset 0 0 50px rgba(0,0,0,.5);
  overflow:hidden;
}
.board{position:relative;direction:ltr}
.board.shuffling .tile{animation:shuf .45s ease}
@keyframes shuf{40%{transform:rotate(8deg) scale(.85)}}

/* ---------- کاشی ---------- */
.tile{
  --w:var(--tw);
  position:absolute;
  width:var(--w);
  height:calc(var(--w) * 1.3);
  padding:0;
  border:0;
  border-radius:calc(var(--w) * .14);
  background:linear-gradient(160deg,var(--tile-face),var(--tile-face2));
  /* لبهٔ سه‌بعدی پایین و راست */
  box-shadow:
    calc(var(--w) * .06) calc(var(--w) * .06) 0 var(--tile-side),
    calc(var(--w) * .11) calc(var(--w) * .11) 0 var(--tile-side2),
    calc(var(--w) * .14) calc(var(--w) * .16) calc(var(--w) * .12) rgba(0,0,0,.45);
  font-family:inherit;
  color:var(--ink-dark);
  cursor:pointer;
  transition:transform .12s, filter .15s, opacity .2s;
}
.tile .face{
  position:absolute;inset:calc(var(--w) * .06);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  border:1px solid var(--tile-line);
  border-radius:calc(var(--w) * .1);
  overflow:hidden;
}
.tile .big{font-size:calc(var(--w) * .6);line-height:1;font-weight:800}
.tile small{font-size:calc(var(--w) * .2);font-weight:800;line-height:1.1;color:var(--ink-dark);opacity:.8;white-space:nowrap}
.tile .num{color:var(--ink-red)}
.tile .wind{color:var(--ink-blue)}
.tile .drg.d0{color:var(--ink-red)}
.tile .drg.d1{color:var(--ink-green)}
.tile .frame{
  width:60%;height:52%;
  border:calc(var(--w) * .06) double var(--ink-blue);
  border-radius:calc(var(--w) * .06);
  margin-bottom:calc(var(--w) * .06);
}
.tile .emo{font-size:calc(var(--w) * .52)}
/* دانه‌ها: شبکهٔ سه‌درسه */
.tile .pips{
  display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);
  width:84%;height:72%;
  place-items:center;
}
.tile .pips i{display:block}
.tile .pips i.coin{
  width:calc(var(--w) * .2);height:calc(var(--w) * .2);border-radius:50%;
  border:calc(var(--w) * .035) solid currentColor;
  background:radial-gradient(circle, currentColor 0 30%, transparent 32%);
}
.tile .pips i.reed{
  width:calc(var(--w) * .085);height:calc(var(--w) * .28);border-radius:calc(var(--w) * .04);
  background:linear-gradient(180deg, currentColor 0 44%, var(--tile-face) 44% 52%, currentColor 52%);
}
.tile.s0 .pips i.c0{color:var(--ink-blue)}
.tile.s0 .pips i.c1{color:var(--ink-red)}
.tile.s0 .pips i.c2{color:var(--ink-green)}
.tile.s1 .pips i{color:var(--ink-green)}
.tile.s1 .pips i.c1{color:var(--ink-red)}
.tile .tag{
  position:absolute;inset-block-start:1px;inset-inline-end:3px;
  font-size:calc(var(--w) * .2);font-weight:800;line-height:1;
  color:var(--ink-dark);opacity:.55;
}

.tile.blocked{filter:brightness(var(--blocked)) saturate(.8)}
.tile.sel{transform:translateY(calc(var(--w) * -.1));filter:none}
.tile.sel .face{box-shadow:inset 0 0 0 calc(var(--w) * .06) var(--sel);background:rgba(255,163,32,.14)}
.tile.hint .face{box-shadow:inset 0 0 0 calc(var(--w) * .06) var(--hint)}
.tile.hint{animation:bob .8s ease-in-out infinite}
@keyframes bob{50%{transform:translateY(calc(var(--w) * -.12))}}
.tile.nope{animation:nope .3s}
@keyframes nope{25%{transform:translateX(-3px)}75%{transform:translateX(3px)}}
.tile.out{animation:out .25s ease-in forwards}
@keyframes out{to{transform:scale(1.25);opacity:0}}
.tile.gone{visibility:hidden;pointer-events:none}
.tile.back{animation:back .3s ease}
@keyframes back{from{transform:scale(1.25);opacity:0}}
.tile.drop{animation:drop .45s cubic-bezier(.2,1.2,.4,1) both}
@keyframes drop{from{transform:translateY(-30px);opacity:0}}
.tile:focus-visible{outline:none;box-shadow:var(--ring)}

/* ---------- 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;
  white-space:nowrap;overflow:hidden;
  transition:border-color .15s, box-shadow .15s, opacity .15s, transform .1s;
}
.tool__big{font-size:1.25rem;line-height:1}
.tool:active{transform:scale(.97)}
.tool.go{background:var(--playva-grad);border-color:transparent;color:var(--ink);box-shadow:0 8px 20px rgba(250,70,0,.25);animation:nudge 1s ease-in-out infinite}
@keyframes nudge{50%{transform:scale(1.04)}}
.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:100000;
  overflow:auto;
  touch-action:pan-y;
}
.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 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:200000;
  display:grid;place-items:end center;
  background:rgba(4,8,5,.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 ul{margin:0;padding-inline-start:18px;color:var(--muted);font-size:.8rem;line-height:1.95}
.rules b{color:var(--txt)}
.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:300000;
  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 کوچک ---------- */
@media (max-width:430px){
  :root{--gap:6px;--btn-h:50px}
  .topbar{gap:7px;padding:7px 9px}
  .chip b{font-size:.86rem}
  .chip span{font-size:.6rem}
  .tool{font-size:.86rem;gap:5px}
}
@media (max-width:340px){
  .brand__word,.brand__sep{display:none}
}