/* ===== کن‌کن — 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: باغ شب، سبز زیتونی --- */
  --bg:#10261c;
  --bg-deep:#06100b;
  --glow:#285c3e;
  --glow2:#3a2208;
  --panel:#183a2a;
  --panel2:#0c1f16;
  --line:#2a5640;
  --line-hi:#3f7f5e;
  --txt:#eefaf2;
  --muted:#a9cdb8;
  --ink:#1e0f06;

  --chrome-grad:linear-gradient(180deg,#1a3d2c,#0c1f16);
  --card-grad:linear-gradient(180deg,#1d4431,#0a1a12);
  --shade:rgba(6,16,11,.9);
  --shade-soft:rgba(24,58,42,.55);
  --toast-bg:rgba(24,58,42,.96);

  /* --- جدول: کاغذ کاهی با قفس‌های مرکب --- */
  --sq:56px;
  --grid-thin:#c9b58c;
  --cage-line:#2a1c0c;
  --cage-w:3px;
  --cell1:#fbf3df;
  --cell2:#f1e4c4;
  --cell-run:#f8e4b2;
  --cell-sel:#ffc94d;
  --cell-sel-ring:#fa4600;
  --cell-bad:#ffcfc7;
  --cell-cage:#fde9c0;
  --label:#5a3410;
  --label-done:#8a9a8e;
  --label-bad:#c0261a;
  --digit:#173826;
  --digit-hint:#8a4b06;
  --digit-bad:#c0261a;
  --note:#6a5a3a;
  --key-bg:linear-gradient(180deg,#24503a,#143022);
  --key-h:50px;

  --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)}

/* ---------- وضعیت معما ---------- */
.hud{flex:0 0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:6px}
.stat{
  display:flex;flex-direction:column;align-items:center;
  background:var(--chrome-grad);
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  padding:5px 4px;
}
.stat span{font-size:.68rem;color:var(--muted)}
.stat b{font-size:1rem;font-weight:800;white-space:nowrap}


/* ---------- جدول ---------- */
.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;align-items:center;justify-content:center;
  border-radius:var(--radius);
  background:radial-gradient(120% 90% at 50% 20%, var(--panel), var(--panel2));
  box-shadow:var(--shadow), inset 0 0 0 1px rgba(255,255,255,.05);
  padding:8px;
}
/* ستون صفر سمت راست است: جدول راست‌به‌چپ چیده می‌شود */
.board{
  display:grid;
  gap:1px;
  background:var(--grid-thin);
  border:var(--cage-w) solid var(--cage-line);
  border-radius:6px;
  box-shadow:0 10px 26px rgba(0,0,0,.5);
  touch-action:manipulation;
  overflow:hidden;
}
.kc{
  width:var(--sq);height:var(--sq);
  position:relative;
  display:grid;place-items:center;
  font-family:inherit;
  padding:0;border:0;
  background-color:var(--cell2);
  background-image:linear-gradient(180deg,var(--cell1),var(--cell2));
  color:var(--digit);
  font-size:calc(var(--sq) * .52);
  font-weight:800;
  cursor:pointer;
  transition:background-color .15s;
}
/* مرز قفس: خط پررنگ روی لبه‌هایی که خانهٔ همسایه از قفس دیگری است */
.kc::before{
  content:"";position:absolute;inset:-1px;pointer-events:none;z-index:2;
  border:0 solid var(--cage-line);
}
.kc.bt::before{border-top-width:var(--cage-w)}
.kc.bb::before{border-bottom-width:var(--cage-w)}
.kc.bs::before{border-inline-start-width:var(--cage-w)}
.kc.be::before{border-inline-end-width:var(--cage-w)}
.kc.cage{background-image:none;background-color:var(--cell-cage)}
.kc.run{background-image:none;background-color:var(--cell-run)}
.kc.sel{background-image:none;background-color:var(--cell-sel);box-shadow:inset 0 0 0 2px var(--cell-sel-ring)}
.kc.bad{color:var(--digit-bad)}
.kc.bad:not(.sel){background-image:none;background-color:var(--cell-bad)}
.kc.hinted{color:var(--digit-hint)}
.kc.pop .dg{animation:cpop .25s ease-out}
.dg{display:block}
@keyframes cpop{50%{transform:scale(1.15)}}
.lab{
  position:absolute;top:4%;inset-inline-start:7%;z-index:3;
  font-size:calc(var(--sq) * .25);font-weight:800;line-height:1;
  color:var(--label);font-style:normal;
  pointer-events:none;
}
.lab.done{color:var(--label-done)}
.lab.bad{color:var(--label-bad)}
.board.done .kc{background-image:none;animation:glow 1.1s ease-in-out infinite alternate}
@keyframes glow{to{background-color:var(--cell-run)}}
.notes{
  position:absolute;inset:26% 6% 4%;
  display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);
  direction:ltr;
  font-size:calc(var(--sq) * .17);font-weight:600;color:var(--note);
  line-height:1;
}
.notes span{display:grid;place-items:center}

.status{
  flex:0 0 auto;margin:0;
  min-height:2.9em;
  display:flex;align-items:center;justify-content:center;
  text-align:center;line-height:1.45;
  color:var(--muted);font-size:.8rem;font-weight:600;
}
.status b{color:var(--playva-amber)}

/* ---------- ردیف رقم‌ها ---------- */
.pad{flex:0 0 auto;display:grid;grid-template-columns:repeat(var(--keys,7),1fr);gap:6px}
.key{
  height:var(--key-h);min-width:0;
  background:var(--key-bg);color:var(--txt);
  border:1px solid var(--line);border-radius:12px;
  font-family:inherit;font-size:1.25rem;font-weight:800;
  cursor:pointer;
  transition:transform .08s, border-color .15s, opacity .15s;
}
.key:active{transform:scale(.93)}
.key:focus-visible{outline:none;box-shadow:var(--ring)}
.key.dim{opacity:.35}
.key--erase{font-size:1.05rem;color:var(--muted)}
.pad.notes-on .key:not(.key--erase){border-color:var(--playva-amber);color:var(--playva-amber);font-size:1rem}
.tool.on{border-color:var(--playva-orange);color:var(--playva-amber)}

.card__art{display:flex;justify-content:center;margin:0 auto 10px;direction:rtl}
.art__cell{
  width:46px;height:46px;position:relative;display:grid;place-items:center;
  background:linear-gradient(180deg,var(--cell1),var(--cell2));color:var(--digit);
  font-weight:800;font-size:1.4rem;
  border:var(--cage-w) solid var(--cage-line);
}
.art__cage{border-inline-end:1px solid var(--grid-thin)}
.art__cage--end{border-inline-start:0;border-inline-end:var(--cage-w) solid var(--cage-line)}
.art__solo{border-inline-start:0}
.art__cell i{position:absolute;top:2px;inset-inline-start:4px;font-style:normal;font-size:.66rem;color:var(--label)}

/* ---------- 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);
}
/* صفحهٔ پایان صفحه را نمی‌پوشاند تا ردیف برنده دیده شود */
.screen--clear{background:transparent;align-items:flex-start;pointer-events:none;padding:4px}
.screen--clear .card{
  margin:0 auto;pointer-events:auto;padding:10px 12px;
  display:grid;grid-template-columns:auto 1fr;column-gap:10px;align-items:center;text-align:start;
}
.screen--clear .card__emoji{grid-row:span 2;font-size:1.9rem;margin:0}
.screen--clear .card h2{margin:0;font-size:1.05rem}
.screen--clear .card p{margin:0;font-size:.78rem}
.screen--clear .over-actions{grid-column:1 / -1;display:flex;gap:8px;margin-top:10px}
.screen--clear .over-actions .btn{margin:0;padding:9px 10px;font-size:.88rem}
.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:20;
  display:grid;place-items:end center;
  background:rgba(2,7,10,.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: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__emoji{font-size:1.8rem;margin-bottom:2px}
  .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:46px;--key-h:44px}
  .topbar{gap:7px;padding:7px 9px}
  .tool{font-size:.8rem;gap:4px}
  .tool__big{font-size:1.05rem}
  .board-wrap{padding:4px}
  .pad{gap:4px}
}
@media (max-width:340px){
  .brand__word,.brand__sep{display:none}
  .seg button{font-size:.72rem}
}