/* ===== چراغ خاموش — 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: آسمان شب --- */
  --bg:#0a0f22;
  --bg-deep:#03050d;
  --glow:#1b2650;
  --glow2:#2a1a0c;
  --panel:#151c36;
  --panel2:#0c1124;
  --line:#26305a;
  --line-hi:#3d4a85;
  --txt:#eef1fb;
  --muted:#a2abd0;
  --ink:#1e0f06;

  --chrome-grad:linear-gradient(180deg,#151d3a,#0b1022);
  --card-grad:linear-gradient(180deg,#19224a,#090d1d);
  --shade:rgba(3,5,13,.9);
  --shade-soft:rgba(16,22,48,.6);
  --toast-bg:rgba(21,28,54,.96);

  /* --- فانوس‌ها --- */
  --brass1:#e0b25a;
  --brass2:#8a5a1c;
  --chain:#6d5530;
  --glass-off1:#26314f;
  --glass-off2:#141a2e;
  --glass-on1:#fff1b8;
  --glass-on2:#ff9d1e;
  --glass-on3:#d9520c;
  --lattice:rgba(70,40,10,.55);
  --lattice-off:rgba(0,0,0,.35);
  --lamp-glow:rgba(255,170,40,.55);
  --flame1:#fffbe6;
  --flame2:#ffc94a;
  --hint:#7fe0ff;
  --moon1:#fff8dc;
  --moon2:#e8d9a8;
  --star-on:#ffc94a;
  --star-off:#3a4370;

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

  --cs:64px;             /* اندازهٔ هر خانه؛ JS با صحنه همگامش می‌کند */
  --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 مرحله ---------- */
.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:1.08rem;font-weight:800}

/* ---------- صحنه ---------- */
.stage{position:relative;flex:1 1 auto;min-height:0;display:flex;border-radius:var(--radius);overflow:hidden}
.sky{
  position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(1.5px 1.5px at 12% 18%, var(--moon1) 50%, transparent 51%),
    radial-gradient(1px 1px at 28% 8%, var(--moon1) 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 66% 14%, var(--moon1) 50%, transparent 51%),
    radial-gradient(1px 1px at 84% 30%, var(--moon1) 50%, transparent 51%),
    radial-gradient(1px 1px at 40% 26%, var(--moon1) 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 92% 6%, var(--moon1) 50%, transparent 51%);
  opacity:.5;
}
.moon{
  position:absolute;inset-block-start:4%;inset-inline-start:6%;
  width:54px;height:54px;border-radius:50%;
  background:radial-gradient(circle at 38% 36%, var(--moon1), var(--moon2) 70%);
  box-shadow:0 0 40px 10px rgba(255,248,220,.35);
  opacity:0;transform:translateY(20px) scale(.7);
  transition:opacity 1.2s, transform 1.2s;
}
.stage:has(.board.done) .moon{opacity:1;transform:none}
.stage:has(.board.done) .sky{opacity:1;transition:opacity 1.2s}

.board-wrap{position:relative;flex:1 1 auto;min-height:0;min-width:0;overflow:hidden;display:flex;align-items:center;justify-content:center;padding:8px}
.board{
  display:grid;
  grid-template-columns:repeat(var(--n,5),var(--cs));
  grid-auto-rows:calc(var(--cs) * 1.12);
}

/* ---------- فانوس ---------- */
.lamp{
  position:relative;
  display:flex;flex-direction:column;align-items:center;
  width:var(--cs);height:calc(var(--cs) * 1.12);
  padding:0;border:0;background:transparent;
  cursor:pointer;font-family:inherit;
}
.lamp:focus-visible{outline:none;box-shadow:var(--ring);border-radius:12px}
.lamp__chain{width:2px;height:calc(var(--cs) * .1);background:var(--chain)}
.lamp__cap{
  width:calc(var(--cs) * .42);height:calc(var(--cs) * .14);
  background:linear-gradient(180deg,var(--brass1),var(--brass2));
  border-radius:50% 50% 3px 3px / 100% 100% 3px 3px;
}
.lamp__glass{
  position:relative;
  width:calc(var(--cs) * .6);height:calc(var(--cs) * .66);
  border-radius:calc(var(--cs) * .14);
  border:2px solid var(--brass2);
  background:
    repeating-linear-gradient(45deg, var(--lattice-off) 0 2px, transparent 2px 9px),
    repeating-linear-gradient(-45deg, var(--lattice-off) 0 2px, transparent 2px 9px),
    linear-gradient(180deg,var(--glass-off1),var(--glass-off2));
  transition:background .25s, box-shadow .25s;
  overflow:hidden;
}
.lamp__flame{
  position:absolute;left:50%;top:50%;
  width:calc(var(--cs) * .16);height:calc(var(--cs) * .26);
  margin:calc(var(--cs) * -.15) 0 0 calc(var(--cs) * -.08);
  border-radius:50% 50% 50% 50% / 65% 65% 35% 35%;
  background:radial-gradient(circle at 50% 70%, var(--flame1), var(--flame2) 60%, transparent 72%);
  opacity:0;transform:scale(.4);
  transition:opacity .2s, transform .2s;
}
.lamp__base{
  width:calc(var(--cs) * .5);height:calc(var(--cs) * .08);
  background:linear-gradient(180deg,var(--brass1),var(--brass2));
  border-radius:2px 2px 6px 6px;
}
.lamp.on .lamp__glass{
  background:
    repeating-linear-gradient(45deg, var(--lattice) 0 2px, transparent 2px 9px),
    repeating-linear-gradient(-45deg, var(--lattice) 0 2px, transparent 2px 9px),
    radial-gradient(circle at 50% 55%, var(--glass-on1), var(--glass-on2) 55%, var(--glass-on3));
  box-shadow:0 0 calc(var(--cs) * .32) var(--lamp-glow);
}
.lamp.on .lamp__flame{opacity:1;transform:none;animation:flicker 1.4s ease-in-out infinite alternate}
@keyframes flicker{50%{transform:scale(.92,1.06)}to{transform:scale(1.04,.95)}}
.lamp.flip{animation:swing .4s ease-out}
@keyframes swing{30%{transform:rotate(-7deg) scale(.94)}65%{transform:rotate(4deg)}to{transform:none}}
.lamp.hint .lamp__glass{outline:3px solid var(--hint);outline-offset:3px;animation:hintpulse .9s ease-in-out infinite alternate}
@keyframes hintpulse{to{outline-offset:6px}}

.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);
}
/* 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}
}

/* ---------- فهرست مرحله‌ها ---------- */
.card__lamp{display:flex;justify-content:center;margin-bottom:4px;--cs:58px}
.card__lamp .lamp{cursor:default}
.levels{
  display:grid;grid-template-columns:repeat(6,1fr);gap:6px;
  margin:12px 0 4px;
}
.lv-head{grid-column:1 / -1;margin:6px 0 0;font-size:.78rem;color:var(--playva-amber);text-align:start}
.lv{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  aspect-ratio:1;
  background:var(--panel2);color:var(--txt);
  border:1px solid var(--line);border-radius:10px;
  font-family:inherit;cursor:pointer;padding:2px;
}
.lv b{font-size:.92rem}
.lv i{font-style:normal;font-size:.56rem;letter-spacing:-1px;color:var(--star-off)}
.lv.done{border-color:var(--line-hi)}
.lv.done i{color:var(--star-on)}
.lv.locked{opacity:.4;cursor:default}
.lv:not(.locked):hover{border-color:var(--playva-orange)}
.lv:focus-visible{outline:none;box-shadow:var(--ring)}
.win-stars{display:flex;justify-content:center;gap:6px;margin-bottom:6px}
.wstar{font-size:2.4rem;line-height:1;color:var(--star-off);animation:pop .4s cubic-bezier(.2,1.6,.4,1) both}
.wstar.on{color:var(--star-on);text-shadow:0 0 18px rgba(255,201,74,.6)}

/* ---------- صفحه‌های کوچک ---------- */
@media (max-width:430px){
  :root{--gap:6px;--btn-h:48px}
  .topbar{gap:7px;padding:7px 9px}
  .tool{font-size:.8rem;gap:4px}
  .tool__big{font-size:1.05rem}
}
@media (max-width:340px){
  .brand__word,.brand__sep{display:none}
  .levels{grid-template-columns:repeat(5,1fr)}
}