/* LAST SIGNAL — MOBILE EDITION · واجهة اللمس */
:root{
  --bg:#05060c; --bg2:#0b0f1c; --ink:#e8eefc; --muted:#8ea0c4;
  --cyan:#4fd1e8; --amber:#f2b53c; --red:#e5484d; --green:#63d47a; --violet:#9b6cff;
  --glass:rgba(12,18,34,.72); --line:rgba(255,255,255,.09);
  --btn:clamp(46px,9.2vh,74px); --btnBig:clamp(60px,12.5vh,96px);
  --safe-t:env(safe-area-inset-top,0px); --safe-b:env(safe-area-inset-bottom,0px);
  --safe-l:env(safe-area-inset-left,0px); --safe-r:env(safe-area-inset-right,0px);
  --tbtn-scale:1; --tbtn-alpha:.7;
}
*{box-sizing:border-box}
html,body{height:100%;overflow:hidden;background:var(--bg);touch-action:none}
body{position:fixed;inset:0}
canvas{display:block;image-rendering:pixelated;image-rendering:-moz-crisp-edges}
.screen{position:absolute;inset:0;display:none;z-index:10}
.screen.show{display:block}
.hide{display:none!important}
.muted{color:var(--muted)}
.small{font-size:clamp(11px,1.9vh,15px);line-height:1.7}
.glass{background:var(--glass);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border:1px solid var(--line);border-radius:14px}

/* ---------- boot ---------- */
#boot{background:radial-gradient(120% 90% at 50% 10%,#101a33,#05060c 70%);display:none}
#boot.show{display:grid;place-items:center}
.boot-inner{text-align:center;padding:0 6vw}
.boot-logo{font-family:'RakkasX',serif;font-size:clamp(30px,8vh,64px);letter-spacing:2px;
  color:#fff;text-shadow:0 0 18px rgba(79,209,232,.55)}
.boot-sub{color:var(--muted);margin:6px 0 22px;font-size:clamp(12px,2.2vh,17px)}
.boot-bar{width:min(60vw,420px);height:8px;margin:0 auto;background:#141c33;border-radius:8px;overflow:hidden}
.boot-bar i{display:block;height:100%;width:0%;background:linear-gradient(90deg,var(--cyan),var(--amber))}
.boot-msg{margin-top:14px;color:var(--muted);font-size:clamp(11px,2vh,14px)}

/* ---------- menu ---------- */
#menu{background:linear-gradient(180deg,#070a14 0%,#0d1424 55%,#05070e 100%)}
.scanlines{position:absolute;inset:0;pointer-events:none;opacity:.16;
  background:repeating-linear-gradient(180deg,rgba(255,255,255,.05) 0 1px,transparent 1px 3px)}
.menu-wrap{position:relative;height:100%;display:flex;flex-direction:column;justify-content:center;
  gap:2.4vh;padding:calc(var(--safe-t) + 3vh) calc(var(--safe-r) + 5vw) calc(var(--safe-b) + 3vh) calc(var(--safe-l) + 5vw)}
.menu-head .kicker{color:var(--amber);letter-spacing:3px;font-size:clamp(9px,1.7vh,13px)}
.menu-head h1{margin:.2em 0;font-size:clamp(26px,7.4vh,58px);color:#fff;text-shadow:0 0 22px rgba(79,209,232,.35)}
.menu-sub{color:var(--cyan);letter-spacing:2px;font-size:clamp(10px,1.9vh,14px)}
.menu-head .tag{margin:.7em 0 0;max-width:60ch;color:var(--muted);font-size:clamp(11px,2vh,15px);line-height:1.8}
.menu-btns{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:1.2vh;max-width:820px}
.menu-foot{display:flex;flex-wrap:wrap;gap:3vw;color:var(--muted);font-size:clamp(10px,1.8vh,14px)}
.menu-foot b{color:var(--ink)}

/* ---------- buttons ---------- */
.btn{-webkit-tap-highlight-color:transparent;border:1px solid var(--line);border-radius:12px;
  padding:clamp(9px,1.9vh,15px) clamp(12px,3vw,22px);font-size:clamp(12px,2.2vh,17px);
  font-family:inherit;font-weight:600;color:var(--ink);background:rgba(255,255,255,.06);
  transition:transform .12s ease,box-shadow .12s ease,background .12s ease;min-height:44px;cursor:pointer}
.btn:active{transform:translateY(2px) scale(.985)}
.btn-primary{background:linear-gradient(180deg,#2ba7c4,#136b85);border-color:#39c6e2;color:#eafcff;
  box-shadow:0 8px 22px rgba(43,167,196,.28)}
.btn-ghost:hover,.btn-primary:hover{box-shadow:0 10px 26px rgba(0,0,0,.45)}
.btn-danger{background:linear-gradient(180deg,#a4262b,#6d1519);border-color:#e5484d;color:#ffecec}
.btn-row{display:flex;gap:10px;flex-wrap:wrap}
.small-btn{padding:8px 14px;font-size:clamp(11px,2vh,15px)}
.btn-mini{border:1px solid var(--line);background:rgba(255,255,255,.08);color:var(--ink);
  border-radius:10px;padding:7px 14px;font-family:inherit;font-size:clamp(10px,1.9vh,14px)}
.icon-btn{width:clamp(38px,7.6vh,54px);height:clamp(38px,7.6vh,54px);border-radius:12px;
  border:1px solid var(--line);background:var(--glass);color:var(--ink);font-weight:700;
  font-family:inherit;font-size:clamp(11px,2vh,15px)}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.seg-b{background:transparent;border:0;color:var(--muted);padding:7px 14px;font-family:inherit;
  font-size:clamp(11px,2vh,15px)}
.seg-b.on{background:rgba(79,209,232,.22);color:#fff}

/* ---------- panels / overlays ---------- */
.panel{position:relative;margin:auto;max-width:min(900px,92vw);max-height:92vh;overflow:auto;
  background:linear-gradient(180deg,rgba(16,23,42,.96),rgba(8,11,22,.97));
  border:1px solid var(--line);border-radius:18px;padding:clamp(14px,3vh,26px);
  -webkit-overflow-scrolling:touch;touch-action:pan-y}
.panel h2{margin:.1em 0 .5em;font-size:clamp(17px,3.6vh,26px);color:#fff}
.panel.small-panel{max-width:520px}
.overlay{position:absolute;inset:0;z-index:40;display:none;overflow:auto;
  background:rgba(3,5,11,.72);backdrop-filter:blur(4px);touch-action:pan-y}
.overlay.show{display:flex}
.overlay.dark{background:rgba(2,3,7,.94)}
label.row{display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:clamp(7px,1.5vh,12px) 0;border-bottom:1px solid rgba(255,255,255,.05);
  font-size:clamp(12px,2.1vh,16px)}
label.row input[type=range]{width:44%;accent-color:#4fd1e8}
label.row input[type=checkbox]{width:22px;height:22px;accent-color:#4fd1e8}
label.row select{background:#101728;color:var(--ink);border:1px solid var(--line);border-radius:10px;
  padding:8px 10px;font-family:inherit;font-size:clamp(11px,2vh,15px);max-width:56%}
.list{display:grid;gap:10px;margin:10px 0 16px}
.item{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 14px;
  border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.045);
  font-size:clamp(11px,2vh,15px)}
.item.buy{background:linear-gradient(180deg,rgba(99,212,122,.14),rgba(99,212,122,.05));cursor:pointer}
.item.max{opacity:.6}
.item .pr{color:var(--amber);font-weight:700}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px;margin:10px 0 16px}
.stat{padding:10px 12px;border-radius:12px;background:rgba(255,255,255,.05);border:1px solid var(--line);
  font-size:clamp(11px,2vh,15px)}
.stat b{display:block;font-size:clamp(14px,2.8vh,20px);color:#fff}
.ls-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin:12px 0 18px}
.ls-card{padding:12px;border-radius:14px;border:1px solid var(--line);background:rgba(255,255,255,.05);
  text-align:right;color:var(--ink);font-family:inherit;font-size:clamp(11px,2vh,15px);min-height:88px}
.ls-card.locked{opacity:.42}
.ls-card b{display:block;color:#fff;margin-bottom:4px;font-size:clamp(13px,2.4vh,17px)}
.how-grid{display:grid;gap:10px;margin:6px 0 16px}
.how-grid div{padding:10px 12px;border-radius:12px;background:rgba(255,255,255,.05);border:1px solid var(--line);
  font-size:clamp(11px,2vh,15px);line-height:1.75}

/* ---------- game canvas + HUD ---------- */
#game{background:#05060c}
#game.show{display:block}
#cv{position:absolute;inset:0;width:100%;height:100%;background:#05060c}
.vig{position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(120% 100% at 50% 50%,transparent 45%,rgba(0,0,0,.62) 100%)}
.grain{position:absolute;inset:0;pointer-events:none;opacity:.05;mix-blend-mode:overlay;
  background:repeating-linear-gradient(0deg,rgba(255,255,255,.6) 0 1px,transparent 1px 2px)}
#hud{position:absolute;inset:0;z-index:20;pointer-events:none}
#hud .icon-btn{pointer-events:auto}
.hud-top{position:absolute;top:calc(var(--safe-t) + 1.4vh);left:calc(var(--safe-l) + 1.6vw);
  right:calc(var(--safe-r) + 1.6vw);display:flex;align-items:flex-start;gap:1.4vw}
.hud-bars{display:flex;flex-direction:column;gap:5px;padding:8px 11px;width:clamp(150px,26vw,270px)}
.bar{position:relative;height:clamp(11px,1.9vh,16px);border-radius:8px;background:rgba(255,255,255,.10);
  overflow:hidden;border:1px solid rgba(255,255,255,.08)}
.bar i{position:absolute;inset:0;width:100%;transform-origin:right center;transition:transform .12s linear}
.bar.hp i{background:linear-gradient(90deg,#e5484d,#ff8a6b)}
.bar.en i{background:linear-gradient(90deg,#3f8cff,#4fd1e8)}
.bar span{position:absolute;inset:0;display:grid;place-items:center;
  font-size:clamp(8px,1.5vh,11px);color:#fff;text-shadow:0 1px 2px #000;font-weight:600}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:2px}
.chip{font-size:clamp(9px,1.7vh,12px);color:var(--muted)}
.chip b{color:var(--amber)}
.chip.herbs b{color:var(--green)} .chip.keys b{color:var(--cyan)}
.hud-mission{padding:8px 12px;margin-inline-start:auto;max-width:38vw;text-align:right}
.m-title{color:var(--amber);font-size:clamp(9px,1.6vh,12px);letter-spacing:1px}
.m-line{color:#fff;font-size:clamp(11px,2vh,15px);line-height:1.6}
.boss-wrap{position:absolute;top:calc(var(--safe-t) + 10.5vh);left:22vw;right:22vw;text-align:center}
.boss-name{font-size:clamp(10px,1.9vh,14px);color:#ffd9a0;letter-spacing:1px;margin-bottom:4px}
.boss-name i{color:var(--muted);font-style:normal;font-size:.85em}
.boss-bar{height:clamp(10px,1.8vh,15px);border-radius:8px;background:rgba(0,0,0,.55);
  border:1px solid rgba(255,180,120,.35);overflow:hidden}
.boss-bar i{display:block;height:100%;width:100%;transform-origin:right center;
  background:linear-gradient(90deg,#7b1fa2,#e5484d,#f2b53c);transition:transform .15s linear}
.hud-hint{position:absolute;bottom:calc(var(--safe-b) + 26vh);left:12vw;right:12vw;text-align:center;
  color:#fff;font-size:clamp(11px,2.1vh,16px);text-shadow:0 2px 6px #000}
.hud-toast{position:absolute;top:calc(var(--safe-t) + 22vh);left:50%;transform:translateX(-50%);
  display:flex;flex-direction:column;gap:6px;align-items:center}
.toast-item{padding:7px 14px;border-radius:20px;background:rgba(6,10,20,.85);border:1px solid var(--line);
  color:#fff;font-size:clamp(10px,1.9vh,14px);animation:fadeUp .3s ease}
.toast{position:absolute;z-index:60;left:50%;bottom:calc(var(--safe-b) + 12vh);transform:translateX(-50%)}
.toast.show{display:block}
.fps{position:absolute;top:2px;left:4px;z-index:60;color:#5c6b8a;font-size:10px;font-family:monospace}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* ---------- touch controls ---------- */
#touch{position:absolute;inset:0;z-index:30;pointer-events:none}
.pad{position:absolute;bottom:calc(var(--safe-b) + 1.6vh);display:flex;align-items:flex-end;gap:2vw;
  pointer-events:auto}
.pad-left{left:calc(var(--safe-l) + 2.2vw)}
.pad-right{right:calc(var(--safe-r) + 2.2vw);flex-wrap:wrap;justify-content:flex-end;max-width:56vw}
.tbtn{--s:var(--btn);width:var(--s);height:var(--s);border-radius:50%;border:1px solid rgba(255,255,255,.28);
  background:radial-gradient(circle at 35% 30%,rgba(255,255,255,.22),rgba(20,30,54,.55));
  color:#eaf2ff;font-family:inherit;font-weight:700;font-size:clamp(10px,1.85vh,15px);
  opacity:var(--tbtn-alpha);transform:scale(var(--tbtn-scale));transform-origin:center bottom;
  touch-action:none;-webkit-tap-highlight-color:transparent;transition:background .08s,box-shadow .08s;
  position:relative;padding:0;line-height:1}
.tbtn.dir{width:calc(var(--btnBig) * 1.08);height:calc(var(--btnBig) * 1.08);font-size:clamp(16px,3.4vh,28px)}
.tbtn.big{width:var(--btnBig);height:var(--btnBig)}
.tbtn.big.atk{border-color:rgba(229,72,77,.6);background:radial-gradient(circle at 35% 30%,rgba(255,160,150,.3),rgba(90,20,26,.55))}
.tbtn.big.jump{border-color:rgba(79,209,232,.6);background:radial-gradient(circle at 35% 30%,rgba(160,235,255,.3),rgba(12,60,80,.55))}
.tbtn.use{border-color:rgba(242,181,60,.5)}
.tbtn:active,.tbtn.down{background:radial-gradient(circle at 35% 30%,rgba(255,255,255,.5),rgba(40,60,100,.75));
  box-shadow:0 0 18px rgba(120,200,255,.45)}
.abs{position:absolute;right:calc(var(--safe-r) + 2.2vw);bottom:calc(var(--safe-b) + 15.5vh);
  display:flex;gap:1.4vw;pointer-events:auto}
.ab{--s:calc(var(--btn) * .82);width:var(--s);height:var(--s);border-radius:14px;position:relative;overflow:hidden;
  border:1px solid rgba(155,108,255,.55);background:radial-gradient(circle at 40% 35%,rgba(155,108,255,.35),rgba(28,16,54,.6));
  color:#fff;font-family:inherit;font-size:clamp(8px,1.5vh,12px);font-weight:700;opacity:var(--tbtn-alpha);
  transform:scale(var(--tbtn-scale));transform-origin:center bottom;touch-action:none;padding:0}
.ab .cd{position:absolute;inset:0;background:rgba(0,0,0,.62);transform-origin:top;pointer-events:none}
.ab.no{opacity:calc(var(--tbtn-alpha) * .45)}
.ab:active{box-shadow:0 0 16px rgba(155,108,255,.7)}
.rdyl{position:absolute;top:calc(var(--safe-t) + 1.4vh);right:calc(var(--safe-r) + 1.6vw);pointer-events:auto;display:none}
body.dragmode .tbtn,body.dragmode .ab{border:1px dashed rgba(242,181,60,.9);cursor:move}
body.dragmode .pad,body.dragmode .abs{z-index:35}
.dragbar{position:absolute;top:calc(var(--safe-t) + 1.4vh);left:50%;transform:translateX(-50%);
  z-index:50;background:rgba(6,10,20,.9);border:1px solid var(--amber);border-radius:12px;padding:8px 14px;
  color:#fff;font-size:clamp(10px,1.9vh,14px);display:none}
body.dragmode .dragbar{display:block}

/* ---------- dialogue ---------- */
#dlg{position:absolute;inset:0;z-index:35;display:flex;align-items:flex-end;pointer-events:auto}
.dlg-box{position:relative;margin:0 auto calc(var(--safe-b) + 17vh);width:min(94vw,980px);
  display:flex;gap:1.4vw;padding:clamp(10px,2vh,18px);align-items:flex-start}
.dlg-face{width:clamp(46px,9vh,72px);height:clamp(46px,9vh,72px);border-radius:12px;flex:0 0 auto;
  border:1px solid var(--line);background:rgba(255,255,255,.06);overflow:hidden;display:grid;place-items:center}
.dlg-face canvas{width:100%;height:100%;image-rendering:pixelated}
.dlg-main{flex:1 1 auto;min-width:0}
.dlg-name{color:var(--amber);font-weight:700;font-size:clamp(11px,2.1vh,16px);margin-bottom:4px}
.dlg-text{color:#fff;font-size:clamp(12px,2.3vh,18px);line-height:1.85;min-height:2.2em;white-space:pre-wrap}
.dlg-foot{display:flex;flex-direction:column;align-items:flex-end;gap:8px;flex:0 0 auto}
.dlg-tap{color:var(--muted);font-size:clamp(9px,1.7vh,12px);animation:blink 1.4s infinite}
@keyframes blink{0%,100%{opacity:.35}50%{opacity:1}}
.note-text{font-size:clamp(12px,2.2vh,17px);line-height:1.95;color:#eaf2ff;background:rgba(255,255,255,.05);
  border:1px solid var(--line);border-radius:12px;padding:14px;margin-bottom:14px}
.ending-inner{position:relative;margin:auto;max-width:min(860px,92vw);padding:6vh 4vw;text-align:center}
.end-kicker{color:var(--amber);letter-spacing:4px;font-size:clamp(9px,1.8vh,13px)}
#endingOv h2{font-size:clamp(22px,6vh,46px);color:#fff;margin:.3em 0;text-shadow:0 0 24px rgba(79,209,232,.4)}
.end-text{color:#cfe0ff;font-size:clamp(12px,2.3vh,18px);line-height:2;margin:1em 0 1.4em;white-space:pre-wrap}
.end-foot{color:var(--muted);letter-spacing:2px;font-size:clamp(10px,1.9vh,14px);margin-bottom:2.4vh}
.rotate{position:absolute;inset:0;z-index:80;display:none;background:#05060c}
.rotate.show{display:grid;place-items:center;text-align:center}
.rot-icon{font-size:56px;color:var(--cyan);transform:rotate(0deg);margin-bottom:10px}

/* ---------- responsive adaptations ---------- */
@media (max-height:420px){
  :root{--btn:44px;--btnBig:62px}
  .hud-bars{width:clamp(120px,22vw,200px)}
  .boss-wrap{left:28vw;right:28vw}
  .dlg-box{margin-bottom:calc(var(--safe-b) + 13vh)}
}
@media (max-height:340px){
  :root{--btn:38px;--btnBig:54px}
  .hud-mission{max-width:30vw}
  .menu-head .tag{display:none}
}
@media (min-width:900px) and (min-height:600px){
  :root{--btn:clamp(58px,9vh,80px);--btnBig:clamp(76px,12vh,104px)}
  .pad-left{left:calc(var(--safe-l) + 4vw)} .pad-right{right:calc(var(--safe-r) + 4vw)}
}
/* شاشات ضيقة جداً: تصغير إضافي كومة الأزرار اليمنى */
@media (max-width:560px){
  .pad-right{gap:1.2vw;max-width:62vw}
}
/* أداء منخفض: إيقاف الحبيبات والتوهج */
body.q-low .grain,body.q-low .vig{display:none}
@media (prefers-reduced-motion:reduce){
  .toast-item,.dlg-tap{animation:none}
}
/* RTL fixes */
html[dir=rtl] .menu-btns{text-align:right}
html[dir=ltr] .hud-mission{text-align:left}
html[dir=ltr] .ls-card{text-align:left}
html[dir=ltr] body{font-family:'CairoXL','CairoX',sans-serif}
.btn:focus-visible,.tbtn:focus-visible,.ab:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
button{font-variant-numeric:tabular-nums}
.panel::-webkit-scrollbar{width:8px}
.panel::-webkit-scrollbar-thumb{background:rgba(255,255,255,.18);border-radius:8px}