/* ============================================================
   Oyun kabuğu için stil sayfası. Oyunun adı bu proje içinde hiçbir yerde
   yazılı değildir, yalnızca game.js içindeki GAME.title hariç — oradaki
   nota bakın.
   Kabuk, HUD ve kaplamalar. Oyun alanının kendisi canvas ile çizilir.
   ============================================================ */

:root{
  --bg-0:#04050d;
  --bg-1:#0a0c20;
  --violet:#a06cff;
  --cyan:#2ee6ff;
  --orange:#ff963c;
  --danger:#ff2d6f;
  --ink:#e8ecff;
  --ink-dim:rgba(232,236,255,.56);
  --glass-line:rgba(160,190,255,.18);
  --ui-font:"SF Pro Display",-apple-system,BlinkMacSystemFont,"Segoe UI Variable Display","Segoe UI",Inter,Roboto,system-ui,sans-serif;
}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;}

html,body{
  height:100%;
  margin:0;
  overflow:hidden;
  background:var(--bg-0);
  color:var(--ink);
  font-family:var(--ui-font);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
  overscroll-behavior:none;
  touch-action:none;
  user-select:none;
  -webkit-user-select:none;
}

body{
  position:fixed;
  inset:0;
  display:grid;
  place-items:center;
}

/* ---------- Uygulama çerçevesi + ortam ışığı ---------- */

#app{
  position:relative;
  width:100%;
  height:100%;
  display:grid;
  place-items:center;
  background:
    radial-gradient(60% 45% at 8% 12%, rgba(91,43,214,.42) 0%, transparent 70%),
    radial-gradient(55% 40% at 96% 38%, rgba(15,106,209,.34) 0%, transparent 72%),
    radial-gradient(70% 45% at 60% 104%, rgba(196,31,122,.20) 0%, transparent 70%),
    radial-gradient(120% 80% at 50% -10%, #1b1640 0%, transparent 60%),
    linear-gradient(180deg,var(--bg-1) 0%, var(--bg-0) 100%);
  padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

/* Burada animasyonlu blur katmanı yok: bu, her karede yeniden oluşturulan
   büyük bir GPU dokusu olurdu. Aynı görünüm yukarıdaki #app gradyanlarına
   tek seferde çizildi. */

/* ---------- Sadece masaüstünde görünen yan işaret ---------- */

.deskmark{
  position:absolute;
  left:clamp(24px,5vw,80px);
  top:50%;
  transform:translateY(-50%);
  display:none;
  flex-direction:column;
  gap:10px;
  pointer-events:none;
  animation:markIn 1.4s cubic-bezier(.16,.9,.24,1) .3s both;
}
@keyframes markIn{from{opacity:0;transform:translateY(-50%) translateX(-18px)}to{opacity:1}}
.dm-name{
  font-size:clamp(38px,5vw,76px);
  font-weight:200;
  letter-spacing:.34em;
  line-height:1;
  background:linear-gradient(180deg,#fff 10%,#b98cff 65%,#3f8cff 100%);
  -webkit-background-clip:text;background-clip:text;
  color:transparent;
  filter:drop-shadow(0 0 30px rgba(160,108,255,.45));
}
/* İki açıklama satırı, sahnenin yanındaki boşlukla sınırlıdır ve satır
   kaydırmaya izin verir. Bir cümlelik metin taşırlar ve bu cümlenin
   uzunluğu tamamen yazıldığı dile bağlıdır — belirli bir metne göre
   boyutlandırıldıkları için, metin değiştiği an oyun alanının altına
   taşabilirler. */
.dm-sub,.dm-keys{max-width:clamp(150px,17vw,300px);line-height:1.6;}
.dm-sub{
  font-size:12px;letter-spacing:.34em;text-transform:uppercase;
  color:rgba(226,232,255,.42);
}
.dm-keys{
  margin-top:6px;
  font-size:11px;letter-spacing:.14em;
  color:rgba(226,232,255,.26);
}
@media (min-width:900px) and (min-aspect-ratio:1/1){
  .deskmark{display:flex;}
}

/* ---------- Sahne (9:16) ---------- */

#stage{
  /* boyut viewport'tan alınır, asla yüzdeden değil: buradaki bir yüzde
     yükseklik, ortalayan grid içinde belirsiz kalır ve canvas'ın doğal
     540x960 boyutuna çöker, bu da pencereyi taşırır. */
  --avail-w:calc(100vw - env(safe-area-inset-left,0px) - env(safe-area-inset-right,0px));
  --avail-h:calc(100vh - env(safe-area-inset-top,0px) - env(safe-area-inset-bottom,0px));
  position:relative;
  width:min(var(--avail-w), calc(var(--avail-h) * 9 / 16));
  height:min(var(--avail-h), calc(var(--avail-w) * 16 / 9));
  border-radius:clamp(14px,3.2vmin,30px);
  overflow:hidden;
  isolation:isolate;
  background:#05060f;
  box-shadow:
    0 0 0 1px rgba(150,175,255,.14),
    0 0 60px rgba(90,60,220,.30),
    0 30px 90px rgba(0,0,0,.65);
}

/* bunu destekleyen mobil tarayıcılarda dinamik viewport yüksekliği,
   böylece URL çubuğu kapandığında sahne zıplamaz */
@supports (height:100dvh){
  #stage{--avail-h:calc(100dvh - env(safe-area-inset-top,0px) - env(safe-area-inset-bottom,0px));}
}

#game{
  display:block;
  width:100%;
  height:100%;
  touch-action:none;
}

#ui{position:absolute;inset:0;pointer-events:none;}

/* ---------- HUD ---------- */

#hud{
  position:absolute;
  top:clamp(8px,1.6vmin,16px);
  left:clamp(8px,1.8vmin,16px);
  right:clamp(8px,1.8vmin,16px);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:clamp(7px,1.3vmin,11px) clamp(9px,1.6vmin,14px);
  border-radius:999px;
  /* backdrop-filter yok: bu, oyunun yeniden çizdiği her karede canvas'ın bir
     anlık görüntüsünü yeniden bulanıklaştırırdı. Katmanlı yarı saydamlık aynı
     görünümü verir ve hiçbir maliyeti yoktur. */
  background:
    linear-gradient(180deg,rgba(150,175,255,.13),rgba(80,100,210,.07)),
    rgba(10,13,34,.62);
  border:1px solid var(--glass-line);
  box-shadow:0 6px 24px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.10);
  pointer-events:auto;
  opacity:0;
  transform:translateY(-14px);
  animation:hudIn .7s cubic-bezier(.2,.9,.25,1) .15s forwards;
}
@keyframes hudIn{to{opacity:1;transform:none}}

.hud-main{flex:1;min-width:0;}
.hud-row{
  display:flex;
  align-items:baseline;
  gap:.34em;
  font-size:clamp(10px,2.05vmin,15px);
  font-weight:650;
  letter-spacing:.14em;
  line-height:1;
}
.hud-key{color:var(--ink-dim);font-size:.72em;letter-spacing:.24em;}
#levelNum{color:#fff;text-shadow:0 0 14px rgba(160,110,255,.85);}
.hud-sep{color:rgba(232,236,255,.3);}
.hud-tot{color:var(--ink-dim);}
#levelName{
  margin-left:.5em;
  font-size:.74em;
  letter-spacing:.2em;
  color:rgba(46,230,255,.8);
  text-shadow:0 0 12px rgba(46,230,255,.4);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}

#progress{
  margin-top:clamp(5px,.9vmin,8px);
  height:3px;
  border-radius:99px;
  background:rgba(180,200,255,.13);
  overflow:hidden;
}
#progressFill{
  display:block;
  height:100%;
  width:12.5%;
  border-radius:99px;
  background:linear-gradient(90deg,var(--violet),var(--cyan));
  box-shadow:0 0 12px rgba(80,200,255,.75);
  transition:width .5s cubic-bezier(.3,.9,.25,1);
}

/* Sadece iki yuvarlak buton, başka bir şey yok — buraya bir sıçrama sayacı
   eklemek, dar bir telefonda bölüm adının üç nokta ile kısaltılmasına
   yol açardı. */
.hud-side{display:flex;align-items:center;gap:clamp(6px,1.1vmin,10px);flex:none;}


/* Dokunma hedefleri: görünen nokta küçük ve düzenli kalır, ancak dolgulu
   pseudo-element sayesinde tıklanabilir alan asla ~44px'in altına inmez. */
.hud-btn{
  position:relative;
  width:clamp(30px,5vmin,38px);
  height:clamp(30px,5vmin,38px);
  display:grid;place-items:center;
  border-radius:50%;
  border:1px solid rgba(46,230,255,.32);
  background:rgba(46,230,255,.1);
  color:var(--cyan);
  cursor:pointer;
  padding:0;
  flex:none;
  transition:transform .2s cubic-bezier(.2,1.5,.4,1), background .25s, box-shadow .25s;
}
.hud-btn::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  width:44px;height:44px;
  transform:translate(-50%,-50%);
}
.hud-btn svg{width:60%;height:60%;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;}
.hud-btn:hover{background:rgba(46,230,255,.2);box-shadow:0 0 18px rgba(46,230,255,.4);}
.hud-btn:active{transform:scale(.9);}
#restartBtn:active{transform:scale(.88) rotate(-160deg);}
#soundBtn{border-color:rgba(160,108,255,.34);background:rgba(160,108,255,.12);color:#c9a6ff;}
#soundBtn:hover{background:rgba(160,108,255,.22);box-shadow:0 0 18px rgba(160,108,255,.4);}
#soundBtn .ic-off{display:none;}
#soundBtn.muted{color:rgba(226,232,255,.45);border-color:rgba(226,232,255,.2);background:rgba(226,232,255,.07);}
#soundBtn.muted .ic-on{display:none;}
#soundBtn.muted .ic-off{display:block;}

/* ---------- Bölüm afişi ---------- */

#banner{
  position:absolute;
  top:38%;
  left:0;right:0;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:clamp(6px,1.2vmin,12px);
  opacity:0;
  pointer-events:none;
}
#banner.show{animation:bannerIn 2.35s cubic-bezier(.2,.8,.25,1) forwards;}
/* sadece opacity + transform: burada filter:blur() animasyonu, zaten
   yeniden çizilmekte olan oyun alanının üzerinde afişi her karede yeniden
   rasterize ederdi. */
@keyframes bannerIn{
  0%{opacity:0;transform:translateY(18px) scale(.92)}
  16%{opacity:1;transform:none}
  72%{opacity:1;transform:none}
  100%{opacity:0;transform:translateY(-16px) scale(1.04)}
}
.banner-num{
  font-size:clamp(34px,10vmin,76px);
  font-weight:200;
  letter-spacing:.16em;
  line-height:.9;
  color:rgba(255,255,255,.95);
  text-shadow:0 0 34px rgba(160,108,255,.75),0 0 90px rgba(46,230,255,.35);
}
.banner-line{
  width:clamp(46px,14vmin,120px);height:1px;
  background:linear-gradient(90deg,transparent,rgba(46,230,255,.9),transparent);
  box-shadow:0 0 12px rgba(46,230,255,.7);
}
.banner-name{
  font-size:clamp(11px,2.5vmin,19px);
  font-weight:600;
  letter-spacing:.52em;
  text-indent:.52em;
  color:rgba(226,232,255,.82);
}

/* ---------- İpucu + bildirim ---------- */

#hint{
  position:absolute;
  left:50%;
  bottom:clamp(16px,4.4vmin,40px);
  transform:translateX(-50%);
  padding:clamp(7px,1.3vmin,11px) clamp(13px,2.4vmin,22px);
  border-radius:999px;
  background:rgba(12,16,40,.72);
  border:1px solid var(--glass-line);
  font-size:clamp(10px,2vmin,15px);
  font-weight:500;
  letter-spacing:.1em;
  color:rgba(232,236,255,.88);
  width:max-content;
  max-width:calc(100% - 24px);
  white-space:normal;
  text-align:center;
  line-height:1.45;
  transition:opacity .45s ease, transform .45s cubic-bezier(.2,.9,.25,1);
}
#hint.hidden{opacity:0;transform:translateX(-50%) translateY(10px);}

#toast{
  position:absolute;
  left:50%;
  top:clamp(58px,11vmin,110px);
  transform:translateX(-50%);
  padding:clamp(5px,1vmin,9px) clamp(11px,2vmin,18px);
  border-radius:999px;
  font-size:clamp(9px,1.85vmin,14px);
  font-weight:650;
  letter-spacing:.2em;
  color:#fff;
  background:linear-gradient(180deg,rgba(255,45,110,.22),rgba(255,45,110,.12)),rgba(14,8,24,.72);
  border:1px solid rgba(255,45,110,.42);
  white-space:nowrap;
}
/* Varsayılan bildirim başarısızlık kırmızısıdır. `info`, oyuncunun
   endişelenmek yerine sadece okuması gereken bir şey için aynı şeklin
   sıradan renk paletiyle kullanılmış halidir. */
#toast.info{
  background:linear-gradient(180deg,rgba(150,175,255,.2),rgba(80,100,210,.1)),rgba(12,10,30,.74);
  border-color:rgba(160,108,255,.42);
}
#toast.hidden{opacity:0;}
#toast.show{animation:toastIn 1.6s cubic-bezier(.2,.9,.25,1) forwards;}
/* Başarısızlık metni bir ekran değil, bir etikettir: bir saniyeden kısa
   sürede belirir ve kaybolur. */
#toast.quick{animation:toastQuick .9s cubic-bezier(.2,.9,.25,1) forwards;}
@keyframes toastQuick{
  0%{opacity:0;transform:translateX(-50%) translateY(-6px) scale(.9)}
  12%{opacity:1;transform:translateX(-50%) translateY(0) scale(1)}
  70%{opacity:1;transform:translateX(-50%) translateY(0) scale(1)}
  100%{opacity:0;transform:translateX(-50%) translateY(-4px) scale(1)}
}
@keyframes toastIn{
  0%{opacity:0;transform:translateX(-50%) translateY(-10px) scale(.94)}
  14%{opacity:1;transform:translateX(-50%) translateY(0) scale(1)}
  74%{opacity:1;transform:translateX(-50%) translateY(0) scale(1)}
  100%{opacity:0;transform:translateX(-50%) translateY(-8px) scale(1)}
}

/* ---------- FPS göstergesi (F ile açılıp kapanır) ---------- */

#fps{
  position:absolute;
  left:50%;
  top:clamp(56px,10.5vmin,104px);
  transform:translateX(-50%);
  padding:3px 10px;
  border-radius:999px;
  background:rgba(8,10,26,.72);
  border:1px solid var(--glass-line);
  font-size:11px;
  font-weight:650;
  letter-spacing:.12em;
  color:rgba(226,232,255,.8);
  white-space:nowrap;
}
#fps.hidden{display:none;}

/* ---------- Bitiş kartı ---------- */

#endCard{
  position:absolute;inset:0;
  display:grid;place-items:center;
  background:radial-gradient(72% 52% at 50% 42%, rgba(26,15,62,.55), rgba(4,5,14,.88));
  backdrop-filter:blur(14px) saturate(1.4) brightness(1.12);
  -webkit-backdrop-filter:blur(14px) saturate(1.4) brightness(1.12);
  pointer-events:auto;
  z-index:5;
  transition:opacity .7s ease;
}
#endCard.hidden{opacity:0;visibility:hidden;pointer-events:none;}
#endCard.hidden *,#endCard.hidden *::before,#endCard.hidden *::after{
  animation-play-state:paused;
}

.end-glow{
  position:absolute;
  width:88%;aspect-ratio:1;
  border-radius:50%;
  background:conic-gradient(from 0deg,rgba(160,108,255,.55),rgba(46,230,255,.5),rgba(255,45,110,.3),rgba(255,150,60,.24),rgba(160,108,255,.55));
  filter:blur(58px);
  animation:spin 22s linear infinite;
}
.end-glow::after{
  content:"";
  position:absolute;inset:14%;
  border-radius:50%;
  background:conic-gradient(from 180deg,rgba(46,230,255,.42),transparent 45%,rgba(160,108,255,.42),transparent 90%);
  filter:blur(40px);
  animation:spin 15s linear infinite reverse;
}
@keyframes spin{to{transform:rotate(360deg)}}

.end-inner{
  position:relative;
  display:flex;flex-direction:column;align-items:center;
  gap:clamp(8px,1.6vmin,16px);
  text-align:center;
  animation:endIn .95s cubic-bezier(.16,.9,.24,1) both;
}
@keyframes endIn{from{opacity:0;transform:translateY(24px) scale(.95);filter:blur(10px)}to{opacity:1;transform:none;filter:blur(0)}}

.end-orb{
  position:relative;
  width:clamp(86px,22vmin,150px);
  aspect-ratio:1;
  margin-bottom:clamp(4px,1.2vmin,12px);
  animation:float 5.2s ease-in-out infinite;
}
@keyframes float{0%,100%{transform:translateY(-5px)}50%{transform:translateY(7px)}}

.end-orb .core{
  position:absolute;inset:16%;
  border-radius:50%;
  background:
    radial-gradient(circle at 36% 32%, #ffffff 0%, rgba(255,255,255,.9) 12%, rgba(196,150,255,.92) 34%, rgba(126,64,236,.85) 62%, rgba(60,20,140,.45) 82%, rgba(40,10,110,0) 100%);
  box-shadow:0 0 42px rgba(160,108,255,.85), 0 0 110px rgba(80,40,200,.55), inset 0 0 26px rgba(255,255,255,.35);
  animation:pulseCore 3.1s ease-in-out infinite;
}
@keyframes pulseCore{0%,100%{transform:scale(1);filter:brightness(1)}50%{transform:scale(1.045);filter:brightness(1.16)}}

.end-orb .ring{
  position:absolute;inset:0;
  border-radius:50%;
  border:1px solid rgba(46,230,255,.45);
  box-shadow:0 0 22px rgba(46,230,255,.35), inset 0 0 22px rgba(46,230,255,.18);
}
.end-orb .r1{animation:ringPulse 3.6s ease-in-out infinite;}
.end-orb .r2{inset:-11%;border-color:rgba(160,108,255,.3);animation:ringPulse 3.6s ease-in-out .9s infinite reverse;}
@keyframes ringPulse{0%,100%{transform:scale(1);opacity:.85}50%{transform:scale(1.09);opacity:.4}}

.end-orb .spark{
  position:absolute;top:50%;left:50%;
  width:4px;height:4px;margin:-2px;
  border-radius:50%;
  background:#fff;
  box-shadow:0 0 10px rgba(46,230,255,.95);
}
.end-orb .s1{animation:orbit 4.6s linear infinite;}
.end-orb .s2{animation:orbit 6.4s linear infinite reverse;background:#ffd9a0;box-shadow:0 0 10px rgba(255,150,60,.9);}
.end-orb .s3{animation:orbit 5.5s linear -2s infinite;background:#d8c0ff;box-shadow:0 0 10px rgba(160,108,255,.95);}
@keyframes orbit{
  from{transform:rotate(0deg) translateX(clamp(46px,11.5vmin,78px)) rotate(0deg)}
  to{transform:rotate(360deg) translateX(clamp(46px,11.5vmin,78px)) rotate(-360deg)}
}

#endCard h1{
  margin:0;
  font-size:clamp(42px,13vmin,96px);
  font-weight:200;
  letter-spacing:.3em;
  text-indent:.3em;
  line-height:1;
  background:linear-gradient(180deg,#ffffff 20%,#b98cff 70%,#5a9dff 100%);
  -webkit-background-clip:text;background-clip:text;
  color:transparent;
  filter:drop-shadow(0 0 28px rgba(160,108,255,.6));
}
.end-sub{
  margin:0;
  font-size:clamp(10px,2.1vmin,15px);
  font-weight:500;
  letter-spacing:.42em;
  text-indent:.42em;
  color:rgba(226,232,255,.6);
}

.end-stats{
  display:flex;
  gap:clamp(14px,3.4vmin,34px);
  margin-top:clamp(4px,1vmin,10px);
}
.end-stats div{display:flex;flex-direction:column;align-items:center;gap:.35em;}
.end-stats span{
  font-size:clamp(17px,4vmin,30px);
  font-weight:300;
  color:#fff;
  text-shadow:0 0 18px rgba(46,230,255,.5);
}
.end-stats em{
  font-style:normal;
  font-size:clamp(8px,1.5vmin,11px);
  letter-spacing:.24em;
  color:rgba(232,236,255,.42);
  text-transform:uppercase;
}

#endRestart{
  margin-top:clamp(8px,2vmin,20px);
  padding:clamp(10px,1.9vmin,16px) clamp(28px,6vmin,52px);
  border-radius:999px;
  border:1px solid rgba(46,230,255,.45);
  background:linear-gradient(180deg,rgba(46,230,255,.22),rgba(160,108,255,.18));
  color:#fff;
  font-family:inherit;
  font-size:clamp(11px,2.1vmin,16px);
  font-weight:650;
  letter-spacing:.28em;
  text-indent:.28em;
  cursor:pointer;
  box-shadow:0 0 28px rgba(46,230,255,.3), inset 0 1px 0 rgba(255,255,255,.22);
  transition:transform .25s cubic-bezier(.2,1.5,.4,1), box-shadow .25s, background .25s;
}
#endRestart:hover{box-shadow:0 0 44px rgba(46,230,255,.5), inset 0 1px 0 rgba(255,255,255,.3);transform:translateY(-2px);}
#endRestart:active{transform:scale(.95);}

.hidden{opacity:0;pointer-events:none;}

@media (prefers-reduced-motion:reduce){
  .blob,.end-glow,.end-orb,.end-orb .spark,.end-orb .core,.end-orb .ring{animation:none!important;}
}
/* Menüler, küçük yatay ekranlarda yerel butonları ve kaydırmayı korur. */
#menuCard{position:absolute;inset:0;z-index:6;display:grid;place-items:center;background:radial-gradient(ellipse at 50% 20%,#24224beF,#060917fa);overflow-y:auto;touch-action:pan-y;padding:24px 18px;}
#menuCard.hidden{display:none;}
.menu-inner{width:100%;max-width:420px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:12px;}
.menu-symbol{font-size:54px;color:#a9eaff;text-shadow:0 0 28px #8c6cff;}
#menuTitle,#endCard h1{font-size:clamp(18px,4.6vmin,34px);letter-spacing:.08em;overflow-wrap:anywhere;max-width:95%;line-height:1.3;}
.menu-inner p{color:#bbc5dc;font-size:13px;margin:0 0 14px;}
.menu-inner button,#endSelect{min-height:44px;padding:12px 18px;border:1px solid #7686bd66;border-radius:16px;background:#4a519f26;color:#e9f5ff;font:600 12px var(--ui-font);letter-spacing:.08em;cursor:pointer;touch-action:manipulation;}
.menu-inner>button{width:85%;}
.menu-inner button:disabled{color:#697289;border-color:#59617533;cursor:default;}
button:focus-visible{outline:2px solid #94edff;outline-offset:3px;}
#levelGrid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;width:100%;}
#levelGrid button{padding:10px 4px;min-height:48px;font-size:10px;}
#levelGrid.hidden,#menuBack.hidden{display:none;}
.dm-name{max-width:clamp(150px,20vw,340px);font-size:clamp(18px,2.2vw,34px);letter-spacing:.06em;overflow-wrap:anywhere;}
.hud-btn{width:36px;height:36px;}
.hud-side{gap:8px;}
@media(max-height:500px){#menuCard{position:fixed;z-index:10;}.menu-inner{max-width:540px;}#levelGrid{grid-template-columns:repeat(5,1fr);}.menu-symbol{display:none;}}
.end-stats [hidden]{display:none;}