/* ==========================================================================
   AR Kartvizit — kart takibi ekrani (gorunum)

   Bu sayfada arka plan KAMERA GORUNTUSU. Bu yuzden her sey saydam katmanlar
   halinde ustune biniyor.
   ========================================================================== */

:root {
  --vurgu: #60a5fa;
  --yazi:  #f1f5f9;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;                 /* sayfa kaymasin, AR sabit dursun */
  color: var(--yazi);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  overscroll-behavior: none;
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

/* --------------------------------------------------------------------------
   KAMERA GORUNTUSU — burasi kritik, dikkatli degistir

   MindAR kamera goruntusunu bir <video> etiketiyle dogrudan <body> icine
   koyar ve "z-index: -2" verir. Yani her seyin ARKASINDA cizilir.

   Tarayicinin boyama sirasi soyle:
     1) html'in arka plani
     2) negatif z-index'li ogeler   <-- KAMERA BURADA
     3) body'nin arka plani         <-- buraya renk verirsen kamerayi kapatir
     4) sayfadaki diger icerik

   Bu yuzden html ve body'ye arka plan rengi VERMIYORUZ. Karartma gerektiginde
   (yukleniyor/hata ekranlari) rengi o katmanlara veriyoruz.
   -------------------------------------------------------------------------- */
html { background: #000; }          /* kamera acilana kadar gorunen zemin */
body { background: transparent; }   /* SEFFAF KALMALI - yoksa ekran siyah olur */

/* MindAR kamera goruntusunu ve tuvali kendisi yerlestirir */
a-scene { width: 100%; height: 100%; }

/* A-Frame kendi "VR" / "AR" giris butonlarini ekliyor. HTML'de
   vr-mode-ui="enabled: false" yazsak da bazi durumlarda yine ciziyor.
   Son kullanici bunlari gormemeli - kesin cozum olarak gizliyoruz. */
.a-enter-vr,
.a-enter-ar,
.a-orientation-modal { display: none !important; }

/* --------------------------- KATMANLAR --------------------------- */
.katman {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 22px;
  padding: 24px;
  text-align: center;
  pointer-events: none;             /* kamera goruntusunu engellemesin */
  transition: opacity 0.35s ease;
}
.katman p {
  margin: 0;
  font-size: 15px;
  font-weight: 500;
  color: var(--yazi);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.9);
}
.gizli { opacity: 0; pointer-events: none !important; visibility: hidden; }

/* Yukleniyor ekraninin arkasi kapali olsun */
#yukleniyor { background: #0b0f1a; }

/* Donen halka */
.halka {
  width: 38px;
  height: 38px;
  border: 3px solid rgba(255, 255, 255, 0.15);
  border-top-color: var(--vurgu);
  border-radius: 50%;
  animation: don 0.9s linear infinite;
}
@keyframes don { to { transform: rotate(360deg); } }

/* --------------------------- TARAMA CERCEVESI --------------------------- */
/* Kartin nereye tutulacagini gosteren dort kose isareti */
.cerceve {
  position: relative;
  width: min(76vw, 330px);
  aspect-ratio: 85 / 55;            /* kartvizit orani */
}
.cerceve span {
  position: absolute;
  width: 30px;
  height: 30px;
  border: 3px solid var(--vurgu);
  opacity: 0.95;
  animation: nabiz 2s ease-in-out infinite;
}
.cerceve span:nth-child(1) { top: 0; left: 0;  border-right: 0; border-bottom: 0; border-radius: 8px 0 0 0; }
.cerceve span:nth-child(2) { top: 0; right: 0; border-left: 0;  border-bottom: 0; border-radius: 0 8px 0 0; }
.cerceve span:nth-child(3) { bottom: 0; left: 0;  border-right: 0; border-top: 0; border-radius: 0 0 0 8px; }
.cerceve span:nth-child(4) { bottom: 0; right: 0; border-left: 0;  border-top: 0; border-radius: 0 0 8px 0; }

@keyframes nabiz {
  0%, 100% { opacity: 0.45; }
  50%      { opacity: 1; }
}
@media (prefers-reduced-motion: reduce) {
  .cerceve span { animation: none; }
  .halka { animation-duration: 2s; }
}

/* --------------------------- HATA --------------------------- */
#hata { background: #0b0f1a; }
#hata p {
  max-width: 34ch;
  line-height: 1.6;
  color: #fca5a5;
}

/* ---------------------------- YONETICI GIRISI -----------------------------
   BU GERCEK BIR GUVENLIK DEGILDIR. Sifre kart-uygulama.js icinde acik
   yazili ve sayfa kaynagindan okunabilir. Amaci siradan ziyaretcinin
   kalibrasyon surgulerini bozmasini onlemek. Gercek koruma sunucu tarafi
   dogrulama ister. */

#girisDugmesi {
  position: fixed;
  top: calc(env(safe-area-inset-top) + 10px);
  right: 10px;
  z-index: 60;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 10px;
  background: rgba(11, 15, 26, 0.55);
  color: var(--yazi);
  backdrop-filter: blur(6px);
  cursor: pointer;
}

/* .katman kendisi seffaf; giris ekraninin arkasi kapali olsun ki
   arkadaki surgulere yanlislikla dokunulmasin */
#girisEkrani { background: rgba(11, 15, 26, 0.82); z-index: 70; }

#girisFormu {
  width: min(300px, calc(100vw - 40px));
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 14px;
  background: rgba(20, 26, 38, 0.95);
}
#girisFormu strong { font-size: 14px; color: var(--yazi); }
#girisFormu input {
  padding: 10px 12px;
  font-size: 15px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--yazi);
}
#girisUyari {
  margin: 0;
  font-size: 12px;
  color: #fca5a5;
  min-height: 15px;            /* uyari cikip kaybolunca form ziplamasin */
}
.giris-dugmeler { display: flex; gap: 8px; }
.giris-dugmeler button {
  flex: 1;
  padding: 10px;
  font-size: 14px;
  font-weight: 600;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  background: var(--vurgu);
  color: #0b0f1a;
}
.giris-dugmeler button.ikincil {
  background: transparent;
  color: var(--yazi);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

/* --------------------------- KALIBRASYON PANELI --------------------------- */
/* Son kullanici bunu gormez; yonetici girisi basarili olunca acilir. */
#panel {
  position: fixed;
  left: 10px;
  right: 10px;
  bottom: calc(env(safe-area-inset-bottom) + 10px);
  z-index: 50;

  /* Panel ekranin yarisindan fazlasini kaplamamali; yoksa kalibre ederken
     modeli goremezsin. Ust kisim AR goruntusune ayrilmis durumda. */
  max-height: 44vh;
  overflow-y: auto;
  padding: 12px 14px;

  background: rgba(11, 15, 26, 0.88);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 14px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);

  font-size: 13px;
}
#panel.kucuk #surguler,
#panel.kucuk .panel-alt,
#panel.kucuk #kaydetDurum { display: none; }

.panel-ust {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.panel-ust strong { font-size: 13px; letter-spacing: 0.02em; }
.panel-ust button {
  width: 28px; height: 28px;
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 8px;
  background: transparent;
  color: var(--yazi);
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
}

/* Bir surgu satiri: etiket + kaydirici + sayi */
.surgu {
  display: grid;
  grid-template-columns: 58px 1fr 56px;
  align-items: center;
  gap: 8px;
  margin-bottom: 7px;
}
.surgu label { color: #94a3b8; font-size: 12px; }
.surgu input[type="range"] {
  width: 100%;
  accent-color: var(--vurgu);
  height: 22px;
}
.surgu output {
  font-family: ui-monospace, Consolas, monospace;
  font-size: 12px;
  text-align: right;
  color: var(--yazi);
}

.ayirac {
  margin: 10px 0 7px;
  color: var(--vurgu);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

/* Ac/kapa kutucugu. Dokunma alani parmak icin yeterli olsun diye
   satirin tamami <label>: yaziya dokunmak da kutucugu degistirir. */
.onay {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 5px 0;
  font-size: 13px;
  color: var(--yazi);
  cursor: pointer;
}
.onay input {
  width: 18px;
  height: 18px;
  accent-color: var(--vurgu);
  flex: 0 0 18px;
}

.secim {
  display: grid;
  grid-template-columns: 58px 1fr;
  align-items: center;
  gap: 8px;
  margin-bottom: 7px;
}
.secim label { color: #94a3b8; font-size: 12px; }
.secim select {
  width: 100%;
  padding: 6px 8px;
  background: #141b2e;
  color: var(--yazi);
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 8px;
  font-family: inherit;
  font-size: 13px;
}

.panel-alt {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}
.panel-alt button {
  flex: 1;
  padding: 11px;
  border: 0;
  border-radius: 10px;
  background: var(--vurgu);
  color: #06101f;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
.panel-alt button.ikincil {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--yazi);
  flex: 0 0 90px;
}
.panel-alt button:active { transform: scale(0.98); }

#kaydetDurum {
  margin: 9px 0 0;
  font-size: 12px;
  min-height: 16px;
  color: #4ade80;
}
#kaydetDurum.hata { color: #f87171; }

/* ==========================================================================
   EGZERSIZ SECIM SERIDI  (musteri ekrani, alt kisim)

   Uc egzersiz arasinda gecis. Icerik JS tarafindan uretiliyor.

   DIKKAT - pointer-events:
   Seridin KAPSAYICISI dokunusa kapali (none), yalnizca dugmeler acik (auto).
   Sebep: kapsayici ekranin tum genisligini kapliyor; acik birakilirsa
   dugmelerin YANINDAKI bos alana dokunmak modele gitmez ve parmakla
   dondurme/tasima o seritte olu bolge olurdu.
   ========================================================================== */

#egzersizSerit {
  position: fixed;
  left: 0;
  right: 0;
  bottom: calc(env(safe-area-inset-bottom, 0px) + 14px);
  z-index: 20;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  pointer-events: none;
}

#egzersizSerit.gizli { display: none; }

#egzersizAd {
  margin: 0;
  padding: 6px 16px;
  border-radius: 999px;
  font: 600 15px/1 system-ui, -apple-system, "Segoe UI", sans-serif;
  letter-spacing: 0.02em;
  color: var(--yazi);
  background: rgba(11, 15, 26, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(10px);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.9);
}

#egzersizAd:empty { display: none; }

#egzersizDugmeler {
  display: flex;
  gap: 12px;
  pointer-events: auto;
}

.egzersiz-dugme {
  width: 62px;
  height: 62px;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  border-radius: 18px;
  cursor: pointer;
  color: var(--yazi);
  background: rgba(11, 15, 26, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
  -webkit-tap-highlight-color: transparent;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.egzersiz-dugme svg { width: 26px; height: 26px; }

.egzersiz-dugme b {
  font: 700 11px/1 system-ui, -apple-system, "Segoe UI", sans-serif;
  opacity: 0.7;
}

.egzersiz-dugme.secili {
  color: #0b0f1a;
  background: var(--vurgu);
  border-color: rgba(255, 255, 255, 0.4);
  transform: translateY(-4px);
}

.egzersiz-dugme.secili b { opacity: 0.85; }

.egzersiz-dugme:active { transform: scale(0.94); }
.egzersiz-dugme.secili:active { transform: translateY(-4px) scale(0.94); }
