/* Giriş kapısı — oturum yokken tek katman, zoom/transform yok, arka ekran sızıntısı yok */

html:not(.nova-has-session),
html:not(.nova-has-session) body {
  zoom: 1 !important;
  transform: none !important;
  transform-origin: top left !important;
  width: 100% !important;
  max-width: none !important;
  overflow: hidden !important;
  min-height: 100dvh;
}

html:not(.nova-has-session) body {
  display: block !important;
  padding: 0 !important;
  margin: 0 !important;
  background: #071428 !important;
  animation: none !important;
}

/* Oturum yokken: login dışı her şey gizli (eski ekran / buton / görsel artıkları) */
html:not(.nova-has-session) body > *:not(#student-selection-screen):not(#registrationOverlay):not(#verificationOverlay):not(script):not(style):not(link):not(.nova-game-select__menu) {
  display: none !important;
  visibility: hidden !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

html:not(.nova-has-session) #nova-main-gate,
html:not(.nova-has-session) #main-screen,
html:not(.nova-has-session) #result-back-btn {
  display: none !important;
  visibility: hidden !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

html:not(.nova-has-session) body.nova-sprite-boot-active #nova-main-gate {
  display: none !important;
  visibility: hidden !important;
}

html:not(.nova-has-session) #student-selection-screen.nova-login-arena {
  position: fixed !important;
  inset: 0 !important;
  z-index: 99990 !important;
  display: flex !important;
  visibility: visible !important;
  opacity: 1 !important;
  zoom: 1 !important;
  transform: none !important;
  isolation: isolate;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  background:
    radial-gradient(ellipse 80% 50% at 50% 18%, rgba(80, 160, 220, 0.28) 0%, transparent 58%),
    linear-gradient(180deg, #0a1c34 0%, #071428 55%, #04101f 100%) !important;
}

html:not(.nova-has-session) #student-selection-screen .nova-login-arena__shell,
html:not(.nova-has-session) #student-selection-screen .nova-login-arena__panel,
html:not(.nova-has-session) #student-selection-screen input,
html:not(.nova-has-session) #student-selection-screen select,
html:not(.nova-has-session) #student-selection-screen button {
  transform: none !important;
  zoom: 1 !important;
}

/* Açılır menü body'ye taşındığında giriş katmanının ÜSTÜNDE olmalı */
html:not(.nova-has-session) body > .nova-game-select__menu--fixed:not([hidden]),
html:not(.nova-has-session) body > .nova-game-select__menu--fixed.nova-game-select__menu--login:not([hidden]),
html:not(.nova-has-session) body > .nova-game-select__menu--fixed.nova-game-select__menu--register:not([hidden]),
body > .nova-game-select__menu--fixed.nova-game-select__menu--login:not([hidden]),
body > .nova-game-select__menu--fixed.nova-game-select__menu--register:not([hidden]) {
  display: block !important;
  visibility: visible !important;
  opacity: 1 !important;
  pointer-events: auto !important;
  z-index: 102500 !important;
}

html:not(.nova-has-session) #registrationOverlay {
  visibility: visible !important;
  opacity: 1 !important;
  pointer-events: auto !important;
  z-index: 102600 !important;
}

html:not(.nova-has-session) #verificationOverlay {
  visibility: visible !important;
  opacity: 1 !important;
  pointer-events: auto !important;
  z-index: 102700 !important;
}

#student-selection-screen.nova-game-form-dropdown-open .nova-login-arena__panel.card {
  overflow: visible !important;
}

#student-selection-screen .field--class:has(.nova-game-select--open),
#student-selection-screen .field:has(.nova-game-select--open) {
  z-index: 120 !important;
}

/* İlk kare: animasyonlar hazır olana kadar kapalı (eğik/katman flaşı yok) */
html:not(.nova-has-session):not(.nova-login-ready) #student-selection-screen .nova-login-arena__stars,
html:not(.nova-has-session):not(.nova-login-ready) #student-selection-screen .nova-login-arena__aurora,
html:not(.nova-has-session):not(.nova-login-ready) #student-selection-screen .nova-login-arena__orb,
html:not(.nova-has-session):not(.nova-login-ready) #student-selection-screen .nova-login-arena__logo-glow {
  animation: none !important;
  opacity: 0 !important;
}

html.nova-login-ready:not(.nova-has-session) #student-selection-screen .nova-login-arena__stars,
html.nova-login-ready:not(.nova-has-session) #student-selection-screen .nova-login-arena__aurora,
html.nova-login-ready:not(.nova-has-session) #student-selection-screen .nova-login-arena__orb,
html.nova-login-ready:not(.nova-has-session) #student-selection-screen .nova-login-arena__logo-glow {
  opacity: 1;
  transition: opacity 0.2s ease;
}

/* Akıcı mod girişte geçişleri kapatma kuralından muaf tut */
html:not(.nova-has-session) body.nova-perf-ultra #student-selection-screen,
html:not(.nova-has-session) body.nova-perf-ultra #student-selection-screen * {
  transition-property: border-color, box-shadow, background, color, opacity, transform !important;
}

/* ── Giriş: mobil + akıcı mod kompakt düzen ── */
@media (max-width: 900px) {
  html:not(.nova-has-session) #student-selection-screen .nova-login-arena__shell {
    align-content: start;
    gap: clamp(10px, 2.5vw, 16px);
    padding:
      max(10px, env(safe-area-inset-top))
      clamp(12px, 3.5vw, 18px)
      max(12px, env(safe-area-inset-bottom));
  }

  html:not(.nova-has-session) #student-selection-screen .nova-login-arena__brand {
    gap: 8px;
    padding: 0;
  }

  html:not(.nova-has-session) #student-selection-screen .nova-login-arena__brand-badge {
    padding: 5px 10px;
    font-size: 9px;
  }

  html:not(.nova-has-session) #student-selection-screen .nova-login-arena__title {
    font-size: clamp(28px, 7.2vw, 36px) !important;
    line-height: 1 !important;
    filter: drop-shadow(0 0 16px rgba(0, 240, 255, 0.35));
  }

  html:not(.nova-has-session) #student-selection-screen .nova-login-arena__tagline,
  html:not(.nova-has-session) #student-selection-screen .nova-login-arena__features,
  html:not(.nova-has-session) #student-selection-screen .nova-login-arena__duel-art,
  html:not(.nova-has-session) #student-selection-screen .nova-login-arena__publisher {
    display: none !important;
  }

  html:not(.nova-has-session) #student-selection-screen .nova-login-arena__panel.card {
    padding: clamp(14px, 3.6vw, 18px);
    gap: 12px;
    border-radius: 18px;
  }

  html:not(.nova-has-session) #student-selection-screen .nova-login-arena__panel-header h2 {
    font-size: clamp(17px, 4.2vw, 20px);
  }

  html:not(.nova-has-session) #student-selection-screen .nova-login-arena__panel-header h2 span {
    font-size: 11px;
  }

  html:not(.nova-has-session) #student-selection-screen .field {
    padding: 10px 12px;
    border-radius: 12px;
  }

  html:not(.nova-has-session) #student-selection-screen form {
    gap: 10px;
  }
}

html:not(.nova-has-session) body.nova-perf-ultra #student-selection-screen .nova-login-arena__shell {
  max-height: 100dvh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

html:not(.nova-has-session) body.nova-perf-ultra #student-selection-screen .nova-login-arena__logo-glow {
  opacity: 0.45 !important;
  filter: blur(16px);
}

html:not(.nova-has-session) body.nova-perf-ultra #student-selection-screen .nova-login-arena__orb {
  opacity: 0.28;
  filter: blur(28px);
}