/* ==========================================================================
   MES AKADEMİ — DİNAMİK ARKA PLAN & NEON BANNER TEMALARI (v1.0 2026 SOTA)
   6 Canlı Tema:
   1. neon_cyber     : Neon Cyber Arcade (Parlayan neon ışıklar & neon banner)
   2. cosmic_space   : Kozmik Derin Uzay (Nebula ve yıldız tozu)
   3. kids_world     : 3D Büyülü Oyun Dünyası (Renkli eğitsel metaverse)
   4. clean_crystal  : Kristal Aydınlık (Temiz, ferah, modern cam morfolojisi)
   5. emerald_nature : Zümrüt Doğa (Sakinleştirici odak modu)
   6. sunset_amber   : Kehribar Gün Batımı (Sıcak dinamik enerji)
   ========================================================================== */

/* --- 1. NEON BANNER ANİMASYONLARI --- */
@keyframes mes-neon-pulse {
  0%, 100% {
    text-shadow: 0 0 4px #06b6d4, 0 0 12px #06b6d4, 0 0 24px rgba(6,182,212,0.6);
    border-color: rgba(6, 182, 212, 0.7);
    box-shadow: 0 0 20px rgba(6, 182, 212, 0.3), inset 0 0 15px rgba(6, 182, 212, 0.15);
  }
  50% {
    text-shadow: 0 0 8px #a855f7, 0 0 18px #a855f7, 0 0 35px rgba(168,85,247,0.7);
    border-color: rgba(168, 85, 247, 0.85);
    box-shadow: 0 0 30px rgba(168, 85, 247, 0.4), inset 0 0 20px rgba(168, 85, 247, 0.2);
  }
}

@keyframes mes-neon-glow-text {
  0%, 100% {
    filter: drop-shadow(0 0 6px rgba(34, 211, 238, 0.85)) drop-shadow(0 0 15px rgba(59, 130, 246, 0.6));
  }
  50% {
    filter: drop-shadow(0 0 10px rgba(236, 72, 153, 0.85)) drop-shadow(0 0 20px rgba(168, 85, 247, 0.6));
  }
}

@keyframes mes-border-flow {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.mes-neon-banner {
  position: relative;
  overflow: hidden;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.94) 0%, rgba(30, 27, 75, 0.94) 50%, rgba(15, 23, 42, 0.94) 100%);
  border: 1.5px solid rgba(34, 211, 238, 0.6);
  box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.5), 0 0 25px rgba(6, 182, 212, 0.25);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(16px);
}

.mes-neon-banner:hover {
  box-shadow: 0 12px 36px -4px rgba(0, 0, 0, 0.6), 0 0 35px rgba(168, 85, 247, 0.4);
  border-color: rgba(168, 85, 247, 0.8);
}

.mes-neon-title {
  animation: mes-neon-glow-text 4s ease-in-out infinite;
}

.mes-neon-chip {
  animation: mes-neon-pulse 3s ease-in-out infinite;
}

/* --- 2. TEMALAR --- */

/* Ortak geçiş efekti */
#mes-hub-dynamic-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  transition: opacity 0.5s ease, background 0.5s ease;
}

#mes-hub-dynamic-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  transition: background 0.5s ease;
}

/* 2.1 NEON CYBER ARCADE */
html[data-mes-bg="neon_cyber"] #mes-hub-dynamic-bg {
  background: url('/assets/backgrounds/gaming_arena_bg.jpg') center center / cover no-repeat fixed !important;
  opacity: 0.92;
}
html[data-mes-bg="neon_cyber"] #mes-hub-dynamic-overlay {
  background: radial-gradient(circle at 50% 20%, rgba(15, 23, 42, 0.4) 0%, rgba(2, 6, 23, 0.85) 90%),
              linear-gradient(180deg, rgba(6, 182, 212, 0.08) 0%, rgba(168, 85, 247, 0.08) 100%) !important;
}
html[data-mes-bg="neon_cyber"] #hub-main-arena {
  background-color: #030712 !important;
}

/* 2.2 KOZMİK DERİN UZAY (Cosmic Deep Space) */
html[data-mes-bg="cosmic_space"] #mes-hub-dynamic-bg {
  background: radial-gradient(circle at 15% 25%, #312e81 0%, transparent 45%),
              radial-gradient(circle at 85% 75%, #4c1d95 0%, transparent 45%),
              radial-gradient(circle at 50% 50%, #0f172a 0%, #020617 100%) !important;
  opacity: 1;
}
html[data-mes-bg="cosmic_space"] #mes-hub-dynamic-overlay {
  background: radial-gradient(#818cf8 1px, transparent 1px) 0 0 / 32px 32px,
              radial-gradient(#c084fc 1px, transparent 1px) 16px 16px / 48px 48px !important;
  opacity: 0.25;
}
html[data-mes-bg="cosmic_space"] #hub-main-arena {
  background-color: #020617 !important;
}

/* 2.3 3D BÜYÜLÜ OYUN DÜNYASI (Kids Game World) */
html[data-mes-bg="kids_world"] #mes-hub-dynamic-bg {
  background: url('/assets/backgrounds/kids_game_world_bg.jpg') center 15% / cover no-repeat fixed !important;
  opacity: 1;
}
html[data-mes-bg="kids_world"] #mes-hub-dynamic-overlay {
  background: linear-gradient(180deg, transparent 40%, rgba(15, 23, 42, 0.45) 100%) !important;
}
html[data-mes-bg="kids_world"] #hub-main-arena {
  background-color: #0f172a !important;
}

/* 2.4 KRİSTAL AYDINLIK (Clean Crystal) */
html[data-mes-bg="clean_crystal"] #mes-hub-dynamic-bg {
  background: radial-gradient(at 0% 0%, #e0e7ff 0px, transparent 50%),
              radial-gradient(at 100% 0%, #fae8ff 0px, transparent 50%),
              radial-gradient(at 50% 100%, #e0f2fe 0px, transparent 50%),
              #f8fafc !important;
  opacity: 1;
}
html[data-mes-bg="clean_crystal"] #mes-hub-dynamic-overlay {
  background: linear-gradient(180deg, rgba(255,255,255,0.7) 0%, rgba(248, 250, 252, 0.9) 100%) !important;
}
html[data-mes-bg="clean_crystal"] #hub-main-arena {
  background-color: #f8fafc !important;
}
html[data-mes-bg="clean_crystal"] .hub-rail-title {
  color: #0f172a !important;
}

/* 2.5 ZÜMRÜT DOĞA & ODAKLANMA (Emerald Nature) */
html[data-mes-bg="emerald_nature"] #mes-hub-dynamic-bg {
  background: radial-gradient(circle at 20% 20%, #064e3b 0%, transparent 50%),
              radial-gradient(circle at 80% 80%, #047857 0%, transparent 50%),
              radial-gradient(circle at 50% 50%, #022c22 0%, #021a14 100%) !important;
  opacity: 1;
}
html[data-mes-bg="emerald_nature"] #mes-hub-dynamic-overlay {
  background: radial-gradient(#34d399 1px, transparent 1px) 0 0 / 28px 28px !important;
  opacity: 0.18;
}
html[data-mes-bg="emerald_nature"] #hub-main-arena {
  background-color: #021a14 !important;
}

/* 2.6 KEHRİBAR GÜN BATIMI (Sunset Amber) */
html[data-mes-bg="sunset_amber"] #mes-hub-dynamic-bg {
  background: radial-gradient(circle at 80% 15%, #9a3412 0%, transparent 50%),
              radial-gradient(circle at 20% 85%, #b91c1c 0%, transparent 50%),
              radial-gradient(circle at 50% 50%, #431407 0%, #1c0702 100%) !important;
  opacity: 1;
}
html[data-mes-bg="sunset_amber"] #mes-hub-dynamic-overlay {
  background: radial-gradient(#fbbf24 1px, transparent 1px) 0 0 / 30px 30px !important;
  opacity: 0.20;
}
html[data-mes-bg="sunset_amber"] #hub-main-arena {
  background-color: #1c0702 !important;
}

/* --- 3. SEÇİCİ DROPDOWN BUTONU STİLİ --- */
.mes-theme-dropdown-btn {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(241, 245, 249, 0.95) 100%);
  border: 1px solid rgba(203, 213, 225, 0.9);
  transition: all 0.2s ease;
}
.mes-theme-dropdown-btn:hover {
  border-color: #3b82f6;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.15);
}
.mes-theme-item-active {
  background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%) !important;
  color: #1d4ed8 !important;
  font-weight: 800 !important;
  border-left: 3px solid #2563eb !important;
}

/* --- 4. HAREKET AZALTMA (PREFERS-REDUCED-MOTION) DESTEĞİ --- */
@media (prefers-reduced-motion: reduce) {
  .mes-neon-banner,
  .mes-neon-title,
  .mes-neon-chip {
    animation: none !important;
    transition: none !important;
    text-shadow: none !important;
  }
  #mes-hub-dynamic-bg,
  #mes-hub-dynamic-overlay {
    transition: none !important;
  }
}