/* ============================================================
   Karbil PWA — "Ana Ekrana Ekle" Install Banner
   ============================================================ */

   :root {
    --pwa-gold:  #F5A300;
    --pwa-navy:  #0a1628;
    --pwa-white: #ffffff;
    --pwa-glass: rgba(10, 22, 40, 0.92);
  }
  
  /* ── Banner (mobil / masaüstü ortak) ── */
  #pwa-install-banner {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    background: var(--pwa-glass);
    border: 1px solid rgba(245, 163, 0, 0.35);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.45), 0 0 0 1px rgba(245,163,0,0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    max-width: 340px;
    width: calc(100vw - 48px);
    transform: translateY(100px);
    opacity: 0;
    transition: transform 0.4s cubic-bezier(0.34,1.56,0.64,1), opacity 0.3s ease;
    pointer-events: none;
  }
  
  #pwa-install-banner.show {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  
  #pwa-install-banner .pwa-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: var(--pwa-gold);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--pwa-navy);
    box-shadow: 0 4px 12px rgba(245,163,0,0.35);
  }
  
  #pwa-install-banner .pwa-text {
    flex: 1;
  }
  
  #pwa-install-banner .pwa-text strong {
    display: block;
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--pwa-white);
    margin-bottom: 2px;
  }
  
  #pwa-install-banner .pwa-text span {
    font-size: 0.75rem;
    color: rgba(255,255,255,0.55);
    line-height: 1.4;
  }
  
  #pwa-install-btn {
    flex-shrink: 0;
    padding: 8px 16px;
    background: var(--pwa-gold);
    color: var(--pwa-navy);
    border: none;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
    white-space: nowrap;
  }
  
  #pwa-install-btn:hover {
    background: #ffb800;
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(245,163,0,0.4);
  }
  
  #pwa-close-btn {
    flex-shrink: 0;
    background: none;
    border: none;
    color: rgba(255,255,255,0.4);
    cursor: pointer;
    padding: 4px;
    border-radius: 6px;
    transition: color 0.2s, background 0.2s;
    line-height: 1;
    font-size: 1rem;
  }
  
  #pwa-close-btn:hover {
    color: var(--pwa-white);
    background: rgba(255,255,255,0.1);
  }
  
  /* ── iOS özel talimat balonu ── */
  #pwa-ios-tip {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(120px);
    z-index: 9999;
    width: calc(100vw - 40px);
    max-width: 360px;
    background: var(--pwa-glass);
    border: 1px solid rgba(245,163,0,0.35);
    border-radius: 16px;
    padding: 16px 20px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 8px 32px rgba(0,0,0,0.45);
    opacity: 0;
    transition: transform 0.4s cubic-bezier(0.34,1.56,0.64,1), opacity 0.3s ease;
    pointer-events: none;
    text-align: center;
  }
  
  #pwa-ios-tip.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  
  #pwa-ios-tip p {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.75);
    margin: 0 0 4px;
    line-height: 1.5;
  }
  
  #pwa-ios-tip strong {
    color: var(--pwa-gold);
  }
  
  #pwa-ios-close {
    margin-top: 10px;
    background: none;
    border: 1px solid rgba(255,255,255,0.15);
    color: rgba(255,255,255,0.5);
    border-radius: 50px;
    padding: 5px 14px;
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.2s;
  }
  
  #pwa-ios-close:hover {
    background: rgba(255,255,255,0.08);
    color: var(--pwa-white);
  }
  
  /* ── Offline bildirimi ── */
  #pwa-offline-toast {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%) translateY(-20px);
    z-index: 9998;
    background: #1e293b;
    border: 1px solid rgba(239,68,68,0.4);
    color: #f8fafc;
    border-radius: 50px;
    padding: 10px 20px;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 8px;
    opacity: 0;
    transition: all 0.3s ease;
    pointer-events: none;
    white-space: nowrap;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
  }
  
  #pwa-offline-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
  
  #pwa-offline-toast.online {
    border-color: rgba(34,197,94,0.4);
    background: #14532d;
  }
  
  #pwa-offline-toast .toast-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #ef4444;
    flex-shrink: 0;
  }
  
  #pwa-offline-toast.online .toast-dot {
    background: #22c55e;
  }