/* ----- İnternet yokken tam ekran blurlu overlay ----- */
.offline-overlay {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 1.5rem;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.offline-overlay[hidden] {
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
}
.offline-overlay-content {
  text-align: center;
  max-width: 380px;
  padding: 2rem 1.75rem;
  background: #fff;
  border-radius: 20px;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(0, 0, 0, 0.06);
  border: 2px solid rgba(122, 0, 0, 0.12);
}
.offline-overlay-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 1.25rem;
  background: linear-gradient(135deg, var(--red-primary, #7A0000) 0%, var(--red-hover, #9a0000) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 2rem;
}
.offline-overlay-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: #1a1a1a;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}
.offline-overlay-desc {
  font-size: 0.95rem;
  color: #555;
  line-height: 1.55;
  margin-bottom: 1rem;
}
.offline-overlay-hint {
  font-size: 0.85rem;
  color: #666;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.offline-overlay-hint i {
  color: var(--red-primary, #7A0000);
}
/* Arka plan tıklanamaz ve seçilemez; blur overlay’dan geliyor */
body.offline main,
body.offline .navbar-custom,
body.offline footer {
  pointer-events: none;
  user-select: none;
}

/* Firma logosu yokken gösterilen baş-harf avatar */
.company-initials-fallback {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #7A0000 0%, #4f0a0c 100%);
  color: #ffffff;
  font-weight: 800;
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  letter-spacing: 0.5px;
  border-radius: inherit;
  text-transform: uppercase;
  user-select: none;
}