/* PWA & mobil uygulama arayüzü */
:root {
  --app-nav-h: 4.25rem;
}

@media (max-width: 980px) {
  body.has-app-nav {
    padding-bottom: calc(var(--app-nav-h) + env(safe-area-inset-bottom, 0px));
  }

  body.has-app-nav .whatsapp {
    bottom: calc(var(--app-nav-h) + 1rem + env(safe-area-inset-bottom, 0px));
  }

  body.has-app-nav .scroll-top {
    bottom: calc(var(--app-nav-h) + 4.5rem + env(safe-area-inset-bottom, 0px));
  }


  body.is-standalone.has-app-nav .header {
    padding-top: env(safe-area-inset-top, 0px);
  }
}

.app-bottom-nav {
  display: none;
}

@media (max-width: 980px) {
  .app-bottom-nav {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 120;
    height: calc(var(--app-nav-h) + env(safe-area-inset-bottom, 0px));
    padding-bottom: env(safe-area-inset-bottom, 0px);
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(16px);
    border-top: 1px solid var(--line);
    box-shadow: 0 -8px 32px rgba(26, 29, 35, 0.08);
  }

  .app-tab {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.2rem;
    padding: 0.45rem 0.25rem;
    color: var(--muted);
    font-size: 0.62rem;
    font-weight: 600;
    text-decoration: none;
    transition: color 0.2s ease;
    -webkit-tap-highlight-color: transparent;
  }

  .app-tab svg {
    width: 1.35rem;
    height: 1.35rem;
  }

  .app-tab.is-active {
    color: var(--hermes-deep, #a855f7);
  }

  .app-tab.is-active svg {
    color: var(--hermes, #22d3ee);
  }

  .app-tab--wa.is-active {
    color: #25d366;
  }

  .app-tab--wa svg {
    color: #25d366;
  }
}

/* Kurulum banner */
.pwa-install {
  position: fixed;
  left: 0.75rem;
  right: 0.75rem;
  bottom: calc(var(--app-nav-h) + 0.75rem + env(safe-area-inset-bottom, 0px));
  z-index: 130;
  animation: pwaSlideUp 0.35s ease;
}

@media (min-width: 981px) {
  .pwa-install {
    bottom: 1rem;
    max-width: 24rem;
    left: auto;
    right: 1rem;
  }
}

@keyframes pwaSlideUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}

.pwa-install-inner {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-lg);
  background: var(--bg);
  border: 1px solid rgba(243, 112, 33, 0.25);
  box-shadow: var(--shadow-lg);
}

.pwa-install-inner img {
  border-radius: 0.65rem;
}

.pwa-install-inner strong {
  display: block;
  font-size: 0.88rem;
  line-height: 1.2;
}

.pwa-install-inner span {
  display: block;
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 0.15rem;
}

.pwa-install-close {
  width: 1.75rem;
  height: 1.75rem;
  border: 0;
  background: var(--bg-soft);
  border-radius: 50%;
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
}

/* Standalone mod */
body.is-standalone .menu-toggle {
  display: none;
}

@media (display-mode: standalone) {
  body {
    padding-bottom: calc(var(--app-nav-h) + env(safe-area-inset-bottom, 0px));
  }
}