/* Mobile + PWA layout */
.pwa-install-banner {
  display: none;
  position: fixed;
  bottom: calc(4.5rem + env(safe-area-inset-bottom, 0px));
  left: 0.75rem;
  right: 0.75rem;
  z-index: 9000;
  background: var(--surface);
  border: 1px solid var(--primary);
  border-radius: 12px;
  padding: 0.85rem 1rem;
  box-shadow: var(--shadow);
  align-items: center;
  gap: 0.75rem;
}

.pwa-install-banner.show { display: flex; }

.pwa-install-banner p {
  margin: 0;
  flex: 1;
  font-size: 0.9rem;
}

.pwa-install-banner .btn { flex-shrink: 0; }

.nav-toggle {
  display: none;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 0.45rem 0.65rem;
  font-size: 1.25rem;
  cursor: pointer;
}

.mobile-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 8000;
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 0.35rem 0.25rem calc(0.35rem + env(safe-area-inset-bottom, 0px));
  justify-content: space-around;
  gap: 0.15rem;
}

.mobile-bottom-nav a {
  flex: 1;
  text-align: center;
  text-decoration: none;
  color: var(--muted);
  font-size: 0.65rem;
  padding: 0.35rem 0.15rem;
  border-radius: 8px;
  min-width: 0;
}

.mobile-bottom-nav a .nav-icon {
  display: block;
  font-size: 1.25rem;
  line-height: 1.2;
}

.mobile-bottom-nav a.active,
.mobile-bottom-nav a:hover {
  color: var(--primary);
  background: rgba(59, 130, 246, 0.12);
  text-decoration: none;
}

body.pwa-standalone .footer { display: none; }

body.has-bottom-nav {
  padding-bottom: calc(4.25rem + env(safe-area-inset-bottom, 0px));
}

body.has-bottom-nav .pwa-install-banner {
  bottom: calc(5.5rem + env(safe-area-inset-bottom, 0px));
}

@media (max-width: 768px) {
  .nav-toggle { display: inline-block; }

  .navbar {
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
    padding: 0.75rem 0 0.25rem;
    border-top: 1px solid var(--border);
    margin-top: 0.5rem;
  }

  .nav-links.open { display: flex; }

  .nav-links a,
  .nav-links button {
    padding: 0.65rem 0.75rem;
    border-radius: 8px;
  }

  .nav-links a:hover { background: var(--surface2); }

  .mobile-bottom-nav { display: flex; }

  .table { display: block; overflow-x: auto; white-space: nowrap; }

  .hero h1 { font-size: 1.65rem; }

  .card { padding: 1rem; }

  .filter-bar { flex-direction: column; align-items: stretch; }

  .screenshot-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  }
}

@media (min-width: 769px) {
  .pwa-install-banner {
    bottom: 1.5rem;
    left: auto;
    right: 1.5rem;
    max-width: 360px;
  }
}