/* NEXORA · PWA installation, update, diagnostics and connection UI */
.pwa-status-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 0.4rem;
}

.pwa-status-copy {
  display: grid;
  gap: 0.22rem;
  min-width: 0;
}

.pwa-status-copy strong {
  color: var(--text-1);
  font-size: 0.9rem;
}

.pwa-status-copy span {
  color: var(--text-3);
  font-size: 0.76rem;
  line-height: 1.45;
}

.pwa-install-btn[hidden],
[data-pwa-installed-only][hidden] { display: none !important; }

.pwa-capabilities {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem;
  margin-top: 0.95rem;
}

.pwa-capability {
  min-width: 0;
  padding: 0.7rem 0.75rem;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.035);
}

.pwa-capability b {
  display: block;
  margin-bottom: 0.18rem;
  color: var(--text-1);
  font-size: 0.78rem;
}

.pwa-capability span {
  color: var(--text-3);
  font-size: 0.69rem;
  line-height: 1.45;
}

.td-pop-item.pwa-pop-action {
  border: 0;
  background: transparent;
  cursor: pointer;
  font: inherit;
}

html.pwa-modal-open,
html.pwa-modal-open body { overflow: hidden; }

.pwa-modal {
  position: fixed;
  inset: 0;
  z-index: 420;
  display: grid;
  place-items: center;
  padding: max(1rem, env(safe-area-inset-top)) max(1rem, env(safe-area-inset-right)) max(1rem, env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-left));
  background: rgba(0, 0, 0, 0.58);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.pwa-modal[hidden] { display: none !important; }

.pwa-modal-card {
  width: min(460px, 100%);
  max-height: min(680px, calc(100dvh - 2rem));
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 1.3rem;
  border-radius: 26px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
}

.pwa-modal-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.pwa-kicker {
  margin: 0 0 .35rem;
  color: var(--text-3) !important;
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .14em;
}

.pwa-modal-head h2 { font-size: 1.3rem; }
.pwa-install-desc { margin-top: .8rem; color: var(--text-2); line-height: 1.6; }

.pwa-modal-close {
  display: grid;
  place-items: center;
  flex: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  color: var(--text-2);
  background: rgba(255,255,255,.06);
  border: 1px solid var(--border);
}

.pwa-modal-close:focus-visible,
.pwa-modal-actions .btn:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 2px;
}

.pwa-benefits,
.pwa-ios-steps {
  display: grid;
  gap: 0.7rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.pwa-benefits li {
  position: relative;
  padding: .72rem .8rem .72rem 2.35rem;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.035);
  color: var(--text-2);
  line-height: 1.45;
}

.pwa-benefits li::before {
  content: "✓";
  position: absolute;
  left: .8rem;
  top: .72rem;
  color: var(--accent-2);
  font-weight: 700;
}

.pwa-ios-steps[hidden],
.pwa-benefits[hidden] { display: none !important; }

.pwa-ios-steps { counter-reset: nx-install; }
.pwa-ios-steps li {
  counter-increment: nx-install;
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 0.7rem;
  align-items: center;
  color: var(--text-2);
}
.pwa-ios-steps li::before {
  content: counter(nx-install);
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-1);
  background: rgba(255,255,255,.06);
  border: 1px solid var(--border);
}

.pwa-modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: .55rem;
  margin-top: 1.1rem;
  flex-wrap: wrap;
}

.pwa-toast {
  position: fixed;
  z-index: 390;
  left: 50%;
  bottom: max(1rem, env(safe-area-inset-bottom));
  transform: translateX(-50%);
  width: min(560px, calc(100vw - 2rem));
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.78rem 0.85rem 0.78rem 1rem;
  border-radius: 18px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  color: var(--text-2);
}
.pwa-toast[hidden] { display: none !important; }
.pwa-toast strong { color: var(--text-1); }
.pwa-toast-copy { flex: 1; min-width: 0; font-size: 0.82rem; line-height: 1.4; }
.pwa-toast-actions { display: flex; gap: 0.35rem; flex: none; }
.pwa-toast .btn { min-height: 38px; padding: 0.45rem 0.75rem; font-size: 0.78rem; }

.pwa-diagnostics {
  position: fixed;
  z-index: 500;
  right: max(1rem, env(safe-area-inset-right));
  bottom: max(1rem, env(safe-area-inset-bottom));
  width: min(300px, calc(100vw - 2rem));
  padding: .8rem;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  box-shadow: var(--shadow-lg);
  color: var(--text-2);
  font-size: .76rem;
}
.pwa-diagnostics-head,
.pwa-diagnostic-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .7rem;
}
.pwa-diagnostics-head { margin-bottom: .45rem; }
.pwa-diagnostics-head strong { color: var(--text-1); }
.pwa-diagnostics-head button {
  width: 30px; height: 30px; border-radius: 50%; color: var(--text-2); background: rgba(255,255,255,.06);
}
.pwa-diagnostic-row { padding: .36rem .1rem; border-top: 1px solid var(--border); }
.pwa-diagnostic-row b[data-ok="true"] { color: var(--success, #5bd69b); }
.pwa-diagnostic-row b[data-ok="false"] { color: var(--danger, #ff6b81); }
.pwa-diagnostics-foot { margin-top: .5rem; color: var(--text-3); font-family: var(--font-mono); font-size: .64rem; line-height: 1.5; }

@media (max-width: 767px) {
  .pwa-capabilities { grid-template-columns: 1fr; }
  .pwa-modal { align-items: end; padding: 0; }
  .pwa-modal-card {
    width: 100%;
    max-height: min(82dvh, 720px);
    border-radius: 26px 26px 0 0;
    padding: 1.15rem max(1rem, env(safe-area-inset-right)) max(1.15rem, env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-left));
  }
  .pwa-modal-actions { flex-direction: column; }
  .pwa-modal-actions .btn { width: 100%; }
  .pwa-toast { bottom: calc(78px + max(0.85rem, env(safe-area-inset-bottom))); }
  .pwa-toast-actions { flex-direction: column; }
  .pwa-diagnostics { bottom: calc(82px + max(.85rem, env(safe-area-inset-bottom))); }
}

@media (prefers-reduced-motion: reduce) {
  .pwa-modal, .pwa-modal-card, .pwa-toast { scroll-behavior: auto; transition: none !important; animation: none !important; }
}