/* PWA install prompt — standalone embed (no app bundle required) */

.pwa-install {
  --pwa-install-accent: #357eb6;
  --pwa-install-accent-soft: #e6f0f7;
  --pwa-install-bg: #ffffff;
  --pwa-install-text: #162333;
  --pwa-install-text-muted: #6b7f8a;
  --pwa-install-shadow: 0 18px 42px rgba(12, 23, 32, 0.2);
  --pwa-install-radius: 20px;
  --pwa-install-font: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "Inter", "Segoe UI", sans-serif;

  position: fixed;
  inset: 0;
  z-index: 2147483000;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  font-family: var(--pwa-install-font);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.28s ease;
}

.pwa-install--visible {
  pointer-events: auto;
  opacity: 1;
}

.pwa-install__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(12, 23, 32, 0.52);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.pwa-install__sheet {
  position: relative;
  z-index: 1;
  width: min(100%, 480px);
  margin: 0 auto;
  padding: 1.25rem 1.25rem calc(1.25rem + env(safe-area-inset-bottom, 0px));
  border-radius: var(--pwa-install-radius) var(--pwa-install-radius) 0 0;
  background: var(--pwa-install-bg);
  box-shadow: var(--pwa-install-shadow);
  transform: translateY(100%);
  transition: transform 0.32s cubic-bezier(0.22, 1, 0.36, 1);
}

.pwa-install--visible .pwa-install__sheet {
  transform: translateY(0);
}

.pwa-install--ios .pwa-install__sheet {
  max-height: min(92vh, 640px);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.pwa-install__handle {
  width: 40px;
  height: 4px;
  margin: 0 auto 1rem;
  border-radius: 999px;
  background: #d6dfe7;
}

.pwa-install__brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}

.pwa-install__icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: 0 8px 20px rgba(53, 126, 182, 0.25);
}

.pwa-install__eyebrow {
  margin: 0;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--pwa-install-accent);
}

.pwa-install__title {
  margin: 0.15rem 0 0;
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--pwa-install-text);
}

.pwa-install__text {
  margin: 0.65rem 0 0;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--pwa-install-text-muted);
}

.pwa-install__cta {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  margin-top: 1.1rem;
  padding: 0.95rem 1.25rem;
  border: none;
  border-radius: 14px;
  background: linear-gradient(135deg, #357eb6 0%, #7fb8d4 100%);
  color: #fff;
  font-size: 1rem;
  font-weight: 650;
  letter-spacing: 0.01em;
  cursor: pointer;
  box-shadow: 0 12px 28px rgba(53, 126, 182, 0.35);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.pwa-install__cta:active {
  transform: scale(0.98);
}

.pwa-install__cta:focus-visible {
  outline: 3px solid var(--pwa-install-accent-soft);
  outline-offset: 2px;
}

.pwa-install__dismiss {
  display: block;
  width: 100%;
  margin-top: 0.65rem;
  padding: 0.5rem;
  border: none;
  background: transparent;
  color: var(--pwa-install-text-muted);
  font-size: 0.88rem;
  cursor: pointer;
}

.pwa-install__steps {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.pwa-install__step {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-top: 0.85rem;
  padding: 0.85rem;
  border-radius: 14px;
  background: var(--pwa-install-accent-soft);
}

.pwa-install__step-num {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.65rem;
  height: 1.65rem;
  border-radius: 50%;
  background: var(--pwa-install-accent);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
}

.pwa-install__step-body {
  flex: 1;
  min-width: 0;
}

.pwa-install__step-title {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 650;
  color: var(--pwa-install-text);
}

.pwa-install__step-text {
  margin: 0.2rem 0 0;
  font-size: 0.88rem;
  line-height: 1.45;
  color: var(--pwa-install-text-muted);
}

.pwa-install__inline-icon {
  display: inline-flex;
  vertical-align: middle;
  margin: 0 0.12rem;
  color: var(--pwa-install-accent);
}

.pwa-install__inline-icon svg {
  display: block;
  width: 1.15em;
  height: 1.15em;
}

.pwa-install__inline-icon--safari {
  padding: 0.18rem;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: inset 0 0 0 1px rgba(53, 126, 182, 0.22);
}

.pwa-install__inline-icon--safari svg {
  width: 1.35em;
  height: 1.35em;
}

.pwa-install__arrow-hint {
  display: block;
  margin: 1rem auto 0;
  text-align: center;
  color: var(--pwa-install-accent);
  animation: pwa-install-bounce 1.4s ease-in-out infinite;
}

@keyframes pwa-install-bounce {
  0%,
  100% {
    transform: translateY(0);
    opacity: 0.85;
  }
  50% {
    transform: translateY(6px);
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pwa-install,
  .pwa-install__sheet {
    transition: none;
  }

  .pwa-install__arrow-hint {
    animation: none;
  }
}