/**
 * ═══════════════════════════════════════════════════════════════════════════════
 * PWA Install UI Styles
 * Production-ready, mobile-first install prompt styling
 * ═══════════════════════════════════════════════════════════════════════════════
 */

/* ═══════════════════════════════════════════════════════════════════════════════
   CSS CUSTOM PROPERTIES
   ═══════════════════════════════════════════════════════════════════════════════ */

:root {
  --pwa-install-bg: rgba(26, 26, 46, 0.98);
  --pwa-install-bg-glass: rgba(255, 255, 255, 0.95);
  --pwa-install-gold: #C9A227;
  --pwa-install-gold-dark: #8b6914;
  --pwa-install-text: #1a1a2e;
  --pwa-install-text-light: #ffffff;
  --pwa-install-text-muted: #6b7280;
  --pwa-install-shadow: 0 -4px 30px rgba(0, 0, 0, 0.15);
  --pwa-install-radius: 20px;
  --pwa-install-transition: 0.3s cubic-bezier(0.22, 1, 0.36, 1);
  --pwa-install-z-index: 9999;
}

/* ═══════════════════════════════════════════════════════════════════════════════
   INSTALL BANNER - Mobile-First Sticky Bottom Banner
   ═══════════════════════════════════════════════════════════════════════════════ */

.pwa-install-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: var(--pwa-install-z-index);
  background: var(--pwa-install-bg-glass);
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  border-top: 1px solid rgba(201, 162, 39, 0.3);
  box-shadow: var(--pwa-install-shadow);
  padding: 16px;
  padding-bottom: max(16px, env(safe-area-inset-bottom));
  transform: translateY(100%);
  opacity: 0;
  transition: transform var(--pwa-install-transition), opacity var(--pwa-install-transition);
}

.pwa-install-banner.visible {
  transform: translateY(0);
  opacity: 1;
}

.pwa-install-banner.hiding {
  transform: translateY(100%);
  opacity: 0;
}

.pwa-install-banner__inner {
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 16px;
}

.pwa-install-banner__icon {
  width: 56px;
  height: 56px;
  flex-shrink: 0;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  background: linear-gradient(135deg, var(--pwa-install-gold-dark), var(--pwa-install-gold));
  display: flex;
  align-items: center;
  justify-content: center;
}

.pwa-install-banner__icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.pwa-install-banner__icon-fallback {
  font-size: 1.8rem;
  color: var(--pwa-install-text-light);
}

.pwa-install-banner__content {
  flex: 1;
  min-width: 0;
}

.pwa-install-banner__title {
  font-family: var(--font-accent, 'Marcellus', serif);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--pwa-install-text);
  margin: 0 0 4px 0;
  line-height: 1.3;
}

.pwa-install-banner__desc {
  font-size: 0.8rem;
  color: var(--pwa-install-text-muted);
  margin: 0;
  line-height: 1.4;
}

.pwa-install-banner__actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.pwa-install-banner__btn {
  padding: 12px 20px;
  border-radius: 10px;
  font-family: var(--font-accent, 'Marcellus', serif);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--pwa-install-transition);
  border: none;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.pwa-install-banner__btn--primary {
  background: linear-gradient(135deg, var(--pwa-install-gold-dark), var(--pwa-install-gold));
  color: var(--pwa-install-text-light);
  box-shadow: 0 4px 16px rgba(201, 162, 39, 0.4);
}

.pwa-install-banner__btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(201, 162, 39, 0.5);
}

.pwa-install-banner__btn--primary:active {
  transform: translateY(0);
}

.pwa-install-banner__btn--dismiss {
  background: transparent;
  color: var(--pwa-install-text-muted);
  padding: 12px;
}

.pwa-install-banner__btn--dismiss:hover {
  color: var(--pwa-install-text);
  background: rgba(0, 0, 0, 0.05);
}

/* Mobile compact layout */
@media (max-width: 480px) {
  .pwa-install-banner {
    padding: 12px;
    padding-bottom: max(12px, env(safe-area-inset-bottom));
  }

  .pwa-install-banner__inner {
    flex-wrap: wrap;
    gap: 12px;
  }

  .pwa-install-banner__icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
  }

  .pwa-install-banner__content {
    flex: 1 1 calc(100% - 64px - 40px);
    min-width: 150px;
  }

  .pwa-install-banner__title {
    font-size: 0.9rem;
  }

  .pwa-install-banner__desc {
    font-size: 0.75rem;
  }

  .pwa-install-banner__actions {
    width: 100%;
    justify-content: stretch;
  }

  .pwa-install-banner__btn--primary {
    flex: 1;
    padding: 14px;
  }

  .pwa-install-banner__btn--dismiss {
    position: absolute;
    top: 8px;
    right: 8px;
    padding: 8px;
    font-size: 1.2rem;
  }

  .pwa-install-banner__inner {
    position: relative;
    padding-right: 32px;
  }
}

/* ═══════════════════════════════════════════════════════════════════════════════
   DESKTOP FLOATING INSTALL BUTTON
   ═══════════════════════════════════════════════════════════════════════════════ */

.pwa-install-fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: var(--pwa-install-z-index);
  display: none;
}

@media (min-width: 769px) {
  .pwa-install-fab {
    display: block;
  }
}

.pwa-install-fab__btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px;
  background: linear-gradient(135deg, var(--pwa-install-bg), #2d2d44);
  color: var(--pwa-install-text-light);
  border: 1px solid rgba(201, 162, 39, 0.3);
  border-radius: 50px;
  font-family: var(--font-accent, 'Marcellus', serif);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  cursor: pointer;
  box-shadow: 
    0 8px 32px rgba(0, 0, 0, 0.3),
    0 0 0 1px rgba(255, 255, 255, 0.05);
  transition: all var(--pwa-install-transition);
  transform: translateY(100px);
  opacity: 0;
}

.pwa-install-fab.visible .pwa-install-fab__btn {
  transform: translateY(0);
  opacity: 1;
}

.pwa-install-fab__btn:hover {
  background: linear-gradient(135deg, #2d2d44, #3d3d54);
  border-color: var(--pwa-install-gold);
  transform: translateY(-4px);
  box-shadow: 
    0 12px 40px rgba(0, 0, 0, 0.4),
    0 0 20px rgba(201, 162, 39, 0.2);
}

.pwa-install-fab__icon {
  font-size: 1.2rem;
}

.pwa-install-fab__text {
  color: var(--pwa-install-gold);
}

.pwa-install-fab__close {
  position: absolute;
  top: -8px;
  right: -8px;
  width: 24px;
  height: 24px;
  background: var(--pwa-install-bg);
  border: 1px solid rgba(201, 162, 39, 0.3);
  border-radius: 50%;
  color: var(--pwa-install-text-light);
  font-size: 0.8rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0.8);
  transition: all 0.2s ease;
}

.pwa-install-fab:hover .pwa-install-fab__close {
  opacity: 1;
  transform: scale(1);
}

.pwa-install-fab__close:hover {
  background: #dc3545;
  border-color: #dc3545;
}

/* ═══════════════════════════════════════════════════════════════════════════════
   iOS INSTRUCTIONS MODAL
   ═══════════════════════════════════════════════════════════════════════════════ */

.pwa-ios-modal {
  position: fixed;
  inset: 0;
  z-index: calc(var(--pwa-install-z-index) + 1);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 20px;
  padding-bottom: max(20px, env(safe-area-inset-bottom));
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: all var(--pwa-install-transition);
}

.pwa-ios-modal.visible {
  opacity: 1;
  visibility: visible;
}

.pwa-ios-modal__content {
  width: 100%;
  max-width: 400px;
  background: var(--pwa-install-bg-glass);
  border-radius: var(--pwa-install-radius);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  transform: translateY(100%);
  transition: transform var(--pwa-install-transition);
  overflow: hidden;
}

.pwa-ios-modal.visible .pwa-ios-modal__content {
  transform: translateY(0);
}

.pwa-ios-modal__header {
  padding: 20px 20px 16px;
  text-align: center;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.pwa-ios-modal__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 12px;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
  background: linear-gradient(135deg, var(--pwa-install-gold-dark), var(--pwa-install-gold));
  display: flex;
  align-items: center;
  justify-content: center;
}

.pwa-ios-modal__icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.pwa-ios-modal__title {
  font-family: var(--font-display, 'Cormorant Garamond', serif);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--pwa-install-text);
  margin: 0 0 4px 0;
}

.pwa-ios-modal__subtitle {
  font-size: 0.85rem;
  color: var(--pwa-install-text-muted);
  margin: 0;
}

.pwa-ios-modal__steps {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.pwa-ios-step {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.pwa-ios-step__number {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--pwa-install-gold-dark), var(--pwa-install-gold));
  color: var(--pwa-install-text-light);
  border-radius: 50%;
  font-size: 0.85rem;
  font-weight: 600;
}

.pwa-ios-step__content {
  flex: 1;
  padding-top: 3px;
}

.pwa-ios-step__text {
  font-size: 0.9rem;
  color: var(--pwa-install-text);
  margin: 0;
  line-height: 1.5;
}

.pwa-ios-step__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: #007AFF;
  color: white;
  border-radius: 6px;
  font-size: 0.85rem;
  vertical-align: middle;
  margin: 0 2px;
}

.pwa-ios-modal__footer {
  padding: 16px 20px;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.pwa-ios-modal__btn {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, var(--pwa-install-gold-dark), var(--pwa-install-gold));
  color: var(--pwa-install-text-light);
  border: none;
  border-radius: 12px;
  font-family: var(--font-accent, 'Marcellus', serif);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: all var(--pwa-install-transition);
}

.pwa-ios-modal__btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(201, 162, 39, 0.4);
}

/* Arrow pointing to share button for iOS Safari */
.pwa-ios-arrow {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  margin-bottom: 10px;
}

.pwa-ios-arrow::after {
  content: '';
  display: block;
  width: 0;
  height: 0;
  border-left: 12px solid transparent;
  border-right: 12px solid transparent;
  border-top: 12px solid var(--pwa-install-gold);
  animation: bounceArrow 1s ease-in-out infinite;
}

@keyframes bounceArrow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ═══════════════════════════════════════════════════════════════════════════════
   FOOTER INSTALL LINK
   ═══════════════════════════════════════════════════════════════════════════════ */

.pwa-install-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  color: var(--pwa-install-gold);
  font-family: var(--font-accent, 'Marcellus', serif);
  font-size: 0.85rem;
  cursor: pointer;
  padding: 4px 0;
  opacity: 0.85;
  transition: all 0.2s ease;
}

.pwa-install-link:hover {
  opacity: 1;
  color: var(--pwa-install-gold);
}

.pwa-install-link:hover .pwa-install-link__icon {
  transform: scale(1.1);
}

.pwa-install-link__icon {
  font-size: 1.1em;
  transition: transform 0.2s ease;
}

/* ═══════════════════════════════════════════════════════════════════════════════
   INSTALLED STATE
   ═══════════════════════════════════════════════════════════════════════════════ */

body.pwa-installed .pwa-install-banner,
body.pwa-installed .pwa-install-fab,
body.pwa-installed .pwa-install-link {
  display: none !important;
}

/* ═══════════════════════════════════════════════════════════════════════════════
   ANIMATIONS
   ═══════════════════════════════════════════════════════════════════════════════ */

@keyframes pwaSlideUp {
  from {
    transform: translateY(100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes pwaFadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes pwaPulse {
  0%, 100% {
    box-shadow: 0 4px 16px rgba(201, 162, 39, 0.4);
  }
  50% {
    box-shadow: 0 4px 24px rgba(201, 162, 39, 0.6);
  }
}

.pwa-install-banner__btn--primary:not(:hover) {
  animation: pwaPulse 2s ease-in-out infinite;
}

/* ═══════════════════════════════════════════════════════════════════════════════
   DARK MODE SUPPORT
   ═══════════════════════════════════════════════════════════════════════════════ */

@media (prefers-color-scheme: dark) {
  :root {
    --pwa-install-bg-glass: rgba(26, 26, 46, 0.95);
    --pwa-install-text: #ffffff;
    --pwa-install-text-muted: #9ca3af;
  }
  
  .pwa-install-banner {
    border-top-color: rgba(201, 162, 39, 0.4);
  }
  
  .pwa-ios-modal__content {
    background: var(--pwa-install-bg);
  }
  
  .pwa-ios-modal__header {
    border-bottom-color: rgba(255, 255, 255, 0.1);
  }
  
  .pwa-ios-modal__footer {
    border-top-color: rgba(255, 255, 255, 0.1);
  }
}

/* ═══════════════════════════════════════════════════════════════════════════════
   REDUCED MOTION
   ═══════════════════════════════════════════════════════════════════════════════ */

@media (prefers-reduced-motion: reduce) {
  .pwa-install-banner,
  .pwa-install-fab__btn,
  .pwa-ios-modal,
  .pwa-ios-modal__content {
    transition: none;
  }
  
  .pwa-install-banner__btn--primary {
    animation: none;
  }
  
  .pwa-ios-arrow::after {
    animation: none;
  }
}