/**
 * PWA Install Prompts & Notifications
 * Styles for install buttons, banners, and update notifications
 */

/* ========================================
   INSTALL BUTTON (Android/Desktop)
   ======================================== */

.pwa-install-btn {
  position: fixed;
  bottom: 80px; /* Above mobile bottom nav */
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: linear-gradient(135deg, #1e3a8a 0%, #0d9488 100%);
  color: white;
  border: none;
  border-radius: 16px;
  padding: 1rem 1.5rem;
  box-shadow: 0 8px 24px rgba(13, 148, 136, 0.4);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 1rem;
  max-width: 90%;
  width: auto;
  z-index: 9999;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 0;
  pointer-events: none;
}

.pwa-install-btn.visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  pointer-events: all;
}

.pwa-install-btn:hover {
  transform: translateX(-50%) translateY(-4px);
  box-shadow: 0 12px 32px rgba(13, 148, 136, 0.5);
}

.pwa-install-btn:active {
  transform: translateX(-50%) translateY(-2px);
}

.pwa-install-icon {
  font-size: 2rem;
  flex-shrink: 0;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.pwa-install-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  gap: 0.25rem;
}

.pwa-install-text strong {
  font-size: 1rem;
  font-weight: 600;
}

.pwa-install-text small {
  font-size: 0.875rem;
  opacity: 0.9;
  font-weight: 400;
}

.pwa-install-close {
  font-size: 1.5rem;
  line-height: 1;
  opacity: 0.7;
  transition: opacity 0.2s;
  cursor: pointer;
  padding: 0.25rem;
  margin: -0.25rem;
  margin-left: 0.5rem;
}

.pwa-install-close:hover {
  opacity: 1;
}

/* Mobile adjustments */
@media (max-width: 768px) {
  .pwa-install-btn {
    bottom: calc(70px + 1rem); /* Above mobile nav */
    padding: 0.875rem 1.25rem;
    font-size: 0.9rem;
  }

  .pwa-install-icon {
    font-size: 1.75rem;
  }

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

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

/* Small phones */
@media (max-width: 480px) {
  .pwa-install-btn {
    max-width: calc(100% - 2rem);
    padding: 0.75rem 1rem;
  }

  .pwa-install-text small {
    display: none; /* Hide subtitle on very small screens */
  }
}

/* ========================================
   iOS INSTALL BANNER
   ======================================== */

.pwa-ios-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: white;
  border-top: 1px solid #e5e7eb;
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.15);
  z-index: 9999;
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 1rem;
  padding-bottom: max(1rem, env(safe-area-inset-bottom));
}

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

.pwa-ios-content {
  display: flex;
  align-items: center;
  gap: 1rem;
  max-width: 600px;
  margin: 0 auto;
}

.pwa-ios-icon {
  font-size: 2.5rem;
  flex-shrink: 0;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.pwa-ios-text {
  flex: 1;
}

.pwa-ios-text strong {
  display: block;
  font-size: 1rem;
  font-weight: 600;
  color: #111827;
  margin-bottom: 0.25rem;
}

.pwa-ios-text p {
  font-size: 0.875rem;
  color: #6b7280;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

.pwa-ios-text svg {
  color: #667eea;
  vertical-align: middle;
}

.pwa-ios-close {
  background: none;
  border: none;
  font-size: 1.75rem;
  color: #9ca3af;
  cursor: pointer;
  padding: 0.25rem;
  line-height: 1;
  transition: color 0.2s;
}

.pwa-ios-close:hover {
  color: #6b7280;
}

/* ========================================
   UPDATE NOTIFICATION
   ======================================== */

.pwa-update-notification {
  position: fixed;
  top: 20px;
  right: 20px;
  background: white;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  z-index: 10000;
  max-width: 400px;
  transform: translateX(calc(100% + 40px));
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.pwa-update-notification.visible {
  transform: translateX(0);
}

.pwa-update-content {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
}

.pwa-update-icon {
  font-size: 2rem;
  flex-shrink: 0;
  animation: rotate 2s linear infinite;
}

@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.pwa-update-text {
  flex: 1;
}

.pwa-update-text strong {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: #111827;
  margin-bottom: 0.25rem;
}

.pwa-update-text p {
  font-size: 0.8rem;
  color: #6b7280;
  margin: 0;
}

.pwa-update-btn {
  background: linear-gradient(135deg, #1e3a8a 0%, #0d9488 100%);
  color: white;
  border: none;
  border-radius: 8px;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  white-space: nowrap;
}

.pwa-update-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(13, 148, 136, 0.4);
}

.pwa-update-btn:active {
  transform: translateY(0);
}

/* Mobile adjustments for update notification */
@media (max-width: 768px) {
  .pwa-update-notification {
    top: 10px;
    right: 10px;
    left: 10px;
    max-width: none;
  }

  .pwa-update-content {
    padding: 0.875rem;
  }

  .pwa-update-icon {
    font-size: 1.75rem;
  }

  .pwa-update-btn {
    padding: 0.5rem 0.875rem;
    font-size: 0.8rem;
  }
}

/* ========================================
   STANDALONE MODE STYLES
   Applied when app is installed and running
   ======================================== */

@media (display-mode: standalone) {
  /* Hide browser UI elements when running as PWA */
  .install-prompt,
  .pwa-install-btn {
    display: none !important;
  }

  /* Add extra padding for notches/safe areas */
  body {
    padding-top: env(safe-area-inset-top);
    padding-bottom: env(safe-area-inset-bottom);
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
  }

  /* Adjust header for notch */
  .trip-header,
  .navbar {
    padding-top: max(1rem, env(safe-area-inset-top));
  }

  /* Show PWA-specific elements */
  .standalone-only {
    display: block !important;
  }

  /* Hide web-only elements */
  .web-only {
    display: none !important;
  }
}

/* ========================================
   LOADING SPLASH SCREEN
   For initial PWA load
   ======================================== */

.pwa-splash {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, #1e3a8a 0%, #0d9488 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 99999;
  opacity: 1;
  transition: opacity 0.3s ease-out;
  pointer-events: none;
}

.pwa-splash.loaded {
  opacity: 0;
}

.pwa-splash-logo {
  width: 120px;
  height: 120px;
  margin-bottom: 1.5rem;
  animation: float 2s ease-in-out infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.pwa-splash-title {
  font-size: 2rem;
  font-weight: 700;
  color: white;
  margin-bottom: 0.5rem;
}

.pwa-splash-subtitle {
  font-size: 1.125rem;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.9);
}

.pwa-splash-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  margin-top: 2rem;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ========================================
   OFFLINE INDICATOR
   ======================================== */

.pwa-offline-indicator {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: #f59e0b;
  color: white;
  padding: 0.5rem;
  text-align: center;
  font-size: 0.875rem;
  font-weight: 500;
  z-index: 10001;
  transform: translateY(-100%);
  transition: transform 0.3s;
}

.pwa-offline-indicator.visible {
  transform: translateY(0);
}

.pwa-offline-indicator::before {
  content: '📡 ';
  margin-right: 0.5rem;
}

/* ========================================
   APP BADGE (for notifications)
   ======================================== */

.pwa-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  background: #ef4444;
  color: white;
  border-radius: 50%;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.625rem;
  font-weight: 700;
  border: 2px solid white;
}

/* ========================================
   ACCESSIBILITY
   ======================================== */

.pwa-install-btn:focus-visible,
.pwa-update-btn:focus-visible,
.pwa-ios-close:focus-visible {
  outline: 3px solid #667eea;
  outline-offset: 2px;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .pwa-install-btn,
  .pwa-ios-banner,
  .pwa-update-notification,
  .pwa-splash {
    transition: none;
  }

  .pwa-update-icon {
    animation: none;
  }

  .pwa-splash-logo {
    animation: none;
  }
}