/**
 * PWA Styles - Install Prompt, Notifications, Updates
 */

/* ==================== Install Prompt ==================== */

.pwa-install-prompt {
  position: fixed;
  bottom: -200px;
  left: 50%;
  transform: translateX(-50%);
  max-width: 500px;
  width: 90%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 16px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
  z-index: 10001;
  transition: bottom 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  animation: slideUpPWA 0.5s ease forwards 1s;
}

@keyframes slideUpPWA {
  to {
    bottom: 20px;
  }
}

.pwa-install-prompt-show {
  bottom: 20px !important;
}

.pwa-install-content {
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 15px;
  flex-wrap: wrap;
}

.pwa-install-icon {
  font-size: 48px;
  flex-shrink: 0;
}

.pwa-install-text {
  flex: 1;
  min-width: 200px;
}

.pwa-install-text h3 {
  margin: 0 0 5px 0;
  color: white;
  font-size: 18px;
  font-weight: 700;
}

.pwa-install-text p {
  margin: 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: 14px;
  line-height: 1.4;
}

.pwa-install-actions {
  display: flex;
  gap: 10px;
  width: 100%;
  margin-top: 10px;
}

.pwa-install-btn {
  flex: 1;
  background: white;
  color: #667eea;
  border: none;
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s;
}

.pwa-install-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(255, 255, 255, 0.3);
}

.pwa-dismiss-btn {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  border: none;
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
}

.pwa-dismiss-btn:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* ==================== Update Banner ==================== */

.pwa-update-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: #ed8936;
  color: white;
  z-index: 10002;
  animation: slideDownBanner 0.4s ease;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

@keyframes slideDownBanner {
  from {
    transform: translateY(-100%);
  }
  to {
    transform: translateY(0);
  }
}

.pwa-update-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  padding: 15px 20px;
  flex-wrap: wrap;
}

.pwa-update-content span {
  font-weight: 600;
  font-size: 15px;
}

.pwa-update-btn {
  background: white;
  color: #ed8936;
  border: none;
  padding: 8px 20px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s;
}

.pwa-update-btn:hover {
  transform: scale(1.05);
}

.pwa-update-banner .pwa-dismiss-btn {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  border: none;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.pwa-update-banner .pwa-dismiss-btn:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* ==================== Toast Notifications ==================== */

.pwa-toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: rgba(0, 0, 0, 0.9);
  color: white;
  padding: 15px 25px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  z-index: 10003;
  opacity: 0;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  max-width: 400px;
  text-align: center;
}

.pwa-toast-show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* ==================== PWA Status Indicator ==================== */

.pwa-status-indicator {
  position: fixed;
  top: 10px;
  right: 10px;
  background: rgba(0, 255, 65, 0.9);
  color: #0a0e27;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 700;
  z-index: 1001;
  display: none;
}

body.pwa-installed .pwa-status-indicator {
  display: block;
}

/* ==================== Offline Indicator ==================== */

.offline-indicator {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: #f56565;
  color: white;
  padding: 10px;
  text-align: center;
  font-weight: 600;
  z-index: 10000;
  transform: translateY(-100%);
  transition: transform 0.3s;
}

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

/* ==================== Loading Skeleton (for lazy loading) ==================== */

.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
  border-radius: 4px;
}

@keyframes loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

.skeleton-text {
  height: 12px;
  margin-bottom: 8px;
  width: 100%;
}

.skeleton-heading {
  height: 24px;
  margin-bottom: 12px;
  width: 70%;
}

.skeleton-button {
  height: 40px;
  width: 120px;
  border-radius: 8px;
}

.skeleton-card {
  height: 200px;
  border-radius: 12px;
}

/* ==================== Lazy Load Images ==================== */

img[data-src] {
  opacity: 0;
  transition: opacity 0.3s;
}

img[data-loaded="true"] {
  opacity: 1;
}

.lazy-image-placeholder {
  background: #f0f0f0;
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #999;
  font-size: 14px;
}

/* ==================== Responsive PWA Styles ==================== */

@media (max-width: 768px) {
  .pwa-install-prompt {
    width: 95%;
    bottom: -300px;
  }
  
  .pwa-install-content {
    flex-direction: column;
    text-align: center;
  }
  
  .pwa-install-icon {
    font-size: 56px;
  }
  
  .pwa-install-actions {
    flex-direction: column;
  }
  
  .pwa-install-btn,
  .pwa-dismiss-btn {
    width: 100%;
  }
  
  .pwa-toast {
    width: 90%;
    max-width: none;
  }
  
  .pwa-update-content {
    flex-direction: column;
    gap: 10px;
  }
}

@media (max-width: 480px) {
  .pwa-install-text h3 {
    font-size: 16px;
  }
  
  .pwa-install-text p {
    font-size: 13px;
  }
  
  .pwa-install-btn,
  .pwa-dismiss-btn {
    padding: 10px 16px;
    font-size: 14px;
  }
}

/* ==================== PWA Display Mode Adjustments ==================== */

@media (display-mode: standalone) {
  /* Hide install prompt when running as PWA */
  .pwa-install-prompt {
    display: none !important;
  }
  
  /* Add safe area padding for notched devices */
  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);
  }
}

/* ==================== Splash Screen (iOS) ==================== */

@media (display-mode: standalone) and (-webkit-min-device-pixel-ratio: 2) {
  body {
    -webkit-touch-callout: none;
    -webkit-user-select: none;
  }
}

/* ==================== Performance Optimizations ==================== */

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
  .pwa-install-prompt,
  .pwa-update-banner,
  .pwa-toast,
  .skeleton {
    animation: none !important;
    transition: none !important;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .pwa-install-prompt {
    border: 2px solid white;
  }
  
  .pwa-install-btn,
  .pwa-update-btn {
    border: 2px solid currentColor;
  }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
  .skeleton {
    background: linear-gradient(90deg, #2a2a2a 25%, #1a1a1a 50%, #2a2a2a 75%);
  }
  
  .lazy-image-placeholder {
    background: #1a1a1a;
    color: #666;
  }
}