/* =======================
   PWA-specific styles for EnatDrive
   ======================= */

:root {
  /* PWA Specific Colors */
  --pwa-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --pwa-offline-bg: #f59e0b;
  --pwa-update-bg: #10b981;
  --pwa-install-bg: #ffffff;
  --pwa-text-light: #ffffff;
  --pwa-text-dark: #111827;
  --pwa-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  --pwa-border-radius: 12px;
}

/* =======================
   Loading Screen
   ======================= */
#loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  height: 100dvh; /* Dynamic viewport height */
  background: var(--pwa-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  transition: opacity 0.5s ease-in-out;
}

#loading-screen.hidden {
  opacity: 0;
  pointer-events: none;
}

#loading-screen.hidden {
  display: none;
}

.loading-content {
  text-align: center;
  color: var(--pwa-text-light);
  padding: 20px;
}

.loading-logo {
  width: 80px;
  height: 80px;
  margin-bottom: 20px;
  border-radius: 16px;
  object-fit: contain;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-top: 4px solid var(--pwa-text-light);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 20px auto;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Reduced motion support for loading animation */
@media (prefers-reduced-motion: reduce) {
  .loading-spinner {
    animation: none;
    border: 4px solid rgba(255, 255, 255, 0.6);
    border-top-color: var(--pwa-text-light);
  }
}

/* =======================
   Offline Banner
   ======================= */
#offline-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--pwa-offline-bg);
  color: var(--pwa-text-light);
  padding: 12px 16px;
  z-index: 9999;
  text-align: center;
  transition: transform 0.3s ease, opacity 0.3s ease;
  box-shadow: 0 2px 10px rgba(245, 158, 11, 0.3);
}

#offline-banner.hidden {
  transform: translateY(-100%);
  opacity: 0;
}

#offline-banner.show {
  transform: translateY(0);
  opacity: 1;
}

.offline-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  gap: 15px;
}

.offline-content span {
  flex: 1;
  text-align: center;
  font-weight: 500;
}

.dismiss-btn {
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: var(--pwa-text-light);
  border-radius: 50%;
  width: 32px;
  height: 32px;
  cursor: pointer;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease;
  flex-shrink: 0;
}

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

/* =======================
   Update Banner
   ======================= */
#update-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--pwa-update-bg);
  color: var(--pwa-text-light);
  padding: 12px 16px;
  z-index: 9999;
  text-align: center;
  transition: transform 0.3s ease, opacity 0.3s ease;
  box-shadow: 0 2px 10px rgba(16, 185, 129, 0.3);
}

#update-banner.hidden {
  transform: translateY(-100%);
  opacity: 0;
}

#update-banner.show {
  transform: translateY(0);
  opacity: 1;
}

.update-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  gap: 15px;
}

.update-content span {
  flex: 1;
  text-align: center;
  font-weight: 500;
}

.update-btn {
  background: rgba(255, 255, 255, 0.2);
  color: var(--pwa-text-light);
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 500;
  transition: background 0.2s ease;
  flex-shrink: 0;
}

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

/* =======================
   Install Prompt
   ======================= */
#install-prompt {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--pwa-install-bg);
  border-radius: var(--pwa-border-radius);
  padding: 20px;
  box-shadow: var(--pwa-shadow);
  z-index: 9998;
  max-width: 500px;
  width: 95%;
  border: 1px solid #e5e7eb;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

#install-prompt.hidden {
  opacity: 0;
  transform: translateX(-50%) translateY(20px);
  pointer-events: none;
}

#install-prompt.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

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

.install-icon {
  width: 60px;
  height: 60px;
  border-radius: 12px;
  object-fit: contain;
  flex-shrink: 0;
}

.install-text {
  flex: 1;
}

.install-text h3 {
  margin: 0 0 5px 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--pwa-text-dark);
}

.install-text p {
  margin: 0;
  font-size: 14px;
  color: #6b7280;
}

.install-actions {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}

.install-btn-primary {
  background: var(--pwa-gradient);
  color: var(--pwa-text-light);
  border: none;
  padding: 10px 20px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  transition: transform 0.2s ease;
  white-space: nowrap;
}

.install-btn-primary:hover {
  transform: translateY(-1px);
}

.install-btn-secondary {
  background: #f3f4f6;
  color: #374151;
  border: none;
  padding: 10px 20px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 500;
  transition: background 0.2s ease;
  white-space: nowrap;
}

.install-btn-secondary:hover {
  background: #e5e7eb;
}

/* =======================
   Toast Notifications
   ======================= */
.enatdrive-toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: #333;
  color: white;
  padding: 12px 24px;
  border-radius: 8px;
  z-index: 10001;
  opacity: 0;
  transition: opacity 0.3s ease;
  font-weight: 500;
  max-width: 90%;
  text-align: center;
}

.enatdrive-toast.show {
  opacity: 1;
}

.toast-success { background: var(--pwa-update-bg); }
.toast-error { background: #ef4444; }
.toast-warning { background: var(--pwa-offline-bg); }
.toast-info { background: #3b82f6; }

/* =======================
   Sync Indicator
   ======================= */
.sync-indicator {
  position: fixed;
  top: 10px;
  right: 10px;
  background: var(--pwa-gradient);
  color: white;
  padding: 8px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  z-index: 9997;
  display: none;
  align-items: center;
  gap: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.sync-indicator::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* =======================
   PWA Mode Styles
   ======================= */
@media all and (display-mode: standalone) {
  body.pwa-mode {
    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);
  }
  
  /* Hide install prompt when already installed */
  #install-prompt {
    display: none !important;
  }
}

/* =======================
   Safe Area Support
   ======================= */
@supports(padding: max(0px)) {
  #offline-banner,
  #update-banner {
    padding-top: max(12px, env(safe-area-inset-top));
    padding-left: max(16px, env(safe-area-inset-left));
    padding-right: max(16px, env(safe-area-inset-right));
  }
  
  #install-prompt {
    bottom: max(20px, env(safe-area-inset-bottom));
  }
}

/* =======================
   Mobile Responsive
   ======================= */
@media (max-width: 768px) {
  #install-prompt {
    bottom: 10px;
    width: calc(100% - 20px);
    max-width: none;
  }
  
  .install-content {
    flex-direction: column;
    text-align: center;
    gap: 12px;
  }
  
  .install-actions {
    width: 100%;
    justify-content: center;
  }
  
  .install-btn-primary,
  .install-btn-secondary {
    flex: 1;
    min-width: 120px;
  }
  
  .offline-content,
  .update-content {
    flex-direction: column;
    gap: 10px;
    text-align: center;
  }
  
  .sync-indicator {
    top: auto;
    bottom: 80px;
    right: 10px;
  }
}

/* =======================
   High Contrast Mode
   ======================= */
@media (prefers-contrast: high) {
  #offline-banner {
    background: #000;
    border: 2px solid yellow;
  }
  
  #update-banner {
    background: #000;
    border: 2px solid lime;
  }
  
  #install-prompt {
    border: 2px solid #000;
  }
}

/* =======================
   Reduced Motion
   ======================= */
@media (prefers-reduced-motion: reduce) {
  #loading-screen,
  #offline-banner,
  #update-banner,
  #install-prompt {
    transition: opacity 0.1s ease;
  }
  
  .loading-spinner,
  .sync-indicator::before {
    animation: none;
  }
}

/* =======================
   Print Styles
   ======================= */
@media print {
  #loading-screen,
  #offline-banner,
  #update-banner,
  #install-prompt,
  .sync-indicator {
    display: none !important;
  }
}