/**
 * Tiger 900 - Core CSS
 * Styles for core infrastructure components
 */

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

.offline-indicator {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  padding: 8px 16px;
  background: linear-gradient(135deg, #ff5722, #e64a19);
  color: white;
  text-align: center;
  font-size: 14px;
  font-weight: 500;
  z-index: 9999;
  display: none;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  animation: slideDown 0.3s ease;
}

.offline-indicator.visible {
  display: block;
}

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

/* Adjust body when offline */
body.offline-mode {
  padding-top: 40px;
}

/* ============================================
   SYNC INDICATOR
   ============================================ */

.sync-indicator {
  position: fixed;
  bottom: 70px;
  right: 16px;
  padding: 8px 16px;
  border-radius: 24px;
  font-size: 13px;
  font-weight: 500;
  background: var(--md-primary-fg-color, #009688);
  color: white;
  display: none;
  align-items: center;
  gap: 8px;
  z-index: 1000;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  transition: all 0.3s ease;
  cursor: default;
}

.sync-indicator.visible {
  display: flex;
}

.sync-indicator.syncing {
  background: #ff9800;
}

.sync-indicator.offline {
  background: #757575;
}

.sync-indicator.error {
  background: #f44336;
  cursor: pointer;
}

.sync-indicator.error:hover {
  background: #d32f2f;
}

.sync-indicator .sync-icon {
  width: 16px;
  height: 16px;
}

.sync-indicator.syncing .sync-icon {
  animation: spin 1s linear infinite;
}

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

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

.pwa-update-notification {
  position: fixed;
  bottom: 16px;
  left: 16px;
  right: 16px;
  max-width: 400px;
  margin: 0 auto;
  padding: 16px;
  background: var(--md-primary-fg-color, #009688);
  color: white;
  border-radius: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  z-index: 9998;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  animation: slideUp 0.3s ease;
}

.pwa-update-notification span {
  font-size: 14px;
  font-weight: 500;
}

.pwa-update-notification button {
  padding: 8px 16px;
  background: white;
  color: var(--md-primary-fg-color, #009688);
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease;
}

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

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

/* ============================================
   LOADING STATES
   ============================================ */

.skeleton {
  background: linear-gradient(
    90deg,
    var(--md-default-bg-color, #fafafa) 25%,
    var(--md-code-bg-color, #f5f5f5) 50%,
    var(--md-default-bg-color, #fafafa) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 4px;
}

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

.skeleton-text {
  height: 1em;
  margin-bottom: 0.5em;
}

.skeleton-image {
  width: 100%;
  padding-bottom: 75%; /* 4:3 aspect ratio */
}

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */

.toast-container {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9997;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  padding: 12px 20px;
  background: #323232;
  color: white;
  border-radius: 8px;
  font-size: 14px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  animation: fadeInUp 0.3s ease;
  pointer-events: auto;
}

.toast.success {
  background: #4caf50;
}

.toast.error {
  background: #f44336;
}

.toast.warning {
  background: #ff9800;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.toast.fade-out {
  animation: fadeOutDown 0.3s ease forwards;
}

@keyframes fadeOutDown {
  from {
    opacity: 1;
    transform: translateY(0);
  }
  to {
    opacity: 0;
    transform: translateY(20px);
  }
}

/* ============================================
   DARK MODE ADJUSTMENTS
   ============================================ */

[data-md-color-scheme="slate"] .offline-indicator {
  background: linear-gradient(135deg, #e64a19, #bf360c);
}

[data-md-color-scheme="slate"] .sync-indicator {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

[data-md-color-scheme="slate"] .pwa-update-notification {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

[data-md-color-scheme="slate"] .toast {
  background: #424242;
}

/* ============================================
   NETWORK STATUS INDICATOR
   ============================================ */

.network-status {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  padding: 10px 16px;
  text-align: center;
  font-size: 14px;
  font-weight: 500;
  z-index: 9999;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.network-status.online {
  display: none;
}

.network-status.offline {
  display: block;
  background: linear-gradient(135deg, #ff5722, #e64a19);
  color: white;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  animation: slideDown 0.3s ease;
}

/* Adjust body padding when offline banner shown */
body:has(.network-status.offline[style*="display: block"]) {
  padding-top: 44px;
}

/* Fallback for browsers without :has() */
body.offline-mode {
  padding-top: 44px;
}

/* ============================================
   CACHE PROGRESS INDICATOR
   ============================================ */

.cache-progress {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  padding: 12px 24px;
  background: var(--md-primary-fg-color, #009688);
  color: white;
  border-radius: 24px;
  font-size: 14px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 9998;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
  animation: fadeInUp 0.3s ease;
}

.cache-progress .spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.cache-progress.fade-out {
  animation: fadeOutDown 0.3s ease forwards;
}

/* ============================================
   PWA BUTTONS
   ============================================ */

.pwa-install-btn,
.pwa-download-btn {
  margin: 4px;
  font-size: 14px;
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}

.pwa-install-btn:hover,
.pwa-download-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.pwa-download-btn {
  background: var(--md-code-bg-color, #f5f5f5);
  color: var(--md-default-fg-color, #333);
  border: 1px solid var(--md-default-fg-color--lighter, #ddd);
}

[data-md-color-scheme="slate"] .pwa-download-btn {
  background: var(--md-code-bg-color, #2d2d2d);
  color: var(--md-default-fg-color, #fff);
  border-color: var(--md-default-fg-color--lighter, #555);
}

/* ============================================
   UPDATE NOTIFICATION (Enhanced)
   ============================================ */

.pwa-update-notification {
  position: fixed;
  bottom: 16px;
  left: 16px;
  right: 16px;
  max-width: 400px;
  margin: 0 auto;
  padding: 16px 20px;
  background: linear-gradient(135deg, #2196f3, #1976d2);
  color: white;
  border-radius: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  z-index: 9998;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  animation: slideUp 0.4s ease;
}

.pwa-update-notification span {
  font-size: 14px;
  font-weight: 500;
  flex: 1;
}

.pwa-update-notification button {
  padding: 8px 16px;
  background: white;
  color: #1976d2;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease;
}

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

.pwa-update-notification .close-btn {
  padding: 4px 8px;
  background: transparent;
  color: rgba(255, 255, 255, 0.8);
  font-size: 20px;
  line-height: 1;
}

.pwa-update-notification .close-btn:hover {
  color: white;
  transform: none;
}

/* ============================================
   STORAGE STATUS
   ============================================ */

.storage-status {
  padding: 16px;
  background: var(--md-code-bg-color, #f5f5f5);
  border-radius: 8px;
  margin: 16px 0;
}

.storage-info {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.storage-item {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
}

.storage-item .label {
  color: var(--md-default-fg-color--light, #666);
}

.storage-item .value {
  font-weight: 500;
}

.storage-bar {
  margin-top: 12px;
  height: 8px;
  background: var(--md-default-fg-color--lightest, #e0e0e0);
  border-radius: 4px;
  overflow: hidden;
}

.storage-bar-fill {
  height: 100%;
  background: var(--md-primary-fg-color, #009688);
  border-radius: 4px;
  transition: width 0.3s ease;
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */

@media (max-width: 768px) {
  .sync-indicator {
    bottom: 80px;
    right: 12px;
    padding: 6px 12px;
    font-size: 12px;
  }

  .pwa-update-notification {
    bottom: 12px;
    left: 12px;
    right: 12px;
    padding: 12px;
  }

  .toast-container {
    bottom: 90px;
    left: 12px;
    right: 12px;
    transform: none;
  }

  .toast {
    width: 100%;
    text-align: center;
  }

  .cache-progress {
    bottom: 90px;
    left: 12px;
    right: 12px;
    transform: none;
    justify-content: center;
  }

  .network-status.offline {
    padding: 8px 12px;
    font-size: 13px;
  }
}