/* PWA样式 */

/* 安装按钮 */
.pwa-install-button {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: none;
  border-radius: 12px;
  padding: 12px 24px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(102, 126, 234, 0.4);
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 9999;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s ease;
}

.pwa-install-button.show {
  transform: translateY(0);
  opacity: 1;
}

.pwa-install-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(102, 126, 234, 0.5);
}

.pwa-install-button .material-icons {
  font-size: 20px;
}

/* 更新通知 */
.pwa-update-notification {
  position: fixed;
  top: 20px;
  right: 20px;
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  padding: 16px;
  z-index: 10000;
  max-width: 400px;
  transform: translateX(500px);
  opacity: 0;
  transition: all 0.3s ease;
}

.pwa-update-notification.show {
  transform: translateX(0);
  opacity: 1;
}

.pwa-update-content {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.pwa-update-content > .material-icons {
  color: var(--primary-color, #1976d2);
  font-size: 28px;
  flex-shrink: 0;
}

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

.pwa-update-text strong {
  display: block;
  font-size: 16px;
  color: var(--on-surface, #1a1a1a);
  margin-bottom: 4px;
}

.pwa-update-text p {
  font-size: 14px;
  color: var(--on-surface-variant, #666);
  margin: 0;
}

.pwa-update-button {
  background: var(--primary-color, #1976d2);
  color: white;
  border: none;
  border-radius: 8px;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.2s ease;
}

.pwa-update-button:hover {
  background: var(--primary-dark, #1565c0);
  transform: translateY(-1px);
}

.pwa-update-close {
  background: none;
  border: none;
  color: var(--on-surface-variant, #666);
  cursor: pointer;
  padding: 4px;
  flex-shrink: 0;
  transition: all 0.2s ease;
}

.pwa-update-close:hover {
  color: var(--on-surface, #1a1a1a);
}

.pwa-update-close .material-icons {
  font-size: 20px;
}

/* 离线通知 */
.pwa-offline-notification {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: #f44336;
  color: white;
  border-radius: 8px;
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 9999;
  opacity: 0;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(244, 67, 54, 0.3);
}

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

.pwa-offline-notification .material-icons {
  font-size: 20px;
}

/* 移动端适配 */
@media (max-width: 640px) {
  .pwa-install-button {
    bottom: 16px;
    right: 16px;
    font-size: 14px;
    padding: 10px 20px;
  }

  .pwa-update-notification {
    top: 16px;
    right: 16px;
    left: 16px;
    max-width: none;
  }

  .pwa-offline-notification {
    bottom: 16px;
    left: 16px;
    right: 16px;
    transform: translateX(0) translateY(100px);
  }

  .pwa-offline-notification.show {
    transform: translateX(0) translateY(0);
  }
}

/* iOS特定样式 */
@supports (-webkit-touch-callout: none) {
  .pwa-install-button {
    bottom: calc(20px + env(safe-area-inset-bottom));
  }

  .pwa-offline-notification {
    bottom: calc(20px + env(safe-area-inset-bottom));
  }
}

/* 深色模式支持 */
[data-theme="dark"] .pwa-update-notification {
  background: var(--surface, #2c2c2c);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] .pwa-update-text strong {
  color: var(--on-surface, #e0e0e0);
}

[data-theme="dark"] .pwa-update-text p {
  color: var(--on-surface-variant, #aaa);
}