/* 首页左下角近 7 天公开动态，只在首页桌面端显示。 */
.activity-panel {
  position: fixed;
  left: 20px;
  bottom: calc(22px + env(safe-area-inset-bottom, 0px));
  z-index: 68;
  width: min(380px, 28vw);
  font-size: 12px;
  pointer-events: auto;
  user-select: none;
  cursor: pointer;
}

.activity-feed {
  height: auto;
  overflow: visible;
}

.activity-panel.is-expanded {
  cursor: pointer;
}

.activity-panel.is-expanded .activity-feed {
  max-height: min(62vh, 760px);
  overflow-y: auto;
  overscroll-behavior: contain;
  padding-right: 6px;
}

.activity-panel.is-expanded .activity-feed::-webkit-scrollbar {
  width: 4px;
}

.activity-panel.is-expanded .activity-feed::-webkit-scrollbar-thumb {
  border-radius: 2px;
  background: rgba(127, 127, 127, 0.35);
}

.activity-feed-track {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.activity-feed-item {
  display: grid;
  grid-template-columns: max-content max-content minmax(0, 1fr);
  column-gap: 0;
  align-items: baseline;
  justify-content: start;
  min-width: 0;
  font-size: inherit;
  line-height: 1.5;
  text-align: left;
  white-space: nowrap;
}

.activity-feed-time,
.activity-feed-user {
  flex: 0 0 auto;
  color: var(--primary-strong);
  font-weight: 400;
}

.activity-feed-time {
  opacity: 0.76;
}

.activity-feed-text {
  min-width: 0;
  overflow: hidden;
  color: var(--muted);
  opacity: 0.82;
  text-overflow: ellipsis;
}

.activity-feed-item.is-alert .activity-feed-text {
  color: var(--ok);
  opacity: 1;
  animation: activityAlertPulse 3.6s ease-in-out infinite;
}

@keyframes activityAlertPulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.42;
  }
}

@media (min-width: 1600px) {
  .activity-panel {
    left: 28px;
    bottom: calc(32px + env(safe-area-inset-bottom, 0px));
    width: min(420px, 28vw);
    font-size: 13px;
  }
}

@media (min-width: 2100px) {
  .activity-panel {
    left: 40px;
    bottom: calc(44px + env(safe-area-inset-bottom, 0px));
    width: min(480px, 28vw);
    font-size: 15px;
  }
}

@media (min-width: 3000px) {
  .activity-panel {
    left: 52px;
    bottom: calc(56px + env(safe-area-inset-bottom, 0px));
    width: 520px;
    font-size: 17px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .activity-feed-item.is-alert .activity-feed-text {
    animation: none;
  }
}

@media (max-width: 900px) {
  .activity-panel {
    display: none !important;
  }
}