/* PUBMEM Activity - Activity chart and preview */

/* Activity chart */
.activity-container {
  max-width: var(--content-width);
  margin: 1.5rem auto 1rem;
  padding: 0 1rem;
  border-bottom: 1px solid var(--gh-border);
}

.activity-chart {
  display: flex;
  gap: 3px;
  justify-content: flex-start;
  align-items: flex-end;
  min-height: 45px;
  padding: 0.5rem 0 1.25rem 0;
  overflow: hidden;
}

.activity-day {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.activity-month {
  position: absolute;
  bottom: -16px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.6rem;
  color: var(--gh-text-subtle);
  white-space: nowrap;
}

.activity-stack {
  display: flex;
  flex-direction: column-reverse;
  gap: 2px;
  min-height: 50px;
}

.activity-box {
  width: 8px;
  height: 8px;
  border-radius: 2px;
  opacity: 0.9;
}
.activity-box:hover {
  opacity: 1;
  transform: scale(1.1);
}
.activity-box.clickable { cursor: pointer; }
.activity-box.clickable:hover {
  box-shadow: 0 0 4px rgba(255,255,255,0.4);
}
.activity-box.faded {
  background: var(--gh-border);
  opacity: 0.65;
}

.activity-empty {
  width: 8px;
  height: 8px;
  background: var(--gh-border);
  border-radius: 2px;
  opacity: 0.3;
}

.activity-label {
  font-size: 0.65rem;
  color: var(--gh-text-subtle);
  text-align: center;
  line-height: 1.2;
}

/* Activity preview - centered hover modal */
.activity-preview-wrapper {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  pointer-events: none;
  z-index: 100;
}

.activity-preview {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  background: #0d1117;
  border: 1px solid var(--user-color, #3d444d);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  min-width: 320px;
  max-width: 520px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.15s, visibility 0.15s;
  pointer-events: none;
}
.activity-preview.show {
  opacity: 1;
  visibility: visible;
}

/* Preview header - date left, model right */
.preview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--gh-border);
  font-size: 0.85rem;
}
.preview-time { color: var(--gh-text-subtle); }
.preview-model { color: var(--gh-orange); font-size: 0.8rem; }

/* Preview content - main summary */
.preview-content { padding: 0.25rem 0; }
.preview-summary {
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--gh-text);
  font-weight: 400;
}
.preview-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 0.75rem;
}

/* Preview footer - chars left, user right */
.preview-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.75rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--gh-border);
  font-size: 0.8rem;
  color: var(--gh-text-subtle);
  opacity: 0.7;
}
.preview-chars {
  color: var(--gh-text-subtle);
  font-family: monospace;
}
.preview-user { color: var(--gh-text-subtle); }
.preview-loading { color: var(--gh-text-subtle); font-size: 0.9rem; }
.preview-error { color: #dc3545; font-size: 0.9rem; }

/* Blur effect when hovering activity */
body.activity-hover .header,
body.activity-hover .entries-header,
body.activity-hover .entries-toolbar,
body.activity-hover .timeline {
  filter: blur(3px);
  pointer-events: none;
  transition: filter 0.15s ease;
}
body.activity-hover .activity-container {
  filter: none;
}
body:not(.activity-hover) .header,
body:not(.activity-hover) .entries-header,
body:not(.activity-hover) .entries-toolbar,
body:not(.activity-hover) .timeline {
  transition: filter 0.15s ease;
}

/* Mobile responsiveness */
@media (max-width: 600px) {
  .activity-chart {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .activity-month { font-size: 0.7rem; }
  .activity-preview { min-width: 280px; max-width: 95vw; }
}