/* ============================================
   Digital Anima — Activity Feed Styles
   ============================================ */

.activity-feed {
  flex: 1;
  overflow-y: auto;
  padding: 8px 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-height: 0;
}

.activity-empty {
  color: var(--aw-color-text-muted);
  font-size: 0.85rem;
  text-align: center;
  margin-top: 40px;
}

.activity-entry {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 6px 8px;
  border-radius: 6px;
  transition: background 0.1s;
  font-size: 0.82rem;
}

.activity-entry:hover,
.activity-entry:active {
  background: var(--aw-color-bg-subtle);
}

.activity-icon {
  font-size: 0.95rem;
  flex-shrink: 0;
  width: 20px;
  text-align: center;
  line-height: 1.5;
}

.activity-time {
  font-size: 0.72rem;
  color: var(--aw-color-text-faint);
  flex-shrink: 0;
  width: 50px;
  padding-top: 2px;
  font-variant-numeric: tabular-nums;
}

.activity-body {
  flex: 1;
  min-width: 0;
}

.activity-anima {
  font-weight: 600;
  color: var(--aw-color-accent);
}

.activity-summary {
  color: var(--aw-color-text-secondary);
  word-wrap: break-word;
}

/* ============================================
   Activity Timeline Page
   ============================================ */

.activity-page {
  padding: 1rem;
  max-width: 960px;
  margin: 0 auto;
}

.activity-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.activity-count {
  font-size: 0.85rem;
  color: var(--aw-color-text-muted);
}

.activity-filters {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--aw-color-border-light);
}

.activity-anima-select {
  padding: 0.3rem 0.5rem;
  border: 1px solid var(--aw-color-border-medium);
  border-radius: 6px;
  font-size: 0.84rem;
  background: var(--aw-color-bg-primary);
  color: var(--aw-color-text-primary);
  cursor: pointer;
}

.activity-type-chip {
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  border: 1px solid var(--aw-color-border-medium);
  background: transparent;
  cursor: pointer;
  font-size: 0.8rem;
  transition: all 0.15s;
}

.activity-type-chip:hover {
  background: var(--aw-color-bg-hover);
}

.activity-type-chip.active {
  background: var(--aw-color-accent);
  color: var(--aw-color-bg-primary);
  border-color: var(--aw-color-accent);
}

.activity-list {
  margin-top: 0.5rem;
}

.activity-row {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--aw-color-border-light);
  cursor: pointer;
  transition: background 0.15s;
}

.activity-row:hover {
  background: var(--aw-color-bg-subtle);
}

.activity-row.expanded {
  background: var(--aw-color-bg-alt);
}

.activity-row-time {
  flex-shrink: 0;
  min-width: 3.5rem;
  color: var(--aw-color-text-muted);
  font-size: 0.82rem;
  font-variant-numeric: tabular-nums;
}

.activity-row-icon {
  flex-shrink: 0;
  width: 1.5rem;
  text-align: center;
}

.activity-row-anima {
  flex-shrink: 0;
  max-width: 8rem;
  font-weight: 500;
  color: var(--aw-color-accent);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.88rem;
}

.activity-row-summary {
  flex: 1;
  min-width: 0;
  color: var(--aw-color-text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.88rem;
}

.activity-detail {
  padding: 0.75rem 1rem 0.75rem 3.5rem;
  background: var(--aw-color-bg-subtle);
  border-bottom: 1px solid var(--aw-color-border-light);
  font-size: 0.84rem;
  animation: activitySlideDown 0.15s ease-out;
}

.activity-detail-field {
  margin-bottom: 0.3rem;
}

.activity-detail-label {
  font-weight: 600;
  color: var(--aw-color-text-secondary);
  margin-right: 0.4rem;
}

.activity-detail-content {
  white-space: pre-wrap;
  word-break: break-word;
  margin: 0.5rem 0;
  padding: 0.5rem;
  background: var(--aw-color-bg-primary);
  border-radius: 4px;
  border: 1px solid var(--aw-color-border-light);
  max-height: 300px;
  overflow-y: auto;
}

/* Markdown-rendered content override */
.activity-detail-content.activity-markdown {
  white-space: normal;
}
.activity-markdown h1,
.activity-markdown h2,
.activity-markdown h3,
.activity-markdown h4 { margin: 0.5em 0 0.25em; line-height: 1.3; }
.activity-markdown h1 { font-size: 1.1em; }
.activity-markdown h2 { font-size: 1.05em; }
.activity-markdown h3 { font-size: 1em; }
.activity-markdown p { margin: 0.3em 0; }
.activity-markdown ul,
.activity-markdown ol { margin: 0.3em 0; padding-left: 1.4em; }
.activity-markdown li { margin: 0.15em 0; }
.activity-markdown code { background: var(--aw-color-code-inline-bg); padding: 1px 4px; border-radius: 3px; font-size: 0.9em; }
.activity-markdown pre { background: var(--aw-color-code-bg); color: var(--aw-color-code-text); padding: 8px 10px; border-radius: 4px; overflow-x: auto; margin: 0.4em 0; }
.activity-markdown pre code { background: none; padding: 0; color: inherit; }

.activity-meta {
  font-family: monospace;
  font-size: 0.78rem;
  background: var(--aw-color-bg-primary);
  padding: 0.4rem;
  border-radius: 4px;
  border: 1px solid var(--aw-color-border-light);
  white-space: pre-wrap;
  word-break: break-all;
}

.activity-load-more {
  display: block;
  width: 100%;
  padding: 0.6rem;
  margin-top: 0.5rem;
  border: 1px solid var(--aw-color-border-medium);
  background: transparent;
  cursor: pointer;
  border-radius: 6px;
  font-size: 0.85rem;
  color: var(--aw-color-text-secondary);
  transition: all 0.15s;
}

.activity-load-more:hover {
  background: var(--aw-color-bg-hover);
}

.activity-load-more:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.activity-page .activity-empty {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--aw-color-text-muted);
  font-size: 0.9rem;
}

@keyframes activitySlideDown {
  from { opacity: 0; max-height: 0; }
  to { opacity: 1; max-height: 500px; }
}

/* ============================================
   Activity Group Styles
   ============================================ */

.activity-group-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--aw-color-border-light);
  cursor: pointer;
  transition: background 0.15s;
  font-size: 0.88rem;
}

.activity-group-header:hover,
.activity-group-header:active {
  background: var(--aw-color-bg-subtle);
}

.activity-group-header.expanded {
  background: var(--aw-color-bg-alt);
  border-bottom-color: transparent;
}

.activity-group-chevron {
  flex-shrink: 0;
  width: 1rem;
  font-size: 0.7rem;
  color: var(--aw-color-text-muted);
  text-align: center;
}

.activity-group-label {
  flex: 1;
  min-width: 0;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.activity-group-count {
  flex-shrink: 0;
  font-size: 0.78rem;
  color: var(--aw-color-text-faint);
}

.activity-group-badge-open {
  flex-shrink: 0;
  font-size: 0.72rem;
  padding: 0.1rem 0.4rem;
  border-radius: 999px;
  background: var(--aw-color-warning-bg);
  color: var(--aw-color-warning-text);
  font-weight: 500;
}

.activity-group-events {
  padding: 0.25rem 0 0.25rem 1.5rem;
  border-bottom: 1px solid var(--aw-color-border-light);
  background: var(--aw-color-bg-subtle);
  animation: activitySlideDown 0.15s ease-out;
}

.activity-group-event {
  display: flex;
  align-items: flex-start;
  gap: 0.4rem;
  padding: 0.2rem 0.5rem;
  font-size: 0.82rem;
  line-height: 1.5;
}

.activity-tree-connector {
  flex-shrink: 0;
  width: 1rem;
  color: var(--aw-color-border-dark);
  font-family: monospace;
  text-align: center;
  user-select: none;
}

.activity-tool-result {
  color: var(--aw-color-text-secondary);
}

.activity-tool-result.tool-error {
  color: var(--aw-color-error-dark);
}

.activity-group-show-more {
  padding: 0.3rem 0.5rem 0.3rem 2rem;
  font-size: 0.8rem;
  color: var(--aw-color-accent);
  cursor: pointer;
  transition: background 0.1s;
}

.activity-group-show-more:hover,
.activity-group-show-more:active {
  background: var(--aw-color-bg-hover);
  border-radius: 4px;
}