// _activity.scss — Activity feed page  (.av-* prefix)
// Covers: activity.html + fragments/activity_rows.html

// ── Page card ─────────────────────────────────────────────────────────────────
.av-page {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.av-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  overflow: hidden;
}

// ── Stat strip ────────────────────────────────────────────────────────────────
.av-stat-strip {
  display: flex;
  align-items: stretch;
  border-bottom: 1px solid var(--border-default);
}

.av-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  padding: var(--space-4) var(--space-3);
  gap: 3px;
}

.av-stat-sep {
  width: 1px;
  background: var(--border-default);
  flex-shrink: 0;
}

.av-stat-value {
  font-size: 20px;
  font-weight: var(--font-weight-bold);
  font-family: var(--font-mono);
  color: var(--text-primary);
  line-height: 1;
}
.av-stat-value--sm {
  font-size: 13px;
  font-family: var(--font-sans);
}

.av-stat-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: var(--font-weight-medium);
}

// ── Filter toolbar ────────────────────────────────────────────────────────────
.av-filter-bar {
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border-subtle);
  padding: 0 var(--space-4);
  min-height: 46px;
  gap: 0;
  flex-wrap: wrap;
  overflow-x: auto;
}

.av-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 12px 11px;
  font-size: 12px;
  color: var(--text-muted);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: color var(--transition-fast), border-color var(--transition-fast);
  flex-shrink: 0;

  svg { opacity: 0.7; }

  &:hover { color: var(--text-secondary); text-decoration: none; }

  &.av-pill--active {
    color: var(--text-primary);
    border-bottom-color: var(--color-accent);
    font-weight: var(--font-weight-semibold);
    svg { opacity: 1; }
  }
}

.av-pill-count {
  background: var(--bg-overlay);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  font-size: 10px;
  font-weight: var(--font-weight-semibold);
  font-family: var(--font-mono);
  padding: 1px 6px;
  min-width: 18px;
  text-align: center;
  color: var(--text-muted);
}

.av-filter-count {
  margin-left: auto;
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  padding: 0 var(--space-2);
  flex-shrink: 0;
}

// ── Date group header ─────────────────────────────────────────────────────────
.av-date-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-5);
  font-size: 11px;
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-muted);
  background: var(--bg-overlay);
  border-bottom: 1px solid var(--border-subtle);
  border-top: 1px solid var(--border-subtle);

  &:first-child { border-top: none; }
}

.av-date-line {
  flex: 1;
  height: 1px;
  background: var(--border-subtle);
}

// ── Event row ─────────────────────────────────────────────────────────────────
.av-row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--transition-fast), opacity 0.3s ease, transform 0.3s ease;

  &:last-child { border-bottom: none; }
  &:hover { background: var(--bg-overlay); }

  // Entrance animation states
  &.av-row--hidden { opacity: 0; transform: translateY(6px); }
  &.av-row--visible { opacity: 1; transform: translateY(0); animation: av-fade-in 0.25s ease forwards; }
}

@keyframes av-fade-in {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

// Icon column with connector line
.av-row-icon-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
  gap: 0;
}

.av-icon-badge {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: var(--bg-overlay);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);

  // Per-type colors
  &.av-type-commit_pushed   { background: rgba(88,166,255,0.12);   color: #58a6ff; border-color: rgba(88,166,255,0.25); }
  &.av-type-proposal_opened       { background: rgba(63,185,80,0.12);    color: #3fb950; border-color: rgba(63,185,80,0.25); }
  &.av-type-proposal_merged       { background: rgba(163,113,247,0.12);  color: #a371f7; border-color: rgba(163,113,247,0.25); }
  &.av-type-proposal_closed       { background: rgba(248,81,73,0.12);    color: #f85149; border-color: rgba(248,81,73,0.25); }
  &.av-type-issue_opened    { background: rgba(240,136,62,0.12);   color: #f0883e; border-color: rgba(240,136,62,0.25); }
  &.av-type-issue_closed    { background: rgba(63,185,80,0.12);    color: #3fb950; border-color: rgba(63,185,80,0.25); }
  &.av-type-branch_created  { background: rgba(45,212,191,0.12);   color: #2dd4bf; border-color: rgba(45,212,191,0.25); }
  &.av-type-branch_deleted  { background: rgba(248,81,73,0.08);    color: #f85149; border-color: rgba(248,81,73,0.2); }
  &.av-type-tag_pushed      { background: rgba(227,179,65,0.12);   color: #e3b341; border-color: rgba(227,179,65,0.25); }
  &.av-type-session_started { background: rgba(163,113,247,0.12);  color: #a371f7; border-color: rgba(163,113,247,0.25); }
  &.av-type-session_ended   { background: var(--bg-overlay);       color: var(--text-muted); }
}

.av-row-connector {
  width: 1px;
  flex: 1;
  min-height: 16px;
  background: var(--border-subtle);
  margin-top: 3px;
}

// Row body
.av-row-body {
  flex: 1;
  min-width: 0;
  padding-top: 4px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.av-row-title {
  font-size: 13px;
  color: var(--text-primary);
  font-weight: var(--font-weight-medium);
  line-height: 1.4;
}

.av-row-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 5px;
  font-size: 11px;
  color: var(--text-muted);
}

.av-actor-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  &:hover { text-decoration: underline; color: var(--color-accent-link); }
}

.av-actor-avatar {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  font-size: 8px;
  font-weight: var(--font-weight-bold);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.av-actor-link--agent .av-actor-avatar {
  background: var(--color-accent-emphasis, #7c3aed);
  border-radius: 3px;
}

.av-agent-badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 0.65rem;
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-accent-emphasis, #7c3aed);
  background: color-mix(in srgb, var(--color-accent-emphasis, #7c3aed) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-accent-emphasis, #7c3aed) 30%, transparent);
  border-radius: 10px;
  padding: 1px 5px;
  svg { vertical-align: -1px; }
}

.av-type-label {
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  background: var(--bg-overlay);
  border: 1px solid var(--border-subtle);
  font-size: 10px;
  font-weight: var(--font-weight-semibold);
  color: var(--text-muted);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

// Metadata chips
.av-chip {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-family: var(--font-mono);
  text-decoration: none;
  background: var(--bg-overlay);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

a.av-chip:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  text-decoration: none;
}

.av-chip-commit { color: #58a6ff; border-color: rgba(88,166,255,0.3); }
.av-chip-branch { color: #2dd4bf; border-color: rgba(45,212,191,0.3); }
.av-chip-proposal { color: #a371f7; border-color: rgba(163,113,247,0.3); }
.av-chip-tag    { color: #e3b341; border-color: rgba(227,179,65,0.3); }
.av-chip-session{ color: var(--text-muted); }

// ── Pagination wrapper ────────────────────────────────────────────────────────
.av-pagination {
  padding: var(--space-3) var(--space-5);
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-overlay);
}

// ── Empty state ───────────────────────────────────────────────────────────────
.av-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-12) var(--space-6);
  text-align: center;
  gap: var(--space-3);
}

.av-empty-icon  { opacity: 0.3; }
.av-empty-title { font-size: 18px; font-weight: var(--font-weight-semibold); color: var(--text-secondary); }
.av-empty-desc  { font-size: 14px; color: var(--text-muted); line-height: 1.6; }
.av-empty-link  { font-size: 13px; color: var(--color-accent-link); text-decoration: none; &:hover { text-decoration: underline; } }