/* ── Sidebar ───────────────────────────────────────────────────────────────── */

app-sidebar {
  display: flex;
  flex-direction: column;
  width: var(--sidebar-width);
  height: 100%;
  background: var(--sidebar-bg);
  flex-shrink: 0;
  padding: 1.25rem 0 1rem;
  overflow-y: auto;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0 1rem 1.25rem;
  color: var(--sidebar-brand-color);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.sidebar-brand i {
  font-size: 1.1rem;
  opacity: 0.85;
}

.sidebar-brand-icon {
  width: 22px;
  height: 22px;
  border-radius: 5px;
  object-fit: cover;
  flex-shrink: 0;
}

.sidebar-divider {
  border-color: var(--sidebar-divider);
  margin: 0.85rem 1rem;
  opacity: 1;
}

.sidebar-section-toggle {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  width: 100%;
  background: none;
  border: none;
  padding: 0.2rem 1rem 0.2rem 0.85rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--sidebar-label-color);
  cursor: pointer;
  margin-top: 0.5rem;
}

.sidebar-section-toggle:hover {
  color: var(--bs-body-color);
}

.sidebar-section-toggle i {
  font-size: 0.65rem;
}

.sidebar-section-count {
  margin-left: auto;
  font-size: 0.65rem;
  opacity: 0.6;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  padding: 0 0.5rem;
}

.sidebar-nav--sessions .sidebar-link {
  align-items: flex-start;
  padding-top: 0.35rem;
  padding-bottom: 0.35rem;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.20rem 0.30rem;
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: 0.875rem;
  border-radius: 0.25rem;
  transition: background 0.12s, color 0.12s;
}

.sidebar-link i {
  font-size: 0.95rem;
  width: 1.1rem;
  text-align: center;
  opacity: 0.8;
}

.sidebar-link-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sidebar-link:hover {
  background: var(--sidebar-hover);
  color: var(--sidebar-text-active);
}

.sidebar-link.active {
  background: var(--sidebar-active-bg);
  color: var(--sidebar-text-active);
  font-weight: 500;
  border-radius: 0.25rem;
}

.sidebar-link.active i {
  opacity: 1;
}

.sidebar-session-meta {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.sidebar-session-date {
  font-size: 0.72rem;
  opacity: 0.55;
  line-height: 1.2;
}

.sidebar-agent-badge {
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  opacity: 0.6;
  background: var(--bs-secondary-bg, rgba(128,128,128,0.15));
  border-radius: 3px;
  padding: 0 4px;
  line-height: 1.6;
}

.sidebar-session-preview {
  display: block;
  font-size: 0.78rem;
  opacity: 0.85;
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 160px;
}

/* ── Submenu (Task Manager) ── */

.sidebar-link-chevron {
  margin-left: auto;
  font-size: 0.7rem !important;
  width: auto !important;
  opacity: 0.55;
  transition: transform 0.15s;
}

.sidebar-submenu {
  display: flex;
  flex-direction: column;
  gap: 0.05rem;
  padding: 0.1rem 0 0.1rem 1.25rem;
}

.sidebar-sublink {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.18rem 0.40rem;
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: 0.84rem;
  border-radius: 0.25rem;
  transition: background 0.12s, color 0.12s;
}

.sidebar-sublink i {
  font-size: 0.82rem;
  width: 1rem;
  text-align: center;
  opacity: 0.7;
}

.sidebar-sublink:hover {
  background: var(--sidebar-hover);
  color: var(--sidebar-text-active);
}

.sidebar-sublink.active {
  background: var(--sidebar-active-bg);
  color: var(--sidebar-text-active);
  font-weight: 500;
}

.sidebar-sublink.active i {
  opacity: 1;
}

/* ── Project quick-links in sidebar ── */

.sidebar-project-link {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.18rem 0.40rem;
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: 0.82rem;
  border-radius: 0.25rem;
  transition: background 0.12s, color 0.12s;
  cursor: pointer;
}

.sidebar-project-link:hover {
  background: var(--sidebar-hover);
  color: var(--sidebar-text-active);
}

.sidebar-project-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.81rem;
}

.sidebar-project-chat-btn {
  display: none;
  background: none;
  border: none;
  padding: 0 0.15rem;
  color: inherit;
  opacity: 0.6;
  cursor: pointer;
  font-size: 0.8rem;
  line-height: 1;
}

.sidebar-project-link:hover .sidebar-project-chat-btn {
  display: flex;
  align-items: center;
}