.app-sidebar {
  position: relative;
  z-index: 2;
  min-height: 100%;
  overflow: visible;
  border-right: 1px solid var(--surface);
  background: color-mix(in srgb, var(--mantle) 88%, transparent);
}

.app-sidebar-panel {
  position: sticky;
  top: 0;
  overflow: visible;
  padding: 24px clamp(16px, 2.5vw, 28px);
}

.app-sidebar h2 {
  margin-bottom: 8px;
  color: var(--mauve);
  font-size: 1rem;
}

.app-sidebar nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}

.sidebar-item {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 6px 0;
  color: var(--sub);
  text-decoration: none;
}

.sidebar-item:hover {
  color: var(--blue);
}

.sidebar-item.is-active {
  color: var(--text);
  font-weight: 700;
}

.sidebar-item.is-muted {
  opacity: 0.62;
}

.sidebar-item.has-avatar {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 9px;
  min-height: 48px;
  padding: 7px;
  border-radius: 7px;
}

.sidebar-item.has-avatar.is-active {
  background: color-mix(in srgb, var(--blue) 16%, var(--mantle));
}

.sidebar-avatar {
  width: 40px;
  height: 40px;
  border-radius: 7px;
  object-fit: cover;
}

.sidebar-avatar.is-compact {
  width: 32px;
  height: 32px;
}

.sidebar-item-text {
  min-width: 0;
}

.sidebar-item-text strong,
.sidebar-item-text small {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sidebar-item-text small {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--sub);
  font-size: 0.7rem;
  font-weight: 400;
}

.sidebar-status-icon {
  width: 12px;
  height: 12px;
  flex: 0 0 12px;
}

.app-tooltip {
  position: absolute;
  z-index: 40;
  inset-inline-start: calc(100% + 10px);
  top: 50%;
  width: max-content;
  max-width: min(18rem, 60vw);
  padding: 6px 8px;
  border: 1px solid var(--surface);
  border-radius: 5px;
  background: var(--mantle);
  color: var(--sub);
  box-shadow: 0 4px 14px rgb(0 0 0 / 18%);
  opacity: 0;
  pointer-events: none;
  transform: translate(4px, -50%);
  transition: opacity 0.12s ease, transform 0.12s ease;
}

.sidebar-item:hover .app-tooltip,
.sidebar-item:focus-visible .app-tooltip {
  opacity: 1;
  transform: translate(0, -50%);
}

@media (max-width: 820px) {
  .app-sidebar {
    grid-row: 1;
    grid-column: 1;
    min-height: 0;
    overflow-x: auto;
    border-right: 0;
    border-bottom: 1px solid var(--surface);
  }

  .app-sidebar-panel {
    position: static;
    min-width: max-content;
    max-height: none;
    padding: 14px 18px;
  }

  .app-sidebar h2 {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
  }

  .app-sidebar nav {
    flex-direction: row;
    gap: 14px;
    margin: 0 0 10px;
  }

  .sidebar-item {
    min-width: max-content;
    padding: 4px 0;
  }

  .sidebar-item.has-avatar {
    min-width: 148px;
    padding: 7px;
  }

  .app-tooltip,
  .sidebar-item:hover .app-tooltip,
  .sidebar-item:focus-visible .app-tooltip {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .app-tooltip {
    transition: none;
  }
}