.sidebar-inner {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
}

.sidebar-top {
  display: none;
  align-items: center;
  gap: 4px;
  margin: 8px 8px 0;
}

.sidebar-switch {
  display: flex;
  flex: 1;
}

.sidebar-switch button {
  flex: 1;
  justify-content: center;
}

.sidebar-head {
  display: flex;
  align-items: center;
  gap: 4px;
  min-height: 40px;
  padding: 4px 6px 0 14px;
}

.sidebar-title {
  flex: 1;
  margin: 0;
  font-size: var(--fs-sm);
  font-weight: 650;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.sidebar-actions {
  display: flex;
  gap: 2px;
}

.sidebar-search {
  position: relative;
  display: flex;
  align-items: center;
  margin: 2px 8px 6px;
}

.sidebar-search > .icon {
  position: absolute;
  left: 8px;
  color: var(--text-faint);
  pointer-events: none;
}

.sidebar-filter {
  padding-left: 28px;
}

.sidebar-body {
  flex: 1;
  min-height: 0;
  overflow: auto;
  padding: 0 6px 12px;
}

.empty-actions {
  display: flex;
  gap: 8px;
  margin-top: 6px;
  flex-wrap: wrap;
  justify-content: center;
}

.empty.compact {
  padding: 16px 8px;
  font-size: var(--fs-sm);
}

/* Tree ------------------------------------------------------------------- */
.tree {
  display: flex;
  flex-direction: column;
}

.tree-row {
  --indent: 14px;
  position: relative;
  display: flex;
  align-items: center;
  gap: 4px;
  height: 30px;
  padding: 0 2px 0 calc(4px + var(--level) * var(--indent));
  border-radius: var(--radius);
  color: var(--text);
  cursor: pointer;
  user-select: none;
}

/*
 * Rows added out of view (.lazy, see Sidebar) are not laid out or painted while they stay out of
 * view, so a large tree draws quickly. This clips what a row draws to its box, so it is left off
 * rows that draw outside it: a drop target's line, and rows nested deep enough to be wider than a
 * narrow sidebar, which scrolls sideways.
 */
.tree-row.lazy:is([aria-level='1'], [aria-level='2'], [aria-level='3'], [aria-level='4'], [aria-level='5']):not(.drop-before, .drop-after) {
  content-visibility: auto;
}

.tree-row:hover {
  background: var(--bg-hover);
}

.tree-row[aria-selected='true'] {
  background: var(--bg-active);
}

.tree-row:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: -2px;
}

.tree-row.dragging {
  opacity: 0.45;
}

.tree-row.drop-into {
  background: var(--accent-soft);
  outline: 1px solid var(--accent);
  outline-offset: -1px;
}

.tree-row.drop-before::before,
.tree-row.drop-after::after {
  content: '';
  position: absolute;
  left: calc(4px + var(--level) * var(--indent));
  right: 4px;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
}

.tree-row.drop-before::before {
  top: -1px;
}

.tree-row.drop-after::after {
  bottom: -1px;
}

.tree-chevron {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  flex: none;
  border-radius: var(--radius-sm);
  color: var(--text-faint);
}

.tree-chevron:not(.blank):hover {
  background: var(--bg-active);
  color: var(--text);
}

.tree-lead {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  flex: none;
  min-width: 18px;
  color: var(--text-muted);
}

.tree-method {
  display: inline-block;
  min-width: 38px;
  font-size: 10px;
  text-align: right;
  padding-right: 4px;
}

.tree-name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tree-row[data-type='collection'] .tree-name {
  font-weight: 600;
}

.tree-more {
  opacity: 0;
  flex: none;
}

.tree-row:hover .tree-more,
.tree-row:focus-within .tree-more,
.tree-row[aria-selected='true'] .tree-more,
.side-row:hover .tree-more,
.side-row:focus-within .tree-more,
.history-row:hover .tree-more,
.history-row:focus-within .tree-more,
.tree-more[aria-expanded='true'] {
  opacity: 1;
}

@media (pointer: coarse) {
  .tree-more {
    opacity: 1;
  }
  .tree-row {
    height: 40px;
  }
}

/* Environment and history lists --------------------------------------------- */
.side-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.side-divider {
  height: 1px;
  margin: 6px 8px;
  background: var(--border);
}

.side-row {
  display: flex;
  align-items: center;
  border-radius: var(--radius);
}

.side-row:hover {
  background: var(--bg-hover);
}

.side-row.selected {
  background: var(--bg-active);
}

.side-row-main {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  min-width: 0;
  height: 32px;
  padding: 0 8px;
  border: 0;
  background: none;
  color: var(--text);
  text-align: left;
}

.side-row-name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.side-row-meta {
  flex: none;
  color: var(--text-faint);
  font-size: var(--fs-xs);
}

.env-check {
  display: flex;
  color: var(--text-faint);
}

.side-row:has(.active-badge) .env-check {
  color: var(--accent-text);
}

.active-badge {
  background: var(--accent-soft);
  color: var(--accent-text);
}

.history-group + .history-group {
  margin-top: 8px;
}

.history-day {
  position: sticky;
  top: 0;
  z-index: 1;
  margin: 0;
  padding: 6px 8px 4px;
  background: var(--bg);
  font-size: var(--fs-xs);
  font-weight: 650;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.history-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.history-row {
  display: flex;
  align-items: center;
  border-radius: var(--radius);
}

.history-row:hover {
  background: var(--bg-hover);
}

.history-main {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  min-width: 0;
  height: 30px;
  padding: 0 4px;
  border: 0;
  background: none;
  color: var(--text);
  text-align: left;
}

.history-url {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: var(--fs-sm);
}

.history-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: none;
  color: var(--text-faint);
  font-size: var(--fs-xs);
  font-variant-numeric: tabular-nums;
}

.history-status {
  font-weight: 700;
}

.history-status[data-class='success'] { color: var(--success); }
.history-status[data-class='redirect'],
.history-status[data-class='info'] { color: var(--info); }
.history-status[data-class='client'] { color: var(--warning); }
.history-status[data-class='server'] { color: var(--danger); }

.history-more {
  padding: 8px;
  color: var(--text-faint);
  font-size: var(--fs-sm);
  text-align: center;
}

@media (max-width: 899px) {
  .sidebar-top {
    display: flex;
  }
}

.tree-heading {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  padding: 6px 8px 4px;
  border-top: 1px solid var(--border);
  font-size: var(--fs-xs);
  font-weight: 650;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.tree-badge {
  display: flex;
  flex: none;
  color: var(--text-faint);
}