.performance-tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 6px;
  margin-bottom: 14px;
}

.performance-tab {
  border: 0;
  background: transparent;
  border-radius: var(--radius-sm);
  padding: 7px 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
}

.performance-tab:hover {
  color: var(--ink);
  background: var(--surface-2);
}

.performance-tab.active {
  background: var(--accent-soft);
  color: var(--accent);
}

.compact-tabs {
  margin: 0 0 12px 0;
  border: 0;
  padding: 0;
  background: transparent;
}

.compact-tabs .performance-tab {
  padding: 7px 10px;
  background: var(--surface-2);
}

.compact-tabs .performance-tab.active {
  background: var(--accent-soft);
}

.performance-toolbar {
  display: grid;
  grid-template-columns: minmax(260px, 1.4fr) minmax(220px, 1fr) minmax(220px, 1fr);
  gap: 12px;
  margin: 0 0 14px;
}

.performance-toolbar label {
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
}

.performance-toolbar input,
.performance-toolbar select {
  height: 36px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  padding: 0 10px;
  color: var(--ink);
  font: inherit;
  font-size: 13px;
  font-weight: 500;
}

.performance-summary-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}

.performance-summary-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 13px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.performance-summary-card span {
  font-size: 11px;
  color: var(--muted);
  font-weight: 700;
}

.performance-summary-card strong {
  font-size: 20px;
  color: var(--ink);
}

.performance-summary-card small {
  font-size: 11px;
  color: var(--faint);
}

.performance-table-panel {
  overflow: hidden;
}

.performance-table-wrap {
  overflow: auto;
  max-width: 100%;
}

.entity-performance-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 900px;
}

.entity-performance-table th {
  position: sticky;
  top: 0;
  background: var(--surface-2);
  color: var(--muted);
  text-align: left;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .06em;
  padding: 11px 12px;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.entity-performance-table td {
  padding: 11px 12px;
  border-bottom: 1px solid var(--line);
  font-size: 12px;
  color: var(--ink);
  vertical-align: top;
}

.entity-performance-table tbody tr:hover {
  background: var(--surface-2);
}

.performance-snapshot-panel {
  margin-top: 16px;
}

.performance-snapshot {
  min-height: 130px;
}

.snapshot-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 5px 0 8px;
  color: var(--muted);
  font-size: 12px;
}

.compact-table {
  max-height: 290px;
}

.compact-table .entity-performance-table {
  min-width: 760px;
}

.compact-table .entity-performance-table td,
.compact-table .entity-performance-table th {
  padding: 8px 10px;
}

.mini-spinner {
  width: 14px;
  height: 14px;
  border: 2px solid var(--line-strong);
  border-top-color: var(--accent);
  border-radius: 50%;
  display: inline-block;
  animation: spin .8s linear infinite;
  margin-right: 6px;
}

@media (max-width: 1100px) {
  .performance-summary-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .performance-toolbar {
    grid-template-columns: 1fr;
  }
  .performance-tabs {
    overflow: auto;
    flex-wrap: nowrap;
  }
  .performance-tab {
    white-space: nowrap;
  }
}