/* Trace list + span tree */

.trace-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 16px;
}
.trace-item {
  display: grid;
  grid-template-columns: 1fr auto auto auto;
  gap: 16px;
  align-items: center;
  padding: 14px 18px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  text-decoration: none;
  color: var(--ink);
  transition: border-color .12s var(--ease), background .12s var(--ease);
}
.trace-item:hover { border-color: var(--teal); background: var(--canvas-2); }
.trace-item .label { font-family: var(--font-mono); font-size: 13px; color: var(--ink); }
.trace-item .meta  { color: var(--ink-2); font-size: 12px; white-space: nowrap; }

/* Span tree — one row per span; bars show self_us (solid) + total_us (faint) */
.trace-detail-head {
  margin-top: 12px;
  margin-bottom: 12px;
}
.trace-detail-head h2 { font-size: 22px; margin-bottom: 4px; }
.trace-detail-head .muted { color: var(--ink-2); font-size: 13px; }

.span-tree {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 12px;
}
.span-row {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) 280px 90px 90px;
  align-items: center;
  gap: 12px;
  padding: 4px 14px;
  border-bottom: 1px solid var(--canvas-2);
  white-space: nowrap;
  min-width: 760px;
}
.span-row:hover { background: var(--canvas-2); }
.span-row .name { color: var(--ink); overflow: hidden; text-overflow: ellipsis; }
.span-row .name .resolved { color: var(--teal); font-weight: 500; }
.span-row .name .where { color: var(--ink-3); }

.span-row .bars {
  position: relative;
  height: 12px;
  background: var(--canvas-2);
  border-radius: 2px;
  overflow: hidden;
}
.span-row .bar-total {
  position: absolute; top: 0; left: 0; height: 100%;
  background: color-mix(in srgb, var(--teal) 30%, transparent);
}
.span-row .bar-self {
  position: absolute; top: 0; left: 0; height: 100%;
  background: var(--teal);
}

.span-row .self-us, .span-row .total-us {
  text-align: right;
  color: var(--ink-2);
  font-variant-numeric: tabular-nums;
}

.trace-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--ink-2);
}
.trace-empty code {
  display: inline-block;
  background: var(--canvas-2);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 8px 14px;
  margin-top: 12px;
  font-size: 13px;
  color: var(--ink);
  text-align: left;
}