.pareto-panel {
  margin: var(--gap) var(--page-pad) 0;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-muted);
}
.pareto-heading {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 24px;
  margin-bottom: 16px;
}
.pareto-heading h2 { margin: 0 0 4px; font-size: 20px; }
.pareto-axis-control { display: flex; align-items: center; gap: 8px; color: var(--muted); white-space: nowrap; }
.pareto-axis-control select { padding: 7px 10px; border: 1px solid var(--border-strong); border-radius: var(--radius-sm); background: var(--surface); color: var(--text); font: inherit; }
.pareto-chart-key { margin: 0 0 12px; color: var(--muted); font-size: var(--text-small); }
.pareto-heading p, .pareto-side p, .pareto-note {
  margin: 0;
  color: var(--muted);
  font-size: var(--text-body);
}
.pareto-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 270px);
  gap: 16px;
  align-items: stretch;
}
.pareto-chart-wrap {
  min-width: 0;
  position: relative;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
}
#pareto-chart { width: 100%; min-width: 0; }
#pareto-chart svg { display: block; max-width: 100%; height: auto; }
.pareto-grid { stroke: var(--border); stroke-dasharray: 3 5; }
.pareto-tick, .pareto-axis { fill: var(--muted); font: 11px var(--mono); }
.pareto-axis { fill: var(--text); }
.pareto-line { stroke: var(--green); stroke-width: 2; stroke-linejoin: round; }
.pareto-reasoning-line { stroke: var(--blue); stroke-width: 2; stroke-dasharray: 5 5; pointer-events: none; }
.pareto-whisker { stroke: var(--muted); stroke-width: 1.3; opacity: 0.55; pointer-events: none; }
.pareto-whisker.is-active { stroke-width: 2.2; opacity: 1; }
.pareto-point { fill: var(--blue); stroke: var(--surface); stroke-width: 1.5; cursor: pointer; }
.pareto-point:hover, .pareto-point:focus-visible { stroke: var(--text); stroke-width: 3; outline: none; }
.pareto-point.pareto-frontier-point { fill: var(--green); stroke: var(--surface); stroke-width: 2; }
.pareto-point.is-selected { stroke: var(--red); stroke-width: 3; }
.pareto-tip {
  position: absolute;
  z-index: 5;
  width: min(300px, calc(100% - 16px));
  padding: 12px 14px;
  display: grid;
  gap: 4px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 8px 28px rgb(0 0 0 / 20%);
  pointer-events: none;
  font-size: var(--text-body);
}
.pareto-tip[hidden] { display: none; }
.pareto-tip strong { line-height: 1.3; overflow-wrap: anywhere; }
.pareto-tip small { color: var(--muted); }
.pareto-tip span { font-family: var(--mono); font-size: var(--text-small); }
.pareto-tip .pareto-tip-route-range { color: var(--muted); }
.pareto-side {
  min-height: 0;
  max-height: 470px;
  overflow-y: auto;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
}
.pareto-side h3 { margin: 0 0 4px; font-size: var(--text-heading); }
.pareto-nearby {
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.pareto-nearby[hidden] { display: none; }
#pareto-nearby-list { display: grid; gap: 4px; margin-top: 8px; }
.pareto-nearby-item {
  width: 100%;
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  text-align: left;
  cursor: pointer;
}
.pareto-nearby-item span { display: block; color: var(--muted); font: var(--text-small) var(--mono); }
.pareto-nearby-item:hover, .pareto-nearby-item:focus-visible {
  border-color: var(--blue);
  background: var(--surface-hover);
}
.pareto-nearby-item[aria-pressed="true"] { border-color: var(--green); }
.pareto-side ol { list-style: none; margin: 16px 0 0; padding: 0; border-left: 2px solid var(--green); }
.pareto-side li { position: relative; margin: 0 0 8px; }
.pareto-side li::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 15px;
  width: 7px;
  height: 7px;
  background: var(--green);
}
.pareto-list-item {
  width: 100%;
  display: grid;
  gap: 3px;
  padding: 7px 8px 7px 14px;
  border: 0;
  background: transparent;
  color: var(--text);
  text-align: left;
  cursor: pointer;
}
.pareto-list-item strong { overflow-wrap: anywhere; font-size: var(--text-body); }
.pareto-list-item small { color: var(--muted); overflow-wrap: anywhere; }
.pareto-list-item span { font: 600 var(--text-small) var(--mono); color: var(--green); }
.pareto-list-item:hover, .pareto-list-item:focus-visible { background: var(--surface-hover); outline: 1px solid var(--blue); }
.pareto-list-item.is-selected { background: var(--surface-hover); outline: 1px solid var(--red); }
.pareto-note { margin-top: 12px; max-width: 85ch; }
.pareto-empty { padding: 32px; color: var(--muted); }
@media (max-width: 800px) {
  .pareto-panel { padding: 12px; }
  .pareto-heading { display: block; }
  .pareto-heading > p { margin-top: 8px; }
  .pareto-axis-control { margin-top: 10px; }
  .pareto-layout { grid-template-columns: minmax(0, 1fr); }
  .pareto-side { max-height: 260px; }
}