.load-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.85fr);
  gap: 24px;
  align-items: start;
  margin-bottom: 24px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.load-intro h2 {
  margin-bottom: 8px;
}

.load-intro p {
  margin: 0;
  max-width: 720px;
}

.term-list {
  display: grid;
  gap: 10px;
}

.term-list div {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
}

.term-list strong,
.term-list span {
  display: block;
}

.term-list strong {
  margin-bottom: 3px;
  color: var(--ink);
}

.term-list span {
  color: var(--muted);
  font-size: 0.92rem;
}

.load-layout {
  grid-template-columns: 1fr;
}

.load-stage {
  display: grid;
  gap: 22px;
}

.load-overview,
.load-insights {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.load-overview article,
.load-insights article,
.load-context > div {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
}

.load-overview span,
.load-insights span {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
}

.load-overview strong,
.load-insights strong {
  display: block;
  margin-top: 4px;
  color: var(--ink);
}

.load-overview strong {
  font-size: 1.08rem;
}

.load-insights strong {
  font-size: 1.15rem;
}

.load-overview p,
.load-insights p,
.load-context p {
  margin: 4px 0 0;
  font-size: 0.9rem;
}

.load-chart-panel {
  display: grid;
  gap: 18px;
}

.chart-toolbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: start;
}

.chart-toolbar h2 {
  margin-bottom: 8px;
}

.chart-controls-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
}

.metric-controls {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
  max-width: 480px;
}

.overlay-control {
  display: flex;
  justify-content: flex-end;
}

.overlay-button {
  min-height: 36px;
  padding: 0 14px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  font-size: 0.88rem;
  white-space: nowrap;
}

.overlay-button[aria-pressed="true"] {
  border-color: #d97706;
  border-style: solid;
  color: #92400e;
  background: #fef3c7;
}

.overlay-button:hover:not(:disabled),
.overlay-button:focus-visible:not(:disabled) {
  border-color: #d97706;
  border-style: solid;
  color: #92400e;
}

.overlay-button:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.overlay-button:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.metric-button {
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  white-space: nowrap;
}

.metric-button:hover,
.metric-button:focus-visible,
.metric-button.is-active {
  border-color: var(--accent);
  color: var(--accent-dark);
}

.metric-button:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.metric-note {
  max-width: 650px;
  margin: 0;
  color: var(--muted);
}

.load-chart-wrap {
  position: relative;
  min-height: 360px;
}

.line-chart {
  display: block;
  width: 100%;
  height: auto;
  min-height: 320px;
}

.chart-grid line {
  stroke: var(--line);
  stroke-width: 1;
}

.chart-grid text,
.chart-axis text {
  fill: var(--muted);
  font-size: 0.78rem;
}

.chart-axis-right text {
  fill: #d97706;
  font-size: 0.78rem;
}

.chart-axis-right-label {
  font-size: 0.72rem;
  font-weight: 700;
}

.chart-legend-text {
  fill: var(--ink);
  font-size: 0.8rem;
}

.chart-line {
  filter: drop-shadow(0 8px 12px rgba(23, 32, 42, 0.12));
}

.chart-point {
  cursor: pointer;
}

.chart-point:hover,
.chart-point:focus {
  r: 7;
}

.chart-tooltip {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
  display: grid;
  gap: 2px;
  width: max-content;
  max-width: 230px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--ink);
  color: var(--surface);
  font-size: 0.85rem;
  pointer-events: none;
}

.chart-tooltip[hidden] {
  display: none;
}

.chart-tooltip span {
  color: rgba(255, 255, 255, 0.78);
}

.load-context {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.load-context h2 {
  margin-bottom: 8px;
}

@media (max-width: 760px) {
  .load-intro,
  .chart-toolbar,
  .load-context {
    grid-template-columns: 1fr;
  }

  .load-overview,
  .load-insights {
    grid-template-columns: 1fr;
  }

  .chart-controls-right {
    align-items: flex-start;
  }

  .metric-controls {
    justify-content: flex-start;
    max-width: none;
  }

  .overlay-control {
    justify-content: flex-start;
  }

  .metric-button {
    flex: 1 1 140px;
  }
}