/* 三指標累計走勢 — 儀表板 / 共用圖表 panel 基礎 */

.perf-triple-charts {
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: auto;
  gap: 0.75rem;
  width: 100%;
}

.perf-chart-panel {
  position: relative;
  min-height: 0;
  border-radius: 0.75rem;
  padding: 0.5rem;
}

.perf-chart-caption {
  position: absolute;
  top: 0.5rem;
  left: 0.625rem;
  z-index: 1;
  font-size: 0.625rem;
  line-height: 1;
  letter-spacing: 0.04em;
  color: #64748b;
  pointer-events: none;
}

.perf-chart-canvas-wrap {
  position: absolute;
  inset: 0;
  padding: 1.375rem 0.5rem 0.5rem;
}

.perf-chart-canvas-wrap canvas {
  width: 100% !important;
  height: 100% !important;
}

/* 儀表板 /performance */
.perf-triple-charts--dashboard {
  height: 13rem;
}

@media (min-width: 640px) {
  .perf-triple-charts--dashboard {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    height: 14rem;
  }

  .perf-triple-charts--dashboard .perf-chart-panel--primary {
    grid-row: span 2;
  }
}

/* 首頁橫幅圖表樣式見 index-perf-banner.css */

/* 置信度校準圖 — 說明 tooltip */
.calibration-help-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.125rem;
  height: 1.125rem;
  border-radius: 9999px;
  border: 1px solid rgba(100, 116, 139, 0.6);
  background: rgba(15, 23, 42, 0.8);
  color: #94a3b8;
  font-size: 0.625rem;
  font-weight: 700;
  line-height: 1;
  cursor: help;
  position: relative;
}

.calibration-help-btn:hover + .calibration-help-tooltip,
.calibration-help-btn:focus-visible + .calibration-help-tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.calibration-help-tooltip {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 0;
  z-index: 20;
  width: min(20rem, calc(100vw - 2rem));
  padding: 0.75rem 0.875rem;
  border-radius: 0.5rem;
  border: 1px solid rgba(51, 65, 85, 0.9);
  background: rgba(15, 23, 42, 0.98);
  color: #cbd5e1;
  font-size: 0.6875rem;
  line-height: 1.5;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity 0.15s ease, transform 0.15s ease, visibility 0.15s;
  pointer-events: none;
}

/* 模型版本事件標記 hover tooltip */
.version-marker-tooltip {
  position: absolute;
  z-index: 30;
  padding: 0.5rem 0.625rem;
  border-radius: 0.375rem;
  border: 1px solid rgba(167, 139, 250, 0.4);
  background: rgba(15, 23, 42, 0.96);
  color: #e2e8f0;
  font-size: 0.6875rem;
  line-height: 1.45;
  pointer-events: none;
  white-space: nowrap;
}

.version-marker-tooltip.hidden {
  display: none;
}