/* ════════════════════════════════════════════════════════
 * page-growth-bem.css — Turn B
 * BEM 元件層：page head / KPI / chart card / chart row
 * 全部 scope 至 .growth-analysis-page
 * ════════════════════════════════════════════════════════ */

/* ── Page head ──────────────────────────────────────── */
.growth-analysis-page .ga-page-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--momo-space-4, 16px);
  padding: var(--momo-space-4, 16px) var(--momo-space-5, 24px);
  margin-top: var(--momo-space-3, 12px);
  background: var(--momo-bg-surface);
  border: 1px solid var(--momo-border-subtle);
  border-radius: var(--momo-radius-md, 4px);
  box-shadow: var(--momo-shadow-md);
}
.growth-analysis-page .ga-page-head__title {
  display: flex;
  align-items: center;
  gap: var(--momo-space-2, 8px);
  min-width: 0;
}
.growth-analysis-page .ga-page-head__icon {
  color: var(--momo-page-accent);
  font-size: var(--momo-text-title);
}
.growth-analysis-page .ga-page-head__h1 {
  margin: 0;
  color: var(--momo-page-ink, var(--momo-text-primary));
  font-family: var(--momo-font-display);
  font-size: var(--momo-text-headline);
  font-weight: var(--momo-font-weight-black);
  line-height: var(--momo-line-height-tight);
  letter-spacing: 0;
}
.growth-analysis-page .ga-page-head__meta {
  flex: 0 0 auto;
  color: var(--momo-text-secondary);
  font-size: var(--momo-text-meta);
  line-height: var(--momo-line-height-base);
  text-align: right;
}
.growth-analysis-page .ga-page-head__meta strong {
  color: var(--momo-text-primary);
  font-family: var(--momo-font-mono);
  font-weight: var(--momo-font-weight-bold);
  font-feature-settings: "tnum";
}

.growth-analysis-page .ga-empty-state {
  display: grid;
  gap: var(--momo-space-2, 8px);
  padding: var(--momo-space-7, 48px) var(--momo-space-5, 24px);
  margin-bottom: var(--momo-space-4, 16px);
  color: var(--momo-text-tertiary);
  background: var(--momo-bg-surface);
  border: 1px solid var(--momo-border-light);
  border-radius: var(--momo-radius-md, 4px);
  text-align: center;
}

.growth-analysis-page .ga-empty-state i {
  color: var(--momo-page-accent-dark);
  font-size: var(--momo-text-headline);
}

.growth-analysis-page .ga-empty-state h2 {
  margin: 0;
  color: var(--momo-text-primary);
  font-size: var(--momo-text-title);
  font-weight: var(--momo-font-weight-bold);
  line-height: var(--momo-line-height-tight);
}

.growth-analysis-page .ga-empty-state p {
  margin: 0;
  color: var(--momo-text-secondary);
}

/* ── KPI Row ────────────────────────────────────────── */
.growth-analysis-page .ga-kpi-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--momo-space-3, 12px);
}
@media (max-width: 992px) {
  .growth-analysis-page .ga-kpi-row { grid-template-columns: 1fr; }
}

.growth-analysis-page .ga-kpi {
  position: relative;
  overflow: hidden;
  min-height: 132px;
  padding: var(--momo-space-5, 24px);
  color: var(--momo-text-primary);
  background: var(--momo-bg-elevated);
  border: 1px solid var(--momo-border-strong);
  border-left: 4px solid var(--ga-kpi-accent, var(--momo-page-accent));
  border-radius: var(--momo-radius-md, 4px);
  box-shadow: var(--momo-shadow-md);
}
.growth-analysis-page .ga-kpi--revenue {
  --ga-kpi-accent: var(--momo-page-accent);
}
.growth-analysis-page .ga-kpi--aov {
  --ga-kpi-accent: var(--momo-warning-text);
}
.growth-analysis-page .ga-kpi--orders {
  --ga-kpi-accent: var(--momo-success-text);
}

.growth-analysis-page .ga-kpi__label {
  position: relative;
  z-index: 1;
  margin-bottom: var(--momo-space-2, 8px);
  color: var(--momo-text-secondary);
  font-size: var(--momo-text-body-sm);
  font-weight: var(--momo-font-weight-bold);
  letter-spacing: 0;
  line-height: var(--momo-line-height-tight);
}
.growth-analysis-page .ga-kpi__value {
  position: relative;
  z-index: 1;
  margin-bottom: var(--momo-space-1, 4px);
  color: var(--momo-text-primary);
  font-family: var(--momo-font-mono);
  font-feature-settings: "tnum";
  font-size: var(--momo-text-display);
  font-weight: var(--momo-font-weight-black);
  letter-spacing: 0;
  line-height: var(--momo-line-height-tight);
}
.growth-analysis-page .ga-kpi__delta {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--momo-space-1, 4px);
  margin-top: var(--momo-space-2, 8px);
}
.growth-analysis-page .ga-kpi__chip {
  display: inline-flex;
  align-items: center;
  padding: var(--momo-space-1, 4px) var(--momo-space-2, 8px);
  color: var(--momo-tag-honey-text);
  background: var(--momo-tag-honey-bg);
  border: 1px solid var(--momo-tag-honey-border);
  border-radius: var(--momo-radius-sm, 2px);
  font-size: var(--momo-text-label);
  font-weight: var(--momo-font-weight-bold);
  line-height: 1;
  letter-spacing: 0;
}
.growth-analysis-page .ga-kpi__yoy {
  font-family: var(--momo-font-mono);
  font-feature-settings: "tnum";
  font-size: var(--momo-text-body-sm);
  font-weight: var(--momo-font-weight-bold);
}
.growth-analysis-page .ga-kpi__yoy.is-up   { color: var(--momo-danger-text); }
.growth-analysis-page .ga-kpi__yoy.is-down { color: var(--momo-success-text); }
.growth-analysis-page .ga-kpi__hint {
  position: relative;
  z-index: 1;
  margin-top: var(--momo-space-1, 4px);
  color: var(--momo-text-secondary);
  font-size: var(--momo-text-meta);
}
.growth-analysis-page .ga-kpi__icon-bg {
  position: absolute;
  right: var(--momo-space-6, 32px);
  bottom: var(--momo-space-3, 12px);
  color: var(--ga-kpi-accent);
  font-size: 72px;
  opacity: 0.1;
  transform: rotate(-15deg);
  pointer-events: none;
}

/* ── Chart Row 變體 ─────────────────────────────────── */
.growth-analysis-page .ga-chart-row {
  display: grid;
  gap: var(--momo-space-3, 12px);
}
.growth-analysis-page .ga-chart-row--8-4 { grid-template-columns: 2fr 1fr; }
.growth-analysis-page .ga-chart-row--6-6 { grid-template-columns: 1fr 1fr; }
@media (max-width: 992px) {
  .growth-analysis-page .ga-chart-row--8-4,
  .growth-analysis-page .ga-chart-row--6-6 { grid-template-columns: 1fr; }
}

/* ── Chart Card ─────────────────────────────────────── */
.growth-analysis-page .ga-chart-card {
  display: flex;
  flex-direction: column;
  background: var(--momo-bg-surface);
  border: 1px solid var(--momo-border-strong);
  border-radius: var(--momo-radius-md, 4px);
  box-shadow: var(--momo-shadow-md);
  overflow: hidden;
}
.growth-analysis-page .ga-chart-card__head {
  padding: var(--momo-space-4, 16px) var(--momo-space-5, 24px);
  background: var(--momo-bg-elevated);
  border-bottom: 1px solid var(--momo-border-subtle);
}
.growth-analysis-page .ga-chart-card__title {
  display: inline-flex;
  align-items: center;
  gap: var(--momo-space-2, 8px);
  color: var(--momo-text-primary);
  font-size: var(--momo-text-title);
  font-weight: var(--momo-font-weight-bold);
  line-height: var(--momo-line-height-tight);
  letter-spacing: 0;
}
.growth-analysis-page .ga-chart-card__title i {
  color: var(--momo-page-accent);
}
.growth-analysis-page .ga-chart-card__body {
  padding: var(--momo-space-4, 16px);
  height: var(--ga-chart-h, 320px);
}
.growth-analysis-page .ga-chart-card__body--lg {
  height: 350px;
}
.growth-analysis-page .ga-chart-card__body--md {
  height: 300px;
}
.growth-analysis-page .ga-chart-card__body canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}
.growth-analysis-page .ga-chart-card__body.chart-fallback-active canvas {
  display: none !important;
}
.growth-analysis-page .ga-chart-card__body.chart-empty-active canvas {
  display: none !important;
}
.growth-analysis-page .ga-chart-empty {
  position: absolute;
  inset: var(--momo-space-4, 16px);
  border: 1px dashed var(--momo-page-accent-line);
  border-radius: var(--momo-radius-md, 6px);
  background: color-mix(in srgb, var(--momo-bg-paper) 86%, white);
  color: var(--momo-text-secondary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--momo-space-2, 8px);
  text-align: center;
  padding: var(--momo-space-4, 16px);
}
.growth-analysis-page .ga-chart-empty strong {
  color: var(--momo-text-primary);
  font-size: var(--momo-text-body, 16px);
  letter-spacing: 0;
}
.growth-analysis-page .ga-chart-empty span {
  max-width: 34rem;
  font-size: var(--momo-text-caption, 12px);
  line-height: 1.6;
  letter-spacing: 0;
}
.growth-analysis-page .ga-chart-fallback {
  position: absolute;
  inset: var(--momo-space-4, 16px);
  display: flex;
  align-items: flex-end;
  gap: var(--momo-space-2, 8px);
}
.growth-analysis-page .ga-chart-card__body {
  position: relative;
}
.growth-analysis-page .ga-chart-fallback__bar {
  flex: 1 1 0;
  height: var(--bar-h);
  min-height: 8px;
  border: 1px solid var(--momo-page-accent-line);
  border-radius: 6px 6px 2px 2px;
  background: color-mix(in srgb, var(--momo-page-accent) 72%, white);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--momo-space-1, 4px);
}
.growth-analysis-page .ga-chart-fallback__bar.is-negative {
  background: color-mix(in srgb, var(--momo-danger-bg) 84%, white);
}
.growth-analysis-page .ga-chart-fallback__bar span,
.growth-analysis-page .ga-chart-fallback__bar strong {
  font-family: var(--momo-font-mono);
  font-size: var(--momo-text-caption, 12px);
  letter-spacing: 0;
}
.growth-analysis-page .ga-chart-snapshot {
  position: absolute;
  inset: var(--momo-space-4, 16px);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--momo-space-2, 8px);
  align-content: center;
}
.growth-analysis-page .ga-chart-snapshot__item {
  min-width: 0;
  border: 1px solid var(--momo-page-accent-line);
  border-radius: var(--momo-radius-md, 6px);
  background: color-mix(in srgb, var(--momo-page-accent-soft) 72%, white);
  padding: var(--momo-space-2, 8px);
  display: flex;
  justify-content: space-between;
  gap: var(--momo-space-2, 8px);
}
.growth-analysis-page .ga-chart-snapshot__item b,
.growth-analysis-page .ga-chart-snapshot__item strong {
  min-width: 0;
  font-family: var(--momo-font-mono);
  font-size: var(--momo-text-caption, 12px);
  letter-spacing: 0;
}
.growth-analysis-page .ga-chart-snapshot__item b {
  color: var(--momo-text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.growth-analysis-page .ga-chart-snapshot__item strong {
  color: var(--momo-text-primary);
  white-space: nowrap;
}

.growth-analysis-page .ga-chart-card__body:not(.chart-fallback-active) .ga-chart-fallback,
.growth-analysis-page .ga-chart-card__body:not(.chart-fallback-active) .ga-chart-snapshot {
  display: none !important;
}

.growth-analysis-page .ga-chart-card__body:not(.chart-empty-active) .ga-chart-empty {
  display: none !important;
}

.growth-analysis-page .ga-chart-card__body.chart-fallback-active .ga-chart-fallback {
  display: flex;
}

.growth-analysis-page .ga-chart-card__body.chart-fallback-active .ga-chart-snapshot {
  display: grid;
}

.growth-analysis-page .ga-competitor-quality {
  display: grid;
  grid-template-columns: minmax(82px, 0.8fr) minmax(0, 1fr);
  gap: 10px 12px;
  align-items: center;
  width: 100%;
}

.growth-analysis-page .ga-competitor-quality span {
  color: var(--momo-text-secondary);
  font-size: var(--momo-text-caption, 12px);
  font-weight: 700;
}

.growth-analysis-page .ga-competitor-quality strong {
  min-width: 0;
  color: var(--momo-text-primary);
  font-size: clamp(1rem, 1.5vw, 1.45rem);
  overflow-wrap: anywhere;
}

@media (max-width: 640px) {
  .growth-analysis-page .ga-page-head {
    align-items: flex-start;
    flex-direction: column;
    padding: var(--momo-space-3, 12px) var(--momo-space-4, 16px);
  }

  .growth-analysis-page .ga-page-head__h1 {
    font-size: var(--momo-text-title);
  }

  .growth-analysis-page .ga-page-head__meta {
    width: 100%;
    text-align: left;
  }

  .growth-analysis-page .ga-kpi {
    min-height: 112px;
    padding: var(--momo-space-4, 16px);
  }

  .growth-analysis-page .ga-kpi__value {
    font-size: var(--momo-text-headline);
  }

  .growth-analysis-page .ga-kpi__icon-bg {
    right: var(--momo-space-5, 24px);
    bottom: var(--momo-space-2, 8px);
    font-size: 54px;
    opacity: 0.08;
  }

  .growth-analysis-page .ga-chart-card__body {
    height: 260px !important;
    padding: var(--momo-space-3, 12px);
  }
}