/* =============================================
   TRIGADA AI — Performance Comparison chart
   Reusable component (home + Our Algos pages).
   All selectors scoped under .comparison-chart.
   ============================================= */
.comparison-chart {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  overflow: visible;
  width: 100%;
  max-width: 960px;
  margin-inline: auto;
  box-sizing: border-box;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.comparison-chart .chart-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  text-align: center;
  margin: 0 0 0.5rem 0;
}

.comparison-chart .chart-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  text-align: center;
  margin: 0 0 2rem 0;
}

/* Legend */
.comparison-chart .chart-legend-top {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.comparison-chart .legend-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

.comparison-chart .legend-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}

.comparison-chart .legend-dot.swift {
  background: linear-gradient(135deg, #FF7A3D, #FFA879);
  box-shadow: 0 0 8px rgba(255, 122, 61, 0.45);
}

.comparison-chart .legend-dot.harvest {
  background: linear-gradient(135deg, #F59E0B, #FBBF24);
  box-shadow: 0 0 8px rgba(245, 158, 11, 0.4);
}

.comparison-chart .legend-dot.sp {
  background: linear-gradient(135deg, #8494A7, #5B6675);
  box-shadow: 0 0 8px rgba(132, 148, 167, 0.4);
}

/* Chart container */
.comparison-chart .chart-container {
  position: relative;
  margin-bottom: 32px;
  overflow: visible;
  width: 100%;
  display: flex;
  flex-direction: column;
}

.comparison-chart .chart-canvas {
  position: relative;
  display: flex;
  gap: 1rem;
  background: var(--bg-base);
  border-radius: var(--radius-md);
  padding: 1.5rem 1rem 2rem 1rem;
  border: 1px solid var(--border);
  overflow: visible;
  width: 100%;
  box-sizing: border-box;
  isolation: isolate;
}

.comparison-chart .y-axis {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 40px;
  min-width: 40px;
  flex-shrink: 0;
  padding-right: 0.75rem;
  border-right: 1px solid var(--border);
}

.comparison-chart .y-axis span {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: right;
  white-space: nowrap;
}

.comparison-chart .chart-area {
  flex: 1;
  position: relative;
  width: 100%;
  min-width: 0;
  min-height: 250px;
  overflow: visible;
  border-radius: 8px;
}

@supports (aspect-ratio: 1) {
  .comparison-chart .chart-area {
    aspect-ratio: 2.5 / 1;
    max-height: 350px;
    min-height: unset;
  }
}

.comparison-chart .chart-grid {
  z-index: 1;
}

.comparison-chart .chart-svg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: hidden;
  clip-path: inset(0 0 0 0);
}

.comparison-chart .chart-line {
  transition: stroke-dashoffset 2s ease-out;
}

.comparison-chart:not(.animated) .chart-line {
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
}

.comparison-chart:not(.animated) .point {
  opacity: 0;
  transform: translate(-50%, 50%) scale(0);
}

/* Data points */
.comparison-chart .data-points {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.comparison-chart .point {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  transform: translate(-50%, 50%);
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 5;
}

.comparison-chart .point:focus {
  outline: 2px solid rgba(255, 122, 61, 0.6);
  outline-offset: 2px;
}

.comparison-chart .points-swift .point {
  background: #FF7A3D;
  border: 2px solid #FFA879;
  box-shadow: 0 0 8px rgba(255, 122, 61, 0.45);
}

.comparison-chart .points-harvest .point {
  background: #F59E0B;
  border: 2px solid #FBBF24;
  box-shadow: 0 0 8px rgba(245, 158, 11, 0.4);
}

.comparison-chart .points-sp .point {
  background: #8494A7;
  border: 2px solid #5B6675;
  box-shadow: 0 0 8px rgba(132, 148, 167, 0.4);
}

.comparison-chart .point:hover {
  transform: translate(-50%, 50%) scale(1.5);
  z-index: 100;
  filter: brightness(1.2);
}

.comparison-chart .point:hover::after {
  content: attr(data-value);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.95);
  padding: 0.4rem 0.65rem;
  border-radius: 6px;
  font-size: 0.8125rem;
  font-weight: 600;
  white-space: nowrap;
  pointer-events: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  z-index: 100;
}

.comparison-chart .point.tooltip-bottom:hover::after {
  bottom: auto;
  top: calc(100% + 8px);
}

.comparison-chart .point.tooltip-right:hover::after {
  left: 0;
  transform: none;
}

.comparison-chart .point.tooltip-left:hover::after {
  left: auto;
  right: 0;
  transform: none;
}

.comparison-chart .point-swift:hover::after { color: #FFA879; }
.comparison-chart .point-harvest:hover::after { color: #FBBF24; }
.comparison-chart .point-sp:hover::after { color: #B0BEC5; }

/* X-axis */
.comparison-chart .x-axis {
  display: flex;
  justify-content: space-between;
  margin-top: 1rem;
  padding: 0 1rem;
  width: 100%;
  box-sizing: border-box;
}

.comparison-chart .x-axis span {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  text-align: center;
  flex: 1;
  min-width: 0;
}

/* Stats */
.comparison-chart .chart-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  width: 100%;
  box-sizing: border-box;
}

.comparison-chart .stat-item {
  text-align: center;
  padding: 1.25rem;
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

.comparison-chart .stat-label {
  display: block;
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  font-weight: 500;
  line-height: 1.4;
}

.comparison-chart .stat-value {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.comparison-chart .stat-swift .stat-value { color: #FF7A3D; }
.comparison-chart .stat-harvest .stat-value { color: #F59E0B; }
.comparison-chart .stat-sp .stat-value { color: #B0BEC5; }
.comparison-chart .brand-text { color: var(--brand-primary); }

/* Responsive */
@media (max-width: 1024px) {
  .comparison-chart { padding: 24px; }
  .comparison-chart .chart-stats { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .comparison-chart .chart-legend-top { gap: 1rem; }
  @supports (aspect-ratio: 1) {
    .comparison-chart .chart-area { aspect-ratio: 2.5 / 1; max-height: 300px; }
  }
}

@media (max-width: 768px) {
  .comparison-chart { padding: 20px; }
  .comparison-chart .chart-title { font-size: 1.375rem; }
  .comparison-chart .chart-subtitle { font-size: 0.8125rem; margin-bottom: 24px; }
  .comparison-chart .chart-legend-top {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
  }
  .comparison-chart .chart-canvas { padding: 1rem 0.75rem 2rem 0.75rem; gap: 0.5rem; overflow: hidden; }
  .comparison-chart .y-axis { width: 36px; min-width: 36px; padding-right: 0.5rem; }
  .comparison-chart .y-axis span { font-size: 0.6875rem; }
  @supports (aspect-ratio: 1) {
    .comparison-chart .chart-area { aspect-ratio: 2 / 1; max-height: 280px; }
  }
  .comparison-chart .chart-stats { grid-template-columns: 1fr; gap: 12px; }
  .comparison-chart .stat-item {
    padding: 18px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
  }
  .comparison-chart .stat-label { margin-bottom: 0; }
  .comparison-chart .stat-value { font-size: 1.5rem; text-align: right; }
  .comparison-chart .point { width: 8px; height: 8px; }
}

@media (max-width: 480px) {
  .comparison-chart { padding: 16px; }
  .comparison-chart .y-axis { width: 30px; min-width: 30px; padding-right: 0.375rem; }
  .comparison-chart .y-axis span { font-size: 0.5625rem; }
  @supports (aspect-ratio: 1) {
    .comparison-chart .chart-area { aspect-ratio: 1.8 / 1; max-height: 240px; }
  }
  .comparison-chart .x-axis span { font-size: 0.6875rem; }
  .comparison-chart .stat-value { font-size: 1.375rem; white-space: nowrap; }
}