:root {
  --accent: oklch(58% 0.15 240);
  --accent-soft: oklch(58% 0.15 240 / 12%);
  --accent-secondary: oklch(72% 0.19 145);
  --accent-warning: oklch(72% 0.17 85);
  --border-radius: 12px;
  --border-radius-sm: 6px;
}

body {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px 32px;
}

.container {
  background: var(--bg);
  border: 1px solid var(--line);
  padding: 32px;
  border-radius: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  justify-content: center;
  align-items: flex-start;
  transition: border-color var(--ease);
}

.container:hover {
  border-color: var(--line-hover);
}

h1 {
  color: var(--ink);
  text-align: center;
  margin: 0 0 8px 0;
  width: 100%;
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.chart-container {
  position: relative;
  height: 600px;
  width: 600px;
  margin: 0 auto;
  flex: 0 1 600px;
  background: var(--bg-elevated);
  border-radius: var(--border-radius);
  padding: 20px;
  border: 1px solid var(--line);
}

.info-panel {
  flex: 0 1 300px;
  background: var(--bg-surface);
  border-radius: var(--border-radius);
  border: 1px solid var(--line);
  box-shadow:
    0 1px 3px rgba(0, 0, 0, 0.05),
    0 4px 12px rgba(0, 0, 0, 0.04);
  padding: 24px;
  font-size: 0.9375rem;
  color: var(--ink-2);
  min-width: 260px;
  max-width: 340px;
  transition:
    border-color var(--ease),
    box-shadow var(--ease);
}

.info-panel:hover {
  border-color: var(--line-hover);
  box-shadow:
    0 2px 6px rgba(0, 0, 0, 0.08),
    0 8px 24px rgba(0, 0, 0, 0.06);
}

.info-panel h3 {
  margin: 0 0 16px 0;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ink-3);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.prediction-box {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.1), rgba(245, 158, 11, 0.05));
  border: 1px solid rgba(245, 158, 11, 0.25);
  border-radius: var(--border-radius-sm);
  padding: 16px;
  margin-bottom: 20px;
  font-size: 0.875rem;
  line-height: 1.7;
}

.prediction-box strong {
  color: var(--ink);
  font-weight: 500;
}

.prediction-highlight {
  color: var(--accent-warning) !important;
  font-weight: 600 !important;
}

.legend-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
  margin-bottom: 8px;
}

.legend-row strong {
  color: var(--ink);
  font-weight: 500;
  font-size: 0.9375rem;
}

.legend-color {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 3px;
  flex-shrink: 0;
}

.legend-dff {
  background: var(--accent);
}

.legend-fad {
  background: var(--accent-secondary);
}

.legend-desc {
  font-size: 0.8125rem;
  color: var(--ink-3);
  line-height: 1.6;
}

.source-link {
  width: 100%;
  text-align: center;
  margin: 8px 0 0 0;
  font-size: 0.8125rem;
}

.source-link a {
  color: var(--ink-3);
  text-decoration: none;
  transition: color var(--ease);
  border-bottom: 1px solid transparent;
}

.source-link a:hover {
  color: var(--ink-2);
  border-bottom-color: var(--ink-3);
}

@media (max-width: 768px) {
  body {
    padding: 16px 16px 16px;
  }

  .container {
    padding: 20px;
    gap: 24px;
  }

  h1 {
    font-size: 1.5rem;
  }

  .chart-container {
    width: 100%;
    height: 400px;
    flex: 1 1 100%;
  }

  .info-panel {
    flex: 1 1 100%;
    max-width: 100%;
  }
}