/* =========================================================
   INTEL-01.14 // HISTORICAL TREND ANALYTICS
   ========================================================= */

.b13-trends {
  margin-top: 5rem;
}

.b13-trend-note {
  margin: 1rem 0 2.5rem;
  padding: 1rem 1.1rem;

  border-left: 3px solid var(--b13-purple);
  border-radius: 0 8px 8px 0;

  color: var(--b13-muted);
  background: rgba(139, 92, 246, 0.06);

  font-size: 0.9rem;
  line-height: 1.7;
}

.b13-trend-metric-grid {
  display: grid;
  grid-template-columns:
    repeat(4, minmax(0, 1fr));

  gap: 1rem;
  margin: 1rem 0 3rem;
}

.b13-trend-metric-grid .b13-card {
  min-width: 0;
  min-height: 190px;
}

.b13-trend-delta {
  display: inline-flex;
  align-items: center;

  min-height: 1.7rem;
  margin-bottom: 0.65rem;
  padding: 0.18rem 0.55rem;

  border: 1px solid var(--b13-border);
  border-radius: 999px;

  font-family: monospace;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.b13-trend-delta.is-baseline {
  color: var(--b13-gold);
}

.b13-trend-delta.is-positive {
  color: var(--b13-purple-bright);
}

.b13-trend-delta.is-negative {
  color: var(--b13-gold);
}

.b13-trend-delta.is-neutral {
  color: var(--b13-muted);
}

.b13-trend-chart-card {
  margin: 1rem 0 3rem;
  padding: 1.25rem;

  border: 1px solid var(--b13-border);
  border-radius: 14px;

  background:
    linear-gradient(
      135deg,
      rgba(139, 92, 246, 0.055),
      rgba(17, 17, 25, 0.72)
    );
}

.b13-trend-chart-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;

  gap: 1rem;
  margin-bottom: 1rem;
}

.b13-trend-chart-header strong {
  display: block;
  color: var(--b13-text);

  font-family: monospace;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
}

.b13-trend-chart-header span {
  display: block;
  margin-top: 0.25rem;

  color: var(--b13-muted);
  font-size: 0.78rem;
}

.b13-trend-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.b13-trend-key {
  position: relative;
  padding-left: 1rem;

  color: var(--b13-muted);
  font-family: monospace;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
}

.b13-trend-key::before {
  content: "";

  position: absolute;
  left: 0;
  top: 50%;

  width: 0.55rem;
  height: 2px;

  transform: translateY(-50%);
}

.b13-trend-key--primary::before {
  background: var(--b13-purple-bright);
}

.b13-trend-key--secondary::before {
  background: var(--b13-gold);
}

.b13-trend-chart {
  width: 100%;
  min-height: 250px;
}

.b13-trend-svg {
  display: block;

  width: 100%;
  height: 250px;

  overflow: visible;
}

.b13-trend-grid-line {
  stroke: rgba(255, 255, 255, 0.07);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

.b13-trend-line {
  fill: none;

  stroke-width: 2.25;
  stroke-linecap: round;
  stroke-linejoin: round;

  vector-effect: non-scaling-stroke;
}

.b13-trend-line--primary {
  stroke: var(--b13-purple-bright);
}

.b13-trend-line--secondary {
  stroke: var(--b13-gold);
}

circle.b13-trend-line--primary {
  fill: var(--b13-purple-bright);
}

circle.b13-trend-line--secondary {
  fill: var(--b13-gold);
}

.b13-trend-point {
  stroke: var(--b13-bg);
  stroke-width: 2;

  vector-effect: non-scaling-stroke;
}

.b13-trend-axis-label {
  fill: var(--b13-muted);

  font-family: monospace;
  font-size: 12px;
}

@media screen and (max-width: 900px) {
  .b13-trend-metric-grid {
    grid-template-columns:
      repeat(2, minmax(0, 1fr));
  }
}

@media screen and (max-width: 600px) {
  .b13-trend-metric-grid {
    grid-template-columns: 1fr;
  }

  .b13-trend-chart-header {
    flex-direction: column;
  }

  .b13-trend-chart,
  .b13-trend-svg {
    min-height: 210px;
    height: 210px;
  }
}