/* ═══════════════════════════════════════════════════════
   TEACHER PORTAL — analytics.css
   Analytics grid, chart cards.
   ═══════════════════════════════════════════════════════ */

.analytics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.chart-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
}

.chart-card.chart-wide { grid-column: 1 / -1; }

.chart-title {
  font-family: 'Sora', sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 20px;
}

.chart-wrap {
  position: relative;
  height: 240px;
}

.chart-wrap canvas { max-height: 240px; }