/* ==========================================================================
   ANALYTICS & STUDY STATS STYLES
   ========================================================================== */

.analytics-container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  transition: all var(--transition-fast);
}

.metric-card:hover {
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

.metric-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.icon-purple {
  background: rgba(99, 102, 241, 0.15);
  color: var(--accent-primary);
}

.icon-green {
  background: var(--success-bg);
  color: var(--success);
}

.icon-amber {
  background: var(--warning-bg);
  color: var(--warning);
}

.icon-blue {
  background: rgba(14, 165, 233, 0.15);
  color: var(--info);
}

.metric-content h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.2rem;
}

.metric-value {
  font-size: 1.6rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--text-primary);
  line-height: 1.1;
}

.charts-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 1024px) {
  .charts-grid {
    grid-template-columns: 1fr;
  }
}

.chart-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.chart-header h3 {
  font-size: 1.05rem;
  font-weight: 700;
}

.chart-svg-wrapper {
  width: 100%;
  height: 240px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding-top: 1.5rem;
}

.svg-chart {
  width: 100%;
  height: 100%;
}