.attendance-insights-page {
  padding-bottom: 3rem;
}

.attendance-insights-head {
  margin-bottom: 2rem;
}

.insights-filters {
  margin-bottom: 2rem;
  background: rgba(30, 41, 59, 0.7);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.filters-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  align-items: flex-end;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
  min-width: 150px;
}

.filter-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.filter-group select,
.filter-group input {
  padding: 0.75rem 1rem;
  background: var(--bg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text);
  border-radius: 8px;
  font-size: 0.95rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.filter-group select:focus,
.filter-group input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.insights-summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.summary-card {
  background: linear-gradient(145deg, rgba(30, 41, 59, 0.8), rgba(15, 23, 42, 0.9));
  border: 1px solid rgba(255, 255, 255, 0.05);
  padding: 1.5rem;
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.summary-card:hover {
  transform: translateY(-5px);
}

.summary-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.summary-card h3 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 0.25rem;
  background: linear-gradient(to right, #fff, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.summary-sub {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.4);
}

.stat-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0;
  font-size: 0.95rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.stat-row:last-child {
  border-bottom: none;
}

.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 0.5rem;
}
.status-dot.early { background: var(--success); box-shadow: 0 0 8px var(--success); }
.status-dot.on-time { background: var(--primary); box-shadow: 0 0 8px var(--primary); }
.status-dot.late { background: var(--danger); box-shadow: 0 0 8px var(--danger); }

.insights-charts-grid {
  margin-bottom: 2rem;
}

.chart-container {
  position: relative;
  height: 350px;
  width: 100%;
}

.timeline-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-height: 500px;
  overflow-y: auto;
  padding-right: 0.5rem;
}

.timeline-date {
  font-size: 0.85rem;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-top: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.timeline-item {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  padding: 1rem;
  transition: background 0.2s;
}

.timeline-item:hover {
  background: rgba(255, 255, 255, 0.04);
}

.timeline-header {
  margin-bottom: 0.5rem;
  font-size: 1.05rem;
}

.timeline-details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}