:root {
  --primary-color: #800000;
  --secondary-color: #06773f;
  --accent-color: #ffc107;
  --text-color: #333;
  --light-text: #f8f9fa;
  --border-color: #ddd;
  --success-color: #28a745;
  --warning-color: #ffc107;
  --danger-color: #dc3545;
  --info-color: #17a2b8;
  --sidebar-width: 250px;
  --sidebar-collapsed: 70px;
}

/* Base styles same as student dashboard */

/* Faculty-specific styles */
.classes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.class-card {
  background-color: white;
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  transition: transform 0.2s;
}

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

.class-card h3 {
  color: var(--primary-color);
  margin-bottom: 5px;
}

.class-card p {
  color: #666;
  margin-bottom: 15px;
}

.class-stats {
  display: flex;
  justify-content: space-between;
  margin-bottom: 15px;
}

.class-stats div {
  text-align: center;
}

.class-stats span {
  font-weight: 600;
  font-size: 1.2rem;
  display: block;
}

.class-stats small {
  color: #999;
  font-size: 0.8rem;
}

.view-btn {
  width: 100%;
  padding: 8px;
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: background 0.2s;
}

.view-btn:hover {
  background-color: #6a0000;
}

.attendance-controls, .grading-controls {
  display: flex;
  gap: 15px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.date-selector, .class-selector, 
.grading-selector, .grading-period {
  display: flex;
  align-items: center;
  gap: 10px;
}

.mark-attendance-btn, .submit-grades-btn {
  background-color: var(--primary-color);
  color: white;
  border: none;
  padding: 8px 15px;
  border-radius: 5px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: background 0.2s;
}

.mark-attendance-btn:hover, 
.submit-grades-btn:hover {
  background-color: #6a0000;
}

.status-select {
  padding: 5px;
  border-radius: 4px;
  border: 1px solid #ddd;
}

.save-btn {
  padding: 5px 10px;
  background-color: var(--success-color);
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

.reports-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.report-card {
  background-color: white;
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  text-align: center;
}

.report-card i {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.report-card h3 {
  margin-bottom: 10px;
}

.report-card p {
  color: #666;
  margin-bottom: 15px;
}

.generate-btn {
  padding: 8px 15px;
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: background 0.2s;
}

.generate-btn:hover {
  background-color: #6a0000;
}

/* Stat card colors */
.classes-stat .stat-icon {
  background-color: rgba(0, 86, 179, 0.1);
  color: var(--primary-color);
}

.students-stat .stat-icon {
  background-color: rgba(40, 167, 69, 0.1);
  color: var(--success-color);
}

.pending-stat .stat-icon {
  background-color: rgba(255, 193, 7, 0.1);
  color: var(--warning-color);
}

.classes-stat .stat-value {
  color: var(--primary-color);
}

.students-stat .stat-value {
  color: var(--success-color);
}

.pending-stat .stat-value {
  color: var(--warning-color);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .attendance-controls, .grading-controls {
    flex-direction: column;
  }
  
  .date-selector, .class-selector, 
  .grading-selector, .grading-period {
    width: 100%;
  }
  
  .mark-attendance-btn, .submit-grades-btn {
    width: 100%;
    justify-content: center;
  }
}