.staff-container {
  max-width: 1200px;
  margin: 2rem auto;
  padding: 0 1rem;
}

.staff-header {
  margin-bottom: 2rem;
  text-align: center;
}

.staff-header h1 {
  font-size: 2.5rem;
  color: var(--m3-primary);
  margin-bottom: 1rem;
}

.staff-header p {
  font-size: 1.1rem;
  color: var(--m3-on-surface-variant);
  max-width: 800px;
  margin: 0 auto;
}

.staff-nav {
  background-color: var(--m3-surface-container);
  border-radius: var(--m3-shape-small);
  padding: 1rem;
  margin-bottom: 2rem;
}

.staff-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  padding: 0;
  justify-content: center;
}

.staff-nav li {
  margin: 0.25rem;
  background-color: var(--m3-primary);
  border-radius: var(--m3-shape-small);
}

.view-btn {
  display: inline-block;
  padding: 0.6rem 1.2rem;
  background-color: var(--m3-primary);
  color: var(--m3-on-primary);
  border-radius: var(--m3-shape-small);
  font-weight: 500;
  text-decoration: none;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.view-btn:hover,
.view-btn.active {
  background-color: var(--m3-primary-container);
  color: var(--m3-on-primary-container);
  transform: translateY(-2px);
}

.tab-container {
  margin-top: 1rem;
}

.tab-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.tab-btn {
  flex: 1;
  min-width: 120px;
}

.tab-content {
  display: none;
  animation: fadeIn 0.5s;
}

.tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.staff-section {
  margin-bottom: 3rem;
  animation: fadeIn 0.5s;
  display: none;
}

.staff-section.active {
  display: block;
}

.staff-section h2 {
  color: var(--m3-primary);
  border-bottom: 2px solid var(--m3-outline-variant);
  padding-bottom: 0.5rem;
  margin-bottom: 1.5rem;
  position: relative;
}

.staff-section h2::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 60px;
  height: 2px;
  background-color: var(--m3-primary);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  box-shadow: var(--m3-shadow-2);
  overflow: hidden;
  border-radius: var(--m3-shape-small);
  margin-bottom: 2rem;
}

.data-table thead {
  background-color: var(--m3-primary);
  color: var(--m3-on-primary);
}

.data-table th, 
.data-table td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid #eee;
}

.data-table tr:nth-child(even) {
  background-color: var(--m3-surface-container-low);
}

.data-table tr:hover {
  background-color: var(--m3-surface-variant);
}

.search-container {
  margin-bottom: 1.5rem;
}

.search-input {
  width: 95%;
  padding: 0.8rem 1rem;
  border: 1px solid var(--m3-outline-variant);
  border-radius: var(--m3-shape-small);
  font-size: 1rem;
  transition: border-color 0.3s;
  background-color: var(--m3-surface-container-low);
}

.search-input:focus {
  outline: none;
  border-color: var(--m3-primary);
  background-color: var(--m3-surface-container);
}

.staff-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.staff-card {
  background-color: var(--m3-surface-container);
  border-radius: var(--m3-shape-small);
  overflow: hidden;
  box-shadow: var(--m3-shadow-2);
  transition: transform 0.3s, box-shadow 0.3s;
}

.staff-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--m3-shadow-3);
  background-color: var(--m3-surface-container-high);
}

.staff-image {
  height: 200px;
  width: 100%;
  object-fit: cover;
  background-color: #eee;
  display: flex;
  align-items: center;
  justify-content: center;
}

.staff-image img {
  width: 80px;
  height: 80px;
  opacity: 0.3;
}

.staff-info {
  padding: 1.2rem;
}

.staff-info h3 {
  margin: 0 0 0.5rem;
  color: #1a3b5d;
  font-size: 1.1rem;
}

.staff-info p {
  margin: 0.3rem 0;
  color: #666;
  font-size: 0.9rem;
}

.staff-info .position {
  color: #333;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.staff-info .qualification {
  color: #555;
  font-style: italic;
}

@media (max-width: 768px) {
  .staff-nav ul {
    flex-direction: column;
    align-items: stretch;
  }
  
  .staff-nav li {
    margin: 0.25rem 0;
  }
  
  .tab-buttons {
    flex-direction: column;
  }
  
  .staff-cards {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  }
  
  .data-table {
    display: block;
    overflow-x: auto;
  }
  
  .staff-header h1 {
    font-size: 2rem;
  }
}