/* Projects Page Specific Styles */
.projects-filter-section {
  padding: var(--space-8) 0;
}

.filter-tabs {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-10);
}

.filter-tab {
  background: var(--surface-light);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.filter-tab:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.filter-tab.active {
  background: var(--color-primary);
  color: var(--surface-dark);
  border-color: var(--color-primary);
}

/* Filter Grid Transitions */
.filter-grid {
  transition: min-height 0.3s ease;
}

.project-card {
  transition: opacity 0.4s ease, transform 0.4s ease;
  opacity: 1;
  transform: scale(1);
}

.project-card.hidden {
  display: none;
  opacity: 0;
  transform: scale(0.95);
}

/* Skeleton Loading */
.skeleton-card {
  background: var(--surface-light);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 400px;
  display: flex;
  flex-direction: column;
}

.skeleton-img {
  height: 200px;
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
}

.skeleton-body {
  padding: var(--space-5);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.skeleton-title {
  height: 24px;
  width: 70%;
  border-radius: var(--radius-sm);
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
}

.skeleton-text {
  height: 16px;
  width: 100%;
  border-radius: var(--radius-sm);
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
}

.skeleton-text.short {
  width: 50%;
}

@keyframes skeleton-loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}