.animate_rotate {
  -webkit-animation: spin 5s linear infinite;
  -moz-animation: spin 5s linear infinite;
  -o-animation: spin 5s linear infinite;
  animation: spin 5s linear infinite;
}

@-webkit-keyframes spin {
  100% {
    -webkit-transform: rotate(360deg);
    -moz-transform: rotate(360deg);
    -o-transform: rotate(360deg);
    transform: rotate(360deg);
  }
}

@-moz-keyframes spin {
  100% {
    -webkit-transform: rotate(360deg);
    -moz-transform: rotate(360deg);
    -o-transform: rotate(360deg);
    transform: rotate(360deg);
  }
}

@-o-keyframes spin {
  100% {
    -webkit-transform: rotate(360deg);
    -moz-transform: rotate(360deg);
    -o-transform: rotate(360deg);
    transform: rotate(360deg);
  }
}

@keyframes spin {
  100% {
    -webkit-transform: rotate(360deg);
    -moz-transform: rotate(360deg);
    -o-transform: rotate(360deg);
    transform: rotate(360deg);
  }
}

/* Sorting and Filtering Styles */

/* Sortable table headers */
.sortable-header {
  white-space: nowrap;
  position: relative;
}

.sort-link {
  color: #495057;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color 0.2s ease;
  padding: 4px 8px;
  border-radius: 4px;
}

.sort-link:hover {
  color: #007bff;
  text-decoration: none;
  background-color: #f8f9fa;
}

.sort-link.current {
  color: #007bff;
  font-weight: 600;
  background-color: #e3f2fd;
}

.sort-indicator {
  font-size: 0.7em;
  font-weight: bold;
  margin-left: 2px;
  opacity: 0.8;
}

.sort-link:hover .sort-indicator {
  opacity: 1;
}

/* Filter form styles */
.filter-card {
  border: 1px solid #dee2e6;
  border-radius: 0.375rem;
  box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}

.filter-header {
  background-color: #f8f9fa;
  border-bottom: 1px solid #dee2e6;
  padding: 1rem;
}

.filter-header h5 {
  color: #495057;
  font-weight: 600;
  margin: 0;
}

.form-label {
  font-weight: 500;
  color: #495057;
  margin-bottom: 0.5rem;
}

.form-control:focus,
.form-select:focus {
  border-color: #007bff;
  box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

/* Active filters badge styles */
.alert-info {
  background-color: #d1ecf1;
  border-color: #bee5eb;
  color: #0c5460;
}

.badge {
  font-weight: 500;
  padding: 0.375em 0.75em;
  margin-right: 0.5rem;
  margin-bottom: 0.5rem;
}

/* Table improvements */
.table-responsive {
  border-radius: 0.375rem;
  box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}

.project-list-table {
  margin-bottom: 0;
}

.project-list-table th {
  border-top: none;
  border-bottom: 2px solid #dee2e6;
  font-weight: 600;
  color: #495057;
  background-color: #f8f9fa;
}

.project-list-table td {
  vertical-align: middle;
  border-bottom: 1px solid #dee2e6;
}

.project-list-table tbody tr:hover {
  background-color: #f8f9fa;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .filter-card .col-md-3,
  .filter-card .col-md-6 {
    margin-bottom: 1rem;
  }
  
  .sort-link {
    font-size: 0.9em;
  }
  
  .table-responsive {
    font-size: 0.875em;
  }
}

/* Loading state for filters */
.filter-loading {
  opacity: 0.6;
  pointer-events: none;
}

/* Button improvements */
.btn-outline-secondary:hover {
  background-color: #6c757d;
  border-color: #6c757d;
}

.btn-primary i {
  margin-right: 0.5rem;
}

/* Collapsible Filter Styles */
#filterHeading {
  padding: 0.75rem 1rem;
}

#filterHeading .btn-link {
  color: #495057;
  font-weight: 600;
  padding: 0;
  font-size: 1rem;
}

#filterHeading .btn-link:hover {
  color: #007bff;
}

#filterHeading .btn-link:focus {
  box-shadow: none;
  border: none;
}

#filterToggleIcon {
  transition: transform 0.3s ease;
  font-size: 1.2rem;
}

#filterToggleIcon.rotated {
  transform: rotate(180deg);
}

/* Collapse animation */
.collapse {
  transition: height 0.35s ease;
}

/* Card header adjustments for collapsible */
.card-header {
  padding: 0.75rem 1rem;
  background-color: #f8f9fa;
  border-bottom: 1px solid #dee2e6;
}

/* Filter icon styling */
.bx-filter-alt {
  margin-right: 0.5rem;
  font-size: 1.1rem;
}

/* Show active filters indicator when collapsed */
.card-header.has-active-filters {
  background-color: #e3f2fd;
  border-bottom: 2px solid #007bff;
}

.card-header.has-active-filters .btn-link {
  color: #007bff;
}

/* Active filters badge in header */
.active-filters-indicator {
  background-color: #007bff;
  color: white;
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
  border-radius: 1rem;
  margin-left: 0.5rem;
}

/* Pagination styles */
.pagination {
  margin: 0;
}

.page-link {
  color: #007bff;
  border-color: #dee2e6;
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
}

.page-link:hover {
  color: #0056b3;
  background-color: #e9ecef;
  border-color: #dee2e6;
}

.page-item.active .page-link {
  background-color: #007bff;
  border-color: #007bff;
}

.page-item.disabled .page-link {
  color: #6c757d;
  background-color: #fff;
  border-color: #dee2e6;
}

/* Responsive pagination */
@media (max-width: 576px) {
  .d-flex.justify-content-between {
    flex-direction: column;
    align-items: flex-start !important;
    gap: 1rem;
  }
  
  .pagination {
    flex-wrap: wrap;
    justify-content: center;
  }
}