/* Classification Filter Styles */
classification-filter {
  display: block;
  margin-bottom: 20px;
}

classification-filter .filter-panel {
  background: var(--card-bg);
  border-radius: 8px;
  padding: 12px 16px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

classification-filter .filter-panel.collapsed {
  padding: 8px 16px;
}

classification-filter .filter-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

classification-filter .filter-title {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  min-width: 0;
}

classification-filter .collapse-toggle {
  background: transparent;
  border: none;
  color: var(--text-tertiary);
  font-size: 12px;
  cursor: pointer;
  padding: 4px;
  transition: color 0.2s;
  flex-shrink: 0;
}

classification-filter .collapse-toggle:hover {
  color: var(--accent-color);
}

classification-filter .filter-header h3 {
  margin: 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  flex-shrink: 0;
}

classification-filter .active-filter-label {
  background: var(--accent-color);
  color: white;
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 200px;
}

classification-filter .clear-filter {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
  flex-shrink: 0;
}

classification-filter .clear-filter:hover {
  background: var(--accent-color);
  color: white;
  border-color: var(--accent-color);
}

classification-filter .filter-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    max-height: 0;
  }
  to {
    opacity: 1;
    max-height: 500px;
  }
}

classification-filter .filter-tag {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 6px 12px;
  border-radius: 16px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

classification-filter .filter-tag:hover {
  background: var(--accent-color);
  color: white;
  border-color: var(--accent-color);
  transform: translateY(-2px);
  box-shadow: 0 2px 6px rgba(52, 152, 219, 0.3);
}

classification-filter .filter-tag.active {
  background: var(--accent-color);
  color: white;
  border-color: var(--accent-color);
}

classification-filter .show-more {
  background: transparent;
  border: 1px dashed var(--border-color);
  color: var(--text-tertiary);
  padding: 6px 12px;
  border-radius: 16px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

classification-filter .show-more:hover {
  border-color: var(--accent-color);
  color: var(--accent-color);
}