/* Campaign Discovery Panel
 * =========================
 * Browse and search public campaigns to join.
 * Extends campaign card styles from _campaign_list.css
 */

.campaign-discovery-panel {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

.campaign-discovery-panel .panel-header {
  padding: 1rem;
  border-bottom: 1px solid var(--border-color, #333);
}

.campaign-discovery-panel .panel-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.25rem;
  font-weight: bold;
  margin: 0 0 0.25rem 0;
  color: var(--text-primary, #e0e0e0);
}

.campaign-discovery-panel .panel-title svg {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--primary-color, #4a9eff);
}

.campaign-discovery-panel .panel-subtitle {
  font-size: 0.875rem;
  margin: 0;
  color: var(--text-secondary, #888);
}

/* Search Section */
.campaign-discovery-panel .panel-search {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--panel-bg-highlight, #1a1a1a);
  border-bottom: 1px solid var(--border-color, #333);
}

.search-input-wrapper {
  display: flex;
  gap: 0.5rem;
}

.search-input {
  flex: 1;
  padding: 0.5rem 0.75rem;
  background: var(--input-bg, #0d0d0d);
  border: 1px solid var(--border-color, #333);
  border-radius: 0.375rem;
  color: var(--text-primary, #e0e0e0);
  font-family: inherit;
  font-size: 0.875rem;
}

.search-input:focus {
  outline: none;
  border-color: var(--primary-color, #4a9eff);
}

.search-input::placeholder {
  color: var(--text-muted, #666);
}

.btn-search {
  padding: 0.5rem 0.75rem;
  background: var(--primary-color, #4a9eff);
  border: none;
  border-radius: 0.375rem;
  color: #000;
  cursor: pointer;
  transition: background 0.2s ease;
}

.btn-search:hover {
  background: var(--primary-hover, #3a8eef);
}

.btn-search svg {
  width: 1rem;
  height: 1rem;
}

/* Filters */
.search-filters {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.filter-select {
  padding: 0.375rem 0.5rem;
  background: var(--input-bg, #0d0d0d);
  border: 1px solid var(--border-color, #333);
  border-radius: 0.25rem;
  color: var(--text-primary, #e0e0e0);
  font-family: inherit;
  font-size: 0.75rem;
  cursor: pointer;
}

.filter-select:focus {
  outline: none;
  border-color: var(--primary-color, #4a9eff);
}

/* Campaign List Content */
.campaign-discovery-panel .panel-content {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
}

.campaign-discovery-panel .campaigns-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* Discovery-specific campaign card styles */
.campaign-discovery-panel .campaign-card {
  border: 1px solid var(--border-color, #333);
  border-radius: 0.5rem;
  padding: 1rem;
  background: var(--panel-bg, #1a1a1a);
  transition: all 0.2s ease;
}

.campaign-discovery-panel .campaign-card:hover {
  border-color: var(--primary-color, #4a9eff);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.campaign-discovery-panel .campaign-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.5rem;
}

.campaign-discovery-panel .campaign-name {
  font-size: 1rem;
  font-weight: 600;
  margin: 0;
  color: var(--text-primary, #e0e0e0);
}

.campaign-discovery-panel .campaign-status {
  font-size: 0.625rem;
  padding: 0.125rem 0.375rem;
  border-radius: 0.25rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.campaign-discovery-panel .status-recruiting {
  background: var(--success-color, #4ade80);
  color: #000;
}

.campaign-discovery-panel .status-active {
  background: var(--primary-color, #4a9eff);
  color: #000;
}

.campaign-discovery-panel .campaign-meta {
  display: flex;
  gap: 1rem;
  margin-bottom: 0.5rem;
  font-size: 0.75rem;
  color: var(--text-secondary, #888);
}

.campaign-discovery-panel .campaign-description {
  margin: 0.5rem 0;
  font-size: 0.8125rem;
  color: var(--text-secondary, #888);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.campaign-discovery-panel .campaign-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-subtle, #2a2a2a);
}

.campaign-discovery-panel .campaign-activity {
  font-size: 0.6875rem;
  color: var(--text-muted, #666);
}

.campaign-discovery-panel .btn-join {
  padding: 0.375rem 0.75rem;
  background: var(--primary-color, #4a9eff);
  border: none;
  border-radius: 0.25rem;
  color: #000;
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.campaign-discovery-panel .btn-join:hover:not(:disabled) {
  background: var(--primary-hover, #3a8eef);
}

.campaign-discovery-panel .btn-join:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.campaign-discovery-panel .btn-join.btn-success {
  background: var(--success-color, #4ade80);
}

/* Loading State */
.campaign-discovery-panel .loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 1rem;
  color: var(--text-secondary, #888);
}

.campaign-discovery-panel .loading-spinner {
  width: 2rem;
  height: 2rem;
  border: 2px solid var(--border-color, #333);
  border-top-color: var(--primary-color, #4a9eff);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 1rem;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Empty State */
.campaign-discovery-panel .empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-secondary, #888);
}

.campaign-discovery-panel .empty-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.4;
}

.campaign-discovery-panel .empty-icon svg {
  width: 3rem;
  height: 3rem;
}

.campaign-discovery-panel .empty-state h4 {
  font-size: 1.125rem;
  font-weight: 500;
  margin: 0 0 0.5rem 0;
  color: var(--text-primary, #e0e0e0);
}

.campaign-discovery-panel .empty-state p {
  margin: 0;
  font-size: 0.875rem;
}

/* Error State */
.campaign-discovery-panel .error-state {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--error-color, #ef4444);
}

.campaign-discovery-panel .error-state p {
  margin: 0 0 1rem 0;
}

/* Pagination */
.campaign-discovery-panel .panel-footer {
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--border-color, #333);
}

.campaign-discovery-panel .pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.campaign-discovery-panel .btn-pagination {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.375rem 0.625rem;
  background: var(--panel-bg, #1a1a1a);
  border: 1px solid var(--border-color, #333);
  border-radius: 0.25rem;
  color: var(--text-primary, #e0e0e0);
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.campaign-discovery-panel .btn-pagination:hover:not(:disabled) {
  border-color: var(--primary-color, #4a9eff);
  background: rgba(74, 158, 255, 0.1);
}

.campaign-discovery-panel .btn-pagination:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.campaign-discovery-panel .btn-pagination svg {
  width: 0.875rem;
  height: 0.875rem;
}

.campaign-discovery-panel .page-info {
  font-size: 0.75rem;
  color: var(--text-secondary, #888);
}

/* Hidden utility */
.campaign-discovery-panel .hidden {
  display: none;
}