/* ==========================================================================
   Components — Visual styles for UI elements
   ========================================================================== */

/* ---------------------------------------------------------------------------
   Navbar version badge
   --------------------------------------------------------------------------- */

.app-version {
  font-size: 0.75rem;
  font-family: var(--font-mono);
}

/* ---------------------------------------------------------------------------
   Status Indicators
   --------------------------------------------------------------------------- */

.status-indicator {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 8px;
}

.status-indicator.completed {
  background: var(--app-success);
}

.status-indicator.pending {
  background: var(--app-warning);
  animation: pulse 1.5s infinite;
}

.status-indicator.error {
  background: var(--app-danger);
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

/* ---------------------------------------------------------------------------
   Research List Items
   --------------------------------------------------------------------------- */

.research-item {
  border: 1px solid var(--app-border-primary);
  border-radius: 0.375rem;
  margin-bottom: var(--spacing-md);
  transition: all 0.15s ease-in-out;
}

.research-item:hover {
  border-color: var(--app-primary);
  box-shadow: 0 0 0 0.2rem var(--app-shadow-focus);
}

.research-item-header {
  display: flex;
  justify-content: between;
  align-items: center;
  padding: var(--spacing-lg);
  cursor: pointer;
}

.research-item-body {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  font-size: var(--font-size-base);
  color: var(--app-text-secondary);
}

.research-item-actions {
  display: flex;
  gap: var(--spacing-sm);
}

.query-preview {
  flex: 1;
  margin-right: var(--spacing-lg);
}

.query-text {
  font-weight: 500;
  color: var(--app-text-primary);
  margin-bottom: var(--spacing-xs);
}

.query-meta {
  font-size: var(--font-size-base);
  color: var(--app-text-secondary);
}

/* Focus states for accessibility */
.research-item:focus-within {
  outline: 2px solid var(--app-focus-outline);
  outline-offset: 2px;
}

/* ---------------------------------------------------------------------------
   Expiration Warnings
   --------------------------------------------------------------------------- */

.expiration-warning {
  color: var(--app-warning);
  font-weight: 500;
}

.expiration-critical {
  color: var(--app-danger);
  font-weight: 600;
}

/* ---------------------------------------------------------------------------
   Loading States
   --------------------------------------------------------------------------- */

.loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--app-shadow-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.spinner-border-sm {
  width: 1rem;
  height: 1rem;
}

/* ---------------------------------------------------------------------------
   Research States
   --------------------------------------------------------------------------- */

.research-in-progress {
  border-left: 3px solid var(--app-research-progress-border);
  background-color: var(--app-research-progress-bg);
}

/* Empty states */
.empty-state {
  text-align: center;
  padding: 3rem var(--spacing-lg);
}

.empty-state i {
  color: var(--app-text-muted);
}

.empty-state-text-width {
  max-width: 300px;
}

/* Modal content scrolling */
.modal-body {
  max-height: 70vh;
  overflow-y: auto;
}

/* ---------------------------------------------------------------------------
   Research Cards
   --------------------------------------------------------------------------- */

.research-card {
  border-radius: 8px;
  border-left: 3px solid var(--app-border-subtle);
  transition: all 0.2s ease;
}

.research-card:hover {
  box-shadow: 0 4px 12px var(--app-shadow-medium);
  transform: translateY(-1px);
  border-left-color: var(--bs-primary);
}

/* Remove hover effects on folder icon button when tab is open */
.research-card .action-btn:has(.fa-folder-open):hover {
  background-color: transparent !important;
  color: inherit !important;
}

/* Remove border from star/folder buttons for cleaner look */
.research-card .btn:has(.fa-star),
.research-card .btn:has(.fa-folder-open) {
  border: none !important;
}

.research-card-polling {
  border-left: 4px solid var(--app-info);
}

.research-card-completed {
  border-left: 4px solid var(--app-research-completed-border);
}

/* Tab-open state (general — brand.css overrides for default theme) */
.research-card.tab-open {
  background-color: color-mix(in srgb, var(--app-primary) 5%, var(--app-bg-card) 95%);
  border-left-color: var(--app-primary);
}

.research-card.tab-open:hover {
  background-color: color-mix(in srgb, var(--app-primary) 8%, var(--app-bg-card) 92%);
}

/* Ensure ONLY star and folder buttons are borderless, not trash buttons */
.research-card .action-btn:has(.fa-star),
.research-card .action-btn:has(.fa-folder),
.research-card .action-btn:has(.fa-folder-open) {
  border: none !important;
  background: transparent !important;
}

/* Fix folder icon hover - prevent it from disappearing */
.research-card .action-btn:has(.fa-folder):hover,
.research-card .action-btn:has(.fa-folder-open):hover {
  background: transparent !important;
}

/* ---------------------------------------------------------------------------
   Question Text
   --------------------------------------------------------------------------- */

.research-question {
  margin-bottom: var(--spacing-md);
}

/* 2-line question truncation */
.question-text {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: all 0.3s ease;
  line-height: 1.4;
  max-height: calc(1.4em * 2);
}

/* Expanded state shows full text */
.question-text.expanded {
  -webkit-line-clamp: unset;
  max-height: none;
  background-color: color-mix(in srgb, var(--app-primary) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--app-primary) 20%, transparent);
  padding: 4px 8px;
  border-radius: 4px;
}

.expand-btn {
  opacity: 0.7;
  transition: opacity 0.2s ease;
}

.expand-btn:hover {
  opacity: 1;
}

/* Question text in confirmation modal */
.question-text-modal {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.4;
  max-height: calc(1.4em * 3);
  font-style: italic;
  word-break: break-word;
}

/* ---------------------------------------------------------------------------
   Tabs
   --------------------------------------------------------------------------- */

#researchTabs .nav-item {
  flex-shrink: 0;
  white-space: nowrap;
  max-width: 200px;
}

#researchTabs .nav-link {
  display: flex;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  max-width: 200px;
  overflow: hidden;
}

/* Tab title truncation */
#researchTabs .tab-title {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
  min-width: 0;
}

/* Tab close button */
#researchTabs .btn-close {
  width: 0.8rem;
  height: 0.8rem;
  background-size: 0.6rem;
  margin-left: var(--spacing-sm);
  flex-shrink: 0;
  opacity: 0.6;
}

#researchTabs .btn-close:hover {
  opacity: 1;
}

/* Echo KB tab transition */
#welcome-tab {
  transition: all 0.2s ease-in-out;
}

/* Echo KB research editor placeholder */
#echoKbResearchQuery::placeholder {
  font-size: var(--font-size-lg);
}

/* Prevent text selection in double-click areas */
#tabsHeader,
#recentResearchHeader {
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
}

/* ---------------------------------------------------------------------------
   Research Metadata
   --------------------------------------------------------------------------- */

.research-metadata {
  padding-top: var(--spacing-md);
}

.research-metadata-card .card {
  max-width: var(--content-max-width, 120ch);
  margin: 0 auto;
}

.research-metadata-width {
  max-width: var(--content-max-width, 120ch);
  margin: 0 auto;
}

/* Monospace font for clean alignment */
.research-metadata small {
  font-family: var(--font-mono);
  font-weight: 300;
  font-size: var(--font-size-xs);
}

/* Date alignment for asked/expires labels */
.research-metadata .date-label {
  display: inline-block;
  width: 3.5rem;
  text-align: right;
}

/* Depth badge */
.research-metadata .depth-badge {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  font-weight: normal;
  color: var(--app-text-primary);
  border: 1px solid var(--app-border-secondary);
  font-size: var(--font-size-sm);
}

/* In-progress metadata */
.research-metadata-inprogress small {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif !important;
  font-weight: 400 !important;
  font-size: var(--font-size-md);
}

/* Status text padding */
.research-metadata .col-4 em {
  padding-right: var(--spacing-sm);
}

/* ---------------------------------------------------------------------------
   Clear Search
   --------------------------------------------------------------------------- */

#clearSearchBtn {
  border-left: none;
  padding: 0.375rem var(--spacing-md);
  opacity: 0.7;
  transition: opacity 0.2s ease, background-color 0.2s ease;
}

#clearSearchBtn:hover {
  opacity: 1;
  background-color: var(--app-hover-bg);
}

#clearSearchBtn i {
  font-size: var(--font-size-base);
}

/* ---------------------------------------------------------------------------
   Markdown Content
   --------------------------------------------------------------------------- */

.markdown-content {
  width: 100%;
  max-width: var(--content-max-width, 120ch);
  margin: 0 auto;
  padding-top: 0;
  box-sizing: border-box;
  padding: 0 var(--spacing-xl) var(--spacing-xl) var(--spacing-xl);
  border-radius: 8px;
  border: 1px solid var(--app-border-secondary);
  box-shadow: 0 1px 3px var(--app-shadow-medium), 0 1px 2px var(--app-shadow-light);
  color: var(--app-text-primary);
}

.markdown-document {
  overflow-wrap: break-word;
  word-wrap: break-word;
}

/* Code block borders */
.markdown-content pre {
  border: 1px solid var(--app-border-secondary);
}

/* Inline code border (not code inside pre blocks) */
.markdown-content code:not(pre code) {
  border: 1px solid var(--app-border-secondary);
}

/* ---------------------------------------------------------------------------
   Interactive Toggle Buttons
   --------------------------------------------------------------------------- */

.mermaid-header-title:hover {
  color: var(--app-primary) !important;
  opacity: 0.8;
}

.btn-sm:has(.fa-exchange-alt):hover,
.markdown-toggle-btn:hover {
  background-color: var(--app-hover-bg) !important;
  color: var(--app-primary) !important;
}

/* ---------------------------------------------------------------------------
   Dropdown Sizing
   --------------------------------------------------------------------------- */

.sort-dropdown-sizing {
  min-width: 180px;
}

.depth-filter-sizing {
  min-width: 140px;
}