/**
 * Components Library - Reusable UI Components
 * ============================================
 * 
 * This file contains reusable component styles.
 * Use these classes instead of creating new similar styles.
 * 
 * Components included:
 * - Buttons (.btn, .btn-primary, etc.)
 * - Cards (.card, .card-header, etc.)
 * - Forms (.form-group, .form-input, etc.)
 * - Badges/Labels (.badge, .label, etc.)
 * - Tabs (.tabs, .tab-btn, etc.)
 * - Lists (.list-item, etc.)
 * - Avatars (.avatar, etc.)
 * - Empty States (.empty-state)
 */

/* ===================
   BUTTONS
   =================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 18px;
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-medium);
  line-height: 18px;
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-md);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
}

.btn:hover {
  background-color: var(--color-bg-secondary);
  text-decoration: none;
}

.btn:focus {
  outline: none;
  box-shadow: var(--shadow-focus);
}

.btn-primary {
  background-color: var(--color-dark);
  color: var(--color-text-inverse);
  border-color: var(--color-dark);
}

.btn-primary:hover {
  background-color: var(--color-black);
}

.btn-secondary {
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-primary);
}

.btn-secondary:hover {
  background-color: var(--color-bg-tertiary);
}

.btn-danger {
  background-color: var(--color-danger);
  color: var(--color-text-inverse);
  border-color: var(--color-danger);
}

.btn-danger:hover {
  background-color: var(--color-danger);
  filter: brightness(0.85);
}

.btn-ghost {
  background-color: transparent;
  border-color: transparent;
}

.btn-ghost:hover {
  background-color: var(--color-bg-secondary);
}

.btn-sm {
  padding: 5px 10px;
  font-size: 11px;
  line-height: 14px;
  gap: 5px;
  border-radius: var(--radius-md);
}

.btn-sm .btn-icon {
  width: 13px;
  height: 13px;
}

.btn-lg {
  padding: 12px 24px;
  font-size: var(--font-size-lg);
}

.btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* ===================
   CARDS
   =================== */

.card {
  background-color: var(--color-bg-primary);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.card-header {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--color-border-primary);
}

.card-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin: 0;
}

.card-content {
  padding: var(--spacing-md);
}

.card-footer {
  padding: var(--spacing-md);
  border-top: 1px solid var(--color-border-primary);
  background-color: var(--color-bg-secondary);
}

.card-clickable {
  cursor: pointer;
  transition: var(--transition-fast);
}

.card-clickable:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-border-secondary);
}

/* ===================
   FORMS
   =================== */

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 8px 12px;
  font-size: var(--font-size-md);
  line-height: 20px;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-border-focus);
  box-shadow: var(--shadow-focus);
}

.form-input::placeholder {
  color: var(--color-text-placeholder);
}

.form-hint {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: var(--spacing-xs);
}

.form-error {
  font-size: var(--font-size-sm);
  color: var(--color-danger);
  margin-top: var(--spacing-xs);
}

/* ===================
   BADGES & LABELS
   =================== */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 2px 8px;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.badge-primary {
  background-color: var(--color-primary-subtle);
  color: var(--color-primary);
}

.badge-success {
  background-color: var(--color-success-subtle);
  color: var(--color-success);
}

.badge-warning {
  background-color: var(--color-warning-subtle);
  color: var(--color-warning);
}

.badge-danger {
  background-color: var(--color-danger-subtle);
  color: var(--color-danger);
}

.badge-purple {
  background-color: var(--color-purple-subtle);
  color: var(--color-purple);
}

.badge-neutral {
  background-color: var(--color-bg-secondary);
  color: var(--color-text-secondary);
}

/* Labels (like GitHub issue labels) */
.label {
  display: inline-block;
  padding: 2px 8px;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-full);
  border: 1px solid rgba(31, 35, 40, 0.15);
  white-space: nowrap;
}

/* ===================
   TABS
   =================== */

.tabs {
  display: flex;
  gap: var(--spacing-sm);
  border-bottom: 1px solid var(--color-border-primary);
}

.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition-fast);
}

.tab-btn:hover {
  color: var(--color-text-primary);
  border-bottom-color: var(--color-border-secondary);
}

.tab-btn.active {
  color: var(--color-text-primary);
  font-weight: var(--font-weight-semibold);
  border-bottom-color: var(--color-danger);
}

.tab-btn svg {
  width: 16px;
  height: 16px;
}

/* ===================
   AVATARS
   =================== */

.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  overflow: hidden;
  background-color: var(--color-bg-secondary);
  flex-shrink: 0;
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.avatar-xs {
  width: 16px;
  height: 16px;
}

.avatar-sm {
  width: 24px;
  height: 24px;
}

.avatar-md {
  width: 32px;
  height: 32px;
}

.avatar-lg {
  width: 48px;
  height: 48px;
}

.avatar-xl {
  width: 64px;
  height: 64px;
}

/* ===================
   LIST ITEMS
   =================== */

.list-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--color-border-primary);
  transition: var(--transition-fast);
}

.list-item:hover {
  background-color: var(--color-bg-secondary);
}

.list-item:last-child {
  border-bottom: none;
}

.list-item-content {
  flex: 1;
  min-width: 0;
}

.list-item-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
}

.list-item-title a {
  color: inherit;
  text-decoration: none;
}

.list-item-title a:hover {
  color: var(--color-primary);
}

.list-item-meta {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

/* ===================
   EMPTY STATES
   =================== */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-3xl) var(--spacing-md);
}

.empty-state-icon {
  width: 48px;
  height: 48px;
  color: var(--color-text-tertiary);
  margin-bottom: var(--spacing-md);
}

.empty-state h3 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
}

.empty-state p {
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
  max-width: 400px;
}

/* ===================
   STATUS ICONS
   =================== */

.status-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.status-icon-open {
  fill: var(--color-success);
  color: var(--color-success);
}

.status-icon-closed {
  fill: var(--color-purple);
  color: var(--color-purple);
}

.status-icon-merged {
  fill: var(--color-purple);
  color: var(--color-purple);
}

.status-icon-resolved {
  fill: var(--color-success);
  color: var(--color-success);
}

/* ===================
   DROPDOWN MENUS
   =================== */

.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  min-width: 160px;
  padding: var(--spacing-xs) 0;
  background-color: var(--color-bg-primary);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-dropdown);
  display: none;
}

.dropdown-menu.open {
  display: block;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-md);
  color: var(--color-text-primary);
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-fast);
}

.dropdown-item:hover {
  background-color: var(--color-bg-secondary);
}

.dropdown-divider {
  height: 1px;
  margin: var(--spacing-xs) 0;
  background-color: var(--color-border-primary);
}

/* ===================
   SEARCH INPUT
   =================== */

.search-wrapper {
  position: relative;
}

.search-wrapper .search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--color-text-secondary);
  pointer-events: none;
}

.search-wrapper .form-input {
  padding-left: 36px;
}

/* ===================
   PAGE HEADERS
   =================== */

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-lg);
  gap: var(--spacing-md);
}

.page-header-content {
  flex: 1;
}

.page-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin: 0 0 var(--spacing-xs) 0;
  line-height: var(--line-height-tight);
}

.page-description {
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
  margin: 0;
}

.page-actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-shrink: 0;
}

/* ===================
   BREADCRUMBS
   =================== */

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

.breadcrumb a {
  color: var(--color-text-link);
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb-separator {
  color: var(--color-text-tertiary);
}

/* ===================
   UTILITIES
   =================== */

.text-muted {
  color: var(--color-text-secondary) !important;
}

.text-primary {
  color: var(--color-primary) !important;
}

.text-success {
  color: var(--color-success) !important;
}

.text-danger {
  color: var(--color-danger) !important;
}

.text-sm {
  font-size: var(--font-size-sm) !important;
}

.text-lg {
  font-size: var(--font-size-lg) !important;
}

.font-medium {
  font-weight: var(--font-weight-medium) !important;
}

.font-semibold {
  font-weight: var(--font-weight-semibold) !important;
}

/* ===================
   CONTENT CONTAINERS
   =================== */

/* Standard responsive content container - use for main page content */
.content-container {
  width: var(--content-width-percent, 90%);
  max-width: var(--max-width);
  min-width: min(var(--min-width-fixed, 320px), 100%);
  margin: 0 auto;
  padding: 0 var(--content-padding-x, 64px);
}

/* Narrower content container for focused reading */
.content-container-narrow {
  width: var(--content-width-percent, 90%);
  max-width: var(--content-max-width);
  min-width: min(var(--min-width-fixed, 320px), 100%);
  margin: 0 auto;
  padding: 0 var(--content-padding-x, 64px);
}

/* Full-width container with only max-width constraint */
.content-container-full {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--content-padding-x, 64px);
}

/* Responsive adjustments for containers */
@media (max-width: 1024px) {
  .content-container,
  .content-container-narrow,
  .content-container-full,
  .issues-page {
    padding: 0 var(--spacing-xl, 32px);
  }
}

@media (max-width: 768px) {
  .content-container,
  .content-container-narrow,
  .content-container-full,
  .issues-page {
    width: 100%;
    padding: 0 var(--spacing-md, 16px);
  }
}

/* ===================
   ISSUES PAGE STYLES
   =================== */

/* Container */
.issues-page {
  width: var(--content-width-percent, 90%);
  max-width: var(--max-width);
  min-width: min(var(--min-width-fixed, 320px), 100%);
  margin: 0 auto;
  padding: 0 var(--content-padding-x, 64px);
}

/* Issues toolbar */
.issues-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  align-items: center;
}

.issues-search {
  position: relative;
  flex-grow: 1;
}

.issues-search .search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-secondary);
  width: 16px;
  height: 16px;
}

.issues-search .form-input {
  padding-left: 36px;
}

/* Issues tabs */
.issues-tabs {
  display: flex;
  border-bottom: 1px solid var(--color-border-primary);
  margin-bottom: var(--spacing-md);
}

.issue-tab {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--color-text-secondary);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: var(--transition-fast);
  text-decoration: none;
}

.issue-tab:hover {
  color: var(--color-text-primary);
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.issue-tab.active {
  color: var(--color-text-primary);
  border-bottom-color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
}

.issue-tab svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.issue-tab[data-status="open"] svg {
  fill: var(--color-success);
}

.issue-tab[data-status="closed"] svg {
  fill: var(--color-purple);
}

.issue-tab[data-status="resolved"] svg {
  fill: var(--color-success);
}

.issue-tab .count-badge {
  font-weight: var(--font-weight-semibold);
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-full);
  padding: 2px 8px;
  font-size: var(--font-size-sm);
  min-width: 20px;
  text-align: center;
}

.issue-tab.active .count-badge {
  background-color: var(--color-text-primary);
  color: var(--color-text-inverse);
}

/* Issue cards */
a.issue-card,
div.issue-card,
.issue-card {
  display: block;
  border-bottom: 1px solid var(--color-border-primary);
  background-color: var(--color-bg-primary);
  transition: var(--transition-fast);
  text-decoration: none;
  color: inherit;
}

.issue-card:last-child {
  border-bottom: none;
}

a.issue-card:hover,
.issue-card:hover {
  background: var(--color-bg-hover, #f5f5f5);
}

.issue-card-main {
  display: flex;
  padding: 10px var(--spacing-md);
  align-items: flex-start;
  gap: 10px;
  width: 100%;
}

.issue-status-icon {
  flex-shrink: 0;
}

.issue-status-icon svg {
  width: 16px;
  height: 16px;
}

.issue-status-icon .status-open {
  fill: var(--color-success);
  color: var(--color-success);
}

.issue-status-icon .status-closed {
  fill: var(--color-purple);
  color: var(--color-purple);
}

.issue-status-icon .status-resolved {
  fill: var(--color-success);
  color: var(--color-success);
}

.issue-content {
  flex-grow: 1;
  min-width: 0;
}

.issue-title-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xs);
  align-items: center;
}

.issue-title {
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-lg);
  color: var(--color-text-primary);
  text-decoration: none;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: var(--line-height-tight);
}

.issue-title:hover {
  color: var(--color-primary);
}

.issue-number {
  font-weight: var(--font-weight-normal);
  color: var(--color-text-secondary);
}

.issue-labels {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.issue-description-preview {
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
  line-height: var(--line-height-normal);
  margin: var(--spacing-xs) 0 var(--spacing-sm) 0;
  overflow: hidden;
  word-break: break-word;
}

.issue-meta {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
}

.issue-stats {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.issue-stat {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
  text-decoration: none;
}

.issue-stat:hover {
  color: var(--color-primary);
}

.issue-stat svg {
  width: 16px;
  height: 16px;
}

/* Author avatar */
.author-avatar {
  border-radius: var(--radius-full);
  margin-right: var(--spacing-xs);
  vertical-align: middle;
}

.author-avatar-initials {
  width: 20px;
  height: 20px;
  border-radius: var(--radius-full);
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: var(--font-weight-semibold);
  margin-right: var(--spacing-xs);
  vertical-align: middle;
}

/* Reactions */
.reactions {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
}

.reaction-item {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 2px 6px;
  color: var(--color-text-primary);
}

.reaction-count {
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-xs);
}

/* New Issue Form */
.new-issue-form {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  max-width: 700px;
  background-color: var(--color-bg-primary);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-modal);
  padding: var(--spacing-xl);
  overflow-y: auto;
}

.form-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-border-primary);
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-xl);
}

/* Tag search system */
.tag-search-container {
  position: relative;
}

.tag-suggestions {
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  background-color: var(--color-bg-primary);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-md);
  max-height: 200px;
  overflow-y: auto;
  z-index: var(--z-dropdown);
  display: none;
  box-shadow: var(--shadow-md);
}

.tag-suggestion {
  padding: var(--spacing-sm) var(--spacing-md);
  cursor: pointer;
  font-size: var(--font-size-md);
}

.tag-suggestion:hover {
  background-color: var(--color-bg-secondary);
}

.selected-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

.selected-tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  background-color: var(--color-primary-subtle);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.remove-tag {
  margin-left: var(--spacing-xs);
  cursor: pointer;
  font-weight: bold;
}

.remove-tag:hover {
  color: var(--color-danger);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .issues-page {
    padding: 0 var(--spacing-md);
  }
  
  .page-header {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-sm);
  }
  
  .page-actions {
    width: auto;
  }
  
  .issues-toolbar {
    flex-direction: column;
    align-items: stretch;
  }
  
  .issue-card .issue-title-row {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .issue-card .issue-stats {
    display: none;
  }
  
  .new-issue-form {
    max-width: 100%;
  }
  
  .issue-card-main {
    padding: 8px 12px;
    gap: 8px;
  }
}

/* ===================
   ATTRIBUTION SYSTEM
   =================== */

/* Attribution Page Container */
.attribution-page {
  max-width: 1400px;
  width: 100%;
  min-width: 0;
  margin: 0 auto;
  padding: var(--spacing-xl);
  box-sizing: border-box;
}

@media (min-width: 768px) {
  .attribution-page { min-width: 700px; }
}

@media (min-width: 1200px) {
  .attribution-page { min-width: 900px; }
}

/* Attribution Header */
.attribution-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border-primary);
  gap: var(--spacing-md);
}

.attribution-header-content h1 {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-2xl);
  margin: var(--spacing-sm) 0;
}

.attribution-header-content h1 svg {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.attribution-subtitle {
  color: var(--color-text-secondary);
  margin: 0;
  font-size: var(--font-size-md);
}

.attribution-header-actions {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .attribution-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .attribution-header-actions {
    width: 100%;
  }
}

/* Attribution Tabs */
.attribution-tabs {
  display: flex;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border-primary);
  overflow-x: auto;
}

.attribution-tab {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-text-secondary);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: var(--transition-fast);
  white-space: nowrap;
  font-weight: var(--font-weight-medium);
}

.attribution-tab:hover {
  color: var(--color-text-primary);
}

.attribution-tab.active {
  color: var(--color-text-primary);
  border-bottom-color: var(--color-text-primary);
}

.attribution-tab svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* Attribution Layout (2-column) */
.attribution-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: var(--spacing-lg);
}

@media (max-width: 1024px) {
  .attribution-layout {
    grid-template-columns: 1fr;
  }
  .attribution-summary-panel {
    order: -1;
  }
}

/* Attribution Content Panel */
.attribution-content-panel {
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.attribution-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--color-border-primary);
  background: var(--color-bg-secondary);
}

.attribution-panel-header h3 {
  margin: 0;
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
}

.attribution-panel-controls {
  display: flex;
  gap: var(--spacing-sm);
}

.attribution-content-body {
  padding: var(--spacing-lg);
}

/* Attribution Blocks */
.attribution-blocks {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.attribution-block {
  position: relative;
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

.attribution-block:hover {
  border-color: var(--color-border-secondary);
  box-shadow: var(--shadow-sm);
}

.attribution-block.verified {
  border-left: 3px solid var(--color-success);
}

.attribution-block.unverified {
  border-left: 3px solid var(--color-warning);
}

.attribution-block-status {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
}

.attribution-block-status.verified {
  background: var(--color-success-subtle);
  color: var(--color-success);
}

.attribution-block-status.unverified {
  background: var(--color-warning-subtle);
  color: var(--color-warning);
}

.attribution-block-status svg {
  width: 14px;
  height: 14px;
}

.attribution-block-content {
  padding-right: var(--spacing-xl);
}

.attribution-block-info {
  display: none;
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border-primary);
  justify-content: space-between;
  align-items: center;
}

.attribution-block:hover .attribution-block-info {
  display: flex;
}

.attribution-block-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.attribution-block-type {
  padding: 2px 8px;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: var(--font-weight-semibold);
}

.attribution-block-contributor,
.attribution-block-reviewer {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.attribution-block-contributor svg,
.attribution-block-reviewer svg {
  width: 12px;
  height: 12px;
}

.attribution-block-actions {
  display: flex;
  gap: var(--spacing-sm);
}

/* Attribution Summary Panel */
.attribution-summary-panel {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

/* Summary Card (reusable card for panels) */
.summary-card {
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
}

.summary-card h4 {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin: 0 0 var(--spacing-md) 0;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.summary-card h4 svg {
  width: 16px;
  height: 16px;
}

/* Verification Status Display */
.verification-status-display {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--spacing-md);
}

.verification-status-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  margin-bottom: var(--spacing-sm);
}

.verification-status-icon svg {
  width: 24px;
  height: 24px;
}

.verification-status-icon.verified {
  background: var(--color-success-subtle);
  color: var(--color-success);
}

.verification-status-icon.pending {
  background: var(--color-primary-subtle);
  color: var(--color-primary);
}

.verification-status-icon.disputed {
  background: var(--color-danger-subtle);
  color: var(--color-danger);
}

.verification-status-icon.unverified {
  background: var(--color-bg-secondary);
  color: var(--color-text-tertiary);
}

.verification-status-text {
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-md);
  color: var(--color-text-primary);
}

.verification-status-meta {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

.stat-item {
  text-align: center;
}

.stat-item.full-width {
  grid-column: 1 / -1;
}

.stat-value {
  display: block;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.stat-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

/* Progress Bar */
.progress-bar {
  height: 8px;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: var(--spacing-xs);
}

.progress-fill {
  height: 100%;
  background: var(--color-success);
  border-radius: var(--radius-full);
  transition: width 300ms ease;
}

/* Percentage-based verification bar */
.verification-bar {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.verification-bar-fill {
  flex: 1;
  height: 6px;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.verification-bar-fill > div {
  height: 100%;
  background: var(--color-success);
  border-radius: var(--radius-full);
}

.verification-bar-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  white-space: nowrap;
}

/* Contributors List */
.contributors-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.contributor-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.contributor-avatar {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-full);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  flex-shrink: 0;
}

.contributor-avatar img {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-full);
  object-fit: cover;
}

.contributor-avatar svg {
  width: 16px;
  height: 16px;
}

.contributor-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.contributor-name {
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
}

.contributor-stats {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

/* Reviewer List */
.reviewer-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  max-height: 200px;
  overflow-y: auto;
}

.reviewer-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs) 0;
}

.reviewer-avatar {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-full);
  color: var(--color-text-secondary);
  flex-shrink: 0;
}

.reviewer-avatar img {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-full);
  object-fit: cover;
}

.reviewer-avatar svg {
  width: 14px;
  height: 14px;
}

.reviewer-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.reviewer-name {
  font-size: var(--font-size-sm);
  color: var(--color-text-link);
  text-decoration: none;
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
}

.reviewer-name:hover {
  text-decoration: underline;
}

/* Role Badges */
.role-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
}

.role-badge svg {
  width: 12px;
  height: 12px;
}

.role-badge.admin {
  background: var(--color-warning-subtle);
  color: var(--color-warning);
}

.role-badge.moderator {
  background: var(--color-purple-subtle);
  color: var(--color-purple);
}

.role-badge.editor {
  background: var(--color-primary-subtle);
  color: var(--color-primary);
}

.role-badge.reviewer {
  background: var(--color-success-subtle);
  color: var(--color-success);
}

/* Quick Actions */
.quick-actions {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.quick-actions .btn {
  width: 100%;
  justify-content: center;
}

/* Note/Info Box */
.info-note {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-normal);
  margin-bottom: var(--spacing-sm);
}

.info-note strong {
  color: var(--color-text-primary);
}

/* No Data States */
.no-data {
  color: var(--color-text-tertiary);
  font-size: var(--font-size-sm);
  text-align: center;
  padding: var(--spacing-md);
}

/* Verification Badge (inline) */
.verification-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
}

.verification-badge svg {
  width: 16px;
  height: 16px;
}

.verification-badge.verified {
  background: var(--color-success-subtle);
  color: var(--color-success);
}

.verification-badge.unverified {
  background: var(--color-warning-subtle);
  color: var(--color-warning);
}

.verification-badge.pending {
  background: var(--color-primary-subtle);
  color: var(--color-primary);
}
/* ===================
   MODAL DIALOGS
   =================== */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: var(--color-bg-overlay);
  z-index: var(--z-modal-backdrop);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.modal-dialog {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.95);
  z-index: var(--z-modal);
  width: 90%;
  max-width: 420px;
  max-height: 90vh;
  background: var(--color-bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
  overflow: hidden;
}

.modal-dialog.active {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -50%) scale(1);
}

.modal-dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--color-border-primary);
}

.modal-dialog-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin: 0;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.modal-dialog-title svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.modal-dialog-title.warning svg {
  color: var(--color-warning);
}

.modal-dialog-title.danger svg {
  color: var(--color-danger);
}

.modal-dialog-title.info svg {
  color: var(--color-primary);
}

.modal-dialog-title.success svg {
  color: var(--color-success);
}

.modal-dialog-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-fast);
}

.modal-dialog-close:hover {
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
}

.modal-dialog-close svg {
  width: 18px;
  height: 18px;
}

.modal-dialog-body {
  padding: var(--spacing-lg);
}

.modal-dialog-message {
  font-size: var(--font-size-md);
  color: var(--color-text-primary);
  line-height: var(--line-height-normal);
  margin: 0;
}

.modal-dialog-input {
  margin-top: var(--spacing-md);
}

.modal-dialog-input input,
.modal-dialog-input textarea {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-md);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-md);
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  transition: var(--transition-fast);
}

.modal-dialog-input input:focus,
.modal-dialog-input textarea:focus {
  outline: none;
  border-color: var(--color-dark);
  box-shadow: var(--shadow-focus);
}

.modal-dialog-input textarea {
  min-height: 80px;
  resize: vertical;
}

.modal-dialog-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid var(--color-border-primary);
  background: var(--color-bg-secondary);
}

/* Toast notifications (for simple alerts) */
.toast-container {
  position: fixed;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  pointer-events: auto;
  transform: translateX(120%);
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.toast.active {
  transform: translateX(0);
  opacity: 1;
}

.toast.success {
  border-left: 3px solid var(--color-success);
}

.toast.error {
  border-left: 3px solid var(--color-danger);
}

.toast.warning {
  border-left: 3px solid var(--color-warning);
}

.toast.info {
  border-left: 3px solid var(--color-primary);
}

.toast svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.toast.success svg { color: var(--color-success); }
.toast.error svg { color: var(--color-danger); }
.toast.warning svg { color: var(--color-warning); }
.toast.info svg { color: var(--color-primary); }

.toast-message {
  flex: 1;
}

.toast-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border: none;
  background: transparent;
  color: var(--color-text-tertiary);
  cursor: pointer;
  border-radius: var(--radius-sm);
}

.toast-close:hover {
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
}}

/* ===================
   UTILITY CLASSES
   =================== */

/* Flexbox Utilities - Common flex patterns to reduce duplication */

.flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-align-center {
  display: flex;
  align-items: center;
}

.flex-justify-center {
  display: flex;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.flex-col {
  display: flex;
  flex-direction: column;
}

.flex-col-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

/* Gap Utilities */
.gap-xs {
  gap: var(--spacing-xs);
}

.gap-sm {
  gap: var(--spacing-sm);
}

.gap-md {
  gap: var(--spacing-md);
}

.gap-lg {
  gap: var(--spacing-lg);
}

.gap-xl {
  gap: var(--spacing-xl);
}

/* Text Utilities */
.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

.text-muted {
  color: var(--color-text-secondary);
}

.text-subtle {
  color: var(--color-text-tertiary);
}

/* Common Shadows */
.shadow-sm {
  box-shadow: var(--shadow-sm);
}

.shadow-md {
  box-shadow: var(--shadow-md);
}

.shadow-lg {
  box-shadow: var(--shadow-lg);
}

/* Border Radius Utilities */
.rounded-sm {
  border-radius: var(--radius-sm);
}

.rounded-md {
  border-radius: var(--radius-md);
}

.rounded-lg {
  border-radius: var(--radius-lg);
}

.rounded-full {
  border-radius: var(--radius-full);
}