/**
 * Funky Kanban Component Styles
 * Card-based workflow board with drag-and-drop
 * @version 1.0.0
 */

/* ========================================
   CSS Custom Properties (Density-aware)
   ======================================== */

.kanban-board {
  --kanban-gap: var(--pro-spacing-md, 1rem);
  --kanban-column-width: 300px;
  --kanban-card-padding: var(--pro-spacing-sm, 0.75rem);
  --kanban-header-padding: var(--pro-spacing-sm, 0.75rem) var(--pro-spacing-md, 1rem);
  --kanban-border-radius: var(--pro-border-radius, 8px);
  --kanban-border-radius-sm: var(--pro-border-radius-sm, 4px);
}

/* Density: Compact */
[data-density="compact"] .kanban-board {
  --kanban-gap: 0.5rem;
  --kanban-card-padding: 0.5rem;
  --kanban-header-padding: 0.5rem 0.75rem;
}

/* Density: Spacious */
[data-density="spacious"] .kanban-board {
  --kanban-gap: 1.5rem;
  --kanban-card-padding: 1rem;
  --kanban-header-padding: 1rem 1.25rem;
}

/* ========================================
   Toolbar & Filters
   ======================================== */

.kanban-toolbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: var(--kanban-header-padding);
  border-bottom: 1px solid var(--pro-border-color, rgba(0,0,0,0.1));
  background: var(--pro-bg-primary, #ffffff);
  flex-wrap: wrap;
}

/* Search */
.kanban-search {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
  min-width: 180px;
  max-width: 300px;
  position: relative;
}

.kanban-search-icon {
  position: absolute;
  left: 0.75rem;
  color: var(--pro-text-muted, #adb5bd);
  pointer-events: none;
}

.kanban-search-input {
  flex: 1;
  border: 1px solid var(--pro-border-color, rgba(0,0,0,0.15));
  border-radius: var(--kanban-border-radius-sm);
  padding: 0.375rem 0.75rem 0.375rem 2rem;
  background: var(--pro-bg-primary, #ffffff);
  color: var(--pro-text-primary, #212529);
  font-size: var(--pro-font-size-sm, 0.8125rem);
  font-family: inherit;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.kanban-search-input:focus-visible {
  outline: var(--focus-ring-width) var(--focus-ring-style) var(--focus-ring-color);
  outline-offset: var(--focus-ring-offset);
  box-shadow: var(--focus-ring-shadow);
  border-color: var(--pro-primary, #0d6efd);
}

.kanban-search-input::placeholder {
  color: var(--pro-text-muted, #adb5bd);
}

.kanban-search-count {
  font-size: var(--pro-font-size-xs, 0.75rem);
  color: var(--pro-text-secondary, #6c757d);
  white-space: nowrap;
}

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

.kanban-quick-filter {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.75rem;
  border: 1px solid var(--pro-border-color, rgba(0,0,0,0.15));
  border-radius: var(--kanban-border-radius-sm);
  background: transparent;
  color: var(--pro-text-secondary, #6c757d);
  font-size: var(--pro-font-size-sm, 0.8125rem);
  font-family: inherit;
  cursor: pointer;
  transition: all 0.15s ease;
}

.kanban-quick-filter:hover {
  background: var(--pro-bg-secondary, #f8f9fa);
  color: var(--pro-text-primary, #212529);
}

.kanban-quick-filter.active {
  background: var(--pro-primary, #0d6efd);
  color: #ffffff;
  border-color: var(--pro-primary, #0d6efd);
}

.kanban-quick-filter:focus-visible {
  outline: var(--focus-ring-width) var(--focus-ring-style) var(--focus-ring-color);
  outline-offset: var(--focus-ring-offset);
  box-shadow: var(--focus-ring-shadow);
}

/* Filter Actions */
.kanban-filter-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: auto;
}

.kanban-filter-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.5rem;
  background: var(--pro-primary, #0d6efd);
  color: #ffffff;
  font-size: var(--pro-font-size-xs, 0.75rem);
  font-weight: var(--pro-font-weight-medium, 500);
  border-radius: 1rem;
}

.kanban-clear-filters {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.375rem 0.75rem;
  border: none;
  border-radius: var(--kanban-border-radius-sm);
  background: var(--pro-danger-bg, #f8d7da);
  color: var(--pro-danger, #dc3545);
  font-size: var(--pro-font-size-sm, 0.8125rem);
  font-family: inherit;
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.kanban-clear-filters:hover {
  background: var(--pro-danger, #dc3545);
  color: #ffffff;
}

.kanban-clear-filters:focus-visible {
  outline: var(--focus-ring-width) var(--focus-ring-style) var(--focus-ring-color);
  outline-offset: var(--focus-ring-offset);
  box-shadow: var(--focus-ring-shadow);
}

/* Filtered out cards */
.kanban-card.filtered-out {
  display: none;
}

/* Dim mode instead of hide */
.kanban-board.dim-filtered .kanban-card.filtered-out {
  display: block;
  opacity: 0.3;
  pointer-events: none;
  filter: grayscale(50%);
}

/* Search highlight */
.search-highlight {
  background: var(--pro-warning, #ffc107);
  color: var(--pro-text-primary, #212529);
  padding: 0 2px;
  border-radius: 2px;
  font-weight: inherit;
}

/* Responsive toolbar */
@media (max-width: 768px) {
  .kanban-toolbar {
    gap: 0.5rem;
  }
  
  .kanban-search {
    max-width: none;
    order: -1;
    flex-basis: 100%;
  }
  
  .kanban-quick-filters {
    flex-basis: 100%;
  }
}

@media (max-width: 576px) {
  .kanban-quick-filter span:not(.kanban-quick-filter i) {
    display: none;
  }
}

/* ========================================
   Board Container
   ======================================== */

.kanban-board {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 400px;
  font-family: var(--pro-font-family, system-ui, -apple-system, sans-serif);
  font-size: var(--pro-font-size-base, 0.875rem);
  color: var(--pro-text-primary, #212529);
  background: var(--pro-bg-primary, #ffffff);
}

.kanban-columns {
  display: flex;
  gap: var(--kanban-gap);
  padding: var(--kanban-gap);
  overflow-x: auto;
  overflow-y: hidden;
  flex: 1;
  align-items: flex-start;
  
  /* Smooth scrolling */
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
}

/* Scrollbar styling */
.kanban-columns::-webkit-scrollbar {
  height: 8px;
}

.kanban-columns::-webkit-scrollbar-track {
  background: var(--pro-bg-secondary, #f8f9fa);
  border-radius: 4px;
}

.kanban-columns::-webkit-scrollbar-thumb {
  background: var(--pro-border-color, rgba(0,0,0,0.15));
  border-radius: 4px;
}

.kanban-columns::-webkit-scrollbar-thumb:hover {
  background: var(--pro-text-muted, rgba(0,0,0,0.25));
}

/* ========================================
   Columns
   ======================================== */

.kanban-column {
  flex: 0 0 var(--kanban-column-width);
  display: flex;
  flex-direction: column;
  max-height: 100%;
  background: var(--pro-bg-secondary, #f8f9fa);
  border: 1px solid var(--pro-border-color, rgba(0,0,0,0.1));
  border-radius: var(--kanban-border-radius);
  transition: box-shadow 0.2s ease;
}

.kanban-column:focus-within {
  outline: var(--focus-ring-width) var(--focus-ring-style) var(--focus-ring-color);
  outline-offset: var(--focus-ring-offset);
  box-shadow: var(--focus-ring-shadow);
}

/* ========================================
   Column Header
   ======================================== */

.kanban-column-header {
  display: flex;
  align-items: center;
  padding: var(--kanban-header-padding);
  border-bottom: 1px solid var(--pro-border-color, rgba(0,0,0,0.1));
  background: var(--pro-bg-secondary, #f8f9fa);
  border-radius: var(--kanban-border-radius) var(--kanban-border-radius) 0 0;
}

.kanban-column-header.has-color {
  border-top: 3px solid currentColor;
  border-radius: 0;
}

.kanban-column-header-content {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
  min-width: 0;
}

.kanban-column-title {
  margin: 0;
  font-size: var(--pro-font-size-base, 0.875rem);
  font-weight: var(--pro-font-weight-semibold, 600);
  color: var(--pro-text-primary, #212529);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.kanban-column-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.5rem;
  height: 1.5rem;
  padding: 0 0.375rem;
  font-size: var(--pro-font-size-xs, 0.75rem);
  font-weight: var(--pro-font-weight-medium, 500);
  color: var(--pro-text-secondary, #6c757d);
  background: var(--pro-bg-tertiary, rgba(0,0,0,0.05));
  border-radius: 1rem;
  font-family: var(--pro-font-mono, monospace);
}

.kanban-column-limit {
  font-size: var(--pro-font-size-xs, 0.75rem);
  color: var(--pro-text-muted, #adb5bd);
  font-family: var(--pro-font-mono, monospace);
}

/* WIP Limit reached */
.kanban-column.at-limit .kanban-column-count {
  background: var(--pro-warning-bg, #fff3cd);
  color: var(--pro-warning-text, #856404);
}

.kanban-column.at-limit .kanban-column-header {
  background: var(--pro-warning-bg, #fff3cd);
}

/* ========================================
   Column Body
   ======================================== */

.kanban-column-body {
  flex: 1;
  overflow-y: auto;
  padding: calc(var(--kanban-card-padding) / 2);
  min-height: 150px;
}

/* Empty state */
.kanban-column-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100px;
  color: var(--pro-text-muted, #adb5bd);
  font-size: var(--pro-font-size-sm, 0.8125rem);
  font-style: italic;
  text-align: center;
  padding: var(--kanban-card-padding);
}

/* Hide empty when cards present */
.kanban-column-body:has(.kanban-card) .kanban-column-empty {
  display: none;
}

/* ========================================
   Cards
   ======================================== */

.kanban-card {
  background: var(--pro-bg-primary, #ffffff);
  border: 1px solid var(--pro-border-color, rgba(0,0,0,0.1));
  border-radius: var(--kanban-border-radius-sm);
  padding: var(--kanban-card-padding);
  margin-bottom: calc(var(--kanban-card-padding) / 2);
  cursor: grab;
  transition: box-shadow 0.2s ease, transform 0.15s ease, opacity 0.15s ease;
  user-select: none;
}

.kanban-card:hover {
  box-shadow: var(--pro-shadow-sm, 0 2px 4px rgba(0,0,0,0.1));
  transform: translateY(-1px);
}

.kanban-card:focus-visible {
  outline: var(--focus-ring-width) var(--focus-ring-style) var(--focus-ring-color);
  outline-offset: var(--focus-ring-offset);
  box-shadow: var(--focus-ring-shadow);
}

.kanban-card.dragging {
  opacity: 0.5;
  cursor: grabbing;
}

/* Card Labels */
.kanban-card-labels {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin-bottom: 0.5rem;
}

.kanban-label {
  display: inline-block;
  padding: 0.125rem 0.5rem;
  font-size: var(--pro-font-size-xs, 0.6875rem);
  font-weight: var(--pro-font-weight-medium, 500);
  color: #fff;
  background: var(--pro-primary, #0d6efd);
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

/* Card Title */
.kanban-card-title {
  font-weight: var(--pro-font-weight-medium, 500);
  color: var(--pro-text-primary, #212529);
  margin-bottom: 0.25rem;
  line-height: 1.4;
}

/* Card Description */
.kanban-card-description {
  font-size: var(--pro-font-size-sm, 0.8125rem);
  color: var(--pro-text-secondary, #6c757d);
  line-height: 1.4;
  margin-bottom: 0.5rem;
}

/* Card Metadata */
.kanban-card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--pro-font-size-xs, 0.75rem);
  color: var(--pro-text-muted, #adb5bd);
  margin-top: 0.5rem;
}

.kanban-card-meta > span {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

/* Priority indicators */
.kanban-card-priority.priority-high { color: var(--pro-danger, #dc3545); }
.kanban-card-priority.priority-medium { color: var(--pro-warning, #ffc107); }
.kanban-card-priority.priority-low { color: var(--pro-success, #198754); }

/* Due date states */
.kanban-card-due.due-overdue { color: var(--pro-danger, #dc3545); font-weight: 600; }
.kanban-card-due.due-today { color: var(--pro-warning-text, #856404); }
.kanban-card-due.due-soon { color: var(--pro-info, #0dcaf0); }

/* Card Footer */
.kanban-card-footer {
  display: flex;
  justify-content: flex-end;
  margin-top: 0.5rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--pro-border-color-light, rgba(0,0,0,0.05));
}

.kanban-card-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--pro-bg-primary, #ffffff);
  box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.kanban-card-assignee-initials {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--pro-primary, #0d6efd);
  color: #fff;
  font-size: 0.625rem;
  font-weight: 600;
}

/* Priority card borders */
.kanban-card.priority-high {
  border-left: 3px solid var(--pro-danger, #dc3545);
}

.kanban-card.priority-medium {
  border-left: 3px solid var(--pro-warning, #ffc107);
}

.kanban-card.priority-low {
  border-left: 3px solid var(--pro-success, #198754);
}

/* Touch ghost */
.kanban-touch-ghost {
  box-shadow: var(--pro-shadow-lg, 0 8px 24px rgba(0,0,0,0.15));
  transform: rotate(2deg);
}

/* ========================================
   Add Card Button
   ======================================== */

.kanban-add-card-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  width: 100%;
  padding: var(--kanban-card-padding);
  margin: 0;
  border: none;
  border-top: 1px solid var(--pro-border-color, rgba(0,0,0,0.1));
  background: transparent;
  color: var(--pro-text-secondary, #6c757d);
  font-size: var(--pro-font-size-sm, 0.8125rem);
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
  border-radius: 0 0 var(--kanban-border-radius) var(--kanban-border-radius);
}

.kanban-add-card-btn:hover {
  background: var(--pro-bg-tertiary, rgba(0,0,0,0.05));
  color: var(--pro-primary, #0d6efd);
}

.kanban-add-card-btn:focus-visible {
  outline: var(--focus-ring-width) var(--focus-ring-style) var(--focus-ring-color);
  outline-offset: var(--focus-ring-offset-inset);
  box-shadow: var(--focus-ring-shadow-inset);
}

/* ========================================
   Drop Indicator
   ======================================== */

.kanban-drop-indicator {
  height: 3px;
  background: var(--pro-primary, #0d6efd);
  border-radius: 2px;
  margin: 0.25rem 0;
  pointer-events: none;
  animation: kanban-pulse 1s ease-in-out infinite;
}

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

/* ========================================
   Drop Zone States
   ======================================== */

.kanban-column.drop-valid .kanban-column-body {
  background: var(--pro-success-bg, rgba(25, 135, 84, 0.1));
  border: 2px dashed var(--pro-success, #198754);
  border-radius: var(--kanban-border-radius-sm);
}

.kanban-column.drop-invalid .kanban-column-body {
  opacity: 0.5;
  pointer-events: none;
}

/* ========================================
   Loading State
   ======================================== */

.kanban-board.loading .kanban-columns {
  opacity: 0.5;
  pointer-events: none;
}

.kanban-board.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 40px;
  height: 40px;
  margin: -20px 0 0 -20px;
  border: 3px solid var(--pro-border-color, rgba(0,0,0,0.1));
  border-top-color: var(--pro-primary, #0d6efd);
  border-radius: 50%;
  animation: kanban-spin 0.8s linear infinite;
}

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

/* ========================================
   Responsive Breakpoints
   ======================================== */

/* Tablet */
@media (max-width: 992px) {
  .kanban-board {
    --kanban-column-width: 280px;
  }
}

/* Mobile landscape */
@media (max-width: 768px) {
  .kanban-board {
    --kanban-column-width: 260px;
  }
}

/* Mobile portrait */
@media (max-width: 576px) {
  .kanban-board {
    --kanban-column-width: 85vw;
  }
  
  .kanban-columns {
    scroll-snap-type: x mandatory;
    padding: 0.5rem;
  }
  
  .kanban-column {
    scroll-snap-align: start;
  }
}

/* Touch device adjustments */
@media (pointer: coarse) {
  .kanban-column-body {
    /* Better touch scrolling */
    overscroll-behavior: contain;
  }
  
  .kanban-add-card-btn {
    min-height: 44px;
  }
  
  .kanban-card {
    min-height: 44px;
    padding: 0.875rem;
  }
}

/* ========================================
   Reduced Motion
   ======================================== */

@media (prefers-reduced-motion: reduce) {
  .kanban-columns {
    scroll-behavior: auto;
  }
  
  .kanban-column,
  .kanban-add-card-btn,
  .kanban-card {
    transition: none;
  }
  
  .kanban-drop-indicator,
  .kanban-board.loading::after {
    animation: none;
  }
  
  .kanban-drop-indicator {
    opacity: 1;
  }
}

/* ========================================
   Swimlane Layout
   ======================================== */

.kanban-board.has-swimlanes {
  display: flex;
  flex-direction: column;
}

.kanban-board.has-swimlanes .kanban-swimlane-wrapper {
  display: flex;
  flex-direction: column;
  flex: 1;
  overflow: auto;
}

/* Swimlane header row */
.kanban-header {
  display: grid;
  grid-template-columns: 200px repeat(var(--kanban-column-count, 3), var(--kanban-column-width));
  gap: 0.5rem;
  position: sticky;
  top: 0;
  background: var(--pro-bg-primary, #ffffff);
  z-index: 10;
  padding: var(--kanban-header-padding);
  border-bottom: 2px solid var(--pro-border-color, rgba(0,0,0,0.1));
  width: fit-content;
  min-width: 100%;
}

.kanban-header-cell {
  font-weight: var(--pro-font-weight-semibold, 600);
  color: var(--pro-text-primary, #212529);
  padding: 0.5rem;
  text-align: center;
}

.kanban-header-cell.kanban-header-label {
  text-align: left;
}

/* Swimlane row */
.kanban-swimlane {
  border-bottom: 1px solid var(--pro-border-color, rgba(0,0,0,0.1));
  width: fit-content;
  min-width: 100%;
}

.kanban-swimlane:last-child {
  border-bottom: none;
}

.kanban-swimlane-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: var(--kanban-header-padding);
  background: var(--pro-bg-secondary, #f8f9fa);
  cursor: pointer;
  user-select: none;
  transition: background-color 0.15s ease;
  /* Match the grid width: label column + all card columns + gaps */
  min-width: calc(200px + (var(--kanban-column-count, 3) * var(--kanban-column-width)) + ((var(--kanban-column-count, 3)) * 0.5rem));
}

.kanban-swimlane-header:hover {
  background: var(--pro-bg-tertiary, rgba(0,0,0,0.05));
}

.kanban-swimlane-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  padding: 0;
  background: none;
  border: none;
  border-radius: var(--kanban-border-radius-sm);
  color: var(--pro-text-secondary, #6c757d);
  cursor: pointer;
  transition: color 0.15s ease, background-color 0.15s ease;
}

.kanban-swimlane-toggle:hover {
  background: var(--pro-bg-tertiary, rgba(0,0,0,0.05));
  color: var(--pro-text-primary, #212529);
}

.kanban-swimlane-toggle:focus-visible {
  outline: var(--focus-ring-width) var(--focus-ring-style) var(--focus-ring-color);
  outline-offset: var(--focus-ring-offset);
  box-shadow: var(--focus-ring-shadow);
}

.kanban-swimlane-title {
  font-weight: var(--pro-font-weight-medium, 500);
  color: var(--pro-text-primary, #212529);
  flex: 1;
}

.kanban-swimlane-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.5rem;
  height: 1.5rem;
  padding: 0 0.375rem;
  font-size: var(--pro-font-size-xs, 0.75rem);
  font-weight: var(--pro-font-weight-medium, 500);
  color: var(--pro-text-secondary, #6c757d);
  background: var(--pro-bg-tertiary, rgba(0,0,0,0.05));
  border-radius: 1rem;
  font-family: var(--pro-font-mono, monospace);
}

/* Swimlane body grid */
.kanban-swimlane-body {
  display: grid;
  grid-template-columns: 200px repeat(var(--kanban-column-count, 3), var(--kanban-column-width));
  gap: 0.5rem;
  padding: 0.5rem;
}

/* Reserve space for the label column in body (matches header layout) */
.kanban-swimlane-body::before {
  content: '';
  grid-column: 1;
}

.kanban-swimlane-cell {
  min-height: 80px;
  background: var(--pro-bg-tertiary, rgba(0,0,0,0.02));
  border: 1px dashed var(--pro-border-color-light, rgba(0,0,0,0.08));
  border-radius: var(--kanban-border-radius-sm);
  padding: calc(var(--kanban-card-padding) / 2);
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.kanban-swimlane-cell:empty::after {
  content: '';
}

/* Collapsed swimlane */
.kanban-swimlane.collapsed .kanban-swimlane-body {
  display: none;
}

.kanban-swimlane.collapsed .kanban-swimlane-header {
  opacity: 0.75;
}

/* Drop valid state for swimlane cells */
.kanban-swimlane-cell.drop-valid {
  background: var(--pro-success-bg, rgba(25, 135, 84, 0.1));
  border-color: var(--pro-success, #198754);
  border-style: solid;
}

/* Responsive swimlanes */
@media (max-width: 992px) {
  .kanban-header,
  .kanban-swimlane-body {
    grid-template-columns: 150px repeat(var(--kanban-column-count, 3), 260px);
  }
}

@media (max-width: 768px) {
  .kanban-header,
  .kanban-swimlane-body {
    grid-template-columns: 120px repeat(var(--kanban-column-count, 3), 240px);
  }
}

@media (max-width: 576px) {
  /* Stack swimlanes on mobile */
  .kanban-header {
    display: none;
  }
  
  .kanban-swimlane-body {
    display: flex;
    flex-direction: column;
    padding-left: 0.5rem;
    gap: 0.5rem;
  }
  
  .kanban-swimlane-cell {
    min-height: 60px;
  }
  
  .kanban-swimlane-cell::before {
    content: attr(data-column);
    display: block;
    font-size: var(--pro-font-size-xs, 0.75rem);
    font-weight: var(--pro-font-weight-medium, 500);
    color: var(--pro-text-muted, #adb5bd);
    text-transform: uppercase;
    margin-bottom: 0.25rem;
  }
}

/* ========================================
   Print Styles
   ======================================== */

@media print {
  .kanban-board {
    height: auto;
    overflow: visible;
  }
  
  .kanban-columns {
    display: block;
    overflow: visible;
  }
  
  .kanban-column {
    width: 100%;
    max-height: none;
    page-break-inside: avoid;
    margin-bottom: 1rem;
  }
  
  .kanban-add-card-btn {
    display: none;
  }
  
  /* Swimlane print */
  .kanban-swimlane.collapsed .kanban-swimlane-body {
    display: grid;
  }
  
  .kanban-swimlane-toggle {
    display: none;
  }
}

/* ========================================
   Loading State
   ======================================== */

.kanban-board.loading {
  position: relative;
}

.kanban-board.loading .kanban-columns,
.kanban-board.loading .kanban-swimlanes {
  opacity: 0.5;
  pointer-events: none;
}

.kanban-board.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 40px;
  height: 40px;
  margin: -20px 0 0 -20px;
  border: 3px solid var(--pro-border-color, rgba(0, 0, 0, 0.1));
  border-top-color: var(--pro-primary, #2196f3);
  border-radius: 50%;
  animation: kanban-spin 0.8s linear infinite;
  z-index: 100;
}

@keyframes kanban-spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* ========================================
   Remote Update Animation
   ======================================== */

.kanban-card.remote-update {
  animation: kanban-flash 0.5s ease 2;
}

@keyframes kanban-flash {
  0%, 100% { 
    background: var(--pro-bg-primary, #ffffff); 
  }
  50% { 
    background: var(--pro-info-bg, rgba(33, 150, 243, 0.15)); 
  }
}

/* Dark theme remote update */
[data-theme="dark"] .kanban-card.remote-update,
.dark-mode .kanban-card.remote-update {
  animation: kanban-flash-dark 0.5s ease 2;
}

@keyframes kanban-flash-dark {
  0%, 100% { 
    background: var(--pro-bg-secondary, #1e1e1e); 
  }
  50% { 
    background: var(--pro-info-bg, rgba(33, 150, 243, 0.25)); 
  }
}

/* ========================================
   User Presence
   ======================================== */

.kanban-presence {
  display: flex;
  align-items: center;
  padding: 0.5rem var(--kanban-header-padding);
  gap: 0;
}

.kanban-presence:empty {
  display: none;
}

.kanban-presence-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--pro-bg-primary, #ffffff);
  margin-left: -8px;
  object-fit: cover;
  background: var(--pro-bg-secondary, #f5f5f5);
  flex-shrink: 0;
}

.kanban-presence-avatar:first-child {
  margin-left: 0;
}

.kanban-presence-initials {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--pro-text-primary, #333333);
  background: var(--pro-bg-tertiary, #e0e0e0);
}

/* Density adjustments for presence */
[data-density="compact"] .kanban-presence-avatar {
  width: 24px;
  height: 24px;
  margin-left: -6px;
  font-size: 0.75rem;
}

[data-density="spacious"] .kanban-presence-avatar {
  width: 40px;
  height: 40px;
  margin-left: -10px;
  border-width: 3px;
}

/* ========================================
   API Error State
   ======================================== */

.kanban-card.save-error {
  border-color: var(--pro-danger, #dc3545);
  box-shadow: 0 0 0 2px rgba(220, 53, 69, 0.25);
}

.kanban-card.saving {
  opacity: 0.7;
  pointer-events: none;
}

.kanban-card.saving::after {
  content: '';
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  width: 14px;
  height: 14px;
  border: 2px solid var(--pro-border-color, rgba(0, 0, 0, 0.1));
  border-top-color: var(--pro-primary, #2196f3);
  border-radius: 50%;
  animation: kanban-spin 0.8s linear infinite;
}

/* ========================================
   Keyboard Navigation
   ======================================== */

.kanban-card:focus-visible {
  outline: var(--focus-ring-width) var(--focus-ring-style) var(--focus-ring-color);
  outline-offset: var(--focus-ring-offset);
  box-shadow: var(--focus-ring-shadow);
}

.kanban-card.picked {
  outline: 3px solid var(--pro-primary, #2196f3);
  outline-offset: 2px;
  box-shadow: var(--pro-shadow-lg, 0 10px 20px rgba(0, 0, 0, 0.15));
  z-index: 10;
}

/* Screen reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ========================================
   Inline Add Card Form
   ======================================== */

.kanban-add-card {
  padding: 0.5rem;
}

.kanban-add-card-form {
  background: var(--pro-bg-primary, #ffffff);
  border: 1px solid var(--pro-border-color, rgba(0, 0, 0, 0.1));
  border-radius: var(--kanban-border-radius-sm, 4px);
  padding: var(--kanban-card-padding, 0.75rem);
}

.kanban-add-card-input {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--pro-border-color, rgba(0, 0, 0, 0.1));
  border-radius: var(--kanban-border-radius-sm, 4px);
  font-size: inherit;
  font-family: inherit;
  background: var(--pro-bg-primary, #ffffff);
  color: var(--pro-text-primary, #333333);
}

.kanban-add-card-input:focus-visible {
  outline: var(--focus-ring-width) var(--focus-ring-style) var(--focus-ring-color);
  outline-offset: var(--focus-ring-offset);
  box-shadow: var(--focus-ring-shadow);
  border-color: var(--pro-primary, #2196f3);
}

.kanban-add-card-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.kanban-add-card-submit,
.kanban-add-card-cancel {
  padding: 0.375rem 0.75rem;
  border: none;
  border-radius: var(--kanban-border-radius-sm, 4px);
  font-size: 0.875rem;
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.kanban-add-card-submit {
  background: var(--pro-primary, #2196f3);
  color: white;
}

.kanban-add-card-submit:hover {
  background: var(--pro-primary-dark, #1976d2);
}

.kanban-add-card-cancel {
  background: var(--pro-bg-secondary, #f5f5f5);
  color: var(--pro-text-secondary, #666666);
}

.kanban-add-card-cancel:hover {
  background: var(--pro-bg-tertiary, #e0e0e0);
}

/* ========================================
   Card Detail Modal
   ======================================== */

.kanban-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.kanban-modal {
  background: var(--pro-bg-primary, #ffffff);
  border-radius: var(--kanban-border-radius, 8px);
  box-shadow: var(--pro-shadow-lg, 0 10px 40px rgba(0, 0, 0, 0.2));
  width: 90%;
  max-width: 500px;
  max-height: 80vh;
  overflow-y: auto;
}

.kanban-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  border-bottom: 1px solid var(--pro-border-color, rgba(0, 0, 0, 0.1));
}

.kanban-modal-title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--pro-text-primary, #333333);
}

.kanban-modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--pro-text-secondary, #666666);
  line-height: 1;
  padding: 0.25rem;
}

.kanban-modal-close:hover {
  color: var(--pro-text-primary, #333333);
}

.kanban-modal-body {
  padding: 1rem;
}

.kanban-modal-section {
  margin-bottom: 1rem;
}

.kanban-modal-section:last-child {
  margin-bottom: 0;
}

.kanban-modal-section label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--pro-text-secondary, #666666);
  margin-bottom: 0.25rem;
}

.kanban-modal-section input,
.kanban-modal-section select,
.kanban-modal-section textarea {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--pro-border-color, rgba(0, 0, 0, 0.1));
  border-radius: var(--kanban-border-radius-sm, 4px);
  font-size: inherit;
  font-family: inherit;
  background: var(--pro-bg-primary, #ffffff);
  color: var(--pro-text-primary, #333333);
}

.kanban-modal-section textarea {
  resize: vertical;
  min-height: 80px;
}

.kanban-modal-footer {
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
  padding: 1rem;
  border-top: 1px solid var(--pro-border-color, rgba(0, 0, 0, 0.1));
}

.kanban-modal-save,
.kanban-modal-delete {
  padding: 0.5rem 1rem;
  border: none;
  border-radius: var(--kanban-border-radius-sm, 4px);
  font-size: 0.875rem;
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.kanban-modal-save {
  background: var(--pro-primary, #2196f3);
  color: white;
}

.kanban-modal-save:hover {
  background: var(--pro-primary-dark, #1976d2);
}

.kanban-modal-delete {
  background: var(--pro-danger-bg, rgba(220, 53, 69, 0.1));
  color: var(--pro-danger, #dc3545);
}

.kanban-modal-delete:hover {
  background: var(--pro-danger, #dc3545);
  color: white;
}

/* Activity log */
.kanban-modal-activity-log {
  max-height: 150px;
  overflow-y: auto;
  font-size: 0.875rem;
}

.kanban-activity-item {
  display: flex;
  justify-content: space-between;
  padding: 0.375rem 0;
  border-bottom: 1px solid var(--pro-border-color-light, rgba(0, 0, 0, 0.05));
}

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

.kanban-activity-time {
  color: var(--pro-text-muted, #999999);
  font-size: 0.75rem;
}

.kanban-activity-empty {
  color: var(--pro-text-muted, #999999);
  font-style: italic;
}

/* ========================================
   High Contrast & Reduced Motion
   ======================================== */

@media (prefers-contrast: high) {
  .kanban-card {
    border-width: 2px;
  }
  
  .kanban-column {
    border: 2px solid currentColor;
  }
  
  .kanban-card:focus-visible,
  .kanban-card.picked {
    outline: var(--focus-ring-width) var(--focus-ring-style) var(--focus-ring-color);
    outline-offset: var(--focus-ring-offset);
    box-shadow: var(--focus-ring-shadow);
  }
}

@media (prefers-reduced-motion: reduce) {
  .kanban-card,
  .kanban-drop-indicator,
  .kanban-card.remote-update {
    transition: none;
    animation: none;
  }
}

/* ========================================
   Funky.Presence Integration
   Real-time presence indicators for collaborative boards
   ======================================== */

/* Board-level presence indicator */
.kanban-board__presence {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-bottom: 1px solid var(--pro-border-color, rgba(0, 0, 0, 0.1));
  background: var(--pro-bg-secondary, #f8f9fa);
}

.kanban-board__presence:empty {
  display: none;
}

/* Override avatar stack sizing for board header */
.kanban-board__presence .presence-avatars {
  margin: 0;
}

.kanban-board__presence .presence-avatars__avatar {
  width: 28px;
  height: 28px;
  border-width: 2px;
}

.kanban-board__presence .presence-avatars__overflow {
  width: 28px;
  height: 28px;
  font-size: 0.7rem;
}

/* Card being dragged by another user */
.kanban-card--remote-drag {
  opacity: 0.6;
  pointer-events: none;
  border: 2px dashed var(--pro-accent-warning, #d29922) !important;
  position: relative;
}

.kanban-card--remote-drag::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--pro-accent-warning-muted, rgba(210, 153, 34, 0.1));
  pointer-events: none;
  z-index: 1;
}

/* Drag indicator tooltip */
.kanban-card__drag-indicator {
  position: absolute;
  bottom: -32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: var(--pro-bg-secondary, #161b22);
  border: 1px solid var(--pro-accent-warning, #d29922);
  border-radius: 4px;
  font-size: 0.75rem;
  color: var(--pro-accent-warning, #d29922);
  white-space: nowrap;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.kanban-card__drag-indicator[hidden] {
  display: none;
}

.kanban-card__drag-avatar {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 1px solid var(--pro-accent-warning, #d29922);
}

.kanban-card__drag-text {
  font-style: italic;
}

/* Card viewers indicator (when viewing card details) */
.kanban-card__viewers {
  position: absolute;
  top: 4px;
  right: 4px;
  z-index: 5;
}

.kanban-card__viewers .presence-avatars__avatar {
  width: 20px;
  height: 20px;
  border-width: 1px;
}

/* Dark theme adjustments */
[data-theme="dark"] .kanban-board__presence {
  background: var(--pro-bg-tertiary, #1c2128);
  border-bottom-color: var(--pro-border-color, #30363d);
}

[data-theme="dark"] .kanban-card__drag-indicator {
  background: var(--pro-bg-tertiary, #1c2128);
}

/* Light theme adjustments */
[data-theme="light"] .kanban-board__presence {
  background: var(--pro-bg-secondary, #f6f8fa);
  border-bottom-color: var(--pro-border-color, #d0d7de);
}

[data-theme="light"] .kanban-card__drag-indicator {
  background: var(--pro-bg-primary, #ffffff);
  color: var(--pro-accent-warning, #9a6700);
  border-color: var(--pro-accent-warning, #9a6700);
}

/* Even-funkyer theme */
[data-theme="even-funkyer"] .kanban-board__presence {
  background: rgba(0, 0, 0, 0.3);
  border-bottom-color: rgba(255, 0, 255, 0.3);
}

[data-theme="even-funkyer"] .kanban-card--remote-drag {
  border-color: var(--neon-yellow, #ffff00) !important;
}

[data-theme="even-funkyer"] .kanban-card--remote-drag::before {
  background: rgba(255, 255, 0, 0.1);
}

[data-theme="even-funkyer"] .kanban-card__drag-indicator {
  background: rgba(0, 0, 0, 0.8);
  border-color: var(--neon-yellow, #ffff00);
  color: var(--neon-yellow, #ffff00);
  text-shadow: 0 0 10px var(--neon-yellow, #ffff00);
  box-shadow: 0 0 15px rgba(255, 255, 0, 0.3);
}

[data-theme="even-funkyer"] .kanban-card__drag-avatar {
  border-color: var(--neon-yellow, #ffff00);
  box-shadow: 0 0 8px var(--neon-yellow, #ffff00);
}

/* High contrast mode for presence */
@media (prefers-contrast: more) {
  .kanban-card--remote-drag {
    border-width: 3px;
    opacity: 0.5;
  }

  .kanban-card__drag-indicator {
    border-width: 2px;
    font-weight: bold;
  }
}

/* Reduced motion for presence animations */
@media (prefers-reduced-motion: reduce) {
  .kanban-card--remote-drag::before {
    animation: none;
  }
}

/* ========================================
   Playground Demo Styles
   ======================================== */

.kanban-demo__container {
  min-height: 400px;
  max-height: 600px;
  overflow: auto;
  border: 1px solid var(--pro-border-color, rgba(255, 255, 255, 0.1));
  border-radius: var(--pro-border-radius, 6px);
  background: var(--pro-bg-secondary, rgba(255, 255, 255, 0.03));
}

.kanban-demo__button-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--pro-spacing-sm, 0.75rem);
  align-items: flex-start;
}

.kanban-demo__button-grid .btn {
  flex-shrink: 0;
}

.kanban-demo__log {
  font-family: var(--pro-font-mono, 'Monaco', 'Menlo', 'Consolas', monospace);
  font-size: var(--pro-font-size-sm, 0.8125rem);
  line-height: 1.6;
  padding: var(--pro-spacing-md, 1rem);
  margin: 0;
  background: var(--pro-bg-tertiary, var(--pro-bg-secondary));
  color: var(--pro-text-muted, var(--pro-text-secondary));
  border-radius: var(--pro-radius-md, 6px);
  border: 1px solid var(--pro-border-color);
  min-height: 80px;
  max-height: 200px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

/* Light theme demo styles */
[data-theme="light"] .kanban-demo__container {
  background: var(--pro-bg-secondary, #f8f9fa);
  border-color: var(--pro-border-color, #dee2e6);
}

[data-theme="light"] .kanban-demo__log {
  background: var(--pro-bg-tertiary, #e9ecef);
  border-color: var(--pro-border-color, #dee2e6);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .kanban-demo__button-grid {
    gap: var(--pro-spacing-xs, 0.5rem);
  }

  .kanban-demo__button-grid .btn {
    flex: 1 1 calc(50% - var(--pro-spacing-xs, 0.5rem));
    min-width: 140px;
  }

  .kanban-demo__container {
    min-height: 300px;
  }
}

@media (max-width: 480px) {
  .kanban-demo__button-grid .btn {
    flex: 1 1 100%;
  }
}

/* High contrast mode */
@media (prefers-contrast: high) {
  .kanban-demo__log {
    border-width: 2px;
  }
}

[data-theme="high-contrast"] .kanban-demo__log {
  border: 2px solid #ffffff;
  background: #000000;
  color: #ffffff;
}