/*
 * DRAG & DROP CSS - Apple-level Quality
 * Obsessively crafted for perfect visual feedback
 */

/* Dragging states */
.is-dragging {
  opacity: 0.6 !important;
  transform: rotate(2deg) !important;
  transition: all 0.2s ease !important;
  z-index: 1000;
  cursor: grabbing !important;
}

/* Drop zones */
.kanban-column {
  transition: all 0.2s ease;
  cursor: pointer;
}

.kanban-column.drop-active {
  box-shadow: inset 0 0 0 2px rgba(59, 130, 246, 0.3);
  background-color: rgba(59, 130, 246, 0.05);
  transform: translateY(-2px);
}

.kanban-column.drag-over {
  box-shadow: inset 0 0 0 3px rgba(34, 197, 94, 0.4) !important;
  background-color: rgba(34, 197, 94, 0.1) !important;
  transform: scale(1.02) !important;
}

/* Task items in Kanban */
.kanban-column li[data-task-id] {
  cursor: grab;
  transition: all 0.2s ease;
}

.kanban-column li[data-task-id]:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

/* Pulse animation for successful drops */
@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

/* Drag ghost image improvements */
.kanban-column li[data-task-id].is-dragging {
  opacity: 0.6;
  transform: rotate(2deg);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

/* Drop zone indicators */
.drop-zone-indicator {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border: 2px dashed rgba(34, 197, 94, 0.6);
  border-radius: 24px;
  background: rgba(34, 197, 94, 0.05);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.kanban-column.drag-over .drop-zone-indicator {
  opacity: 1;
}

/* Accessibility improvements */
.kanban-column[aria-dropeffect="move"] {
  outline: 3px solid rgba(59, 130, 246, 0.3);
  outline-offset: 2px;
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
  .kanban-column li[data-task-id] {
    cursor: default;
  }

  .is-dragging {
    transform: scale(1.1) rotate(0deg) !important;
  }

  .kanban-column.drop-active {
    transform: translateY(0) !important;
    box-shadow: inset 0 0 0 4px rgba(59, 130, 246, 0.5);
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .kanban-column.drop-active {
    box-shadow: inset 0 0 0 3px #0066FF;
    background-color: rgba(0, 102, 255, 0.1);
  }

  .kanban-column.drag-over {
    box-shadow: inset 0 0 0 4px #00AA00 !important;
    background-color: rgba(0, 170, 0, 0.15) !important;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .kanban-column,
  .kanban-column li[data-task-id],
  .is-dragging {
    transition: none !important;
    animation: none !important;
    transform: none !important;
  }

  .kanban-column.drop-active {
    transform: none !important;
  }

  .kanban-column.drag-over {
    transform: none !important;
  }
}

/* Dark mode support (if applicable) */
@media (prefers-color-scheme: dark) {
  .kanban-column.drop-active {
    box-shadow: inset 0 0 0 2px rgba(96, 165, 250, 0.5);
    background-color: rgba(96, 165, 250, 0.1);
  }

  .kanban-column.drag-over {
    box-shadow: inset 0 0 0 3px rgba(74, 222, 128, 0.6) !important;
    background-color: rgba(74, 222, 128, 0.15) !important;
  }
}

/* Focus states for keyboard navigation */
.kanban-column:focus-visible {
  outline: 3px solid rgba(59, 130, 246, 0.5);
  outline-offset: 2px;
}

.kanban-column li[data-task-id]:focus-visible {
  outline: 2px solid rgba(59, 130, 246, 0.5);
  outline-offset: 2px;
  border-radius: 16px;
}