/* ===================================
   INTERACTIONS - Common Interaction Patterns
   ===================================
   
   Shared interaction states, transitions, and animations.
   These are extracted common patterns from atoms.
*/

/* Common hover lift effect */
.hover-lift {
  transition: all var(--duration-200) var(--easing-out);
}

.hover-lift:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.hover-lift:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

/* Common focus ring pattern */
.focus-ring:focus-visible {
  outline: var(--border-width-2) solid var(--border-focus);
  outline-offset: var(--border-width-2);
}

.focus-ring-inset:focus-visible {
  outline: var(--border-width-2) solid var(--border-focus);
  outline-offset: calc(var(--border-width-2) * -1);
}

/* Disabled state pattern */
.disabled-state:disabled,
.disabled-state[aria-disabled="true"] {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Loading state pattern */
.loading-state {
  position: relative;
  color: transparent;
  pointer-events: none;
}

.loading-state::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: var(--icon-size-sm);
  height: var(--icon-size-sm);
  border: var(--border-width-2) solid transparent;
  border-top-color: currentColor;
  border-radius: var(--border-radius-full);
  animation: spin 0.6s linear infinite;
}

/* Spin animation */
@keyframes spin {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Pulse animation */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Fade in animation */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.fade-in {
  animation: fadeIn var(--duration-300) var(--easing-out);
}

/* Slide animations */
@keyframes slideInFromTop {
  from { transform: translateY(-100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@keyframes slideInFromRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@keyframes slideInFromBottom {
  from { transform: translateY(100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@keyframes slideInFromLeft {
  from { transform: translateX(-100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

.slide-in-top {
  animation: slideInFromTop var(--duration-300) var(--easing-out);
}

.slide-in-right {
  animation: slideInFromRight var(--duration-300) var(--easing-out);
}

.slide-in-bottom {
  animation: slideInFromBottom var(--duration-300) var(--easing-out);
}

.slide-in-left {
  animation: slideInFromLeft var(--duration-300) var(--easing-out);
}

/* Scale animation */
@keyframes scaleIn {
  from { transform: scale(0.95); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.scale-in {
  animation: scaleIn var(--duration-200) var(--easing-out);
}

/* Clickable elements */
.clickable {
  cursor: pointer;
  user-select: none;
  transition: all var(--duration-150) var(--easing-out);
}

.clickable:hover {
  opacity: 0.9;
}

.clickable:active {
  opacity: 0.8;
  transform: scale(0.98);
}

/* Interactive states for cards/panels */
.interactive-card {
  transition: all var(--duration-200) var(--easing-out);
  cursor: pointer;
}

.interactive-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.interactive-card:active {
  transform: translateY(0);
  box-shadow: var(--shadow-md);
}

/* Draggable elements */
.draggable {
  cursor: grab;
  user-select: none;
}

.draggable:active {
  cursor: grabbing;
}

.dragging {
  opacity: 0.5;
  cursor: grabbing;
}

/* Drag count badge (multi-item indicator) */
.drag-count-badge {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  background: var(--color-primary);
  color: white;
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--space-0_5) var(--space-2);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-sm);
}

/* Drop zones */
.drop-zone {
  transition: all var(--duration-200) var(--easing-out);
}

.drop-zone-active {
  border-color: var(--color-primary);
  background-color: var(--color-primary-light);
}

/* Selection states */
.selectable {
  transition: all var(--duration-150) var(--easing-out);
}

.selected {
  background-color: var(--color-primary-light);
  border-color: var(--color-primary);
}

/* Hover background change */
.hover-bg:hover {
  background-color: var(--bg-surface-hover);
}

.hover-bg-primary:hover {
  background-color: var(--color-primary-light);
}

/* Smooth transitions */
.transition-all {
  transition: all var(--duration-200) var(--easing-out);
}

.transition-colors {
  transition: color var(--duration-150) var(--easing-out),
              background-color var(--duration-150) var(--easing-out),
              border-color var(--duration-150) var(--easing-out);
}

.transition-transform {
  transition: transform var(--duration-200) var(--easing-out);
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}