/* ===================================================
   ANIMATIONS — Ministério de Música
   Transições, keyframes, micro-interações
   =================================================== */

/* Page transitions */
.page-exit {
  opacity: 0;
  transform: translateY(8px);
  transition: all var(--transition-fast);
}

.page-enter {
  animation: fadeSlideIn var(--transition-base) ease forwards;
}

@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Card hover */
.card--interactive {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

/* Stagger list items */
.stagger-item {
  animation: staggerIn 200ms ease both;
}

.stagger-item:nth-child(1) { animation-delay: 0ms; }
.stagger-item:nth-child(2) { animation-delay: 30ms; }
.stagger-item:nth-child(3) { animation-delay: 60ms; }
.stagger-item:nth-child(4) { animation-delay: 90ms; }
.stagger-item:nth-child(5) { animation-delay: 120ms; }
.stagger-item:nth-child(6) { animation-delay: 150ms; }
.stagger-item:nth-child(7) { animation-delay: 180ms; }
.stagger-item:nth-child(8) { animation-delay: 210ms; }
.stagger-item:nth-child(9) { animation-delay: 240ms; }
.stagger-item:nth-child(10) { animation-delay: 270ms; }
.stagger-item:nth-child(11) { animation-delay: 300ms; }
.stagger-item:nth-child(12) { animation-delay: 330ms; }
.stagger-item:nth-child(n+13) { animation-delay: 360ms; }

@keyframes staggerIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Fallback: ensure items are visible if animation doesn't run */
@media (prefers-reduced-motion: reduce) {
  .stagger-item { animation: none; opacity: 1; transform: none; }
}

/* Badge pop-in */
.badge--animate {
  animation: popIn var(--transition-fast) var(--transition-spring);
}

@keyframes popIn {
  from { transform: scale(0); }
  to { transform: scale(1); }
}

/* Skeleton shimmer */
.skeleton {
  background: linear-gradient(90deg,
    var(--color-gray-100) 25%,
    var(--color-gray-200) 50%,
    var(--color-gray-100) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

.skeleton--text {
  height: 14px;
  width: 80%;
  margin-bottom: var(--space-4);
}

.skeleton--text-sm {
  height: 12px;
  width: 60%;
}

.skeleton--card {
  height: 120px;
  border-radius: var(--radius-md);
}

.skeleton--avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Notification pulse */
.notification-dot {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 8px;
  height: 8px;
  background: var(--color-error);
  border-radius: var(--radius-full);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.9); }
}

/* Sidebar collapse — width + collapsed state handled in layout.css */

/* Tab indicator slide */
.tabs__indicator {
  transition: transform var(--transition-base), width var(--transition-base);
}

/* Drawer slide-in */
.drawer {
  transform: translateX(100%);
  transition: transform var(--transition-slow);
}

.drawer--open {
  transform: translateX(0);
}

.drawer-overlay {
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.drawer-overlay--visible {
  opacity: 1;
  pointer-events: all;
}

/* Toast slide-up */
.toast {
  animation: toastIn var(--transition-base) ease forwards;
}

.toast--exit {
  animation: toastOut var(--transition-base) ease forwards;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateY(20px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes toastOut {
  from { opacity: 1; transform: translateY(0) scale(1); }
  to { opacity: 0; transform: translateY(-10px) scale(0.95); }
}

/* Checkbox check animation */
.task-item--done .task-item__text {
  text-decoration: line-through;
  color: var(--color-gray-400);
  transition: all var(--transition-base);
}

/* Accordion expand */
.accordion__content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow) ease;
}

.accordion--open .accordion__content {
  max-height: 2000px;
}

/* Drag item */
.sortable-ghost {
  opacity: 0.4;
}

.sortable-chosen {
  box-shadow: var(--shadow-xl);
  transform: scale(1.02);
}

.sortable-drag {
  opacity: 0.9;
}

/* Modal animation */
.modal-overlay {
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.modal-overlay--visible {
  opacity: 1;
  pointer-events: all;
}

.modal-overlay--visible .modal {
  transform: scale(1) translateY(0);
  opacity: 1;
}

.modal {
  transform: scale(0.95) translateY(10px);
  opacity: 0;
  transition: transform var(--transition-slow), opacity var(--transition-base);
}

/* FAB scale */
.fab {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.fab:hover {
  transform: scale(1.08);
  box-shadow: var(--shadow-lg);
}

.fab:active {
  transform: scale(0.95);
}

/* Ripple effect */
.ripple {
  position: relative;
  overflow: hidden;
}

.ripple::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle, rgba(255,255,255,0.3) 10%, transparent 10.01%);
  background-repeat: no-repeat;
  background-position: 50%;
  transform: scale(10);
  opacity: 0;
  transition: transform 0.5s, opacity 0.5s;
}

.ripple:active::after {
  transform: scale(0);
  opacity: 1;
  transition: 0s;
}

/* Spin */
.spin {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Fade in */
.fade-in {
  animation: fadeIn var(--transition-base) ease forwards;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}