/* === Animations — transições e microinterações === */

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

/* Botões — hover, press e ripple suave */
.btn {
  transition:
    background var(--duration-fast) var(--ease-soft),
    color var(--duration-fast) var(--ease-soft),
    border-color var(--duration-fast) var(--ease-soft),
    transform var(--duration-fast) var(--ease-soft),
    box-shadow var(--duration-fast) var(--ease-soft),
    filter var(--duration-fast) var(--ease-soft);
  transform: translateZ(0);
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--ripple-x, 50%) var(--ripple-y, 50%), rgba(255, 255, 255, 0.22), transparent 65%);
  opacity: 0;
  transform: scale(0.4);
  transition: opacity 0.45s var(--ease-soft), transform 0.45s var(--ease-soft);
  pointer-events: none;
}

.btn.is-pressed::after {
  opacity: 1;
  transform: scale(1.2);
  transition: opacity 0s, transform 0s;
}

.btn:active:not(:disabled) {
  transform: scale(0.97);
}

.btn--primary:hover:not(:disabled) {
  filter: brightness(1.08);
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.25);
}

.btn--ghost:hover:not(:disabled) {
  transform: translateY(-1px);
}

.btn--ghost:active:not(:disabled) {
  transform: scale(0.97) translateY(0);
}

/* Modais — overlay e painel */
.modal-overlay {
  transition:
    opacity var(--duration-normal) var(--ease-soft),
    visibility var(--duration-normal) var(--ease-soft);
}

.modal-overlay .modal {
  opacity: 0;
  transform: scale(0.96) translateY(12px);
  transition:
    opacity var(--duration-normal) var(--ease-out),
    transform var(--duration-normal) var(--ease-out);
}

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

.modal-overlay--closing {
  opacity: 0;
  pointer-events: none;
}

.modal-overlay--closing .modal {
  opacity: 0;
  transform: scale(0.98) translateY(8px);
}

/* Cards — entrada suave na listagem */
.change-card {
  animation: cardEnter var(--duration-slow) var(--ease-out) backwards;
}

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

.items-list .change-card:nth-child(1) { animation-delay: 0ms; }
.items-list .change-card:nth-child(2) { animation-delay: 40ms; }
.items-list .change-card:nth-child(3) { animation-delay: 80ms; }
.items-list .change-card:nth-child(4) { animation-delay: 120ms; }
.items-list .change-card:nth-child(5) { animation-delay: 160ms; }
.items-list .change-card:nth-child(n+6) { animation-delay: 200ms; }

.change-card {
  transition:
    border-color var(--duration-fast) var(--ease-soft),
    box-shadow var(--duration-fast) var(--ease-soft),
    transform var(--duration-fast) var(--ease-soft);
}

.change-card:hover {
  transform: translateY(-2px);
}

/* Métricas — hover sutil */
.metric-card {
  transition:
    border-color var(--duration-fast) var(--ease-soft),
    transform var(--duration-fast) var(--ease-soft),
    background var(--duration-fast) var(--ease-soft);
}

.metric-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-default);
}

/* Dashboard — contagem */
.metric-value {
  transition: color var(--duration-normal) var(--ease-soft);
}

/* Filtros e inputs */
.form-input,
.form-select,
.filters__group input,
.filters__group select,
.form-field input,
.form-field select,
.form-field textarea {
  transition:
    border-color var(--duration-fast) var(--ease-soft),
    box-shadow var(--duration-fast) var(--ease-soft);
}

/* Toast */
.toast {
  transition:
    opacity var(--duration-normal) var(--ease-out),
    transform var(--duration-normal) var(--ease-out);
  transform: translateX(100%);
  opacity: 0;
}

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

/* Empty state */
.empty-state {
  animation: fadeIn var(--duration-slow) var(--ease-out);
}

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

/* Confirmação — ícone */
.confirm-icon {
  animation: confirmPop var(--duration-normal) var(--ease-out);
}

@keyframes confirmPop {
  from {
    opacity: 0;
    transform: scale(0.85);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Timeline */
.tl-item {
  animation: fadeIn var(--duration-slow) var(--ease-out) backwards;
}

.tl-item:nth-child(1) { animation-delay: 0ms; }
.tl-item:nth-child(2) { animation-delay: 50ms; }
.tl-item:nth-child(3) { animation-delay: 100ms; }
.tl-item:nth-child(4) { animation-delay: 150ms; }