/* ============================================================
   BG Remover — Animations
   ============================================================ */

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

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

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

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.55; }
}

.is-fade-in {
  animation: fadeIn var(--dur-slow) var(--ease-standard);
}

.is-fade-up {
  animation: fadeUp var(--dur-slow) var(--ease-standard);
}

.spinner {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid var(--border-strong);
  border-top-color: var(--color-yellow-strong);
  animation: spin 0.9s linear infinite;
  display: inline-block;
}

.skeleton {
  background: linear-gradient(90deg, var(--bg-subtle) 25%, var(--bg-elevated) 50%, var(--bg-subtle) 75%);
  background-size: 200% 100%;
  animation: pulse 1.4s var(--ease-in-out) infinite;
  border-radius: var(--radius-sm);
}

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