/* PFOS Animations — Micro-interactions & Transitions */

/* ═══════════════════════════════════════════
   Keyframes
   ═══════════════════════════════════════════ */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

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

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

@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(-20px) scale(0.95); }
}

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

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

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

@keyframes bounceIn {
  0% { transform: scale(0.3); opacity: 0; }
  50% { transform: scale(1.05); }
  70% { transform: scale(0.9); }
  100% { transform: scale(1); opacity: 1; }
}

@keyframes countUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes progressFill {
  from { width: 0; }
}

@keyframes ripple {
  to { transform: scale(4); opacity: 0; }
}

@keyframes confetti {
  0% { transform: translateY(0) rotate(0deg); opacity: 1; }
  100% { transform: translateY(-100px) rotate(720deg); opacity: 0; }
}

@keyframes wealthGlow {
  0%, 100% { box-shadow: 0 0 8px rgba(212, 168, 85, 0.2); }
  50% { box-shadow: 0 0 20px rgba(212, 168, 85, 0.4); }
}

/* ═══════════════════════════════════════════
   Animation Classes
   ═══════════════════════════════════════════ */
.animate-fade-in { animation: fadeIn var(--duration-normal) var(--ease-out) both; }
.animate-fade-in-up { animation: fadeInUp var(--duration-normal) var(--ease-out) both; }
.animate-fade-in-down { animation: fadeInDown var(--duration-normal) var(--ease-out) both; }
.animate-slide-in { animation: slideInRight var(--duration-normal) var(--ease-out) both; }
.animate-scale-in { animation: scaleIn var(--duration-normal) var(--ease-spring) both; }
.animate-bounce-in { animation: bounceIn var(--duration-slow) var(--ease-spring) both; }

/* Staggered animations for lists */
.stagger-1 { animation-delay: 50ms; }
.stagger-2 { animation-delay: 100ms; }
.stagger-3 { animation-delay: 150ms; }
.stagger-4 { animation-delay: 200ms; }
.stagger-5 { animation-delay: 250ms; }
.stagger-6 { animation-delay: 300ms; }
.stagger-7 { animation-delay: 350ms; }
.stagger-8 { animation-delay: 400ms; }

/* Loading spinner */
.spinner {
  width: 24px;
  height: 24px;
  border: 2.5px solid var(--color-border);
  border-top-color: var(--color-accent-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
.spinner-sm { width: 16px; height: 16px; border-width: 2px; }
.spinner-lg { width: 32px; height: 32px; border-width: 3px; }

/* Loading overlay */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-bg-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-toast);
}

/* Progress bar fill animation */
.progress-fill { animation: progressFill var(--duration-slow) var(--ease-out) both; }

/* Wealth badge glow */
.wealth-badge--active { animation: wealthGlow 2s ease-in-out infinite; }

/* Ripple effect */
.ripple {
  position: relative;
  overflow: hidden;
}
.ripple::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0);
  background: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  pointer-events: none;
}
.ripple:active::after { animation: ripple 0.6s linear; }

/* Number counter effect */
.count-up { animation: countUp var(--duration-normal) var(--ease-out) both; }

/* Page transition */
.page-enter { animation: fadeInUp var(--duration-normal) var(--ease-out) both; }
.page-exit { animation: fadeIn var(--duration-fast) var(--ease-out) both reverse; }

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