/* ============================================
   ANIMATIONS.CSS - Page transitions, hovers, loaders
   ============================================ */

/* Page transition - fade in */
@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Apply to body when navigating */
body.page-transition-out {
  animation: fade-out 0.25s ease forwards;
}

body.page-transition-in {
  animation: fade-in 0.35s ease forwards;
}

@keyframes fade-out {
  from { opacity: 1; }
  to { opacity: 0; }
}

/* Card hover lift */
.balance-card,
.bot-card,
.contract-card {
  will-change: transform;
}

/* Button micro-interaction */
.btn:active {
  transform: scale(0.98);
}

/* Modal animations */
.modal-overlay {
  animation: overlay-in 0.3s ease;
}

@keyframes overlay-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-overlay .modal {
  animation: modal-in 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes modal-in {
  from {
    opacity: 0;
    transform: scale(0.9) translateY(-20px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* Notification toast */
.notification {
  animation: notification-in 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

.notification.hiding {
  animation: notification-out 0.25s ease forwards;
}

@keyframes notification-out {
  to {
    opacity: 0;
    transform: translateX(100%);
  }
}

/* Loader */
.loader-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 8, 8, 0.85);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  animation: fade-in 0.2s ease;
}

.loader-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--border-subtle);
  border-top-color: var(--accent-pink);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}

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

.loader-text {
  margin-top: 1rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Shimmer for loading state */
.shimmer {
  background: linear-gradient(
    90deg,
    rgba(255,255,255,0) 0%,
    rgba(255,255,255,0.06) 50%,
    rgba(255,255,255,0) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

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