/* ============================================================
   Opus AI — Animations
   ============================================================ */

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

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

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

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

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

@keyframes scale-in {
  from { transform: scale(0.92); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

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

@keyframes pulse-badge {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

@keyframes blink-cursor {
  50% { opacity: 0; }
}

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

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes gradient-shift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes glow-pulse {
  0%, 100% { box-shadow: 0 0 20px rgba(124, 58, 237, 0.2); }
  50% { box-shadow: 0 0 40px rgba(124, 58, 237, 0.4); }
}

@keyframes particle-float {
  0% { transform: translateY(0) rotate(0deg); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateY(-100vh) rotate(720deg); opacity: 0; }
}

/* ─── Utility Classes ──────────────────── */
.animate-fade-in { animation: fade-in var(--transition-base) forwards; }
.animate-slide-up { animation: slide-up var(--transition-slow) forwards; }
.animate-scale-in { animation: scale-in var(--transition-base) forwards; }
.animate-float { animation: float 3s ease-in-out infinite; }

/* Staggered animations */
.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; }

/* Hover micro-interactions */
.hover-lift {
  transition: transform var(--transition-fast);
}
.hover-lift:hover {
  transform: translateY(-2px);
}

.hover-glow {
  transition: box-shadow var(--transition-base);
}
.hover-glow:hover {
  box-shadow: var(--shadow-glow);
}