/* All @keyframes definitions */

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

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

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

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

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

@keyframes slideDown {
  from { transform: translateY(-100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@keyframes slideUp {
  from { transform: translateY(100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@keyframes scaleIn {
  from { transform: scale(0.8); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

@keyframes glow {
  0%, 100% { box-shadow: 0 0 5px rgba(67, 97, 238, 0.3); }
  50% { box-shadow: 0 0 20px rgba(67, 97, 238, 0.6); }
}

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

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

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

@keyframes packetMove {
  0% { transform: translateY(0); }
  100% { transform: translateY(var(--packet-distance, 100px)); }
}

@keyframes packetMoveHorizontal {
  0% { transform: translateX(0); }
  100% { transform: translateX(var(--packet-distance-h, 200px)); }
}

@keyframes headerAttach {
  from { transform: scaleX(0); opacity: 0; }
  to { transform: scaleX(1); opacity: 1; }
}

@keyframes headerDetach {
  from { transform: scaleX(1); opacity: 1; }
  to { transform: scaleX(0); opacity: 0; }
}

@keyframes waveform {
  0% { d: path("M0,25 Q12.5,5 25,25 T50,25 T75,25 T100,25"); }
  25% { d: path("M0,25 Q12.5,45 25,25 T50,25 T75,25 T100,25"); }
  50% { d: path("M0,25 Q12.5,5 25,25 T50,25 T75,25 T100,25"); }
  75% { d: path("M0,25 Q12.5,45 25,25 T50,25 T75,25 T100,25"); }
  100% { d: path("M0,25 Q12.5,5 25,25 T50,25 T75,25 T100,25"); }
}

@keyframes ripple {
  0% { transform: scale(0); opacity: 1; }
  100% { transform: scale(4); opacity: 0; }
}

@keyframes highlightFlash {
  0%, 100% { background-color: transparent; }
  50% { background-color: var(--accent-light); }
}

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

@keyframes signalWave {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Utility animation classes */
.animate-fade-in { animation: fadeIn var(--transition-base) ease forwards; }
.animate-fade-in-up { animation: fadeInUp var(--transition-base) ease forwards; }
.animate-fade-in-down { animation: fadeInDown var(--transition-base) ease forwards; }
.animate-scale-in { animation: scaleIn var(--transition-base) ease forwards; }
.animate-pulse { animation: pulse 2s ease-in-out infinite; }
.animate-glow { animation: glow 2s ease-in-out infinite; }
.animate-bounce { animation: bounce 1s ease infinite; }
.animate-spin { animation: spin 1s linear infinite; }

/* Stagger children */
.stagger-children > * {
  opacity: 0;
  animation: staggerIn 0.3s ease forwards;
}

.stagger-children > *:nth-child(1) { animation-delay: 0.05s; }
.stagger-children > *:nth-child(2) { animation-delay: 0.1s; }
.stagger-children > *:nth-child(3) { animation-delay: 0.15s; }
.stagger-children > *:nth-child(4) { animation-delay: 0.2s; }
.stagger-children > *:nth-child(5) { animation-delay: 0.25s; }
.stagger-children > *:nth-child(6) { animation-delay: 0.3s; }
.stagger-children > *:nth-child(7) { animation-delay: 0.35s; }
.stagger-children > *:nth-child(8) { animation-delay: 0.4s; }
.stagger-children > *:nth-child(9) { animation-delay: 0.45s; }
.stagger-children > *:nth-child(10) { animation-delay: 0.5s; }

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