@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-20px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes slideInRight {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.95); }
  to   { opacity: 1; transform: scale(1); }
}
@keyframes voicePulse {
  0%, 100% { transform: scale(1); opacity: 1; box-shadow: 0 0 0 0 rgba(99,102,241,0.4); }
  50%       { transform: scale(1.1); opacity: 0.8; box-shadow: 0 0 0 12px rgba(99,102,241,0); }
}
@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position:  200% 0; }
}
@keyframes bounceDot {
  0%, 80%, 100% { transform: scale(0); }
  40%           { transform: scale(1); }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

.animate-fade-up    { animation: fadeUp 0.5s ease forwards; }
.animate-slide-left { animation: slideInLeft 0.4s ease forwards; }
.animate-slide-right{ animation: slideInRight 0.4s ease forwards; }
.animate-scale-in   { animation: scaleIn 0.3s ease forwards; }
.animate-voice-pulse{ animation: voicePulse 1.5s ease-in-out infinite; }
.animate-spin-slow  { animation: spin 1s linear infinite; }

.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }