/* Animation Library for IVS Learning Hub */

/* Fade animations */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

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

.fade-in {
  animation: fadeIn 0.3s ease-in;
}

.fade-out {
  animation: fadeOut 0.3s ease-out;
}

/* Slide animations */
@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

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

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

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

.slide-in-up { animation: slideInUp 0.4s ease-out; }
.slide-in-down { animation: slideInDown 0.4s ease-out; }
.slide-in-left { animation: slideInLeft 0.4s ease-out; }
.slide-in-right { animation: slideInRight 0.4s ease-out; }
.slide-out-up { animation: slideOutUp 0.4s ease-in; }
.slide-out-down { animation: slideOutDown 0.4s ease-in; }
.slide-out-left { animation: slideOutLeft 0.4s ease-in; }
.slide-out-right { animation: slideOutRight 0.4s ease-in; }

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

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

.scale-in { animation: scaleIn 0.3s ease-out; }
.scale-out { animation: scaleOut 0.3s ease-in; }

/* Bounce animations */
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

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

.bounce { animation: bounce 1s infinite; }
.bounce-in { animation: bounceIn 0.6s ease-out; }

/* Rotate animations */
@keyframes rotateIn {
  from {
    opacity: 0;
    transform: rotate(-10deg);
  }
  to {
    opacity: 1;
    transform: rotate(0);
  }
}

@keyframes rotateOut {
  from {
    opacity: 1;
    transform: rotate(0);
  }
  to {
    opacity: 0;
    transform: rotate(10deg);
  }
}

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

.rotate-in { animation: rotateIn 0.4s ease-out; }
.rotate-out { animation: rotateOut 0.4s ease-in; }
.spin { animation: spin 1s linear infinite; }

/* Pulse animations */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes pulse-scale {
  0%, 100% { 
    opacity: 1;
    transform: scale(1);
  }
  50% { 
    opacity: 0.8;
    transform: scale(1.05);
  }
}

.pulse { animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite; }
.pulse-scale { animation: pulse-scale 2s cubic-bezier(0.4, 0, 0.6, 1) infinite; }

/* Shake animations */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

@keyframes shake-horizontal {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
  20%, 40%, 60%, 80% { transform: translateX(5px); }
}

.shake { animation: shake 0.5s ease-in-out; }
.shake-horizontal { animation: shake-horizontal 0.5s ease-in-out; }

/* Glow animations */
@keyframes glow {
  0%, 100% { 
    box-shadow: 0 0 5px rgba(59, 130, 246, 0.5);
  }
  50% { 
    box-shadow: 0 0 20px rgba(59, 130, 246, 1);
  }
}

.glow { animation: glow 2s ease-in-out infinite; }

/* Flip animations */
@keyframes flipInX {
  from {
    opacity: 0;
    transform: perspective(400px) rotateX(90deg);
  }
  to {
    opacity: 1;
    transform: perspective(400px) rotateX(0deg);
  }
}

@keyframes flipInY {
  from {
    opacity: 0;
    transform: perspective(400px) rotateY(90deg);
  }
  to {
    opacity: 1;
    transform: perspective(400px) rotateY(0deg);
  }
}

.flip-in-x { animation: flipInX 0.6s ease-out; }
.flip-in-y { animation: flipInY 0.6s ease-out; }

/* Gradient animations */
@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.gradient-shift {
  background-size: 200% 200%;
  animation: gradientShift 3s ease infinite;
}

/* Transition utilities */
.transition-all {
  transition: all 0.3s ease;
}

.transition-colors {
  transition: color 0.3s ease, background-color 0.3s ease, border-color 0.3s ease;
}

.transition-transform {
  transition: transform 0.3s ease;
}

.transition-opacity {
  transition: opacity 0.3s ease;
}

/* Delay utilities */
.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-500 { animation-delay: 0.5s; }

/* Duration utilities */
.duration-100 { animation-duration: 0.1s; }
.duration-300 { animation-duration: 0.3s; }
.duration-500 { animation-duration: 0.5s; }
.duration-1000 { animation-duration: 1s; }

/* Hover effects */
.hover-lift:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.hover-glow:hover {
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.5);
}

.hover-scale:hover {
  transform: scale(1.05);
}

.hover-rotate:hover {
  transform: rotate(2deg);
}

/* Focus effects */
.focus-ring:focus {
  outline: 2px solid #3b82f6;
  outline-offset: 2px;
}

/* Active states */
.active-scale:active {
  transform: scale(0.95);
}