/* ==========================================================================
   ANIMATION & TRANSITION SYSTEM
   ========================================================================== */

/* Fade Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: scale(0.96);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

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

.animate-fade-in {
  animation: fadeIn 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Horizontal Slide Wizard Transitions */
.form-step {
  transition: transform 0.45s cubic-bezier(0.25, 1, 0.5, 1), opacity 0.4s ease;
  position: relative;
  width: 100%;
}

.form-step.slide-in-right {
  animation: slideInRight 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.form-step.slide-out-left {
  animation: slideOutLeft 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none;
}

.form-step.slide-in-left {
  animation: slideInLeft 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.form-step.slide-out-right {
  animation: slideOutRight 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none;
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideOutLeft {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(-40px);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideOutRight {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(40px);
  }
}

/* Toast Slide Up */
@keyframes slideUpToast {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.animate-slide-up {
  animation: slideUpToast 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

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

/* Shake on Validation Error */
@keyframes shakeError {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-6px); }
  40%, 80% { transform: translateX(6px); }
}

.shake-error {
  animation: shakeError 0.4s ease-in-out;
}

/* Success Modal Animated Checkmark */
@keyframes checkmarkDraw {
  0% {
    stroke-dashoffset: 100;
  }
  100% {
    stroke-dashoffset: 0;
  }
}

@keyframes checkmarkCircle {
  0% {
    transform: scale(0);
    opacity: 0;
  }
  50% {
    transform: scale(1.15);
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

.success-circle {
  animation: checkmarkCircle 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

.success-check-path {
  stroke-dasharray: 100;
  stroke-dashoffset: 100;
  animation: checkmarkDraw 0.6s 0.3s ease-in-out forwards;
}

/* Loading Spinner */
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2.5px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: #ffffff;
  animation: spin 0.8s linear infinite;
  margin-right: 8px;
  vertical-align: middle;
}