/**
 * Micro-Interactions and Animations
 * Delightful UI feedback for user actions
 * Version: 2026.1.7
 */

/* ===== BUTTON INTERACTIONS ===== */
.btn-interactive {
  position: relative;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-interactive::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn-interactive:active::before {
  width: 300px;
  height: 300px;
}

/* Success pulse animation */
@keyframes successPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.btn-success-pulse {
  animation: successPulse 0.6s cubic-bezier(0.36, 0.07, 0.19, 0.97);
}

/* Button press effect */
.btn-press:active {
  transform: scale(0.95);
  transition: transform 0.1s;
}

/* ===== CARD HOVER EFFECTS ===== */
.card-lift {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-lift:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.card-tilt {
  transform-style: preserve-3d;
  transition: transform 0.4s;
}

.card-tilt:hover {
  transform: perspective(1000px) rotateY(2deg) rotateX(2deg);
}

/* ===== INPUT INTERACTIONS ===== */
.input-focus-glow {
  transition: all 0.3s ease;
}

.input-focus-glow:focus {
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.2),
              0 4px 20px rgba(59, 130, 246, 0.15);
  transform: translateY(-2px);
}

/* Input shake on error */
@keyframes inputShake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-10px); }
  75% { transform: translateX(10px); }
}

.input-error-shake {
  animation: inputShake 0.4s cubic-bezier(0.36, 0.07, 0.19, 0.97);
}

/* ===== NOTIFICATION ANIMATIONS ===== */
@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

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

.toast-enter {
  animation: slideInRight 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.toast-exit {
  animation: slideOutRight 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Toast bounce on success */
@keyframes toastBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.toast-success {
  animation: slideInRight 0.3s cubic-bezier(0.4, 0, 0.2, 1),
             toastBounce 0.5s ease 0.3s;
}

/* ===== LOADING STATES ===== */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

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

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

.spin {
  animation: spin 1s linear infinite;
}

@keyframes ping {
  75%, 100% {
    transform: scale(2);
    opacity: 0;
  }
}

.ping {
  animation: ping 1s cubic-bezier(0, 0, 0.2, 1) infinite;
}

/* ===== MODAL ANIMATIONS ===== */
@keyframes modalFadeIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes modalFadeOut {
  from {
    opacity: 1;
    transform: scale(1);
  }
  to {
    opacity: 0;
    transform: scale(0.95);
  }
}

.modal-enter {
  animation: modalFadeIn 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-exit {
  animation: modalFadeOut 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Modal backdrop */
@keyframes backdropFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-backdrop-enter {
  animation: backdropFadeIn 0.2s ease;
}

/* ===== DROPDOWN ANIMATIONS ===== */
@keyframes dropdownSlide {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.dropdown-enter {
  animation: dropdownSlide 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== BADGE & COUNT ANIMATIONS ===== */
@keyframes badgePop {
  0% {
    transform: scale(0);
  }
  50% {
    transform: scale(1.2);
  }
  100% {
    transform: scale(1);
  }
}

.badge-pop {
  animation: badgePop 0.3s cubic-bezier(0.36, 0.07, 0.19, 0.97);
}

/* Number count up animation */
@keyframes countUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.count-up {
  animation: countUp 0.5s ease-out;
}

/* ===== PROGRESS INDICATORS ===== */
@keyframes progressFill {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

.progress-bar-fill {
  transform-origin: left;
  animation: progressFill 1s ease-out;
}

/* Indeterminate progress */
@keyframes progressIndeterminate {
  0% { transform: translateX(-100%) scaleX(0.3); }
  50% { transform: translateX(50%) scaleX(0.5); }
  100% { transform: translateX(200%) scaleX(0.3); }
}

.progress-indeterminate {
  animation: progressIndeterminate 1.5s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

/* ===== CHECKBOX & TOGGLE ANIMATIONS ===== */
@keyframes checkmarkDraw {
  0% {
    stroke-dashoffset: 50;
  }
  100% {
    stroke-dashoffset: 0;
  }
}

.checkbox-checkmark {
  stroke-dasharray: 50;
  stroke-dashoffset: 50;
  animation: checkmarkDraw 0.3s ease forwards;
}

/* Toggle switch animation */
.toggle-switch {
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.toggle-switch.checked {
  transform: translateX(20px);
}

/* ===== ICON ANIMATIONS ===== */
@keyframes heartBeat {
  0%, 100% { transform: scale(1); }
  25% { transform: scale(1.3); }
  50% { transform: scale(1.1); }
  75% { transform: scale(1.2); }
}

.icon-heart-beat {
  animation: heartBeat 0.8s ease;
}

@keyframes iconBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.icon-bounce {
  animation: iconBounce 0.6s ease;
}

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

.icon-rotate {
  animation: iconRotate 0.5s ease;
}

/* ===== RIPPLE EFFECT ===== */
@keyframes ripple {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.6);
  width: 20px;
  height: 20px;
  pointer-events: none;
  animation: ripple 0.6s ease-out;
}

/* ===== SCROLL REVEAL ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.scroll-reveal {
  opacity: 0;
}

.scroll-reveal.revealed {
  animation: fadeInUp 0.6s ease-out forwards;
}

/* Stagger scroll reveals */
.scroll-reveal-stagger:nth-child(1) { animation-delay: 0.1s; }
.scroll-reveal-stagger:nth-child(2) { animation-delay: 0.2s; }
.scroll-reveal-stagger:nth-child(3) { animation-delay: 0.3s; }
.scroll-reveal-stagger:nth-child(4) { animation-delay: 0.4s; }
.scroll-reveal-stagger:nth-child(5) { animation-delay: 0.5s; }

/* ===== HOVER GLOW ===== */
.hover-glow {
  position: relative;
  transition: all 0.3s ease;
}

.hover-glow::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: linear-gradient(45deg, #3b82f6, #8b5cf6, #ec4899);
  opacity: 0;
  z-index: -1;
  filter: blur(10px);
  transition: opacity 0.3s ease;
}

.hover-glow:hover::after {
  opacity: 0.7;
}

/* ===== NUMBER TICKER ===== */
@keyframes tickerSlide {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

.number-ticker {
  animation: tickerSlide 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== SHIMMER EFFECT ===== */
@keyframes shimmer {
  0% { background-position: -1000px 0; }
  100% { background-position: 1000px 0; }
}

.shimmer {
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.3) 50%,
    rgba(255, 255, 255, 0) 100%
  );
  background-size: 1000px 100%;
  animation: shimmer 2s infinite;
}

/* ===== CONFETTI EFFECT ===== */
@keyframes confetti {
  0% {
    transform: translateY(0) rotateZ(0deg);
    opacity: 1;
  }
  100% {
    transform: translateY(1000px) rotateZ(720deg);
    opacity: 0;
  }
}

.confetti-piece {
  position: absolute;
  width: 10px;
  height: 10px;
  opacity: 0;
  animation: confetti 3s ease-out forwards;
}

/* ===== DARK MODE TRANSITIONS ===== */
[data-theme="dark"] .btn-interactive::before {
  background: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .hover-glow::after {
  background: linear-gradient(45deg, #1e40af, #6d28d9, #be185d);
}

/* ===== REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .scroll-reveal {
    opacity: 1;
    animation: none;
  }
}

/* ===== UTILITY CLASSES ===== */
.transition-all {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.transition-fast {
  transition-duration: 0.15s;
}

.transition-slow {
  transition-duration: 0.5s;
}

.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }
.delay-500 { transition-delay: 0.5s; }