/* ============================================
   TaskFlow Animations
   ============================================ */

/* ---- Keyframes ---- */
@keyframes spin {
  to { transform: rotate(360deg); }
}
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes slideInRight {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-30px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-100%); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.8); }
  to { opacity: 1; transform: scale(1); }
}
@keyframes springIn {
  0% { opacity: 0; transform: scale(0.3); }
  50% { opacity: 1; transform: scale(1.05); }
  70% { transform: scale(0.95); }
  100% { transform: scale(1); }
}
@keyframes toastIn {
  from { opacity: 0; transform: translateX(100%); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes toastOut {
  from { opacity: 1; transform: translateX(0); }
  to { opacity: 0; transform: translateX(100%); }
}
@keyframes toastProgress {
  from { width: 100%; }
  to { width: 0%; }
}
@keyframes dropdownIn {
  from { opacity: 0; transform: translateY(-8px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}
@keyframes pulseRing {
  0% { transform: scale(1); opacity: 0.5; }
  100% { transform: scale(1.8); opacity: 0; }
}
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
@keyframes wiggle {
  0%, 100% { transform: rotate(0deg); }
  25% { transform: rotate(-5deg); }
  75% { transform: rotate(5deg); }
}
@keyframes checkDraw {
  from { stroke-dashoffset: 60; }
  to { stroke-dashoffset: 0; }
}
@keyframes confettiFall {
  0% { transform: translateY(0) rotate(0deg); opacity: 1; }
  100% { transform: translateY(600px) rotate(720deg); opacity: 0; }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}
@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
@keyframes ripple {
  to { transform: scale(4); opacity: 0; }
}
@keyframes countUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes slideOut {
  from { opacity: 1; transform: translateX(0); }
  to { opacity: 0; transform: translateX(-100%); }
}
@keyframes typewriter {
  from { width: 0; }
  to { width: 100%; }
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}
@keyframes glow {
  0%, 100% { box-shadow: 0 0 5px var(--accent-glow); }
  50% { box-shadow: 0 0 20px var(--accent-glow), 0 0 40px var(--accent-glow); }
}
@keyframes rotateIn {
  from { opacity: 0; transform: rotate(-90deg) scale(0); }
  to { opacity: 1; transform: rotate(0) scale(1); }
}
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-4px); }
  20%, 40%, 60%, 80% { transform: translateX(4px); }
}
@keyframes morphBg {
  0%, 100% { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; }
  50% { border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%; }
}

/* ---- Animation Utility Classes ---- */
.animate-fade-in { animation: fadeIn 0.3s ease-out; }
.animate-slide-in { animation: fadeSlideIn 0.4s ease-out; }
.animate-slide-up { animation: fadeSlideUp 0.3s ease-out; }
.animate-scale-in { animation: scaleIn 0.3s ease-out; }
.animate-spring-in { animation: springIn 0.5s ease-out; }
.animate-pulse { animation: pulse 2s infinite; }
.animate-bounce { animation: bounce 1s infinite; }
.animate-float { animation: float 3s ease-in-out infinite; }
.animate-glow { animation: glow 2s ease-in-out infinite; }
.animate-shake { animation: shake 0.5s ease-out; }

/* ---- Staggered Children ---- */
.stagger-children > * {
  opacity: 0;
  animation: fadeSlideUp 0.4s ease-out 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(n+9) { animation-delay: 0.45s; }

/* ---- Ripple Effect ---- */
.ripple {
  position: relative;
  overflow: hidden;
}
.ripple-wave {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: scale(0);
  animation: ripple 0.6s linear;
  pointer-events: none;
}

/* ---- Page Transitions ---- */
.page-enter { animation: fadeSlideIn 0.4s ease-out; }
.page-exit { animation: slideOut 0.3s ease-in forwards; }

/* ---- Hover Micro-Interactions ---- */
.hover-lift {
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.hover-glow:hover { box-shadow: var(--shadow-glow); }
.hover-scale {
  transition: transform var(--transition-fast);
}
.hover-scale:hover { transform: scale(1.05); }

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