/* ===== ANIMATIONS ===== */

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

.animate-fade-in {
  animation: fadeIn var(--duration-normal) var(--ease-out);
}

/* --- Fade In Up --- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in-up {
  animation: fadeInUp var(--duration-normal) var(--ease-out);
}

/* --- Fade In Down --- */
@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in-down {
  animation: fadeInDown var(--duration-normal) var(--ease-out);
}

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

.animate-scale-in {
  animation: scaleIn var(--duration-normal) var(--ease-bounce);
}

/* --- Slide In Right --- */
@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.animate-slide-in-right {
  animation: slideInRight var(--duration-normal) var(--ease-out);
}

/* --- Slide In Left --- */
@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.animate-slide-in-left {
  animation: slideInLeft var(--duration-normal) var(--ease-out);
}

/* --- Bounce --- */
@keyframes bounce {
  0%, 20%, 53%, 100% {
    animation-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1);
    transform: translateY(0);
  }
  40%, 43% {
    animation-timing-function: cubic-bezier(0.755, 0.05, 0.855, 0.06);
    transform: translateY(-15px);
  }
  70% {
    animation-timing-function: cubic-bezier(0.755, 0.05, 0.855, 0.06);
    transform: translateY(-7px);
  }
  80% {
    transform: translateY(0);
  }
  90% {
    transform: translateY(-3px);
  }
}

.animate-bounce {
  animation: bounce 1s;
}

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

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

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

.animate-shake {
  animation: shake 0.6s var(--ease-in-out);
}

/* --- Check Animation (pour les checkboxes) --- */
@keyframes checkmark {
  0% {
    stroke-dashoffset: 30;
  }
  100% {
    stroke-dashoffset: 0;
  }
}

.animate-checkmark {
  stroke-dasharray: 30;
  animation: checkmark var(--duration-normal) var(--ease-out) forwards;
}

/* --- Success Circle (pour validation de tâche) --- */
@keyframes successCircle {
  0% {
    transform: scale(0);
    opacity: 0;
  }
  50% {
    transform: scale(1.2);
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

.animate-success-circle {
  animation: successCircle var(--duration-slow) var(--ease-bounce);
}

/* --- Confetti (pour célébration) --- */
@keyframes confetti-fall {
  0% {
    transform: translateY(-100%) rotate(0deg);
    opacity: 1;
  }
  100% {
    transform: translateY(100vh) rotate(720deg);
    opacity: 0;
  }
}

.confetti {
  position: fixed;
  width: 10px;
  height: 10px;
  top: -10px;
  animation: confetti-fall 3s linear forwards;
  z-index: var(--z-toast);
}

/* --- Skeleton Loading --- */
@keyframes skeleton {
  0% {
    background-position: -200px 0;
  }
  100% {
    background-position: calc(200px + 100%) 0;
  }
}

.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-gray-100) 0px,
    var(--color-gray-200) 40px,
    var(--color-gray-100) 80px
  );
  background-size: 200px 100%;
  animation: skeleton 1.5s ease-in-out infinite;
  border-radius: var(--radius-md);
}

.skeleton--text {
  height: 16px;
  margin-bottom: var(--spacing-2);
}

.skeleton--title {
  height: 24px;
  width: 60%;
  margin-bottom: var(--spacing-3);
}

.skeleton--avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
}

.skeleton--card {
  height: 120px;
  margin-bottom: var(--spacing-4);
}

/* --- Toast Slide --- */
@keyframes toastSlideIn {
  from {
    transform: translateY(-100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes toastSlideOut {
  from {
    transform: translateY(0);
    opacity: 1;
  }
  to {
    transform: translateY(-100%);
    opacity: 0;
  }
}

.toast-enter {
  animation: toastSlideIn var(--duration-normal) var(--ease-out);
}

.toast-exit {
  animation: toastSlideOut var(--duration-normal) var(--ease-in);
}

/* --- Staggered Children Animation --- */
.stagger-children > * {
  opacity: 0;
  animation: fadeInUp var(--duration-normal) var(--ease-out) forwards;
}

.stagger-children > *:nth-child(1) { animation-delay: 0ms; }
.stagger-children > *:nth-child(2) { animation-delay: 50ms; }
.stagger-children > *:nth-child(3) { animation-delay: 100ms; }
.stagger-children > *:nth-child(4) { animation-delay: 150ms; }
.stagger-children > *:nth-child(5) { animation-delay: 200ms; }
.stagger-children > *:nth-child(6) { animation-delay: 250ms; }

/* --- Hover Effects --- */
.hover-lift {
  transition: transform var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
}

.hover-lift:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.hover-scale {
  transition: transform var(--duration-fast) var(--ease-out);
}

.hover-scale:hover {
  transform: scale(1.02);
}

/* --- Page Transitions --- */
.page-enter {
  opacity: 0;
  transform: translateX(20px);
}

.page-enter-active {
  opacity: 1;
  transform: translateX(0);
  transition: opacity var(--duration-normal) var(--ease-out),
              transform var(--duration-normal) var(--ease-out);
}

.page-exit {
  opacity: 1;
  transform: translateX(0);
}

.page-exit-active {
  opacity: 0;
  transform: translateX(-20px);
  transition: opacity var(--duration-normal) var(--ease-in),
              transform var(--duration-normal) var(--ease-in);
}