/* ============================================
   MY DIAG HABITAT - ANIMATIONS & MICRO-INTERACTIONS
   ============================================ */

/* ----------- FADE IN UP (scroll reveal) ----------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

.animate-fade-in-up.delay-1 { animation-delay: 0.1s; }
.animate-fade-in-up.delay-2 { animation-delay: 0.2s; }
.animate-fade-in-up.delay-3 { animation-delay: 0.3s; }

/* ----------- PULSE (CTA) ----------- */
@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.03); }
}

.btn-primary.pulse {
  animation: pulse 2s infinite;
}

/* ----------- SHIMMER (loading skeleton) ----------- */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.skeleton {
  background: linear-gradient(90deg, 
    var(--color-bg-alt) 25%, 
    var(--color-border) 50%, 
    var(--color-bg-alt) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--border-radius-md);
}

/* ----------- SPINNER (loading) ----------- */
@keyframes spin {
  to { transform: rotate(360deg); }
}

.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--color-primary-light);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* ----------- TOAST NOTIFICATION ----------- */
@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

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

.toast {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  background: var(--color-secondary);
  color: white;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-toast);
  animation: slideIn 0.3s ease;
}

.toast.hiding {
  animation: slideOut 0.3s ease forwards;
}

.toast.success { background: var(--color-success); }
.toast.error { background: var(--color-error); }
.toast.warning { background: var(--color-warning); color: var(--color-secondary); }

/* ----------- HOVER EFFECTS ----------- */
.hover-lift {
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.hover-glow {
  transition: box-shadow var(--transition-normal);
}

.hover-glow:hover {
  box-shadow: 0 0 20px rgba(37, 99, 235, 0.3);
}

/* ----------- PROGRESS BAR ANIMATED ----------- */
@keyframes progress {
  from { width: 0; }
}

.progress-bar {
  height: 4px;
  background: var(--color-primary-light);
  border-radius: var(--border-radius-full);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: var(--color-primary);
  width: 0;
  animation: progress 1s ease forwards;
}

/* ----------- ACCORDION TRANSITIONS ----------- */
.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal), padding var(--transition-normal);
}

.accordion-item.active .accordion-content {
  max-height: 500px; /* Valeur suffisante pour le contenu */
  padding: var(--space-4) 0;
}

.accordion-icon {
  transition: transform var(--transition-fast);
}

.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
}

/* ----------- IMAGE REVEAL ----------- */
.image-reveal {
  position: relative;
  overflow: hidden;
}

.image-reveal::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s ease;
}

.image-reveal:hover::after {
  left: 100%;
}