/* ═══════════════════════════════════════════════════════════════
   ANIMATIONS AVANCÉES — ResteIci
═══════════════════════════════════════════════════════════════ */

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideInLeft { from { opacity: 0; transform: translateX(-40px); } to { opacity: 1; transform: translateX(0); } }
@keyframes slideInRight { from { opacity: 0; transform: translateX(40px); } to { opacity: 1; transform: translateX(0); } }
@keyframes scaleIn { from { opacity: 0; transform: scale(0.95); } to { opacity: 1; transform: scale(1); } }
@keyframes bounce { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.6; } }
@keyframes float { 0%, 100% { transform: translateY(-4px); } 50% { transform: translateY(4px); } }
@keyframes glow { 0%, 100% { box-shadow: 0 0 20px rgba(245,169,107,0.2); } 50% { box-shadow: 0 0 40px rgba(245,169,107,0.4); } }
@keyframes shimmer { 0% { background-position: -1000px 0; } 100% { background-position: 1000px 0; } }

/* Fade-in cascade */
.fade-in { animation: fadeInUp 0.5s ease-out; }
.fade-in:nth-child(1) { animation-delay: 0s; }
.fade-in:nth-child(2) { animation-delay: 0.04s; }
.fade-in:nth-child(3) { animation-delay: 0.08s; }
.fade-in:nth-child(4) { animation-delay: 0.12s; }
.fade-in:nth-child(5) { animation-delay: 0.16s; }

/* Micro-interactions */
.btn, .action-btn, .filter-chip, .icon-btn {
  transition: all 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.btn:active { transform: scale(0.96); }
.action-btn:active { transform: scale(0.92); }
.reaction-btn:active { transform: scale(0.88); }

/* Post card entrance */
.post-card {
  animation: fadeInUp 0.5s ease-out;
}

/* Badge animations */
.badge-mod {
  animation: pulse 2s infinite;
}

/* Loader */
.spinner {
  width: 40px; height: 40px;
  border: 3px solid rgba(245,169,107,0.2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Toast animations */
.toast { animation: slideInRight 0.3s ease-out; }
.toast.hide { animation: slideInRight 0.3s ease-out reverse; }

/* Hero pill */
.hero-pill {
  animation: fadeInUp 0.5s ease-out;
}

/* Scale animation on hover */
.post-avatar:hover, .user-avatar-btn:hover {
  animation: scaleIn 0.2s ease-out;
}

/* Smooth reactions */
.reaction-btn {
  transition: all 0.15s ease-out;
}

/* Modal entrance */
.modal {
  animation: scaleIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Sidebar animations */
.sidebar {
  animation: slideInLeft 0.3s ease-out;
}

/* Hover effects */
.stat-box:hover {
  animation: float 0.6s ease-in-out infinite;
}

/* Text appears effect */
.text-appear {
  animation: fadeIn 0.4s ease-out;
}

/* Additional animations */
.glow {
  animation: glow 2s ease-in-out infinite;
}

.shimmer {
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  background-size: 1000px 100%;
  animation: shimmer 2s infinite;
}

.bounce {
  animation: bounce 1s infinite;
}

.float {
  animation: float 3s ease-in-out infinite;
}

.pulse {
  animation: pulse 2s infinite;
}

/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE ANIMATIONS
═══════════════════════════════════════════════════════════════ */

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