/* ═══════════════════════════════════════════════════════════
   RIS - Rezept Index System
   Animations & Transitions
   ═══════════════════════════════════════════════════════════ */

/* Fade Animations */
.fade-in {
  animation: fadeIn var(--transition-base) ease;
}

.fade-out {
  animation: fadeOut var(--transition-base) ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}

/* Slide Animations */
.slide-in-right {
  animation: slideInRight var(--transition-base) ease;
}

.slide-out-right {
  animation: slideOutRight var(--transition-base) ease;
}

@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;
  }
}

.slide-in-up {
  animation: slideInUp var(--transition-base) ease;
}

@keyframes slideInUp {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Shimmer Loading (Skeleton) */
.shimmer {
  background: linear-gradient(
    90deg,
    var(--bg-elevated) 0%,
    var(--bg-border) 50%,
    var(--bg-elevated) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
}

@keyframes shimmer {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* Skeleton Loader */
.skeleton {
  background: var(--bg-elevated);
  border-radius: var(--radius-sm);
  position: relative;
  overflow: hidden;
}

.skeleton::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.05) 50%,
    transparent 100%
  );
  animation: shimmer 1.5s ease-in-out infinite;
}

.skeleton-text {
  height: 14px;
  margin-bottom: var(--space-sm);
}

.skeleton-title {
  height: 20px;
  width: 60%;
  margin-bottom: var(--space-md);
}

.skeleton-card {
  height: 300px;
  border-radius: var(--radius-lg);
}

/* Glow Pulse */
.glow-pulse {
  animation: glowPulse 2s ease-in-out infinite;
}

@keyframes glowPulse {
  0%, 100% {
    box-shadow: 0 0 10px var(--accent-glow);
  }
  50% {
    box-shadow: 0 0 20px var(--accent-glow), 0 0 30px var(--accent-glow);
  }
}

/* Spin (Loading) */
.spin {
  animation: spin 1s linear infinite;
}

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

/* Pulse (für Status-Dots) */
.pulse {
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

/* Bounce (für Erfolgs-Animationen) */
.bounce {
  animation: bounce 0.6s ease;
}

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

/* Scale In */
.scale-in {
  animation: scaleIn var(--transition-base) ease;
}

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

/* Processing Animation (für Upload-Status) */
.processing {
  position: relative;
  overflow: hidden;
}

.processing::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--accent-glow) 50%,
    transparent 100%
  );
  animation: processing 1.5s ease-in-out infinite;
}

@keyframes processing {
  0% {
    left: -100%;
  }
  100% {
    left: 100%;
  }
}

/* Stagger Animation (für Listen) */
.stagger-item {
  animation: fadeInUp 0.4s ease backwards;
}

.stagger-item:nth-child(1) { animation-delay: 0.05s; }
.stagger-item:nth-child(2) { animation-delay: 0.1s; }
.stagger-item:nth-child(3) { animation-delay: 0.15s; }
.stagger-item:nth-child(4) { animation-delay: 0.2s; }
.stagger-item:nth-child(5) { animation-delay: 0.25s; }
.stagger-item:nth-child(6) { animation-delay: 0.3s; }

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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