/**
 * ============================================================
 * OMSP Document Tracking / Monitoring
 * Animations CSS - Keyframes, transitions, hover effects
 * ============================================================
 * All animation definitions used across the application.
 * ============================================================
 */

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

/* Spinner rotation */
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Toast notifications */
@keyframes toastSlideIn {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}
@keyframes toastSlideOut {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(100%);
  }
}

/* Modal entrance */
@keyframes modalFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes modalScaleIn {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* Fade in general */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Slide in from left (sidebar) */
@keyframes slideInLeft {
  from { transform: translateX(-100%); }
  to { transform: translateX(0); }
}

/* Pulse / breathing (for attention badges) */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* Shake (for error emphasis) */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-4px); }
  20%, 40%, 60%, 80% { transform: translateX(4px); }
}

/* Progress bar loading */
@keyframes progressIndeterminate {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(300%); }
}

/* Bounce */
@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
    animation-timing-function: cubic-bezier(0.8, 0, 1, 1);
  }
  50% {
    transform: translateY(-8px);
    animation-timing-function: cubic-bezier(0, 0, 0.2, 1);
  }
}

/* Skeleton loading shimmer */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}


/* ============================================================
   ANIMATION UTILITY CLASSES
   ============================================================ */
.fade-in,
.animate-fade-in {
  animation: fadeIn var(--transition-base) ease-out;
}

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

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

.animate-pulse {
  animation: pulse 2s ease-in-out infinite;
}

.animate-shake {
  animation: shake 0.5s ease-in-out;
}

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

.animate-spin {
  animation: spin 1s linear infinite;
}

/* Stagger animation delay (for lists) */
.stagger-1 { animation-delay: 0.05s; }
.stagger-2 { animation-delay: 0.1s; }
.stagger-3 { animation-delay: 0.15s; }
.stagger-4 { animation-delay: 0.2s; }
.stagger-5 { animation-delay: 0.25s; }
.stagger-6 { animation-delay: 0.3s; }


/* ============================================================
   SKELETON LOADING
   ============================================================ */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--neutral-200) 25%,
    var(--neutral-100) 50%,
    var(--neutral-200) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius);
}

.skeleton-text {
  height: 14px;
  margin-bottom: var(--space-2);
}
.skeleton-text:last-child { width: 60%; }

.skeleton-title {
  height: 22px;
  width: 50%;
  margin-bottom: var(--space-3);
}

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

.skeleton-card {
  height: 120px;
  border-radius: var(--radius-md);
}

.skeleton-btn {
  height: 40px;
  width: 120px;
  border-radius: var(--radius);
}


/* ============================================================
   TRANSITION GROUPS (for smooth appear/disappear)
   ============================================================ */
.collapse-enter {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height var(--transition-slow), opacity var(--transition-base);
}
.collapse-enter.active {
  max-height: 1000px;
  opacity: 1;
}

/* Page transition */
.page-transition-enter {
  opacity: 0;
  transform: translateY(8px);
}
.page-transition-active {
  opacity: 1;
  transform: translateY(0);
  transition: all var(--transition-slow);
}


/* ============================================================
   LANDING PAGE FLOATING ORBS
   ============================================================ */
@keyframes floatOrb1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(-80px, 60px) scale(1.1); }
  50% { transform: translate(-40px, 120px) scale(0.95); }
  75% { transform: translate(60px, 40px) scale(1.05); }
}
@keyframes floatOrb2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(100px, -60px) scale(1.08); }
  66% { transform: translate(50px, -120px) scale(0.92); }
}
@keyframes floatOrb3 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(-60px, 80px) scale(1.15); }
  50% { transform: translate(-120px, 40px) scale(0.9); }
  75% { transform: translate(-40px, -40px) scale(1.05); }
}
@keyframes floatOrb4 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(70px, -90px) scale(1.1); }
}
@keyframes floatOrb5 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(-50px, 60px) scale(1.12); }
  66% { transform: translate(40px, -50px) scale(0.88); }
}
@keyframes pulseGlow {
  0%, 100% { opacity: 0.08; }
  50% { opacity: 0.15; }
}


/* ============================================================
   REDUCED MOTION PREFERENCE
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}