/* ============================================================
   FocusFlow Animations
   Keyframes, utility classes, stagger system, a11y
   ============================================================ */

/* ── Keyframe Definitions ── */

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

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

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes pulseGlow {
  0%, 100% {
    box-shadow: 0 0 20px var(--accent-glow);
  }
  50% {
    box-shadow: 0 0 40px var(--accent-glow), 0 0 80px rgba(99, 102, 241, 0.1);
  }
}

@keyframes breathe {
  0%, 100% {
    transform: scale(1);
    opacity: 0.35;
  }
  50% {
    transform: scale(1.04);
    opacity: 0.55;
  }
}

@keyframes ringProgress {
  from {
    stroke-dashoffset: var(--ring-circumference);
  }
  to {
    stroke-dashoffset: var(--ring-target);
  }
}

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

@keyframes checkmark {
  0% {
    transform: scale(0);
  }
  50% {
    transform: scale(1.2);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes confettiFall {
  0% {
    transform: translateY(-100vh) rotate(0deg);
    opacity: 1;
  }
  100% {
    transform: translateY(100vh) rotate(720deg);
    opacity: 0;
  }
}

@keyframes gradientShift {
  0%, 100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
  }
  33% {
    transform: translateY(-15px) rotate(1deg);
  }
  66% {
    transform: translateY(5px) rotate(-1deg);
  }
}

/* ── Animation Utility Classes ── */

.animate-fade-in-up {
  animation: fadeInUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.animate-scale-in {
  animation: scaleIn 0.4s ease both;
}

.animate-slide-in-up {
  animation: slideInUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.animate-pulse-glow {
  animation: pulseGlow 3s ease-in-out infinite;
}

.animate-breathe {
  animation: breathe 10s ease-in-out infinite;
}

.animate-float {
  animation: float 6s ease-in-out infinite;
}

.spatial-float-1 {
  animation: float 8s ease-in-out infinite;
}

.spatial-float-2 {
  animation: float 10s ease-in-out infinite;
  animation-delay: -2s;
}

.spatial-float-3 {
  animation: float 9s ease-in-out infinite;
  animation-delay: -4s;
}

.spatial-float-4 {
  animation: float 11s ease-in-out infinite;
  animation-delay: -6s;
}

/* ── Stagger Delays ── */

.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;
}

/* ── Reduced Motion ── */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    animation-delay: 0s !important;
    transition-duration: 0s !important;
    scroll-behavior: auto !important;
  }

  .animate-fade-in-up,
  .animate-scale-in,
  .animate-slide-in-up,
  .animate-pulse-glow,
  .animate-breathe,
  .animate-float {
    animation: none !important;
    opacity: 1;
    transform: none;
  }
}