/* ============================================
   BAGECHA BY ADI'S — Animation System
   Performance: Only transform + opacity for 60fps
   ============================================ */

/* ─── Splash Logo: Scale 0.9→1 + Fade ─── */
@keyframes fadeScaleIn {
  0% {
    opacity: 0;
    transform: scale(0.9);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

/* ─── Tagline Fade In ─── */
@keyframes fadeInUp {
  0% {
    opacity: 0;
    transform: translateY(12px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ─── Splash → Welcome: Cross-fade + Slide Up ─── */
@keyframes slideUpFadeIn {
  0% {
    opacity: 0;
    transform: translateY(16px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideUpFadeOut {
  0% {
    opacity: 1;
    transform: translateY(0);
  }
  100% {
    opacity: 0;
    transform: translateY(-16px);
  }
}

/* ─── Screen-to-Screen: Slide Right ─── */
@keyframes slideInRight {
  0% {
    opacity: 0.8;
    transform: translateX(100%);
  }
  100% {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideOutLeft {
  0% {
    opacity: 1;
    transform: translateX(0);
  }
  100% {
    opacity: 0.5;
    transform: translateX(-30%);
  }
}

@keyframes slideInLeft {
  0% {
    opacity: 0.8;
    transform: translateX(-100%);
  }
  100% {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideOutRight {
  0% {
    opacity: 1;
    transform: translateX(0);
  }
  100% {
    opacity: 0.5;
    transform: translateX(30%);
  }
}

/* ─── Button Press ─── */
@keyframes buttonPress {
  0% { transform: scale(1); }
  50% { transform: scale(0.97); }
  100% { transform: scale(1); }
}

/* ─── OTP Shake ─── */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-4px); }
  40% { transform: translateX(4px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(4px); }
}

/* ─── Modal Scale In (with overshoot) ─── */
@keyframes modalScaleIn {
  0% {
    opacity: 0;
    transform: scale(0.85);
  }
  70% {
    opacity: 1;
    transform: scale(1.02);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes modalScaleOut {
  0% {
    opacity: 1;
    transform: scale(1);
  }
  100% {
    opacity: 0;
    transform: scale(0.85);
  }
}

/* ─── Backdrop Fade ─── */
@keyframes backdropFadeIn {
  0% {
    opacity: 0;
    backdrop-filter: blur(0);
    -webkit-backdrop-filter: blur(0);
  }
  100% {
    opacity: 1;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }
}

@keyframes backdropFadeOut {
  0% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}

/* ─── Progress Dot Pulse ─── */
@keyframes dotPulse {
  0% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(201, 162, 39, 0.4);
  }
  50% {
    transform: scale(1.3);
    box-shadow: 0 0 0 6px rgba(201, 162, 39, 0);
  }
  100% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(201, 162, 39, 0);
  }
}

/* ─── Shimmer (Skeleton) ─── */
@keyframes shimmer {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

/* ─── Wave Emoji ─── */
@keyframes wave {
  0% { transform: rotate(0deg); }
  15% { transform: rotate(14deg); }
  30% { transform: rotate(-8deg); }
  45% { transform: rotate(14deg); }
  60% { transform: rotate(-4deg); }
  75% { transform: rotate(10deg); }
  100% { transform: rotate(0deg); }
}

/* ─── Confetti Particle ─── */
@keyframes confettiFall {
  0% {
    opacity: 1;
    transform: translateY(0) rotate(0deg) scale(1);
  }
  100% {
    opacity: 0;
    transform: translateY(200px) rotate(720deg) scale(0.3);
  }
}

@keyframes confettiExplode {
  0% {
    opacity: 1;
    transform: translate(0, 0) scale(0);
  }
  50% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translate(var(--tx), var(--ty)) scale(1);
  }
}

/* ─── Gold Sweep (CTA border) ─── */
@keyframes goldSweep {
  0% {
    background-position: -200% center;
  }
  100% {
    background-position: 200% center;
  }
}

/* ─── Stamp Pop (Loyalty Stamp completion) ─── */
@keyframes stampPop {
  0% {
    transform: scale(0.7);
    opacity: 0.5;
  }
  50% {
    transform: scale(1.15);
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

/* ─── Glow Pulse ─── */
@keyframes glowPulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(201, 162, 39, 0);
  }
  50% {
    box-shadow: 0 0 20px 4px rgba(201, 162, 39, 0.3);
  }
}

/* ─── Fade In Simple ─── */
@keyframes fadeIn {
  0% { opacity: 0; }
  100% { opacity: 1; }
}

@keyframes fadeOut {
  0% { opacity: 1; }
  100% { opacity: 0; }
}

/* ─── Slide Up Entry ─── */
@keyframes slideUp {
  0% {
    opacity: 0;
    transform: translateY(24px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ─── Nav Pill Slide ─── */
@keyframes navPillSlide {
  0% { transform: translateX(var(--from-x)); }
  100% { transform: translateX(var(--to-x)); }
}

/* ─── Utility Animation Classes ─── */
.animate-fade-in {
  animation: fadeIn var(--duration-slow) var(--ease-smooth) forwards;
}

.animate-fade-out {
  animation: fadeOut var(--duration-normal) ease-out forwards;
}

.animate-slide-up {
  animation: slideUp var(--duration-slow) var(--ease-smooth) forwards;
}

.animate-scale-in {
  animation: fadeScaleIn var(--duration-splash) ease-out forwards;
}

.animate-shake {
  animation: shake 200ms ease-in-out;
}

.animate-wave {
  display: inline-block;
  animation: wave 600ms ease-in-out;
  transform-origin: 70% 70%;
}

.animate-glow {
  animation: glowPulse 1.5s ease-in-out;
}

/* ─── Press Effect (applied via JS on tap) ─── */
.press-effect {
  transition: transform var(--duration-fast) ease-out,
              box-shadow var(--duration-fast) ease-out;
}

.press-effect:active {
  transform: scale(0.97);
  box-shadow: var(--shadow-btn-pressed);
}

/* ─── Stagger Children ─── */
.stagger-children > * {
  opacity: 0;
  animation: slideUp var(--duration-slow) var(--ease-smooth) forwards;
}

.stagger-children > *:nth-child(1) { animation-delay: 0ms; }
.stagger-children > *:nth-child(2) { animation-delay: 80ms; }
.stagger-children > *:nth-child(3) { animation-delay: 160ms; }
.stagger-children > *:nth-child(4) { animation-delay: 240ms; }
.stagger-children > *:nth-child(5) { animation-delay: 320ms; }
.stagger-children > *:nth-child(6) { animation-delay: 400ms; }

/* ─── Glowing Orb Pulse ─── */
@keyframes orbPulse {
  0%, 100% {
    opacity: 0.6;
    transform: translateX(-50%) scale(0.95);
  }
  50% {
    opacity: 1;
    transform: translateX(-50%) scale(1.1);
  }
}

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