/* Photo Album — shared keyframes + animation classes (port of silk-design animations.css, T003).
   Tailwind deps: none (plain keyframes). Marquee keyframes ship but are unused for now
   (spec §4.1: ship the file, use nothing from it yet). */

@keyframes pulsate {
  0% {
    box-shadow: 0 0 0 0 var(--accent);
    transform: scale(0.9);
  }
  50% {
    transform: scale(1);
  }
  100% {
    box-shadow: 0 0 20px 10px transparent;
    transform: scale(0.9);
  }
}

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

@keyframes fadeInTranslate {
  from {
    transform: translateY(0.75vh);
  }
  to {
    transform: translateY(0vh);
  }
}

@keyframes aurora {
  from {
    background-position: 50% 50%, 50% 50%;
  }
  to {
    background-position: 350% 50%, 350% 50%;
  }
}

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

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

@keyframes marquee-vertical {
  from {
    transform: translateY(0);
  }
  to {
    transform: translateY(-50%);
  }
}

@keyframes marquee-vertical-reverse {
  from {
    transform: translateY(-50%);
  }
  to {
    transform: translateY(0);
  }
}

@keyframes marquee-horizontal {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

@keyframes marquee-horizontal-reverse {
  from {
    transform: translateX(-50%);
  }
  to {
    transform: translateX(0);
  }
}

@keyframes orbit {
  from {
    transform: rotate(var(--initial-position, 0deg)) translateX(var(--translate-position, 120px))
      rotate(calc(-1 * var(--initial-position, 0deg)));
  }
  to {
    transform: rotate(calc(var(--initial-position, 0deg) + 360deg))
      translateX(var(--translate-position, 120px))
      rotate(calc(-1 * (var(--initial-position, 0deg) + 360deg)));
  }
}

@keyframes map-dot-pulse {
  0%,
  100% {
    transform: scale(0.4);
    opacity: 0.6;
  }
  50% {
    transform: scale(1.4);
    opacity: 1;
  }
}

@keyframes progress {
  from {
    transform: scaleX(0);
  }
  to {
    transform: scaleX(1);
  }
}

/* Animation classes */

.animate-pulsate {
  animation: pulsate 1.5s infinite;
}

.animation-container {
  animation: fadeInOpacity 0.8s ease-in-out forwards, fadeInTranslate 0.6s forwards;
}

.animation-container-fade {
  animation: fadeInOpacity 0.8s ease-in-out forwards;
}

.animate-spin-slow {
  animation: spin-slow 15s linear infinite;
}

.animate-spin-reverse {
  animation: spin-reverse 10s linear infinite;
}

.animate-marquee-vertical {
  animation: marquee-vertical 40s linear infinite;
}

.animate-marquee-vertical-reverse {
  animation: marquee-vertical-reverse 40s linear infinite;
}

.animate-marquee-horizontal {
  animation: marquee-horizontal 15s linear infinite;
}

.animate-marquee-horizontal-reverse {
  animation: marquee-horizontal-reverse 15s linear infinite;
}

.animate-progress {
  animation: progress linear forwards;
}

/* Ray background animations */
@keyframes ray-pulse {
  0%, 100% { opacity: 0; }
  50% { opacity: var(--ray-opacity); }
}

@keyframes rotated-ray-pulse {
  0%, 100% { opacity: 0; }
  50% { opacity: var(--ray-opacity); }
}

/* Floating gradient background animations */
@keyframes floating-move-in-circle {
  0% { transform: rotate(0deg); }
  50% { transform: rotate(180deg); }
  100% { transform: rotate(360deg); }
}

@keyframes floating-move-vertical {
  0% { transform: translateY(-50%); }
  50% { transform: translateY(50%); }
  100% { transform: translateY(-50%); }
}

@keyframes floating-move-horizontal {
  0% { transform: translateX(-50%) translateY(-10%); }
  50% { transform: translateX(50%) translateY(10%); }
  100% { transform: translateX(-50%) translateY(-10%); }
}

/* Cell wave background animation */
@keyframes cell-wave-pulse {
  0%, 100% { opacity: 0; }
  11% { opacity: 0.05; }
  22% { opacity: 0.15; }
  33% { opacity: 0.25; }
  44% { opacity: 0.5; }
  55% { opacity: 0.25; }
  66% { opacity: 0.15; }
  77% { opacity: 0.05; }
  88% { opacity: 0; }
}