/* /css/base.css */
/* version: 2025-12-01 v0.2 */

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  height: 100%;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #f9fafb;
  overflow: hidden;
  background:
    radial-gradient(ellipse at top, #1e1b4b 0, #020617 45%, #000 100%);
  background-size: 220% 220%;
  animation: galaxyDrift 40s ease-in-out infinite alternate;
  position: relative;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: -40%;
  pointer-events: none;
  mix-blend-mode: screen;
  opacity: 0.32;
  background:
    radial-gradient(circle at 10% 15%, rgba(129,140,248,0.9) 0, transparent 55%),
    radial-gradient(circle at 80% 35%, rgba(244,114,182,0.9) 0, transparent 55%),
    radial-gradient(circle at 40% 80%, rgba(251,191,36,0.8) 0, transparent 60%);
  filter: blur(8px);
  z-index: -1;
  animation: nebulaShift 60s linear infinite;
}

body::after {
  opacity: 0.24;
  mix-blend-mode: soft-light;
  filter: blur(18px);
  animation-duration: 90s;
  animation-direction: alternate-reverse;
}

.stars-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(1px 1px at 20% 25%, rgba(248,250,252,0.9), transparent),
    radial-gradient(1px 1px at 60% 30%, rgba(248,250,252,0.7), transparent),
    radial-gradient(1px 1px at 80% 70%, rgba(248,250,252,0.9), transparent),
    radial-gradient(1px 1px at 35% 80%, rgba(248,250,252,0.6), transparent),
    radial-gradient(1px 1px at 10% 70%, rgba(248,250,252,0.5), transparent);
  opacity: 0.55;
  animation: starTwinkle 14s ease-in-out infinite alternate;
  z-index: -1;
}

.page {
  height: 100%;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

@keyframes galaxyDrift {
  0% {
    background-position: 10% 0%;
  }
  50% {
    background-position: 50% 60%;
  }
  100% {
    background-position: 90% 20%;
  }
}

@keyframes nebulaShift {
  0% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  50% {
    transform: translate3d(-2%, 3%, 0) scale(1.05);
  }
  100% {
    transform: translate3d(3%, -4%, 0) scale(1.02);
  }
}

@keyframes starTwinkle {
  0%,
  100% {
    opacity: 0.35;
    transform: scale(1);
  }
  50% {
    opacity: 0.7;
    transform: scale(1.02);
  }
}

/* Preloader breathing */
@keyframes glyphseedBreathe {
  0% {
    transform: scale(1);
    opacity: 0.7;
  }
  50% {
    transform: scale(1.04);
    opacity: 0.94;
  }
  100% {
    transform: scale(1);
    opacity: 0.7;
  }
}