notesvault/aurora.css at main · Srushtee1706/notesvault · GitHub

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/* Aurora Background Effect */
@keyframes aurora {
  from {
    background-position: 50% 50%, 50% 50%;
  }
  to {
    background-position: 350% 50%, 350% 50%;
  }
}

.aurora-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.aurora-inner {
  position: absolute;
  inset: -10px;
  background-image:
    repeating-linear-gradient(100deg, #fff 0%, #fff 7%, transparent 10%, transparent 12%, #fff 16%),
    repeating-linear-gradient(100deg, #3b82f6 10%, #a5b4fc 15%, #93c5fd 20%, #ddd6fe 25%, #60a5fa 30%);
  background-size: 300%, 200%;
  background-position: 50% 50%, 50% 50%;
  opacity: 0.5;
  filter: blur(10px);
  animation: aurora 60s linear infinite;
}

.dark .aurora-inner {
  background-image:
    repeating-linear-gradient(100deg, #000 0%, #000 7%, transparent 10%, transparent 12%, #000 16%),
    repeating-linear-gradient(100deg, #3b82f6 10%, #a5b4fc 15%, #93c5fd 20%, #ddd6fe 25%, #60a5fa 30%);
  filter: blur(10px) invert(0);
}

/* Radial mask for aurora effect */
.aurora-inner::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(100deg, #fff 0%, #fff 7%, transparent 10%, transparent 12%, #fff 16%),
    repeating-linear-gradient(100deg, #3b82f6 10%, #a5b4fc 15%, #93c5fd 20%, #ddd6fe 25%, #60a5fa 30%);
  background-size: 200%, 100%;
  background-attachment: fixed;
  mix-blend-mode: difference;
  mask-image: radial-gradient(ellipse at 100% 0%, black 10%, transparent 70%);
}

.dark .aurora-inner::after {
  background-image:
    repeating-linear-gradient(100deg, #000 0%, #000 7%, transparent 10%, transparent 12%, #000 16%),
    repeating-linear-gradient(100deg, #3b82f6 10%, #a5b4fc 15%, #93c5fd 20%, #ddd6fe 25%, #60a5fa 30%);
}