/* shine-border.css — motion-anything recipe · category: ambient
 * A light travels around the border via a rotating conic-gradient masked to a thin ring.
 * Compositor-friendly; fully static under reduced-motion. */

@property --shine-angle {
  syntax: "<angle>";
  initial-value: 0deg;
  inherits: false;
}

.shine {
  --shine-angle: 0deg;
  --shine-width: 1.5px;
  --shine-color: #8b7cf6;
  position: relative;
  border-radius: 16px;
  background: #14151c;
  color: #e7e8ee;
  isolation: isolate;
}
.shine::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: inherit;
  padding: var(--shine-width);
  background: conic-gradient(
    from var(--shine-angle),
    transparent 0%,
    var(--shine-color) 12%,
    transparent 28%,
    transparent 100%
  );
  /* mask to just the border ring */
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  animation: shine-spin 4s linear infinite;
}
@keyframes shine-spin {
  to { --shine-angle: 360deg; }
}

@media (prefers-reduced-motion: reduce) {
  .shine::before { animation: none; background: none; border: var(--shine-width) solid rgba(139, 124, 246, 0.4); }
}