/* The existing opening action, not a new layout or font. Slow glow, no flashing. */
.intro-actions [data-press-start]{background:var(--green);color:var(--ink);border-color:var(--green);box-shadow:0 0 8px #00f00055;animation:none}
body.js-ready .intro-actions [data-press-start][data-start-motion="true"]{animation:snapshot-start-glow 2.8s ease-in-out infinite}
@keyframes snapshot-start-glow{
  0%,100%{background-color:#00e000;box-shadow:0 0 7px #00f00066,0 0 16px #00f00022}
  50%{background-color:#35ff25;box-shadow:0 0 15px #00f000bb,0 0 30px #00f00055}
}
.motion-off .intro-actions [data-press-start],.quick-read .intro-actions [data-press-start]{animation:none!important;box-shadow:none}
@media(prefers-reduced-motion:reduce){.intro-actions [data-press-start]{animation:none!important;box-shadow:none}}
@media print{.intro-actions [data-press-start]{animation:none!important;box-shadow:none}}