/* Lightweight holiday overlays — pointer-events none except root interaction */

.lm9-holiday-layer {
  position: fixed;
  inset: 0;
  z-index: 9998;
  pointer-events: none;
  overflow: hidden;
}

.lm9-holiday-layer canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.lm9-snowflake {
  position: fixed;
  z-index: 9997;
  pointer-events: none;
  color: #fff;
  text-shadow: 0 0 2px rgba(15, 23, 42, 0.25);
  line-height: 1;
  will-change: transform, opacity;
}

html[data-snow-phase="accumulate"] .site-header,
html[data-snow-phase="accumulate"] .btn,
html[data-snow-phase="accumulate"] h1,
html[data-snow-phase="accumulate"] h2,
html[data-snow-phase="accumulate"] .logo {
  position: relative;
}

html[data-snow-phase="accumulate"] .site-header::after,
html[data-snow-phase="accumulate"] .btn::after,
html[data-snow-phase="accumulate"] h1::after,
html[data-snow-phase="accumulate"] h2::after,
html[data-snow-phase="accumulate"] .logo::after {
  content: "";
  position: absolute;
  top: -3px;
  left: 8%;
  right: 8%;
  height: 5px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.55));
  border-radius: 40% 40% 0 0;
  pointer-events: none;
  transition: opacity 1.2s ease, transform 1.2s ease;
}

html[data-snow-phase="melt"] .site-header::after,
html[data-snow-phase="melt"] .btn::after,
html[data-snow-phase="melt"] h1::after,
html[data-snow-phase="melt"] h2::after,
html[data-snow-phase="melt"] .logo::after {
  opacity: 0;
  transform: translateY(12px);
}

@media (prefers-reduced-motion: reduce) {
  .lm9-holiday-layer,
  .lm9-snowflake {
    display: none !important;
  }
}