/* Graphite weather stays behind companions and their paper notes. */
.animal-stage::before {
  content: ''; position: absolute; inset: 0; z-index: 1;
  background: #333a36; opacity: 0; pointer-events: none;
  transition: opacity 1.2s ease;
}
body[data-weather='rain'] .animal-stage::before { opacity: .11; }
.pencil-rain { position: absolute; inset: 0; overflow: hidden; opacity: 0; transition: opacity .8s ease; }
.rain-stroke {
  position: absolute; top: -30px; left: var(--rain-x); width: 1px;
  height: var(--rain-length); opacity: var(--rain-ink);
  background: linear-gradient(transparent, #535550 35%, #535550 80%, transparent);
  animation: graphite-rain var(--rain-speed) linear var(--rain-delay) infinite paused;
}
body[data-weather='rain'] .pencil-rain { opacity: 1; }
body[data-weather='rain'] .rain-stroke,
body[data-weather='rain'] .rain-ring { animation-play-state: running; }
.rain-ripples { opacity: 0; transition: opacity .8s ease; }
body[data-weather='rain'] .rain-ripples { opacity: 1; }
.rain-ring {
  transform-box: fill-box; transform-origin: center; opacity: 0;
  animation: rain-impact 2.8s ease-out var(--impact-delay) infinite paused;
}
@keyframes graphite-rain {
  from { transform: translate3d(35px, -25px, 0) rotate(12deg); }
  to { transform: translate3d(-100px, calc(100svh + 60px), 0) rotate(12deg); }
}
@keyframes rain-impact {
  0% { opacity: 0; transform: scale(.12, .3); }
  10% { opacity: .65; }
  75%, 100% { opacity: 0; transform: scale(1.1, 1); }
}
@media (max-width: 680px) {
  .rain-stroke:nth-child(n+25) { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .pencil-rain, .rain-ripples { display: none; }
  .animal-stage::before { transition: none; }
}
body.weather-paused .ambient-life * { animation-play-state: paused !important; }

/* Leaves carry the wind: a gentle drop, a sideways sweep, then a soft landing. */
.falling-leaves { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.falling-leaf {
  position: absolute; left: var(--leaf-x); top: var(--leaf-y);
  width: var(--leaf-size); height: calc(var(--leaf-size) * 1.28); opacity: 0;
}
.falling-leaf svg {
  width: 100%; height: 100%; fill: #e9e8df; stroke: #626359;
  stroke-width: .85; stroke-linejoin: round; stroke-linecap: round;
}
.falling-leaf .leaf-veins { fill: none; stroke-width: .65; }
body[data-wind='gust'] .falling-leaf { animation: leaf-drift 9s var(--leaf-delay) linear both; }
body[data-wind='gust'] .falling-leaf svg { animation: leaf-turn 3s var(--leaf-delay) ease-in-out 3 both; }
.pencil-rain { transform-origin: center top; transition: opacity .8s ease, transform 2s ease; }
body[data-wind='gust'] .pencil-rain { transform: skewX(-7deg); }
@keyframes leaf-drift {
  0% { opacity: 0; transform: translate3d(0, 0, 0); }
  10% { opacity: .8; transform: translate3d(3vw, 5svh, 0); }
  32% { transform: translate3d(13vw, 18svh, 0); }
  53% { transform: translate3d(34vw, 25svh, 0); }
  72% { opacity: .75; transform: translate3d(42vw, 42svh, 0); }
  100% { opacity: 0; transform: translate3d(48vw, 65svh, 0); }
}
@keyframes leaf-turn {
  0%, 100% { transform: rotate(var(--leaf-turn)) scaleX(.9); }
  35% { transform: rotate(calc(var(--leaf-turn) + 80deg)) scaleX(.45); }
  70% { transform: rotate(calc(var(--leaf-turn) + 155deg)) scaleX(.85); }
}
@media (max-width: 680px) {
  .falling-leaf:nth-child(n+4) { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .falling-leaves { display: none; }
}