/* Global route-drawing loader glyph. */

.route-tracer {
  display: flex;
  align-items: center;
  justify-content: center;
}

.route-tracer__svg {
  display: block;
  width: 60px;
  height: auto;
  aspect-ratio: 72 / 32;
  overflow: visible;
}

.route-tracer__road {
  fill: none;
  stroke: rgb(var(--text-rgb) / 13%);
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.route-tracer__line {
  fill: none;
  stroke: var(--accent);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 100;
  stroke-dashoffset: 100;
  filter: drop-shadow(0 0 4px rgb(var(--accent-rgb) / 55%));
  animation: route-tracer-draw 1.9s ease-in-out infinite;
}

.route-tracer__origin {
  fill: var(--primary);
  opacity: 0.85;
}

.route-tracer__dest {
  fill: none;
  stroke: var(--accent);
  stroke-width: 2;
  transform-box: fill-box;
  transform-origin: center;
  animation: route-tracer-dest 1.9s ease-in-out infinite;
}

.route-tracer__dot {
  fill: var(--accent);
  filter: drop-shadow(0 0 4px rgb(var(--accent-rgb) / 70%));
}

@keyframes route-tracer-draw {
  0% {
    stroke-dashoffset: 100;
    opacity: 0;
  }

  6% {
    opacity: 1;
  }

  74% {
    stroke-dashoffset: 0;
    opacity: 1;
  }

  90% {
    stroke-dashoffset: 0;
    opacity: 1;
  }

  100% {
    stroke-dashoffset: 0;
    opacity: 0;
  }
}

@keyframes route-tracer-dest {
  0%,
  64% {
    transform: scale(0.6);
    opacity: 0.25;
  }

  78% {
    transform: scale(1.3);
    opacity: 1;
  }

  100% {
    transform: scale(0.9);
    opacity: 0.45;
  }
}

.loading-overlay.compact .route-tracer__svg {
  width: 46px;
}

@media (prefers-reduced-motion: reduce) {
  .route-tracer__line {
    animation: none;
    stroke-dashoffset: 0;
    opacity: 0.9;
  }

  .route-tracer__dest {
    animation: none;
    transform: none;
    opacity: 0.8;
  }

  .route-tracer__dot {
    display: none;
  }
}