/* ============================================================================
 * map_presence.css — Collaborative map presence chips (Epic H3, packet B)
 * Corner strip of role-colored avatar chips + a transient pan highlight ring.
 * Tokens with literal fallbacks. Animations: transform/opacity only.
 * ==========================================================================*/

.rv-map-presence-strip {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: var(--rv-z-float, 200);
  display: flex;
  flex-direction: row;
  gap: 6px;
  align-items: center;
  pointer-events: none;   /* the strip itself is click-through; chips opt back in */
}

.rv-map-presence-strip.hidden {
  /* Project convention: global .hidden = display:none !important. */
  opacity: 0;
}

.rv-presence-chip {
  pointer-events: auto;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 2px solid var(--rv-chip-color, #4fc3f7);
  background: color-mix(in srgb, var(--rv-chip-color, #4fc3f7) 18%, rgba(13, 20, 33, 0.92));
  color: var(--rv-chip-color, #4fc3f7);
  font-size: var(--rv-fs-xs, 0.78rem);
  font-weight: 700;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.5);
  /* GPU-friendly hover: only transform + opacity animate. */
  transition: transform 120ms ease, opacity 120ms ease;
}

.rv-presence-chip:hover,
.rv-presence-chip:focus-visible {
  transform: scale(1.12);
  outline: 2px solid var(--rv-chip-color, #4fc3f7);
  outline-offset: 1px;
}

.rv-presence-initials {
  letter-spacing: 0.5px;
  pointer-events: none;
}

/* Transient highlight ring when panning to a peer's viewport. Pure
 * transform/opacity pulse — GPU-accelerated, no layout thrash. */
.rv-presence-ring {
  animation: rv-presence-pulse 1.4s ease-out forwards;
  transform-origin: center;
}

@keyframes rv-presence-pulse {
  0%   { opacity: 0.9; transform: scale(0.6); }
  60%  { opacity: 0.6; transform: scale(1.15); }
  100% { opacity: 0;   transform: scale(1.4); }
}

/* Tablet: keep the strip compact. */
@media (max-width: 820px) {
  .rv-presence-chip {
    width: 26px;
    height: 26px;
  }
}