/*
 * BomberoFlash H43 · efecto v3 reutilizable de iconos.
 * Adaptación del efecto «ui-bookmark» de Galahhad / Uiverse.io.
 * La variante de corazón toma como referencia ui-like de Yaya12085.
 * Esta hoja solo anima: no guarda estados ni modifica permisos o acciones.
 */

#testActionBar button[data-bf-anim] {
  position: relative;
  isolation: isolate;
}

#testActionBar button[data-bf-anim]:focus-visible {
  outline: 2px solid #2563eb;
  outline-offset: 2px;
}

.bf-icon-fx {
  --bf-fx-size: 24px;
  --bf-fx-color: #df9200;
  --bf-fx-duration: 300ms;
  --bf-fx-ring-size: 35px;
  position: relative;
  display: inline-grid;
  place-items: center;
  inline-size: var(--bf-fx-size);
  block-size: var(--bf-fx-size);
  flex: 0 0 var(--bf-fx-size);
  vertical-align: middle;
  pointer-events: none;
  overflow: visible;
}

#testActionBar .bf-icon-fx {
  --bf-fx-size: 20px;
}

.bf-icon-fx__glyph {
  display: inline-grid;
  place-items: center;
  inline-size: 100%;
  block-size: 100%;
  transform-origin: center top;
}

.bf-icon-fx__glyph > svg,
.bf-icon-fx__glyph > [data-lucide] {
  display: block;
  inline-size: 100%;
  block-size: 100%;
}

.bf-icon-fx__glyph--text {
  font-size: .875rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.035em;
}

.bf-icon-fx::before,
.bf-icon-fx::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 50%;
  opacity: 0;
  pointer-events: none;
}

.bf-icon-fx::before {
  inline-size: var(--bf-fx-ring-size);
  block-size: var(--bf-fx-ring-size);
  box-sizing: border-box;
  border: 1px solid var(--bf-fx-color);
  transform: translate(-50%, -50%) scale(0);
}

.bf-icon-fx::after {
  inline-size: 10px;
  block-size: 10px;
  background: transparent;
  box-shadow:
    0 30px 0 -4px var(--bf-fx-color),
    30px 0 0 -4px var(--bf-fx-color),
    0 -30px 0 -4px var(--bf-fx-color),
    -30px 0 0 -4px var(--bf-fx-color),
    -22px 22px 0 -4px var(--bf-fx-color),
    -22px -22px 0 -4px var(--bf-fx-color),
    22px -22px 0 -4px var(--bf-fx-color),
    22px 22px 0 -4px var(--bf-fx-color);
  transform: translate(-50%, -50%) scale(0);
}

.bf-icon-fx--playing .bf-icon-fx__glyph {
  animation: bf-icon-squash var(--bf-fx-duration) ease 1 both,
    bf-icon-color 600ms linear 1 both;
}

.bf-icon-fx--playing::before {
  animation: bf-icon-ring var(--bf-fx-duration)
    cubic-bezier(.175, .885, .32, 1.275) var(--bf-fx-duration) 1 both;
}

.bf-icon-fx--playing::after {
  animation: bf-icon-particles var(--bf-fx-duration)
    cubic-bezier(.175, .885, .32, 1.275) var(--bf-fx-duration) 1 both;
}

@keyframes bf-icon-squash {
  0%, 100% { transform: scaleY(1); }
  50% { transform: scaleY(.6); }
}

@keyframes bf-icon-color {
  0%, 95% { color: var(--bf-fx-color); }
  100% { color: inherit; }
}

/* H73: el anillo crece con transform (antes animaba inline-size/block-size,
   que recalcula el diseño en cada fotograma). */
@keyframes bf-icon-ring {
  from { transform: translate(-50%, -50%) scale(0); opacity: 0; }
  90% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
  to { transform: translate(-50%, -50%) scale(1); opacity: 0; }
}

@keyframes bf-icon-particles {
  0% { opacity: 0; transform: translate(-50%, -50%) scale(0); }
  40% { opacity: 1; }
  100% { opacity: 0; transform: translate(-50%, -50%) scale(.8); }
}

@media (prefers-reduced-motion: reduce) {
  .bf-icon-fx--playing .bf-icon-fx__glyph,
  .bf-icon-fx--playing::before,
  .bf-icon-fx--playing::after {
    animation: none;
  }

  .bf-icon-fx--playing .bf-icon-fx__glyph {
    color: var(--bf-fx-color);
  }

  .bf-icon-fx::before,
  .bf-icon-fx::after {
    display: none;
  }
}