.is-busy {
  position: relative;
  pointer-events: none;
  opacity: 0.8;
}

.is-busy::after {
  content: "";
  display: inline-block;
  width: 0.95em;
  height: 0.95em;
  margin-left: 8px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  vertical-align: -0.15em;
  animation: oo-btn-spin 0.7s linear infinite;
}

@keyframes oo-btn-spin {
  to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
  .is-busy::after { animation: none; }
}

.oo-float {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 80;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-end;
}

.oo-float__wa,
.oo-float__top {
  width: 52px;
  height: 52px;
  border: 0;
  border-radius: 50%;
  display: grid;
  place-items: center;
  box-shadow: 0 8px 22px rgba(8, 24, 48, 0.22);
  cursor: pointer;
}

.oo-float__wa {
  background: #25d366;
  color: #fff;
}

.oo-float__top {
  background: #0b1f3a;
  color: #fff;
}

.oo-float__top[hidden] { display: none; }

.oo-social-rail {
  position: fixed;
  left: 14px;
  top: 50%;
  z-index: 70;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.oo-social-rail.is-hidden { display: none; }

.oo-social-rail a,
.oo-social-rail__btn {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #fff;
  background: #071333;
  box-shadow: 0 8px 18px rgba(8, 24, 48, 0.28);
  transition: transform 0.2s ease;
}

.oo-social-rail__btn:hover { transform: translateY(-2px); }
.oo-social-rail__btn--facebook { background: #1877f2; }
.oo-social-rail__btn--youtube { background: #ff0000; }
.oo-social-rail__btn--instagram { background: radial-gradient(circle at 30% 30%, #feda75, #d62976 55%, #4f5bd5); }
.oo-social-rail__btn--linkedin { background: #0a66c2; }
.oo-social-rail__btn--twitter,
.oo-social-rail__btn--x { background: #111; }

.oo-social-rail__btn img,
.oo-social-rail__btn svg {
  width: 26px;
  height: 26px;
  object-fit: contain;
}

@media (max-width: 720px) {
  .oo-social-rail {
    left: 8px;
    gap: 8px;
  }
  .oo-social-rail a {
    width: 40px;
    height: 40px;
  }
  .oo-float {
    right: 10px;
    bottom: 12px;
  }
}