/* ==========================================================
   PANEL FLOTANTE DE NAVEGACIÓN — Dharma / Zen
   (para páginas puente: selector_autor, presenciales, virtuales)
========================================================== */
.panel-flotante {
  position: fixed;
  top: 30px;
  left: 50%;
  right: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  z-index: 1500;
  margin: 0 auto;

}

/* Orbes de navegación */
.btn-panel {
  box-sizing: border-box; /* asegura que border no cambie el tamaño externo */
  flex-shrink: 0;         /* evita que el botón se encoja en layouts flex */
  width: 48px;
  height: 48px;
  min-width: 48px;
  min-height: 48px;
  border-radius: 50%;
  background: var(--color-principal);
  backdrop-filter: blur(8px);
  color: #fff;
  border: 2px solid var(--color-principal);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
  transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
  overflow: hidden; /* evita que el contenido sobresalga y rompa el círculo */
}

.btn-panel:hover {
  background: var(--warning);
  color: #fff;
  border: 2px solid transparent;
  transform: scale(1.08);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
}

/* Tooltip */
.btn-panel::after {
  content: attr(data-tooltip);
  position: absolute;
  right: 60px;
  background: rgba(0, 0, 0, 0.75);
  color: #fff;
  font-size: 0.75rem;
  padding: 4px 8px;
  border-radius: 4px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(5px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  white-space: nowrap;
}

.btn-panel:hover::after {
  opacity: 1;
  transform: translateY(0);
}

/* En móvil pasa a barra inferior */
@media (max-width: 768px) {
  .panel-flotante {
    /* flex-direction: row;
    justify-content: center;
    align-self: center;
    bottom: 90px;
    right: 50%;
    left: auto;
    transform: translateX(50%); 
    top: auto;
    background: transparent;
    border-radius: 40px;
    padding: 6px 12px; */
  }

  .btn-panel {
    background: var(--color-principal);
    border: none;
    box-shadow: none;
    color: white; /* añadir punto y coma si falta */
  }

  .btn-panel::after {
    display: none;
  }
}