/* ——— FAB de ayuda ——— */
#help-fab {
  position: fixed;
  right: 18px;
  bottom: 95px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 0;
  background: #002b49; /* azul oscuro */
  color: #fff;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 1800;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
}
#help-fab i {
  font-size: 1.25rem;
}
#help-fab:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.3);
  background: #00406f;
}
#help-fab:active {
  transform: translateY(0);
}

/* pulso sutil */
@keyframes fabPulse {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(0, 178, 226, 0);
  }
  50% {
    box-shadow: 0 0 0 12px rgba(0, 178, 226, 0.15);
  }
}
#help-fab {
  animation: fabPulse 2.4s ease-in-out infinite;
}

/* ——— Modal de ayuda ——— */
.help-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1900;
}
.help-overlay.open {
  display: flex;
}

.help-card {
  width: min(680px, calc(100% - 2rem));
  background: #fff;
  border-radius: 14px;
  padding: 1.25rem 1.25rem 1rem;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.3);
  transform: translateY(18px);
  opacity: 0;
  animation: helpIn 0.25s ease forwards;
  border: 2px solid #00b2e2; /* acento */
}
@keyframes helpIn {
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.help-close {
  position: absolute;
  right: 0.75rem;
  top: 0.5rem;
  border: 0;
  background: transparent;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  color: #002b49;
}
.help-list {
  margin: 0;
  padding-left: 1rem;
}
.help-list li {
  margin-bottom: 0.5rem;
}

/* Evita que el contenido se mueva al abrir modal */
body.no-scroll {
  overflow: hidden;
}