/* required-star.css */

/* Visual style for the required marker */
.required-star {
  color: #dc3545;                /* bootstrap 'text-danger' */
  font-size: 1.25rem;           /* larger star; adjust as needed */
  font-weight: 700;
  margin-left: 0.25rem;
  padding: 0 0.25rem;
  line-height: 1;
  display: inline-block;
  position: relative;
  cursor: default;
  outline: none;
}

/* Tooltip content (hidden by default) */
.required-star::after {
  content: attr(data-tooltip);
  position: absolute;
  top: -2.2rem;                 /* place above the star; adjust if needed */
  left: 50%;
  transform: translateX(-50%) translateY(0);
  background: rgba(0, 0, 0, 0.85);
  color: #fff;
  padding: 0.25rem 0.45rem;
  border-radius: 0.25rem;
  font-size: 0.75rem;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.12s ease, transform 0.12s ease;
  z-index: 1000;
}

/* Small arrow under tooltip */
.required-star::before {
  content: "";
  position: absolute;
  top: -0.6rem;
  left: 50%;
  transform: translateX(-50%);
  border-width: 0.35rem;
  border-style: solid;
  border-color: rgba(0, 0, 0, 0.85) transparent transparent transparent;
  opacity: 0;
  transition: opacity 0.12s ease, transform 0.12s ease;
  z-index: 1000;
}

/* Reveal tooltip on hover or keyboard focus (accessible) */
.required-star:hover::after,
.required-star:focus::after,
.required-star:hover::before,
.required-star:focus::before {
  opacity: 1;
  transform: translateX(-50%) translateY(-0.25rem);
}

/* Focus ring for keyboard users */
.required-star:focus {
  box-shadow: 0 0 0 0.20rem rgba(220, 53, 69, 0.25);
  border-radius: 0.125rem;
}

/* Responsive adjustments for small screens */
@media (max-width: 480px) {
  .required-star::after {
    top: -1.8rem;
    font-size: 0.7rem;
  }
  .required-star::before {
    top: -0.5rem;
  }
}