/* =========================================================================
   HIGHLIGHTER TOOL — Glassmorphism Edition
   ========================================================================= */

/* Selected/current highlight with glassy border */
.hl-selected,
.hl-current {
  position: relative;
  overflow: visible;
  z-index: 50;
}

.hl-selected::after,
.hl-current::after {
  content: '';
  position: absolute;
  top: -16px;
  left: -16px;
  right: -16px;
  bottom: -16px;
  border: 3px solid rgba(255,255,255,0.6);
  border-radius: 18px;
  box-shadow: 0 8px 32px 0 rgba(31,38,135,0.20);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  pointer-events: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

/* Toolbar floating above, glassy, blurred */
.hl-toolbar {
  position: absolute;
  top: -56px;
  right: 8px;
  display: flex;
  gap: 12px;
  padding: 10px 20px;
  border-radius: 1.5rem;
  background: rgba(255,255,255,0.20);
  box-shadow: 0 8px 32px 0 rgba(31,38,135,0.18);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1.5px solid rgba(255,255,255,0.22);
  opacity: 0;
  transform: translateY(-12px) scale(0.98);
  pointer-events: none;
  z-index: 9999;
  transition: opacity .3s cubic-bezier(.4,0,.2,1), transform .3s cubic-bezier(.4,0,.2,1);
}

.hl-selected:hover > .hl-toolbar,
.hl-current:hover > .hl-toolbar,
.hl-selected > .hl-toolbar:hover,
.hl-current > .hl-toolbar:hover,
.hl-current > .hl-toolbar {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

.hl-hover    { outline: 2px dashed rgba(56, 189, 248, .8); }
.hl-current  { outline: 2px solid   rgba(99, 102, 241, .9); }
.hl-selected { outline: 2px solid   rgba(156, 163, 175, .6); }
.hl-toolbar  { position: absolute; top: -.75rem; right: -.75rem; }

/* Glassy floating round icon buttons */
.hl-button {
  width: 42px;
  height: 42px;
  border-radius: 9999px;
  border: none;
  background: rgba(255,255,255,0.25);
  box-shadow: 0 2px 10px rgba(31,38,135,0.10);
  display: grid;
  place-items: center;
  font-size: 18px;
  transition: background 0.18s, transform 0.18s;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  cursor: pointer;
}

.hl-button:hover {
  background: rgba(255,255,255,0.40);
  transform: scale(1.10);
}

.hl-button:active {
  background: rgba(220,220,220,0.44);
  transform: scale(0.96);
}

/* Optional: subtle "glow" on current highlight */
.hl-current::after {
  border-color: rgba(0,176,255,0.55);
  box-shadow: 0 0 16px 2px rgba(0,176,255,0.18), 0 8px 32px 0 rgba(31,38,135,0.14);
}