.multiselect {
  width: 260px;
  /* Widened for better readability */
  position: absolute;
  right: 15px;
  /* Added spacing from edge */
  top: 15px;
  /* Added spacing from top */
  z-index: 1000;
  /* Ensure it stays above everything */
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.selectBox {
  position: relative;
  cursor: pointer;
}

.selectBox select {
  width: 100%;
  font-weight: 600;
  padding: 10px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  /* Softened edges */
  background-color: var(--bg-secondary);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  color: var(--text-primary);
}

.overSelect {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
}

#checkbox_list {
  display: none;
  border: 1px solid var(--border-color);
  border-top: none;
  background-color: var(--bg-secondary);
  /* Solid background - key fix for transparency */
  max-height: 400px;
  /* Restrained height */
  overflow-y: auto;
  box-shadow: var(--card-shadow);
  /* Floating card shadow */
  border-radius: 0 0 4px 4px;
}

#checkbox_list label {
  display: block;
  padding: 8px 12px;
  cursor: pointer;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.9em;
  color: var(--text-primary);
  transition: background-color 0.2s;
}

#checkbox_list label:last-child {
  border-bottom: none;
}

#checkbox_list label:hover {
  background-color: var(--bg-primary);
  /* Subtle gray on hover instead of intense blue */
}

#checkbox_list input[type="checkbox"] {
  margin-right: 10px;
  transform: translateY(1px);
  /* alignment tweak */
}

/* Styled filter input */
#checkboxListFilter {
  width: 100%;
  padding: 8px;
  border: none;
  border-bottom: 1px solid var(--border-color);
  outline: none;
  font-size: 0.9em;
  background-color: var(--bg-primary);
  color: var(--text-primary);
}

#checkboxListFilter:focus {
  background-color: #fff;
}