.side-button {
  position: fixed;
  left: 0;
  background: #1dbadf;
  color: #fff!important;
  padding: 10px 14px; /* compacter */
  border-top-right-radius: 30px;
  border-bottom-right-radius: 30px;
  font-size: 16px;
  z-index: 9999;
  box-shadow: 2px 2px 8px rgba(0,0,0,0.1);
  cursor: pointer;
  display: flex;
  align-items: center;
  white-space: nowrap;
  overflow: hidden;
  transition: padding-right 0.3s, max-width 0.3s;
  max-width: 50px; /* standaard smal: alleen icoon */
}

.side-button i {
  font-size: 18px;
  color: #fff!important;
  margin-right: 6px; /* icoon dichter naar links */
  flex-shrink: 0;
}

.side-button .label {
  opacity: 0;
  transition: opacity 0.2s;
}

/* posities */
.lees-voor   { bottom: 35px; }
.vergroten   { bottom: 88px; }
.verkleinen  { bottom: 140px; }

/* Hover: ruimte geven en label tonen */
.side-button:hover {
  max-width: 200px;     /* groeit mee met tekst */
  padding-right: 20px;  /* extra ruimte rechts */
}

.side-button:hover .label {
  opacity: 1;
}