.borders-container {
  --space: 20px;
  --inner-space: 5px;
  --button-side: 60px;
  position: fixed;
  z-index: 134217728;
  top: 100%;
  right: 0;
  transform: translate(calc(0% - var(--space)), calc(-100% - var(--space)));
  pointer-events: none;
}
.borders-container > * {
  display: flex;
  justify-content: center;
}
.borders-container > *:first-child {
  margin-bottom: var(--inner-space);
}
.borders-container > *:last-child {
  gap: var(--inner-space);
}
.lisio-band {
  pointer-events: all;
  width: var(--button-side);
  height: var(--button-side);
  background-color: #2c2c2c;
  border: 2px solid #1a1a1a;
  border-radius: 8px;
  box-shadow:
    inset 0 -2px 0 #1a1a1a,
    /* ombre intérieure discrète */ 0 4px 6px rgba(0, 0, 0, 0.6),
    /* ombre externe pour le relief */ 0 1px 0 rgba(255, 255, 255, 0.1); /* liseré clair en haut pour "biseau" */
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  user-select: none;
  transition: all 0.1s ease;
}
.lisio-band svg {
  width: 30px;
  height: 30px;
}
.lisio-band:hover {
  box-shadow:
    inset 0 2px 4px rgba(0, 0, 0, 0.8),
    inset 0 -1px 0 rgba(255, 255, 255, 0.1);
  transform: translateY(2px);
}

.lisio-band.right svg {
  transform: rotate(90deg);
}
.lisio-band.bottom svg {
  transform: rotate(180deg);
}
.lisio-band.left svg {
  transform: rotate(270deg);
}