/* Side indicators */
.side-indicator {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  cursor: pointer;
  z-index: 99999;
  transition: all 0.3s ease;
}

.side-indicator::before {
  content: '';
  width: 12px;
  height: 12px;
  border: 2px solid rgba(255, 255, 255, 0.8);
  border-radius: 1px;
  transform: rotate(45deg);
  transition: all 0.3s ease;
}

.side-indicator.left {
  left: 0;
  border-radius: 0 8px 8px 0;
}

.side-indicator.right {
  right: 0;
  border-radius: 8px 0 0 8px;
}

.side-indicator.left::before {
  border-right: none;
  border-top: none;
  margin-left: 8px;
}

.side-indicator.right::before {
  border-left: none;
  border-bottom: none;
  margin-right: 8px;
}

.side-indicator:hover {
  background: rgba(0, 0, 0, 0.6);
  width: 45px;
}

.side-indicator:hover::before {
  border-color: rgba(255, 255, 255, 1);
}