.sidebar {
  position: fixed;
  left: 0;
  bottom: 0;
  top: var(--header-height);
  background-color: var(--color-surface);
  width: var(--sidebar-width);
  z-index: 200;
  padding-top: 5px;
  transition: transform 0.2s ease;
  will-change: transform;
}

.sidebar-link {
  height: 74px;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  cursor: pointer;
  position: relative;
  text-decoration: none;
  color: inherit;
}

.sidebar-link:hover {
  background-color: var(--color-hover);
}

.sidebar-link.is-active,
.sidebar-link[aria-current="page"] {
  background-color: var(--color-hover);
}

.sidebar-link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.sidebar-link img {
  height: 24px;
  margin-bottom: 4px;
}

.sidebar-link div {
  font-size: 10px;
}

.sidebar-link .label {
  font-size: 10px;
}

.sidebar-link .tooltip {
  position: absolute;
  top: 100%; /* Position below the entire sidebar-link block */
  margin-top: 6px; /* Space between label and tooltip */
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-tooltip-bg);
  color: var(--color-tooltip-text);
  padding: 4px 8px;
  border-radius: 2px;
  font-size: 12px;
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.15s;
  pointer-events: none;
  z-index: 300;
}

.sidebar-link:hover .tooltip {
  opacity: 1;
}

body.sidebar-collapsed {
  --sidebar-width: 0;
}

body.sidebar-collapsed .sidebar {
  transform: translateX(-100%);
}

@media (max-width: 900px) {
  body {
    --sidebar-width: 0;
  }

  .sidebar {
    transform: translateX(-100%);
  }

  body.sidebar-open .sidebar {
    transform: translateX(0);
  }

  body.sidebar-open {
    --sidebar-width: 72px;
  }
}