.sidebar {
  background: #212121;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow-y: auto;
}

.sidebar-brand {
  padding: 1.25rem 1rem 1rem;
  font-family: 'Press Start 2P', monospace;
  font-size: 0.55rem;
  line-height: 1.6;
  color: #fff;
  letter-spacing: 0.02em;
  border-bottom: 1px solid #2a2a2a;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  text-decoration: none;
  color: #fff;
  font-size: 0.95rem;
  font-weight: 400;
  border-bottom: 1px solid #2a2a2a;
  transition: background 0.15s ease;
  position: relative;
}

.nav-item:hover {
  background: #2a2a2a;
}

.nav-item.active {
  background: #2d2d2d;
  border-top: 1px solid #e8e8e8;
  border-left: 1px solid #e8e8e8;
  border-bottom-color: #2a2a2a;
}

.nav-item.active .nav-icon {
  border: 1px solid #888;
}

.nav-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  image-rendering: pixelated;
}

.nav-icon svg {
  width: 32px;
  height: 32px;
  image-rendering: pixelated;
  display: block;
}

.nav-label {
  white-space: nowrap;
}