aside {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--bg2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
}
.logo {
  padding: 22px 20px 18px;
  border-bottom: 1px solid var(--border);
}
.logo-mark {
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: -0.5px;
}
.logo-sub {
  font-size: 10px;
  color: var(--text3);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-top: 2px;
}

nav {
  padding: 12px 0;
  flex: 1;
}
.nav-section {
  padding: 8px 20px 4px;
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text3);
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 20px;
  cursor: pointer;
  color: var(--text2);
  font-size: 13px;
  transition: all 0.15s;
  border-left: 2px solid transparent;
  margin: 1px 0;
}
.nav-item:hover {
  color: var(--text);
  background: var(--bg3);
}
.nav-item.active {
  color: var(--accent);
  background: var(--accent-dim2);
  border-left-color: var(--accent);
}
.nav-icon {
  width: 16px;
  height: 16px;
  opacity: 0.7;
  flex-shrink: 0;
}
.nav-item.active .nav-icon {
  opacity: 1;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--text3);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logout-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text3);
  font-size: 11px;
  font-family: var(--font);
  padding: 3px 7px;
  border-radius: var(--radius-sm);
  transition: all 0.15s;
}
.logout-btn:hover {
  color: var(--red);
  background: var(--red-dim);
}