.root {
  width: var(--sidebar-width);
  flex-shrink: 0;
  background: var(--bg-void);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--sp-4) 0;
  gap: 0;
}

.logo {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--sp-3);
  overflow: visible;
  background: none;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-lg);
  transition: opacity var(--t-base), transform var(--t-base);
  padding: 0;
}
.logo:hover { opacity: 0.8; transform: scale(0.96); }
.logo:active { transform: scale(0.92); }

.logoIcon {
  width: 80px;
  height: 80px;
  background-color: var(--accent);
  mask-image: url("../../assets/moku-icon.svg");
  mask-repeat: no-repeat;
  mask-position: center;
  mask-size: contain;
  -webkit-mask-image: url("../../assets/moku-icon.svg");
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-position: center;
  -webkit-mask-size: contain;
  filter: drop-shadow(0 0 8px rgba(107, 143, 107, 0.35));
  pointer-events: none;
}

.nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-1);
  width: 100%;
  padding: 0 var(--sp-2);
}

.tab {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-md);
  color: var(--text-faint);
  transition: color var(--t-base), background var(--t-base);
}
.tab:hover { color: var(--text-muted); background: var(--bg-raised); }
.tabActive { color: var(--accent-fg); background: var(--accent-muted); }
.tabActive:hover { color: var(--accent-fg); background: var(--accent-muted); }

.bottom {
  display: flex; flex-direction: column; align-items: center;
  width: 100%; padding: var(--sp-3) var(--sp-2) 0;
  border-top: 1px solid var(--border-dim);
  margin-top: var(--sp-3);
}

.settingsBtn {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-md);
  color: var(--text-faint);
  transition: color var(--t-base), background var(--t-base), transform var(--t-slow);
}
.settingsBtn:hover { color: var(--text-muted); background: var(--bg-raised); transform: rotate(30deg); }