.sidebar {
  width: 76px;
  height: 100%;
  background: var(--color-sidebar-bg);
  backdrop-filter: var(--bf-glass-md);
  -webkit-backdrop-filter: var(--bf-glass-md);
  border-right: 1px solid var(--color-border-modal-soft);
  /* V2 玻璃顶边白高光 + 右侧立体阴影 */
  box-shadow:
    inset 0 1px 0 var(--color-inset-highlight),
    1px 0 0 var(--color-border-soft),
    2px 0 12px rgba(0, 0, 0, 0.04);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 16px 0;
  flex-shrink: 0;
  z-index: 50;
}

.logo {
  margin-bottom: 28px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.navItems {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.navItem {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 10px 0;
  width: 56px;
  border-radius: 8px;
  color: var(--color-text-disabled);
  cursor: pointer;
  transition: color 0.15s, background 0.15s;
  font-size: 11px;
  user-select: none;
}

.navItem:hover {
  color: var(--color-text-secondary);
  background: var(--color-bg-upload);
}

.navItem.active {
  color: var(--color-primary);
  background: var(--color-sidebar-active);
}

/* Bottom section */
.bottom {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding-bottom: 8px;
}

/* Quota display — 今日剩余生成次数（v0.10.0 起次数制） */
.quota {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  cursor: pointer;
  padding: 8px 4px;
  border-radius: 8px;
  transition: background 0.15s;
  min-width: 56px;
}

.quota:hover {
  background: var(--color-bg-upload);
}

.quotaNumber {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text-primary);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.5px;
}

.quotaLabel {
  font-size: 10px;
  color: var(--color-text-secondary);
  white-space: nowrap;
  letter-spacing: 0.5px;
}

/* Theme toggle (moon/sun) */
.themeToggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: color 0.15s, background 0.15s;
  padding: 0;
}

.themeToggle:hover {
  color: var(--color-primary);
  background: var(--color-bg-card);
}

/* Admin button */
.adminBtn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  color: var(--color-text-disabled);
  cursor: pointer;
  transition: color 0.15s, background 0.15s;
}

.adminBtn:hover {
  color: var(--color-primary);
  background: var(--color-bg-card);
}

/* User avatar */
.avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-on-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s;
}

.avatar:hover {
  opacity: 0.85;
}

@media (max-width: 767px) {
  .sidebar {
    display: none;
  }
}