.lio-nav {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  inline-size: 220px;
  min-block-size: min(1007px, 100dvh);
  block-size: 100%;
  padding: var(--space-sm);
  padding-block-end: var(--space-base);
  gap: var(--space-md);
  overflow: hidden;
  background: var(--surface);
  color: var(--text);
  border-inline-end: var(--border-w) solid var(--border-subtle);
  font-family: var(--font);
  transition: inline-size 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.lio-nav[data-state="collapsed"] {
  inline-size: 64px;
  align-items: center;
}

.lio-nav__header {
  display: flex;
  align-items: center;
  gap: calc(var(--space-xs) + var(--space-xxs));
  inline-size: 100%;
  min-block-size: 32px;
}

.lio-nav__brand {
  display: flex;
  align-items: center;
  flex: 1 1 auto;
  min-width: var(--space-zero);
  padding-inline: var(--space-xs2);
  overflow: hidden;
}

.lio-nav__logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  inline-size: 32px;
  block-size: 32px;
  flex: none;
  overflow: hidden;
}

.lio-nav__logo img,
.lio-nav__item-icon img,
.lio-nav__toggle-icon img {
  display: block;
  inline-size: 100%;
  block-size: 100%;
}

.lio-nav__brand-label {
  block-size: var(--size-2xl);
  overflow: hidden;
  color: var(--icon-brand-secondary);
  font: var(--heading-m);
  line-height: var(--size-2xl);
  white-space: nowrap;
}

.lio-nav__toggle {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  inline-size: 32px;
  block-size: 32px;
  flex: none;
  padding: var(--space-zero);
  border: 0;
  border-radius: var(--radius-lg);
  background: transparent;
  cursor: pointer;
  transition: background-color 150ms ease, box-shadow 150ms ease;
}

.lio-nav__toggle:hover {
  background: var(--surface-hover);
}

.lio-nav__toggle:focus-visible {
  outline: none;
  box-shadow: var(--ring-brand);
}

.lio-nav__toggle-icon {
  display: inline-flex;
  inline-size: var(--size-lg);
  block-size: var(--size-lg);
}

.lio-nav__toggle--rail {
  display: none;
}

.lio-nav__menu {
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  gap: var(--space-md);
  inline-size: 100%;
  min-inline-size: var(--space-zero);
  min-block-size: var(--space-zero);
  overflow: auto;
  scrollbar-width: none;
}

.lio-nav__menu::-webkit-scrollbar {
  display: none;
}

.lio-nav__section,
.lio-nav__section-items {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  inline-size: 100%;
  min-inline-size: var(--space-zero);
}

.lio-nav__section {
  gap: var(--space-xs2);
}

.lio-nav__section:first-child {
  gap: var(--space-xxs);
}

.lio-nav__section-label {
  inline-size: 100%;
  padding-inline: var(--space-sm);
  padding-block-end: var(--space-xs2);
  color: var(--text-tertiary);
  font: var(--body-s-prominent);
  line-height: 1;
  letter-spacing: 0;
  text-transform: uppercase;
}

.lio-nav__section-items {
  gap: var(--space-xs2);
}

.lio-nav__section:first-child .lio-nav__section-items {
  gap: var(--space-xxs);
}

.lio-nav__item {
  appearance: none;
  display: flex;
  align-items: center;
  inline-size: 100%;
  max-inline-size: 196px;
  min-inline-size: var(--space-zero);
  block-size: 38px;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  overflow: hidden;
  border: var(--border-w) solid transparent;
  border-radius: var(--radius-xl);
  background: transparent;
  color: var(--text);
  font: 500 14px/1.4 var(--font);
  letter-spacing: 0;
  text-align: start;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color 150ms ease, color 150ms ease, box-shadow 150ms ease;
}

.lio-nav__item:hover {
  background: var(--surface-hover);
}

.lio-nav__item:focus-visible {
  outline: none;
  box-shadow: var(--ring-brand);
}

.lio-nav__item[data-state="selected"] {
  background: var(--bg);
  border-color: var(--border-subtle);
  border-radius: var(--radius-xl);
  color: var(--text-brand-secondary);
  font: 600 14px/1.4 var(--font);
  letter-spacing: 0;
}

.lio-nav__item[data-state="selected"] .lio-nav__item-label {
  color: var(--text-brand-secondary);
}

.lio-nav__item[data-state="selected"] .lio-nav__item-icon {
  color: var(--icon-brand-secondary);
}

.lio-nav__item-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  inline-size: 18px;
  block-size: 18px;
  flex: none;
  color: var(--icon);
}

.lio-nav__item-icon svg {
  display: block;
  inline-size: 18px;
  block-size: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.lio-nav__item-label {
  min-width: var(--space-zero);
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text);
}

.lio-nav__footer {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs2);
  inline-size: 100%;
  min-inline-size: var(--space-zero);
  margin-block-start: auto;
}

.lio-nav[data-state="collapsed"] .lio-nav__header {
  justify-content: center;
}

.lio-nav[data-state="collapsed"] .lio-nav__brand {
  flex: none;
  padding-inline: var(--space-zero);
}

.lio-nav[data-state="collapsed"] .lio-nav__brand-label,
.lio-nav[data-state="collapsed"] .lio-nav__section-label,
.lio-nav[data-state="collapsed"] .lio-nav__item-label {
  position: absolute;
  inline-size: var(--size-xxs);
  block-size: var(--size-xxs);
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.lio-nav[data-state="collapsed"] .lio-nav__toggle--header {
  display: none;
}

.lio-nav[data-state="collapsed"] .lio-nav__toggle--rail {
  display: inline-flex;
}

.lio-nav[data-state="collapsed"] .lio-nav__menu {
  align-items: center;
}

.lio-nav[data-state="collapsed"] .lio-nav__section,
.lio-nav[data-state="collapsed"] .lio-nav__section-items,
.lio-nav[data-state="collapsed"] .lio-nav__footer {
  align-items: center;
}

.lio-nav[data-state="collapsed"] .lio-nav__item {
  inline-size: auto;
  justify-content: center;
}

@media (max-width: 720px) {
  .lio-nav {
    inline-size: min(220px, calc(100vw - var(--space-xl2)));
    min-block-size: 100dvh;
    box-shadow: var(--shadow-lg);
  }

  .lio-nav[data-state="collapsed"] {
    inline-size: 64px;
    box-shadow: none;
  }
}