.hiisi-brand {
  display: inline-flex;
  align-items: center;
  gap: 0;
  justify-self: start;
  text-decoration: none;
  white-space: nowrap;
}

.hiisi-brand__mark {
  display: none;
}

.hiisi-brand__name {
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: var(--weight-strong);
  letter-spacing: 0.04em;
  text-transform: none;
}

.hiisi-app-nav__brand .hiisi-brand {
  gap: 0.7rem;
  color: var(--ink);
}

.hiisi-app-nav__brand .hiisi-brand__mark {
  display: inline-grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #002115;
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1;
}

.hiisi-app-nav__brand .hiisi-brand__name {
  color: var(--ink);
  font-family: var(--font-body);
  font-size: clamp(1.35rem, 2vw, 1.8rem);
  font-weight: 800;
  letter-spacing: 0;
}

.hiisi-site-nav,
.hiisi-landing-nav,
.hiisi-app-nav,
.hiisi-auth-nav,
.hiisi-public-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  width: 100%;
  margin: 0;
  box-sizing: border-box;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.65rem 0.8rem;
  align-items: center;
  padding: 0.95rem clamp(0.65rem, 1.4vw, 1.1rem) 0.8rem;
  background: color-mix(in srgb, var(--paper) 78%, transparent 22%);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--rule-strong);
}

.hiisi-landing-nav {
  position: static;
  top: auto;
  background: transparent;
  backdrop-filter: none;
  border-bottom: none;
}

@media (min-width: 901px) {
  .hiisi-app-nav {
    column-gap: clamp(1.35rem, 2.2vw, 2.2rem);
  }
}

@media (max-width: 640px) {
  .hiisi-app-nav__brand .hiisi-brand {
    gap: 0.45rem;
  }

  .hiisi-app-nav__brand .hiisi-brand__mark {
    width: 1.65rem;
    height: 1.65rem;
    font-size: 0.85rem;
  }

  .hiisi-app-nav__brand .hiisi-brand__name {
    font-size: 1rem;
  }
}

.hiisi-site-nav__shell {
  position: relative;
  min-width: 0;
  justify-self: end;
}

.hiisi-landing-nav__desktop,
.hiisi-auth-nav__desktop,
.hiisi-public-nav__desktop {
  display: flex;
  justify-self: stretch;
  justify-content: flex-end;
  align-items: center;
  min-width: 0;
  width: 100%;
}

.hiisi-app-nav__desktop {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.65rem;
  min-width: 0;
  justify-self: stretch;
  width: 100%;
}

.hiisi-landing-nav__mobile,
.hiisi-app-nav__mobile,
.hiisi-auth-nav__mobile,
.hiisi-public-nav__mobile {
  display: none;
  min-width: 0;
}

.hiisi-site-nav__panel {
  min-width: 0;
}

.hiisi-site-nav__summary {
  display: none;
  position: relative;
  box-sizing: border-box;
  align-content: center;
  justify-content: center;
  gap: 0.23rem;
  width: 2.55rem;
  height: 2.55rem;
  min-width: 2.55rem;
  min-height: 2.55rem;
  padding: 0.55rem;
  overflow: hidden;
  border: 1px solid var(--rule);
  background: color-mix(in srgb, var(--paper-strong) 82%, transparent 18%);
  color: var(--muted);
  font-size: var(--text-caption);
  font-weight: var(--weight-strong);
  letter-spacing: 0.1em;
  line-height: 1.2;
  text-transform: uppercase;
  cursor: pointer;
  user-select: none;
  list-style: none;
  list-style-type: none;
  appearance: none;
  -webkit-appearance: none;
}

.hiisi-site-nav__summary::before,
.hiisi-site-nav__summary::after {
  display: none !important;
  content: none !important;
}

.hiisi-site-nav__summary::-webkit-details-marker {
  display: none !important;
  width: 0;
  height: 0;
  margin: 0;
}

.hiisi-site-nav__summary::marker {
  content: "";
  font-size: 0;
}

.hiisi-site-nav__summary:hover,
.hiisi-site-nav__summary:focus-visible,
.hiisi-site-nav__shell[open] > .hiisi-site-nav__summary {
  color: var(--ink);
  border-color: var(--rule-strong);
  background: color-mix(in srgb, var(--panel-strong) 88%, transparent 12%);
}

.hiisi-site-nav__shell[open] > .hiisi-site-nav__summary .hiisi-mobile-menu__trigger-line:first-child {
  transform: translateY(0.29rem) rotate(45deg) scaleX(0.88);
}

.hiisi-site-nav__shell[open] > .hiisi-site-nav__summary .hiisi-mobile-menu__trigger-line:nth-child(2) {
  opacity: 0;
}

.hiisi-site-nav__shell[open] > .hiisi-site-nav__summary .hiisi-mobile-menu__trigger-line:last-child {
  transform: translateY(-0.29rem) rotate(-45deg) scaleX(0.88);
}

.hiisi-site-nav__brand,
.hiisi-site-nav__controls,
.hiisi-landing-nav__brand,
.hiisi-app-nav__brand,
.hiisi-auth-nav__brand,
.hiisi-public-nav__brand,
.hiisi-landing-nav__controls,
.hiisi-app-nav__links,
.hiisi-app-nav__controls,
.hiisi-auth-nav__controls,
.hiisi-public-nav__controls {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin: 0;
  padding: 0;
  min-width: 0;
  list-style: none;
}

.hiisi-site-nav__controls {
  justify-self: end;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.hiisi-landing-nav__panel,
.hiisi-auth-nav__panel,
.hiisi-public-nav__panel {
  display: flex;
  justify-content: flex-end;
  min-width: 0;
}

.hiisi-landing-nav__controls,
.hiisi-auth-nav__controls,
.hiisi-public-nav__controls {
  min-width: 0;
  flex-wrap: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
}

.hiisi-landing-nav__controls::-webkit-scrollbar,
.hiisi-auth-nav__controls::-webkit-scrollbar,
.hiisi-public-nav__controls::-webkit-scrollbar {
  display: none;
}

.hiisi-landing-nav__controls > li,
.hiisi-auth-nav__controls > li,
.hiisi-public-nav__controls > li {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
}

.hiisi-landing-nav__auth-pair {
  gap: 0.45rem;
}

.hiisi-site-nav__utility {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.hiisi-landing-nav__controls > .hiisi-site-nav__utility--theme,
.hiisi-app-nav__controls > .hiisi-site-nav__utility--theme,
.hiisi-auth-nav__controls > .hiisi-site-nav__utility--theme,
.hiisi-public-nav__controls > .hiisi-site-nav__utility--theme {
  margin-inline-start: 0.35rem;
  padding-inline-start: 0.7rem;
  border-inline-start: 1px solid var(--rule);
}

.hiisi-site-nav__utility--suggested::before {
  content: "";
  position: absolute;
  inset: -0.24rem;
  border: 1px solid rgba(var(--hiisi-accent-rgb), 0.26);
  background: rgba(var(--hiisi-accent-rgb), 0.05);
  pointer-events: none;
}

.hiisi-mobile-menu {
  display: none;
  position: relative;
  justify-self: end;
  min-width: 0;
}

.hiisi-mobile-menu__trigger {
  display: inline-grid;
  position: relative;
  box-sizing: border-box;
  align-content: center;
  justify-content: center;
  gap: 0.23rem;
  width: 2.55rem;
  height: 2.55rem;
  min-width: 2.55rem;
  min-height: 2.55rem;
  padding: 0.55rem;
  overflow: hidden;
  border: 1px solid var(--rule);
  background: color-mix(in srgb, var(--paper-strong) 86%, transparent 14%);
  color: var(--ink);
  cursor: pointer;
  list-style: none;
  list-style-type: none;
  appearance: none;
  -webkit-appearance: none;
}

.hiisi-mobile-menu__trigger::before,
.hiisi-mobile-menu__trigger::after {
  display: none !important;
  content: none !important;
}

.hiisi-mobile-menu__trigger::-webkit-details-marker {
  display: none !important;
  width: 0;
  height: 0;
  margin: 0;
}

.hiisi-mobile-menu__trigger::marker {
  content: "";
  font-size: 0;
}

.hiisi-mobile-menu__trigger-line {
  display: block;
  width: 1.15rem;
  height: 2px;
  background: currentColor;
  transform-origin: center;
  transition: opacity 140ms ease, transform 140ms ease;
}

.hiisi-mobile-menu[open] .hiisi-mobile-menu__trigger {
  border-color: var(--rule-strong);
  background: color-mix(in srgb, var(--panel-strong) 90%, transparent 10%);
}

.hiisi-mobile-menu[open] .hiisi-mobile-menu__trigger-line:first-child {
  transform: translateY(0.29rem) rotate(45deg) scaleX(0.88);
}

.hiisi-mobile-menu[open] .hiisi-mobile-menu__trigger-line:nth-child(2) {
  opacity: 0;
}

.hiisi-mobile-menu[open] .hiisi-mobile-menu__trigger-line:last-child {
  transform: translateY(-0.29rem) rotate(-45deg) scaleX(0.88);
}

.hiisi-mobile-menu__drawer {
  display: none;
  position: absolute;
  top: calc(100% + 0.65rem);
  right: 0;
  width: min(20rem, calc(100vw - 1.3rem));
  box-sizing: border-box;
  padding: 0.65rem;
  border: 1px solid var(--rule-strong);
  background: color-mix(in srgb, var(--panel-strong) 97%, var(--paper) 3%);
  box-shadow: var(--surface-shadow-strong);
  z-index: 50;
}

.hiisi-mobile-menu[open] > .hiisi-mobile-menu__drawer {
  display: grid;
  gap: 0.65rem;
}

.hiisi-mobile-menu__links {
  display: grid;
  gap: 0.35rem;
}

.hiisi-mobile-menu .hiisi-mobile-menu__link {
  display: flex;
  align-items: center;
  min-height: 2.65rem;
  padding: 0.72rem 0.85rem;
  border: 1px solid var(--rule);
  background: color-mix(in srgb, var(--paper) 88%, transparent 12%);
  color: var(--ink);
  font-size: var(--text-body);
  font-weight: var(--weight-strong);
  letter-spacing: 0;
  line-height: 1.25;
  text-transform: none;
  white-space: normal;
}

.hiisi-mobile-menu .hiisi-mobile-menu__link:hover,
.hiisi-mobile-menu .hiisi-mobile-menu__link:focus-visible {
  border-color: color-mix(in srgb, var(--accent) 34%, var(--rule-strong) 66%);
  background: color-mix(in srgb, var(--accent) 7%, var(--panel-strong) 93%);
}

.hiisi-mobile-menu__actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.45rem;
}

.hiisi-mobile-menu__actions--single {
  grid-template-columns: minmax(0, 1fr);
}

.hiisi-mobile-menu .hiisi-mobile-menu__actions a {
  min-width: 0;
  letter-spacing: 0;
  text-transform: none;
}

.hiisi-mobile-menu__actions sl-button,
.hiisi-mobile-menu__actions sl-dropdown {
  width: 100%;
}

.hiisi-mobile-menu__actions sl-button::part(base),
.hiisi-mobile-menu__actions .hiisi-app-nav__control-trigger::part(base) {
  width: 100%;
  min-height: 2.55rem;
  justify-content: center;
}

.hiisi-mobile-menu__utilities {
  display: grid;
  gap: 0.5rem;
  padding-top: 0.65rem;
  border-top: 1px solid var(--rule);
}

.hiisi-mobile-menu__utility {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 2.55rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--rule);
  background: color-mix(in srgb, var(--paper) 88%, transparent 12%);
}

.hiisi-mobile-menu__utility--suggested::before {
  content: "";
  position: absolute;
  inset: -0.18rem;
  border: 1px solid rgba(var(--hiisi-accent-rgb), 0.26);
  background: rgba(var(--hiisi-accent-rgb), 0.05);
  pointer-events: none;
}

.hiisi-mobile-menu__utility--theme {
  justify-content: flex-start;
}

.hiisi-mobile-menu__utility--language {
  justify-content: flex-start;
}

.hiisi-mobile-menu__utility .theme-toggle,
.hiisi-mobile-menu__utility sl-dropdown {
  width: auto;
  max-width: 100%;
}

.hiisi-mobile-menu__utility--language .hiisi-language-picker__trigger::part(base) {
  width: auto;
  min-width: 3.3rem;
  min-height: 2rem;
  justify-content: center;
}

.hiisi-landing-nav a,
.hiisi-app-nav__link,
.hiisi-auth-nav a,
.hiisi-public-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: var(--text-caption);
  font-weight: var(--weight-strong);
  letter-spacing: 0.1em;
  line-height: 1.2;
  text-transform: uppercase;
  white-space: nowrap;
}

.hiisi-landing-nav a:hover,
.hiisi-landing-nav a:focus-visible,
.hiisi-auth-nav a:hover,
.hiisi-auth-nav a:focus-visible,
.hiisi-public-nav a:hover,
.hiisi-public-nav a:focus-visible,
.hiisi-app-nav__link:hover,
.hiisi-app-nav__link:focus-visible {
  color: var(--ink);
}

.hiisi-app-nav__brand,
.hiisi-app-nav__links,
.hiisi-app-nav__controls {
  margin: 0;
}

.hiisi-app-nav__brand {
  justify-self: start;
}

.hiisi-app-nav__panel {
  min-width: 0;
}

.hiisi-app-nav__mobile-links {
  display: none;
  margin: 0;
  padding: 0;
  list-style: none;
}

.hiisi-app-nav__mobile-links > li {
  display: flex;
}

.hiisi-app-nav__mobile-link {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  width: 100%;
  min-height: 2.25rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--rule);
  background: var(--paper);
  color: var(--muted);
  text-decoration: none;
  font-size: var(--text-caption);
  font-weight: var(--weight-strong);
  letter-spacing: 0.08em;
  line-height: 1.2;
  text-transform: uppercase;
}

.hiisi-app-nav__mobile-link-label {
  min-width: 0;
}

.hiisi-app-nav__mobile-link-lock {
  margin-left: auto;
}

.hiisi-app-nav__mobile-link--active {
  color: var(--ink);
  border-color: rgba(var(--hiisi-accent-rgb), 0.38);
  background: color-mix(in srgb, var(--panel-accent) 22%, var(--paper) 78%);
}

.hiisi-app-nav__mobile-link--review-due {
  position: relative;
}

.hiisi-app-nav__mobile-link--review-due::after {
  content: "";
  width: 0.42rem;
  height: 0.42rem;
  margin-left: auto;
  background: var(--danger);
  border-radius: 999px;
  flex: 0 0 auto;
  animation: hiisi-review-due-dot-pulse 1.8s ease-in-out infinite;
}

.hiisi-app-nav__mobile-link:hover,
.hiisi-app-nav__mobile-link:focus-visible {
  color: var(--ink);
  border-color: var(--rule-strong);
}

.hiisi-app-nav__mobile-utilities {
  display: none;
}

.hiisi-app-nav__links,
.hiisi-app-nav__controls {
  display: flex;
  align-items: center;
  gap: 0.18rem;
}

.hiisi-app-nav__links {
  min-width: 0;
  flex-wrap: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
  position: relative;
  z-index: 0;
}

.hiisi-app-nav__links::-webkit-scrollbar {
  display: none;
}

.hiisi-app-nav__controls {
  justify-content: flex-end;
  flex-wrap: nowrap;
  position: relative;
  z-index: 10;
  isolation: isolate;
}

.hiisi-app-nav__controls > li {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  position: relative;
  z-index: 11;
}

.hiisi-app-nav__controls sl-button,
.hiisi-app-nav__controls sl-dropdown,
.theme-toggle,
#lang-picker-container {
  position: relative;
  z-index: 11;
}

.hiisi-app-nav__controls > li > a,
.hiisi-app-nav__controls > li > form,
.hiisi-landing-nav__controls > li > a,
.hiisi-landing-nav__controls > li > form,
.hiisi-auth-nav__controls > li > a,
.hiisi-auth-nav__controls > li > form,
.hiisi-public-nav__controls > li > a,
.hiisi-public-nav__controls > li > form {
  display: inline-flex;
  align-items: center;
  margin: 0;
}

.hiisi-app-nav__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.5rem;
  border: 1px solid transparent;
}

.hiisi-public-nav__back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 0.65rem;
  border: 1px solid transparent;
}

.hiisi-public-nav__back-link:hover,
.hiisi-public-nav__back-link:focus-visible {
  color: var(--ink);
  border-color: rgba(var(--hiisi-accent-rgb), 0.22);
  background: rgba(var(--hiisi-accent-rgb), 0.07);
}

.hiisi-app-nav__link--active,
.hiisi-app-nav__link.contrast {
  color: var(--ink);
  background: rgba(var(--hiisi-accent-rgb), 0.08);
  border-color: rgba(var(--hiisi-accent-rgb), 0.28);
}

.hiisi-app-nav__link--review-due {
  position: relative;
}

.hiisi-app-nav__link--review-due::after {
  content: "";
  width: 0.42rem;
  height: 0.42rem;
  margin-left: 0.15rem;
  background: var(--danger);
  border-radius: 999px;
  flex: 0 0 auto;
  animation: hiisi-review-due-dot-pulse 1.8s ease-in-out infinite;
}

@keyframes hiisi-review-due-dot-pulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(179, 60, 49, 0);
    transform: scale(1);
  }

  50% {
    box-shadow: 0 0 0 0.28rem rgba(179, 60, 49, 0.18);
    transform: scale(1.18);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hiisi-app-nav__link--review-due::after,
  .hiisi-app-nav__mobile-link--review-due::after {
    animation: none;
  }
}

.hiisi-app-nav__link--locked {
  color: var(--muted);
  opacity: 0.74;
}

.hiisi-app-nav__mobile-links {
  display: none;
}

.hiisi-app-nav__mobile-trigger::part(base),
.hiisi-app-nav__control-trigger::part(base),
.hiisi-language-picker .hiisi-language-picker__trigger::part(base) {
  min-height: 2.35rem;
  height: 2.35rem;
  padding-inline: 0.8rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
}

.hiisi-landing-nav .hiisi-language-picker .hiisi-language-picker__trigger::part(base),
.hiisi-app-nav .hiisi-language-picker .hiisi-language-picker__trigger::part(base),
.hiisi-auth-nav .hiisi-language-picker .hiisi-language-picker__trigger::part(base),
.hiisi-public-nav .hiisi-language-picker .hiisi-language-picker__trigger::part(base) {
  min-height: 2.05rem;
  height: 2.05rem;
  padding-inline: 0.62rem;
  background: color-mix(in srgb, var(--paper-strong) 82%, transparent 18%);
  border-color: var(--rule);
  color: var(--muted);
  box-shadow: none;
}

.hiisi-landing-nav .hiisi-language-picker .hiisi-language-picker__trigger:hover::part(base),
.hiisi-landing-nav .hiisi-language-picker .hiisi-language-picker__trigger:focus-visible::part(base),
.hiisi-app-nav .hiisi-language-picker .hiisi-language-picker__trigger:hover::part(base),
.hiisi-app-nav .hiisi-language-picker .hiisi-language-picker__trigger:focus-visible::part(base),
.hiisi-auth-nav .hiisi-language-picker .hiisi-language-picker__trigger:hover::part(base),
.hiisi-auth-nav .hiisi-language-picker .hiisi-language-picker__trigger:focus-visible::part(base),
.hiisi-public-nav .hiisi-language-picker .hiisi-language-picker__trigger:hover::part(base),
.hiisi-public-nav .hiisi-language-picker .hiisi-language-picker__trigger:focus-visible::part(base) {
  color: var(--ink);
  border-color: var(--rule-strong);
}

.hiisi-site-nav__utility--suggested .hiisi-language-picker .hiisi-language-picker__trigger::part(base) {
  border-color: rgba(var(--hiisi-accent-rgb), 0.42);
  color: var(--ink);
}

.hiisi-app-nav__mobile-link--locked {
  color: var(--muted);
  opacity: 0.74;
}

#lang-picker-container {
  display: inline-flex;
  align-items: center;
}