/* Trial app shell: the original app base and top navigation remain available. */
.app-layout--sidenav {
  --app-sidenav-width: 15rem;
  --app-sidenav-rail-width: 3.75rem;
  --app-bottom-ui-height: var(--footer-height);
  grid-template-columns: var(--app-sidenav-width) minmax(0, 1fr);
  grid-template-rows: var(--topnav-height) minmax(0, 1fr) var(--footer-height);
  transition: grid-template-columns var(--duration-normal) var(--ease-default);
}

html[data-sidebar="closed"] .app-layout--sidenav {
  grid-template-columns: var(--app-sidenav-rail-width) minmax(0, 1fr);
}

.app-sidenav {
  grid-column: 1;
  grid-row: 1 / 4;
  position: sticky;
  top: 0;
  z-index: calc(var(--z-sticky) + 1);
  display: flex;
  flex-direction: column;
  width: var(--app-sidenav-width);
  height: 100vh;
  height: 100dvh;
  overflow: visible;
  background: var(--bg-surface);
  border-right: 1px solid var(--border-default);
  box-shadow: var(--shadow-sm);
  transition: width var(--duration-normal) var(--ease-default),
    transform var(--duration-normal) var(--ease-default),
    visibility var(--duration-normal) var(--ease-default);
}

html[data-theme="dark"] .app-sidenav {
  background: var(--bg-secondary);
}

@media (min-width: 1025px) {
  html[data-sidebar="closed"] .app-sidenav {
    width: var(--app-sidenav-rail-width);
  }

  html[data-sidebar="closed"] .app-sidenav-header {
    justify-content: center;
    padding: 0;
  }

  html[data-sidebar="closed"] .app-sidenav-brand {
    justify-content: center;
    width: 100%;
  }

  html[data-sidebar="closed"] .app-sidenav-brand span,
  html[data-sidebar="closed"] .app-sidenav-close,
  html[data-sidebar="closed"] .app-sidenav-heading,
  html[data-sidebar="closed"] .app-sidenav-link span {
    display: none;
  }

  html[data-sidebar="closed"] .app-sidenav-content {
    padding: var(--space-4) 0.3rem;
  }

  html[data-sidebar="closed"] .app-sidenav-bottom {
    padding: var(--space-2) 0.3rem;
  }

  html[data-sidebar="closed"] .app-sidenav-link {
    justify-content: center;
    width: 2.5rem;
    min-height: 2.5rem;
    margin: 0 auto;
    padding: 0;
  }
}

.app-sidenav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  min-height: var(--topnav-height);
  padding: 0 var(--space-3);
  border-bottom: 1px solid var(--border-subtle);
}

.app-sidenav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-width: 0;
  color: var(--text-primary);
  font-family: var(--font-brand);
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  letter-spacing: 0.02em;
  text-decoration: none;
  white-space: nowrap;
}

.app-sidenav-logo {
  width: 2rem;
  height: 2rem;
  object-fit: contain;
  flex-shrink: 0;
}

.app-sidenav-close,
.app-sidenav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  flex-shrink: 0;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background-color var(--duration-normal) var(--ease-default),
    color var(--duration-normal) var(--ease-default);
}

.app-sidenav-close:hover,
.app-sidenav-toggle:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.app-sidenav-close svg,
.app-sidenav-toggle svg {
  width: 18px;
  height: 18px;
  color: inherit;
}

.app-sidenav-content {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: var(--space-5) var(--space-3);
}

.app-sidenav-heading {
  padding: 0 var(--space-3);
  margin-bottom: var(--space-2);
  color: var(--text-muted);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.app-sidenav-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.app-sidenav-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-height: 2.65rem;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  text-decoration: none;
  transition: background-color var(--duration-normal) var(--ease-default),
    color var(--duration-normal) var(--ease-default);
}

.app-sidenav-link svg,
.app-sidenav-link [data-lucide] {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: inherit;
}

.app-sidenav-link:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.app-sidenav-link.active {
  background: var(--accent-muted);
  color: var(--accent);
  font-weight: var(--font-semibold);
  box-shadow: inset 0 0 0 1px var(--border-accent);
}

.app-sidenav-group {
  position: relative;
}

.app-sidenav-sublinks {
  display: grid;
  gap: var(--space-1);
  margin: var(--space-2) 0 var(--space-3);
  padding-left: 2.85rem;
}

.app-sidenav-sublink {
  display: block;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: var(--text-base);
  line-height: 1.3;
  text-decoration: none;
}

.app-sidenav-sublink:hover,
.app-sidenav-sublink.active {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.app-sidenav-sublink.active {
  color: var(--accent);
  font-weight: var(--font-semibold);
}

@media (min-width: 1025px) {
  html[data-sidebar="closed"] .app-sidenav-sublinks {
    display: none;
  }

  html[data-sidebar="closed"] .app-sidenav-group:hover .app-sidenav-sublinks,
  html[data-sidebar="closed"] .app-sidenav-group:focus-within .app-sidenav-sublinks {
    position: absolute;
    top: 0;
    left: calc(100% + 0.5rem);
    z-index: calc(var(--z-modal) - 1);
    display: grid;
    width: 12rem;
    margin: 0;
    padding: 0.45rem;
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
  }

  html[data-theme="dark"][data-sidebar="closed"] .app-sidenav-sublinks {
    background: var(--bg-secondary);
  }
}

.app-sidenav-bottom {
  padding: var(--space-3);
  border-top: 1px solid var(--border-subtle);
}

.app-layout--sidenav .app-sidenav-topbar {
  grid-column: 2;
  grid-row: 1;
  min-width: 0;
}

.app-sidenav-topbar-left {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
}

.app-sidenav-page-title {
  overflow: hidden;
  color: var(--text-primary);
  font-family: var(--font-brand);
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.app-layout--sidenav .app-main {
  grid-column: 2;
  grid-row: 2;
  min-width: 0;
  min-height: 0;
}

.app-layout--sidenav .app-footer {
  grid-column: 2;
  grid-row: 3;
  min-width: 0;
}

.app-sidenav-overlay {
  display: none;
}

@media (max-width: 1024px) {
  .app-layout--sidenav,
  html[data-sidebar="closed"] .app-layout--sidenav {
    --app-bottom-ui-height: 0px;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: var(--topnav-height) minmax(0, 1fr);
  }

  .app-layout--sidenav .app-sidenav-topbar,
  .app-layout--sidenav .app-main {
    grid-column: 1;
  }

  .app-sidenav,
  html[data-sidebar="closed"] .app-sidenav {
    position: fixed;
    top: 0;
    left: 0;
    width: min(17rem, 85vw);
    z-index: var(--z-modal);
    transform: translateX(-100%);
    visibility: hidden;
  }

  .app-sidenav.is-mobile-open,
  html[data-sidebar="closed"] .app-sidenav.is-mobile-open {
    transform: translateX(0);
    visibility: visible;
  }

  .app-sidenav-overlay {
    display: block;
    position: fixed;
    inset: 0;
    z-index: var(--z-modal-backdrop);
    background: rgba(0, 0, 0, 0.48);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--duration-normal) var(--ease-default),
      visibility var(--duration-normal) var(--ease-default);
  }

  .app-sidenav-drawer-open .app-sidenav-overlay {
    opacity: 1;
    visibility: visible;
  }

  .app-sidenav-drawer-open {
    overflow: hidden;
  }
}

@media (max-width: 600px) {
  .app-sidenav-topbar .app-sidenav-page-title,
  .app-sidenav-topbar .topnav-mobile-status {
    display: none;
  }
}