.app-shell {
    display: grid;
    width: 100%;
    min-height: 100vh;
    padding: 0.9375rem var(--workspace-gutter);
    grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
    gap: var(--workspace-gap);
    transition: grid-template-columns var(--transition-base) var(--ease-standard), gap var(--transition-base) var(--ease-standard);
}

.app-main {
    position: relative;
    min-width: 0;
    min-height: calc(100vh - 1.875rem);
}

.app-sidebar {
    position: sticky;
    top: 0.9375rem;
    z-index: var(--z-sidebar);
    display: flex;
    width: var(--sidebar-width);
    height: calc(100vh - 1.875rem);
    min-height: 38rem;
    flex-direction: column;
    background: transparent;
    transition: width var(--transition-base) var(--ease-standard);
}

.app-sidebar__inner {
    display: flex;
    min-height: 100%;
    flex: 1;
    align-items: center;
    flex-direction: column;
    padding: var(--space-2) 0;
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-width: none;
}

.app-sidebar__inner::-webkit-scrollbar {
    display: none;
}

.app-sidebar__utility {
    display: grid;
    gap: var(--space-6);
    justify-items: center;
}

.app-sidebar__utility .ui-icon-button,
.app-sidebar__footer .ui-icon-button {
    width: 2.5rem;
    min-height: 2.5rem;
}

.app-sidebar__brand,
.app-brand {
    display: inline-flex;
    min-width: 0;
    align-items: center;
    gap: var(--space-3);
}

.app-brand__mark {
    position: relative;
    display: grid;
    width: 2rem;
    height: 2rem;
    flex: 0 0 auto;
    place-items: center;
    overflow: hidden;
    border-radius: var(--radius-sm);
    background: var(--color-command);
    box-shadow: var(--shadow-xs);
}

.app-brand__mark-image {
    position: absolute;
    top: 50%;
    left: 50%;
    width: var(--brand-logo-scale);
    height: var(--brand-logo-scale);
    max-width: none;
    transform: translate(-50%, -50%);
    object-fit: cover;
}

.app-brand__copy {
    min-width: 0;
}

.app-brand__name {
    display: block;
    font-size: 1.5000rem;
    font-weight: var(--font-weight-semibold);
    letter-spacing: var(--letter-spacing-tight);
    line-height: var(--line-height-tight);
}

.app-brand__tagline {
    display: block;
    margin-top: var(--space-1);
    color: var(--color-text-muted);
    font-size: var(--font-size-2xs);
    white-space: nowrap;
}

.app-sidebar__nav {
    display: grid;
    flex: 0 0 auto;
    gap: 0.625rem;
    margin-top: var(--space-7);
}

.app-sidebar__footer {
    display: grid;
    margin-top: auto;
    padding-top: var(--space-5);
    place-items: center;
}

.app-sidebar-backdrop {
    position: fixed;
    inset: 0;
    z-index: calc(var(--z-sidebar) - 1);
    display: none;
    width: 100%;
    height: 100%;
    padding: 0;
    background: var(--color-backdrop);
}

@media (min-width: 64rem) {
    .is-sidebar-collapsed .app-shell {
        grid-template-columns: var(--sidebar-collapsed-width) minmax(0, 1fr);
        gap: var(--space-2);
    }

    .is-sidebar-collapsed .app-sidebar {
        width: var(--sidebar-collapsed-width);
    }

    .is-sidebar-collapsed .app-sidebar__utility > :not([data-sidebar-toggle]),
    .is-sidebar-collapsed .app-sidebar__nav,
    .is-sidebar-collapsed .app-sidebar__footer {
        display: none;
    }

    .is-sidebar-collapsed [data-sidebar-toggle] {
        border-color: var(--color-border);
        background: var(--color-glass-control);
        box-shadow: var(--shadow-xs);
    }
}

.app-header {
    position: relative;
    z-index: var(--z-sticky);
    height: var(--header-height);
}

.app-header__inner {
    display: grid;
    width: 100%;
    height: 100%;
    align-items: start;
    grid-template-columns: minmax(15rem, 1fr) auto minmax(11rem, 1fr);
    gap: var(--space-6);
}

.app-header__brand {
    padding-top: var(--space-1);
}

.app-header__command {
    min-width: 0;
    justify-self: center;
}

.app-header__actions {
    display: flex;
    min-width: 0;
    padding-top: var(--space-1);
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-3);
}

.app-header__profile {
    margin-left: var(--space-1);
}

.app-context-notch {
    position: absolute;
    z-index: calc(var(--z-sticky) + 1);
    top: 0;
    left: 50%;
    max-width: calc(100% - 30rem);
    transform: translateX(-50%);
}

.app-mobile-header {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    display: none;
    height: var(--mobile-header-height);
    border-bottom: 1px solid var(--color-glass-border);
    background: var(--color-chrome);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.app-mobile-header__inner {
    display: grid;
    height: 100%;
    padding: 0 var(--space-4);
    align-items: center;
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: var(--space-3);
}

.app-mobile-header__title {
    overflow: hidden;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    text-overflow: ellipsis;
    white-space: nowrap;
}

.app-mobile-header__context {
    display: flex;
    min-width: 0;
    align-items: center;
    gap: var(--space-2);
}

.app-mobile-header__actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-1);
}

.app-mobile-header__brand-mark {
    width: 1.75rem;
    height: 1.75rem;
    border-radius: var(--radius-xs);
}

.app-content {
    width: min(100%, var(--content-max-width));
    min-width: 0;
    margin: 0 auto;
    padding: var(--space-2) 0 var(--space-6);
}

.app-flash {
    width: min(100%, var(--content-max-width));
    margin: var(--space-3) auto 0;
}

.app-footer {
    width: min(100%, var(--content-max-width));
    margin: 0 auto;
    padding: var(--space-3) 0 var(--space-4);
    color: var(--color-text-muted);
    font-size: var(--font-size-xs);
}

.app-footer__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    border-top: 1px solid var(--color-border);
    padding-top: var(--space-3);
}

.app-page--record .app-footer {
    display: none;
}

.app-modal-root:empty {
    display: none;
}

@media (min-width: 64rem) {
    .has-js body.app-page--workspace {
        overflow: hidden;
    }

    .has-js .app-page--workspace .app-shell {
        height: 100vh;
        height: 100dvh;
        min-height: 0;
    }

    .has-js .app-page--workspace .app-main {
        display: flex;
        height: calc(100vh - 1.875rem);
        height: calc(100dvh - 1.875rem);
        min-height: 0;
        flex-direction: column;
    }

    .has-js .app-page--workspace .app-header,
    .has-js .app-page--workspace .app-flash {
        flex: 0 0 auto;
    }

    .has-js .app-page--workspace .app-content {
        min-height: 0;
        flex: 1 1 auto;
        overflow: hidden;
    }

    .has-js .app-page--workspace .app-footer {
        display: none;
    }
}

.app-auth {
    display: grid;
    min-height: 100vh;
    place-items: center;
    padding: var(--space-6);
}

.app-auth__panel {
    width: min(100%, 30rem);
}