.app-theme {
    --tp-help-w: var(--tp-help-user-w);
}

.app-shell {
    display: flex;
}

.app-shell-main {
    flex: 1 1 auto;
    min-width: 0;
}

.help-panel {
    flex: 0 0 auto;
    width: 0;
    align-self: flex-start;
    position: sticky;
    top: 0;
    height: 100dvh;
    display: flex;
    flex-direction: column;
    min-height: 0;
    overflow: clip;
    overflow-clip-margin: 0;
    border-inline-start: 0 solid var(--tp-border);
    background-color: var(--tp-surface);
    transition:
        width var(--tp-dur) var(--tp-ease),
        border-inline-start-width var(--tp-dur) var(--tp-ease);
}

.help-panel.is-open {
    width: var(--tp-help-w);
    border-inline-start-width: 1px;
    overflow-clip-margin: 6px;
}

.help-panel > * {
    opacity: 0;
    transition: opacity var(--tp-dur-fast) var(--tp-ease);
}

.help-panel.is-open > * {
    opacity: 1;
    transition-delay: var(--tp-dur-fast);
}

.app-theme .mud-dialog-container {
    transition: width var(--tp-dur) var(--tp-ease);
}

.app-theme .mud-overlay {
    transition-property: right, opacity;
    transition-duration: var(--tp-dur);
    transition-timing-function: var(--tp-ease);
}

.app-theme[data-help-open='true'] .mud-dialog-container {
    width: calc(100% - var(--tp-help-w));
}

.app-theme[data-help-open='true'] .mud-overlay {
    right: var(--tp-help-w);
}

@media (max-width: 900px) {
    .app-theme {
        --tp-help-w: 100vw;
    }

    .help-panel {
        position: fixed;
        inset: 0;
        width: 100vw;
        z-index: calc(var(--mud-zindex-dialog) + 1);
        transform: translateX(100%);
        transition: transform var(--tp-dur) var(--tp-ease);
    }

    .help-panel.is-open {
        transform: translateX(0);
    }

    .help-panel .epos-resizer {
        display: none;
    }

    .app-theme[data-help-open='true'] .mud-dialog-container {
        width: 100%;
    }

    .app-theme[data-help-open='true'] .mud-overlay {
        right: 0;
    }
}

@media (prefers-reduced-motion: reduce) {
    .help-panel,
    .help-panel > *,
    .app-theme .mud-dialog-container,
    .app-theme .mud-overlay {
        transition: none;
    }
}

.help-panel:has(.epos-resizer.is-resizing) {
    transition: none;
}

.help-button {
    display: inline-flex;
    color: var(--tp-text-faint);
    transition: color var(--tp-dur-fast) ease;
}

.help-button:hover,
.help-button:focus-within {
    color: var(--tp-primary);
}