/* The shell owns the live menu. Inner pages retain an invisible placeholder
   because page and board scripts still use their local navbar for layout/state. */
html.shell-content body > .navbar {
    visibility: hidden !important;
    pointer-events: none;
    height: var(--shell-navigation-height, auto);
}
html.shell-content body > .play-navbar-handle { display: none !important; }

html.persistent-shell,
html.persistent-shell body {
    margin: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}
html.persistent-shell #site-content {
    display: block;
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
    background: var(--app-bg);
    color-scheme: inherit;
}
html.persistent-shell body > .navbar {
    position: fixed;
    top: var(--shell-navigation-top, 0px);
    left: 0;
    width: var(--shell-content-width, 100%);
    z-index: 20010;
}
html.persistent-shell body > .navbar.boardOpen,
html.persistent-shell body.phone-landscape-play > .navbar { display: none !important; }
html.persistent-shell body > .navbar.boardOpen.play-navbar-revealed,
html.persistent-shell body.phone-landscape-play > .navbar.play-navbar-revealed {
    display: flex !important;
    top: 0;
    max-height: 100dvh;
    overflow: visible;
    padding-top: env(safe-area-inset-top, 0px);
    box-shadow: 0 4px 16px #0004;
}
html.persistent-shell .play-navbar-handle {
    position: fixed;
    top: env(safe-area-inset-top, 0px);
    left: 50%;
    transform: translateX(-50%);
    z-index: 20011;
    width: 64px;
    height: 24px;
    padding: 0;
    border: 1px solid #8888;
    border-top: 0;
    border-radius: 0 0 10px 10px;
    background: var(--app-bg);
    color: var(--text-primary);
    cursor: pointer;
    touch-action: none;
}
html.persistent-shell body.phone-landscape-play > .play-navbar-handle { left: 33.333%; }
html.persistent-shell .play-navbar-handle[hidden],
html.persistent-shell .play-navbar-handle[aria-expanded="true"] { display: none; }
@media screen and (max-width: 1023px) {
    html.persistent-shell body > .navbar.play-navbar-revealed > .navbar-menu {
        max-height: calc(100dvh - 60px - env(safe-area-inset-top, 0px));
        overflow-y: auto;
    }
}