/* Base sidebar */
.site-nav-flyout {
    touch-action: pan-y;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 60px;
    left: 0;
    bottom: 60px;
    width: var(--flyout-width, 280px);
    background-color: rgba(var(--bs-body-bg-rgb), 0.8);
    border-right: 1px solid var(--bs-border-color);
    transition: transform .50s ease, opacity .50s ease;
    transform: translateX(0);
    opacity: 1.0;
    z-index: 1040;
}

    /* Collapsed */
    .site-nav-flyout.collapsed {
        transform: translateX(-100%);
        opacity: 0;
    }

/* Resize handle */
[data-key="flyout-resize-handle"] {
    touch-action: none;
    z-index: 1041;
    position: absolute;
    right: 0;
    top: 0;
    width: 6px;
    height: 100%;
    cursor: ew-resize;
    background-color: rgba(var(--bs-border-color-rgb), 0.5);
}

body.flyout-pinned main {
    margin-left: 0; /* don't shift entire main; let width handle layout */
    width: calc(100% - var(--flyout-width));
    transition: width .50s ease;
    box-sizing: border-box;
}

body.flyout-collapsed main {
    margin-left: 0;
    width: 100%;
}


/* Mobile full-width */
@media (max-width: 576px) {
    .site-nav-flyout {
        width: 100vw !important;
        max-width: 100vw !important;
        min-width: 100vw !important;
    }

    [data-key="flyout-pin-toggle"] {
        display: none;
    }
}

.sidebar {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    width: auto !important;
    min-width: 200px !important;
    min-height: 0;
    z-index: 1000;
    background-color: transparent; /* var(--bs-body-bg); */
    color: var(--bs-body-color);
    padding: 0;
}

    .sidebar .sidebar-nav-heading {
        margin: 0;
        padding: 0;
        font-size: 1.1rem;
        font-weight: bold;
        color: var(--bs-primary);
        background-color: var(--bs-body);
        border-radius: 0.5rem;
        cursor: pointer;
    }

    .sidebar .menu .submenu .sidebar-nav-heading {
        padding-top: 0.4rem;
    }

    .sidebar .sidebar-nav-link {
        padding: 0px 0px;
        margin: 0px 0px;
        color: var(--bs-link-color);
        background-color: transparent;
        font-size: 0.9rem;
        border: none;
        box-shadow: none;
    }

        .sidebar .sidebar-nav-link:hover {
            color: var(--bs-link-hover-color);
        }

    .sidebar .menu {
        list-style: none;
        padding: 0;
        margin: 0;
    }

        .sidebar .menu.top {
            flex: 1;
            min-height: 0;
            overflow-y: auto;
            overflow-x: hidden;
        }

        .sidebar .menu.bottom {
            flex-shrink: 0;
            padding-top: 0.5rem;
            border-top: 2px solid var(--bs-primary);
        }

        .sidebar .menu.scroll-vertical {
            overflow-y: auto;
        }

        .sidebar .menu li {
            padding: 0;
            margin: 0;
            position: relative;
        }

        .sidebar .menu a {
            text-decoration: none;
            display: block;
        }

            .sidebar .menu a:hover {
                color: var(--bs-link-hover-color);
                background-color: var(--bs-light);
                text-decoration: none;
            }

    .sidebar .submenu {
        list-style: none;
        padding-left: 1.0rem;
        padding-bottom: 0.2rem;
        margin: 0;
    }

/* caret icon rotation + transition for submenu headings */
.site-menu-heading-icon {
    display: inline-block;
    transition: transform .18s ease;
    transform-origin: 50% 50%;
}

.site-menu-heading-icon.rotated {
    transform: rotate(90deg);
}

/* Sidebar links: always reserve left border space (transparent by default)
   so activating the link only toggles border color — no layout shift.
   Remove background/box highlight for selected state; only the left border
   indicates selection. Keep a visible left border on keyboard focus for accessibility. */

.sidebar .sidebar-nav-link {
    box-sizing: border-box;
    display: block;
    border-left: 4px solid transparent; /* always present, transparent when not active */
    padding-left: .75rem;
    background-color: transparent;
    color: inherit;
    text-decoration: none;
    box-shadow: none;
}

/* Active page — only show left border color. Avoid background/outline/box-shadow. */
.sidebar .sidebar-nav-link.active,
.sidebar .sidebar-nav-link[aria-current="page"] {
    border-left-color: var(--bs-primary);
    background-color: transparent; /* remove bounding box */
    color: var(--bs-primary);
    box-shadow: none;
    outline: none;
}

/* Keep hover subtle, but do not add a bounding box that conflicts with "active" look */
.sidebar .sidebar-nav-link:hover {
    background-color: rgba(var(--bs-primary-rgb, 13 110 253), 0.02);
}

/* Keyboard focus: show left border for users navigating via keyboard but do not draw a full box */
.sidebar .sidebar-nav-link:focus,
.sidebar .sidebar-nav-link:focus-visible {
    border-left-color: var(--bs-primary);
    outline: none;
    box-shadow: none;
}