/* ==========================================================================
   SEDLEX AI — Page Tree Shortcode (front-end)
   ========================================================================== */

/* ------------------------------------------------------------------ */
/*  Container                                                          */
/* ------------------------------------------------------------------ */

.sedlex-page-tree {
    font-family: var(--font-sans, 'IBM Plex Sans', system-ui, -apple-system, sans-serif);
    font-size: 15px;
    line-height: 1.6;
    margin: 1.5em 0;
    padding: 1em 1.2em;
    background: var(--surface, #FCFAF5);
    border: 1px solid var(--line, #E3D8C5);
    border-radius: var(--r-md, 8px);
}

/* ------------------------------------------------------------------ */
/*  Lists                                                              */
/* ------------------------------------------------------------------ */

.sedlex-tree-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.sedlex-tree-list .sedlex-tree-list {
    margin-left: 1.4em;
    padding-left: 0.8em;
    border-left: 2px solid var(--line-strong, #D3C5AC);
}

/* ------------------------------------------------------------------ */
/*  Items                                                              */
/* ------------------------------------------------------------------ */

.sedlex-tree-item {
    position: relative;
    padding: 3px 0;
}

/* ------------------------------------------------------------------ */
/*  Toggle icon (▶ / ▼ / bullet)                                      */
/* ------------------------------------------------------------------ */

.sedlex-tree-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    margin-right: 4px;
    cursor: pointer;
    user-select: none;
    border-radius: 3px;
    vertical-align: middle;
    transition: background 0.15s;
    font-size: 11px;
    color: var(--ink-500, #6E6457);
}

.sedlex-tree-toggle:hover {
    background: var(--paper-deep, #F0E9DB);
}

/* Open state — down arrow */
.sedlex-tree-toggle.sedlex-tree-open::before {
    content: "▼";
}

/* Closed state — right arrow */
.sedlex-tree-toggle.sedlex-tree-closed::before {
    content: "▶";
}

/* Leaf node — dot */
.sedlex-tree-toggle.sedlex-tree-leaf {
    cursor: default;
}

.sedlex-tree-toggle.sedlex-tree-leaf::before {
    content: "●";
    font-size: 7px;
    color: var(--ink-400, #938876);
}

.sedlex-tree-toggle.sedlex-tree-leaf:hover {
    background: transparent;
}

/* ------------------------------------------------------------------ */
/*  Links                                                              */
/* ------------------------------------------------------------------ */

.sedlex-tree-link {
    text-decoration: none;
    color: var(--ink-700, #423A31);
    vertical-align: middle;
    transition: color 0.15s, background 0.15s;
    padding: 2px 6px;
    border-radius: 3px;
}

a.sedlex-tree-link:hover {
    color: var(--bordeaux-700, #631622);
    background: var(--bordeaux-tint, #F1E1DE);
    text-decoration: none;
}

/* Ancestor styling */
.sedlex-tree-link-ancestor {
    color: var(--ink-500, #6E6457);
    font-weight: 400;
}

a.sedlex-tree-link-ancestor:hover {
    color: var(--bordeaux-700, #631622);
}

/* Current page — not a link, highlighted */
.sedlex-tree-link-current {
    display: inline-block;
    font-weight: 700;
    color: var(--bordeaux-700, #631622);
    background: var(--bordeaux-tint, #F1E1DE);
    padding: 2px 10px;
    border-radius: 4px;
    border-left: 3px solid var(--bordeaux-600, #7C1E2C);
}

/* Descendant styling */
.sedlex-tree-link-descendant {
    color: var(--ink-700, #423A31);
    font-weight: 500;
}

/* ------------------------------------------------------------------ */
/*  Collapsed state                                                    */
/* ------------------------------------------------------------------ */

.sedlex-tree-item.sedlex-tree-collapsed > .sedlex-tree-list {
    display: none;
}

/* ------------------------------------------------------------------ */
/*  Responsive                                                         */
/* ------------------------------------------------------------------ */

@media screen and (max-width: 600px) {
    .sedlex-page-tree {
        font-size: 14px;
        padding: 0.8em;
    }

    .sedlex-tree-list .sedlex-tree-list {
        margin-left: 1em;
        padding-left: 0.5em;
    }
}