/* treeview.css */

/* Base container for the treeview instance */
:root, [data-bs-theme=light] {
    & .custom-treeview-wrapper {
        background-color: var(--ctp-latte-mantle);
        border: var(--bs-card-border-width) solid var(--bs-card-border-color);
        padding: 15px;
        border-radius: 5px;
        max-width: 600px;
        margin: 10px auto;
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    }
}

[data-bs-theme=dark] {
    & .custom-treeview-wrapper {
        background-color: var(--ctp-macchiato-mantle);
        border: var(--bs-card-border-width) solid var(--bs-card-border-color);
        padding: 15px;
        border-radius: 5px;
        max-width: 600px;
        margin: 10px auto;
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    }
}
    /* Wrapper for search input and clear button */
    .treeview-search-input-wrapper {
        position: relative;
        margin-bottom: 15px;
        display: flex;
        align-items: center;
    }
    /* Search input specific to the library */
    .treeview-search-input {
        width: 100%;
        padding: 8px 30px 8px 8px;
        border: 1px solid #ccc;
        border-radius: 4px;
        box-sizing: border-box;
        font-size: 0.9em;
    }
    /* Styling for the clear button */
    .treeview-search-clear {
        position: absolute;
        right: 8px; /* Position from the right edge of the wrapper */
        top: 50%; /* Vertically center */
        transform: translateY(-50%); /* Adjust for true vertical centering */
        cursor: pointer;
        color: #888;
        font-size: 1.2em; /* Slightly larger 'x' */
        border: none;
        padding: 0;
        line-height: 1; /* Ensure consistent vertical alignment */
        display: none; /* Hidden by default, shown by JS when text is present */
    }

        .treeview-search-clear:hover {
            color: #555;
        }
    /* Tree structure styling */
    .custom-treeview-wrapper ul {
        list-style: none;
        padding-left: 20px; /* Indent children */
        margin: 0;
    }

    .custom-treeview-wrapper li > ul { /* Only nested ULs get collapse animation */
        height: 0;
        overflow: hidden;
        transition: height 0.3s ease-out;
    }

    .custom-treeview-wrapper li {
        margin: 5px 0;
        position: relative;
        font-size: 0.95em;
        color: var(--bs-body-color);
        cursor: default; /* Default cursor for the LI, actual clickables get specific cursors */
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    /* Wrapper for expander icon and text (flexbox container) */
    .custom-treeview-wrapper .treeview-node-content {
        display: flex; /* Use flexbox for icon and text alignment */
        align-items: center; /* Vertically align icon and text */
        padding-left: 0;
        cursor: pointer; /* Cursor for the clickable node content */
        user-select: none; /* Prevent text selection on node content */
        padding: 2px 0; /* Small vertical padding for clickable area */
    }
        /* Style for non-selectable nodes */
        .custom-treeview-wrapper .treeview-node-content.not-selectable {
            cursor: default; /* Change cursor to default */
            opacity: 0.6; /* Dim the text to indicate it's not interactive */
        }
    /* Style the actual text span for the node name */
    .custom-treeview-wrapper .treeview-node-text {
        flex-grow: 1; /* Allow text to take remaining space */
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    /* Styling for the explicit expander icon element */
    .treeview-expander {
        display: inline-block;
        width: 20px; /* Space for the icon */
        text-align: center;
        color: var(--bs-body-color);
        font-weight: bold;
        cursor: pointer; /* Separate cursor for expander */
        user-select: none;
        flex-shrink: 0; /* Prevent icon from shrinking */
        margin-right: 5px; /* Space between icon and text */
        transition: transform 0.2s ease-in-out; /* Smooth transition for icon */
    }
    /* Styling for the placeholder span for leaf nodes */
    .treeview-expander-placeholder {
        display: inline-block;
        width: 20px; /* Same width as expander for consistent alignment */
        flex-shrink: 0;
        margin-right: 5px;
    }
    /* .custom-treeview-wrapper .treeview-node-content:hover { /* Hover on the content wrapper */
    /*    background-color: #e0e0e0; */
    /* } */

    .custom-treeview-wrapper li * {
        transition: background-color 0.2s ease-in-out;
    }

:root, [data-bs-theme=light] {
    & .custom-treeview-wrapper li.selected > .treeview-node-content { /* Apply selected style to the content wrapper */
        background-color: rgba(30, 102, 245, 0.22);
        color: var(--bs-body-color);
        border-radius: 3px;
    }
}
[data-bs-theme=dark] {
    & .custom-treeview-wrapper li.selected > .treeview-node-content { /* Apply selected style to the content wrapper */
        background-color: rgba(138, 173, 244, 0.22);
        color: var(--bs-body-color);
        border-radius: 3px;
    }
}
    /* For search results */
    .custom-treeview-wrapper li.hidden {
        display: none !important;
    }
    /* Apply highlight to the node content wrapper */
    .custom-treeview-wrapper li.highlight > .treeview-node-content {
        font-style: italic;
        color: #731717;
        border-radius: 3px;
    }
    /* Reset styles for ALL descendant <li> elements of a highlighted <li> */
    .custom-treeview-wrapper li.highlight li {
        font-style: normal;
        color: #333;
        background-color: transparent;
    }
        /* Ensure that if a nested LI is also a match, it still gets its own highlight. */
        .custom-treeview-wrapper li.highlight li.highlight > .treeview-node-content {
            font-style: italic;
            color: #731717;
        }

    .treeview-control-button {
        padding: 8px 15px;
        margin-right: 5px;
        margin-bottom: 3px;
        border: none;
        font-size: 0.9em;
        cursor: pointer;
        transition: background-color 0.2s ease, transform 0.1s ease;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
        flex-grow: 1; /* Allow buttons to grow to fill space */
        min-width: 110px; /* Minimum width for buttons */
        max-width: 48%; /* Max width to allow two columns on wider screens */
    }

        .treeview-control-button:active {
            transform: translateY(1px);
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
        }


    .treeview-checkbox {
        margin-right: 5px; /* Space between checkbox and expander/text */
        flex-shrink: 0; /* Prevent checkbox from shrinking */
        cursor: pointer;
        transform: scale(1.1); /* Slightly larger checkbox */
    }