.main .left {
    min-width: 250px;
    border-right: 1px solid var(--border2-color);
    display: flex;
    flex-direction: column;
}

/* modules */
    .left .module_container
    {
        display: flex;
        justify-content: center;
        align-items: center;
        flex-direction: column;
        gap: 10px;
        padding: 5px 15px 20px 15px;
        border-bottom: 1px solid var(--border2-color);
    }

    .module_header 
    {
        width: 100%;
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 5px;
        font-size: 11px;
        color: var(--muted2);
        padding: 5px 0;
    }

    .module_header .version 
    {
        border: 1px solid var(--border2-color);
        padding: 3px 5px;
    }

    .module_group
    {
        width: 100%;
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 5px;
        font-size: 14px;
        padding: 5px 10px;
        color: var(--text);
        background-color: var(--panel);
        border: none;
    }

    .module_group:hover
    {
        background-color: var(--hover);
        color: var(--text);
        cursor: pointer;
        box-shadow: 0 0 1px 1px var(--border-color);
    }

    .module_group.active
    {
        background-color: var(--selected);
        color: var(--text);
        box-shadow: 0 0 1px 1px var(--selected-border);
    }

    .module_group .module_info
    {
        border: 1px solid var(--border2-color);
        padding: 3px 5px;
        font-size: 10px;
    }

    .module_group.module_link
    {
        text-decoration: none;
    }

    .module_group.module_link_external .module_info
    {
        border-color: var(--selected-border);
        color: var(--muted);
    }

/* options */
    .left-middle_container
    {
        width: 100%;
        flex: 1;
        overflow-y: scroll;
    }

    .left-middle_container::-webkit-scrollbar
    {
        display: none;
    }

    .left .options_container
    {
        width: 100%;
        display: flex;
        justify-content: center;
        align-items: center;
        flex-direction: column;
        flex: 1;
        gap: 10px;
        padding: 5px 10px 20px 10px;
        border-bottom: 1px solid var(--border2-color);
    }

    .left .options_header
    {
        width: 100%;
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 5px;
        font-size: 11px;
        color: var(--muted);
        padding: 5px 0;
    }

    .left .options_header .option_tag
    {
        border: 1px solid var(--stroke);
        padding: 3px 5px;
        color: var(--muted);
    }

    .options_container .option_group
    {
        width: 100%;
        display: flex;
        flex-direction: column;
        gap: 5px;
        font-size: 14px;
        padding: 10px;
        color: var(--text);
        background-color: var(--card-bg);
        border: 1px solid var(--border2-color);
    }

    .options_container .option_group .group_header 
    {
        font-size: 12px;
        font-weight: bold;
    }

    .options_container .option_group .group_content
    {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
        font-size: 11px;
        line-height: 1.3;
    }
/* Account */
    .left .account_container
    {
        width: 100%;
        height: fit-content;
        /* Keep account/subscription control pinned to the bottom of the left rail. */
        margin-top: auto;
        padding: 10px 15px;
        border: none;
        border-top: 1px solid var(--border2-color);
        display: flex;
        justify-content: space-between;
        align-items: center;
        outline: none;
        background-color: var(--card-bg);
    }

    .left .account_container:hover
    {
        background-color: var(--hover);
        color: var(--text);
        cursor: pointer;
        box-shadow: 0 0 1px 1px var(--border2-color);
    }

    .left .account_container:active
    {
        background-color: var(--selected);
        box-shadow: 0 0 1px 1px var(--selected-border);
    }

    .account_container .icon
    {
        display: flex;
        justify-content: space-between;
        align-items: center;
        font-size: 32px;
        color: var(--panel);
        background-color: var(--primary-border);
        border-radius: 3px;
        padding: 0 3px;
    }

    .account_container .stats
    {
        display: flex;
        justify-content: space-between;
        align-items: center;
        font-size: 20px;
        color: var(--text);
        font-weight: 600;
    }