/*
 * Navigation Theme — Duo Source Project Reskin
 * Presentation-layer only. No routing or logic changes.
 * Loaded after the application's existing stylesheet.
 */

/* =========================================================
   CSS CUSTOM PROPERTIES  (light mode overrides for nav)
   ========================================================= */
:root {
    --nav-theme-width:          280px;
    --nav-theme-bg:             #ffffff;
    --nav-theme-surface:        #f1f1f7;
    --nav-theme-border:         rgba(0,0,0,.07);
    --nav-theme-text:           #1f1f1f;
    --nav-theme-muted:          #6d6d6d;
    --nav-theme-icon:           #4b5563;
    --nav-theme-accent:         #4a89dc;
    --nav-theme-accent-light:   rgba(74,137,220,.12);
    --nav-theme-danger:         #e44;
    --nav-theme-radius-card:    20px;
    --nav-theme-radius-sm:      10px;
    --nav-theme-shadow:         0 8px 24px 0 rgba(0,0,0,.08);
    --nav-theme-logo-height:    150px;
    --nav-theme-divider-font:   Inter, system-ui, sans-serif;
    --nav-item-line-height:     48px;
    --nav-item-icon-size:       32px;
}

/* Dark mode overrides */
body.dark_mode {
    --nav-theme-bg:             #0f1117;
    --nav-theme-surface:        #1a1d24;
    --nav-theme-border:         rgba(255,255,255,.07);
    --nav-theme-text:           #ffffff;
    --nav-theme-muted:          rgba(255,255,255,.55);
    --nav-theme-icon:           #ffffff;
    --nav-theme-accent:         #5d9cec;
    --nav-theme-accent-light:   rgba(93,156,236,.15);
}

/* =========================================================
   NAVIGATION CONTAINER
   ========================================================= */

/* Hidden state — override the original -210px so the offset matches the new width */
.main .side_navigation {
    background: var(--nav-theme-surface);
    border-right: 1px solid var(--nav-theme-border);
}

@media screen and (min-width: 1201px) {
    .main .side_navigation {
        margin-left: calc(-1 * var(--nav-theme-width));
    }

    /* Shown state */
    .main .show_navigation > .side_navigation {
        min-width: var(--nav-theme-width);
        max-width: var(--nav-theme-width);
        display: flex;
        flex-flow: column;
        transition: min-width .25s ease, max-width .25s ease;
    }

    .main .chat_page_container.show_navigation {
        padding-left: var(--nav-theme-width);
        transition: padding-left .25s ease;
    }
}

/* =========================================================
   TOP BAR — Logo + Close Button
   ========================================================= */
.main .side_navigation > .top {
    background: transparent;
    padding: 0;
    border-bottom: none;
    min-height: var(--nav-theme-logo-height);
    max-height: var(--nav-theme-logo-height);
    overflow: hidden;
    position: relative;
    flex: 0 0 var(--nav-theme-logo-height);
    justify-content: flex-start;
    align-items: stretch;
}

/* Logo card — matches source bg-23 gradient card */
.main .side_navigation > .top > .nav-logo-card {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    width: 100%;
    min-height: var(--nav-theme-logo-height);
    background: linear-gradient(135deg, #000428 0%, #004e92 100%);
    /*background: linear-gradient(135deg, #2c3e6e 0%, #4a89dc 100%);*/
    /*border-radius: 0 0 var(--nav-theme-radius-card) var(--nav-theme-radius-card);*/
    padding: 14px 16px 14px 16px;
    position: relative;
    overflow: hidden;
}

.main .side_navigation > .top > .nav-logo-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0) 0%, rgba(0,0,0,0) 20%, rgba(0,0,0,.1) 40%, rgba(0,0,0,.6) 100%);
    pointer-events: none;
}

.main .side_navigation > .top > .nav-logo-card > .nav-logo-content {
    position: relative;
    z-index: 1;
}

.main .side_navigation > .top > .nav-logo-card > .nav-logo-content > .nav-logo-img {
    max-height: 100%;
    max-width: 100%;
    display: block;
    margin-bottom: 4px;
    object-fit: contain;
}

.main .side_navigation > .top > .nav-logo-card > .nav-logo-content > .nav-logo-title {
    display: block;
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1px;
}

.main .side_navigation > .top > .nav-logo-card > .nav-logo-content > .nav-logo-version {
    display: block;
    color: rgba(255,255,255,.7);
    font-size: 12px;
    font-weight: 400;
}

/* Close button repositioned top-right */
.main .side_navigation > .top > .nav-logo-card > .nav-close-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 2;
    color: #fff;
    opacity: .8;
    cursor: pointer;
    padding: 4px;
    line-height: 1;
    transition: opacity .2s;
}

.main .side_navigation > .top > .nav-logo-card > .nav-close-btn:hover {
    opacity: 1;
}

.main .side_navigation > .top > .nav-logo-card > .nav-close-btn svg {
    width: 20px;
    height: 20px;
    display: block;
}

/* Hide old icon wrapper */
.main .side_navigation > .top > .icon {
    display: none;
}

/* Hide old logo wrapper */
.main .side_navigation > .top > .logo {
    display: none;
}

/* =========================================================
   USER PROFILE CARD
   ========================================================= */
.main .side_navigation .nav-user-card {
    margin: 12px 12px 0 12px;
    background: var(--nav-theme-bg);
    border-radius: var(--nav-theme-radius-card);
    box-shadow: var(--nav-theme-shadow);
    padding: 10px 12px;
    flex-shrink: 0;
    position: relative;
    transition: background .2s;
    overflow: visible;
}

.main .side_navigation .nav-user-card .nav-user-inner {
    display: flex;
    align-items: center;
    gap: 10px;
}

.main .side_navigation .nav-user-card .nav-user-avatar-wrap {
    position: relative;
    flex-shrink: 0;
}

.main .side_navigation .nav-user-card .nav-user-avatar-wrap img {
    width: 45px;
    height: 45px;
    border-radius: var(--nav-theme-radius-sm);
    object-fit: cover;
    display: block;
    transition: opacity .2s;
}

/* Online indicator dot */
.main .side_navigation .nav-user-card .nav-user-online-dot {
    position: absolute;
    bottom: 1px;
    right: 1px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #4caf50;
    border: 2px solid var(--nav-theme-bg);
}

.main .side_navigation .nav-user-card .nav-user-info {
    flex: 1 1 auto;
    min-width: 0;
    line-height: 1.2;
}

.main .side_navigation .nav-user-card .nav-user-name {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--nav-theme-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.main .side_navigation .nav-user-card .nav-user-username {
    display: block;
    font-size: 12px;
    font-weight: 400;
    color: var(--nav-theme-muted);
    opacity: .7;
}

/* Three-dot menu trigger */
.main .side_navigation .nav-user-card .nav-user-dots {
    flex-shrink: 0;
    position: relative;
    cursor: pointer;
    padding: 6px 4px;
    color: var(--nav-theme-muted);
    font-size: 18px;
    line-height: 1;
    transition: color .2s;
}

.main .side_navigation .nav-user-card .nav-user-dots:hover {
    color: var(--nav-theme-text);
}

/* User Dropdown Menu — replaces bottom .child_menu  */
.main .side_navigation .nav-user-dropdown {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    z-index: 50;
    background: var(--nav-theme-bg);
    border-radius: 0 0 var(--nav-theme-radius-card) var(--nav-theme-radius-card);
    box-shadow: 0 12px 30px rgba(0,0,0,.15);
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    pointer-events: none;
    transition: max-height .25s ease, opacity .2s ease;
}

.main .side_navigation .nav-user-dropdown.show {
    max-height: 500px;
    opacity: 1;
    pointer-events: auto;
}

.main .side_navigation .nav-user-dropdown .nav-user-dropdown-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 14px 8px;
    border-bottom: 1px solid var(--nav-theme-border);
}

.main .side_navigation .nav-user-dropdown .nav-user-dropdown-header span {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--nav-theme-accent);
    letter-spacing: .06em;
    font-family: var(--nav-theme-divider-font);
}

.main .side_navigation .nav-user-dropdown .nav-user-dropdown-header i {
    cursor: pointer;
    color: #e44;
    font-size: 16px;
    line-height: 1;
}

/* Dropdown list items */
.main .side_navigation .nav-user-dropdown ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.main .side_navigation .nav-user-dropdown ul li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 14px;
    cursor: pointer;
    font-size: 13px;
    color: var(--nav-theme-text);
    border-bottom: 1px solid var(--nav-theme-border);
    transition: background .15s;
    position: relative;
}

.main .side_navigation .nav-user-dropdown ul li:last-child {
    border-bottom: none;
}

.main .side_navigation .nav-user-dropdown ul li:hover {
    background: var(--nav-theme-accent-light);
}

.main .side_navigation .nav-user-dropdown ul li i.nav-dd-icon {
    font-size: 15px;
    color: var(--nav-theme-accent);
    width: 18px;
    text-align: center;
    flex-shrink: 0;
}

/* The .menu_item wrapper inside dropdown items (for JS badge compat) */
.main .side_navigation .nav-user-dropdown ul li .menu_item {
    display: flex !important;
    align-items: center !important;
    justify-content: flex-start !important;
    text-align: left !important;
    gap: 10px;
    padding: 0 !important;
    border: none !important;
    background: transparent !important;
    width: 100%;
    line-height: 1 !important;
    min-height: auto !important;
}

/* Dropdown menu_item title — normal weight by default */
.main .side_navigation .nav-user-dropdown ul li .menu_item .title {
    display: inline-block !important;
    font-size: 13px;
    font-weight: 400;
    color: var(--nav-theme-text);
    flex: 1 1 auto;
    text-align: left !important;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: font-weight .15s;
    /* cancel any margin-left from the base side_navigation.css rule */
    margin-left: 0 !important;
}

/* Bold title when item has unread */
.main .side_navigation .nav-user-dropdown ul li .menu_item .title.nav-dd-unread {
    font-weight: 700;
    color: var(--nav-theme-text);
}

/* Badge span inside dropdown .menu_item .unread —
   .nav-dd-unread-badge replaces the old inline style="margin-left:auto;"
   so no bold/active appearance is accidentally inherited from base nav CSS */
.main .side_navigation .nav-user-dropdown ul li .menu_item .unread,
.main .side_navigation .nav-user-dropdown ul li .menu_item .unread.nav-dd-unread-badge {
    display: flex;
    align-items: center;
    margin-left: auto;
    flex-shrink: 0;
}

.main .side_navigation .nav-user-dropdown ul li .menu_item .unread > span {
    font-size: 10px;
    font-weight: 700;
    background: var(--nav-theme-accent);
    color: #fff;
    border-radius: 10px;
    min-width: 18px;
    height: 18px;
    line-height: 18px;
    padding: 0 5px;
    text-align: center;
    font-style: normal;
    display: inline-block;
}

.main .side_navigation .nav-user-dropdown ul li .nav-dd-badge {
    margin-left: auto;
    font-size: 10px;
    font-weight: 700;
    background: var(--nav-theme-accent);
    color: #fff;
    border-radius: 10px;
    min-width: 18px;
    height: 18px;
    line-height: 18px;
    padding: 0 5px;
    text-align: center;
    font-style: normal;
    transition: transform .2s;
}

/* Sentinel list — hidden from view, used only for realtime.js attribute tracking */
.main .side_navigation .nav-sentinel-list {
    display: none !important;
}

/* =========================================================
   NAV BELL — animated notification bell in user card
   Styles ported from bell.css and adapted for nav context.
   ========================================================= */

/* Bell wrapper — hidden by default; shown when nav-bell-active is set by JS */
.main .side_navigation .nav-bell-wrap {
    display: none;
    position: relative;
    width: 32px;
    height: 32px;
    text-align: center;
    flex-shrink: 0;
}

.main .side_navigation .nav-bell-wrap.nav-bell-active {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* Three-dot icon — hidden when bell is active */
.main .side_navigation .nav-dots-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.main .side_navigation .nav-dots-icon.nav-dots-hidden {
    display: none;
}

/* Bell structure */
.main .side_navigation .notification-bell {
    animation: nav-bell-swing 1s 1s both infinite;
    transform-origin: top center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.main .side_navigation .notification-bell * {
    display: block;
    margin: 0 auto;
    background-color: var(--nav-theme-text);
    box-shadow: 0 0 6px var(--nav-theme-text);
}

.main .side_navigation .bell-top {
    width: 5px;
    height: 5px;
    border-radius: 3px 3px 0 0;
}

.main .side_navigation .bell-middle {
    width: 18px;
    height: 18px;
    margin-top: -1px;
    border-radius: 9px 9px 0 0;
}

.main .side_navigation .bell-bottom {
    position: relative;
    z-index: 0;
    width: 22px;
    height: 2px;
}

.main .side_navigation .bell-bottom::before,
.main .side_navigation .bell-bottom::after {
    content: '';
    position: absolute;
    top: -3px;
}

.main .side_navigation .bell-bottom::before {
    left: 1px;
    border-bottom: 3px solid var(--nav-theme-text);
    border-right: 0 solid transparent;
    border-left: 3px solid transparent;
}

.main .side_navigation .bell-bottom::after {
    right: 1px;
    border-bottom: 3px solid var(--nav-theme-text);
    border-right: 3px solid transparent;
    border-left: 0 solid transparent;
}

.main .side_navigation .bell-rad {
    width: 6px;
    height: 3px;
    margin-top: 1px;
    border-radius: 0 0 4px 4px;
    animation: nav-bell-rad 1s 2s both infinite;
}

/* Bell badge count */
.main .side_navigation .nav-bell-wrap .notification-count {
    position: absolute;
    z-index: 1;
    top: -8px;
    right: -8px;
    min-width: 18px;
    height: 18px;
    line-height: 18px;
    font-size: 10px;
    font-weight: 700;
    border-radius: 10px;
    padding: 0 4px;
    background-color: #ff4927;
    color: #fff;
    text-align: center;
    white-space: nowrap;
    pointer-events: none;
}

/* Bell animations */
@keyframes nav-bell-swing {
    0%   { transform: rotate(0); }
    10%  { transform: rotate(25deg); }
    20%  { transform: rotate(0); }
    80%  { transform: rotate(0); }
    90%  { transform: rotate(-25deg); }
    100% { transform: rotate(0); }
}

@keyframes nav-bell-rad {
    0%   { transform: translateX(0); }
    10%  { transform: translateX(5px); }
    20%  { transform: translateX(0); }
    80%  { transform: translateX(0); }
    90%  { transform: translateX(-5px); }
    100% { transform: translateX(0); }
}

/* Respect prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
    .main .side_navigation .notification-bell,
    .main .side_navigation .bell-rad {
        animation: none;
    }
}

/* =========================================================
   SCROLLABLE CENTER
   ========================================================= */
.main .side_navigation > .center {
    flex: 1 1 auto;
    overflow: hidden;
    overflow-y: auto;
    padding: 6px 0 16px 0;
    height: 100%;
    position: relative;
}

/* =========================================================
   SECTION DIVIDERS  (COLLABORATE / PEOPLE / SETTINGS)
   ========================================================= */
.main .side_navigation .nav-section-divider {
    display: block;
    padding: 16px 22px 6px 22px;
    font-size: 10px;
    font-family: var(--nav-theme-divider-font);
    font-weight: 600;
    color: var(--nav-theme-muted);
    opacity: .6;
    text-transform: uppercase;
    letter-spacing: .06em;
}

/* =========================================================
   MENU CARD GROUP
   ========================================================= */
.main .side_navigation .nav-menu-card {
    background: var(--nav-theme-bg);
    border-radius: var(--nav-theme-radius-card);
    box-shadow: var(--nav-theme-shadow);
    overflow: hidden;
    margin: 0 0 4px 0;
}

/* One divider per direct item. The base theme adds zebra borders with
   higher-specificity nth-child selectors, which caused alternating gaps. */
.main .side_navigation .nav-menu-card > .menu_items > li > .menu_item {
    border-top: 0 !important;
    border-bottom: 1px solid var(--nav-theme-border) !important;
}

.main .side_navigation .nav-menu-card > .menu_items > li:last-child > .menu_item {
    border-bottom: 0 !important;
}

/* =========================================================
   MENU ITEMS — reskin of existing li > .menu_item
   ========================================================= */

/* Strip the old zebra striping */
.main .side_navigation .menu_items > li:nth-child(even) > .menu_item {
    background: transparent;
    border-top: none;
    border-bottom: none;
}

/* Base item */
.main .side_navigation .menu_items > li > .menu_item {
    padding: 0 12px 0 12px;
    border-top: none;
    border-bottom: 1px solid var(--nav-theme-border);
    color: var(--nav-theme-muted);
    display: flex;
    align-items: center;
    gap: 10px;
    line-height: var(--nav-item-line-height);
    min-height: var(--nav-item-line-height);
    position: relative;
    transition: background .15s, color .15s;
}

/* Last item in a card group — no bottom border */
.main .side_navigation .nav-menu-card > .menu_items > li:last-child > .menu_item,
.main .side_navigation .nav-menu-card > ul > li:last-child > .menu_item {
    border-bottom: none;
}

/* Icon column — in normal flex flow, no absolute positioning */
.main .side_navigation .menu_items > li > .menu_item > .icon {
    position: static;
    flex-shrink: 0;
    width: var(--nav-item-icon-size);
    height: var(--nav-item-icon-size);
    /*border-radius: 50%;
    background: var(--nav-theme-accent);*/
    color: var(--nav-theme-icon) !important;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    transition: background .2s;
}

.main .side_navigation .menu_items > li > .menu_item > .icon svg {
    width: 14px;
    height: 14px;
    color: var(--nav-theme-icon);
}

/* Title — no left padding needed; gap handles spacing */
.main .side_navigation .menu_items > li > .menu_item > .title {
    display: inline-block;
    font-size: 13px;
    font-weight: 400;
    color: var(--nav-theme-muted);
    padding-left: 0;
    flex: 1 1 auto;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: color .15s, font-weight .15s;
}

/* Badge / unread */
.main .side_navigation .menu_items > li > .menu_item > .unread {
    margin-left: auto;
    padding-left: 6px;
}

.main .side_navigation .menu_items > li > .menu_item > .unread > span {
    font-size: 10px;
    font-weight: 700;
    background: var(--nav-theme-danger);
    color: #fff;
    border-radius: 10px;
    min-width: 18px;
    height: 18px;
    line-height: 18px;
    padding: 0 5px;
    text-align: center;
    font-style: normal;
    display: inline-block;
    animation: nav-badge-pop .2s ease;
}

@keyframes nav-badge-pop {
    0%   { transform: scale(0); }
    70%  { transform: scale(1.2); }
    100% { transform: scale(1); }
}

/* has_child chevron arrow — replaces old title::after */
.main .side_navigation .menu_items > li.has_child > .menu_item > .title::after {
    content: "\f282";   /* bi-chevron-down */
    font-family: bootstrap-icons !important;
    speak: never;
    font-style: normal;
    font-weight: normal;
    font-variant: normal;
    text-transform: none;
    line-height: 1;
    -webkit-font-smoothing: antialiased;
    margin-left: 4px;
    font-size: 9px;
    color: var(--nav-theme-muted);
    transition: transform .2s;
    display: inline-block;
    vertical-align: middle;
    transform: rotate(0deg);
}

.main .side_navigation .menu_items > li.has_child.show > .menu_item > .title::after {
    content: "\f282";
    transform: rotate(180deg);
}

/* =========================================================
   HOVER STATE
   ========================================================= */
.main .side_navigation .menu_items > li:hover > .menu_item,
.main .side_navigation .menu_items > li:nth-child(even):hover > .menu_item {
    background: var(--nav-theme-accent-light);
    border-top: none;
    border-bottom: 1px solid var(--nav-theme-border);
    color: var(--nav-theme-text);
}

.main .side_navigation .menu_items > li:hover > .menu_item > .title {
    color: var(--nav-theme-text);
    font-weight: 600;
}

/* =========================================================
   ACTIVE STATE  (active class added by JS)
   ========================================================= */
.main .side_navigation .menu_items > li.active > .menu_item,
.main .side_navigation .menu_items > li.load_aside.active > .menu_item {
    background: var(--nav-theme-accent-light);
}

.main .side_navigation .menu_items > li.active > .menu_item > .title,
.main .side_navigation .menu_items > li.load_aside.active > .menu_item > .title {
    color: var(--nav-theme-text);
    font-weight: 600;
    font-size: 14px;
}

/* Active left accent bar — on the li, not the .menu_item, so it sits at card edge */
.main .side_navigation .menu_items > li.active,
.main .side_navigation .menu_items > li.load_aside.active {
    position: relative;
}
.main .side_navigation .menu_items > li.active::before,
.main .side_navigation .menu_items > li.load_aside.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 6px;
    bottom: 6px;
    width: 3px;
    border-radius: 0 3px 3px 0;
    background: var(--nav-theme-accent);
}

/* Active icon highlight */
.main .side_navigation .menu_items > li.active > .menu_item > .icon,
.main .side_navigation .menu_items > li.load_aside.active > .menu_item > .icon {
    background: linear-gradient(to bottom, #5d9cec, var(--nav-theme-accent));
    box-shadow: 0 4px 8px rgba(74,137,220,.35);
    color: #fff !important;
}

.main .side_navigation .menu_items > li.active > .menu_item > .icon svg,
.main .side_navigation .menu_items > li.load_aside.active > .menu_item > .icon svg {
    color: #fff;
}

/* =========================================================
   CHILD / SUBMENU
   ========================================================= */
.main .side_navigation .child_menu {
    background: var(--nav-theme-surface);
    /* A closed submenu must not leave a second divider behind. */
    border-top: 0;
    max-height: 0;
    transition: max-height .25s ease;
}

.main .side_navigation .menu_items > li.has_child.show > .child_menu {
    max-height: 2000px;
    border-top: 1px solid var(--nav-theme-border);
}

.main .side_navigation .child_menu > ul > li {
    padding: 10px 12px 10px 44px;
    font-size: 13px;
    color: var(--nav-theme-muted);
    border-bottom: 1px solid var(--nav-theme-border);
    transition: background .15s, color .15s;
    cursor: pointer;
}

.main .side_navigation .child_menu > ul > li:last-child {
    border-bottom: none;
}

.main .side_navigation .child_menu > ul > li:hover {
    background: var(--nav-theme-accent-light);
    color: var(--nav-theme-text);
}

.main .side_navigation .child_menu > span {
    padding: 10px 12px 10px 14px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--nav-theme-accent);
    background: var(--nav-theme-surface);
    border-bottom: 1px solid var(--nav-theme-border);
    max-height: 40px;
    overflow: hidden;
    white-space: nowrap;
}

.main .side_navigation .child_menu > span > i {
    font-style: normal;
    background: linear-gradient(to right, var(--nav-theme-accent), #5d9cec);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Bottom child_menu (user options) — now replaced by nav-user-dropdown, but keep fallback */
.main .side_navigation > .bottom .child_menu {
    left: var(--nav-theme-width);
    margin-left: 0;
    min-width: 170px;
    border-radius: 0 var(--nav-theme-radius-sm) var(--nav-theme-radius-sm) 0;
    box-shadow: var(--nav-theme-shadow);
    background: var(--nav-theme-bg);
}

/* =========================================================
   BOTTOM USER BAR — hidden (replaced by user card at top of center)
   ========================================================= */
.main .side_navigation > .bottom {
    display: none !important;
}

/* =========================================================
   MENU ITEMS LIST — scroll area
   ========================================================= */
.main .side_navigation .menu_items {
    overflow: visible;
    height: auto;
    padding: 0;
    margin: 0;
    list-style: none;
}

/* =========================================================
   ANIMATION — panel slide open/close
   ========================================================= */
.main .side_navigation {
    transition: min-width .25s ease, max-width .25s ease, margin-left .25s ease, opacity .25s ease;
}

/* =========================================================
   SECTION WRAPPER (used to group items per section)
   ========================================================= */
.main .side_navigation .nav-section {
    padding: 0;
    margin: 0;
}

/* =========================================================
   CUSTOM MENU ITEMS — same styles
   ========================================================= */

/* =========================================================
   RESPONSIVE — keep existing collapse at mobile
   ========================================================= */

/* Keep nav items font/colors scoped inside side_navigation */
.main .side_navigation * {
    box-sizing: border-box;
}

/* =========================================================
   MOBILE / TABLET DRAWER (<= 1200px)
   The themed desktop width must not override the app's mobile/tablet
   breakpoints. Keep navigation independent of the page columns so it
   always opens above the current conversation at phone and tablet widths.
   ========================================================= */
@media screen and (max-width: 1200px) {
    /* Match the desktop drawer proportions while keeping the logo inside
       a defined image area above the version label. */
    .main .side_navigation > .top {
        --nav-theme-logo-height: 150px;
    }

    .main .side_navigation > .top > .nav-logo-card {
        padding: 14px 16px;
    }

    .main .side_navigation > .top > .nav-logo-card > .nav-logo-content {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: flex-end;
        height: 100%;
    }

    .main .side_navigation > .top > .nav-logo-card > .nav-logo-content > .nav-logo-img {
        max-height: 100%;
        max-width: 100%;
        flex: 0 0 80px;
        margin: 0 auto 4px;
        object-fit: contain;
    }

    .main .chat_page_container.show_navigation {
        padding-left: 0 !important;
    }

    .main .side_navigation {
        --mobile-nav-width: min(86vw, 280px);
        display: flex;
        position: fixed !important;
        inset: 0 auto 0 0 !important;
        width: var(--mobile-nav-width) !important;
        min-width: var(--mobile-nav-width) !important;
        max-width: var(--mobile-nav-width) !important;
        height: 100dvh;
        margin-left: 0 !important;
        transform: translateX(-105%);
        visibility: hidden;
        pointer-events: none;
        z-index: 1051;
        box-shadow: none;
        transition: transform .25s ease, visibility 0s linear .25s, box-shadow .25s ease;
    }

    .main .chat_page_container.show_navigation > .side_navigation {
        display: flex !important;
        width: var(--mobile-nav-width) !important;
        min-width: var(--mobile-nav-width) !important;
        max-width: var(--mobile-nav-width) !important;
        margin-left: 0 !important;
        transform: translateX(0) !important;
        visibility: visible !important;
        pointer-events: auto !important;
        box-shadow: 12px 0 28px rgba(0, 0, 0, .3);
        transition: transform .25s ease, box-shadow .25s ease;
    }

    .rtl_language .main .side_navigation {
        inset: 0 0 0 auto !important;
        transform: translateX(105%) !important;
        margin-right: 0 !important;
    }

    .rtl_language .main .chat_page_container.show_navigation > .side_navigation {
        transform: translateX(0) !important;
        box-shadow: -12px 0 28px rgba(0, 0, 0, .3);
    }

    .main::after {
        content: '';
        position: fixed;
        inset: 0;
        z-index: 1050;
        background: rgba(0, 0, 0, .46);
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transition: opacity .25s ease, visibility 0s linear .25s;
    }

    .main.navigation-open::after {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transition: opacity .25s ease;
    }

    .main .side_navigation > .center {
        overscroll-behavior: contain;
    }
}