/* Sidebar */
    .sidebar{
      width: 248px;
      min-width: 248px;
      flex: 0 0 248px;
      background: linear-gradient(180deg, var(--sidebar-bg) 0%, #101511 100%);
      border-right: 1px solid rgba(255,255,255,0.05);
      display:flex;
      flex-direction:column;
      overflow:visible;
      position: relative;
      z-index: 20;
      transition:
        width .42s cubic-bezier(.2, .72, .24, 1),
        min-width .42s cubic-bezier(.2, .72, .24, 1),
        flex-basis .42s cubic-bezier(.2, .72, .24, 1);
    }

    .sidebar:not(.is-ready),
    .sidebar:not(.is-ready) *{
      transition: none !important;
      animation: none !important;
    }

    .sidebar-top{
      min-height: 64px;
      padding: 18px 16px 14px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap: 10px;
      position: relative;
    }

    .logo{
      display: block;
      max-width: 140px;
      overflow: hidden;
      font-size: 18px;
      font-weight: 800;
      line-height: 1;
      letter-spacing: -0.03em;
      color: #fff;
      white-space: nowrap;
      transition: max-width .36s cubic-bezier(.2, .72, .24, 1);
    }

    .logo span{
      color: var(--green);
    }

    .sidebar-collapse-toggle{
      width: 38px;
      height: 38px;
      border: 1px solid rgba(255,255,255,0.06);
      border-radius: 10px;
      background: rgba(255,255,255,0.03);
      color: rgba(255,255,255,0.66);
      display:grid;
      place-items:center;
      cursor:pointer;
      flex-shrink:0;
      position: absolute;
      top: 50%;
      right: 11px;
      transform: translateY(-50%);
      transition: background .18s ease, border-color .18s ease, color .18s ease, transform .14s ease;
    }

    .sidebar-collapse-toggle:hover{
      background: rgba(255,255,255,0.06);
      border-color: rgba(255,255,255,0.10);
      color: #ffffff;
    }

    .sidebar-collapse-toggle:active{
      transform: translateY(-50%) scale(0.97);
    }

    .sidebar-collapse-toggle svg{
      width: 17px !important;
      height: 17px !important;
      stroke-width: 1.9;
    }

    .sidebar-scroll{
      flex:1;
      overflow-y:auto;
      padding: 2px 12px 12px;
      position: relative;
    }

    .side-label{
      display: block;
      max-width: 140px;
      overflow: hidden;
      margin: 0 8px 10px;
      font-size: 10px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.10em;
      color: rgba(255,255,255,0.28);
      white-space: nowrap;
      transition: max-width .36s cubic-bezier(.2, .72, .24, 1);
    }

    .workspace-card{
      box-sizing: border-box;
      display:grid;
      grid-template-columns: 40px minmax(0, 1fr) 18px;
      align-items:center;
      column-gap: 10px;
      width: 100%;
      height: 58px;
      padding: 0 8px;
      border-radius: 14px;
      background: rgba(255,255,255,0.03);
      border: 1px solid rgba(255,255,255,0.05);
      margin-bottom: 9px;
      font: inherit;
      text-align: left;
      cursor: pointer;
      transition:
        background .18s ease,
        border-color .18s ease,
        transform .18s ease,
        padding .36s cubic-bezier(.2, .72, .24, 1);
      overflow: hidden;
    }

    .workspace-card:hover{
      background: rgba(255,255,255,0.05);
      border-color: rgba(255,255,255,0.08);
    }

    .workspace-card:active{
      transform: scale(0.992);
    }

    .workspace-icon{
      width: 34px;
      height: 34px;
      border-radius: 11px;
      display:grid;
      place-items:center;
      background: rgba(255,255,255,0.04);
      color: var(--green);
      flex: 0 0 34px;
      justify-self: center;
      transform: translateX(0);
      transition: transform .36s cubic-bezier(.2, .72, .24, 1), background .18s ease;
    }

    .workspace-icon svg{
      width: 18px !important;
      height: 18px !important;
    }

    .workspace-info{
      min-width:0;
      flex:1;
      max-width: 146px;
      overflow: hidden;
      transition: max-width .36s cubic-bezier(.2, .72, .24, 1);
    }

    .workspace-name{
      color:#f4f7f2;
      font-size:13px;
      font-weight:600;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }

    .workspace-plan{
      margin-top:2px;
      color: rgba(255,255,255,0.35);
      font-size:11px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }

    .workspace-arrow{
      color: rgba(255,255,255,0.34);
      display:flex;
      align-items:center;
      justify-content:center;
      flex-shrink:0;
      transition: opacity .18s ease, max-width .2s ease;
      max-width: 18px;
      overflow: hidden;
      justify-self: end;
    }

    .workspace-arrow-icon{
      position: relative;
      width: 18px;
      height: 18px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
    }

    .workspace-arrow-line{
      position: absolute;
      width: 12px;
      height: 1.75px;
      border-radius: 999px;
      background: currentColor;
      transition: transform .22s ease, opacity .22s ease;
      transform-origin: center;
    }

    .workspace-arrow-line-vertical{
      transform: rotate(90deg) scaleX(1);
    }

    .workspace-toggle.is-open .workspace-arrow-line-vertical{
      transform: rotate(90deg) scaleX(0);
      opacity: 0;
    }

    .workspace-menu{
      display: grid;
      grid-template-rows: 0fr;
      opacity: 0;
      transform: translateY(-6px);
      transition: grid-template-rows .28s ease, opacity .2s ease, transform .24s ease;
      margin-bottom: 4px;
      position: relative;
    }

    .workspace-menu.is-open{
      grid-template-rows: 1fr;
      opacity: 1;
      transform: translateY(0);
      margin-bottom: 10px;
    }

    .workspace-menu > .nav-list{
      min-height: 0;
      overflow: hidden;
      margin-bottom: 0;
    }

    .new-chat-panel{
      display: grid;
      grid-template-rows: 0fr;
      opacity: 0;
      transform: translateY(-6px);
      transition: grid-template-rows .28s ease, opacity .2s ease, transform .24s ease, margin-top .24s ease;
      margin-top: 0;
    }

    .new-chat-panel.is-open{
      grid-template-rows: 1fr;
      opacity: 1;
      transform: translateY(0);
      margin-top: 6px;
      margin-bottom: 0;
    }

    .new-chat-panel-inner{
      min-height: 0;
      overflow: hidden;
      display:flex;
      flex-direction:column;
      gap: 8px;
      padding: 2px 0 0;
    }

    .new-chat-input{
      height: 36px;
      width: 100%;
      border-radius: 10px;
      border: 1px solid rgba(255,255,255,0.08);
      background: rgba(255,255,255,0.05);
      padding: 0 12px;
      color: #eef2ea;
      font-family: var(--font);
      font-size: 12px;
      outline: none;
    }

    .new-chat-input::placeholder{
      color: rgba(255,255,255,0.34);
    }

    .new-chat-input:focus{
      border-color: rgba(210,227,157,0.4);
      box-shadow: none;
    }

    .new-chat-submit{
      height: 32px;
      width: 100%;
      padding: 0 14px 1px;
      border: 1px solid #111111;
      border-radius: 10px;
      background: #ffc83f;
      color: #111111;
      font-family: var(--font);
      font-size: 10px;
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      cursor: pointer;
      box-shadow: inset 0 1px 0 rgba(255,255,255,0.28);
      transition: background .18s ease, border-color .18s ease, transform .14s ease, box-shadow .18s ease;
    }

    .new-chat-submit:hover{
      background: #ffd55a;
      border-color: #111111;
      box-shadow: inset 0 1px 0 rgba(255,255,255,0.08), 0 8px 18px rgba(0,0,0,0.12);
    }

    .new-chat-submit:active{
      transform: none;
    }

    .nav-list{
      list-style:none;
      display:flex;
      flex-direction:column;
      gap: 6px;
    }

    .nav-item a{
      display:grid;
      grid-template-columns: 40px minmax(0, 1fr);
      align-items:center;
      column-gap: 10px;
      min-height: 38px;
      padding: 0;
      border-radius: 12px;
      text-decoration:none;
      color: #d3dad0;
      font-size: 14px;
      font-weight: 600;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      transition: .14s ease;
    }

    .nav-icon{
      width: 40px;
      height: 38px;
      display:grid;
      place-items:center;
      flex-shrink: 0;
    }

    .nav-label{
      flex: 1;
      min-width: 0;
      max-width: 180px;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      transition: max-width .36s cubic-bezier(.2, .72, .24, 1);
    }

    .nav-item a i{
      width: 16px !important;
      height: 16px !important;
      color: #d3dad0;
      stroke-width: 1.9;
      flex-shrink: 0;
    }

    .nav-item a:hover{
      background: rgba(255,255,255,0.04);
      color: #ffffff;
    }

    .nav-item a:hover i{
      color:#ffffff;
    }

    .nav-item.active a{
      background: var(--green);
      color: #111512;
      font-weight: 700;
      box-shadow: 0 4px 10px rgba(185,228,109,0.10);
    }

    .nav-item.active a i{
      color:#111512;
    }

    .history-head{
      display:none;
    }

    .history-section{
      margin-top: 12px;
      padding-top: 12px;
      border-top: 1px solid rgba(255,255,255,0.08);
    }

    .workspace-menu.is-open + .history-section{
      margin-top: 12px;
    }

    .history-count{
      min-width: 20px;
      height: 20px;
      padding: 0 6px;
      border-radius: 999px;
      display:grid;
      place-items:center;
      background: rgba(255,255,255,0.06);
      color: rgba(255,255,255,0.70);
      font-size: 10px;
      font-weight: 700;
    }

    .history-list{
      display:flex;
      flex-direction:column;
      gap: 4px;
      max-height: 220px;
      overflow: hidden;
      transition: max-height .36s cubic-bezier(.2, .72, .24, 1), opacity .2s ease;
    }

    .collapsed-history-toggle{
      display:none;
      width: 38px;
      height: 38px;
      border: none;
      border-radius: 12px;
      background: transparent;
      color: #d3dad0;
      place-items:center;
      cursor:pointer;
      transition: background .14s ease, color .14s ease;
    }

    .collapsed-history-toggle:hover,
    .collapsed-history-toggle.is-open{
      background: rgba(255,255,255,0.07);
      color:#ffffff;
    }

    .collapsed-history-toggle svg{
      width: 20px !important;
      height: 20px !important;
      stroke-width: 1.9;
    }

    .sidebar-history-popover{
      position: absolute;
      left: calc(100% + 5px);
      top: 10px;
      width: 290px;
      max-height: calc(100vh - 24px);
      padding: 18px;
      border-radius: 16px;
      border: 1px solid rgba(255,255,255,0.09);
      background: #2b2f2b;
      box-shadow: 0 18px 44px rgba(0,0,0,0.28);
      z-index: 40;
      overflow-y: auto;
      overflow-x: hidden;
      overscroll-behavior: contain;
    }

    .collapsed-new-chat-popover{
      position: absolute;
      left: calc(100% + 5px);
      top: 0;
      transform: translateY(-50%);
      width: 290px;
      padding: 18px;
      border-radius: 16px;
      border: 1px solid rgba(255,255,255,0.09);
      background: #2b2f2b;
      box-shadow: 0 18px 44px rgba(0,0,0,0.28);
      z-index: 40;
    }

    .collapsed-new-chat-popover[hidden]{
      display:none;
    }

    .collapsed-popover-title{
      margin-bottom: 14px;
      color: rgba(255,255,255,0.52);
      font-size: 13px;
      font-weight: 650;
    }

    .sidebar-history-popover[hidden]{
      display:none;
    }

    .sidebar-history-popover-title{
      margin-bottom: 14px;
      color: rgba(255,255,255,0.52);
      font-size: 13px;
      font-weight: 650;
    }

    .sidebar-history-popover-item{
      display:block;
      padding: 9px 2px;
      color: rgba(255,255,255,0.88);
      text-decoration:none;
      font-size: 14px;
      font-weight: 650;
      line-height: 1.35;
      border-radius: 8px;
      transition: color .14s ease, transform .14s ease;
    }

    .sidebar-history-popover-item:hover{
      color: #d2e39d;
      transform: translateX(2px);
    }

    .sidebar-history-popover-item.is-locked{
      color: rgba(255,255,255,0.44);
      opacity: 0.7;
    }

    .sidebar-history-popover-item.is-frozen{
      color: rgba(255,255,255,0.34);
      cursor: default;
    }

    .sidebar-history-popover-item.is-locked:hover{
      color: rgba(255,255,255,0.52);
      transform: none;
    }

    .sidebar-history-popover-divider{
      color: #b3b3b3;
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }

    .history-frozen-divider{
      color: #b3b3b3;
      font-size: 10px;
      font-weight: 700;
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }

    .sidebar-history-popover-divider{
      margin: 12px 0 6px;
      padding-top: 10px;
      border-top: 1px solid rgba(255,255,255,0.12);
    }

    .history-item{
      display:flex;
      align-items:center;
      gap: 8px;
      min-height: 28px;
      padding: 0 8px;
      border-radius: 8px;
      color: rgba(255,255,255,0.62);
      font-size: 14px;
      transition: .14s ease;
    }

    .history-item:hover{
      background: rgba(255,255,255,0.04);
      color: rgba(255,255,255,0.82);
    }

    .history-item.current{
      color: #eef2ea;
      font-weight: 600;
    }

    .history-item.is-locked{
      color: rgba(255,255,255,0.36);
      background: rgba(255,255,255,0.02);
    }

    .history-item.is-frozen{
      color: rgba(255,255,255,0.32);
      cursor: default;
    }

    .history-item.is-locked:hover{
      color: rgba(255,255,255,0.44);
      background: rgba(255,255,255,0.03);
    }

    .history-frozen-divider{
      min-height: var(--sidebar-title-height);
      margin: 12px 6px 4px;
      padding: 0;
      border-top: 0;
      line-height: 1.25;
    }

    .history-dot{
      display:none;
    }

    .history-text{
      flex:1;
      min-width:0;
      max-width: 180px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      display:block;
      transition: max-width .36s cubic-bezier(.2, .72, .24, 1);
    }

    .history-text::before{
      content: "- ";
    }

    .history-delete{
      opacity:0;
      color: rgba(255,255,255,0.18);
      display:flex;
      align-items:center;
      justify-content:center;
      width: 16px;
      height: 16px;
      transition:.14s ease;
      flex-shrink:0;
    }

    .history-delete i{
      width: 10px;
      height: 10px;
      stroke-width: 1.8;
    }

    .history-item:hover .history-delete{
      opacity:1;
    }

    .history-item.is-locked .history-delete{
      opacity: 0.66;
      color: rgba(255,255,255,0.26);
    }

    .sidebar-footer{
      padding: 12px;
      border-top: 1px solid var(--sidebar-line);
      margin-top: auto;
    }

    .account{
      display:grid;
      grid-template-columns: 40px minmax(0, 1fr);
      align-items:center;
      column-gap: 10px;
      min-height: 40px;
      padding: 0;
      border-radius: 12px;
      width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      transition:
        width .36s cubic-bezier(.2, .72, .24, 1),
        min-width .36s cubic-bezier(.2, .72, .24, 1),
        padding .36s cubic-bezier(.2, .72, .24, 1),
        background .18s ease;
    }

    .account-avatar{
      width: 32px;
      height: 32px;
      border-radius: 50%;
      flex: 0 0 32px;
      display: grid;
      place-items: center;
      justify-self: center;
      color: #ffffff;
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 0.01em;
    }

    .account-avatar span{
      line-height: 1;
    }

    .account-info{
      flex:1;
      min-width:0;
      max-width: 160px;
      display:flex;
      flex-direction:column;
      justify-content:center;
      overflow: hidden;
      transition: max-width .36s cubic-bezier(.2, .72, .24, 1);
    }

    .account-name{
      color:#f2f5ef;
      font-size:12px;
      font-weight:600;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }

    .account-mail{
      color: rgba(255,255,255,0.35);
      font-size: 10px;
      margin-top: 1px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }

    .account-more{
      color: rgba(255,255,255,0.25);
      display:flex;
      align-items:center;
      flex-shrink:0;
    }

    .sidebar.is-collapsed,
    html.sidebar-collapsed-preset .sidebar{
      width: 64px;
      min-width: 64px;
      flex-basis: 64px;
    }

    .sidebar.is-collapsed .sidebar-top,
    html.sidebar-collapsed-preset .sidebar .sidebar-top{
      padding: 18px 16px 14px;
    }

    .sidebar.is-collapsed .logo,
    html.sidebar-collapsed-preset .sidebar .logo{
      max-width: 0;
      pointer-events: none;
    }

    .sidebar.is-collapsed .new-chat-panel,
    html.sidebar-collapsed-preset .sidebar .new-chat-panel{
      display:none;
    }

    .sidebar.is-animating .history-text,
    .sidebar.is-animating .nav-item a,
    .sidebar.is-animating .workspace-name,
    .sidebar.is-animating .workspace-plan,
    .sidebar.is-animating .account-name,
    .sidebar.is-animating .account-mail{
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .sidebar.is-expanding .logo,
    .sidebar.is-expanding .side-label{
      pointer-events: none;
    }

    .sidebar.is-expanding .workspace-card{
      grid-template-columns: 40px minmax(0, 1fr) 18px;
      column-gap: 10px;
      padding-right: 8px;
    }

    .sidebar.is-expanding .workspace-info,
    .sidebar.is-expanding .account-info{
      pointer-events: none;
    }

    .sidebar.is-expanding .workspace-arrow{
      pointer-events: none;
    }

    .sidebar.is-collapsing .workspace-arrow{
      opacity: 0;
      max-width: 0;
      pointer-events: none;
      transition: none;
    }

    .sidebar.is-collapsing .history-list{
      max-height: 0;
      opacity: 0;
      pointer-events: none;
      transition: none;
    }

    .sidebar.is-collapsing .history-text{
      max-width: 0;
      transition: none;
    }

    .sidebar.is-expanding .nav-item a{
      grid-template-columns: 40px minmax(0, 1fr);
      column-gap: 10px;
    }

    .sidebar.is-expanding .nav-label{
      pointer-events: none;
    }

    .sidebar.is-expanding .history-list{
      pointer-events: none;
    }

    .sidebar.is-expanding .account{
      grid-template-columns: 40px minmax(0, 1fr);
      column-gap: 10px;
    }

    .sidebar.is-collapsed .side-label,
    html.sidebar-collapsed-preset .sidebar .side-label{
      max-width: 0;
      pointer-events: none;
    }

    .sidebar.is-collapsed .workspace-info,
    .sidebar.is-collapsed .account-info,
    html.sidebar-collapsed-preset .sidebar .workspace-info,
    html.sidebar-collapsed-preset .sidebar .account-info{
      max-width: 0;
      pointer-events: none;
    }

    .sidebar.is-collapsed .workspace-arrow,
    html.sidebar-collapsed-preset .sidebar .workspace-arrow{
      opacity: 0;
      max-width: 0;
      pointer-events: none;
    }

    .sidebar.is-collapsed .sidebar-collapse-toggle,
    html.sidebar-collapsed-preset .sidebar .sidebar-collapse-toggle{
      width: 38px;
      height: 38px;
      border-radius: 12px;
      top: 50%;
      right: 11px;
    }

    .sidebar.is-collapsed .sidebar-scroll,
    html.sidebar-collapsed-preset .sidebar .sidebar-scroll{
      min-height: 0;
      display: flex;
      flex: 1 1 auto;
      flex-direction: column;
      overflow-y: auto;
      overflow-x: hidden;
      overscroll-behavior: contain;
      -webkit-overflow-scrolling: touch;
      scrollbar-width: none;
      -ms-overflow-style: none;
      padding: 2px 12px 12px;
    }

    .sidebar.is-collapsed .workspace-card,
    html.sidebar-collapsed-preset .sidebar .workspace-card{
      grid-template-columns: 40px 0 0;
      width: 100%;
      height: 58px;
      padding: 0 8px 0 4px;
      margin-bottom: 9px;
      border-radius: 12px;
      column-gap: 0;
      background: transparent;
      border-color: transparent;
    }

    .sidebar.is-collapsed .workspace-icon,
    html.sidebar-collapsed-preset .sidebar .workspace-icon{
      width: 34px;
      height: 34px;
      border-radius: 11px;
      background: rgba(255,255,255,0.04);
      flex: 0 0 34px;
      color: var(--green);
      transform: translateX(-4px);
    }

    .sidebar.is-collapsed .workspace-icon svg,
    html.sidebar-collapsed-preset .sidebar .workspace-icon svg{
      width: 18px !important;
      height: 18px !important;
      display:block;
      transform: none;
    }

    .sidebar.is-collapsed .workspace-menu,
    html.sidebar-collapsed-preset .sidebar .workspace-menu{
      display:grid;
      grid-template-rows: 0fr;
      opacity: 0;
      transform: none;
      margin-bottom: 10px;
      pointer-events: none;
    }

    .sidebar.is-collapsed .workspace-menu > .nav-list,
    html.sidebar-collapsed-preset .sidebar .workspace-menu > .nav-list{
      overflow: visible;
      min-height: 0;
    }

    .sidebar.is-collapsed .workspace-menu.is-open,
    html.sidebar-collapsed-preset .sidebar .workspace-menu.is-open{
      grid-template-rows: 1fr;
      opacity: 1;
      transform: translateY(0);
      margin-bottom: 10px;
      pointer-events: auto;
    }

    .sidebar.is-collapsed .nav-list,
    html.sidebar-collapsed-preset .sidebar .nav-list{
      gap: 6px;
    }

    .sidebar.is-collapsed .nav-item a,
    html.sidebar-collapsed-preset .sidebar .nav-item a{
      grid-template-columns: 40px 0;
      width: 100%;
      min-height: 38px;
      padding: 0;
      column-gap: 0;
      border-radius: 12px;
    }

    .sidebar.is-collapsed .nav-label,
    html.sidebar-collapsed-preset .sidebar .nav-label{
      max-width: 0;
    }

    .sidebar.is-collapsed .nav-item.active a{
      background: rgba(210,227,157,0.16);
      color: var(--green);
      box-shadow: none;
    }

    .sidebar.is-collapsed .nav-item.active a i{
      color: var(--green);
    }

    .sidebar.is-collapsed .history-section,
    html.sidebar-collapsed-preset .sidebar .history-section{
      margin-top: 12px;
      padding-top: 12px;
      display:block;
    }

    .sidebar.is-collapsed .workspace-menu.is-open + .history-section,
    html.sidebar-collapsed-preset .sidebar .workspace-menu.is-open + .history-section{
      margin-top: 12px;
    }

    .sidebar.is-collapsing .collapsed-history-toggle,
    .sidebar.is-collapsed .collapsed-history-toggle,
    html.sidebar-collapsed-preset .sidebar .collapsed-history-toggle{
      display:grid;
      margin: 3px auto 0;
    }

    .sidebar.is-collapsed .sidebar-footer,
    html.sidebar-collapsed-preset .sidebar .sidebar-footer{
      padding: 12px;
    }

    .sidebar.is-collapsed .account,
    html.sidebar-collapsed-preset .sidebar .account{
      width: 40px;
      min-width: 40px;
      margin: 0;
      padding: 0;
      column-gap: 0;
    }

    .sidebar.is-collapsed .history-list,
    html.sidebar-collapsed-preset .sidebar .history-list{
      max-height: 0;
      opacity: 0;
      pointer-events: none;
    }

    .sidebar.is-collapsed .history-text,
    html.sidebar-collapsed-preset .sidebar .history-text{
      max-width: 0;
    }

    .sidebar.is-collapsed .account-avatar,
    html.sidebar-collapsed-preset .sidebar .account-avatar{
      width: 32px;
      height: 32px;
      flex-basis: 32px;
      transform: none;
    }

    /* Light workspace theme overrides */
    .sidebar{
      background: linear-gradient(180deg, var(--sidebar-bg) 0%, var(--sidebar-bg-soft) 100%);
      border-right: 1px solid var(--sidebar-line);
      box-shadow: inset -1px 0 0 rgba(255,255,255,0.5);
    }

    .sidebar-top{
      border-bottom: 1px solid rgba(17,17,17,0.04);
    }

    .logo{
      color: #111111;
    }

    .logo span{
      color: #746d64;
    }

    .sidebar-collapse-toggle{
      border-color: var(--line);
      background: rgba(255,255,255,0.8);
      color: #666056;
      box-shadow: 0 8px 18px rgba(17,17,17,0.04);
    }

    .sidebar-collapse-toggle:hover{
      background: #ffffff;
      border-color: #d9d0c4;
      color: #111111;
    }

    .workspace-card{
      background: rgba(255,255,255,0.84);
      border-color: var(--line);
      box-shadow: 0 12px 24px rgba(17,17,17,0.03);
    }

    .workspace-card:hover{
      background: #ffffff;
      border-color: #ddd3c7;
    }

    .workspace-icon{
      background: #111111;
      color: #ffffff;
    }

    .workspace-name{
      color: #111111;
    }

    .workspace-plan,
    .workspace-arrow{
      color: #847d73;
    }

    .new-chat-input{
      border-color: #cfd4da;
      background: #ffffff;
      color: #111111;
    }

    .new-chat-input::placeholder{
      color: #9a9388;
    }

    .new-chat-input:focus{
      border-color: #cfd4da;
    }

    .new-chat-submit{
      border-color: #111111;
      background: #ffc83f;
      color: #111111;
      box-shadow: 0 10px 20px rgba(17,17,17,0.08);
    }

    .new-chat-submit:hover{
      background: #ffd55a;
      border-color: #111111;
      box-shadow: 0 14px 24px rgba(17,17,17,0.1);
    }

    .nav-item a{
      color: #5d564d;
    }

    .nav-item a i{
      color: #6f685f;
    }

    .nav-item a:hover{
      background: rgba(17,17,17,0.05);
      color: #111111;
    }

    .nav-item a:hover i{
      color: #111111;
    }

    .nav-item.active a{
      background: #111111;
      color: #ffffff;
      box-shadow: 0 12px 22px rgba(17,17,17,0.1);
    }

    .nav-item.active a i{
      color: #ffffff;
    }

    .history-section{
      border-top-color: rgba(17,17,17,0.08);
    }

    .collapsed-history-toggle{
      color: #6f685f;
    }

    .collapsed-history-toggle:hover,
    .collapsed-history-toggle.is-open{
      background: rgba(17,17,17,0.06);
      color: #111111;
    }

    .sidebar-history-popover,
    .collapsed-new-chat-popover{
      border-color: var(--line);
      background: #ffffff;
      box-shadow: 0 20px 44px rgba(17,17,17,0.12);
    }

    .collapsed-popover-title,
    .sidebar-history-popover-title{
      color: #7c756b;
    }

    .sidebar-history-popover-item{
      color: #111111;
    }

    .sidebar-history-popover-item:hover{
      color: #111111;
    }

    .sidebar-history-popover-item.is-frozen,
    .history-item.is-frozen,
    .sidebar-history-popover-divider,
    .history-frozen-divider{
      color: #948b80;
    }

    .sidebar-history-popover-divider,
    .history-frozen-divider{
      border-top-color: rgba(17,17,17,0.12);
    }

    .history-item{
      color: #726b61;
    }

    .history-item:hover{
      background: rgba(17,17,17,0.05);
      color: #111111;
    }

    .history-item.current{
      color: #111111;
    }

    .history-delete{
      color: rgba(17,17,17,0.22);
    }

    .sidebar-footer{
      border-top-color: var(--sidebar-line);
      background: rgba(255,255,255,0.32);
    }

    .account-name{
      color: #111111;
    }

    .account-mail{
      color: #888177;
    }

    .sidebar.is-collapsed .workspace-icon,
    html.sidebar-collapsed-preset .sidebar .workspace-icon{
      background: #111111;
      color: #ffffff;
    }

    .sidebar.is-collapsed .nav-item.active a,
    html.sidebar-collapsed-preset .sidebar .nav-item.active a{
      background: #111111;
      color: #ffffff;
      box-shadow: none;
    }

    .sidebar.is-collapsed .nav-item.active a i,
    html.sidebar-collapsed-preset .sidebar .nav-item.active a i{
      color: #ffffff;
    }

    /* Sidebar palette refinement to match the reference exactly */
    .sidebar{
      background: #fafafa;
      border-right: 1px solid #e7e7e7;
      box-shadow: none;
    }

    .sidebar-top{
      background: #fcfbfc;
      border-bottom: 1px solid #e7e7e7;
      padding-left: 18px;
      padding-right: 24px;
    }

    .logo{
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 28px;
      padding: 0 11px;
      border-radius: 0;
      background: transparent;
      clip-path: none;
      font-size: 22px;
      font-style: italic;
      font-weight: 800;
      letter-spacing: -0.04em;
      color: #111111;
    }

    .logo span{
      color: #111111;
    }

    .sidebar-scroll{
      padding-left: 22px;
    }

    .sidebar-collapse-toggle{
      width: 20px;
      height: 20px;
      padding: 0;
      border: none;
      border-radius: 0;
      background: transparent;
      color: #111111;
      box-shadow: none;
      transition:
        color .18s ease,
        left .42s cubic-bezier(.2, .72, .24, 1),
        right .42s cubic-bezier(.2, .72, .24, 1),
        transform .42s cubic-bezier(.2, .72, .24, 1);
      right: 18px;
    }

    .sidebar-collapse-toggle:hover{
      background: transparent;
      color: #111111;
    }

    .sidebar-collapse-toggle:active{
      transform: translateY(-50%);
    }

    .sidebar-collapse-toggle svg{
      width: 20px !important;
      height: 20px !important;
      stroke-width: 1.9;
    }

    .workspace-menu{
      margin-top: 17px;
    }

    .workspace-card{
      height: 48px;
      padding: 0 2px;
      border-radius: 12px;
      background: transparent;
      border-color: transparent;
      box-shadow: none;
    }

    .nav-list{
      gap: 7px;
    }

    .nav-item a,
    .sidebar.is-expanding .nav-item a{
      grid-template-columns: 34px minmax(0, 1fr);
      column-gap: 4px;
      padding: 0 8px 0 4px;
    }

    .nav-icon{
      width: 34px;
    }

    .workspace-card:hover{
      background: #f3f3f3;
      border-color: transparent;
    }

    .workspace-icon{
      background: transparent;
      color: #8a8a8a;
    }

    .workspace-name{
      color: #111111;
    }

    .workspace-plan{
      color: #767676;
    }

    .workspace-arrow{
      color: #8a8a8a;
    }

    .new-chat-input{
      border: 1px solid #cfd4da;
      background: #ffffff;
      color: #111111;
    }

    .new-chat-input::placeholder{
      color: #9a9a9a;
    }

    .new-chat-input:focus{
      border-color: #cfd4da;
    }

    .new-chat-submit{
      border-color: #111111;
      background: #ffc83f;
      color: #111111;
      box-shadow: none;
    }

    .new-chat-submit:hover{
      background: #ffd55a;
      border-color: #111111;
      box-shadow: none;
    }

    .nav-item a{
      color: #3f3f3f;
    }

    .nav-item a i{
      color: #434343;
    }

    .nav-item a:hover{
      background: #f1f1f1;
      color: #262626;
    }

    .nav-item a:hover i{
      color: #262626;
    }

    .nav-item.active a{
      background: #111111;
      color: #fafafa;
      box-shadow: none;
    }

    .nav-item.active a i{
      color: #fafafa;
    }

    .history-section{
      border-top-color: #d7d7d7;
      border-top-style: solid;
      border-top-width: 1px;
    }

    .collapsed-history-toggle{
      color: #111111;
    }

    .collapsed-history-toggle:hover,
    .collapsed-history-toggle.is-open{
      background: #f1f1f1;
      color: #111111;
    }

    .sidebar-history-popover,
    .collapsed-new-chat-popover{
      border-color: transparent;
      border-style: dashed;
      background: #ffffff;
      box-shadow: 0 18px 40px rgba(17,17,17,0.08);
    }

    .collapsed-popover-title,
    .sidebar-history-popover-title{
      color: #7f7f7f;
    }

    .sidebar-history-popover-item{
      color: #111111;
    }

    .sidebar-history-popover-item:hover{
      color: #111111;
    }

    .history-item{
      color: #4f4f4f;
    }

    .history-item:hover{
      background: #f1f1f1;
      color: #2f2f2f;
    }

    .history-item.current{
      color: #111111;
    }

    .history-delete{
      color: rgba(17,17,17,0.28);
    }

    .sidebar-footer{
      border-top-color: #d7d7d7;
      border-top-style: dashed;
      border-top-width: 0;
      background: #fafafa;
    }

    .account{
      background: #111111;
      border-radius: 14px;
      padding: 8px 10px;
    }

    .account-name{
      color: #ffffff;
    }

    .account-mail{
      color: rgba(255,255,255,0.62);
    }

    .sidebar.is-collapsed .workspace-card,
    html.sidebar-collapsed-preset .sidebar .workspace-card{
      background: transparent;
      border-color: transparent;
    }

    .sidebar.is-collapsed .workspace-icon,
    html.sidebar-collapsed-preset .sidebar .workspace-icon{
      background: transparent;
      color: #8a8a8a;
    }

    .sidebar.is-collapsed .logo,
    html.sidebar-collapsed-preset .sidebar .logo{
      min-height: 0;
      padding: 0;
      background: transparent;
      opacity: 0;
    }

    .sidebar.is-collapsed .nav-item.active a,
    html.sidebar-collapsed-preset .sidebar .nav-item.active a{
      background: #111111;
      color: #fafafa;
      box-shadow: none;
    }

    .sidebar.is-collapsed .nav-item.active a i,
    html.sidebar-collapsed-preset .sidebar .nav-item.active a i{
      color: #fafafa;
    }

    /* Final collapse logic: icons stay fixed, text is masked away */
    .sidebar-scroll{
      padding: 2px 12px 12px;
      transition: none;
    }

    .workspace-menu{
      margin-top: 17px;
      overflow: hidden;
    }

    .nav-list{
      gap: 7px;
    }

    .nav-item a,
    .sidebar.is-expanding .nav-item a{
      width: 100%;
      min-height: 40px;
      margin: 0;
      padding: 0;
      grid-template-columns: 40px minmax(0, 1fr);
      column-gap: 4px;
      justify-content: start;
      transition: background .14s ease, color .14s ease;
    }

    .nav-icon,
    .sidebar.is-expanding .nav-icon{
      width: 40px;
      height: 40px;
      justify-self: start;
      transition: none;
    }

    .nav-label{
      max-width: 180px;
      opacity: 1;
      transition:
        max-width .28s cubic-bezier(.2, .72, .24, 1),
        opacity .18s ease;
    }

    .sidebar.is-collapsed .sidebar-scroll,
    html.sidebar-collapsed-preset .sidebar .sidebar-scroll{
      min-height: 0;
      display: flex;
      flex: 1 1 auto;
      flex-direction: column;
      overflow-y: auto;
      overflow-x: hidden;
      overscroll-behavior: contain;
      -webkit-overflow-scrolling: touch;
      scrollbar-width: none;
      -ms-overflow-style: none;
      padding: 2px 12px 12px;
    }

    .sidebar.is-collapsed .nav-list,
    html.sidebar-collapsed-preset .sidebar .nav-list{
      gap: 7px;
    }

    .sidebar.is-collapsed .nav-item a,
    html.sidebar-collapsed-preset .sidebar .nav-item a{
      width: 100%;
      min-height: 40px;
      margin: 0;
      padding: 0;
      grid-template-columns: 40px 0;
      column-gap: 0;
      justify-content: start;
      border-radius: 12px;
      overflow: hidden;
    }

    .sidebar.is-collapsed .nav-icon,
    html.sidebar-collapsed-preset .sidebar .nav-icon{
      width: 40px;
      height: 40px;
      justify-self: center;
    }

    .sidebar.is-collapsed .nav-label,
    html.sidebar-collapsed-preset .sidebar .nav-label{
      max-width: 0;
      opacity: 0;
      pointer-events: none;
    }

    .history-item{
      overflow: hidden;
    }

    .sidebar.is-collapsed .history-text,
    html.sidebar-collapsed-preset .sidebar .history-text{
      display: none;
    }

    .sidebar.is-collapsed .history-delete,
    html.sidebar-collapsed-preset .sidebar .history-delete{
      display: none;
    }

    .sidebar.is-collapsed .nav-item.active a,
    html.sidebar-collapsed-preset .sidebar .nav-item.active a{
      width: calc(100% - 1px);
      margin: 0;
      background: #111111;
      color: #fafafa;
    }

    .sidebar.is-collapsed .sidebar-collapse-toggle,
    html.sidebar-collapsed-preset .sidebar .sidebar-collapse-toggle{
      width: 20px;
      height: 20px;
      padding: 0;
      border-radius: 0;
      top: 50%;
      left: auto;
      right: calc(50% - 10px);
      transform: translateY(-50%);
    }

    .sidebar.is-collapsed .sidebar-collapse-toggle:active,
    html.sidebar-collapsed-preset .sidebar .sidebar-collapse-toggle:active{
      transform: translateY(-50%);
    }

    .sidebar.is-collapsed .sidebar-scroll,
    html.sidebar-collapsed-preset .sidebar .sidebar-scroll{
      padding-left: 12px;
      padding-right: 12px;
    }

    /* Final footer/layout stabilization */
    .sidebar-footer{
      padding: 14px 14px 16px;
      border-top: 1px solid #d7d7d7;
      background: transparent;
    }

    .account{
      display: grid;
      grid-template-columns: 36px minmax(0, 1fr);
      align-items: center;
      column-gap: 10px;
      min-height: 36px;
      width: 100%;
      padding: 0;
      border-radius: 0;
      background: transparent;
      overflow: visible;
      transition: none;
    }

    .account-avatar{
      width: 36px;
      height: 36px;
      min-width: 36px;
      min-height: 36px;
      flex: 0 0 36px;
      justify-self: start;
      border-radius: 50%;
      transform: none;
      transition: none;
      background-position: center;
      background-size: cover;
      background-repeat: no-repeat;
    }

    .account-info{
      max-width: none;
      transition: opacity .18s ease;
    }

    .account-name{
      color: #111111;
      font-size: 12px;
      font-weight: 600;
    }

    .account-mail{
      color: #7f7f7f;
      font-size: 10px;
    }

    .sidebar.is-collapsed .sidebar-footer,
    html.sidebar-collapsed-preset .sidebar .sidebar-footer{
      padding: 14px 14px 16px;
    }

    .sidebar.is-collapsed .account,
    html.sidebar-collapsed-preset .sidebar .account{
      grid-template-columns: 36px;
      column-gap: 0;
      width: 36px;
      min-width: 36px;
      margin: 0;
      justify-content: start;
    }

    .sidebar.is-collapsed .account-avatar,
    html.sidebar-collapsed-preset .sidebar .account-avatar{
      width: 36px;
      height: 36px;
      min-width: 36px;
      min-height: 36px;
      flex-basis: 36px;
      justify-self: start;
      transform: none;
    }

    .sidebar.is-collapsed .account-info,
    html.sidebar-collapsed-preset .sidebar .account-info{
      display: none;
    }

    /* Stable sidebar navigation layer: collapse masks text without changing geometry. */
    .sidebar{
      --sidebar-motion-duration: 420ms;
      --sidebar-motion-ease: cubic-bezier(.22, .61, .36, 1);
      --sidebar-rail: 40px;
      --sidebar-nav-gap: 6px;
      --sidebar-title-height: 12px;
      --sidebar-new-chat-gap: 8px;
      --sidebar-history-gap: 8px;
      --sidebar-history-gap-collapsed: 4px;
      overflow: hidden;
      transition:
        width var(--sidebar-motion-duration) var(--sidebar-motion-ease),
        min-width var(--sidebar-motion-duration) var(--sidebar-motion-ease),
        flex-basis var(--sidebar-motion-duration) var(--sidebar-motion-ease);
    }

    .sidebar-top,
    .sidebar.is-collapsed .sidebar-top,
    html.sidebar-collapsed-preset .sidebar .sidebar-top{
      min-height: 64px;
      padding: 18px 16px 14px;
      align-items: center;
      justify-content: flex-start;
    }

    .logo,
    .sidebar.is-collapsed .logo,
    html.sidebar-collapsed-preset .sidebar .logo{
      width: 29px;
      max-width: 29px;
      min-width: 29px;
      height: 29px;
      min-height: 29px;
      margin: 0;
      padding: 0;
      display: block;
      position: absolute;
      top: 50%;
      left: calc((64px - 29px) / 2);
      border: 0;
      background: transparent;
      overflow: hidden;
      opacity: 1;
      visibility: visible;
      transform: translateY(-50%);
      transition: none;
      appearance: none;
      -webkit-appearance: none;
    }

    .logo{
      cursor: default;
      pointer-events: none;
    }

    .sidebar.is-collapsed .sidebar-top,
    html.sidebar-collapsed-preset .sidebar .sidebar-top{
      justify-content: center;
    }

    .sidebar.is-collapsed .logo,
    html.sidebar-collapsed-preset .sidebar .logo{
      margin: 0;
      cursor: pointer;
      pointer-events: auto;
    }

    .logo:disabled,
    html.tablet-sidebar-locked .sidebar.is-collapsed .logo,
    html.tablet-sidebar-locked.sidebar-collapsed-preset .sidebar .logo{
      cursor: default;
      pointer-events: none;
      opacity: 1;
    }

    .logo-mark,
    .sidebar.is-collapsed .logo-mark,
    html.sidebar-collapsed-preset .sidebar .logo-mark{
      width: 29px;
      height: 29px;
      min-width: 29px;
      min-height: 29px;
      display: block;
      object-fit: cover;
      border-radius: 6px;
      opacity: 1;
      visibility: visible;
      transform: none;
      transition: none;
    }

    .sidebar-collapse-toggle{
      transition:
        color 180ms ease,
        background 180ms ease,
        border-color 180ms ease,
        opacity 180ms ease;
      right: 18px;
      left: auto;
    }

    .sidebar.is-collapsed .sidebar-collapse-toggle,
    html.sidebar-collapsed-preset .sidebar .sidebar-collapse-toggle{
      right: 18px;
      left: auto;
      transform: translateY(-50%);
      opacity: 0;
      visibility: hidden;
      pointer-events: none;
    }

    .workspace-menu,
    .workspace-menu.is-open,
    .sidebar.is-collapsed .workspace-menu,
    .sidebar.is-collapsed .workspace-menu.is-open,
    html.sidebar-collapsed-preset .sidebar .workspace-menu,
    html.sidebar-collapsed-preset .sidebar .workspace-menu.is-open{
      display: block;
      opacity: 1;
      transform: none;
      grid-template-rows: none;
      pointer-events: auto;
      margin-top: 17px;
      margin-bottom: 0;
    }

    .workspace-menu > .sidebar-nav-block{
      min-height: 0;
      overflow: visible;
    }

    .nav-list,
    .nav-list--block,
    .sidebar.is-collapsed .nav-list,
    .sidebar.is-collapsed .nav-list--block,
    html.sidebar-collapsed-preset .sidebar .nav-list,
    html.sidebar-collapsed-preset .sidebar .nav-list--block{
      gap: var(--sidebar-nav-gap);
    }

    .sidebar-nav-block,
    .sidebar.is-collapsed .sidebar-nav-block,
    html.sidebar-collapsed-preset .sidebar .sidebar-nav-block{
      margin-bottom: 13px;
      padding-bottom: 6px;
      border-bottom: 1px solid #d7d7d7;
    }

    .sidebar-nav-block--subscription,
    .sidebar.is-collapsed .sidebar-nav-block--subscription,
    html.sidebar-collapsed-preset .sidebar .sidebar-nav-block--subscription{
      margin-bottom: 15px;
      padding-bottom: 8px;
      border-bottom: 1px solid #d7d7d7;
    }

    .sidebar-nav-block--help,
    .sidebar.is-collapsed .sidebar-nav-block--help,
    html.sidebar-collapsed-preset .sidebar .sidebar-nav-block--help{
      margin-bottom: 0;
      padding-bottom: 0;
      border-bottom: none;
    }

    .sidebar-nav-block--new-chat,
    .sidebar.is-collapsed .sidebar-nav-block--new-chat,
    html.sidebar-collapsed-preset .sidebar .sidebar-nav-block--new-chat{
      margin-top: 9px;
      margin-bottom: var(--sidebar-new-chat-gap);
      padding-top: 8px;
      padding-bottom: 0;
      border-top: 1px solid #d7d7d7;
      border-bottom: none;
    }

    .sidebar-nav-title,
    .sidebar.is-collapsed .sidebar-nav-title,
    html.sidebar-collapsed-preset .sidebar .sidebar-nav-title{
      height: var(--sidebar-title-height);
      min-height: var(--sidebar-title-height);
      line-height: var(--sidebar-title-height);
      margin: 0 6px 7px;
      font-size: 10px;
      font-weight: 700;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      transform: none;
    }

    .sidebar-nav-title{
      max-width: 140px;
      color: #8f8f8f;
      opacity: 1;
      visibility: visible;
      transition: opacity 160ms ease;
    }

    .sidebar.is-collapsed .sidebar-nav-title,
    html.sidebar-collapsed-preset .sidebar .sidebar-nav-title{
      max-width: calc(var(--sidebar-rail) - 2px);
      color: #8f8f8f;
      opacity: 1;
      visibility: visible;
      pointer-events: none;
    }

    .sidebar.is-collapsed .sidebar-nav-title::before,
    html.sidebar-collapsed-preset .sidebar .sidebar-nav-title::before{
      content: none;
    }

    .nav-item a,
    .sidebar.is-expanding .nav-item a,
    .sidebar.is-collapsed .nav-item a,
    html.sidebar-collapsed-preset .sidebar .nav-item a{
      width: 100%;
      height: var(--sidebar-rail);
      min-height: var(--sidebar-rail);
      display: grid;
      grid-template-columns: var(--sidebar-rail) minmax(0, 1fr);
      column-gap: 6px;
      align-items: center;
      padding: 0;
      margin: 0;
      line-height: 1;
      border-radius: 12px;
      overflow: hidden;
      transform: none;
      transition: background 140ms ease, color 140ms ease;
    }

    .nav-icon,
    .sidebar.is-expanding .nav-icon,
    .sidebar.is-collapsed .nav-icon,
    html.sidebar-collapsed-preset .sidebar .nav-icon{
      width: var(--sidebar-rail);
      height: var(--sidebar-rail);
      min-width: var(--sidebar-rail);
      min-height: var(--sidebar-rail);
      display: grid;
      place-items: center;
      align-self: center;
      justify-self: start;
      margin: 0;
      line-height: 0;
      transform: none;
      transition: none;
      backface-visibility: hidden;
    }

    .nav-icon svg,
    .nav-item a i,
    .nav-item a svg{
      display: block;
      flex: 0 0 auto;
    }

    .nav-label,
    .sidebar.is-collapsed .nav-label,
    html.sidebar-collapsed-preset .sidebar .nav-label{
      height: var(--sidebar-rail);
      max-width: 180px;
      display: flex;
      align-items: center;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      transform: none;
      transition: opacity 180ms ease;
    }

    .sidebar.is-collapsed .nav-label,
    html.sidebar-collapsed-preset .sidebar .nav-label{
      opacity: 0;
      pointer-events: none;
    }

    .sidebar.is-collapsed .nav-item.active a,
    html.sidebar-collapsed-preset .sidebar .nav-item.active a{
      width: 100%;
      height: var(--sidebar-rail);
      min-height: var(--sidebar-rail);
      border-radius: 12px;
    }

    .history-section,
    .workspace-menu.is-open + .history-section,
    .sidebar.is-collapsed .workspace-menu.is-open + .history-section,
    html.sidebar-collapsed-preset .sidebar .workspace-menu.is-open + .history-section{
      margin-top: 0;
      padding-top: var(--sidebar-history-gap);
      border-top: 1px solid #d7d7d7;
    }

    .sidebar.is-collapsed .history-section,
    html.sidebar-collapsed-preset .sidebar .history-section,
    .sidebar.is-collapsed .workspace-menu.is-open + .history-section,
    html.sidebar-collapsed-preset .sidebar .workspace-menu.is-open + .history-section{
      margin-top: 0;
      padding-top: var(--sidebar-history-gap-collapsed);
      border-top: 1px solid #d7d7d7;
    }

    .sidebar.is-collapsing .collapsed-history-toggle,
    .sidebar.is-collapsed .collapsed-history-toggle,
    html.sidebar-collapsed-preset .sidebar .collapsed-history-toggle{
      display: grid;
      width: var(--sidebar-rail);
      height: var(--sidebar-rail);
      margin: 0;
      place-items: center;
      justify-self: start;
      border-radius: 10px;
      transform: none;
      line-height: 0;
    }

    .collapsed-history-toggle svg{
      display: block;
      width: 20px !important;
      height: 20px !important;
      transform: translateX(1px);
    }

    .sidebar.is-collapsed .collapsed-history-toggle.is-open,
    html.sidebar-collapsed-preset .sidebar .collapsed-history-toggle.is-open{
      background: #111111;
      color: #fafafa;
    }
    @media (prefers-reduced-motion: reduce) {
      .sidebar,
      .sidebar *,
      .sidebar *::before,
      .sidebar *::after{
        transition: none !important;
        animation: none !important;
      }
    }

    /* Reverse sidebar palette */
    .sidebar{
      --sidebar-milk: #ffffff;
      --sidebar-milk-soft: #ffffff;
    }

    .sidebar{
      background: #0b0b0b;
      border-right: 1px solid #1f1f1f;
    }

    .sidebar-top,
    .sidebar.is-collapsed .sidebar-top,
    html.sidebar-collapsed-preset .sidebar .sidebar-top{
      background: #0b0b0b;
      border-bottom: 1px solid #232323;
    }

    .sidebar-collapse-toggle{
      background: transparent;
      border-color: transparent;
      color: var(--sidebar-milk);
    }

    .sidebar-collapse-toggle:hover{
      background: #171717;
      border-color: #171717;
      color: var(--sidebar-milk);
    }

    .sidebar-nav-block,
    .sidebar.is-collapsed .sidebar-nav-block,
    html.sidebar-collapsed-preset .sidebar .sidebar-nav-block{
      border-bottom-color: #232323;
    }

    .sidebar-nav-block--new-chat,
    .sidebar.is-collapsed .sidebar-nav-block--new-chat,
    html.sidebar-collapsed-preset .sidebar .sidebar-nav-block--new-chat{
      border-top-color: #232323;
    }

    .history-section,
    .workspace-menu.is-open + .history-section,
    .sidebar.is-collapsed .workspace-menu.is-open + .history-section,
    html.sidebar-collapsed-preset .sidebar .workspace-menu.is-open + .history-section{
      border-top-color: #232323;
    }

    .sidebar-nav-title{
      color: #b3b3b3;
    }

    .history-count,
    .collapsed-popover-title,
    .sidebar-history-popover-title{
      color: #ffffff;
    }

    .nav-item a{
      color: #ffffff;
    }

    .nav-item a i,
    .nav-item a svg{
      color: #ffffff;
    }

    .sidebar .nav-item:not(.active) > a,
    .sidebar .nav-item:not(.active) > a .nav-label,
    .sidebar .nav-item:not(.active) > a i,
    .sidebar .nav-item:not(.active) > a svg{
      color: #ffffff;
    }

    .nav-item a:hover{
      background: #171717;
      color: #ffffff;
    }

    .nav-item a:hover i,
    .nav-item a:hover svg{
      color: #ffffff;
    }

    .nav-item.active a{
      background: var(--sidebar-milk);
      color: #111111;
    }

    .nav-item.active a i,
    .nav-item.active a svg{
      color: #111111;
    }

    .sidebar.is-collapsed .nav-item.active a,
    html.sidebar-collapsed-preset .sidebar .nav-item.active a{
      background: var(--sidebar-milk);
      color: #111111;
    }

    .sidebar.is-collapsed .nav-item.active a i,
    .sidebar.is-collapsed .nav-item.active a svg,
    html.sidebar-collapsed-preset .sidebar .nav-item.active a i,
    html.sidebar-collapsed-preset .sidebar .nav-item.active a svg{
      color: #111111;
    }

    .collapsed-history-toggle{
      color: #ffffff;
    }

    .collapsed-history-toggle:hover,
    .collapsed-history-toggle.is-open{
      background: #171717;
      color: var(--sidebar-milk);
    }

    .sidebar-history-popover,
    .collapsed-new-chat-popover{
      background: #111111;
      border-color: #2a2a2a;
      box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
    }

    .sidebar-history-popover-item{
      color: #ffffff;
    }

    .sidebar-history-popover-item:hover{
      color: #ffffff;
    }

    .history-item{
      color: #ffffff;
    }

    .history-item:hover{
      background: #171717;
      color: #ffffff;
    }

    .history-item.current{
      color: #ffffff;
    }

    .history-delete{
      color: rgba(255, 255, 255, 0.35);
    }

    .sidebar-footer{
      border-top-color: #232323;
      background: transparent;
    }

    .workspace-name{
      color: #ffffff;
    }

    .workspace-plan,
    .workspace-arrow{
      color: #ffffff;
    }

    .workspace-card:hover{
      background: #171717;
    }

    .new-chat-input{
      border-color: #2b2b2b;
      background: #141414;
      color: #ffffff;
    }

    .new-chat-input::placeholder{
      color: #8f8f8f;
    }

    .new-chat-submit{
      border-color: #111111;
      background: #ffc83f;
      color: #111111;
    }

    .new-chat-submit:hover{
      border-color: #111111;
      background: #ffd55a;
      color: #111111;
    }

    .account-name{
      color: #ffffff;
    }

    .account-mail{
      color: #8f8f8f;
    }

    .sidebar-history-popover-item{
      width: 100%;
      border: 0;
      background: transparent;
      text-align: left;
      font-family: var(--font);
      cursor: pointer;
    }

    .history-delete{
      border: 0;
      background: transparent;
      cursor: pointer;
      padding: 0;
    }

    .history-delete:disabled{
      opacity: 0.5;
      cursor: not-allowed;
    }

    .history-empty{
      display: block;
      padding: 2px 8px 6px;
      color: rgba(255, 255, 255, 0.52);
      font-size: 12px;
      font-weight: 500;
      line-height: 1.35;
    }

    .new-chat-quota{
      height: var(--sidebar-title-height);
      min-height: var(--sidebar-title-height);
      line-height: var(--sidebar-title-height);
      margin: 0 6px 7px;
      max-width: 140px;
      color: #b3b3b3;
      font-size: 10px;
      font-weight: 700;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .new-chat-submit:disabled{
      opacity: 0.62;
      cursor: not-allowed;
      box-shadow: none;
    }

    .collapsed-history-toggle{
      position: relative;
    }

    .collapsed-chat-quota-badge{
      display: none;
      position: absolute;
      right: -7px;
      top: 50%;
      min-width: 22px;
      height: 14px;
      padding: 0 4px;
      border-radius: 999px;
      background: #ffc83f;
      color: #111111;
      font-size: 8px;
      font-weight: 800;
      line-height: 14px;
      letter-spacing: 0.01em;
      text-align: center;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.32);
      pointer-events: none;
      transform: translateY(-50%);
    }

    .collapsed-history-toggle svg{
      width: 22px !important;
      height: 22px !important;
      stroke-width: 1.9 !important;
    }

    .sidebar.is-collapsed .collapsed-chat-quota-badge,
    html.sidebar-collapsed-preset .sidebar .collapsed-chat-quota-badge{
      display: inline-block;
    }

    .sidebar.is-collapsed .new-chat-quota,
    html.sidebar-collapsed-preset .sidebar .new-chat-quota{
      display: none;
    }

    .nav-item > a.is-disabled,
    .nav-item > a.is-disabled .nav-label,
    .nav-item > a.is-disabled i,
    .nav-item > a.is-disabled svg{
      pointer-events: none !important;
      cursor: not-allowed !important;
      color: #aaafb5 !important;
      background: transparent !important;
    }

    .sidebar.is-locked .nav-item:not(.nav-item-public) > a,
    .sidebar.is-locked .nav-item:not(.nav-item-public) > a .nav-label,
    .sidebar.is-locked .nav-item:not(.nav-item-public) > a i,
    .sidebar.is-locked .nav-item:not(.nav-item-public) > a svg{
      color: #aaafb5 !important;
      background: transparent !important;
      pointer-events: none !important;
      cursor: not-allowed !important;
    }

    .sidebar.is-locked .nav-item:not(.nav-item-public).active > a,
    .sidebar.is-locked .nav-item:not(.nav-item-public).active > a .nav-label,
    .sidebar.is-locked .nav-item:not(.nav-item-public).active > a i,
    .sidebar.is-locked .nav-item:not(.nav-item-public).active > a svg{
      color: #aaafb5 !important;
      background: transparent !important;
      border-color: transparent !important;
    }

    .sidebar.is-locked .new-chat-input,
    .sidebar.is-locked .new-chat-submit,
    .sidebar.is-locked .collapsed-history-toggle{
      pointer-events: none !important;
      cursor: not-allowed !important;
      opacity: 0.62;
    }

    .sidebar.is-locked .nav-item-public > a,
    .sidebar.is-locked .nav-item-public > a .nav-label,
    .sidebar.is-locked .nav-item-public > a i,
    .sidebar.is-locked .nav-item-public > a svg{
      pointer-events: auto !important;
      cursor: pointer !important;
    }

    .sidebar.is-locked .nav-item-public.active > a,
    .sidebar.is-locked .nav-item-public.active > a .nav-label,
    .sidebar.is-locked .nav-item-public.active > a i,
    .sidebar.is-locked .nav-item-public.active > a svg{
      pointer-events: auto !important;
      cursor: pointer !important;
    }

    .sidebar.is-collapsed .sidebar-history-popover,
    .sidebar.is-collapsed .collapsed-new-chat-popover,
    html.sidebar-collapsed-preset .sidebar .sidebar-history-popover,
    html.sidebar-collapsed-preset .sidebar .collapsed-new-chat-popover{
      position: fixed;
      left: 66px;
      width: 312px;
      padding: 0;
      border: 1px solid #2a2a2a;
      border-radius: 8px;
      background: #111111;
      box-shadow: none;
      overflow: hidden;
    }

    .sidebar.is-collapsed .sidebar-history-popover,
    html.sidebar-collapsed-preset .sidebar .sidebar-history-popover{
      transform: translateY(-50%);
    }

    .sidebar.is-collapsed .collapsed-new-chat-popover,
    html.sidebar-collapsed-preset .sidebar .collapsed-new-chat-popover{
      transform: translateY(-50%);
    }

    .sidebar.is-collapsed .collapsed-popover-title,
    .sidebar.is-collapsed .sidebar-history-popover-title,
    html.sidebar-collapsed-preset .sidebar .collapsed-popover-title,
    html.sidebar-collapsed-preset .sidebar .sidebar-history-popover-title{
      min-height: 46px;
      display: flex;
      align-items: center;
      margin: 0;
      padding: 0 16px;
      border-bottom: 1px solid #242424;
      background: #111111;
      color: #ffffff;
      font-size: 14px;
      font-weight: 650;
      line-height: 1.1;
    }

    .sidebar.is-collapsed .collapsed-new-chat-popover .new-chat-panel-inner,
    html.sidebar-collapsed-preset .sidebar .collapsed-new-chat-popover .new-chat-panel-inner{
      display: grid;
      gap: 10px;
      padding: 14px 16px 16px;
      background: #111111;
    }

    .sidebar.is-collapsed .collapsed-new-chat-popover .new-chat-input,
    html.sidebar-collapsed-preset .sidebar .collapsed-new-chat-popover .new-chat-input{
      height: 38px;
      border: 1px solid #303030;
      border-radius: 6px;
      background: #151515;
      color: #ffffff;
      font-size: 13px;
    }

    .sidebar.is-collapsed .collapsed-new-chat-popover .new-chat-input:focus,
    html.sidebar-collapsed-preset .sidebar .collapsed-new-chat-popover .new-chat-input:focus{
      border-color: #303030;
    }

    .sidebar.is-collapsed .collapsed-new-chat-popover .new-chat-submit,
    html.sidebar-collapsed-preset .sidebar .collapsed-new-chat-popover .new-chat-submit{
      height: 36px;
      border: 0;
      border-radius: 6px;
      background: #ffffff;
      color: #111111;
      box-shadow: none;
      font-size: 10px;
    }

    .sidebar.is-collapsed .collapsed-new-chat-popover .new-chat-submit:hover,
    html.sidebar-collapsed-preset .sidebar .collapsed-new-chat-popover .new-chat-submit:hover{
      background: #e9e9e9;
      box-shadow: none;
    }

    .sidebar.is-collapsed #sidebarHistoryPopoverList,
    html.sidebar-collapsed-preset .sidebar #sidebarHistoryPopoverList{
      max-height: none;
      padding: 6px 0;
      overflow: hidden;
      background: #111111;
    }

    .sidebar.is-collapsed #sidebarHistoryPopoverList.has-scroll,
    html.sidebar-collapsed-preset .sidebar #sidebarHistoryPopoverList.has-scroll{
      max-height: 222px;
      overflow-y: auto;
      overflow-x: hidden;
      scrollbar-width: thin;
      scrollbar-color: #9a9a9a #171717;
    }

    .sidebar.is-collapsed #sidebarHistoryPopoverList.has-scroll::-webkit-scrollbar,
    html.sidebar-collapsed-preset .sidebar #sidebarHistoryPopoverList.has-scroll::-webkit-scrollbar{
      width: 8px;
    }

    .sidebar.is-collapsed #sidebarHistoryPopoverList.has-scroll::-webkit-scrollbar-track,
    html.sidebar-collapsed-preset .sidebar #sidebarHistoryPopoverList.has-scroll::-webkit-scrollbar-track{
      background: #171717;
    }

    .sidebar.is-collapsed #sidebarHistoryPopoverList.has-scroll::-webkit-scrollbar-thumb,
    html.sidebar-collapsed-preset .sidebar #sidebarHistoryPopoverList.has-scroll::-webkit-scrollbar-thumb{
      background: #9a9a9a;
      border-radius: 999px;
      border: 2px solid #171717;
    }

    .sidebar.is-collapsed .sidebar-history-popover-item,
    html.sidebar-collapsed-preset .sidebar .sidebar-history-popover-item{
      min-height: 42px;
      display: flex;
      align-items: center;
      width: 100%;
      padding: 0 16px;
      border: 0;
      border-radius: 0;
      background: transparent;
      color: #f4f4f4;
      font-size: 13px;
      font-weight: 600;
      line-height: 1.25;
      text-align: left;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      transform: none;
    }

    .sidebar.is-collapsed .sidebar-history-popover-item:hover,
    html.sidebar-collapsed-preset .sidebar .sidebar-history-popover-item:hover{
      background: #171717;
      color: #ffffff;
      transform: none;
    }

    .sidebar.is-collapsed .sidebar-history-popover-item.current,
    html.sidebar-collapsed-preset .sidebar .sidebar-history-popover-item.current{
      background: #ffffff;
      color: #111111;
    }

    .sidebar.is-collapsed .sidebar-history-popover-item.is-locked,
    .sidebar.is-collapsed .sidebar-history-popover-item.is-frozen,
    html.sidebar-collapsed-preset .sidebar .sidebar-history-popover-item.is-locked,
    html.sidebar-collapsed-preset .sidebar .sidebar-history-popover-item.is-frozen{
      color: #777777;
      opacity: 1;
    }

    .sidebar.is-collapsed .sidebar-history-popover-divider,
    html.sidebar-collapsed-preset .sidebar .sidebar-history-popover-divider{
      margin: 6px 0 4px;
      padding: 8px 14px 4px;
      border-top: 1px solid #242424;
      color: #b3b3b3;
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.08em;
    }

    .sidebar.is-collapsed .sidebar-history-popover .history-empty,
    html.sidebar-collapsed-preset .sidebar .sidebar-history-popover .history-empty{
      padding: 14px 16px 16px;
      color: #9a9a9a;
    }

    @media (min-width: 761px) {
      .sidebar.is-collapsed,
      html.sidebar-collapsed-preset .sidebar,
      .sidebar.is-collapsed .workspace-menu,
      html.sidebar-collapsed-preset .sidebar .workspace-menu,
      .sidebar.is-collapsed .sidebar-nav-block--new-chat,
      html.sidebar-collapsed-preset .sidebar .sidebar-nav-block--new-chat,
      .sidebar.is-collapsed .history-section,
      html.sidebar-collapsed-preset .sidebar .history-section{
        overflow: visible;
      }

      .sidebar.is-collapsed .sidebar-scroll,
      html.sidebar-collapsed-preset .sidebar .sidebar-scroll{
        min-height: 0;
        display: flex;
        flex: 1 1 auto;
        flex-direction: column;
        overflow-y: auto;
        overflow-x: hidden;
        overscroll-behavior: contain;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        -ms-overflow-style: none;
      }
    }

    @media (min-width: 761px) and (max-width: 1250px) {
      .sidebar-collapse-toggle {
        opacity: 0.38;
        pointer-events: none;
        cursor: not-allowed;
      }

      .logo {
        pointer-events: none;
      }
    }

    .mobile-sidebar-backdrop{
      position: fixed;
      inset: 0;
      z-index: 140;
      background: rgba(0, 0, 0, 0.42);
      backdrop-filter: blur(2px);
      opacity: 0;
      pointer-events: none;
      transition: opacity 220ms ease;
    }

    .mobile-sidebar-backdrop[hidden]{
      display: none;
    }

    html.mobile-sidebar-open .mobile-sidebar-backdrop{
      opacity: 1;
      pointer-events: auto;
    }

    @media (max-width: 760px) {
      .app{
        height: 100dvh;
      }

      .main-shell{
        width: 100%;
        flex: 1 1 100%;
      }

      .sidebar,
      .sidebar.is-collapsed,
      html.sidebar-collapsed-preset .sidebar{
        position: fixed;
        inset: 0 auto 0 0;
        z-index: 160;
        width: min(88vw, 320px);
        min-width: 0;
        max-width: 320px;
        flex: none;
        height: 100dvh;
        background: #0b0b0b;
        border-right: 1px solid #242424;
        box-shadow: none;
        overflow: hidden;
        transform: translateX(-105%);
        transition: transform 240ms cubic-bezier(.2, .72, .24, 1);
        will-change: transform;
      }

      html.mobile-sidebar-open .sidebar,
      html.mobile-sidebar-open .sidebar.is-collapsed,
      html.mobile-sidebar-open.sidebar-collapsed-preset .sidebar{
        transform: translateX(0);
      }

      html.mobile-sidebar-open,
      html.mobile-sidebar-open body{
        overflow: hidden;
      }

      .sidebar-top,
      .sidebar.is-collapsed .sidebar-top,
      html.sidebar-collapsed-preset .sidebar .sidebar-top{
        min-height: 60px;
        padding: 16px 14px 13px;
        justify-content: flex-start;
      }

      .logo,
      .sidebar.is-collapsed .logo,
      html.sidebar-collapsed-preset .sidebar .logo{
        left: 14px;
        max-width: 29px;
        pointer-events: none;
      }

      .sidebar-collapse-toggle,
      .sidebar.is-collapsed .sidebar-collapse-toggle,
      html.sidebar-collapsed-preset .sidebar .sidebar-collapse-toggle{
        top: 50%;
        right: 12px;
        width: 36px;
        height: 36px;
        display: grid;
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        background: transparent;
        border-color: transparent;
        color: #ffffff;
      }

      .sidebar-collapse-toggle:hover,
      .sidebar.is-collapsed .sidebar-collapse-toggle:hover,
      html.sidebar-collapsed-preset .sidebar .sidebar-collapse-toggle:hover{
        background: #171717;
        border-color: #171717;
      }

      .sidebar-scroll,
      .sidebar.is-collapsed .sidebar-scroll,
      html.sidebar-collapsed-preset .sidebar .sidebar-scroll{
        padding: 2px 12px 12px;
        overflow-y: auto;
        scrollbar-width: thin;
        scrollbar-color: #6e6e6e transparent;
      }

      .sidebar-scroll::-webkit-scrollbar{
        display: block;
        width: 6px;
      }

      .sidebar-scroll::-webkit-scrollbar-track{
        background: transparent;
      }

      .sidebar-scroll::-webkit-scrollbar-thumb{
        background: #6e6e6e;
        border-radius: 999px;
      }

      .workspace-menu,
      .workspace-menu.is-open,
      .sidebar.is-collapsed .workspace-menu,
      .sidebar.is-collapsed .workspace-menu.is-open,
      html.sidebar-collapsed-preset .sidebar .workspace-menu,
      html.sidebar-collapsed-preset .sidebar .workspace-menu.is-open{
        display: block;
        margin-top: 15px;
        margin-bottom: 0;
        opacity: 1;
        transform: none;
        pointer-events: auto;
      }

      .sidebar-nav-title,
      .sidebar.is-collapsed .sidebar-nav-title,
      html.sidebar-collapsed-preset .sidebar .sidebar-nav-title{
        max-width: 190px;
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
      }

      .nav-item a,
      .sidebar.is-collapsed .nav-item a,
      html.sidebar-collapsed-preset .sidebar .nav-item a{
        grid-template-columns: var(--sidebar-rail) minmax(0, 1fr);
        column-gap: 6px;
      }

      .nav-label,
      .sidebar.is-collapsed .nav-label,
      html.sidebar-collapsed-preset .sidebar .nav-label{
        max-width: 190px;
        opacity: 1;
        pointer-events: auto;
      }

      .new-chat-panel,
      .sidebar.is-collapsed .new-chat-panel,
      html.sidebar-collapsed-preset .sidebar .new-chat-panel{
        display: grid;
      }

      .new-chat-quota,
      .sidebar.is-collapsed .new-chat-quota,
      html.sidebar-collapsed-preset .sidebar .new-chat-quota{
        display: block;
      }

      .collapsed-history-toggle,
      .sidebar.is-collapsed .collapsed-history-toggle,
      html.sidebar-collapsed-preset .sidebar .collapsed-history-toggle,
      .collapsed-chat-quota-badge,
      .sidebar.is-collapsed .collapsed-chat-quota-badge,
      html.sidebar-collapsed-preset .sidebar .collapsed-chat-quota-badge{
        display: none;
      }

      .sidebar-history-popover,
      .collapsed-new-chat-popover,
      .sidebar.is-collapsed .sidebar-history-popover,
      .sidebar.is-collapsed .collapsed-new-chat-popover,
      html.sidebar-collapsed-preset .sidebar .sidebar-history-popover,
      html.sidebar-collapsed-preset .sidebar .collapsed-new-chat-popover{
        display: none !important;
      }

      .history-section,
      .sidebar.is-collapsed .history-section,
      html.sidebar-collapsed-preset .sidebar .history-section,
      .workspace-menu.is-open + .history-section,
      .sidebar.is-collapsed .workspace-menu.is-open + .history-section,
      html.sidebar-collapsed-preset .sidebar .workspace-menu.is-open + .history-section{
        margin-top: 0;
        padding-top: 8px;
        border-top-color: #232323;
      }

      .history-list,
      .sidebar.is-collapsed .history-list,
      html.sidebar-collapsed-preset .sidebar .history-list{
        max-height: min(32vh, 220px);
        overflow-y: auto;
        overflow-x: hidden;
        opacity: 1;
        pointer-events: auto;
        scrollbar-width: thin;
        scrollbar-color: #6e6e6e transparent;
      }

      .history-list::-webkit-scrollbar{
        display: block;
        width: 6px;
      }

      .history-list::-webkit-scrollbar-track{
        background: transparent;
      }

      .history-list::-webkit-scrollbar-thumb{
        background: #6e6e6e;
        border-radius: 999px;
      }

      .history-text,
      .sidebar.is-collapsed .history-text,
      html.sidebar-collapsed-preset .sidebar .history-text{
        max-width: none;
        opacity: 1;
      }

      .history-item,
      .sidebar.is-collapsed .history-item,
      html.sidebar-collapsed-preset .sidebar .history-item{
        display: grid;
        grid-template-columns: minmax(0, 1fr) 28px;
        align-items: center;
        gap: 8px;
        padding-right: 2px;
      }

      .history-delete,
      .sidebar.is-collapsed .history-delete,
      html.sidebar-collapsed-preset .sidebar .history-delete{
        display: flex;
        opacity: 1;
        width: 28px;
        height: 28px;
        color: rgba(255, 255, 255, 0.62);
        border-radius: 6px;
        flex: 0 0 28px;
        justify-self: end;
      }

      .history-delete:hover,
      .sidebar.is-collapsed .history-delete:hover,
      html.sidebar-collapsed-preset .sidebar .history-delete:hover{
        background: #171717;
        color: #ffffff;
      }

      .history-delete i,
      .history-delete svg{
        width: 12px !important;
        height: 12px !important;
      }

      .sidebar-footer,
      .sidebar.is-collapsed .sidebar-footer,
      html.sidebar-collapsed-preset .sidebar .sidebar-footer{
        padding: 12px;
        opacity: 1;
      }

      .account,
      .sidebar.is-collapsed .account,
      html.sidebar-collapsed-preset .sidebar .account{
        width: 100%;
        min-width: 0;
        grid-template-columns: 40px minmax(0, 1fr);
        column-gap: 10px;
        padding: 0;
      }

      .account-avatar,
      .sidebar.is-collapsed .account-avatar,
      html.sidebar-collapsed-preset .sidebar .account-avatar{
        width: 32px;
        height: 32px;
        justify-self: center;
      }

      .account-info,
      .sidebar.is-collapsed .account-info,
      html.sidebar-collapsed-preset .sidebar .account-info{
        display: flex;
        flex-direction: column;
        justify-content: center;
        max-width: 190px;
        opacity: 1;
        pointer-events: auto;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      .mobile-sidebar-backdrop{
        transition: none;
      }
    }

    /* Final sidebar scroll model: the shell can scroll on short screens, with scrollbars hidden. */
    .sidebar:not(.is-collapsed){
      height: 100vh;
      max-height: 100vh;
    }

    .sidebar:not(.is-collapsed) .sidebar-scroll{
      min-height: 0;
      display: flex;
      flex: 1 1 auto;
      flex-direction: column;
      overflow-y: auto;
      overflow-x: hidden;
      overscroll-behavior: contain;
      -webkit-overflow-scrolling: touch;
      scrollbar-width: none;
      -ms-overflow-style: none;
    }

    .sidebar:not(.is-collapsed) .sidebar-scroll::-webkit-scrollbar{
      display: none;
      width: 0;
      height: 0;
    }

    .sidebar:not(.is-collapsed) .workspace-menu{
      flex: 0 0 auto;
    }

    .sidebar:not(.is-collapsed) .history-section{
      min-height: 72px;
      display: flex;
      flex: 0 0 auto;
      flex-direction: column;
      overflow: visible;
    }

    .sidebar:not(.is-collapsed) .history-list{
      min-height: 0;
      max-height: none;
      flex: 0 0 auto;
      overflow-y: visible;
      overflow-x: hidden;
      padding-right: 2px;
    }

    .sidebar.is-collapsed .collapsed-new-chat-popover,
    .sidebar.is-collapsed .sidebar-history-popover,
    html.sidebar-collapsed-preset .sidebar .collapsed-new-chat-popover,
    html.sidebar-collapsed-preset .sidebar .sidebar-history-popover{
      border-color: #2a2a2a;
    }

    .sidebar.is-collapsed .collapsed-new-chat-popover .new-chat-panel-inner,
    html.sidebar-collapsed-preset .sidebar .collapsed-new-chat-popover .new-chat-panel-inner{
      gap: 8px;
      padding: 12px 14px 14px;
    }

    .sidebar.is-collapsed .collapsed-new-chat-popover .collapsed-popover-title,
    html.sidebar-collapsed-preset .sidebar .collapsed-new-chat-popover .collapsed-popover-title{
      padding-left: 14px;
      padding-right: 14px;
    }

    .sidebar.is-collapsed .sidebar-history-popover .sidebar-history-popover-title,
    html.sidebar-collapsed-preset .sidebar .sidebar-history-popover .sidebar-history-popover-title{
      padding-left: 14px;
      padding-right: 14px;
    }

    .sidebar.is-collapsed #sidebarHistoryPopoverList,
    html.sidebar-collapsed-preset .sidebar #sidebarHistoryPopoverList{
      padding: 6px 0;
    }

    .sidebar.is-collapsed .sidebar-history-popover-item,
    html.sidebar-collapsed-preset .sidebar .sidebar-history-popover-item{
      padding-left: 14px;
      padding-right: 14px;
    }

    .sidebar.is-collapsed .collapsed-new-chat-popover .new-chat-submit,
    html.sidebar-collapsed-preset .sidebar .collapsed-new-chat-popover .new-chat-submit{
      height: 32px;
      background: #ffc83f;
      color: #111111;
    }

    .sidebar.is-collapsed .collapsed-new-chat-popover .new-chat-submit:hover,
    html.sidebar-collapsed-preset .sidebar .collapsed-new-chat-popover .new-chat-submit:hover{
      background: #ffd55a;
      color: #111111;
    }

    .sidebar.is-collapsed #sidebarHistoryPopoverList.has-scroll,
    html.sidebar-collapsed-preset .sidebar #sidebarHistoryPopoverList.has-scroll{
      overscroll-behavior: contain;
      -webkit-overflow-scrolling: touch;
    }

    .sidebar.is-collapsed #sidebarHistoryPopoverList.has-scroll::-webkit-scrollbar,
    html.sidebar-collapsed-preset .sidebar #sidebarHistoryPopoverList.has-scroll::-webkit-scrollbar{
      display: block;
      width: 6px;
    }

    .sidebar.is-collapsed .sidebar-history-popover-item,
    html.sidebar-collapsed-preset .sidebar .sidebar-history-popover-item{
      display: grid;
      grid-template-columns: minmax(0, 1fr) 28px;
      column-gap: 8px;
      align-items: center;
      padding: 0 14px;
      cursor: pointer;
    }

    .sidebar.is-collapsed .sidebar-history-popover-item.current,
    html.sidebar-collapsed-preset .sidebar .sidebar-history-popover-item.current{
      background: #1b1b1b;
      color: #ffffff;
    }

    .sidebar-history-popover-text{
      min-width: 0;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .sidebar-history-delete{
      width: 28px;
      height: 28px;
      padding: 0;
      border: 0;
      border-radius: 6px;
      background: transparent;
      color: rgba(255, 255, 255, 0.62);
      display: grid;
      place-items: center;
      cursor: pointer;
      opacity: 0.9;
      transition: background .14s ease, color .14s ease;
    }

    .sidebar-history-delete:hover{
      background: #222222;
      color: #ffffff;
    }

    .sidebar-history-popover-item.current .sidebar-history-delete{
      color: rgba(255, 255, 255, 0.72);
    }

    .sidebar-history-popover-item.current .sidebar-history-delete:hover{
      background: #242424;
      color: #ffffff;
    }

    .sidebar-history-popover-item.is-locked .sidebar-history-delete,
    .sidebar-history-popover-item.is-frozen .sidebar-history-delete{
      color: #777777;
    }

    .sidebar-history-delete i,
    .sidebar-history-delete svg{
      width: 13px !important;
      height: 13px !important;
      stroke-width: 2.1 !important;
    }

    @media (max-width: 760px) {
      .sidebar,
      .sidebar.is-collapsed,
      html.sidebar-collapsed-preset .sidebar{
        display: flex;
        flex-direction: column;
      }

      .sidebar-scroll,
      .sidebar.is-collapsed .sidebar-scroll,
      html.sidebar-collapsed-preset .sidebar .sidebar-scroll{
        min-height: 0;
        display: flex;
        flex: 1 1 auto;
        flex-direction: column;
        overflow-y: auto;
        overflow-x: hidden;
        overscroll-behavior: contain;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        -ms-overflow-style: none;
      }

      .sidebar-scroll::-webkit-scrollbar{
        display: none;
      }

      .workspace-menu,
      .workspace-menu.is-open,
      .sidebar.is-collapsed .workspace-menu,
      .sidebar.is-collapsed .workspace-menu.is-open,
      html.sidebar-collapsed-preset .sidebar .workspace-menu,
      html.sidebar-collapsed-preset .sidebar .workspace-menu.is-open{
        flex: 0 0 auto;
      }

      .history-section,
      .sidebar.is-collapsed .history-section,
      html.sidebar-collapsed-preset .sidebar .history-section{
        min-height: 88px;
        display: flex;
        flex: 0 0 auto;
        flex-direction: column;
        overflow: visible;
      }

      .history-list,
      .sidebar.is-collapsed .history-list,
      html.sidebar-collapsed-preset .sidebar .history-list{
        min-height: 0;
        max-height: none;
        flex: 0 0 auto;
        overflow-y: visible;
        overflow-x: hidden;
      }

      .history-delete,
      .sidebar.is-collapsed .history-delete,
      html.sidebar-collapsed-preset .sidebar .history-delete{
        width: 30px;
        height: 30px;
        flex-basis: 30px;
      }

      .history-delete i,
      .history-delete svg{
        width: 15px !important;
        height: 15px !important;
        stroke-width: 2.1 !important;
      }
    }

    /* Final polish: keep sidebar scrolling functional without visible scrollbars. */
    .sidebar:not(.is-collapsed) .sidebar-scroll,
    .sidebar:not(.is-collapsed) .history-list,
    .sidebar.is-collapsed #sidebarHistoryPopoverList.has-scroll,
    html.sidebar-collapsed-preset .sidebar #sidebarHistoryPopoverList.has-scroll{
      scrollbar-width: none;
      -ms-overflow-style: none;
    }

    .sidebar:not(.is-collapsed) .sidebar-scroll::-webkit-scrollbar,
    .sidebar:not(.is-collapsed) .history-list::-webkit-scrollbar,
    .sidebar.is-collapsed #sidebarHistoryPopoverList.has-scroll::-webkit-scrollbar,
    html.sidebar-collapsed-preset .sidebar #sidebarHistoryPopoverList.has-scroll::-webkit-scrollbar{
      display: none;
      width: 0;
      height: 0;
    }

    .sidebar .new-chat-input,
    .sidebar .new-chat-input:hover,
    .sidebar .new-chat-input:active,
    .sidebar .new-chat-input:focus,
    .sidebar .new-chat-input:focus-visible{
      border: 1px solid #303030 !important;
      outline: none !important;
      box-shadow: none !important;
    }

    .sidebar.is-collapsed .sidebar-history-popover-item,
    html.sidebar-collapsed-preset .sidebar .sidebar-history-popover-item{
      grid-template-columns: minmax(0, 1fr) 22px;
      column-gap: 4px;
      padding-left: 14px;
      padding-right: 10px;
    }

    .sidebar-history-delete{
      width: 22px;
      height: 22px;
      border-radius: 5px;
    }

    .sidebar .nav-item.active > a,
    .sidebar.is-collapsed .nav-item.active > a,
    html.sidebar-collapsed-preset .sidebar .nav-item.active > a{
      background: #f4c73f;
      color: #111111;
      box-shadow: none;
    }

    .sidebar .nav-item.active > a i,
    .sidebar .nav-item.active > a svg,
    .sidebar.is-collapsed .nav-item.active > a i,
    .sidebar.is-collapsed .nav-item.active > a svg,
    html.sidebar-collapsed-preset .sidebar .nav-item.active > a i,
    html.sidebar-collapsed-preset .sidebar .nav-item.active > a svg{
      color: #111111;
    }

    .new-chat-submit,
    .sidebar.is-collapsed .collapsed-new-chat-popover .new-chat-submit,
    html.sidebar-collapsed-preset .sidebar .collapsed-new-chat-popover .new-chat-submit{
      border-color: #303030;
      background: #f4c73f;
      color: #111111;
      box-shadow: none;
    }

    .new-chat-submit:hover,
    .sidebar.is-collapsed .collapsed-new-chat-popover .new-chat-submit:hover,
    html.sidebar-collapsed-preset .sidebar .collapsed-new-chat-popover .new-chat-submit:hover{
      border-color: #303030;
      background: #ffd55a;
      color: #111111;
      box-shadow: none;
    }

    .sidebar.is-collapsed .collapsed-new-chat-popover .new-chat-panel-inner,
    html.sidebar-collapsed-preset .sidebar .collapsed-new-chat-popover .new-chat-panel-inner{
      gap: 10px;
      padding: 20px 14px;
    }

    .sidebar .new-chat-input{
      -webkit-appearance: none;
      appearance: none;
    }

    .sidebar .new-chat-panel.is-open{
      margin-top: 9px;
    }

    .sidebar .new-chat-panel-inner,
    .sidebar.is-collapsed .collapsed-new-chat-popover .new-chat-panel-inner,
    html.sidebar-collapsed-preset .sidebar .collapsed-new-chat-popover .new-chat-panel-inner{
      display: grid;
      grid-template-columns: minmax(0, 1fr) 36px;
      align-items: center;
      gap: 0;
      transition: transform 0.12s ease;
    }

    .sidebar .new-chat-panel-inner:has(.new-chat-submit:active),
    .sidebar.is-collapsed .collapsed-new-chat-popover .new-chat-panel-inner:has(.new-chat-submit:active),
    html.sidebar-collapsed-preset .sidebar .collapsed-new-chat-popover .new-chat-panel-inner:has(.new-chat-submit:active){
      transform: translateY(1px);
    }

    .sidebar .new-chat-input,
    .sidebar .new-chat-submit,
    .sidebar.is-collapsed .collapsed-new-chat-popover .new-chat-input,
    .sidebar.is-collapsed .collapsed-new-chat-popover .new-chat-submit,
    html.sidebar-collapsed-preset .sidebar .collapsed-new-chat-popover .new-chat-input,
    html.sidebar-collapsed-preset .sidebar .collapsed-new-chat-popover .new-chat-submit{
      height: 36px;
    }

    .sidebar .new-chat-submit,
    .sidebar.is-collapsed .collapsed-new-chat-popover .new-chat-submit,
    html.sidebar-collapsed-preset .sidebar .collapsed-new-chat-popover .new-chat-submit{
      width: 36px;
      min-width: 36px;
      padding: 0;
      border: 1px solid #303030;
      border-left: 0;
      border-radius: 0 8px 8px 0;
      display: inline-grid;
      place-items: center;
      line-height: 1;
    }

    .sidebar .new-chat-submit:active,
    .sidebar.is-collapsed .collapsed-new-chat-popover .new-chat-submit:active,
    html.sidebar-collapsed-preset .sidebar .collapsed-new-chat-popover .new-chat-submit:active{
      transform: none;
    }

    .sidebar .new-chat-input,
    .sidebar .new-chat-input:hover,
    .sidebar .new-chat-input:active,
    .sidebar .new-chat-input:focus,
    .sidebar .new-chat-input:focus-visible{
      border-right: 0 !important;
      border-radius: 8px 0 0 8px;
    }

    #newChatToggle[aria-expanded="true"]{
      background: #4aa3df;
      color: #111111;
      box-shadow: none;
    }

    #newChatToggle[aria-expanded="true"] i,
    #newChatToggle[aria-expanded="true"] svg{
      color: #111111;
    }

    .sidebar .new-chat-submit i,
    .sidebar .new-chat-submit svg{
      width: 16px !important;
      height: 16px !important;
      stroke-width: 2.4 !important;
    }

    .history-item,
    .sidebar-history-popover-item,
    .sidebar.is-collapsed .sidebar-history-popover-item,
    html.sidebar-collapsed-preset .sidebar .sidebar-history-popover-item{
      color: rgba(255, 255, 255, 0.52);
    }

    .history-item.current,
    .sidebar-history-popover-item.current,
    .sidebar.is-collapsed .sidebar-history-popover-item.current,
    html.sidebar-collapsed-preset .sidebar .sidebar-history-popover-item.current{
      background: transparent;
      color: #ffffff;
      box-shadow: none;
      font-weight: 700;
    }

    .history-item:hover,
    .sidebar-history-popover-item:hover,
    .sidebar.is-collapsed .sidebar-history-popover-item:hover,
    html.sidebar-collapsed-preset .sidebar .sidebar-history-popover-item:hover{
      color: #ffffff;
    }

    .sidebar-nav-block,
    .sidebar.is-collapsed .sidebar-nav-block,
    html.sidebar-collapsed-preset .sidebar .sidebar-nav-block{
      margin-bottom: 16px;
      padding-bottom: 9px;
    }

    .sidebar-nav-block--subscription,
    .sidebar.is-collapsed .sidebar-nav-block--subscription,
    html.sidebar-collapsed-preset .sidebar .sidebar-nav-block--subscription{
      margin-bottom: 18px;
      padding-bottom: 11px;
    }

    .sidebar-nav-block--help,
    .sidebar.is-collapsed .sidebar-nav-block--help,
    html.sidebar-collapsed-preset .sidebar .sidebar-nav-block--help{
      margin-bottom: 0;
      padding-bottom: 0;
    }

    .sidebar-nav-block--new-chat,
    .sidebar.is-collapsed .sidebar-nav-block--new-chat,
    html.sidebar-collapsed-preset .sidebar .sidebar-nav-block--new-chat{
      margin-top: 12px;
      margin-bottom: 3px;
      padding-top: 11px;
    }

    .history-section,
    .workspace-menu.is-open + .history-section,
    .sidebar.is-collapsed .workspace-menu.is-open + .history-section,
    html.sidebar-collapsed-preset .sidebar .workspace-menu.is-open + .history-section{
      padding-top: calc(var(--sidebar-history-gap) + 3px);
    }