.shell-header{align-items:center;background:var(--canvas);border-bottom:1px solid var(--hairline);box-shadow:var(--shadow);color:var(--ink);display:flex;gap:8px;height:var(--header-h);inset:0 0 auto;padding:0 12px;position:fixed;z-index:40}.shell-burger,.shell-icon-btn{background:none;border:0;border-radius:50%;color:var(--ink-muted);cursor:pointer;display:grid;flex:none;height:42px;place-items:center;transition:background-color .2s var(--ease),color .2s var(--ease);width:42px}.shell-burger:hover,.shell-icon-btn:hover{background:var(--hover);color:var(--accent)}.shell-burger{display:none}.shell-brand{align-items:center;color:var(--ink);display:flex;font-size:14px;gap:16px;height:100%;min-width:0;padding:0 8px;text-decoration:none}.shell-brand:hover{color:var(--accent)}.brand-logo{flex:none;height:36px;transition:transform .3s var(--ease);width:auto}.shell-brand:hover .brand-logo{transform:scale(1.03)}.brand-app{border-left:1px solid var(--hairline);font-weight:500;padding-left:16px}.shell-actions{align-items:center;display:flex;gap:4px;margin-left:auto}.shell-theme{margin-right:8px}.shell-user{align-items:center;border-radius:50px;color:var(--ink);display:flex;gap:10px;min-width:0;padding:6px 12px 6px 6px;text-decoration:none;transition:background-color .2s var(--ease)}.shell-user:hover{background:var(--hover);color:var(--ink)}.avatar{background:var(--brand-soft);border-radius:50%;color:var(--accent);display:grid;flex:none;font-size:13px;font-weight:600;height:36px;place-items:center;width:36px}.shell-user-text{display:flex;flex-direction:column;font-size:14px;font-weight:500;line-height:1.25;max-width:220px;min-width:0}.shell-user-text small{color:var(--ink-subtle);font-size:12px;font-weight:400}.shell-nav{background:var(--canvas);border-right:1px solid var(--hairline);bottom:0;display:flex;flex-direction:column;left:0;overflow-y:auto;overscroll-behavior:contain;padding:12px 0 0;position:fixed;top:var(--header-h);width:var(--nav-w);z-index:30}.nav-list{list-style:none;margin:0 15px;padding:0}.nav-list li{padding:1px 0}.nav-heading{align-items:center;color:var(--ink-subtle);display:flex;font-size:11px;font-weight:600;justify-content:space-between;letter-spacing:.05em;margin:18px 0 4px;padding:0 19px;text-transform:uppercase}.nav-heading .num{background:var(--brand-soft);border-radius:9px;color:var(--accent);display:grid;height:18px;letter-spacing:0;min-width:20px;padding:0 6px;place-items:center}.nav-link{align-items:center;border-radius:8px;color:var(--nav-ink);display:flex;font-size:14px;gap:12px;line-height:1.29;min-height:40px;padding:10px 15px;text-decoration:none;transition:background-color .3s var(--ease),color .3s var(--ease)}.nav-link svg{flex:none;transition:transform .3s var(--ease)}.nav-link:hover{color:var(--ink)}.nav-link:hover svg{transform:translate(2px)}.nav-link.active{background:var(--brand-soft);color:var(--accent);font-weight:500}.nav-empty{color:var(--ink-subtle);font-size:13px;padding:8px 15px}.nav-skel{padding:10px 15px}.nav-skel span{height:16px}.nav-foot{background:var(--body-bg);border-radius:var(--radius-lg);color:var(--ink-subtle);display:flex;font-size:12px;gap:8px;line-height:1.4;margin:auto 15px 15px;padding:12px}.nav-foot svg{flex:none;margin-top:1px}.shell-main{margin-left:var(--nav-w);min-height:100dvh;outline:none;padding-top:var(--header-h)}.shell-scrim{display:none}@media(max-width:1055px){.shell-burger{display:grid}.shell-brand{padding-left:0}.shell-nav{box-shadow:var(--shadow-lg);transform:translate(-100%);transition:transform .3s var(--ease-out),visibility 0s linear .3s;visibility:hidden}.shell-nav.open{transform:none;transition:transform .3s var(--ease-out);visibility:visible}.shell-scrim{background:#21252e66;display:block;inset:var(--header-h) 0 0;opacity:0;pointer-events:none;position:fixed;transition:opacity .3s var(--ease);z-index:25}.shell-scrim.open{opacity:1;pointer-events:auto}.shell-main{margin-left:0}}@media(max-width:671px){.brand-app,.shell-user-text{display:none}.shell-user{padding:3px}}