.topbar{position:fixed;top:0;left:0;right:0;height:52px;background:var(--color-surface);border-bottom:1px solid var(--color-border);box-shadow:0 1px 3px rgba(0,0,0,.06);z-index:100}.topbar,.topbar-logo{display:flex;align-items:center}.topbar-logo{width:220px;height:100%;padding:0 14px;border-right:1px solid var(--color-border)}.topbar-logo__image{height:48px;width:auto;flex-shrink:0}.topbar-actions{margin-left:auto;display:flex;align-items:center;gap:16px;padding:0 20px}.topbar-bell{border:none;background:var(--color-nav-active-bg);color:var(--color-primary);cursor:pointer}.topbar-avatar,.topbar-bell{width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center}.topbar-avatar{background:var(--color-primary);color:var(--color-on-brand);font-size:12px;font-weight:700}.sidebar{position:fixed;top:52px;left:0;bottom:0;width:220px;display:flex;flex-direction:column;background:var(--color-surface);border-right:1px solid var(--color-border)}.sidebar-nav{flex:1 1;overflow-y:auto;padding:12px 0}.sidebar-group:not(:first-child):before{content:"";display:block;height:1px;background:var(--color-divider);margin:12px 16px}.sidebar-group__heading{font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:1px;color:var(--color-text-subtle);padding:0 16px 6px}.sidebar-item{display:flex;align-items:center;gap:10px;margin:2px 8px;padding:8px 12px;border-radius:var(--radius-8);font-size:13px;line-height:18px;color:var(--color-text-secondary);text-decoration:none}.sidebar-item:hover{background:var(--color-surface-2)}.sidebar-item__icon{flex-shrink:0;color:var(--color-text-muted)}.sidebar-item--active{background:var(--color-nav-active-bg);font-weight:600}.sidebar-item--active,.sidebar-item--active .sidebar-item__icon{color:var(--color-primary)}.sidebar-user{position:-webkit-sticky;position:sticky;bottom:0;background:var(--color-surface);border-top:1px solid var(--color-divider);padding:10px 8px 8px}.sidebar-user__row{display:flex;align-items:center;gap:10px;padding:9px 10px;margin-bottom:6px;background:var(--color-surface-2);border:1px solid var(--color-border);border-radius:var(--radius-10);text-decoration:none}.sidebar-user__lock{flex-shrink:0;color:var(--color-text-subtle)}.sidebar-user__avatar{width:32px;height:32px;border-radius:8px;background:var(--gradient-avatar-blue);color:var(--color-on-brand);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;flex-shrink:0}.sidebar-user__meta{display:flex;flex-direction:column;flex:1 1;min-width:0;overflow:hidden}.sidebar-user__name{font-size:12px;font-weight:600;color:var(--color-text)}.sidebar-user__role{font-size:10px;color:var(--color-text-subtle)}.sidebar-user__actions,.sidebar-user__btn{display:flex;gap:4px}.sidebar-user__btn{flex:1 1;align-items:center;justify-content:center;padding:6px;font-family:var(--font-sans);font-size:11px;font-weight:500;border:1px solid transparent;border-radius:7px;cursor:pointer;text-decoration:none;background:var(--color-surface-muted);color:var(--color-text-secondary)}.sidebar-user__btn--logout{background:var(--color-danger-tint);border-color:var(--color-danger-tint-border);color:var(--color-danger)}.app-content{margin-top:52px;margin-left:220px;min-height:calc(100vh - 52px);background:var(--color-bg);padding:28px 32px}