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.nav-tour{display:none}@media (min-width:901px){.nav-tour{display:none}}.main{display:flex;flex-direction:column;min-width:0;margin-left:224px}.topbar{gap:16px;padding:14px 24px;background:var(--sh-bg);position:-webkit-sticky;position:sticky;top:0;z-index:30;min-height:64px}.tb-left,.topbar{display:flex;align-items:center}.tb-left{gap:24px;min-width:0}.tb-right{margin-left:auto;display:flex;align-items:center;gap:10px}.tb-bell{position:relative;display:inline-grid;place-items:center;width:38px;height:38px;background:var(--sh-surface);color:var(--sh-text-2);border:1px solid var(--sh-border);border-radius:10px;cursor:pointer;transition:background .12s ease,border-color .12s ease,color .12s ease}.tb-bell:not(:disabled):hover{background:var(--sh-surface-2);border-color:var(--sh-accent);color:var(--sh-accent)}.tb-bell:disabled{opacity:.5;cursor:not-allowed}a.tb-bell{text-decoration:none}.tb-bell-badge{position:absolute;top:-5px;right:-5px;min-width:17px;height:17px;padding:0 4px;border-radius:999px;background:var(--sh-danger);color:#fff;font-size:10px;font-weight:800;line-height:17px;text-align:center}.tb-channel{position:relative}.tb-channel-trigger{display:flex;align-items:center;gap:12px;padding:6px 12px 6px 6px;background:var(--sh-surface);border:1px solid var(--sh-border);border-radius:12px;cursor:pointer;transition:border-color .12s ease,box-shadow .12s ease;min-width:0;font-family:inherit}.tb-channel-trigger:disabled{cursor:default}.tb-channel-trigger:not(:disabled):hover{border-color:var(--sh-accent);box-shadow:0 0 0 3px var(--sh-accent-soft)}.tb-channel-trigger.is-switching{opacity:.6}.tb-channel-thumb{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--sh-accent-2),var(--sh-accent));overflow:hidden;display:grid;place-items:center;flex-shrink:0}.tb-channel-thumb img{width:100%;height:100%;object-fit:cover;display:block}.tb-channel-thumb-fallback{color:#fff;font-weight:800;font-size:16px}.tb-channel-text{display:flex;flex-direction:column;gap:1px;min-width:0;text-align:left}.tb-channel-name{font-size:13.5px;font-weight:700;color:var(--sh-text);max-width:220px}.tb-channel-meta,.tb-channel-name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.tb-channel-meta{font-size:10.5px;color:var(--sh-muted);font-weight:500}.tb-channel-chev{color:var(--sh-muted);flex-shrink:0}.tb-channel-menu{position:absolute;top:calc(100% + 8px);left:0;min-width:280px;background:var(--sh-surface);border:1px solid var(--sh-border);border-radius:12px;box-shadow:0 12px 32px rgba(11,11,27,.12);padding:6px;z-index:50;animation:tb-menu-in .16s ease-out}@keyframes tb-menu-in{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.tb-channel-menu-item{display:flex;align-items:center;gap:10px;padding:8px 10px;background:transparent;border:none;border-radius:8px;cursor:pointer;width:100%;text-align:left;font-family:inherit}.tb-channel-menu-item:hover{background:var(--sh-surface-2)}.tb-channel-menu-item.is-active{background:var(--sh-accent-soft)}.tb-channel-menu-thumb{width:28px;height:28px;border-radius:50%;background:linear-gradient(135deg,var(--sh-accent-2),var(--sh-accent));overflow:hidden;display:grid;place-items:center;flex-shrink:0}.tb-channel-menu-thumb img{width:100%;height:100%;object-fit:cover}.tb-channel-menu-thumb 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.sidebar-close:active,.app-responsive .sidebar-close:hover{background:color-mix(in srgb,var(--sh-accent) 6%,transparent);color:var(--sh-text)}.app-responsive .tb-menu{box-shadow:0 2px 8px rgba(11,11,27,.1);display:inline-flex;align-items:center;justify-content:center;position:fixed;top:6px;left:8px;width:44px;height:44px;z-index:35;border-radius:10px;background:var(--sh-surface);border:1px solid var(--sh-border);color:var(--sh-text);cursor:pointer;padding:0}.app-responsive .tb-menu:active,.app-responsive .tb-menu:hover,.app-responsive .tb-menu[aria-expanded=true]{background:color-mix(in srgb,var(--sh-accent) 6%,transparent)}.app-responsive .topbar{position:static;flex-wrap:wrap;padding:8px 16px;gap:6px 10px;min-height:56px}.app-responsive .tb-left,.app-responsive .tb-right{display:contents}.app-responsive .topbar:after{content:"";flex-basis:100%;height:0;order:4}.app-responsive .topbar .page-title{order:1;flex:1 1 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(prefers-reduced-motion:reduce){.app-responsive .sidebar{transition:none}}