:root{--bg-primary:#f0f0f0;--bg-secondary:#fff;--bg-card:#fff;--bg-input:#f5f5f5;--bg-hover:#f0f0f0;--bg-active:#e8e8e8;--text-primary:#111;--text-secondary:#555;--text-muted:#999;--text-inverse:#fff;--accent:#111;--accent-hover:#333;--accent-light:#0000000d;--success:#333;--warning:#888;--error:#555;--info:#777;--border:#e0e0e0;--border-light:#ebebeb;--divider:#e5e5e5;--shadow-sm:0 1px 2px #0000000a;--shadow-md:0 2px 8px #0000000f;--sidebar-width:220px;--topbar-height:48px;--bottom-nav-height:52px;--radius-sm:6px;--radius-md:8px;--radius-lg:12px;--transition-fast:.12s ease;--transition-normal:.2s ease;--safe-area-top:env(safe-area-inset-top,0px);--safe-area-bottom:env(safe-area-inset-bottom,0px);--font-family:-apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Microsoft YaHei", 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0;display:flex}.pager-total{color:var(--text-muted);margin-right:8px;font-size:.7rem}.invite-code{color:#2e7d32;letter-spacing:2px;cursor:pointer;background:#e8f5e9;border-radius:6px;padding:5px 12px;font-family:monospace;font-size:.78rem;font-weight:600;transition:transform .1s}.invite-code:hover{transform:scale(1.05)}.invite-code-used{color:#bbb;letter-spacing:1px;background:#f5f5f5;border-radius:6px;padding:4px 10px;font-family:monospace;font-size:.72rem;text-decoration:line-through}.status-tag{border-radius:10px;padding:1px 6px;font-size:.6rem;font-weight:500}.sub-label{color:var(--text-secondary);margin-bottom:6px;font-size:.72rem;font-weight:500}.avatar{border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:34px;height:34px;font-size:.8rem;font-weight:600;display:flex}.hidden{display:none!important}#app{min-height:100dvh;display:flex}.sidebar{width:var(--sidebar-width);background:var(--bg-secondary);border-right:1px solid 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