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4px);left:12px;right:12px;overflow:hidden;box-shadow:0 14px 34px #0000002e}.shell-usermenu .hd{border-bottom:1px solid var(--line);color:var(--ink-3);text-overflow:ellipsis;white-space:nowrap;padding:12px 14px;font-size:12px;overflow:hidden}.shell-usermenu button{width:100%;color:var(--ink);text-align:left;cursor:pointer;background:0 0;border:none;align-items:center;gap:8px;padding:10px 14px;font-family:inherit;font-size:13px;display:flex}.shell-usermenu button:hover{background:var(--panel-2)}.shell-main{flex-direction:column;min-width:0;display:flex}.shell-topbar{z-index:20;background:var(--paper);border-bottom:1px solid var(--line);align-items:center;gap:14px;padding:12px 26px;display:flex;position:sticky;top:0}.shell-crumb{font-family:var(--f-mono);color:var(--ink-3);white-space:nowrap;font-size:12px}.shell-crumb b{color:var(--ink);font-weight:600}.shell-meta{min-width:0;max-width:360px;font-family:var(--f-mono);color:var(--ink-3);align-items:center;gap:5px;font-size:11.5px;display:inline-flex;overflow:hidden}.shell-meta svg{flex:none}.shell-meta-text{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.shell-spacer{flex:1}.shell-search{border:1px solid var(--line-2);background:var(--panel);min-width:190px;color:var(--ink-3);cursor:pointer;border-radius:8px;align-items:center;gap:7px;padding:7px 11px;font-family:inherit;font-size:12.5px;display:inline-flex}.shell-search:hover{border-color:var(--blue);color:var(--blue)}.shell-search .kbd{border:1px solid var(--line);font-family:var(--f-mono);color:var(--ink-3);border-radius:4px;margin-left:auto;padding:1px 5px;font-size:10px}.shell-btn{border:1px solid var(--line-2);background:var(--panel);color:var(--ink);font-family:var(--f-ui);cursor:pointer;border-radius:8px;align-items:center;gap:7px;padding:8px 13px;font-size:13px;font-weight:600;display:inline-flex}.shell-btn:hover{border-color:var(--blue);color:var(--blue)}.shell-btn-primary{background:var(--blue);color:var(--panel);border-color:var(--blue-2)}.shell-btn-primary:hover{background:var(--blue-2);color:var(--panel)}.shell-dot{background:var(--blue);border-radius:50%;flex:none;width:7px;height:7px}.shell-nav-toggle{color:var(--ink);cursor:pointer;background:0 0;border:none;border-radius:6px;justify-content:center;align-items:center;padding:6px;display:none}.shell-nav-toggle:hover{background:var(--panel-2)}.shell-content{padding:26px 26px 60px}.shell-archive-banner{background:var(--amber-soft);border:1px solid var(--amber);color:var(--ink);border-radius:8px;align-items:center;gap:8px;margin-bottom:16px;padding:10px 14px;font-size:13px;display:flex}.shell-archive-banner .btn{margin-left:auto}.shell-scrim{z-index:55;background:#0f172a59;position:fixed;inset:0}@media (width<=900px){.shell{grid-template-columns:1fr}.shell-rail{overscroll-behavior:contain;z-index:60;width:236px;height:100vh;transition:transform .2s;position:fixed;top:0;bottom:0;left:0;transform:translate(-100%);box-shadow:0 0 40px #00000038}.shell-rail.open{transform:translate(0)}.shell-nav-toggle{display:inline-flex}.shell-more-popup{width:100%;margin-top:4px;margin-left:0;top:100%;left:0}}@media (prefers-reduced-motion:reduce){.shell-rail{transition:none}}