.shell{--rail-w:260px;--stick-top:0px}html[data-rail=collapsed] .shell{--rail-w:56px}@media (max-width:899px){.shell{--stick-top:calc(40px + env(safe-area-inset-top, 0px))}html[data-chrome=hidden] .shell{--stick-top:0px}}@media (min-width:900px){.shell>.shell-sidebar{position:-webkit-sticky;position:sticky;top:0;height:100dvh;overflow:hidden;width:var(--rail-w);transition:width .16s ease}@media (prefers-reduced-motion:reduce){.shell>.shell-sidebar{transition:none}}html[data-rail=collapsed] .shell>.shell-sidebar{padding:12px}}.rail{display:flex;flex-direction:column;gap:20px;height:100%;min-height:0}.rail-head{display:flex;justify-content:space-between;gap:8px}.rail-collapse,.rail-head{align-items:center;flex-shrink:0}.rail-collapse{width:32px;height:32px;display:inline-flex;justify-content:center;border-radius:var(--radius-s);border:1px solid var(--line);background:var(--card);color:var(--muted);cursor:pointer}.rail-collapse:hover{background:var(--surface2)}.rail-collapse-chevron{display:inline-block;font-size:16px;line-height:1;transition:transform .16s ease}.rail-collapse-chevron.flipped{transform:rotate(180deg)}@media (prefers-reduced-motion:reduce){.rail-collapse-chevron{transition:none}}html[data-rail=collapsed] .shell-sidebar .rail-head{flex-direction:column;gap:8px}html[data-rail=collapsed] .shell-sidebar .wordmark-word{display:none}html[data-rail=collapsed] .shell-sidebar .agent-status-row{justify-content:center;padding:8px 0}html[data-rail=collapsed] .shell-sidebar .agent-status-text{display:none}.rail-scroll{flex:1 1;min-height:0;overflow-y:auto}html[data-rail=collapsed] .shell-sidebar .rail-scroll{display:none}.rail-appearance{display:flex;align-items:center;gap:6px;flex-shrink:0}html[data-rail=collapsed] .shell-sidebar .rail-appearance{display:none}.rail-appearance-dot-btn{width:28px;height:28px;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;background:none;border:none;padding:0;cursor:pointer}.rail-appearance-dot{width:18px;height:18px;border-radius:50%;border:1px solid var(--line);box-sizing:border-box;display:inline-block}.rail-appearance-dot-btn[aria-pressed=true] .rail-appearance-dot{border-color:transparent;box-shadow:0 0 0 2px var(--ink)}.rail-appearance-divider{width:1px;height:18px;background:var(--line);margin:0 2px;flex-shrink:0}.rail-appearance-glyph{width:28px;height:28px;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;background:none;border:none;padding:0;cursor:pointer}.rail-appearance-glyph-sketch{display:inline-block;width:10px;height:10px;border:1.5px solid var(--muted);box-shadow:2px 2px 0 var(--muted)}.rail-appearance-glyph-zen{display:inline-block;width:12px;height:12px;border-radius:50%;border:1.5px solid var(--muted)}.rail-appearance-glyph.selected .rail-appearance-glyph-sketch{border-color:var(--ink);box-shadow:2px 2px 0 var(--ink)}.rail-appearance-glyph.selected .rail-appearance-glyph-zen{border-color:var(--ink)}.rail-me{display:flex;align-items:center;gap:8px;min-width:0;flex-shrink:0;margin-top:auto;padding-top:12px;border-top:1px solid var(--line)}.rail-me:hover .rail-me-name{text-decoration:underline}.rail-me-avatar{width:28px;height:28px;border-radius:50%;border:1px solid var(--line);flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;color:var(--text2);font-size:12px}.rail-me-name{flex:1 1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.rail-me-gear{flex-shrink:0;color:var(--muted);font-size:14px}html[data-rail=collapsed] .shell-sidebar .rail-me{justify-content:center}html[data-rail=collapsed] .shell-sidebar .rail-me-gear,html[data-rail=collapsed] .shell-sidebar .rail-me-name{display:none}@media (max-width:899px){.sheet-overlay .rail-collapse{display:none}.sheet-overlay .rail-scroll{overflow:visible;flex:none}}.ctx-modal-overlay{position:fixed;inset:0;background:color-mix(in srgb,var(--ink) 40%,transparent);z-index:60;display:flex;align-items:center;justify-content:center;padding:24px}.ctx-modal{width:100%;max-width:640px;max-height:85vh;overflow:hidden;background:var(--card);border:1px solid var(--ink);border-radius:var(--radius-m);box-shadow:4px 4px 0 var(--ink);display:flex;flex-direction:column}html[data-style=zen] .ctx-modal{border:1px solid var(--line);box-shadow:none;border-radius:8px}.ctx-modal-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 16px 12px 20px;border-bottom:1px solid var(--line);flex-shrink:0}.ctx-modal-close{flex-shrink:0}.ctx-modal-body{flex:1 1;min-height:0;overflow-y:auto;padding:20px}@media (max-width:899px){.ctx-modal-overlay{display:none}}