:root{color:#17191d;font-synthesis:none;text-rendering:optimizelegibility;--ink:#17191d;--muted:#747b87;--line:#e3e6ea;--line-strong:#d7dbe1;--surface:#fff;--surface-subtle:#f7f8fa;--blue:#2f6feb;--blue-dark:#235bc7;--blue-soft:#edf3ff;--green:#1e9b67;--amber:#b7791f;background:#f4f5f7;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html,body,#root{width:100%;min-width:320px;min-height:100%;margin:0}body{min-height:100vh;overflow:hidden}button,input,textarea,select{font:inherit}button,select{cursor:pointer}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,a:focus-visible{outline-offset:1px;outline:3px solid #2f6feb3d}.operator-shell{background:var(--surface);grid-template-columns:64px minmax(300px,350px) minmax(420px,1fr) 292px;height:100vh;min-height:560px;display:grid}.app-rail{z-index:2;color:#a7adb8;background:#17191d;flex-direction:column;align-items:center;gap:20px;padding:16px 10px;display:flex;position:relative}.brand-mark{color:#fff;background:var(--blue);border-radius:11px;place-items:center;width:36px;height:36px;font-size:17px;font-weight:750;text-decoration:none;display:grid}.rail-actions{flex-direction:column;gap:8px;width:100%;display:flex}.rail-button{width:44px;height:44px;color:inherit;background:0 0;border:0;border-radius:11px;place-items:center;margin:0 auto;padding:0;display:grid}.rail-button:hover,.rail-button.is-active{color:#fff;background:#2a2d33}.rail-button--bottom{margin-top:auto}.inbox-pane,.chat-pane,.details-pane{min-width:0;min-height:0}.inbox-pane{border-right:1px solid var(--line);background:var(--surface);flex-direction:column;display:flex;position:relative}.inbox-header{justify-content:space-between;align-items:center;min-height:91px;padding:18px 20px 13px;display:flex;position:relative}.eyebrow{color:#949aa4;letter-spacing:.08em;text-transform:uppercase;margin-bottom:5px;font-size:11px;font-weight:650;display:block}.inbox-header 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