:root{color:#22241f;font-synthesis:none;text-rendering:optimizelegibility;font-family:Microsoft YaHei UI,PingFang SC,Noto Sans CJK SC,system-ui,sans-serif}*{box-sizing:border-box}body{background:#f1f0eb;min-width:320px;min-height:100vh;margin:0}button,textarea{font:inherit}button:focus-visible,textarea:focus-visible{outline-offset:2px;outline:3px solid #6c7a4b47}.rtrugs-shell{background:radial-gradient(circle at 66% 8%,#d2ccb657,#0000 30%),#f1f0eb;grid-template-rows:64px minmax(0,1fr) 34px;min-height:100vh;display:grid}.topbar{z-index:2;background:#faf9f5f2;border-bottom:1px solid #d8d5ca;grid-template-columns:minmax(220px,1fr) auto minmax(220px,1fr);align-items:center;gap:20px;padding:0 22px;display:grid;box-shadow:0 4px 16px #26261e0a}.brand-lockup,.environment-strip,.top-actions,.connection-state{align-items:center;display:flex}.brand-lockup{gap:11px}.brand-mark{color:#f9f8f3;letter-spacing:-1px;background:#30332b;border-radius:10px;place-items:center;width:36px;height:36px;font-family:Georgia,serif;display:grid}.brand-lockup strong,.brand-lockup small{display:block}.brand-lockup strong{letter-spacing:.02em;font-family:Georgia,Times New Roman,serif;font-size:17px}.brand-lockup small{color:#79796f;margin-top:2px;font-size:10px}.environment-strip{gap:8px;font-size:12px}.environment-strip>span{border-radius:999px;padding:5px 9px}.environment-badge{color:#4d5144;background:#e6e4dc}.simulation-badge{color:#7a4a23;background:#f4dfc4;font-weight:700}.connection-state{color:#64665e;gap:6px}.connection-state i{background:#c28a53;border-radius:50%;width:7px;height:7px}.top-actions{justify-content:flex-end;gap:8px}.top-actions button{color:#44473e;cursor:pointer;background:#f8f7f2;border:1px solid #d5d2c7;border-radius:8px;min-height:34px}.pause-button{padding:0 12px;color:#7c4524!important;background:#fff7ef!important;border-color:#d7ad8a!important}.icon-button,.avatar-button{padding:0 11px}.application-grid{grid-template-columns:196px minmax(520px,1fr) 318px;min-height:0;display:grid}.center-navigation{color:#d8dacd;background:#30332b;border-right:1px solid #d4d1c6;flex-direction:column;min-height:0;padding:18px 13px 12px;display:flex}.center-navigation button{color:#c4c7ba;text-align:left;cursor:pointer;background:0 0;border:0;border-radius:9px;grid-template-columns:28px 1fr;align-items:center;gap:7px;width:100%;min-height:48px;padding:0 11px;display:grid}.center-navigation button:hover{background:#ffffff0d}.center-navigation button.active{color:#fffdf5;background:#555b48;box-shadow:inset 3px 0 #c7b786}.nav-index{color:#999d8e;font-family:Georgia,serif;font-size:11px}.navigation-footer{color:#9ea092;border-top:1px solid #ffffff1a;justify-content:space-between;margin-top:auto;padding:13px 10px 4px;font-size:11px;display:flex}.navigation-footer strong{color:#dcdecf}.workspace{min-width:0;padding:clamp(18px,2vw,30px);overflow:auto}.workspace-heading{justify-content:space-between;align-items:flex-start;gap:24px;display:flex}.eyebrow{color:#77796d;letter-spacing:.13em;text-transform:uppercase;margin:0 0 7px;font-size:10px;font-weight:700}.workspace-heading h1{margin:0;font-family:Georgia,Songti SC,serif;font-size:clamp(28px,2.2vw,38px);font-weight:500}.workspace-heading p:not(.eyebrow){color:#66675e;max-width:670px;margin:8px 0 0;font-size:13px;line-height:1.7}.workspace-heading time{color:#737369;background:#ffffff73;border:1px solid #d4d0c3;border-radius:7px;flex:none;padding:7px 10px;font-size:11px}.status-grid{grid-template-columns:repeat(4,minmax(120px,1fr));gap:11px;margin-top:24px;display:grid}.status-grid article{background:#faf9f5c7;border:1px solid #d9d6cc;border-radius:10px;min-height:108px;padding:15px;box-shadow:0 8px 22px #2f302809}.status-grid span,.status-grid small,.status-grid strong{display:block}.status-grid span{color:#686a60;font-size:11px}.status-grid strong{color:#30332b;margin:7px 0 4px;font-family:Georgia,serif;font-size:25px;font-weight:500}.status-grid small{color:#929187;font-size:10px}.conversation-panel{background:#faf9f5d6;border:1px solid #d8d5cb;border-radius:12px;flex-direction:column;min-height:420px;margin-top:14px;padding:18px;display:flex;box-shadow:0 10px 30px #2f30280b}.system-message{background:#eeeee6;border-left:3px solid #8c9275;border-radius:4px 9px 9px 4px;max-width:720px;padding:14px 16px}.message-label{color:#666b56;font-size:10px;font-weight:700}.system-message p{color:#4f5149;margin:7px 0 0;font-size:12px;line-height:1.75}.empty-timeline{color:#87877d;text-align:center;flex:1;place-content:center;display:grid}.empty-timeline div{color:#9ba087;font-family:Georgia,serif;font-size:24px}.empty-timeline p{color:#5f6158;margin:8px 0 4px;font-size:12px}.empty-timeline small{font-size:10px}.composer{background:#fffefa;border:1px solid #d0cdc2;border-radius:10px;padding:12px;box-shadow:0 5px 18px #2a2b230d}.composer label{color:#66685f;font-size:10px;font-weight:700;display:block}.composer textarea{resize:vertical;color:#30322d;background:0 0;border:0;width:100%;margin-top:5px;line-height:1.6}.composer textarea::placeholder{color:#aaa99f}.composer>div{border-top:1px solid #ebe8df;justify-content:space-between;align-items:center;gap:12px;padding-top:8px;display:flex}.composer span{color:#9a998e;font-size:9px}.composer button{color:#fffef8;cursor:pointer;background:#505745;border:0;border-radius:7px;min-height:34px;padding:0 14px}.composer button:disabled{color:#93968a;cursor:not-allowed;background:#e3e4dd}.context-panel{background:#f3f2ecf0;border-left:1px solid #d4d1c6;min-width:0;padding:21px 18px;overflow:auto}.context-panel section{background:#faf9f4;border:1px solid #d8d5cb;border-radius:10px;padding:17px}.context-panel section+section{margin-top:12px}.context-panel h2{color:#404239;margin:0;font-family:Georgia,Songti SC,serif;font-size:16px;font-weight:500}.context-panel p:not(.eyebrow){color:#77776e;margin:9px 0;font-size:11px;line-height:1.7}.context-panel dl{margin:14px 0 0}.context-panel dl div{border-top:1px solid #e5e2d9;justify-content:space-between;padding:8px 0;font-size:10px;display:flex}.context-panel dt{color:#8c8c82}.context-panel dd{color:#4f5248;margin:0;font-weight:700}.foundation-card code{color:#536047;text-overflow:ellipsis;white-space:nowrap;background:#edf0e8;border-radius:6px;margin-top:10px;padding:8px;font-size:10px;display:block;overflow:hidden}.risk-card{background:#fff8ef!important;border-color:#e0c5a9!important}.risk-card span{color:#87562e;font-size:10px;font-weight:700}.statusbar{color:#7e7e74;background:#e8e6df;border-top:1px solid #d4d1c7;align-items:center;gap:18px;padding:0 16px;font-size:9px;display:flex}.statusbar strong{color:#85542e;letter-spacing:.08em;margin-left:auto}@media (max-width:1180px){.application-grid{grid-template-columns:168px minmax(0,1fr)}.context-panel{display:none}.status-grid{grid-template-columns:repeat(2,minmax(120px,1fr))}}@media (max-width:760px){.rtrugs-shell{grid-template-rows:auto minmax(0,1fr) auto}.topbar{grid-template-columns:1fr auto;padding:10px 12px}.environment-strip,.top-actions .icon-button,.top-actions .avatar-button{display:none}.application-grid{grid-template-columns:64px minmax(0,1fr)}.center-navigation{padding:12px 7px}.center-navigation button{grid-template-columns:1fr;place-items:center;min-height:46px;padding:0;display:grid}.center-navigation button span:last-child,.navigation-footer,.workspace-heading time,.statusbar span:nth-child(3){display:none}.status-grid{grid-template-columns:1fr 1fr}.workspace{padding:14px}.conversation-panel{min-height:360px}.statusbar{flex-wrap:wrap;gap:6px 12px;padding:6px 10px}}