:root{--bg:#eef2f0;--panel:#ffffff;--panel-strong:#f8faf9;--ink:#16211f;--muted:#64706c;--line:#d8e1de;--accent:#0f766e;--accent-strong:#0b5f59;--warn:#b45309;--shadow:0 18px 60px rgba(28,43,39,0.12)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Arial,Helvetica,sans-serif}.loginShell{min-height:100vh;display:grid;place-items:center;padding:20px}.loginPanel{width:min(380px,100%);display:grid;grid-gap:12px;gap:12px;background:var(--panel);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);padding:22px}.loginPanel h1{margin:0 0 6px;font-size:24px}.loginPanel input{min-height:44px;border:1px solid var(--line);border-radius:8px;padding:0 12px}.errorText{color:#b42318;font-size:13px;margin:0;line-height:1.35}button,input,select{font:inherit}.shell{min-height:100vh;display:grid;grid-template-columns:248px 1fr}.sidebar{background:#10201d;color:#f8faf9;padding:20px;display:flex;flex-direction:column;gap:28px}.brand{display:flex;gap:12px;align-items:center}.brandMark{width:42px;height:42px;border-radius:8px;display:grid;place-items:center;background:#d7a84f;color:#10201d;font-weight:800}.brand span,.brand strong{display:block}.brand span{color:#b8c8c3;font-size:13px;margin-top:2px}.nav{display:grid;grid-gap:6px;gap:6px}.nav a{color:#dce8e4;text-decoration:none;min-height:42px;display:flex;align-items:center;gap:10px;border-radius:8px;padding:0 10px}.nav a.active,.nav a:hover{background:rgba(255,255,255,.1)}.workspace{min-width:0;display:flex;flex-direction:column}.topbar{height:82px;padding:16px 24px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);background:rgba(255,255,255,.78);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.topbar h1,.topbar p{margin:0}.topbar p{color:var(--muted);font-size:14px}.topbar h1{font-size:24px;margin-top:4px}.contentGrid{min-height:0;flex:1 1;display:grid;grid-template-columns:minmax(0,1fr) 340px;grid-gap:18px;gap:18px;padding:18px}.chatPane,.inspector section{background:var(--panel);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow)}.chatPane{min-height:calc(100vh - 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