:root{color:#e9edf5;font-synthesis:none;text-rendering:optimizelegibility;--bg:#080b10;--panel:#0d1118;--panel-raised:#121721;--border:#252c38;--border-soft:#1b212c;--muted:#8f99aa;--accent:#79d6b9;--accent-strong:#a2ecd4;--blue:#67a7f8;--danger:#ff817d;background:#080b10;font-family:Inter,Segoe UI,Microsoft YaHei,sans-serif}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0;overflow-x:hidden}button,input,select{color:inherit;font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.4}.app-shell{background:var(--bg);min-height:100vh}.topbar{border-bottom:1px solid var(--border);background:#0b0f15f5;justify-content:space-between;align-items:center;height:54px;padding:0 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