*{box-sizing:border-box} :root{--bg:#080b20;--panel:#101532;--panel-2:#151b3d;--line:rgba(162,159,255,.14);--text:#f4f5ff;--muted:#8c91b2;--brand:#8b7cff;--aqua:#66e5df;--danger:#ff7f9f} html,body{margin:0;min-height:100%;font-family:'Cairo',system-ui,sans-serif;background:var(--bg);color:var(--text)}body{overflow:hidden}button,input,textarea{font:inherit}button{cursor:pointer;color:inherit;border:0}.app-shell{display:flex;height:100vh;background:radial-gradient(circle at 65% 15%,rgba(91,73,197,.13),transparent 30%),var(--bg)}.sidebar{width:292px;flex:0 0 292px;background:rgba(10,14,39,.86);border-left:1px solid var(--line);padding:24px 18px;display:flex;flex-direction:column;gap:22px;z-index:5}.brand-row{display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:800;letter-spacing:.02em;text-decoration:none;font-size:19px}.brand 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