:root{font-family:system-ui,-apple-system,Segoe UI,Arial,sans-serif;color-scheme:dark;--bg:#08101f;--panel:#101d32;--border:#263a53;--text:#f2f6fb;--muted:#a1b5cf;--cyan:#57d3ea;--blue:#276eea;--green:#1d987c;--red:#ba3b57}*{box-sizing:border-box}body{background:radial-gradient(circle at 90% 5%,#173555 0,transparent 42%),var(--bg);color:var(--text);margin:0;font-size:14px}button,input,select{font:inherit}button{cursor:pointer}button:disabled{opacity:.45;cursor:not-allowed}a{color:#a6e3ff}p{color:var(--muted);line-height:1.5}small,.muted{color:var(--muted)}h1{font-size:clamp(23px,3vw,33px);margin:0}h2{font-size:19px;margin:0 0 12px}h3{font-size:15px;margin:0 0 6px}.shell{min-height:100vh;display:grid;grid-template-columns:238px 1fr}.sidebar{background:#0a1729;border-right:1px solid var(--border);padding:25px 15px;display:flex;flex-direction:column;min-height:100vh}.logo{display:flex;align-items:center;gap:11px;font-weight:900;letter-spacing:.2px;margin-bottom:30px}.logo 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