:root{--bg:#070b14;--panel:#0d1424;--panel2:#111b2e;--text:#e8eefc;--muted:#97a3ba;--line:#22304a;--primary:#62d2ff;--primary2:#8b5cf6;--ok:#22c55e;--danger:#ef4444;--shadow:0 24px 70px rgba(0,0,0,.35)}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at top left,#152541 0,#070b14 38%,#05070c 100%);color:var(--text);font-family:Inter,Segoe UI,Arial,sans-serif}.app-shell{display:grid;grid-template-columns:270px 1fr;min-height:100vh}.sidebar{border-right:1px solid var(--line);background:rgba(7,11,20,.75);backdrop-filter:blur(18px);padding:24px;position:sticky;top:0;height:100vh}.brand{display:flex;gap:12px;align-items:center;text-decoration:none;color:var(--text);margin-bottom:32px}.brand-mark{display:grid;place-items:center;width:48px;height:48px;border-radius:16px;background:linear-gradient(135deg,var(--primary),var(--primary2));color:#06101c;font-weight:900}.brand small{display:block;color:var(--muted);margin-top:3px}.sidebar nav{display:grid;gap:10px}.sidebar 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