:root{--bg:#050b18;--surface:#0b1428;--surface2:#111d35;--border:#22304d;--text:#f5f7ff;--muted:#9dacbf;--cyan:#00dff5;--green:#14e8a6;--gold:#ffd84d;--purple:#a55cff;--red:#ff5f78;--blue:#4d9cff;--radius:18px;--shadow:0 18px 55px #0007}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 90% 0,#102040 0,transparent 30%),var(--bg);color:var(--text);font:14px Inter,Arial,sans-serif}.sidebar{position:fixed;inset:0 auto 0 0;width:248px;background:#071126;border-right:1px solid var(--border);padding:22px 16px;display:flex;flex-direction:column;z-index:50}.brand{display:flex;align-items:center;gap:12px;padding:4px 4px 24px}.brand img{width:92px;background:#fff;border-radius:10px;padding:5px}.brand strong{font-size:11px;color:var(--cyan);display:block}.brand small{color:var(--muted)}nav{display:grid;gap:5px;overflow:auto}nav a{color:#b9c4d8;text-decoration:none;padding:12px 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