:root{--bg:#0b0d10;--panel:#12161b;--panel2:#171c22;--line:#2a313a;--text:#f5f7fa;--muted:#9ea8b3;--accent:#f2b84b;--ok:#58d68d;--danger:#ff6b6b;--blue:#7db7ff}*{box-sizing:border-box}html,body{color:var(--text);background:linear-gradient(160deg,#080a0d,#11161d 45%,#0b0f14);min-height:100%;margin:0;padding:0;font-family:Inter,Segoe UI,Arial,sans-serif}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.shell{grid-template-columns:250px 1fr;min-height:100vh;display:grid}.sidebar{border-right:1px solid var(--line);background:#0c1015;height:100vh;padding:22px 16px;position:sticky;top:0}.brandBox{align-items:center;gap:12px;padding:4px 8px 22px;display:flex}.brandBox img{object-fit:contain;background:#fff;border-radius:8px;width:48px;height:48px}.brandTitle{font-weight:900}.brandSub{color:var(--muted);font-size:11px}.nav{gap:7px;display:grid}.nav a{color:#c9d0d8;border-radius:9px;padding:11px 12px}.nav 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