:root{--blue:#0b1e39;--accent:#2563eb;--green:#16a34a;--border:#e5e7eb;--card:#fafafa}
body{font-family:Arial,sans-serif}
.dash-layout{display:grid;grid-template-columns:260px 1fr 260px;gap:16px;min-height:80vh}
.sidebar-left{background:var(--blue);color:#fff;border-radius:12px;padding:16px}
.sidebar-right{background:#fff;border:1px solid var(--border);border-radius:12px;padding:16px}
.content{background:#fff;border:1px solid var(--border);border-radius:12px;padding:16px}