:root{--bg:#f1f5f9;--surface:#fff;--sidebar:#0f172a;--sidebar-2:#1e293b;--border:#e2e8f0;--text:#0f172a;--muted:#64748b;--accent:#f59e0b;--accent-600:#d97706;--primary:#2563eb;--primary-600:#1d4ed8;--green:#16a34a;--red:#dc2626;--shadow:0 1px 2px #0f172a0f, 0 4px 12px #0f172a0d;--radius:12px;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-size:14px}a{color:inherit;text-decoration:none}h1,h2,h3{margin:0}.center-screen{height:100vh;color:var(--muted);place-items:center;display:grid}.muted{color:var(--muted)}.right{text-align:right}.num{font-variant-numeric:tabular-nums;text-align:right}.nowrap{white-space:nowrap}.app{grid-template-columns:244px 1fr;min-height:100vh;display:grid}.sidebar{background:linear-gradient(180deg, var(--sidebar), var(--sidebar-2));color:#cbd5e1;flex-direction:column;height:100vh;display:flex;position:sticky;top:0}.brand{color:#fff;letter-spacing:.2px;align-items:center;gap:10px;padding:18px 18px 14px;font-size:15px;font-weight:700;display:flex}.brand .logo{background:var(--accent);color:#1a1205;border-radius:8px;place-items:center;width:30px;height:30px;font-size:16px;display:grid}.brand small{color:#94a3b8;font-size:11px;font-weight:500;display:block}.nav{flex:1;padding:8px;overflow-y:auto}.nav .group{text-transform:uppercase;letter-spacing:.8px;color:#64748b;padding:14px 12px 6px;font-size:10.5px}.nav a{color:#cbd5e1;border-radius:8px;align-items:center;gap:10px;margin-bottom:2px;padding:9px 12px;font-weight:500;transition:background .12s,color .12s;display:flex}.nav a .ic{text-align:center;opacity:.85;width:18px}.nav a:hover{color:#fff;background:#ffffff0f}.nav a.active{background:var(--accent);color:#1a1205;font-weight:600}.nav a.active 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