:root{--bg:#0f172a;--card:#fff;--txt:#111827;--muted:#64748b;--pri:#2563eb;--ok:#16a34a;--err:#dc2626}*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:#f1f5f9;color:var(--txt)}a{color:var(--pri);text-decoration:none}.center{display:grid;place-items:center;min-height:100vh;background:linear-gradient(135deg,#0f172a,#1e293b)}.card{background:var(--card);border-radius:18px;padding:24px;box-shadow:0 20px 60px #0002;max-width:980px;margin:20px}.btn,button{background:var(--pri);color:white;border:0;border-radius:10px;padding:11px 16px;cursor:pointer;display:inline-block}input,select{width:100%;padding:12px;border:1px solid #cbd5e1;border-radius:10px;margin:6px 0 12px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}.stat{background:white;padding:20px;border-radius:16px;box-shadow:0 4px 20px #0001}.menu{background:#111827;padding:14px}.menu a{color:white;margin-right:12px}.ok{color:var(--ok)}.erro{color:var(--err)}table{width:100%;border-collapse:collapse;background:white;border-radius:12px;overflow:hidden}td,th{padding:12px;border-bottom:1px solid #e2e8f0;text-align:left}.wrap{padding:24px}.muted{color:var(--muted)}