:root{--bg:#f6f7f9;--card:#fff;--text:#1f2937;--muted:#6b7280;--border:#e5e7eb;--accent:#111827;--danger:#b91c1c;--warning:#b45309;--info:#0369a1;--success:#047857}*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}.topbar{display:flex;justify-content:space-between;align-items:center;padding:14px 22px;background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0}.brand{font-weight:700}.topbar nav{display:flex;gap:14px;flex-wrap:wrap}.topbar a{text-decoration:none;color:var(--text)}.container{max-width:1200px;margin:22px auto;padding:0 14px}.grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:16px}.metric{font-size:28px;font-weight:700}.muted{color:var(--muted);font-size:13px}.row{display:flex;gap:10px;flex-wrap:wrap;align-items:end}.field{display:flex;flex-direction:column;gap:6px;min-width:180px;flex:1}input,select,textarea,button{font:inherit;padding:10px;border:1px solid #d1d5db;border-radius:7px;background:#fff}button,.btn{display:inline-block;background:var(--accent);color:#fff;border:0;text-decoration:none;padding:10px 14px;border-radius:7px;cursor:pointer}.btn.secondary{background:#4b5563}.btn.danger{background:#991b1b}table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--border)}th,td{padding:10px;border-bottom:1px solid var(--border);text-align:left;font-size:14px}th{background:#f9fafb}.badge{padding:4px 8px;border-radius:999px;font-size:12px;font-weight:700}.badge.danger{background:#fee2e2;color:var(--danger)}.badge.warning{background:#fef3c7;color:var(--warning)}.badge.info{background:#e0f2fe;color:var(--info)}.badge.success{background:#d1fae5;color:var(--success)}.alert{padding:10px 12px;border-radius:7px;margin-bottom:12px}.alert.success{background:#d1fae5}.alert.danger{background:#fee2e2}.section-head{display:flex;justify-content:space-between;gap:12px;align-items:center;margin:18px 0 10px}.login{max-width:420px;margin:10vh auto}.login .card{padding:24px}.spacer{height:12px}@media(max-width:900px){.grid{grid-template-columns:repeat(2,1fr)}.topbar{align-items:flex-start;gap:10px;flex-direction:column}}@media(max-width:520px){.grid{grid-template-columns:1fr}.container{margin-top:12px}th:nth-child(3),td:nth-child(3){display:none}}