:root{--bg:#f5f7fb;--card:#fff;--text:#172033;--muted:#64748b;--primary:#2563eb;--danger:#dc2626;--ok:#16a34a;--border:#e2e8f0}*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}a{text-decoration:none;color:inherit}.top{background:#111827;color:#fff;padding:14px 20px;display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:5}.brand{font-weight:800}.nav{display:flex;gap:8px;flex-wrap:wrap}.nav a{padding:8px 10px;border-radius:8px;background:#1f2937;font-size:13px}.nav a:hover{background:#374151}.wrap{max-width:1250px;margin:24px auto;padding:0 16px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:18px;box-shadow:0 2px 8px #00000008}.stat{font-size:25px;font-weight:800;margin-top:8px}.muted{color:var(--muted);font-size:13px}input,select,textarea{width:100%;padding:10px;border:1px solid #cbd5e1;border-radius:8px;background:#fff}label{display:block;font-weight:700;font-size:13px;margin:10px 0 6px}.btn{display:inline-block;border:0;border-radius:8px;padding:10px 14px;background:var(--primary);color:#fff;cursor:pointer;font-weight:700}.btn.danger{background:var(--danger)}.btn.gray{background:#475569}.btn.ok{background:var(--ok)}.actions{display:flex;gap:8px;flex-wrap:wrap}.table-wrap{overflow:auto}.table{width:100%;border-collapse:collapse;margin-top:10px}.table th,.table td{padding:10px;border-bottom:1px solid var(--border);text-align:left;white-space:nowrap;font-size:13px}.table th{background:#f8fafc}.flash{padding:12px;border-radius:10px;margin-bottom:12px;background:#e0f2fe}.flash.danger{background:#fee2e2}.flash.success{background:#dcfce7}.login{min-height:100vh;display:grid;place-items:center;padding:20px}.login .card{width:min(420px,100%)}.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media(max-width:700px){.two{grid-template-columns:1fr}.top{align-items:flex-start;gap:12px;flex-direction:column}.nav{width:100%}.nav a{flex:1;text-align:center}.table th,.table td{font-size:12px}}