body{font-family:Arial,sans-serif;margin:0;background:#f4f6f8;color:#222}header{background:#fff;border-bottom:1px solid #ddd;padding:14px 24px;display:flex;justify-content:space-between;align-items:center}nav a{margin-right:18px;text-decoration:none;color:#1f4f7a}main{padding:28px;max-width:1400px;margin:auto}.card{background:#fff;border:1px solid #ddd;border-radius:10px;padding:18px;margin-bottom:20px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}.stat{font-size:28px;font-weight:bold}input,select,button{padding:9px 10px;margin:3px;border:1px solid #bbb;border-radius:5px}button{cursor:pointer}table{border-collapse:collapse;width:100%}th,td{text-align:left;padding:10px;border-bottom:1px solid #e3e3e3;vertical-align:top}.ok{color:#087a2f;font-weight:bold}.bad{color:#b00020;font-weight:bold}.muted{color:#666;font-size:13px}.inline{display:inline-block}.danger{background:#fff3f3;border-color:#d99}.active{font-weight:bold;color:#087a2f}.loginbox{max-width:380px;margin:100px auto;background:#fff;padding:30px;border-radius:12px;box-shadow:0 4px 20px #0002}.loginbox input,.loginbox button{width:100%;box-sizing:border-box;margin:7px 0}