*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:#f3f6fb;color:#182033}.layout{display:flex;min-height:100vh}.sidebar{width:250px;background:#0f3b68;color:#fff;padding:18px;position:fixed;top:0;bottom:0;overflow:auto}.brand{font-size:21px;font-weight:700;margin:8px 0 20px}.sidebar a{display:block;color:#fff;text-decoration:none;padding:11px 12px;border-radius:9px;margin:4px 0}.sidebar a:hover{background:rgba(255,255,255,.13)}.main{margin-left:250px;width:calc(100% - 250px)}.topbar{background:#fff;padding:14px 18px;display:flex;justify-content:space-between;align-items:center;box-shadow:0 1px 8px rgba(0,0,0,.08);position:sticky;top:0;z-index:2}.content{padding:18px}.card{background:#fff;border-radius:14px;padding:18px;margin-bottom:18px;box-shadow:0 3px 14px rgba(0,0,0,.07)}.form-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}label{font-weight:700;font-size:13px;display:block;margin-bottom:6px}input,select,textarea{width:100%;padding:10px;border:1px solid #ced7e4;border-radius:9px;background:#fff}textarea{min-height:72px}.btn{display:inline-block;border:0;background:#1565c0;color:#fff;padding:9px 13px;border-radius:9px;text-decoration:none;cursor:pointer;font-weight:700}.btn.light{background:#eef3f8;color:#163550}.btn.ok{background:#1b8a4b}.btn.warn{background:#c96b00}.btn.danger{background:#be3030}.alert{padding:12px;background:#fff6d8;border-left:5px solid #ffc107;border-radius:8px;margin-bottom:14px}.muted{color:#667085;font-size:13px}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;background:#fff}th,td{border-bottom:1px solid #e9eef5;padding:10px;text-align:left;vertical-align:top}th{background:#f5f8fc}.badge{display:inline-block;padding:5px 8px;border-radius:20px;background:#eaf2ff;color:#154c8f;font-size:12px;font-weight:700}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.stat{background:#fff;border-radius:14px;padding:18px;box-shadow:0 3px 14px rgba(0,0,0,.07)}.stat h2{margin:0;color:#0f3b68}.password-wrap{display:flex;gap:8px}.password-wrap input{flex:1}.login{max-width:420px;margin:55px auto}.mobile-menu{display:none}.checkgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}.checkgrid label{font-weight:400;background:#f7f9fc;padding:7px;border-radius:8px}.nowrap{white-space:nowrap}@media(max-width:800px){.sidebar{left:-270px;transition:.2s;z-index:5}.sidebar.open{left:0}.main{margin-left:0;width:100%}.mobile-menu{display:inline-block}.form-grid,.stat-grid,.checkgrid{grid-template-columns:1fr}.topbar{align-items:flex-start;gap:8px;flex-direction:column}th,td{font-size:13px}}
/* v3 mobile and performance UI improvements */
.table-wrap{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}input[type=number]{min-width:110px}.net-show{font-weight:700;color:#0f3b68}.topbar select{max-width:100%}
@media(max-width:640px){
  .content{padding:10px}.card{padding:12px;border-radius:12px}.btn{margin:3px 0;padding:9px 10px}
  table{min-width:760px} .table-wrap table{min-width:760px}
  .form-grid>div{min-width:0} input,select,textarea{font-size:15px;padding:9px}.sidebar{width:245px}
  .stat h2{font-size:20px}.brand{font-size:18px}
}
@media(max-width:480px){
  .topbar{padding:10px}.password-wrap{flex-direction:column}.checkgrid label{font-size:13px}
}