/* =====================================================================
   WiFi Manager — "Nimbus" design system  (complete redesign)
   A modern light SaaS console. Custom shell (.nx-*) + component skin
   layered over Bootstrap 4 / AdminLTE base. Loaded last.
   ===================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Plus+Jakarta+Sans:wght@600;700;800&display=swap');

:root{
  --pri:#4f46e5; --pri-600:#4338ca; --pri-050:#eef0fe; --pri-100:#e0e2fb;
  --accent:#0ea5e9; --violet:#7c3aed;
  --ink:#0f172a; --ink-2:#334155; --muted:#7c879a; --faint:#9aa4b5;
  --bg:#f6f7f9; --card:#ffffff; --line:#e9ecf2; --line-2:#f1f3f7;
  --ok:#16a34a; --ok-bg:#e9f7ef; --warn:#d97706; --warn-bg:#fdf3e7;
  --bad:#dc2626; --bad-bg:#fdecec; --info:#0284c7; --info-bg:#e6f4fb;
  --side-w:264px; --top-h:64px;
  --r:16px; --r-sm:11px; --r-lg:22px;
  --sh-sm:0 1px 2px rgba(15,23,42,.05);
  --sh:0 4px 16px -6px rgba(15,23,42,.12), 0 2px 6px -4px rgba(15,23,42,.08);
  --sh-lg:0 20px 48px -18px rgba(15,23,42,.25);
  --font:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --head:'Plus Jakarta Sans',var(--font);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--font)!important;background:var(--bg)!important;color:var(--ink);
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:14px;line-height:1.5;
}
a{color:var(--pri);text-decoration:none}
a:hover{color:var(--pri-600)}
::selection{background:var(--pri-100)}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:#d3d8e2;border-radius:20px;border:2px solid transparent;background-clip:content-box}
::-webkit-scrollbar-thumb:hover{background:#bcc3d1;background-clip:content-box}

/* ===================================================== APP SHELL ===== */
.nx-app{display:flex;min-height:100vh}
.nx-side{
  width:var(--side-w);flex:0 0 var(--side-w);background:var(--card);
  border-right:1px solid var(--line);position:fixed;top:0;left:0;bottom:0;
  display:flex;flex-direction:column;z-index:1030;transition:transform .22s ease;
}
.nx-main{margin-left:var(--side-w);flex:1;min-width:0;display:flex;flex-direction:column;min-height:100vh;width:calc(100% - var(--side-w))}

/* brand */
.nx-brand{display:flex;align-items:center;gap:12px;padding:18px 20px;border-bottom:1px solid var(--line-2)}
.nx-brand .logo{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--pri),var(--accent));box-shadow:0 8px 18px -6px rgba(79,70,229,.55)
}
.nx-brand .logo svg{width:23px;height:23px}
.nx-brand .name{font-family:var(--head);font-weight:800;font-size:18px;color:var(--ink);letter-spacing:-.2px;line-height:1}
.nx-brand .name small{display:block;font-family:var(--font);font-weight:600;font-size:10.5px;color:var(--faint);letter-spacing:.12em;text-transform:uppercase;margin-top:3px}

/* nav */
.nx-nav{flex:1;overflow-y:auto;padding:14px 12px}
.nx-nav .group{font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);padding:14px 12px 6px}
.nx-nav a.item{
  display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:11px;color:var(--ink-2);
  font-weight:600;font-size:14px;margin:2px 0;transition:all .15s ease;position:relative;cursor:pointer
}
.nx-nav a.item svg{width:19px;height:19px;color:var(--muted);flex:0 0 19px;transition:color .15s}
.nx-nav a.item:hover{background:var(--line-2);color:var(--ink)}
.nx-nav a.item:hover svg{color:var(--pri)}
.nx-nav a.item.active{background:var(--pri-050);color:var(--pri-600)}
.nx-nav a.item.active svg{color:var(--pri)}
.nx-nav a.item.active::before{content:"";position:absolute;left:-12px;top:9px;bottom:9px;width:3px;border-radius:0 3px 3px 0;background:var(--pri)}
.nx-nav .caret{margin-left:auto;transition:transform .2s}
.nx-nav .has-sub.open .caret{transform:rotate(90deg)}
.nx-nav .sub{max-height:0;overflow:hidden;transition:max-height .25s ease;padding-left:16px}
.nx-nav .has-sub.open .sub{max-height:520px}
.nx-nav .sub a.item{font-size:13.5px;padding:8px 12px;color:var(--muted)}
.nx-nav .sub a.item::after{content:"";width:5px;height:5px;border-radius:50%;background:#cfd5e0;position:absolute;left:0;top:50%;transform:translateY(-50%)}
.nx-nav .sub a.item.active,.nx-nav .sub a.item:hover{color:var(--pri-600);background:transparent}
.nx-nav .sub a.item.active::after{background:var(--pri)}

/* sidebar footer user */
.nx-suser{border-top:1px solid var(--line-2);padding:12px 14px;display:flex;align-items:center;gap:11px}
.nx-suser img{width:38px;height:38px;border-radius:11px;object-fit:cover;border:1px solid var(--line)}
.nx-suser .meta{min-width:0}
.nx-suser .meta b{display:block;font-size:13.5px;color:var(--ink);font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nx-suser .meta span{font-size:12px;color:var(--faint)}

/* ===================================================== TOPBAR ===== */
.nx-top{
  height:var(--top-h);background:rgba(255,255,255,.82);backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);position:sticky;top:0;z-index:1020;
  display:flex;align-items:center;gap:16px;padding:0 26px
}
.nx-top .burger{display:none;background:none;border:0;color:var(--ink-2);cursor:pointer}
.nx-top .search{
  flex:1;max-width:420px;position:relative
}
.nx-top .search svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:17px;height:17px;color:var(--faint)}
.nx-top .search input{
  width:100%;height:42px;border:1px solid var(--line);border-radius:12px;background:#fbfcfe;
  padding:0 14px 0 40px;font-size:14px;color:var(--ink);transition:all .15s
}
.nx-top .search input:focus{outline:none;border-color:var(--pri);box-shadow:0 0 0 4px var(--pri-050);background:#fff}
.nx-top .spacer{flex:1}
.nx-top .tbtn{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink-2);
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:all .15s;position:relative
}
.nx-top .tbtn:hover{background:var(--line-2);color:var(--pri)}
.nx-top .tbtn svg{width:19px;height:19px}
.nx-top .tbtn .dot{position:absolute;top:9px;right:10px;width:7px;height:7px;border-radius:50%;background:var(--bad);border:2px solid #fff}
.nx-top .umenu{display:flex;align-items:center;gap:10px;padding:5px 6px 5px 5px;border:1px solid var(--line);border-radius:999px;background:#fff;cursor:pointer}
.nx-top .umenu img{width:32px;height:32px;border-radius:50%;object-fit:cover}
.nx-top .umenu .un{font-weight:700;font-size:13.5px;color:var(--ink);padding-right:4px}
.nx-top .umenu svg{width:15px;height:15px;color:var(--muted)}

/* content region — kill AdminLTE's unconditional 250px left margin on these */
.content-wrapper,.main-header,.main-footer,.main-sidebar{margin-left:0!important}
.nx-content{padding:26px;min-height:0!important}
.content-wrapper{background:transparent!important;min-height:0!important}
.container-fluid{padding-left:0!important;padding-right:0!important;max-width:100%}

/* ===================================================== PAGE HEADER ===== */
.content-header{padding:0 0 20px!important}
.content-header h1{font-family:var(--head);font-weight:800!important;font-size:24px!important;color:var(--ink)!important;letter-spacing:-.4px;margin:0}
.breadcrumb{background:transparent!important;padding:0;margin:6px 0 0!important;font-size:12.5px}
.breadcrumb-item,.breadcrumb-item a{color:var(--faint)!important;font-weight:600}
.breadcrumb-item.active{color:var(--pri)!important}
.breadcrumb-item+.breadcrumb-item::before{color:#cfd5e0}
.content{padding:0!important}

/* ===================================================== CARDS ===== */
.card{
  background:var(--card)!important;border:1px solid var(--line)!important;border-radius:var(--r)!important;
  box-shadow:var(--sh-sm)!important;margin-bottom:22px
}
.card-header{background:transparent!important;border-bottom:1px solid var(--line-2)!important;padding:16px 20px!important;border-radius:var(--r) var(--r) 0 0!important}
.card-title{font-family:var(--head);font-weight:700!important;font-size:15.5px!important;color:var(--ink)!important;display:flex;align-items:center;gap:8px}
.card-body{padding:20px!important}
.card.card-primary,.card.card-outline{border-top:1px solid var(--line)!important}
.card.card-primary:not(.card-outline)>.card-header{background:transparent!important;color:var(--ink)!important}

/* ===================================================== STAT CARDS (small-box) ===== */
.small-box{
  position:relative;background:var(--card)!important;border:1px solid var(--line)!important;
  border-radius:var(--r)!important;box-shadow:var(--sh-sm)!important;overflow:hidden;color:var(--ink)!important;
  padding:4px 0;transition:transform .16s ease,box-shadow .16s ease
}
.small-box:hover{transform:translateY(-2px);box-shadow:var(--sh)!important}
.small-box>.inner{padding:20px 20px 16px}
.small-box h3{font-family:var(--head);color:var(--ink)!important;font-weight:800!important;font-size:30px!important;letter-spacing:-1px;margin:0}
.small-box p{color:var(--muted)!important;font-weight:600;margin:2px 0 0;font-size:13.5px}
.small-box .icon{
  position:absolute;top:16px;right:16px;width:46px;height:46px;border-radius:13px;
  display:flex;align-items:center;justify-content:center;opacity:1!important;transform:none!important
}
.small-box .icon i,.small-box .icon>.fa,.small-box .icon>.fas,.small-box .icon>.ion{font-size:22px!important;color:#fff!important;top:auto;position:static}
.small-box .small-box-footer{
  background:transparent!important;color:var(--pri)!important;border-top:1px solid var(--line-2);
  padding:11px 20px!important;font-weight:600;font-size:12.5px;display:flex;align-items:center;justify-content:space-between
}
.small-box .small-box-footer:hover{color:var(--pri-600)!important}
/* colored accent chips per box variant */
.small-box.bg-primary,.small-box.bg-info,.small-box.bg-success,.small-box.bg-warning,.small-box.bg-danger,.small-box.bg-dark{background:var(--card)!important}
.small-box.bg-primary .icon{background:linear-gradient(135deg,#4f46e5,#7c3aed)}
.small-box.bg-success .icon{background:linear-gradient(135deg,#16a34a,#0ea5e9)}
.small-box.bg-info    .icon{background:linear-gradient(135deg,#0ea5e9,#4f46e5)}
.small-box.bg-warning .icon{background:linear-gradient(135deg,#f59e0b,#ef4444)}
.small-box.bg-danger  .icon{background:linear-gradient(135deg,#fb7185,#dc2626)}
.small-box.bg-dark    .icon{background:linear-gradient(135deg,#334155,#0f172a)}

.info-box{border:1px solid var(--line)!important;border-radius:var(--r)!important;box-shadow:var(--sh-sm)!important;background:var(--card)!important}
.info-box .info-box-icon{border-radius:13px!important;background:linear-gradient(135deg,var(--pri),var(--violet))!important;color:#fff!important;margin:10px}
.info-box .info-box-number{font-weight:800!important;color:var(--ink)!important}
.info-box .info-box-text{color:var(--muted)!important;font-weight:600}

/* ===================================================== BUTTONS ===== */
.btn{border-radius:11px!important;font-weight:600!important;font-size:13.5px;padding:.55rem 1.05rem!important;border:1px solid transparent;transition:all .15s;display:inline-flex;align-items:center;gap:7px}
.btn:active{transform:translateY(1px)}
.btn i{font-size:13px}
.btn-primary,.btn-danger.btn-block[type=submit]{background:var(--pri)!important;border-color:var(--pri)!important;color:#fff!important;box-shadow:0 6px 16px -8px rgba(79,70,229,.7)!important}
.btn-primary:hover{background:var(--pri-600)!important;border-color:var(--pri-600)!important}
.btn-success{background:var(--ok)!important;border-color:var(--ok)!important;color:#fff!important}
.btn-info{background:var(--info)!important;border-color:var(--info)!important;color:#fff!important}
.btn-warning{background:var(--warn)!important;border-color:var(--warn)!important;color:#fff!important}
.btn-danger{background:var(--bad)!important;border-color:var(--bad)!important;color:#fff!important}
.btn-default,.btn-secondary{background:#fff!important;border:1px solid var(--line)!important;color:var(--ink-2)!important}
.btn-default:hover,.btn-secondary:hover{background:var(--line-2)!important;color:var(--pri)!important;border-color:var(--pri-100)!important}
.btn-outline-primary{border:1px solid var(--line)!important;color:var(--pri)!important;background:#fff!important}
.btn-outline-primary:hover{background:var(--pri-050)!important;color:var(--pri-600)!important;border-color:var(--pri-100)!important}
.btn-sm{padding:.34rem .6rem!important;font-size:12px;border-radius:9px!important}
.btn-block{width:100%;justify-content:center}

/* ===================================================== FORMS ===== */
.form-control,.custom-select,textarea.form-control,.select2-container--default .select2-selection--single{
  border:1px solid var(--line)!important;border-radius:11px!important;padding:.6rem .85rem!important;height:auto!important;
  color:var(--ink)!important;background:#fbfcfe!important;font-size:14px;transition:all .15s;box-shadow:none!important
}
.form-control:focus{border-color:var(--pri)!important;background:#fff!important;box-shadow:0 0 0 4px var(--pri-050)!important}
.form-control::placeholder{color:#aab2c0}
label{font-weight:600!important;color:var(--ink-2)!important;font-size:13px;margin-bottom:6px}
.form-group{margin-bottom:16px}
.select2-container--default .select2-selection--single{height:44px!important;display:flex;align-items:center}
.select2-container--default .select2-selection--single .select2-selection__arrow{height:42px}
.input-group-text{border:1px solid var(--line)!important;background:#fff!important;color:var(--pri)!important;border-radius:11px!important}
.text-danger,.invalid-feedback{color:var(--bad)!important;font-weight:600}
.icheck-primary>input:first-child:checked+label::before{background:var(--pri)!important;border-color:var(--pri)!important}

/* ===================================================== TABLES ===== */
.table{color:var(--ink)!important;margin-bottom:0}
.table thead th{
  border:0!important;border-bottom:1px solid var(--line)!important;background:#fafbfd;
  text-transform:uppercase;font-size:11px;letter-spacing:.05em;color:var(--faint)!important;font-weight:700;padding:12px 14px;white-space:nowrap
}
.table td{border-top:1px solid var(--line-2)!important;padding:12px 14px!important;vertical-align:middle;font-size:13.5px}
.table-hover tbody tr{transition:background .12s}
.table-hover tbody tr:hover{background:var(--pri-050)!important}
.table-bordered,.table-bordered td,.table-bordered th{border-color:var(--line-2)!important}
.table-bordered{border:0!important}
.dataTables_wrapper .dataTables_filter input,.dataTables_wrapper .dataTables_length select{border:1px solid var(--line)!important;border-radius:9px!important;padding:6px 10px!important}
.dataTables_wrapper .dataTables_paginate .paginate_button{border-radius:9px!important}
.page-link{border:1px solid var(--line)!important;color:var(--pri)!important;border-radius:9px!important;margin:0 2px}
.page-item.active .page-link{background:var(--pri)!important;border-color:var(--pri)!important}
.dataTables_info,.dataTables_length,.dataTables_filter{color:var(--muted);font-size:13px}

/* ===================================================== BADGES / ALERTS / MISC ===== */
.badge{border-radius:7px!important;font-weight:700;font-size:11px;padding:.4em .65em;letter-spacing:.02em}
.badge-success{background:var(--ok-bg)!important;color:var(--ok)!important}
.badge-danger{background:var(--bad-bg)!important;color:var(--bad)!important}
.badge-info,.badge-primary{background:var(--pri-050)!important;color:var(--pri-600)!important}
.badge-warning{background:var(--warn-bg)!important;color:var(--warn)!important}
.alert{border:0!important;border-radius:13px!important;font-weight:600;padding:14px 16px}
.alert-success{background:var(--ok-bg)!important;color:var(--ok)!important}
.alert-danger{background:var(--bad-bg)!important;color:var(--bad)!important}
.dropdown-menu{border:1px solid var(--line)!important;border-radius:14px!important;box-shadow:var(--sh)!important;padding:8px;margin-top:8px}
.dropdown-item{border-radius:9px;padding:9px 12px;font-weight:600;color:var(--ink-2)}
.dropdown-item:hover{background:var(--line-2);color:var(--pri)}
.dropdown-divider{border-color:var(--line-2)}
.user-header{background:linear-gradient(135deg,var(--pri),var(--violet))!important}
.nav-pills .nav-link{border-radius:10px;font-weight:600;color:var(--ink-2)}
.nav-pills .nav-link.active{background:var(--pri)!important;color:#fff!important}
code{background:var(--pri-050);color:var(--pri-600);padding:2px 7px;border-radius:6px;font-size:12px}
hr{border-color:var(--line-2)}
.main-footer{background:transparent!important;border-top:1px solid var(--line)!important;color:var(--faint)!important;padding:16px 26px!important;font-size:12.5px;font-weight:500}
.main-footer a{color:var(--pri)!important}

/* profile box */
.profile-user-img{border:3px solid var(--pri-050)!important;padding:3px;background:#fff}
.list-group-item{border-color:var(--line-2)!important;font-size:13.5px}

/* carousel imgs on dashboard */
.carousel-img{height:314px;object-fit:cover;border-radius:var(--r)}
#imageCarousel{border-radius:var(--r);overflow:hidden;box-shadow:var(--sh-sm);border:1px solid var(--line)}

/* ===================================================== LOGIN (Nimbus) ===== */
body.login-page{display:block!important;background:var(--bg)!important}
.auth-shell{display:grid;grid-template-columns:1.05fr .95fr;min-height:100vh}
.auth-brand{
  position:relative;overflow:hidden;color:#fff;padding:56px 60px;display:flex;flex-direction:column;justify-content:space-between;
  background:radial-gradient(120% 120% at 0% 0%,#4f46e5 0%,#4338ca 42%,#1e1b4b 100%)
}
.auth-brand:before{content:"";position:absolute;width:560px;height:560px;border-radius:50%;top:-160px;right:-150px;background:radial-gradient(circle,rgba(14,165,233,.45),transparent 62%);animation:fA 15s ease-in-out infinite}
.auth-brand:after{content:"";position:absolute;width:480px;height:480px;border-radius:50%;bottom:-180px;left:-120px;background:radial-gradient(circle,rgba(124,58,237,.5),transparent 60%);animation:fB 19s ease-in-out infinite}
@keyframes fA{50%{transform:translate(-30px,36px) scale(1.08)}}
@keyframes fB{50%{transform:translate(34px,-26px) scale(1.1)}}
.auth-brand .ab-top{position:relative;z-index:2;display:flex;align-items:center;gap:13px}
.auth-brand .ab-logo{width:46px;height:46px;border-radius:13px;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22)}
.auth-brand .ab-logo svg{width:27px;height:27px}
.auth-brand .ab-word{font-family:var(--head);font-weight:800;font-size:21px;letter-spacing:.2px}
.auth-brand .ab-mid{position:relative;z-index:2}
.auth-brand .ab-mid h2{font-family:var(--head);font-size:38px;line-height:1.14;font-weight:800;letter-spacing:-.7px;margin:0 0 16px}
.auth-brand .ab-mid h2 span{color:#a5b4fc}
.auth-brand .ab-mid p{font-size:15.5px;line-height:1.7;color:rgba(255,255,255,.78);max-width:430px;font-weight:500}
.auth-brand .ab-feats{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.auth-brand .ab-feats span{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);padding:8px 14px;border-radius:999px;font-size:13px;font-weight:600}
.auth-brand .ab-bottom{position:relative;z-index:2;color:rgba(255,255,255,.55);font-size:13px;font-weight:500}
.auth-form{display:flex;align-items:center;justify-content:center;padding:40px;background:var(--bg)}
.auth-form .login-box{width:100%;max-width:400px;margin:0!important}
.auth-form .card,.auth-form .login-card-body{background:transparent!important;border:0!important;box-shadow:none!important;padding:0!important;border-radius:0!important}
.auth-form .login-logo,.login-box-msg{display:none}
.auth-head{margin-bottom:26px}
.auth-head h1{font-family:var(--head);font-weight:800;font-size:27px;color:var(--ink);letter-spacing:-.5px;margin:0 0 6px}
.auth-head p{color:var(--muted);font-weight:500;margin:0}
.auth-field{position:relative;margin-bottom:16px}
.auth-field>i{position:absolute;left:15px;top:50%;transform:translateY(-50%);color:var(--pri);font-size:15px;z-index:2;pointer-events:none}
.auth-field .form-control{width:100%;height:52px!important;line-height:52px;padding:0 16px 0 44px!important;background:#fff!important;border:1px solid var(--line)!important;border-radius:12px!important;font-size:15px}
.auth-remember{margin:6px 0 22px}
.auth-remember label{color:var(--ink-2);font-weight:600;font-size:14px;padding-left:6px}
.auth-submit{width:100%;height:52px!important;font-size:15px!important;border-radius:12px!important;justify-content:center}
.auth-forgot{text-align:center;margin-top:20px}
.auth-forgot a{color:var(--pri)!important;font-weight:600;font-size:14px}

/* ===================================================== RESPONSIVE ===== */
@media (max-width:992px){
  .nx-side{transform:translateX(-100%)}
  .nx-side.open{transform:translateX(0);box-shadow:var(--sh-lg)}
  .nx-main{margin-left:0;width:100%}
  .nx-top .burger{display:inline-flex}
  .nx-backdrop{position:fixed;inset:0;background:rgba(15,23,42,.4);z-index:1025;display:none}
  .nx-backdrop.show{display:block}
}
@media (max-width:900px){ .auth-shell{grid-template-columns:1fr} .auth-brand{display:none} }
@media (max-width:576px){ .nx-content{padding:16px} .nx-top{padding:0 16px} .nx-top .search{display:none} }