:root{
  color-scheme:dark;
  --bg:#050b18;
  --bg-soft:#081225;
  --panel:#0c1930;
  --panel-2:#10203a;
  --line:#1d3555;
  --line-bright:#22577a;
  --text:#f4f8ff;
  --muted:#8fa2bd;
  --cyan:#31c9ed;
  --blue:#2563eb;
  --blue-2:#1d4ed8;
  --green:#13b981;
  --red:#ef476f;
  --violet:#7c5cff;
  --shadow:0 24px 70px rgba(0,0,0,.34);
}

*{box-sizing:border-box}

html{scroll-behavior:smooth}

body{
  min-height:100vh;
  margin:0!important;
  padding:28px 22px 70px!important;
  overflow-x:hidden;
  background:
    radial-gradient(circle at 10% 0%,rgba(37,99,235,.22),transparent 32%),
    radial-gradient(circle at 100% 35%,rgba(49,201,237,.10),transparent 28%),
    linear-gradient(160deg,var(--bg),#071121 52%,#06101e)!important;
  color:var(--text)!important;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif!important;
  line-height:1.5;
}

body:before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:linear-gradient(to bottom,black,transparent 85%);
}

.header,.stats,.container{
  width:min(1180px,100%);
  margin-left:auto!important;
  margin-right:auto!important;
}

.header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  margin-bottom:22px;
  padding:16px 18px;
  border:1px solid rgba(49,201,237,.17);
  border-radius:18px;
  background:rgba(8,18,37,.82);
  box-shadow:0 14px 45px rgba(0,0,0,.24);
  backdrop-filter:blur(18px);
}

.header h1{
  margin:0;
  font-size:19px;
  font-weight:850;
  letter-spacing:.025em;
}

.stats{
  display:grid!important;
  grid-template-columns:repeat(4,minmax(0,1fr))!important;
  gap:14px!important;
  margin-bottom:30px;
}

.stat{
  position:relative;
  min-height:116px;
  padding:20px!important;
  overflow:hidden;
  border:1px solid var(--line)!important;
  border-radius:18px!important;
  background:linear-gradient(145deg,rgba(16,32,58,.96),rgba(8,20,39,.96))!important;
  color:var(--muted);
  box-shadow:0 14px 35px rgba(0,0,0,.18);
}

.stat:after{
  content:"";
  position:absolute;
  right:-30px;
  bottom:-48px;
  width:112px;
  height:112px;
  border-radius:50%;
  background:rgba(49,201,237,.07);
}

.stat h2{
  position:relative;
  z-index:1;
  margin:8px 0 0!important;
  color:var(--text);
  font-size:34px!important;
  line-height:1;
}

.container{max-width:1180px!important}

.logo{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin:0 0 8px!important;
  font-size:36px!important;
  font-weight:950!important;
  letter-spacing:-.045em;
}

.logo:before{
  content:"N";
  display:grid;
  place-items:center;
  width:42px;
  height:42px;
  margin-right:6px;
  border:1px solid #247ba0;
  border-radius:13px;
  background:linear-gradient(145deg,#102b43,#0a1d32);
  color:var(--cyan);
  font-size:23px;
  letter-spacing:0;
  box-shadow:0 0 28px rgba(49,201,237,.12);
}

.logo span{color:var(--cyan)!important}

.container>h1{
  margin:6px 0 18px;
  color:#dcecff;
  font-size:20px;
  font-weight:700;
}

.container>h2#count{
  display:inline-flex;
  margin:16px 0 3px;
  padding:8px 12px;
  border:1px solid var(--line);
  border-radius:999px;
  background:#09172b;
  color:#9bb4d3;
  font-size:13px;
}

.card{
  padding:24px!important;
  margin-top:16px!important;
  border:1px solid var(--line)!important;
  border-radius:20px!important;
  background:linear-gradient(145deg,rgba(16,32,58,.96),rgba(10,24,45,.96))!important;
  box-shadow:var(--shadow);
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}

.card:hover{
  border-color:var(--line-bright)!important;
  box-shadow:0 28px 75px rgba(0,0,0,.39);
}

.card .card{
  margin-top:14px!important;
  border-radius:16px!important;
  background:rgba(5,14,29,.6)!important;
  box-shadow:none;
}

.card h2,.card h3{
  margin:0 0 16px;
  color:#f2f7ff;
}

.card h2{font-size:19px}.card h3{font-size:16px}

.card p{color:#a8b7ca}

button{
  min-height:40px;
  margin:5px 6px 5px 0!important;
  padding:10px 15px!important;
  border:1px solid transparent!important;
  border-radius:11px!important;
  color:white!important;
  font:inherit;
  font-size:13px;
  font-weight:750;
  cursor:pointer;
  transition:transform .15s ease,filter .15s ease,border-color .15s ease;
}

button:hover{transform:translateY(-1px);filter:brightness(1.1)}
button:active{transform:translateY(0)}

.save,.blue{background:linear-gradient(135deg,var(--blue),var(--blue-2))!important}
.green{background:linear-gradient(135deg,#11a976,var(--green))!important}
.red{background:rgba(239,71,111,.14)!important;border-color:rgba(239,71,111,.38)!important;color:#ff8ca7!important}

input,select{
  width:min(100%,520px)!important;
  min-height:44px;
  padding:11px 13px!important;
  border:1px solid #29415f!important;
  border-radius:11px!important;
  outline:none;
  background:#061225!important;
  color:var(--text)!important;
  font:inherit;
  transition:border-color .18s ease,box-shadow .18s ease;
}

input:focus,select:focus{
  border-color:#278fba!important;
  box-shadow:0 0 0 4px rgba(49,201,237,.09);
}

input::placeholder{color:#607592}

#clients,#subscriptions,#nodes{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:14px;
  margin-top:16px;
}

#clients:empty,#subscriptions:empty,#nodes:empty{display:none}

#clients>.card,#subscriptions>.card,#nodes>.card{margin:0!important}

[id^="qr-"]{
  width:max-content;
  margin:14px 0;
  padding:8px;
  border-radius:12px;
  background:white;
}

[id^="sub-"]{
  padding:12px;
  border:1px dashed #315374;
  border-radius:10px;
  background:#061225;
  color:#74dff4!important;
  font-family:ui-monospace,SFMono-Regular,Consolas,monospace;
  font-size:12px;
}

.badge{padding:5px 12px;border-radius:999px}

body>.card{display:none!important}

.login-page{
  display:grid;
  place-items:center;
  padding:20px!important;
}

.login-page .container{width:min(430px,100%)}
.login-page .card{padding:34px!important;text-align:center}
.login-page h1{margin:0 0 24px;font-size:25px}
.login-page input{width:100%!important}
.login-page button{width:100%;margin-top:12px!important}
.login-page #msg{min-height:22px;color:#ff8ca7}

@media(max-width:880px){
  .stats{grid-template-columns:repeat(2,minmax(0,1fr))!important}
  #clients,#subscriptions,#nodes{grid-template-columns:1fr}
}

@media(max-width:620px){
  body{padding:12px 10px 50px!important}
  .header{padding:13px 14px}.header h1{font-size:15px}
  .stats{gap:9px!important}.stat{min-height:96px;padding:15px!important}.stat h2{font-size:28px!important}
  .logo{font-size:29px!important}.logo:before{width:38px;height:38px}
  .card{padding:18px!important;border-radius:16px!important}
  button{width:100%;margin-right:0!important}
}

.brand-row,.header-actions,.section-heading,.item-actions{display:flex;align-items:center;gap:12px}
.brand-row strong{display:block;font-size:17px}.brand-row small{display:block;color:var(--muted);font-size:12px}
.brand-mark{display:grid;place-items:center;width:42px;height:42px;border:1px solid #247ba0;border-radius:13px;background:linear-gradient(145deg,#102b43,#0a1d32);color:var(--cyan);font-size:23px;font-weight:950}
.header-actions{justify-content:flex-end}.status-pill{display:inline-flex;align-items:center;min-height:32px;padding:6px 10px;border:1px solid var(--line);border-radius:999px;background:#09172b;color:#a9bbd2;font-size:12px;font-weight:750}
.status-pill.good{border-color:rgba(19,185,129,.3);background:rgba(19,185,129,.1);color:#60e3b5}.status-pill.bad{border-color:rgba(239,71,111,.35);background:rgba(239,71,111,.1);color:#ff91aa}.ghost{background:rgba(37,99,235,.08)!important;border-color:var(--line)!important;color:#bdd1eb!important}
.hero-panel{width:min(1180px,100%);margin:0 auto 18px;display:flex;align-items:flex-end;justify-content:space-between;gap:30px;padding:30px;border:1px solid rgba(49,201,237,.2);border-radius:22px;background:linear-gradient(130deg,rgba(16,32,58,.98),rgba(8,22,42,.9));box-shadow:var(--shadow)}
.hero-panel h1{max-width:760px;margin:6px 0 10px;font-size:clamp(27px,4vw,44px);line-height:1.08;letter-spacing:-.04em}.hero-panel p{max-width:760px;margin:0;color:#a8bad2}.hero-panel code{flex:0 0 auto;padding:12px 14px;border:1px solid #21486c;border-radius:12px;background:#071326;color:var(--cyan)}.eyebrow{color:var(--cyan);font-size:11px;font-weight:850;letter-spacing:.14em}
.dashboard-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.dashboard-grid .card{margin-top:0!important}.section-heading{justify-content:space-between;gap:20px;margin-bottom:16px}.section-heading h2{margin:3px 0 0}
form label{display:block;margin-bottom:13px;color:#cbd8e8;font-size:12px;font-weight:750}form input{display:block!important;width:100%!important;max-width:none!important;margin-top:6px}.hint{margin:12px 0 0;color:var(--muted)!important;font-size:12px}
.item-list{display:grid;gap:10px}.list-item{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:15px 16px;border:1px solid var(--line);border-radius:14px;background:rgba(5,14,29,.52)}.list-item strong,.list-item small{display:block}.list-item small{margin-top:3px;color:var(--muted);font-size:12px}.list-item code{color:#68d8f2}.empty-state{padding:25px;border:1px dashed #29415f;border-radius:14px;color:var(--muted);text-align:center}
.pool-list{display:grid;gap:9px}.pool-row{display:flex;justify-content:space-between;gap:15px;padding:12px 13px;border:1px solid var(--line);border-radius:12px;background:#09172b}.pool-row span small{display:block;color:var(--muted);font-size:11px}.pool-row>strong{color:#60e3b5}.error-box{padding:14px;border:1px solid rgba(239,71,111,.4);border-radius:12px;background:rgba(239,71,111,.09);color:#ff9ab0}
.toast{position:fixed;right:22px;bottom:22px;z-index:50;max-width:380px;padding:13px 16px;border:1px solid var(--line);border-radius:12px;background:#0d1d34;color:white;box-shadow:var(--shadow);opacity:0;transform:translateY(12px);pointer-events:none;transition:.2s}.toast.visible{opacity:1;transform:none}.toast.ok{border-color:rgba(19,185,129,.45)}.toast.error{border-color:rgba(239,71,111,.5)}button:disabled{opacity:.55;cursor:wait;transform:none!important}
@media(max-width:880px){.dashboard-grid{grid-template-columns:1fr}.hero-panel{align-items:flex-start;flex-direction:column}}
@media(max-width:620px){.header,.section-heading,.list-item{align-items:flex-start;flex-direction:column}.header-actions{width:100%;justify-content:space-between}.hero-panel{padding:21px}.hero-panel code{width:100%;overflow:auto}.item-actions{width:100%}.item-actions button{width:auto}}