/* Layout: dark slate sidebar (brand rail) + light working area; one view at a time, routed by #hash. */
:root{
  --c-black:#131414; --c-slate:#232830; --c-graphite:#32353E; --c-mint:#3BCBAA; --c-light:#F2F2F2;
  --bg:#F2F2F2; --surface:#ffffff; --surface-2:#f7f8f9; --ink:#232830; --mute:#5b626d; --line:#dfe2e6;
  --accent:#3BCBAA; --accent-ink:#131414; --accent-text:#14705c; --accent-soft:rgba(59,203,170,.16);
  --ok:#14705c; --ok-soft:rgba(59,203,170,.18); --warn:#8a5200; --warn-soft:rgba(255,170,60,.2);
  --bad:#b3261e; --bad-soft:rgba(220,70,60,.14); --idle:#5b626d; --idle-soft:rgba(120,126,136,.15);
  --rail:#232830; --rail-ink:#F2F2F2; --rail-mute:#a6acb6; --rail-line:#32353E;
  --shadow:0 1px 2px rgba(19,20,20,.06),0 4px 16px rgba(19,20,20,.05);
  --font-head:'Montserrat','Segoe UI',Arial,sans-serif; --font-body:'Inter','Segoe UI',Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,monospace;
  --radius:20px; --radius-sm:12px;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#131414; --surface:#1d2127; --surface-2:#232830; --ink:#F2F2F2; --mute:#a6acb6; --line:#32353E;
  --accent-text:#3BCBAA; --ok:#3BCBAA; --warn:#ffb74d; --bad:#ff8a80; --idle:#a6acb6;
  --rail:#0d0e0e; --rail-line:#232830; --shadow:none; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#131414; --surface:#1d2127; --surface-2:#232830; --ink:#F2F2F2; --mute:#a6acb6; --line:#32353E;
  --accent-text:#3BCBAA; --ok:#3BCBAA; --warn:#ffb74d; --bad:#ff8a80; --idle:#a6acb6;
  --rail:#0d0e0e; --rail-line:#232830; --shadow:none; color-scheme:dark}

*{box-sizing:border-box}
html,body{height:100%}
body{background:var(--bg);color:var(--ink);font:400 14.5px/1.55 var(--font-body);-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:var(--font-head);font-weight:700;margin:0;line-height:1.2;text-wrap:balance}
h1{font-size:clamp(22px,2.6vw,28px);letter-spacing:-.01em}
h2{font-size:12px;text-transform:uppercase;letter-spacing:.14em;color:var(--accent-text)}
h3{font-size:15px}
p{margin:0}
.num{font-variant-numeric:tabular-nums}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--c-mint);outline-offset:2px}

/* ---------- shell ---------- */
.shell{display:grid;grid-template-columns:240px minmax(0,1fr);min-height:100%}
.rail{background:var(--rail);color:var(--rail-ink);display:flex;flex-direction:column;gap:22px;
  padding-block:22px;padding-left:max(18px,env(safe-area-inset-left,0px));padding-right:18px;position:sticky;top:0;height:100vh}
.brand{display:flex;flex-direction:column;gap:10px}
.brand svg{height:34px;width:auto;display:block;align-self:flex-start}
.brand .prod{font:700 11px/1 var(--font-head);letter-spacing:.26em;text-transform:uppercase;color:var(--c-mint)}
.nav{display:flex;flex-direction:column;gap:2px;margin:0;padding:0;list-style:none}
.nav a{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:10px;color:var(--rail-mute);text-decoration:none;font:600 13px/1.2 var(--font-body)}
.nav a:hover{background:rgba(242,242,242,.06);color:var(--rail-ink)}
.nav a[aria-current="page"]{background:rgba(59,203,170,.14);color:var(--rail-ink)}
.nav a[aria-current="page"] .ico{color:var(--c-mint)}
.nav .ico{width:18px;height:18px;flex:none}
.nav .count{margin-left:auto;background:var(--c-mint);color:var(--c-black);font:700 11px/1 var(--font-body);padding:3px 7px;border-radius:99px}
.rail .foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;font-size:12.5px;color:var(--rail-mute)}
.acct{display:flex;align-items:center;gap:10px;padding-top:14px;border-top:1px solid var(--rail-line)}
.avatar{width:32px;height:32px;border-radius:9px;background:var(--c-graphite);color:var(--c-mint);display:grid;place-items:center;font:700 12px var(--font-head);flex:none}
.acct b{display:block;color:var(--rail-ink);font-weight:600}

.main{min-width:0;padding-block:26px 48px;padding-left:max(16px,min(4vw,40px));padding-right:max(16px,env(safe-area-inset-right,0px),min(4vw,40px))}
.sample{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12.5px;color:var(--mute);margin-bottom:18px}
.sample .tag{font:700 10.5px/1 var(--font-head);letter-spacing:.18em;text-transform:uppercase;background:var(--accent);color:var(--accent-ink);padding:6px 9px;border-radius:3px}
.head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap;margin-bottom:22px}
.head .sub{color:var(--mute);margin-top:6px}
.head .actions{display:flex;gap:10px;flex-wrap:wrap}
.view{display:flex;flex-direction:column;gap:20px}

/* ---------- building blocks ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow);min-width:0}
.card-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.grid{display:grid;gap:20px}
.g-2{grid-template-columns:repeat(auto-fit,minmax(min(100%,340px),1fr))}
.g-main{grid-template-columns:minmax(0,1.7fr) minmax(0,1fr)}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:var(--accent-ink);border:2px solid var(--accent);padding:9px 16px;border-radius:var(--radius-sm);
  font:700 11.5px/1.2 var(--font-head);letter-spacing:.08em;text-transform:uppercase;cursor:pointer;text-decoration:none;white-space:nowrap}
.btn:hover{filter:brightness(1.05)}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn.ghost:hover{background:var(--surface-2)}
.btn.sm{padding:5px 10px;font-size:10.5px;border-width:1.5px}
.btn.danger{background:transparent;color:var(--bad);border-color:var(--bad-soft)}
.pill{display:inline-flex;align-items:center;gap:6px;padding:2px 10px;border-radius:99px;font:600 12px/1.6 var(--font-body);white-space:nowrap}
.pill::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.pill.ok{background:var(--ok-soft);color:var(--ok)} .pill.warn{background:var(--warn-soft);color:var(--warn)}
.pill.bad{background:var(--bad-soft);color:var(--bad)} .pill.idle{background:var(--idle-soft);color:var(--idle)}
.muted{color:var(--mute)} .small{font-size:12.5px}
.mono{font-family:var(--mono);font-size:12.5px}

/* stat strip */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,200px),1fr));gap:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.stat{padding:18px 22px;display:flex;flex-direction:column;gap:6px;border-right:1px solid var(--line);min-width:0}
.stat:last-child{border-right:0}
.stat .k{font:600 11px/1.2 var(--font-head);text-transform:uppercase;letter-spacing:.12em;color:var(--mute)}
.stat .v{font:700 26px/1.1 var(--font-head);font-variant-numeric:tabular-nums}
.stat .v small{font:500 14px var(--font-body);color:var(--mute);margin-left:4px}
.meter{height:8px;border-radius:99px;background:var(--surface-2);border:1px solid var(--line);overflow:hidden;position:relative}
.meter i{position:absolute;inset:0 auto 0 0;background:var(--accent);border-radius:99px}
.meter i.proj{background:repeating-linear-gradient(135deg,var(--accent-soft) 0 4px,transparent 4px 8px);border-radius:0 99px 99px 0}
.meter.warn i{background:#ffaa3c}

/* chart */
.chart{width:100%;height:auto;display:block}
.chart text{fill:var(--mute);font:500 10.5px var(--font-body)}
.chart .gridl{stroke:var(--line);stroke-width:1}
.chart .bar{fill:var(--accent)}
.chart .bar.fut{fill:var(--line)}
.chart .cap{stroke:var(--bad);stroke-dasharray:4 4;stroke-width:1.5}
.chart .proj{stroke:var(--accent-text);stroke-width:2;fill:none;stroke-dasharray:3 4}
.chart .cum{stroke:var(--ink);stroke-width:2;fill:none}
.legend{display:flex;gap:16px;flex-wrap:wrap;font-size:12px;color:var(--mute)}
.legend span{display:inline-flex;align-items:center;gap:6px}
.legend i{width:14px;height:3px;border-radius:2px;display:inline-block}

/* lists & tables */
.tbl-wrap{overflow-x:auto;margin:0 -22px;padding:0 22px}
table{width:100%;border-collapse:collapse;font-size:13.5px}
th{font:600 11px/1.2 var(--font-head);text-transform:uppercase;letter-spacing:.1em;color:var(--mute);text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);white-space:nowrap}
td{padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:middle}
tr:last-child td{border-bottom:0}
td.r,th.r{text-align:right}
tbody tr.click{cursor:pointer}
tbody tr.click:hover td{background:var(--surface-2)}
.who b{display:block;font-weight:600}
.who span{color:var(--mute);font-size:12.5px}
.usage-cell{display:flex;align-items:center;gap:10px;min-width:150px}
.usage-cell .meter{flex:1;height:6px}
.alerts{display:flex;flex-direction:column;gap:2px;margin:0;padding:0;list-style:none}
.alerts li{display:grid;grid-template-columns:auto 1fr;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}
.alerts li:last-child{border-bottom:0}
.sev{width:4px;border-radius:2px;align-self:stretch}
.sev.warn{background:#ffaa3c} .sev.bad{background:var(--bad)} .sev.ok{background:var(--accent)}
.alerts b{font-weight:600;display:block}
.hbars{display:flex;flex-direction:column;gap:12px}
.hbar{display:grid;grid-template-columns:120px 1fr 64px;gap:12px;align-items:center;font-size:13.5px}
.hbar .meter{height:10px}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:12px}
.search{flex:1 1 220px;min-width:0;padding:9px 12px;border:1px solid var(--line);border-radius:10px;background:var(--surface-2)}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.seg button{border:0;background:transparent;padding:8px 12px;font-size:12.5px;font-weight:600;color:var(--mute);cursor:pointer}
.seg button[aria-pressed="true"]{background:var(--accent-soft);color:var(--ink)}

/* rules */
.rule{display:grid;grid-template-columns:1fr auto;gap:16px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line)}
.rule:last-child{border-bottom:0}
.rule .when{font-size:13px;color:var(--mute);margin-top:4px}
.rule .when code{font-family:var(--mono);font-size:12px;background:var(--surface-2);border:1px solid var(--line);padding:1px 6px;border-radius:6px;color:var(--ink)}
.switch{position:relative;width:42px;height:24px;flex:none}
.switch input{position:absolute;opacity:0;inset:0;cursor:pointer;margin:0}
.switch span{position:absolute;inset:0;border-radius:99px;background:var(--line);transition:background .15s;pointer-events:none}
.switch span::after{content:"";position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:#fff;transition:transform .15s;box-shadow:0 1px 2px rgba(0,0,0,.25)}
.switch input:checked+span{background:var(--accent)}
.switch input:checked+span::after{transform:translateX(18px)}
.switch input:focus-visible+span{outline:3px solid var(--c-mint);outline-offset:2px}

/* forms */
form.stack{display:flex;flex-direction:column;gap:14px}
label.f{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:600}
label.f .hint{font-weight:400;color:var(--mute);font-size:12.5px}
.f input,.f select,.f textarea{padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:var(--surface-2);font-weight:400}
.choice{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,200px),1fr));gap:10px}
.choice label{display:flex;gap:10px;align-items:flex-start;padding:12px 14px;border:1px solid var(--line);border-radius:12px;cursor:pointer;font-size:13px}
.choice label:has(input:checked){border-color:var(--accent);background:var(--accent-soft)}
.choice b{display:block}
.total{display:flex;justify-content:space-between;align-items:baseline;padding-top:12px;border-top:1px solid var(--line);font-weight:600}
.total .num{font:700 22px var(--font-head)}
dl.kv{display:grid;grid-template-columns:auto 1fr;gap:8px 18px;margin:0;font-size:13.5px}
dl.kv dt{color:var(--mute)} dl.kv dd{margin:0;min-width:0;overflow-wrap:anywhere}
.plan-box{display:flex;flex-direction:column;gap:12px}
.plan-name{font:800 20px var(--font-head);text-transform:uppercase;letter-spacing:.02em}

/* device management + payments */
.conn{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:14px;align-items:center}
.logo-mark{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;font:700 12px var(--font-head);background:var(--c-slate);color:var(--c-mint);flex:none}
.card .stats{box-shadow:none;margin-top:16px}
.card .stat{padding:14px 16px}
.card .stat .v{font-size:22px}
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,230px),1fr));gap:12px}
.tile{border:1px solid var(--line);border-radius:14px;padding:16px;display:flex;flex-direction:column;gap:10px;background:var(--surface-2);min-width:0}
.tile .nm{display:flex;align-items:center;gap:10px;font-weight:600}
.tile .nm .logo-mark{width:30px;height:30px;border-radius:8px;font-size:10.5px}
.tile p{font-size:13px;color:var(--mute);flex:1}
.tile .btn{align-self:flex-start}
ol.how{margin:0;padding-left:20px;font-size:13.5px;display:flex;flex-direction:column;gap:6px}
.addrbox{border:1px dashed var(--line);border-radius:12px;padding:12px 14px;font-size:13px;color:var(--mute);background:var(--surface-2)}
.picklist{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.picklist label{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:12px;align-items:center;padding:10px 14px;border-bottom:1px solid var(--line);font-size:13.5px;cursor:pointer}
.picklist label:last-child{border-bottom:0}
.picklist label:has(input:checked){background:var(--accent-soft)}
.paymethod{display:flex;align-items:center;gap:14px;padding:14px 16px;border:1px solid var(--line);border-radius:14px;background:var(--surface-2)}
.cardmark{width:48px;height:32px;border-radius:6px;background:var(--c-slate);color:var(--c-light);display:grid;place-items:center;font:700 10px var(--font-head);letter-spacing:.08em;flex:none}
.secure{display:flex;align-items:flex-start;gap:8px;font-size:12.5px;color:var(--mute)}
.secure svg{width:16px;height:16px;flex:none;margin-top:1px}
.col{display:flex;flex-direction:column;gap:20px;min-width:0}
div.stack{display:flex;flex-direction:column;gap:14px}
[hidden]{display:none!important}

/* drawer */
.scrim{position:fixed;inset:0;background:rgba(19,20,20,.45);z-index:40}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(440px,100%);background:var(--surface);border-left:1px solid var(--line);z-index:41;
  display:flex;flex-direction:column;gap:18px;overflow-y:auto;
  padding-top:max(22px,env(safe-area-inset-top,0px));padding-bottom:max(22px,env(safe-area-inset-bottom,0px));padding-left:22px;padding-right:max(22px,env(safe-area-inset-right,0px))}
.drawer .top{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.xbtn{border:1px solid var(--line);background:transparent;border-radius:10px;width:34px;height:34px;cursor:pointer;font-size:18px;line-height:1;flex:none}
.drawer .acts{display:flex;gap:8px;flex-wrap:wrap}
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:max(20px,calc(env(safe-area-inset-bottom,0px) + 12px));background:var(--c-slate);color:var(--c-light);
  padding:12px 18px;border-radius:12px;font-weight:600;font-size:13.5px;z-index:60;box-shadow:0 8px 30px rgba(0,0,0,.25);max-width:calc(100% - 32px)}
.toast b{color:var(--c-mint)}

/* ---------- responsive ---------- */
@media (max-width:1100px){.g-main{grid-template-columns:1fr}}
@media (max-width:860px){
  .shell{grid-template-columns:1fr}
  .rail{position:sticky;top:env(safe-area-inset-top,0px);height:auto;z-index:20;flex-direction:row;align-items:center;gap:14px;padding-block:12px;
    padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));overflow-x:auto}
  body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:30;background:var(--rail)}
  .brand{flex-direction:row;align-items:center;flex:none}
  .brand svg{height:24px}
  .brand .prod{display:none}
  .nav{flex-direction:row;gap:4px;flex:none}
  .nav a{padding:8px 10px;white-space:nowrap}
  .nav .lbl{display:none}
  .nav a[aria-current="page"] .lbl{display:inline}
  .rail .foot{display:none}
  .stat{border-right:0;border-bottom:1px solid var(--line)}
  .stat:last-child{border-bottom:0}
  .hbar{grid-template-columns:90px 1fr 56px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

/* ---------- additions for the real portal (not in the mockup) ---------- */
body{margin:0}
a.brand{text-decoration:none}
.brand img{height:34px;width:auto;display:block;align-self:flex-start}
.who a{color:inherit;text-decoration:none}
.who a:hover{text-decoration:underline}
.sr{position:absolute;left:-9999px}
.flash{padding:12px 16px;border-radius:var(--radius-sm);margin-bottom:18px;font-weight:600;background:var(--ok-soft);color:var(--ok)}
.flash.bad{background:var(--bad-soft);color:var(--bad)}
.railbtn{color:var(--rail-ink);border-color:var(--rail-line);margin-top:4px}
.authpage{background:var(--rail)}
.auth{min-height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:26px;padding:24px 16px}
.auth .brand{align-items:center}
.auth .brand img{height:42px;align-self:center}
.auth .card{width:100%;max-width:400px;display:flex;flex-direction:column;gap:16px}
.auth .sub{color:var(--mute)}
.m-signout{display:none}
@media (max-width:860px){.m-signout{display:block;margin-left:auto}.m-signout .railbtn{margin-top:0;white-space:nowrap}}
.seg a{padding:8px 12px;font-size:12.5px;font-weight:600;color:var(--mute);text-decoration:none}
.seg a[aria-pressed="true"]{background:var(--accent-soft);color:var(--ink)}
.rule form{display:flex;align-items:center;gap:8px}
details .how{margin-top:12px}