:root{
  --bg:#030709;--surface:#091117;--surface-2:#0d1820;--surface-3:#111f29;
  --line:rgba(154,183,198,.16);--line-strong:rgba(101,255,30,.3);
  --cyan:#5ac8fa;--green:#65ff1e;--text:#f2f7f9;--muted:#91a4ae;
  --bad:#ff7787;--ok:#72f6b4;--shadow:0 24px 70px rgba(0,0,0,.38);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;min-height:100vh;font-family:Inter,"Segoe UI",system-ui,-apple-system,sans-serif;
  color:var(--text);background:
    radial-gradient(900px 500px at 8% -8%,rgba(62,143,178,.16),transparent 60%),
    radial-gradient(700px 440px at 100% 25%,rgba(101,255,30,.055),transparent 65%),
    linear-gradient(145deg,var(--bg),#061016 55%,#03090d);
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;opacity:.2;
  background-image:linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.018) 1px,transparent 1px);
  background-size:32px 32px;mask-image:linear-gradient(to bottom,#000,transparent 75%);
}
a{color:var(--cyan);text-decoration:none;transition:color .2s,background .2s,border-color .2s,transform .2s}
.top{
  height:64px;position:sticky;top:0;z-index:30;border-bottom:1px solid var(--line);
  background:rgba(3,9,13,.9);backdrop-filter:blur(16px);
}
.top-inner{
  width:min(1080px,calc(100% - 40px));height:100%;margin:auto;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.brand{display:flex;align-items:center;flex:none;height:36px}
.brand img{display:block;width:148px;height:36px;object-fit:contain;object-position:left center}
.top-actions{display:flex;align-items:center;justify-content:flex-end;gap:12px;min-width:0}
.top-nav{display:flex;align-items:center;gap:2px;min-width:0}
.top-nav a{
  padding:8px 12px;border-radius:9px;color:#a9bcc6;font-size:.875rem;font-weight:600;
  white-space:nowrap;line-height:1.2;
}
.top-nav a:hover{color:var(--text);background:rgba(255,255,255,.05)}
.top-nav .nav-primary{
  margin-left:4px;color:#071008;background:var(--green);padding-inline:14px;font-weight:750;
}
.top-nav .nav-primary:hover{color:#071008;background:#83ff4c;transform:none}
.top-sep{
  width:1px;height:22px;flex:none;
  background:rgba(154,183,198,.22);
}
.user-menu{position:relative;flex:none}
.user-menu-btn{
  display:inline-flex!important;align-items:center;gap:8px;
  margin-top:0!important;min-height:36px;padding:4px 10px 4px 4px!important;
  border-radius:999px!important;border:1px solid rgba(154,183,198,.22)!important;
  background:rgba(8,18,24,.75)!important;color:var(--text)!important;
  font:600 .84rem/1 Inter,system-ui,sans-serif!important;
  box-shadow:none!important;cursor:pointer;transform:none!important;filter:none!important;
}
.user-menu-btn:hover{
  border-color:rgba(90,200,250,.4)!important;background:rgba(12,24,32,.9)!important;
  transform:none!important;filter:none!important;color:var(--text)!important;
}
.user-avatar{
  width:28px;height:28px;border-radius:50%;flex:none;
  display:grid;place-items:center;
  background:linear-gradient(145deg,#5ac8fa,#2a8fbd);
  color:#041018;font-size:.78rem;font-weight:800;
}
.user-menu-label{
  max-width:10ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.user-chev{
  width:0;height:0;margin-left:2px;
  border-left:4px solid transparent;border-right:4px solid transparent;
  border-top:5px solid #8fa0aa;
}
.user-menu.open .user-chev{transform:rotate(180deg)}
.user-menu-panel{
  position:absolute;top:calc(100% + 8px);right:0;z-index:40;
  min-width:240px;padding:8px;border-radius:14px;
  border:1px solid rgba(154,183,198,.2);
  background:rgba(4,14,20,.98);
  box-shadow:0 16px 40px rgba(0,0,0,.45);
}
.user-menu-panel[hidden]{display:none!important}
.user-menu-email{
  padding:10px 12px 12px;margin-bottom:4px;
  border-bottom:1px solid rgba(154,183,198,.14);
  color:var(--muted);font-size:.8rem;line-height:1.35;word-break:break-all;
}
.user-menu-item{
  display:block;padding:10px 12px;border-radius:10px;
  color:var(--text);font-size:.9rem;font-weight:600;
}
.user-menu-item:hover{background:rgba(255,255,255,.05);color:var(--text)}
.user-menu-item.danger{color:#ffb4bd}
.user-menu-item.danger:hover{background:rgba(255,119,135,.1);color:#ffd0d6}
.top .lang-switch.inline{
  position:relative;top:auto;right:auto;flex:none;
}
.top .lang-switch.compact .lang-btn{
  min-height:34px;padding:6px 10px !important;
  box-shadow:none !important;
  background:rgba(8,18,24,.75) !important;
  border-color:rgba(154,183,198,.2) !important;
}
.top .lang-switch.compact .lang-cur{max-width:7.5ch;overflow:hidden;text-overflow:ellipsis}
.top .lang-menu{right:0;left:auto}
.wrap{position:relative;width:min(1080px,calc(100% - 40px));margin:48px auto 72px;min-height:calc(100vh - 220px)}
.auth{width:min(460px,100%);margin:38px auto}
.card{
  position:relative;overflow:hidden;background:linear-gradient(145deg,rgba(17,31,41,.96),rgba(8,17,23,.97));
  border:1px solid var(--line);border-radius:20px;padding:clamp(22px,3vw,30px);box-shadow:var(--shadow);
}
.card::before{content:"";position:absolute;inset:0 0 auto;height:1px;background:linear-gradient(90deg,transparent,rgba(101,255,30,.45),transparent)}
.card+.card{margin-top:18px!important}
.eyebrow{
  margin:0 0 8px;color:var(--cyan);font-size:.72rem;font-weight:700;
  letter-spacing:.08em;text-transform:uppercase;
}
.account-hero{margin-bottom:18px}
.account-hero h1{margin-bottom:8px}
.hero-lead{margin:0 0 16px;max-width:48ch}
.hero-meta{display:flex;flex-wrap:wrap;gap:8px}
.status-pill{
  display:inline-flex;align-items:center;padding:5px 10px;border-radius:999px;
  border:1px solid rgba(90,200,250,.28);background:rgba(90,200,250,.08);
  color:var(--cyan);font-size:.75rem;font-weight:700;
}
.status-pill.ok{
  border-color:rgba(114,246,180,.35);background:rgba(114,246,180,.1);color:#9dffd0;
}
.status-pill.muted-pill{
  border-color:var(--line);background:rgba(255,255,255,.03);color:var(--muted);
}

.shortcuts{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:0 0 18px;
}
.shortcut{
  display:flex;flex-direction:column;gap:6px;min-height:132px;
  padding:18px 16px;border-radius:16px;border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(14,28,38,.95),rgba(7,16,22,.98));
  color:inherit;transition:border-color .18s,transform .18s,background .18s;
}
.shortcut:hover{
  border-color:rgba(90,200,250,.4);transform:translateY(-1px);color:inherit;
  background:linear-gradient(160deg,rgba(18,36,48,.98),rgba(8,18,24,.98));
}
.shortcut.primary{
  border-color:rgba(101,255,30,.35);
  background:linear-gradient(160deg,rgba(28,52,24,.55),rgba(8,18,24,.98));
}
.shortcut.primary:hover{border-color:rgba(101,255,30,.55)}
.shortcut-kicker{
  color:var(--muted);font-size:.68rem;font-weight:700;letter-spacing:.07em;text-transform:uppercase;
}
.shortcut strong{color:var(--text);font-size:1.02rem;letter-spacing:-.02em}
.shortcut span:last-child{color:var(--muted);font-size:.86rem;line-height:1.45}

.section-head{
  display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:16px;
}
.section-lead{margin:4px 0 0}
.section-cta{margin-top:0!important}
.section-head h2{margin-bottom:0}

.device-empty{
  display:grid;grid-template-columns:minmax(140px,220px) 1fr;gap:22px;align-items:center;
  padding:8px 4px;
}
.device-empty-visual{
  display:grid;place-items:center;padding:12px;border-radius:16px;
  background:radial-gradient(120px 80px at 50% 40%,rgba(65,195,255,.16),transparent 70%),rgba(4,14,20,.7);
  border:1px solid rgba(143,176,196,.12);
}
.device-empty-visual img{
  width:min(100%,200px);height:auto;object-fit:contain;
  filter:drop-shadow(0 16px 28px rgba(0,0,0,.45));
}
.device-empty h3{margin:0 0 8px;font-size:1.15rem}
.device-empty .actions{margin-top:14px}
.device-empty .actions .btn,.device-empty .actions .btn.ghost{margin-top:0}

.device-grid{display:grid;grid-template-columns:1fr;gap:14px}
.device-card{
  display:grid;grid-template-columns:140px 1fr;gap:16px;align-items:stretch;
  padding:14px;border-radius:16px;border:1px solid var(--line);
  background:linear-gradient(145deg,rgba(14,29,38,.92),rgba(6,15,20,.9));
}
.device-card-visual{
  display:grid;place-items:center;border-radius:14px;padding:10px;
  background:radial-gradient(90px 70px at 50% 45%,rgba(65,195,255,.18),transparent 72%),rgba(3,12,18,.8);
  border:1px solid rgba(143,176,196,.12);
}
.device-card-visual img{
  width:100%;max-width:120px;height:auto;object-fit:contain;
  filter:drop-shadow(0 12px 20px rgba(0,0,0,.4));
}
.device-card-body{min-width:0;display:flex;flex-direction:column;gap:10px;padding:4px 4px 2px 0}
.device-card-top{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.device-card-top h3{margin:0;font-size:1.08rem;letter-spacing:-.02em}
.device-facts{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:8px;margin:0;
}
.device-facts div{
  padding:8px 10px;border-radius:10px;background:rgba(4,14,20,.55);border:1px solid rgba(143,176,196,.1);
}
.device-facts dt{margin:0;color:var(--muted);font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em}
.device-facts dd{margin:4px 0 0;font-size:.88rem;font-weight:650;word-break:break-word}
.device-card-actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:auto}
.device-card-actions .btn,.device-card-actions form,.device-card-actions button{margin-top:0}
.device-card-actions form{display:inline-flex}
.device-warn{margin:4px 0 0;font-size:.8rem;line-height:1.4;max-width:42ch}
.btn.danger,.btn.ghost.danger{color:#ffb4bd;border-color:rgba(255,119,135,.35)}
.btn.ghost.danger:hover{background:rgba(255,119,135,.08);color:#ffd0d6}
.pill.ok{border-color:rgba(114,246,180,.4);color:#9dffd0;background:rgba(114,246,180,.1)}
.facts-compact{margin-top:4px}
.link-steps{padding-left:20px}
.link-steps li{margin:0 0 8px}
h1,h2,h3{letter-spacing:-.025em}
h1,h2{margin-top:0}
h1{font-size:clamp(1.75rem,3vw,2.25rem);margin-bottom:8px}
h2{font-size:1.28rem;margin-bottom:14px}
.muted{color:var(--muted);line-height:1.55}
label{display:block;margin:17px 0 7px;color:#b3c2ca;font-size:.8rem;font-weight:650;letter-spacing:.03em}
input,select,textarea{
  width:100%;padding:13px 14px;border-radius:11px;border:1px solid rgba(139,180,201,.27);
  background:rgba(2,9,13,.72);color:#fff;font-size:.96rem;transition:border-color .2s,box-shadow .2s,background .2s;
}
input:hover,select:hover,textarea:hover{border-color:rgba(139,180,201,.48)}
input:focus,select:focus,textarea:focus{outline:0;border-color:var(--cyan);background:#071219;box-shadow:0 0 0 4px rgba(90,200,250,.11)}
button,.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;margin-top:17px;padding:12px 18px;
  border:1px solid transparent;border-radius:11px;background:linear-gradient(135deg,#71d7ff,#3cb7ed);
  color:#041018;font-weight:800;cursor:pointer;box-shadow:0 10px 24px rgba(35,160,220,.18);
  transition:transform .18s,filter .18s,box-shadow .18s;
}
button:hover,.btn:hover{transform:translateY(-1px);filter:brightness(1.07);box-shadow:0 13px 28px rgba(35,160,220,.25)}
.btn.ghost{background:transparent;color:var(--text);border-color:var(--line);box-shadow:none}
.alert{padding:13px 15px;border-radius:11px;margin:16px 0;background:#10232e;border:1px solid var(--line);line-height:1.45}
.alert.bad{border-color:rgba(255,119,135,.45);color:#ffd6dc;background:rgba(93,21,34,.22)}
.alert.ok{border-color:rgba(114,246,180,.4);color:#ceffe4;background:rgba(22,91,58,.2)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(245px,1fr));gap:15px}
.device{padding:18px;border:1px solid var(--line);border-radius:15px;background:linear-gradient(145deg,rgba(14,29,38,.9),rgba(6,15,20,.88))}
.device p{margin-block:10px}
.code{font:800 2rem ui-monospace,SFMono-Regular,monospace;letter-spacing:.15em;color:var(--green);text-align:center;padding:12px;text-shadow:0 0 22px rgba(101,255,30,.22)}
.pill{display:inline-flex;padding:4px 9px;border:1px solid rgba(90,200,250,.35);border-radius:999px;font-size:.72rem;font-weight:700;color:var(--cyan);background:rgba(90,200,250,.07);text-transform:uppercase;letter-spacing:.06em}
.actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.actions form{margin:0}.actions button{margin-top:0}
.help{font-size:.88rem;color:var(--muted);line-height:1.6}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(215px,1fr));gap:11px;margin:0}
.facts div{padding:15px 16px;border:1px solid var(--line);border-radius:13px;background:rgba(5,15,21,.55)}
.facts dt{margin:0;color:var(--muted);font-size:.73rem;font-weight:700;text-transform:uppercase;letter-spacing:.07em}
.facts dd{margin:6px 0 0;font-weight:750;word-break:break-word}
.country-form{margin-top:16px}.country-form select{max-width:360px}
.subhead{margin:26px 0 9px;font-size:1.05rem}.plain{margin:0;padding-left:18px;color:var(--muted);line-height:1.7}
.install-zone{margin:19px 0;padding:26px;text-align:center;border:1px dashed rgba(90,200,250,.38);border-radius:15px;background:rgba(3,12,17,.6)}
.compat{margin:8px 0 4px;font-weight:700}.steps{color:var(--muted);line-height:1.7;padding-left:21px}.steps strong{color:var(--text)}
esp-web-install-button::part(activate){border:0;border-radius:11px;padding:13px 22px;background:var(--green);color:#071008;font-weight:850;font-size:.96rem;cursor:pointer}
footer{display:flex;align-items:center;justify-content:center;gap:14px;padding:28px;color:var(--muted);border-top:1px solid var(--line);font-size:.78rem}
footer img{width:125px;height:38px;object-fit:contain;opacity:.65}
.pairing-card{text-align:center}
.pair-state{width:58px;height:58px;margin:0 auto 18px;display:grid;place-items:center;border-radius:50%;font-size:1.8rem;font-weight:900}
.ok-state{color:#06140c;background:var(--ok);box-shadow:0 0 32px rgba(114,246,180,.25)}
.error-state{color:#21060a;background:var(--bad)}
.loading-state{border:3px solid rgba(90,200,250,.18);border-top-color:var(--cyan);animation:pair-spin .9s linear infinite}
.pair-steps{margin:22px 0;padding:0;list-style:none;text-align:left;display:grid;gap:9px}
.pair-steps li{position:relative;padding:11px 13px 11px 42px;border:1px solid var(--line);border-radius:11px;background:rgba(4,13,18,.5);color:var(--muted)}
.pair-steps li::before{content:"";position:absolute;left:14px;top:50%;width:15px;height:15px;margin-top:-8px;border:1px solid var(--line);border-radius:50%}
.pair-steps li.done::before{content:"✓";display:grid;place-items:center;color:#06140c;background:var(--ok);border-color:var(--ok);font-size:.65rem;font-weight:900}
.pair-steps li.active{color:var(--text);border-color:rgba(90,200,250,.35)}
.pair-steps li.active::before{border-color:var(--cyan);box-shadow:0 0 0 4px rgba(90,200,250,.1)}
@keyframes pair-spin{to{transform:rotate(360deg)}}
@media(max-width:680px){
  .top{height:auto}
  .top-inner{
    width:calc(100% - 24px);min-height:58px;padding:10px 0;
    flex-wrap:wrap;gap:10px 12px;align-items:center;
  }
  .brand{height:32px}.brand img{width:132px;height:32px}
  .top-actions{width:100%;justify-content:space-between;gap:8px}
  .top-nav{flex:1;min-width:0;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
  .top-nav::-webkit-scrollbar{display:none}
  .top-nav a{padding:7px 10px;font-size:.82rem}
  .top-sep{display:none}
  .user-menu-label{display:none}
  .top .lang-switch.compact .lang-cur{display:none}
  .wrap{width:calc(100% - 24px);margin-top:24px}.card{padding:20px;border-radius:16px}.facts{grid-template-columns:1fr}
  .shortcuts{grid-template-columns:1fr 1fr}
  .device-empty,.device-card{grid-template-columns:1fr}
  .device-empty-visual{max-width:220px;margin:0 auto}
  .section-head{flex-direction:column;align-items:stretch}
}
@media(max-width:480px){
  .shortcuts{grid-template-columns:1fr}
}