:root{
  --bg:#070b14;--bg2:#0b1220;--card:#0f1828;--line:#1c2a40;--text:#e3ebf6;--muted:#8a9bb4;
  --accent:#22d3ee;--accent2:#3b82f6;--ok:#34d399;--warn:#fbbf24;--err:#f87171;
  --radius:14px;--mono:ui-monospace,SFMono-Regular,"JetBrains Mono",Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{background:var(--bg)}
body{margin:0;min-height:100vh;display:flex;flex-direction:column;background:radial-gradient(1200px 600px at 80% -10%,rgba(34,211,238,.08),transparent 60%),radial-gradient(900px 500px at -10% 10%,rgba(59,130,246,.07),transparent 60%),var(--bg);color:var(--text);font:15px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,Ubuntu,sans-serif}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
h1{font-size:1.7rem;margin:.2rem 0 1rem;letter-spacing:-.01em}h2{font-size:1.15rem;margin:0 0 .8rem}h3{font-size:1rem;margin:0 0 .6rem}
code,.mono,pre{font-family:var(--mono)}code{background:#0a1322;border:1px solid var(--line);padding:.05rem .35rem;border-radius:6px;font-size:.88em}
pre{background:#060d18;border:1px solid var(--line);border-radius:10px;padding:.8rem 1rem;overflow-x:auto;white-space:pre-wrap;word-break:break-all;font-size:.88rem;color:#bfeefa}
.sel{user-select:all}
.top{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.8rem clamp(16px,4vw,40px);border-bottom:1px solid var(--line);background:rgba(7,11,20,.75);backdrop-filter:blur(8px);position:sticky;top:0;z-index:5;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:.55rem;color:var(--text);font-size:1.15rem;letter-spacing:.01em}.brand:hover{text-decoration:none}.brand b{color:var(--accent);font-weight:700}
nav{display:flex;align-items:center;gap:1.1rem;flex-wrap:wrap}nav a{color:var(--muted)}nav a:hover{color:var(--text);text-decoration:none}nav .who{color:var(--text);max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
main.wrap{width:100%;max-width:1120px;margin:0 auto;padding:1.6rem 16px 3rem;flex:1}
main.hero-wrap{width:100%;max-width:1120px;margin:0 auto;padding:0 16px 3rem;flex:1}
.foot{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;padding:1rem clamp(16px,4vw,40px);border-top:1px solid var(--line);color:var(--muted);font-size:.85rem}
.card{background:linear-gradient(180deg,rgba(255,255,255,.02),transparent),var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.2rem 1.3rem;margin-bottom:1.1rem}
.narrow{max-width:440px;margin:2rem auto}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:1.1rem}.grid2>.card{margin:0}
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.1rem;margin-bottom:1.1rem}.grid3>.card{margin:0}
.grid2+.card,.grid2+section{margin-top:1.1rem}
.head-row{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.crumbs{color:var(--muted);font-size:.88rem;margin:0}
.muted{color:var(--muted)}.small{font-size:.86rem}
label{display:flex;flex-direction:column;gap:.3rem;font-size:.88rem;color:var(--muted)}
label.check{flex-direction:row;align-items:center;gap:.5rem;color:var(--text)}
input,select{font:inherit;color:var(--text);background:#081120;border:1px solid var(--line);border-radius:10px;padding:.6rem .75rem;outline:none;min-width:0}
input:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(34,211,238,.15)}
input[type=checkbox]{width:1rem;height:1rem;accent-color:var(--accent)}
input.code{font-family:var(--mono);font-size:1.3rem;letter-spacing:.25em;text-align:center}
.stack{display:flex;flex-direction:column;gap:.85rem}
.row-form{display:flex;gap:.8rem;align-items:flex-end;flex-wrap:wrap}.row-form label{flex:1;min-width:180px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;font:inherit;font-weight:600;color:#04121a;background:linear-gradient(135deg,var(--accent),var(--accent2));border:0;border-radius:10px;padding:.62rem 1.1rem;cursor:pointer;white-space:nowrap}
.btn:hover{filter:brightness(1.1);text-decoration:none}
.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--line)}.btn.ghost:hover{border-color:var(--accent)}
.btn.danger{background:transparent;color:var(--err);border:1px solid rgba(248,113,113,.45)}.btn.danger:hover{background:rgba(248,113,113,.1)}
.btn.small{padding:.35rem .7rem;font-size:.84rem;border-radius:8px}
.btn-row{display:flex;gap:.6rem;flex-wrap:wrap}
button.link{background:none;border:0;color:var(--muted);font:inherit;cursor:pointer;padding:0}button.link:hover{color:var(--text)}
form.inline{display:inline}
.alert{border-radius:10px;padding:.7rem .9rem;margin-bottom:1rem;border:1px solid}
.alert.err{background:rgba(248,113,113,.08);border-color:rgba(248,113,113,.35);color:#fecaca}
.alert.ok{background:rgba(52,211,153,.08);border-color:rgba(52,211,153,.35);color:#bbf7d0}
.alert.warn{background:rgba(251,191,36,.08);border-color:rgba(251,191,36,.35);color:#fde68a}
.pill{display:inline-block;font-size:.75rem;padding:.08rem .5rem;border-radius:999px;border:1px solid var(--line);color:var(--muted);vertical-align:middle}
.pill.on{color:var(--ok);border-color:rgba(52,211,153,.4)}.pill.off{color:var(--err);border-color:rgba(248,113,113,.4)}.pill.warn{color:var(--warn);border-color:rgba(251,191,36,.45)}
.warn-t{color:var(--warn)}
.dot{display:inline-block;width:.6rem;height:.6rem;border-radius:50%;background:#3a475c;margin-right:.35rem;vertical-align:middle}
.dot.on{background:var(--ok);box-shadow:0 0 8px rgba(52,211,153,.7)}.dot.big{width:.8rem;height:.8rem}
table{width:100%;border-collapse:collapse}
td,th{padding:.55rem .5rem;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}
th{color:var(--muted);font-weight:500;font-size:.8rem;text-transform:uppercase;letter-spacing:.04em}
tr:last-child td{border-bottom:0}
td.actions{text-align:right;white-space:nowrap}td.actions form{margin-left:.3rem}
.table-wrap{overflow-x:auto}
.mesh-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1rem;margin-bottom:1.1rem}
.card.mesh{display:block;color:var(--text);margin:0;transition:border-color .15s,transform .15s}.card.mesh:hover{border-color:var(--accent);text-decoration:none;transform:translateY(-1px)}
.mesh-name{font-size:1.1rem;font-weight:600;margin-bottom:.2rem}.mesh-stats{margin-top:.7rem;font-size:.9rem}
.card.empty{text-align:center;color:var(--muted)}
.attention{border-color:rgba(251,191,36,.45)}
.keybox{border-color:rgba(34,211,238,.5)}
.danger-zone details{margin-top:.6rem}.danger-zone summary{cursor:pointer;color:var(--muted)}
details[open] summary{margin-bottom:.8rem}
.qr{background:#fff;border-radius:12px;padding:12px;width:max-content;max-width:100%;margin:.6rem 0}.qr svg{display:block;max-width:100%;height:auto}
.kv{display:grid;grid-template-columns:max-content 1fr;gap:.45rem 1rem;margin:0 0 1rem}.kv dt{color:var(--muted)}.kv dd{margin:0;word-break:break-all}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem;margin-bottom:1.1rem}
.stat{margin:0;display:flex;flex-direction:column}.stat b{font-size:1.8rem;color:var(--accent)}.stat span{color:var(--muted);font-size:.85rem}
form.lim input{width:3.4rem;padding:.3rem .4rem;font-size:.85rem}
.hero{padding:4.5rem 0 2.5rem;max-width:760px}
.hero h1{font-size:clamp(2rem,5vw,3.2rem);line-height:1.1;margin-bottom:1rem}
.accent{background:linear-gradient(135deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:1.12rem;color:#b9c6d9;max-width:640px}
.cta{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:1.6rem}
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:1rem}.features .card{margin:0}.features p{color:#b9c6d9;margin:0;font-size:.93rem}
.prose{max-width:820px}.prose p,.prose li{color:#c7d3e4}
@media (max-width:640px){
  h1{font-size:1.4rem}.card{padding:1rem}
  .devices th:nth-child(4),.devices td:nth-child(4),.devices th:nth-child(6),.devices td:nth-child(6){display:none}
  td.actions{white-space:normal}td.actions form{display:inline-block;margin:.2rem 0 .2rem .3rem}
}