/* The iotmatrix.in palette, the same one the catalogue uses. Fonts are named but not
   fetched: the page must not depend on a third party being reachable. */
:root{
  --brand:#16a400; --brand-dark:#128500; --deep:#1e3f1f; --deeper:#121c12;
  --tint:#f7fbf0; --line:#e3e8e0; --muted:#6b7280; --bg:#f5f5f5; --ink:#222; --bad:#b91c1c;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
body{margin:0;font:15px/1.6 Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);
  min-height:100vh;display:flex;flex-direction:column}
h1,h2{font-family:Poppins,Roboto,Helvetica,Arial,sans-serif;font-weight:600;letter-spacing:-.01em;margin:0}
.muted{color:var(--muted)}
.small{font-size:13px}

.top{background:var(--deeper);padding:12px 24px;display:flex;align-items:center}
.top img{height:34px;width:auto;display:block}

.hero{background:var(--deep);color:#fff;text-align:center;padding:52px 20px 96px}
.hero h1{font-size:clamp(28px,5vw,42px)}
.tagline{color:#cfe6ca;font-size:17px;margin:10px 0 0}
.versionpick{margin-top:26px;display:flex;gap:10px;justify-content:center;align-items:center;flex-wrap:wrap}
.versionpick label{font-weight:500;color:#cfe6ca}
.versionpick .muted{color:#a9c9a4;font-size:13px}
select{font:inherit;padding:8px 12px;border-radius:6px;border:1px solid transparent;background:#fff;color:var(--ink);min-width:170px}

main{width:100%;max-width:980px;margin:-56px auto 0;padding:0 20px 40px;flex:1}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:30px 26px;text-align:center;
  box-shadow:0 6px 24px rgba(18,28,18,.08)}
.card h2{font-size:22px;margin-top:10px}
.card>.muted{margin:2px 0 20px}
.os{width:56px;height:56px;fill:var(--deep)}
.variants{display:flex;flex-direction:column;gap:10px}
.none{margin:8px 0;font-style:italic}

button,.btn{font:inherit;font-weight:500;padding:10px 18px;border-radius:8px;border:1px solid var(--line);
  background:#fff;color:var(--ink);cursor:pointer;text-decoration:none;display:inline-block}
button:hover,.btn:hover{border-color:var(--brand)}
button:focus-visible,.btn:focus-visible,select:focus-visible{outline:3px solid rgba(22,164,0,.35);outline-offset:2px}
.primary{background:var(--brand);color:#fff;border-color:var(--brand)}
.primary:hover{background:var(--brand-dark);border-color:var(--brand-dark)}
.primary:disabled{background:#c9d6c4;border-color:#c9d6c4;cursor:not-allowed}
.download{display:flex;justify-content:space-between;align-items:center;gap:12px;text-align:left;width:100%}
.download small{font-weight:400;opacity:.8;white-space:nowrap}
.wide{width:100%}

.notice,.notes{background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px 18px}
.notes{margin:20px 0 0;background:var(--tint)}

.steps{list-style:none;counter-reset:step;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:18px;padding:0;margin:40px 0 0}
.steps li{counter-increment:step;position:relative;padding-left:46px}
.steps li::before{content:counter(step);position:absolute;left:0;top:0;width:32px;height:32px;border-radius:50%;
  background:var(--brand);color:#fff;font-weight:600;display:grid;place-items:center}
.steps b{display:block}
.steps span{color:var(--muted);font-size:14px}

footer{text-align:center;color:var(--muted);font-size:13px;padding:18px}

/* ---- the form ---- */
dialog{border:0;border-radius:14px;padding:0;width:min(560px,calc(100vw - 24px));max-height:calc(100vh - 24px);
  box-shadow:0 20px 60px rgba(0,0,0,.3);color:var(--ink)}
dialog::backdrop{background:rgba(18,28,18,.6)}
dialog form,.sent{padding:28px;position:relative}
dialog h2{font-size:20px;padding-right:30px}
.close{position:absolute;top:14px;right:14px;border:0;background:none;font-size:26px;line-height:1;padding:4px 10px;color:var(--muted)}
.chosen{background:var(--tint);border:1px solid var(--line);border-radius:8px;padding:9px 12px;margin:12px 0 4px;font-size:14px}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}
@media (max-width:480px){.grid{grid-template-columns:1fr}}
label{display:block;margin-top:12px;font-weight:500;font-size:13px;color:var(--deep)}
input:not([type=checkbox]){display:block;width:100%;margin-top:4px;font:inherit;padding:9px 11px;border:1px solid var(--line);
  border-radius:6px;background:#fff;color:var(--ink)}
input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(22,164,0,.14)}
.invalid input{border-color:var(--bad)}
.fielderr{display:block;color:var(--bad);font-style:normal;font-weight:400;font-size:12px;margin-top:3px}
.check{display:flex;gap:9px;align-items:flex-start;font-weight:400;font-size:14px;color:var(--ink);margin-top:16px}
.check input{margin-top:4px;accent-color:var(--brand)}
.check .fielderr{flex-basis:100%}
.check.invalid{flex-wrap:wrap}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.err{background:#fef2f2;border:1px solid #fca5a5;color:var(--bad);padding:9px 12px;border-radius:8px;margin:12px 0 0;font-size:14px}
.sent{text-align:center}
.sent svg{width:56px;height:56px;fill:var(--brand)}
.sent h2{padding:0;margin-top:6px}

/* ---- the emailed link's page ---- */
.ready{max-width:560px;margin-top:48px}
.ready h1{font-size:24px;margin-bottom:12px}
.ready .btn{margin-top:14px;padding:12px 30px}

/* ---- admin ---- */
.admin{max-width:1180px;margin-top:28px}
.adminhead{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:16px}
.adminhead h1{font-size:22px}
.adminhead p{margin:2px 0 0}
.tablewrap{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:12px}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:10px 14px;border-bottom:1px solid var(--line);vertical-align:top}
th{background:var(--tint);font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--deep);white-space:nowrap}
tr:last-child td{border-bottom:0}
.tag{display:inline-block;padding:1px 9px;border-radius:999px;font-size:12px;border:1px solid var(--line)}
.tag.yes{border-color:#b7e5a8;background:#f1faec;color:var(--brand-dark)}
.tag.no{border-color:#fcd34d;background:#fffbeb;color:#b45309}

/* ---- install steps ---- */
.install{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px;margin-top:20px;text-align:left}
.install h2{font-size:20px;margin-bottom:8px}
.installsteps{padding-left:22px;margin:0}
.installsteps li{margin-top:16px}
.installsteps p,.install ul{margin:6px 0;color:#444}
.install ul{padding-left:20px}
pre{background:var(--deeper);color:#dbe7d8;padding:12px 14px;border-radius:8px;overflow-x:auto;margin:8px 0;
  font:13px/1.6 Consolas,Menlo,monospace;white-space:pre}
details{border-top:1px solid var(--line);margin-top:16px;padding-top:12px}
summary{cursor:pointer;font-weight:500;color:var(--deep)}
.ready .card{text-align:center}