:root {
  --bg1: #0b1220;
  --bg2: #131c2e;
  --card: #18233a;
  --border: #25324d;
  --accent: #38bdf8;
  --accent2: #22d3ee;
  --text: #e6edf7;
  --muted: #93a3bd;
  --danger: #f87171;
  --ok: #34d399;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(1100px 700px at 50% -15%, var(--bg2), var(--bg1));
  color: var(--text);
  min-height: 100vh;
  line-height: 1.55;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 1.5rem; border-bottom: 1px solid var(--border);
  background: rgba(11,18,32,.6); backdrop-filter: blur(8px);
  position: sticky; top: 0; z-index: 10;
}
.brand { font-weight: 800; font-size: 1.2rem; letter-spacing: -.02em; }
.brand span { color: var(--accent); }
.nav .links { display: flex; gap: 1.2rem; align-items: center; }
.container { max-width: 960px; margin: 0 auto; padding: 2rem 1.5rem; }
.center-narrow { max-width: 420px; }
h1 { font-size: 1.8rem; margin-bottom: .4rem; letter-spacing: -.02em; }
h2 { font-size: 1.25rem; margin: 1.5rem 0 .8rem; }
p.sub { color: var(--muted); margin-bottom: 1.5rem; }
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 14px; padding: 1.5rem; margin-bottom: 1.2rem;
}
label { display: block; font-size: .85rem; color: var(--muted); margin: .8rem 0 .3rem; }
input[type=text], input[type=email], input[type=password] {
  width: 100%; padding: .7rem .9rem; border-radius: 9px;
  border: 1px solid var(--border); background: #0e1626; color: var(--text);
  font-size: 1rem;
}
input:focus { outline: none; border-color: var(--accent); }
.btn {
  display: inline-block; cursor: pointer; border: none; border-radius: 9px;
  padding: .7rem 1.2rem; font-size: 1rem; font-weight: 600;
  background: linear-gradient(90deg, var(--accent), var(--accent2)); color: #06121f;
  transition: transform .05s ease, filter .15s ease;
}
.btn:hover { filter: brightness(1.08); text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn.full { width: 100%; }
.btn.secondary { background: #233149; color: var(--text); border: 1px solid var(--border); }
.btn.danger { background: #3a1f24; color: var(--danger); border: 1px solid #5b2a30; }
.btn.sm { padding: .4rem .8rem; font-size: .85rem; }
.flash { padding: .8rem 1rem; border-radius: 9px; margin-bottom: 1rem; font-size: .92rem; }
.flash.err { background: #3a1f24; color: #fecaca; border: 1px solid #5b2a30; }
.flash.ok { background: #10241d; color: #bbf7d0; border: 1px solid #1f4a39; }
.flash.info { background: #112233; color: #bae6fd; border: 1px solid #1e3a52; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.device {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: 1rem 1.2rem; border: 1px solid var(--border);
  border-radius: 12px; margin-bottom: .8rem; background: #0f1828;
}
.device .meta { display: flex; flex-direction: column; gap: .15rem; }
.device .name { font-weight: 600; font-size: 1.05rem; }
.badge { font-size: .72rem; padding: .2rem .6rem; border-radius: 999px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; }
.badge.active { background: #10241d; color: var(--ok); border: 1px solid #1f4a39; }
.badge.pending { background: #2a2410; color: #fcd34d; border: 1px solid #4a3f1f; }
.badge.disabled { background: #2a2a2a; color: #9ca3af; border: 1px solid #3f3f46; }
.code { font-family: ui-monospace, "SF Mono", Menlo, monospace; background: #0b1322; border: 1px solid var(--border); padding: 1rem; border-radius: 9px; font-size: .85rem; white-space: pre-wrap; word-break: break-all; }
.row { display: flex; gap: .6rem; align-items: center; }
.steps { counter-reset: step; list-style: none; }
.steps li { position: relative; padding: .6rem 0 .6rem 2.4rem; }
.steps li::before {
  counter-increment: step; content: counter(step);
  position: absolute; left: 0; top: .5rem; width: 1.6rem; height: 1.6rem;
  background: var(--accent); color: #06121f; border-radius: 50%;
  display: grid; place-items: center; font-weight: 700; font-size: .85rem;
}
iframe.guac { width: 100%; height: calc(100vh - 64px); border: 0; display: block; }
.choice { display: flex; gap: .6rem; align-items: flex-start; background: #0f1828; border: 1px solid var(--border); border-radius: 10px; padding: .8rem .9rem; margin-top: .5rem; cursor: pointer; color: var(--text); font-size: .92rem; }
.choice input { margin-top: .25rem; }
.choice span em { color: var(--accent2); font-style: normal; }
.table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.table th, .table td { text-align: left; padding: .55rem .6rem; border-bottom: 1px solid var(--border); }
.table th { color: var(--muted); font-weight: 600; font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; }
.table tr:hover td { background: #0f1828; }
.logo { display: inline-flex; align-items: center; gap: .5rem; }
.logo svg { width: 26px; height: 26px; }
.hero-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; }
.feature { display: flex; gap: .8rem; align-items: flex-start; }
.feature .ic { font-size: 1.4rem; line-height: 1; }
footer.site { border-top: 1px solid var(--border); color: var(--muted); padding: 2rem 1.5rem; text-align: center; font-size: .85rem; }