:root {
  --bg: #0f1115;
  --panel: #171a21;
  --panel2: #1e222b;
  --text: #e6e8ec;
  --muted: #8b93a3;
  --accent: #ff7a18;
  --accent2: #ffb347;
  --green: #2ecc71;
  --red: #e74c3c;
  --border: #262b36;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}
a { color: var(--accent2); text-decoration: none; }
a:hover { text-decoration: underline; }
header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 24px; border-bottom: 1px solid var(--border); background: var(--panel);
}
.brand { font-weight: 700; font-size: 18px; color: var(--text); }
nav a { margin-left: 16px; color: var(--muted); }
nav a.cta { color: var(--accent); font-weight: 600; }
main { max-width: 820px; margin: 0 auto; padding: 28px 20px 60px; }
footer { text-align: center; color: var(--muted); padding: 24px; font-size: 13px; }

.hero h1 { font-size: 34px; margin: 8px 0; }
.hero p { color: var(--muted); font-size: 18px; }
.actions { margin: 22px 0; display: flex; gap: 12px; flex-wrap: wrap; }

.btn {
  display: inline-block; padding: 10px 16px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--panel2); color: var(--text);
  cursor: pointer; font-size: 15px;
}
.btn:hover { border-color: var(--accent); text-decoration: none; }
.btn.primary { background: linear-gradient(135deg, var(--accent), var(--accent2)); color: #1a1205; border: none; font-weight: 700; }
.btn.big { font-size: 17px; padding: 14px 22px; margin: 18px 0; display: inline-block; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 30px; }
.step { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 16px; }
.step span {
  display: inline-flex; width: 28px; height: 28px; align-items: center; justify-content: center;
  border-radius: 50%; background: var(--accent); color: #1a1205; font-weight: 700; margin-bottom: 8px;
}
.step b { display: block; }
.step p { color: var(--muted); margin: 6px 0 0; font-size: 14px; }

.card { background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 22px; margin-bottom: 20px; }
.card h2 { margin-top: 0; }
form label { display: block; margin-bottom: 12px; color: var(--muted); font-size: 14px; }
input {
  width: 100%; margin-top: 5px; padding: 10px 12px; border-radius: 9px;
  border: 1px solid var(--border); background: var(--bg); color: var(--text); font-size: 15px;
}
input:focus { outline: none; border-color: var(--accent); }
.error { background: rgba(231,76,60,.15); border: 1px solid var(--red); color: #ffb3ab; padding: 10px 12px; border-radius: 9px; margin-bottom: 14px; }
.done { background: rgba(46,204,113,.12); border: 1px solid var(--green); color: #b6f0cd; padding: 10px 12px; border-radius: 9px; margin-bottom: 14px; }
.row { display: flex; gap: 10px; flex-wrap: wrap; }
.btn.danger { border-color: var(--red); color: #ffb3ab; }
.btn.danger:hover { border-color: var(--red); background: rgba(231,76,60,.12); }
.muted { color: var(--muted); }

.badge { padding: 2px 10px; border-radius: 999px; font-size: 13px; font-weight: 600; }
.badge.online { background: rgba(46,204,113,.15); color: var(--green); }
.badge.offline { background: rgba(139,147,163,.15); color: var(--muted); }

.keybox {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  background: var(--panel2); border: 1px dashed var(--border); border-radius: 10px;
  padding: 12px 14px; margin: 16px 0; flex-wrap: wrap;
}
.keybox code { color: var(--accent2); word-break: break-all; }

.howto { color: var(--muted); }
code { background: var(--panel2); padding: 2px 6px; border-radius: 6px; color: var(--accent2); }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 500; }

@media (max-width: 640px) {
  .steps { grid-template-columns: 1fr; }
  .hero h1 { font-size: 26px; }
}