:root {
  --bg: #0f1419;
  --card: #161d25;
  --line: #243040;
  --text: #e8eef5;
  --muted: #8fa0b3;
  --a: #2fd3b5;
  --b: #3a9fd8;
  --err: #ff6b6b;
}
* { box-sizing: border-box; }
html { color-scheme: dark; }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg) radial-gradient(900px 420px at 50% -120px, rgba(47, 211, 181, 0.13), transparent 70%) no-repeat;
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 520px; margin: 0 auto; padding: 28px 16px 40px; display: flex; flex-direction: column; gap: 16px; }
.logo { display: block; margin: 8px auto 12px; width: 232px; max-width: 70%; height: auto; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 22px 20px; }
.eyebrow { margin: 0 0 4px; font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--a); font-weight: 600; }
h1 { margin: 0; font-size: 26px; line-height: 1.2; }
h2 { margin: 0 0 6px; font-size: 18px; }
.channel { margin: 6px 0 0; font-size: 18px; color: var(--text); word-break: break-word; }
.muted { color: var(--muted); margin: 0 0 14px; }
.small { font-size: 14px; }
.status { margin: 12px 0 0; color: var(--muted); font-size: 14px; min-height: 1.4em; }
.status.ok { color: var(--a); }
.status.bad { color: var(--err); }
.error { margin: 16px 0 0; padding: 12px 14px; border-radius: 10px; background: rgba(255, 107, 107, 0.1); border: 1px solid rgba(255, 107, 107, 0.45); color: #ffb3b3; }
#open-box { margin-top: 18px; }

.btn {
  display: block; width: 100%; text-align: center; text-decoration: none; cursor: pointer;
  border: 0; border-radius: 12px; padding: 15px 18px; font: inherit; font-weight: 700; font-size: 17px;
}
.btn.primary { color: #06231f; background: linear-gradient(90deg, var(--a), var(--b)); box-shadow: 0 6px 22px rgba(47, 211, 181, 0.25); }
.btn.primary:hover { filter: brightness(1.07); }
.btn.primary[disabled] { filter: grayscale(0.6) brightness(0.8); cursor: progress; box-shadow: none; }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--line); font-size: 15px; font-weight: 600; padding: 11px 14px; }
.btn.ghost:hover { border-color: var(--a); }
.btn:focus-visible { outline: 3px solid var(--b); outline-offset: 2px; }

.code-box { margin-top: 18px; padding: 14px; border: 1px dashed var(--line); border-radius: 12px; display: grid; gap: 10px; }
.code-box .label { font-size: 12px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); }
.code-box code { font: 600 20px/1.2 ui-monospace, "Cascadia Mono", Consolas, monospace; letter-spacing: 0.04em; word-break: break-all; user-select: all; }

.progress { margin-top: 14px; height: 10px; border-radius: 99px; background: #0b1016; border: 1px solid var(--line); overflow: hidden; }
.bar { height: 100%; width: 0; background: linear-gradient(90deg, var(--a), var(--b)); transition: width 0.15s linear; }
.steps { margin: 18px 0 16px; padding-left: 20px; color: var(--muted); font-size: 14.5px; }
.steps li { margin-bottom: 8px; }
.steps strong { color: var(--text); font-weight: 600; }
.foot { text-align: center; color: #5d6c7d; font-size: 12px; margin: 4px 0 0; }
[hidden] { display: none !important; }

@media (max-width: 380px) {
  h1 { font-size: 22px; }
  .code-box code { font-size: 17px; }
}
@media (prefers-reduced-motion: reduce) { .bar { transition: none; } }
.status:empty { display: none; }