:root {
  color-scheme: light dark;
  --bg: #0f1419;
  --fg: #e7ecf1;
  --muted: #8b98a5;
  --accent: #1d9bf0;
  --card: #1a222b;
  --err: #f4212e;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100dvh;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.5;
  padding: 1.25rem;
}

main {
  max-width: 28rem;
  margin: 0 auto;
  padding: 1.5rem 0;
}

.desktop-hub a {
  color: var(--accent);
  font-weight: 600;
  word-break: break-all;
}

.desktop-hub a:hover {
  text-decoration: underline;
}

h1 {
  font-size: 1.35rem;
  font-weight: 650;
  margin: 0 0 0.75rem;
}

.brand {
  font-weight: 650;
  font-size: 1.15rem;
  margin: 0 0 1rem;
  color: var(--fg);
}

.btn-xl {
  margin-top: 0;
  padding: 1rem 1.25rem;
  font-size: 1.1rem;
}

.status-msg {
  color: var(--muted);
  font-size: 0.95rem;
  min-height: 1.35em;
  margin: 0.75rem 0 0;
}

.status-msg.err {
  color: var(--err);
}

p {
  margin: 0 0 1rem;
  color: var(--muted);
}

.card {
  background: var(--card);
  border-radius: 12px;
  padding: 1.25rem;
  margin-top: 1rem;
}

button,
.btn {
  display: inline-block;
  width: 100%;
  text-align: center;
  padding: 0.85rem 1rem;
  border-radius: 999px;
  border: none;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  margin-top: 0.5rem;
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.err {
  color: var(--err);
  font-size: 0.95rem;
}

code {
  font-size: 0.95em;
  background: rgba(255, 255, 255, 0.08);
  padding: 0.15em 0.4em;
  border-radius: 6px;
  word-break: break-all;
}

.config-missing {
  border: 1px dashed var(--muted);
  padding: 1rem;
  border-radius: 8px;
  font-size: 0.9rem;
}