:root {
  --bg: #0f1115;
  --card: #171a21;
  --line: #262b36;
  --text: #e6e8ec;
  --muted: #9aa3b2;
  --primary: #4f8cff;
  --primary-press: #3f76e0;
  --danger: #ff6b6b;
  --radius: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

.wrap { max-width: 720px; margin: 0 auto; padding: 24px 16px 48px; }

.topbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.brand { font-weight: 700; font-size: 1.1rem; }
.who { display: flex; align-items: center; gap: 12px; }
.email { color: var(--muted); font-size: .9rem; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; margin-bottom: 18px; }
.hero h1 { margin: 0 0 8px; font-size: 1.6rem; }
.hero p { margin: 0 0 20px; }

h2 { margin: 0 0 14px; font-size: 1.2rem; }

.muted { color: var(--muted); }
.small { font-size: .85rem; }
.mono, .devices .mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .9rem; }

.row { display: flex; gap: 10px; align-items: center; }
.row.between { justify-content: space-between; }

.btn {
  display: inline-block; cursor: pointer; text-decoration: none;
  border: 1px solid var(--line); background: #20242e; color: var(--text);
  padding: 9px 16px; border-radius: 10px; font-size: .95rem; font-weight: 600;
}
.btn:hover { border-color: #3a4250; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-press); border-color: var(--primary-press); }

.link { background: none; border: none; color: var(--primary); cursor: pointer; font: inherit; padding: 0; text-decoration: none; }
.link:hover { text-decoration: underline; }
.link.danger { color: var(--danger); }

.devices { width: 100%; border-collapse: collapse; margin: 8px 0 18px; }
.devices th { text-align: left; font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); padding: 6px 8px; border-bottom: 1px solid var(--line); }
.devices td { padding: 10px 8px; border-bottom: 1px solid var(--line); }
.devices .actions { display: flex; gap: 14px; align-items: center; justify-content: flex-end; }
.devices .actions form { display: inline; margin: 0; }

.addform { display: flex; gap: 10px; margin-top: 6px; }
.addform input { flex: 1; background: #0f1218; border: 1px solid var(--line); color: var(--text); border-radius: 10px; padding: 10px 12px; font: inherit; }
.addform input:focus { outline: none; border-color: var(--primary); }

.notice { background: #2a2030; border: 1px solid #4a3550; color: #f0d9ff; padding: 10px 14px; border-radius: 10px; }

.conf-grid { display: flex; gap: 20px; flex-wrap: wrap; align-items: flex-start; }
.qr img { background: #fff; padding: 8px; border-radius: 10px; display: block; }
.conf { flex: 1; min-width: 260px; }
.conf pre { background: #0f1218; border: 1px solid var(--line); border-radius: 10px; padding: 12px; overflow-x: auto; font-size: .82rem; max-height: 300px; }

.foot { text-align: center; margin-top: 24px; }