:root {
  --ink: #07080c;
  --surface: #151822;
  --surface-2: #1e2230;
  --line: #2a2f3f;
  --text: #f4f5f8;
  --text-2: #b4b9c8;
  --text-3: #8a90a3;
  --crimson: #ec265a;
  --amber: #ffb020;
  --ok: #4ade80;
  --danger: #ff6b6b;
  --prism: linear-gradient(90deg, var(--crimson), var(--amber));
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--ink); color: var(--text); }
body { font: 500 17px/1.5 'Barlow', system-ui, sans-serif; min-height: 100vh; background: radial-gradient(900px 600px at -10% -20%, rgba(236, 38, 90, 0.16), transparent 60%), var(--ink); }
[hidden] { display: none !important; }
.wrap { max-width: 640px; margin: 0 auto; padding: 28px 16px 48px; display: flex; flex-direction: column; gap: 20px; }
.brand { display: flex; align-items: center; gap: 14px; }
.brand h1 { margin: 0; font: 700 34px/1 'Barlow Condensed', sans-serif; letter-spacing: 0.01em; }
.brand p { margin: 2px 0 0; color: var(--text-2); }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 22px; display: flex; flex-direction: column; gap: 14px; }
.card + .card { margin-top: 16px; }
h2 { margin: 0; font: 700 24px/1.2 'Barlow Condensed', sans-serif; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.tag { font: 700 13px/1 'Barlow', sans-serif; padding: 5px 8px; border-radius: 6px; background: var(--surface-2); color: var(--text-2); letter-spacing: 0.02em; }
.tag--amber { background: var(--amber); color: var(--ink); }
.muted { color: var(--text-2); margin: 0; }
small.muted { font-size: 14px; color: var(--text-3); }
label { display: flex; flex-direction: column; gap: 6px; font-weight: 600; color: var(--text-2); font-size: 15px; }
input { font: 600 17px 'Barlow', sans-serif; color: var(--text); background: var(--ink); border: 2px solid var(--line); border-radius: 10px; padding: 12px 14px; width: 100%; }
input:focus { outline: none; border-color: var(--amber); }
input::placeholder { color: var(--text-3); font-weight: 500; }
#mac, #key { font-variant-numeric: tabular-nums; letter-spacing: 0.06em; text-transform: uppercase; }
.btn { font: 700 17px 'Barlow', sans-serif; border: 0; border-radius: 12px; padding: 14px 22px; cursor: pointer; }
.btn--primary { background: var(--prism); color: var(--ink); }
.btn--primary:disabled { opacity: 0.6; cursor: wait; }
.btn--ghost { background: transparent; color: var(--text-2); border: 2px solid var(--line); }
.btn:focus-visible, .link:focus-visible { outline: 3px solid #fff; outline-offset: 2px; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 18px; }
.actions .btn--primary { flex: 1; min-width: 180px; }
.error { color: var(--danger); font-weight: 600; margin: 0; min-height: 1.5em; }
.status { color: var(--ok); font-weight: 600; margin: 12px 0 0; min-height: 1.5em; }
.device { display: flex; align-items: center; gap: 10px; padding: 12px 16px; border-radius: 12px; background: var(--surface-2); margin-bottom: 16px; flex-wrap: wrap; }
.device strong { font-variant-numeric: tabular-nums; letter-spacing: 0.04em; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 4px rgba(74, 222, 128, 0.18); }
.link { margin-left: auto; background: none; border: 0; color: var(--amber); font: 700 15px 'Barlow', sans-serif; cursor: pointer; padding: 4px; }
footer { font-size: 14px; text-align: center; color: var(--text-3); }