:root {
  --bg: #0f1210;
  --card: #1a1f1c;
  --ink: #e8ebe6;
  --muted: #9aa39a;
  --accent: #c4f061;
  --line: #2a322c;
  --warn: #f0c56e;
  font-family: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: radial-gradient(1200px 600px at 10% -10%, #1c2a18, var(--bg));
  color: var(--ink);
  min-height: 100vh;
}
.wrap { max-width: 720px; margin: 0 auto; padding: 2.5rem 1.25rem 4rem; }
.eyebrow { color: var(--accent); text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.75rem; margin: 0 0 0.5rem; }
h1 { font-size: 2.1rem; margin: 0 0 0.5rem; letter-spacing: -0.02em; }
.lede { color: var(--muted); margin: 0 0 1.75rem; line-height: 1.5; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.25rem 1.35rem;
  margin-bottom: 1rem;
}
h2 { font-size: 1rem; margin: 0 0 1rem; }
label { display: block; font-size: 0.85rem; color: var(--muted); margin-bottom: 0.85rem; }
input[type="text"], input:not([type]) {
  display: block; width: 100%; margin-top: 0.35rem;
  background: #101411; border: 1px solid var(--line); color: var(--ink);
  border-radius: 8px; padding: 0.65rem 0.75rem; font-size: 1rem;
}
.hint { color: var(--muted); font-size: 0.85rem; line-height: 1.45; margin: -0.25rem 0 1rem; }
.hint code { color: var(--warn); }
.devices { display: grid; gap: 0.45rem; }
.device {
  display: flex; gap: 0.75rem; align-items: flex-start;
  padding: 0.65rem 0.75rem; border-radius: 10px; border: 1px solid var(--line);
  background: #121612;
}
.device input { margin-top: 0.2rem; }
.device strong { display: block; color: var(--ink); font-size: 0.95rem; }
.device span { color: var(--muted); font-size: 0.8rem; }
.device.locked { opacity: 0.75; }
button {
  background: var(--accent); color: #13200a; border: 0; border-radius: 999px;
  padding: 0.8rem 1.4rem; font-size: 1rem; font-weight: 600; cursor: pointer;
}
button:disabled { opacity: 0.5; cursor: wait; }
.status { min-height: 1.4em; color: var(--muted); font-size: 0.9rem; margin: 0.75rem 0 0; }
footer { color: var(--muted); font-size: 0.8rem; line-height: 1.45; margin-top: 1.5rem; }
footer p { margin: 0; }