:root {
  --bg: #0b1020;
  --card: #141c31;
  --text: #eef3ff;
  --muted: #9aa8c7;
  --accent: #3b9eff;
  --ok: #2ed573;
  --err: #ff4757;
  --border: rgba(255,255,255,0.08);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Segoe UI, system-ui, sans-serif;
  background: radial-gradient(circle at top, #15213f, var(--bg));
  color: var(--text);
  min-height: 100vh;
}

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px 20px 48px;
}

.hero h1 { margin: 0 0 8px; font-size: 2rem; }
.hero p { margin: 0; color: var(--muted); }
.legal { margin-top: 8px !important; font-size: 0.9rem; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  margin-top: 24px;
}

.card h2 { margin-top: 0; }

label {
  display: block;
  margin: 14px 0 6px;
  color: var(--muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

input, select, button {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #0f1628;
  color: var(--text);
  font-size: 1rem;
}

button {
  margin-top: 18px;
  background: linear-gradient(135deg, #4facfe, #3b9eff);
  border: none;
  font-weight: 700;
  cursor: pointer;
}

button.secondary {
  background: transparent;
  border: 1px solid var(--border);
}

.msg { min-height: 1.4em; margin-top: 12px; }
.msg.ok { color: var(--ok); }
.msg.err { color: var(--err); }

.hint { color: var(--muted); font-size: 0.95rem; }
.note {
  margin-top: 14px;
  padding: 12px;
  border-radius: 10px;
  white-space: pre-line;
  border: 1px solid var(--border);
  color: var(--muted);
}
.note.ok { border-color: rgba(46, 213, 115, 0.35); color: #c8ffd8; }
.note.err { border-color: rgba(255, 71, 87, 0.35); color: #ffd5d9; }

footer { margin-top: 28px; text-align: center; }
footer a { color: var(--accent); }

.hidden { display: none; }

.toolbar {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.toolbar h2 { flex: 1; margin: 0; }
.toolbar button { width: auto; margin-top: 0; padding: 8px 14px; }

.devices { margin-top: 16px; display: grid; gap: 12px; }

.device {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  background: rgba(0,0,0,0.15);
}

.device-id { font-family: monospace; font-size: 1.05rem; }
.device-meta { color: var(--muted); font-size: 0.9rem; margin-top: 6px; }
.actions-inline {
  margin-top: 12px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.actions-inline button {
  width: auto;
  margin-top: 0;
  padding: 6px 10px;
}
.grid-2 {
  display: grid;
  gap: 14px;
}

@media (min-width: 700px) {
  .wrap { max-width: 920px; }
  .grid-2 { grid-template-columns: 1fr 1fr; }
}