:root {
  --bg: #07080d;
  --bg-2: #10131c;
  --card: rgba(255, 255, 255, 0.06);
  --card-border: rgba(255, 255, 255, 0.10);
  --text: #f4f5f8;
  --muted: #9aa1b2;
  --accent: #7c8cff;
  --accent-2: #45d4c4;
  --danger: #ff6b6b;
  --ok: #46d483;
  --radius: 18px;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  min-height: 100vh;
  background: radial-gradient(1200px 600px at 10% -10%, #26306b 0%, transparent 60%),
              radial-gradient(900px 500px at 110% 10%, #0f4f4a 0%, transparent 55%), var(--bg);
  color: var(--text);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
  padding: 24px 16px 48px;
}
main.card, .card {
  max-width: 560px;
  margin: 0 auto;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 28px 24px;
  backdrop-filter: blur(20px);
}
.brand { font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; font-size: 13px; color: var(--accent); margin-bottom: 18px; }
h1 { font-size: 26px; line-height: 1.2; margin: 0 0 10px; }
h2 { font-size: 18px; margin: 24px 0 10px; }
p { color: var(--muted); margin: 0 0 14px; }
strong { color: var(--text); }
button, .button {
  appearance: none; border: 0; border-radius: 12px; padding: 14px 20px; font: inherit; font-weight: 600;
  background: linear-gradient(135deg, var(--accent), #9b6bff); color: white; cursor: pointer; width: 100%;
}
button.secondary { background: rgba(255, 255, 255, 0.1); }
button:disabled { opacity: 0.5; cursor: default; }
input[type=text] {
  width: 100%; font: inherit; font-size: 24px; letter-spacing: 0.2em; text-align: center; text-transform: uppercase;
  padding: 14px; border-radius: 12px; border: 1px solid var(--card-border); background: rgba(0,0,0,0.3); color: var(--text);
  margin-bottom: 14px;
}
.agents { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin: 14px 0; }
.agent { border: 1px solid var(--card-border); border-radius: 14px; padding: 14px; background: rgba(255,255,255,0.03); cursor: pointer; text-align: left; color: var(--text); font-weight: 600; }
.agent small { display: block; color: var(--muted); font-weight: 400; font-size: 13px; }
.agent[aria-pressed=true] { border-color: var(--accent); background: rgba(124, 140, 255, 0.15); }
label.check { display: flex; gap: 10px; align-items: flex-start; color: var(--muted); margin: 10px 0 18px; font-size: 14px; }
.key { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 14px; word-break: break-all; background: rgba(0,0,0,0.4); padding: 14px; border-radius: 12px; border: 1px solid var(--card-border); }
pre { white-space: pre-wrap; word-break: break-all; background: rgba(0,0,0,0.4); padding: 14px; border-radius: 12px; font-size: 13px; border: 1px solid var(--card-border); }
ol { padding-left: 20px; color: var(--muted); }
ol li { margin-bottom: 10px; }
.status { display: flex; gap: 12px; align-items: center; color: var(--muted); }
.spinner { width: 18px; height: 18px; border-radius: 50%; border: 2px solid rgba(255,255,255,0.2); border-top-color: var(--accent); animation: spin 0.9s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.warning { color: #ffd479; font-size: 14px; }
.error { color: var(--danger); }
.ok { color: var(--ok); }
.row { display: flex; gap: 10px; }
.muted { color: var(--muted); font-size: 14px; }
footer { text-align: center; margin-top: 24px; font-size: 13px; color: var(--muted); }
footer a { color: var(--muted); }