:root {
  --bg: #0b0c10;
  --panel: #14161c;
  --ink: #f3f1ec;
  --muted: #9aa0aa;
  --accent: #ff6a54;
  --line: rgba(255, 255, 255, 0.08);
  --good: #3dd68c;
  --bad: #ff6b6b;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}
.wrap { max-width: 640px; margin: 0 auto; padding: 48px 20px 80px; }
header { display: flex; align-items: center; justify-content: space-between; }
h1 { font-size: 26px; margin: 0; }
.sub { color: var(--muted); margin: 6px 0 28px; }
.status { font-size: 12px; padding: 3px 10px; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); }
.status.ok { color: var(--good); border-color: rgba(61, 214, 140, 0.4); }
.status.err { color: var(--bad); border-color: rgba(255, 107, 107, 0.4); }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 20px; margin-bottom: 18px; }
h2 { font-size: 15px; margin: 0 0 12px; font-weight: 600; }
.row { display: flex; gap: 8px; }
input {
  flex: 1; padding: 10px 12px; border-radius: 9px; border: 1px solid var(--line);
  background: #0e1015; color: var(--ink); font-size: 14px;
}
input:focus { outline: none; border-color: var(--accent); }
button {
  padding: 10px 16px; border-radius: 9px; border: none; cursor: pointer;
  background: var(--accent); color: #1a0d09; font-weight: 600; font-size: 14px;
}
button:hover { background: #ed5238; }
button:disabled { opacity: 0.5; cursor: default; }
.out { margin-top: 14px; color: var(--ink); white-space: pre-wrap; min-height: 4px; }
ul.out { padding-left: 18px; }
ul.out li { margin: 4px 0; }
.out.muted { color: var(--muted); }
footer { color: var(--muted); font-size: 12px; text-align: center; margin-top: 32px; }