:root {
  --bg: #0b1020;
  --card: #121a33;
  --text: #e8ecff;
  --muted: #a6b0d6;
  --border: rgba(255, 255, 255, 0.12);
  --accent: #7aa2ff;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Hiragino Sans", "Noto Sans JP", sans-serif;
  background: radial-gradient(1200px 800px at 20% -10%, rgba(122, 162, 255, 0.25), transparent 60%),
    radial-gradient(900px 700px at 100% 0%, rgba(156, 255, 199, 0.10), transparent 55%),
    var(--bg);
  color: var(--text);
}

.wrap { max-width: 980px; margin: 0 auto; padding: 16px; }
h1 { margin: 0 0 6px; font-size: 26px; }
h2 { margin: 0 0 10px; font-size: 18px; }
.sub { margin: 0; color: var(--muted); }
.muted { color: var(--muted); margin: 8px 0; }

.card {
  border: 1px solid var(--border);
  background: rgba(18, 26, 51, 0.85);
  border-radius: 12px;
  padding: 14px;
  margin: 14px 0;
}

.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
@media (max-width: 700px) { .grid { grid-template-columns: 1fr; } }

label { display: grid; gap: 6px; color: var(--muted); }
input, select, button {
  font: inherit;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.20);
  color: var(--text);
}
button {
  cursor: pointer;
  background: linear-gradient(180deg, rgba(122, 162, 255, 0.35), rgba(122, 162, 255, 0.15));
  border-color: rgba(122, 162, 255, 0.55);
}
button.secondary {
  background: rgba(0, 0, 0, 0.18);
  border-color: var(--border);
}
button:disabled { opacity: 0.6; cursor: not-allowed; }

.mono {
  white-space: pre-wrap;
  word-break: break-word;
  background: rgba(0, 0, 0, 0.28);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
  margin: 10px 0 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 12px;
  color: #dbe2ff;
}
.log { max-height: 280px; overflow: auto; }

.kv { display: grid; gap: 8px; margin-top: 10px; }
.links a { color: var(--accent); }
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; border: 1px solid var(--border); color: var(--muted); }