:root {
  color-scheme: dark;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  line-height: 1.5;
  --bg: #0b0f14;
  --card: #141b24;
  --border: #263244;
  --text: #e8eef5;
  --muted: #8fa0b3;
  --accent: #3b82f6;
  --warn-bg: #2a2214;
  --warn-border: #5c4a1f;
  --warn-text: #f5d98a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

.wrap {
  width: min(720px, 100%);
  margin: 0 auto;
  padding: 0 20px;
}

header {
  border-bottom: 1px solid var(--border);
  background: #0e141c;
  padding: 20px 0;
  margin-bottom: 24px;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}

h1 {
  margin: 0;
  font-size: 1.5rem;
}

.tagline {
  margin: 4px 0 0;
  color: var(--muted);
}

.gh-link {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.9rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 16px;
}

.card.warn {
  background: var(--warn-bg);
  border-color: var(--warn-border);
  color: var(--warn-text);
  font-size: 0.9rem;
}

.section-title {
  margin: 0 0 12px;
  font-size: 1rem;
}

.row { margin-bottom: 12px; }

label {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 4px;
}

input, select, textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 1rem;
}

textarea {
  min-height: 72px;
  font-family: ui-monospace, monospace;
  font-size: 0.85rem;
}

.btn {
  width: 100%;
  border: 0;
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  margin-top: 8px;
}

.btn.primary { background: var(--accent); color: white; }
.btn.secondary { background: #243041; color: var(--text); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.status {
  margin-top: 16px;
  padding: 12px;
  border-radius: 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  font-size: 0.9rem;
  white-space: pre-wrap;
}

.muted { color: var(--muted); font-size: 0.9rem; }
.mono { font-family: ui-monospace, monospace; }
.links a { color: var(--accent); }

.row.two-col {
  display: grid;
  grid-template-columns: 1fr 120px;
  gap: 12px;
}

@media (max-width: 520px) {
  .row.two-col { grid-template-columns: 1fr; }
}

  padding: 24px 20px 40px;
  color: var(--muted);
  font-size: 0.85rem;
  text-align: center;
}

code {
  font-family: ui-monospace, monospace;
  font-size: 0.85em;
}