:root {
  --bg: #0b0e13;
  --card: #11161f;
  --muted: #a7b1c2;
  --txt: #e9edf5;
  --line: #1d2531;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: radial-gradient(1200px 600px at 20% -10%, #0f1624 0%, #0b0e13 60%),
    var(--bg);
  color: var(--txt);
  font: 16px/1.45 Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial,
    sans-serif;
}

.wrap {
  max-width: 1100px;
  margin: 32px auto;
  padding: 0 16px;
}
h1 {
  font-size: 28px;
  margin: 0 0 8px;
}
p.sub {
  color: var(--muted);
  margin: 0 0 24px;
}

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 960px) {
  .grid {
    grid-template-columns: 1fr;
  }
}

.card {
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.02),
    rgba(255, 255, 255, 0)
  );
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}
.section {
  padding: 18px 18px 6px;
  border-bottom: 1px solid var(--line);
}
.section:last-child {
  border-bottom: none;
  padding-bottom: 18px;
}

.row {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 14px;
  align-items: center;
  margin: 10px 0;
}
.row.onecol {
  grid-template-columns: 1fr;
}
@media (max-width: 720px) {
  .row {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

label {
  color: var(--muted);
  font-size: 13px;
}
input[type="text"],
input[type="number"],
textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  background: #0c121a;
  color: var(--txt);
  border-radius: 10px;
  outline: none;
}
input[type="checkbox"] {
  transform: translateY(1px);
}
textarea {
  min-height: 220px;
  resize: vertical;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
}

.hint {
  color: var(--muted);
  font-size: 12px;
  margin-top: 6px;
}
.divider {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 10px 0 0;
}

.bar {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: flex-end;
  padding: 12px 16px;
  border-top: 1px solid var(--line);
}

button {
  cursor: pointer;
  border: none;
  border-radius: 10px;
  padding: 10px 14px;
  background: #182235;
  color: #d6ecff;
  border: 1px solid #244166;
  font-weight: 600;
}
button.primary {
  background: linear-gradient(180deg, #1d6fd8, #144a91);
  border-color: #22529b;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: #b7c7dd;
  background: #0f1520;
  border: 1px solid var(--line);
  padding: 6px 9px;
  border-radius: 999px;
}

code.k {
  background: #0f1520;
  border: 1px solid var(--line);
  padding: 2px 6px;
  border-radius: 6px;
}

.rule {
  margin-bottom: 8px;
}