:root {
  --bg: #0b121d;
  --surface: #0f1726;
  --surface2: #0b1322;
  --border: #2a3441;
  --muted: #9aa7b7;
}
.builder-app {
  background: var(--bg);
  color: #e6eef7;
  font:
    16px/1.6 system-ui,
    -apple-system,
    Segoe UI,
    Roboto,
    Inter,
    Arial,
    sans-serif;
  padding-bottom: 2.5rem;
}
.builder-app__back,
.builder-app__content {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1rem;
}
.builder-app__back {
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}
.builder-app a {
  color: inherit;
}
.builder-app .wrap {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}
@media (min-width: 1100px) {
  .builder-app .wrap {
    grid-template-columns: 1.1fr 1fr;
  }
}
.builder-app .panel {
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  background: var(--surface);
  padding: 1rem;
  margin: 0;
}
.builder-app h2 {
  margin: 1.4rem 0 0.75rem;
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}
.builder-app .panel > h2:first-of-type {
  margin-top: 0;
}
.builder-app .muted {
  color: var(--muted);
}
.builder-app .row {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  align-items: center;
  margin: 0.5rem 0;
}
.builder-app label {
  font-size: 0.92rem;
}
.builder-app input[type="text"],
.builder-app input[type="password"],
.builder-app select {
  min-width: 220px;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  background: var(--surface2);
  color: #e6eef7;
  padding: 0.45rem 0.55rem;
}
.builder-app .btn {
  display: inline-block;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  padding: 0.45rem 0.65rem;
  background: transparent;
  color: inherit;
  text-decoration: none;
  cursor: pointer;
}
.builder-app .btn:hover,
.builder-app .btn:focus {
  background: rgba(255, 255, 255, 0.06);
  outline: none;
}
.builder-app .tabs {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin: 0.4rem 0;
}
.builder-app .tabs button {
  border: 1px solid var(--border);
  background: transparent;
  color: inherit;
  border-radius: 0.5rem;
  padding: 0.35rem 0.6rem;
  cursor: pointer;
}
.builder-app .tabs button.active {
  background: rgba(255, 255, 255, 0.06);
  font-weight: 600;
}
.builder-app details {
  border: 1px solid var(--border);
  border-radius: 0.6rem;
  background: var(--surface2);
  padding: 0.6rem;
  margin: 0.6rem 0;
}
.builder-app details summary {
  cursor: pointer;
  font-weight: 600;
}
.builder-app pre {
  margin: 0.4rem 0 0;
  border: 1px solid var(--border);
  border-radius: 0.6rem;
  background: var(--surface2);
  padding: 0.65rem;
  overflow: auto;
}
.builder-app code {
  font:
    13px/1.45 ui-monospace,
    SFMono-Regular,
    Menlo,
    Consolas,
    monospace;
}
.builder-app .copy {
  float: right;
}
.builder-app .two {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}
@media (min-width: 860px) {
  .builder-app .two {
    grid-template-columns: 1fr 1fr;
  }
}
.builder-app .hint {
  border-left: 4px solid #2563eb;
  background: #071427;
  padding: 0.6rem;
  border-radius: 0.25rem;
  margin: 0.5rem 0;
}