.rf-tool {
  display: grid;
  gap: 1.25rem;
}

.rf-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-items: center;
}

.rf-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.rf-meta strong {
  color: var(--navy);
}

.rf-boards {
  display: grid;
  gap: 1rem;
}

@media (min-width: 960px) {
  .rf-boards {
    grid-template-columns: 1.35fr 0.85fr;
  }
}

.rf-board {
  background: #0b1410;
  border: 1px solid #24352c;
  border-radius: 12px;
  padding: 0.75rem;
  overflow: auto;
}

.rf-board h3 {
  color: #d7ece0;
  margin: 0 0 0.55rem;
  font-size: 0.95rem;
}

.rf-board canvas {
  display: block;
  max-width: 100%;
  background: #0d1a12;
  border-radius: 6px;
}

.rf-editor textarea {
  width: 100%;
  min-height: 220px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.85rem;
  line-height: 1.4;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.75rem;
  background: #0f1720;
  color: #e8eef5;
}

.rf-msg {
  margin: 0.5rem 0 0;
  padding: 0.65rem 0.8rem;
  border-radius: 8px;
  font-size: 0.92rem;
}

.rf-msg[data-kind="err"] {
  background: rgba(163, 59, 59, 0.12);
  color: #8a2f2f;
}

.rf-msg[data-kind="ok"] {
  background: rgba(31, 107, 69, 0.12);
  color: #1f6b45;
}

.rf-builder-row {
  display: grid;
  gap: 0.45rem;
  grid-template-columns: repeat(auto-fit, minmax(7rem, 1fr));
  align-items: end;
  padding: 0.75rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--white);
  margin-bottom: 0.55rem;
}

.rf-builder-row label {
  display: grid;
  gap: 0.25rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--navy);
}

.rf-builder-row input,
.rf-builder-row select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.45rem 0.5rem;
  font: inherit;
}

.rf-free-badge {
  display: inline-block;
  margin-bottom: 0.55rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: rgba(31, 107, 69, 0.14);
  color: #1f6b45;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

#rf-java-request .panel {
  max-width: 52rem;
}

#rf-java-request .grid-2 {
  margin-bottom: 0.35rem;
}