.rf-tools {
  display: grid;
  gap: 18px;
  min-width: 0;
}

.rf-tools__header {
  max-width: 860px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--paper-line);
}

.rf-tools__header h2 {
  max-width: 760px;
  margin: 0;
  color: var(--paper-ink);
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.05;
  letter-spacing: 0;
}

.rf-tools__header p:not(.eyebrow) {
  max-width: 720px;
  margin: 14px 0 0;
  color: var(--paper-copy);
  font-size: 16px;
  line-height: 1.62;
}

.rf-tools__tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  min-width: 0;
}

.rf-tools__tab {
  min-width: 0;
  min-height: 74px;
  display: grid;
  gap: 4px;
  align-content: center;
  justify-items: start;
  padding: 14px;
  border: 1px solid var(--paper-line);
  border-radius: var(--radius);
  background: var(--paper-raised);
  color: var(--paper-copy);
  text-align: left;
}

.rf-tools__tab span {
  color: var(--paper-muted);
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
}

.rf-tools__tab strong {
  color: var(--paper-ink);
  font-size: 17px;
}

.rf-tools__tab.is-active {
  border-color: #8cbab3;
  background: #e6f4f0;
}

.rf-tools__tab.is-active span,
.rf-tools__tab.is-active strong {
  color: #166f67;
}

.rf-tools__panel {
  min-height: 360px;
  min-width: 0;
}

.rf-tools__module {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 0.38fr);
  gap: 18px;
  align-items: stretch;
  min-height: 320px;
  padding: 18px;
  border: 1px solid var(--paper-line);
  border-radius: var(--radius);
  background: var(--paper-raised);
  min-width: 0;
}

.rf-tools__module-copy {
  display: grid;
  align-content: start;
  gap: 10px;
}

.rf-tools__module-copy h3 {
  margin: 0;
  color: var(--paper-ink);
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1.08;
}

.rf-tools__module-copy p:not(.eyebrow) {
  max-width: 620px;
  margin: 0;
  color: var(--paper-copy);
  font-size: 16px;
  line-height: 1.55;
}

.rf-tools__module-state {
  display: grid;
  align-content: center;
  gap: 8px;
  padding: 16px;
  border: 1px solid #b8d8d2;
  border-radius: var(--radius);
  background: #e6f4f0;
}

.rf-tools__module-state span {
  color: #166f67;
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.rf-tools__module-state strong {
  color: #123f3b;
  font-size: 18px;
  line-height: 1.25;
}

@media (max-width: 920px) {
  .rf-tools__tabs,
  .rf-tools__module {
    grid-template-columns: 1fr;
  }
}