.lead { color: var(--text-2); max-width: 66ch; line-height: 1.55; }
.rs-seg { display: inline-flex; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; margin: 14px 0; }
.rs-seg button { border: 0; background: var(--surface); padding: 7px 14px; font: inherit; cursor: pointer; color: var(--text-2); }
.rs-seg button.on { background: var(--accent); color: var(--on-accent); }
.rs-seg button + button { border-left: 1px solid var(--line); }
section[data-panel] { display: grid; gap: 12px; margin-bottom: 14px; }
section[data-panel] textarea, section[data-panel] input { font-family: var(--mono); font-size: .84rem; }
.rs-check { display: flex; align-items: center; gap: 8px; font-size: .86rem; }
.rs-actions { display: flex; gap: 16px; margin-bottom: 10px; }
.rs-out { overflow-x: auto; background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px; font-family: var(--mono); font-size: .82rem; white-space: pre; min-height: 120px; }