.demo-guardrails {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
}

.demo-trace {
    list-style: none;
    margin: 0;
    padding: 0;
    border: 1px solid var(--line);
    border-radius: 1rem;
    overflow: hidden;
    background: var(--panel);
}

.demo-trace li {
    display: grid;
    grid-template-columns: 3rem minmax(0, 1fr) auto;
    gap: 1rem;
    align-items: start;
    padding: 1.25rem 1.4rem;
    border-top: 1px solid var(--line);
}

.demo-trace li:first-child { border-top: 0; }
.demo-trace span { color: var(--accent); font-family: var(--font-mono); font-size: 0.78rem; }
.demo-trace strong { display: block; margin-bottom: 0.35rem; }
.demo-trace p { margin: 0; color: var(--muted); }
.demo-trace code {
    padding: 0.25rem 0.5rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--blue);
    background: var(--bg-soft);
    font-size: 0.72rem;
    white-space: nowrap;
}

@media (max-width: 980px) {
    .demo-guardrails { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
    .demo-guardrails { grid-template-columns: 1fr; }
    .demo-trace li { grid-template-columns: 2rem 1fr; }
    .demo-trace code { grid-column: 2; justify-self: start; }
}