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0;inline-size:min(20rem,90vw);z-index:var(--z-rail);box-shadow:var(--shadow-lg);display:block;position:fixed;inset-inline-start:0}}@media (width<=48rem){.shell__header{grid-template-columns:minmax(0,1fr) auto}.shell__status{display:none}.stream__inner,.stage__inner,.composer{padding-inline:var(--space-4)}}.preset{gap:var(--space-8);flex-direction:column;display:flex}.preset__hero{gap:var(--space-3);border-block-end:.0625rem solid 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var(--line-hairline);border-radius:var(--radius-sm);padding:var(--space-3);margin:0;overflow-x:auto}.dev{background:var(--surface-page);min-block-size:100dvh}.dev__header{max-inline-size:78rem;padding:var(--space-10) var(--space-6) var(--space-8);border-block-end:.0625rem solid var(--line-hairline);margin-inline:auto}.dev__layout{gap:var(--space-8);max-inline-size:78rem;padding:0 var(--space-6);grid-template-columns:minmax(0,1fr) 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var(--space-12));flex-direction:column;display:flex;position:sticky;inset-block-start:var(--space-6);overflow-y:auto}.dev__toc-list{flex-direction:column;gap:.0625rem;margin-block-end:var(--space-3);list-style:none;display:flex}.dev__toc-link{text-align:start;inline-size:100%;font-size:var(--text-xs);color:var(--ink-2);padding:.125rem var(--space-2);border-radius:var(--radius-xs);display:block}.dev__toc-link:hover{background:var(--surface-hover);color:var(--accent-ink)}.dev__body{padding-block:var(--space-6) var(--space-16);gap:var(--space-12);flex-direction:column;min-inline-size:0;display:flex}.dev__section{gap:var(--space-4);flex-direction:column;scroll-margin-block-start:var(--space-6);display:flex}.dev__section-head{gap:var(--space-1);border-block-end:.0625rem solid var(--line-hairline);flex-direction:column;padding-block-end:var(--space-3);display:flex}.dev__section-title{font-size:var(--text-xl);font-family:var(--font-mono);font-weight:var(--weight-semibold)}.dev__section-note{font-size:var(--text-sm);color:var(--ink-3);line-height:var(--leading-snug);max-inline-size:var(--measure)}.dev__section-body{gap:var(--space-6);flex-direction:column;display:flex}.dev__preset-picker{gap:var(--space-2);flex-wrap:wrap;display:flex}.dev__preset-stage{border:.0625rem solid var(--line-hairline);border-radius:var(--radius-lg);background:var(--surface-page);padding:var(--space-8) var(--space-6);box-shadow:var(--shadow-sm)}@media (width<=60rem){.dev__layout{grid-template-columns:minmax(0,1fr)}.dev__toc{order:-1;max-block-size:none;position:static}}