/* Sources section. Theme-safe surface and accent. */
.section--tint{background:rgba(128,128,128,.06);border-block:1px solid var(--line, rgba(128,128,128,.35))}
.refs__lede{color:var(--muted, currentColor);max-width:70ch}
.refs{margin:0 0 18px;padding-left:1.25em;display:grid;gap:9px}
.refs li{color:var(--muted, currentColor);font-size:.9rem;line-height:1.5}
.refs li a{color:var(--aqua, var(--azure, var(--violet-2, currentColor)));text-decoration:underline;text-underline-offset:3px}
.refs li span{white-space:nowrap}
.refs__note{color:var(--muted, currentColor);font-size:.82rem;max-width:75ch;margin:0}

/* mobile overflow fix: grid items default to min-width:auto, so long citation
   titles pushed the page wider than the viewport at 375px */
.refs{min-width:0}
.refs li{min-width:0;overflow-wrap:anywhere}
.refs li span{white-space:normal}