/* Only exact, reviewed body units selected by per-song profiles receive this transient class.
   Original blank spans already supply stanza gaps. Credits and all other songs are untouched. */
body.st30i-scope .st30i-main .stc-version .st21-unit.st30i-flow-body{margin-top:0!important}

/* 30J.6: verified flow units and explicit blank lines. Outside-column extras keep their own CSS. */
body.st30i-scope .st30i-main .stc-version .st21-unit.st30i-flow-boundary{margin-top:0!important}
body.st30i-scope .st30i-main .stc-version .st21-unit+.st21-unit.st30i-separated-boundary{margin-top:var(--st30i-stanza-gap)!important}