.sector4-editor {display:grid;gap:.65rem;min-width:0;margin-block:1rem}
.sector4-editor:empty {display:none}
.sector4-editor button {justify-self:start}
.sector4-builtins {margin-block:1rem}
.sector4-builtins a {display:inline-flex;flex-direction:column;align-items:center;width:7rem;margin:.5rem;vertical-align:top}
.sector4-builtins img {width:6rem;height:5rem;object-fit:contain}
.sector4-preview {margin:1rem 0;min-width:0}
.sector4-preview :is(img,video,audio) {display:block;max-width:100%;max-height:19rem}
.sector4-preview p {white-space:pre-wrap;overflow-wrap:anywhere}
.sector4-editor :is(input,select,textarea) {max-width:100%;min-width:0}