.history-bar{border:1px solid var(--line);border-radius:7px;background:#192332;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 18px;margin:0 0 18px}.history-bar p{margin:4px 0;font-size:12px;color:var(--muted)}.history-bar b{font-size:13px}.history-bar .actions{flex-shrink:0}#history-dialog{width:min(1120px,96vw);height:min(810px,92vh);padding:0;overflow:hidden}#history-dialog .dialog-head{padding:21px 24px 13px;border-bottom:1px solid var(--line);display:flex;gap:12px;justify-content:space-between;align-items:center}#history-dialog h2{margin:0 0 7px}#history-dialog .dialog-head p{margin:0;font-size:12px}.history-toolbar{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:12px 24px;flex-wrap:wrap}.history-toolbar p{font-size:12px;margin:0}.history-grid{display:grid;grid-template-columns:260px minmax(0,1fr);height:calc(100% - 184px);min-height:150px;border-top:1px solid var(--line)}#version-list{overflow:auto;padding:14px;border-right:1px solid var(--line)}.version-item{display:block;width:100%;text-align:left;margin-bottom:9px;padding:13px;background:#111923;overflow-wrap:anywhere}.version-item b,.version-item small,.version-kind{display:block}.version-item b{font-size:14px;margin:5px 0}.version-item small,.version-kind{font-size:11px;color:var(--muted)}.version-item.selected{border-color:var(--accent);background:#e7c67c0d}.version-item.selected b{color:var(--accent)}#version-detail{padding:24px;overflow:auto;min-width:0}#version-detail h3{margin:0 0 8px;font-size:21px;overflow-wrap:anywhere}#version-meta{font-size:12px}#version-memo{white-space:pre-wrap;overflow-wrap:anywhere;border-left:2px solid #786949;padding:8px 12px;font-size:13px}#diff-count{font-size:12px;color:var(--muted);margin:20px 0 10px}.diff-entry{margin:12px 0;border:1px solid var(--line);border-radius:5px;overflow:hidden}.diff-entry h4{margin:0;padding:10px 12px;background:#1f2938;font-size:12px;overflow-wrap:anywhere}.diff-columns{display:grid;grid-template-columns:1fr 1fr}.diff-columns>div{padding:12px;min-width:0}.diff-columns small{font-size:11px;color:var(--muted)}.diff-before{background:#432c2c40}.diff-after{background:#29453b40}.diff-columns pre{font:inherit;font-size:13px;line-height:1.7;white-space:pre-wrap;overflow-wrap:anywhere;margin:8px 0 0;max-height:250px;overflow:auto}#history-status{min-height:22px;margin:0;padding:5px 24px;font-size:12px;color:var(--accent)}#snapshot-memo{min-height:90px}#snapshot-error{color:var(--bad)}@media(max-width:700px){.history-bar{display:block;padding:14px}.history-bar .actions{margin-top:12px}.history-grid{grid-template-columns:1fr;height:calc(100% - 225px);overflow:auto;display:block}#version-list{display:flex;gap:8px;overflow-x:auto;border-right:0;border-bottom:1px solid var(--line)}.version-item{width:190px;flex:0 0 190px;margin:0}#version-detail{overflow:visible;padding:17px}.diff-columns{grid-template-columns:1fr}#history-dialog .dialog-head{padding:16px}.history-toolbar{padding:12px 16px}#history-dialog{height:92dvh}.history-toolbar p{width:100%}#history-status{padding:4px 16px;line-height:1.5}#history-dialog .dialog-head p{max-width:240px}}
.history-error{padding:12px 18px;border:1px solid #995f5f;background:#44262e;line-height:1.6;margin:12px;white-space:pre-wrap;overflow-wrap:anywhere}
#history-dialog[open]{display:flex;flex-direction:column}.history-grid{flex:1;min-height:0;height:auto}.dialog-head,.history-toolbar,#history-status{flex-shrink:0}
@media(max-width:700px){#history-dialog .history-grid{height:auto;flex:1;min-height:0;overflow:auto}#history-status{max-height:92px;overflow:auto}#history-dialog>.history-error{max-height:130px;overflow:auto;flex-shrink:0}}