.lm-theme-css-preview-cover{--tm-preview-segment-surface:var(--t-input,#f0f1f3);--tm-preview-segment-selected:var(--t-card,#fff);--tm-preview-segment-text:var(--t-text,#333);--tm-preview-segment-muted:var(--t-sub,#777);--tm-preview-segment-radius:8px;position:fixed;inset:0;z-index:100010;display:flex;align-items:center;justify-content:center;background:var(--lm-ui-overlay,rgba(0,0,0,.35));padding:max(8px,env(safe-area-inset-top)) 8px max(8px,env(safe-area-inset-bottom));box-sizing:border-box;color:var(--t-text,#222);font:inherit;letter-spacing:0}
.lm-theme-css-preview{width:min(100%,960px);height:100%;max-height:920px;min-height:0;background:var(--t-page,#fff);border-radius:var(--lm-app-radius-group,16px);overflow:hidden;display:flex;flex-direction:column;box-sizing:border-box}
.lm-theme-css-preview-head{display:grid;grid-template-columns:72px minmax(0,1fr) 72px;align-items:center;min-height:48px;padding:0 8px;border-bottom:1px solid var(--t-border,#ddd);flex-shrink:0}
.lm-theme-css-preview-head strong{text-align:center;font-size:16px;font-weight:600}
.lm-theme-css-preview-head button{border:0;background:transparent;color:inherit;padding:10px 6px;font:inherit;font-size:14px;text-align:left;cursor:pointer}
.lm-theme-css-preview-tools{padding:8px 14px;flex-shrink:0}
.lm-theme-css-preview-tools label{display:flex;align-items:center;gap:12px;font-size:13px}
.lm-theme-css-preview-tools select{flex:1;min-width:0;max-width:300px;min-height:34px;padding:5px 8px;border:1px solid var(--t-border,#ddd);border-radius:8px;background:var(--t-card,#fff);color:inherit;font:inherit;font-size:13px}
.lm-theme-css-preview-modes{display:flex;margin:0 14px 8px;padding:3px;gap:3px;border-radius:var(--tm-preview-segment-radius);background:var(--tm-preview-segment-surface);flex-shrink:0}
.lm-theme-css-preview-modes button{flex:1;min-width:0;min-height:36px;border:0;border-radius:calc(var(--tm-preview-segment-radius) - 2px);background:transparent;color:var(--tm-preview-segment-muted);font:inherit;font-size:13px;cursor:pointer}
.lm-theme-css-preview-modes button[aria-pressed="true"]{background:var(--tm-preview-segment-selected);color:var(--tm-preview-segment-text)}
.lm-theme-css-preview-modes button:disabled{opacity:var(--lm-ui-disabled-opacity,.46);cursor:default}
.lm-theme-css-preview-source{padding:0 14px;font-size:12px;line-height:1.5;overflow-wrap:anywhere;flex-shrink:0}
.lm-theme-css-preview-limit{margin:4px 14px 8px;font-size:11px;line-height:1.4;color:var(--t-sub,#777);flex-shrink:0}
.lm-theme-css-preview-frame{display:block;width:100%;min-height:0;flex:1 1 auto;border:0;background:var(--t-page,#fff)}
@media(max-height:420px){.lm-theme-css-preview-head{min-height:38px}.lm-theme-css-preview-tools{padding-top:4px;padding-bottom:4px}.lm-theme-css-preview-limit{margin-top:2px;margin-bottom:4px}}