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button{min-height:44px}.reader-epub-controls label{flex:1;min-width:130px;min-height:44px}.reader-epub-controls select{width:100%;font-size:16px}.reader-epub-controls .reader-read-aloud span{display:none}@media(min-width:640px){.reader-preview-dialog,.reader-focus-page{padding:12px}.reader-toolbar-history{display:block}.reader-preview-header h2,.reader-focus-header h1{font-size:18px}.reader-epub-controls .reader-read-aloud span{display:inline}}@media(min-width:1100px){.reader-workspace-layout{grid-template-columns:minmax(0,1fr) 300px;grid-template-rows:minmax(0,1fr);gap:12px}.reader-workspace-layout:has(>.reader-tools-collapsed){grid-template-columns:minmax(0,1fr) auto}.reader-workspace{gap:10px}}@media(max-height:540px){.reader-focus-header p,.reader-preview-header p{display:none}.reader-focus-header h1,.reader-preview-header h2{font-size:14px;-webkit-line-clamp:1}.reader-workspace,.reader-workspace-layout{gap:4px}.reader-tools-dock>button{min-height:36px}}