.reader-stage{display:block;padding:104px 18px 112px}.teacher-audio{position:absolute;top:12px;left:50%;width:min(900px,calc(100% - 32px));max-width:none;min-height:78px;transform:translateX(-50%);display:grid;grid-template-columns:minmax(190px,1.4fr) auto auto minmax(140px,1fr);align-items:center;gap:10px;padding:12px 16px}.teacher-audio label{min-width:0}.teacher-audio input{width:100%;min-width:0}.teacher-audio button{white-space:nowrap}.teacher-audio #folderStatus{overflow:hidden;text-overflow:ellipsis}.teacher-audio small{grid-column:4;max-width:none}.reader-slide{width:min(100%,1450px);height:100%;max-height:calc(100vh - 216px);margin:auto;aspect-ratio:auto;border-radius:12px}.reader-slide>img{object-fit:contain}.reader-toolbar{left:16px;right:16px;bottom:12px;width:auto;max-width:none;min-height:84px;display:flex;justify-content:center;align-content:center;flex-wrap:wrap;gap:7px;padding:10px 12px;border-radius:18px;transform:none}.reader-toolbar button{padding:8px 12px;white-space:nowrap}.reader-toolbar .volume-control{min-height:38px}.reader-toolbar #recordStatus{max-width:180px}.reader-toolbar #counter{white-space:nowrap}.story-caption{bottom:3%;font-size:clamp(15px,1.6vw,25px)}
@media(max-width:1050px){.reader-stage{padding-top:118px;padding-bottom:138px}.teacher-audio{grid-template-columns:minmax(170px,1fr) auto auto}.teacher-audio #folderStatus{grid-column:1/3}.teacher-audio small{grid-column:3;grid-row:2}.reader-slide{max-height:calc(100vh - 256px)}.reader-toolbar{min-height:112px}.reader-toolbar #recordStatus{flex-basis:180px}}
@media(max-width:700px){.reader-stage{padding:154px 8px 174px}.teacher-audio{top:6px;width:calc(100% - 12px);grid-template-columns:1fr auto;padding:9px}.teacher-audio #folderStatus{grid-column:1/3}.teacher-audio small{display:block;grid-column:1/3;grid-row:auto}.reader-slide{max-height:calc(100vh - 328px)}.reader-toolbar{left:6px;right:6px;bottom:6px;min-height:158px;padding:7px}.reader-toolbar button{padding:7px 9px}.volume-control input{width:62px}.story-caption{left:3%;right:3%;padding:10px 12px}}