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var(--app-green)}.voice-hint{margin-left:auto;color:#ffffff80;font-size:13px}.avatar-controls{display:none}@media(max-width:900px){.presentation-content{grid-template-columns:1fr}.presenter-avatar{max-height:200px;aspect-ratio:16/9}.header-controls{flex-wrap:wrap;gap:8px}.control-btn{padding:8px 12px;font-size:13px}.transcript-window{height:150px}.slide-body{padding:32px}.slide-title{font-size:28px}.slide-paragraph{font-size:17px}}.slide-nav-controls,.nav-btn,.slide-counter,.speech-speed-control{display:none}.pptx-viewer-container{width:100%;height:100%;position:relative;background:#000;border-radius:12px;overflow:hidden}.pptx-preview-container{background:var(--app-white)}.pptx-preview-container img{visibility:visible!important;opacity:1!important}.pptx-preview-container svg{visibility:visible!important}.pptx-loading{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;gap:16px;color:var(--app-gray)}.pptx-error{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);text-align:center;color:var(--app-red)}.pptx-error small{display:block;margin-top:8px;color:var(--app-gray);font-size:13px}.pptx-slide-indicator{position:absolute;bottom:16px;right:16px;background:#0009;color:#fff;padding:6px 12px;border-radius:6px;font-size:13px;font-weight:500}