.presentation-workspace{min-width:0;min-height:0;overflow:hidden;display:grid;background:var(--bg);transition:grid-template-columns .16s ease,grid-template-rows .16s ease}
.slide-panel{min-width:0;min-height:0;background:var(--chrome);border-color:var(--line);overflow:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;transition:opacity .14s ease}.slide-panel-inner{display:flex;gap:var(--thumb-gap);padding:10px}.slide-thumb{flex:none;border:1px solid var(--line);border-radius:10px;background:transparent;padding:7px;cursor:pointer;color:inherit;text-align:left}.slide-thumb.active{border-color:var(--accent);background:var(--accent-soft);box-shadow:0 0 0 1px color-mix(in srgb,var(--accent) 30%,transparent)}.thumb-paper{position:relative;aspect-ratio:16/9;background:#fff;border:1px solid #c9c9c9;box-shadow:0 2px 6px rgba(0,0,0,.12);overflow:hidden;color:#1c1c1c}.thumb-text{position:absolute;overflow:hidden;white-space:pre-wrap;line-height:1.12}.thumb-index{display:block;margin-top:5px;text-align:center;color:var(--muted);font-size:10px;font-variant-numeric:tabular-nums}
.content-viewport{min-width:0;min-height:0;overflow:auto;overscroll-behavior:contain;background:color-mix(in srgb,var(--bg) 85%,#000 15%);padding:var(--content-y) var(--content-x);-webkit-overflow-scrolling:touch;scrollbar-gutter:stable both-edges}.slide-stage{position:relative;min-width:100%;min-height:100%}.slide-shell{position:absolute;left:0;top:0}.slide-canvas{position:absolute;left:0;top:0;transform-origin:0 0;background:var(--paper);color:var(--paper-text);box-shadow:0 5px 22px rgba(0,0,0,.25);overflow:hidden;isolation:isolate}.slide-textbox{position:absolute;overflow:hidden;white-space:pre-wrap;word-break:normal;line-height:1.12;padding:2px;outline:0;cursor:text}.slide-textbox.selected{outline:2px solid var(--accent);outline-offset:1px}.slide-textbox:focus{outline:2px solid var(--accent);outline-offset:1px}.empty-state{position:absolute;inset:0;display:grid;place-items:center;padding:24px;pointer-events:none;text-align:center;color:var(--muted)}.empty-card{max-width:420px}.empty-card img{width:68px;height:68px;border-radius:16px}.empty-card h1{margin:12px 0 6px;font-size:22px}.empty-card p{margin:0;font-size:13px;line-height:1.5}.empty-card .support-note{margin-top:7px;font-size:11px}
@media(orientation:landscape){.presentation-workspace{grid-template-columns:var(--rail-w) minmax(0,1fr);grid-template-rows:minmax(0,1fr)}.presentation-workspace[data-panel-open="false"]{grid-template-columns:0 minmax(0,1fr)}.slide-panel{grid-column:1;grid-row:1;border-right:1px solid var(--line);overflow-y:auto;overflow-x:hidden}.presentation-workspace[data-panel-open="false"] .slide-panel{opacity:0;pointer-events:none}.slide-panel-inner{flex-direction:column;width:100%}.slide-thumb{width:100%}.content-viewport{grid-column:2;grid-row:1}}
@media(orientation:portrait){.presentation-workspace{grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(0,1fr) var(--strip-h)}.presentation-workspace[data-panel-open="false"]{grid-template-rows:minmax(0,1fr) 0}.slide-panel{grid-column:1;grid-row:2;border-top:1px solid var(--line);overflow-x:auto;overflow-y:hidden}.presentation-workspace[data-panel-open="false"] .slide-panel{opacity:0;pointer-events:none}.slide-panel-inner{flex-direction:row;height:100%;align-items:center}.slide-thumb{height:calc(100% - 2px);width:auto;min-width:138px}.thumb-paper{height:calc(100% - 23px);width:auto}.content-viewport{grid-column:1;grid-row:1}}
@media(orientation:portrait) and (max-width:480px){:root{--strip-h:112px}.slide-thumb{min-width:126px;padding:6px}.slide-panel-inner{padding:7px;gap:7px}}
@media(orientation:landscape) and (max-height:420px){:root{--rail-w:126px}.slide-panel-inner{padding:7px}.slide-thumb{padding:5px}.thumb-index{margin-top:3px}}
@media(prefers-reduced-motion:reduce){.presentation-workspace,.slide-panel{transition:none}}
/* R2 fidelity renderer */
.slide-textbox{box-sizing:border-box;display:flex;overflow:hidden;white-space:normal;word-break:normal;outline:0;cursor:text}.rich-text-content{width:100%;min-height:1em;outline:0;white-space:pre-wrap;overflow:hidden}.slide-paragraph{min-height:1em;margin:0;white-space:pre-wrap}.slide-bullet{display:inline}.slide-image,.slide-shape{position:absolute;box-sizing:border-box;overflow:hidden;pointer-events:none}.slide-image img{position:absolute;max-width:none;max-height:none;object-fit:fill;user-select:none;-webkit-user-drag:none}.slide-textbox.selected,.slide-textbox:focus-within{outline:2px solid var(--accent);outline-offset:1px}.slide-canvas{font-family:Arial,Helvetica,sans-serif}