:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#f7f7f7;background:#101010;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}html,body,#root{min-height:100%;margin:0}body{min-width:320px;background:#101010}button,input,textarea{font:inherit}button{-webkit-tap-highlight-color:transparent}.shell{min-height:100dvh;width:min(100%,920px);margin:0 auto;padding:max(20px,env(safe-area-inset-top)) 20px max(24px,env(safe-area-inset-bottom))}.home-shell{display:grid;align-content:center;gap:34px}.brand-panel{text-align:center}.logo-mark{width:72px;height:72px;margin:0 auto 16px;border-radius:22px;display:grid;place-items:center;background:#f7f7f7;color:#111;font-size:2rem;font-weight:800}.brand-panel h1{margin:0;font-size:clamp(2.3rem,10vw,4.4rem);letter-spacing:-.05em}.brand-panel p{margin:10px 0 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auto}.presentation-topbar,.viewer-topbar{z-index:4;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:max(10px,env(safe-area-inset-top)) max(14px,env(safe-area-inset-right)) 10px max(14px,env(safe-area-inset-left));background:#0c0c0ceb;border-bottom:1px solid #222}.presentation-topbar>div{display:grid;gap:2px;min-width:0}.presentation-topbar strong,.viewer-topbar strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.presentation-topbar span,.viewer-topbar span{color:#aaa;font-size:.82rem}.viewer-topbar{align-items:baseline}.small-button{border:1px solid #3a3a3a;border-radius:12px;background:#1d1d1d;color:#fff;padding:9px 12px;cursor:pointer}.media-stage{position:relative;min-height:0;display:grid;place-items:center;overflow:hidden;touch-action:pinch-zoom}.empty-stage{padding:28px;text-align:center;color:#b7b7b7}.empty-stage h2{color:#f5f5f5;margin:10px 0 4px}.empty-stage p{margin:0 0 20px}.empty-icon{display:block;font-size:3rem;opacity:.7}.stage-image,.stage-video{width:100%;height:100%;object-fit:contain;transform-origin:center;-webkit-user-select:none;user-select:none}.stage-video{background:#000}.zoomable{touch-action:pinch-zoom;-webkit-user-drag:none}.editable-media{cursor:pointer}.caption-bar{position:absolute;left:0;right:0;z-index:3;padding:14px 18px;color:#fff;text-align:center;font-size:clamp(.95rem,3vw,1.15rem);pointer-events:none}.caption-top{top:0;background:linear-gradient(rgba(0,0,0,.82),rgba(0,0,0,.42),transparent);padding-top:18px;padding-bottom:34px}.media-edit-toolbar{position:absolute;z-index:8;left:50%;bottom:94px;transform:translate(-50%);display:flex;flex-wrap:wrap;justify-content:center;gap:8px;width:min(calc(100% - 32px),520px);padding:10px;border-radius:18px;background:#101010e6;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);box-shadow:0 8px 28px #00000061}.media-edit-toolbar button{min-height:44px;border:1px solid #4a4a4a;border-radius:12px;background:#252525;color:#fff;padding:9px 13px;font-weight:700}.media-edit-toolbar .edit-done{background:#f2f2f2;color:#111;border-color:#f2f2f2}.presenter-controls{z-index:4;display:flex;gap:8px;overflow-x:auto;padding:10px max(12px,env(safe-area-inset-right)) max(10px,env(safe-area-inset-bottom)) max(12px,env(safe-area-inset-left));background:#0c0c0cf0;border-top:1px solid #222;scrollbar-width:none}.presenter-controls::-webkit-scrollbar{display:none}.control-pill{flex:0 0 auto;border:1px solid #383838;border-radius:999px;background:#1b1b1b;color:#ddd;padding:10px 14px;cursor:pointer}.control-pill.active{background:#efefef;color:#111;border-color:#efefef}.edge-arrow{position:absolute;z-index:5;top:50%;transform:translateY(-50%);width:52px;height:86px;border:0;background:#00000040;color:#ffffffeb;font-size:3rem;line-height:1;cursor:pointer}.edge-arrow:disabled{opacity:.2;pointer-events:none}.edge-arrow.left{left:0;border-radius:0 18px 18px 0}.edge-arrow.right{right:0;border-radius:18px 0 0 18px}.comment-fab{position:absolute;z-index:6;right:max(16px,env(safe-area-inset-right));bottom:max(18px,env(safe-area-inset-bottom));width:52px;height:52px;border:1px solid #4b4b4b;border-radius:50%;background:#141414cc;color:#fff;font-size:1.35rem;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);cursor:pointer}.thumb-strip{position:absolute;z-index:6;left:0;right:0;bottom:62px;display:flex;gap:8px;overflow-x:auto;padding:8px 12px;background:#0000008c;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.thumb{position:relative;flex:0 0 86px;height:62px;border:2px solid transparent;border-radius:10px;overflow:hidden;padding:0;background:#111}.thumb.selected{border-color:#fff}.thumb 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50px #0000004d}.comments-panel>header{display:flex;justify-content:space-between;align-items:center;padding:max(14px,env(safe-area-inset-top)) 16px 14px;border-bottom:1px solid #333}.comments-panel>header>div{display:flex;align-items:center;gap:8px}.comments-panel>header span{color:#999;font-size:.85rem}.comments-panel>header button{border:0;background:transparent;color:#fff;font-size:2rem}.comments-list{overflow-y:auto;padding:12px 14px 30px}.comments-empty{color:#999}.comment-item{padding:12px;border-radius:14px;background:#ffffff0f;margin-bottom:10px}.comment-item>div{display:flex;justify-content:space-between;gap:12px}.comment-item time{color:#888;font-size:.75rem}.comment-item p{margin:7px 0 0;line-height:1.4;overflow-wrap:anywhere}.comment-item button{margin-top:8px;border:0;background:transparent;color:#bbb;padding:0;text-decoration:underline}.comment-form{padding:12px max(12px,env(safe-area-inset-right)) max(12px,env(safe-area-inset-bottom)) 12px;border-top:1px solid #333;display:grid;gap:8px}.comment-form .primary{min-height:44px}.comment-form small{color:#bbb}@media(min-width:700px){.home-shell{grid-template-columns:1.15fr .85fr;align-items:center;min-height:100dvh}.brand-panel{text-align:left}.logo-mark{margin-left:0}.action-stack{max-width:360px;justify-self:end;width:100%}}@media(orientation:landscape)and (max-height:560px){.shell{padding-top:14px;padding-bottom:14px}.home-shell{grid-template-columns:1fr 1fr;gap:28px}.brand-panel{text-align:left}.logo-mark{width:52px;height:52px;border-radius:16px;margin-left:0;margin-bottom:10px}.brand-panel h1{font-size:2.5rem}.card{padding:18px}.presentation-topbar,.viewer-topbar{padding-top:8px;padding-bottom:8px}.presenter-controls{padding-top:7px;padding-bottom:max(7px,env(safe-area-inset-bottom))}.thumb-strip{bottom:56px}.media-edit-toolbar{bottom:82px}}