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20px);position:relative;overflow:hidden}.window{background:var(--mac-white);border:var(--mac-border) solid var(--mac-black);position:absolute;min-width:200px;min-height:150px;display:flex;flex-direction:column;box-shadow:4px 4px #0000004d}.window-title-bar{background:var(--mac-white);border-bottom:2px solid var(--mac-black);height:24px;display:flex;align-items:center;padding:0 6px;cursor:move;position:relative;gap:6px}.window-title-bar:before{content:"";position:absolute;inset:0 6px 0 28px;background-image:repeating-linear-gradient(0deg,transparent,transparent 1px,var(--mac-black) 1px,var(--mac-black) 2px);background-size:100% 3px;background-position:0 50%;pointer-events:none}.window-title{position:relative;z-index:1;background:var(--mac-white);padding:0 8px;margin:0 auto;text-align:center;font-weight:700;font-size:12px;border-left:2px dotted var(--mac-black);border-right:2px dotted var(--mac-black)}.window-close{width:14px;height:14px;border:2px solid var(--mac-black);background:var(--mac-white);cursor:pointer;position:relative;z-index:2;flex-shrink:0}.window-close:active{background:var(--mac-black)}.window-content{flex:1;padding:12px;overflow:hidden;background:var(--mac-white);display:flex;flex-direction:column}.slide-content{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;overflow:hidden}.desktop-icon{position:absolute;width:92px;text-align:center;cursor:pointer;padding:0}.desktop-icon:hover .icon-label,.desktop-icon.selected .icon-label{background:var(--mac-black);color:var(--mac-white)}.icon-image{width:73.6px;height:55.2px;margin:0 auto 6.9px;border:none;display:flex;align-items:center;justify-content:center;font-size:46px}.icon-image img{width:100%;height:100%;image-rendering:pixelated;image-rendering:-moz-crisp-edges;image-rendering:crisp-edges}.desktop-icon.selected .icon-label{background:var(--mac-black);color:var(--mac-white)}.icon-label{font-size:13.8px;padding:2.3px 4.6px;word-wrap:break-word;line-height:1.3;font-weight:700}.mac-button{background:var(--mac-white);border:var(--mac-border) solid var(--mac-black);padding:4px 12px;cursor:pointer;font-family:Chicago,monospace;font-size:12px;min-width:60px}.mac-button:active{background:var(--mac-black);color:var(--mac-white)}.mac-button.default{border-width:3px}.dialog{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:var(--mac-white);border:var(--mac-border) solid var(--mac-black);padding:12px;z-index:2000;box-shadow:4px 4px #0000004d;min-width:300px}.dialog-content{margin-bottom:12px;text-align:center}.dialog-buttons{display:flex;justify-content:center;gap:8px}.timer{position:fixed;bottom:20px;right:20px;background:var(--mac-white);border:var(--mac-border) solid var(--mac-black);padding:8px 12px;font-family:Chicago,monospace;font-size:14px;z-index:1500}.progress-bar{width:100%;height:12px;border:1px solid var(--mac-black);background:var(--mac-white);position:relative;margin:8px 0}.progress-fill{height:100%;background:var(--mac-black);transition:width .3s ease}.slide-content h1{font-size:18px;margin-bottom:12px;border-bottom:2px solid var(--mac-black);padding-bottom:4px}.slide-content h2{font-size:14px;margin:12px 0 8px}.slide-content p{margin-bottom:8px;line-height:1.4}.slide-content ul,.slide-content ol{margin-left:20px;margin-bottom:8px}.slide-content li{margin-bottom:4px}.slide-content code{background:var(--mac-gray);padding:1px 4px;border:1px solid var(--mac-black);font-family:Monaco,Courier,monospace;font-size:11px}.slide-content pre{background:var(--mac-white);border:2px solid var(--mac-black);padding:8px;overflow-x:auto;margin:8px 0;font-family:Monaco,Courier,monospace;font-size:11px}.slide-content img{max-width:100%;border:2px solid var(--mac-black);margin:8px 0;image-rendering:pixelated}::-webkit-scrollbar{width:16px;height:16px}::-webkit-scrollbar-track{background:var(--mac-white);border-left:1px solid var(--mac-black)}::-webkit-scrollbar-thumb{background:var(--mac-white);border:1px solid var(--mac-black)}::-webkit-scrollbar-corner{background:var(--mac-white)}.no-select{user-select:none;-webkit-user-select:none}.pixelated{image-rendering:pixelated;image-rendering:crisp-edges}