:root{--primary: #0078d7;--primary-hover: #1a86d9;--dark: #1e1e1e;--darker: #141414;--light: #f0f0f0;--win-bg: rgba(255, 255, 255, .95);--shadow: 0 10px 30px rgba(0, 0, 0, .5);--text-dark: #333;--text-light: #ccc;--close-btn: #ff5f56;--min-btn: #ffbd2e;--max-btn: #27c93f;--taskbar-height: 45px;--icon-size: 80px;--transition-fast: .2s;--transition-normal: .3s}*{box-sizing:border-box;-webkit-user-select:none;user-select:none}body{margin:0;padding:0;overflow:hidden;font-family:Segoe UI,-apple-system,BlinkMacSystemFont,sans-serif;height:100vh;background:url(https://images.unsplash.com/photo-1477346611705-65d1883cee1e?auto=format&fit=crop&w=1920&q=80) center/cover no-repeat;transition:background var(--transition-normal)}.hidden{display:none!important}#desktop{padding:20px;display:flex;flex-direction:column;flex-wrap:wrap;height:calc(100vh - var(--taskbar-height));gap:15px;align-content:flex-start}#desktop.desktop-grid{display:grid;grid-template-rows:repeat(10,100px);grid-template-columns:repeat(8,100px);gap:10px;padding:10px;align-content:start;justify-content:start}.grid-cell{display:flex;align-items:center;justify-content:center;width:100px;height:100px;-webkit-user-select:none;user-select:none}.grid-cell.dragging{opacity:.4}.grid-cell.drag-over{background:#ffffff26;border-radius:8px}.grid-cell .icon{margin:0;width:auto}.icon{width:var(--icon-size);text-align:center;color:#fff;cursor:pointer;text-shadow:0 2px 4px rgba(0,0,0,.8);padding:10px;border-radius:5px;transition:background var(--transition-fast)}.icon:hover{background:#fff3}.icon:active{background:#ffffff4d}.icon-img{width:48px;height:48px;background:#fff;border-radius:10px;margin:0 auto 5px;display:flex;align-items:center;justify-content:center;font-size:24px;color:var(--text-dark);box-shadow:0 4px 6px #0000004d}.icon-img .icon-image{width:100%;height:100%;object-fit:contain;border-radius:10px}.icon-label{font-size:12px;word-wrap:break-word;line-height:1.3}#taskbar{position:fixed;bottom:0;left:0;right:0;height:var(--taskbar-height);background:#141414e6;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:flex;align-items:center;padding:0 10px;z-index:9999;border-top:1px solid #444}#start-btn{background:var(--primary);color:#fff;padding:8px 15px;border-radius:4px;font-weight:700;cursor:pointer;margin-right:15px;transition:background var(--transition-fast)}#start-btn:hover{background:var(--primary-hover)}#task-list{display:flex;flex:1;gap:5px;overflow-x:auto}.task-item{padding:5px 15px;background:#333;color:var(--text-light);border-radius:4px;font-size:12px;cursor:pointer;border-bottom:2px solid var(--primary);white-space:nowrap;transition:background var(--transition-fast)}.task-item:hover{background:#444}.task-item.active{background:#444;border-bottom-color:var(--max-btn)}.task-icon-image{width:20px;height:20px;object-fit:contain;vertical-align:middle}#system-tray{display:flex;align-items:center;gap:10px;margin-right:15px}.tray-item{padding:5px 10px;background:#333;color:var(--text-light);border-radius:4px;font-size:12px;cursor:pointer;position:relative;transition:background var(--transition-fast)}.tray-item:hover{background:#444}.language-menu{position:absolute;bottom:100%;right:0;background:#1e1e1ef2;border-radius:4px;box-shadow:var(--shadow);overflow:hidden;margin-bottom:5px;min-width:100px}.language-menu-item{padding:8px 15px;cursor:pointer;transition:background var(--transition-fast)}.language-menu-item:hover{background:#ffffff1a}.language-menu-item.active{background:var(--primary)}#clock{color:#fff;font-size:14px;min-width:60px;text-align:right}#start-menu{position:fixed;bottom:var(--taskbar-height);left:0;width:300px;background:#1e1e1ef2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:8px 8px 0 0;box-shadow:var(--shadow);z-index:9998;overflow:hidden}.start-menu-header{padding:15px;background:var(--primary);color:#fff;font-weight:700;font-size:18px}.start-menu-apps{padding:10px;max-height:400px;overflow-y:auto}.start-menu-item{display:flex;align-items:center;gap:10px;padding:10px;color:#fff;cursor:pointer;border-radius:4px;transition:background var(--transition-fast)}.start-menu-item:hover{background:#ffffff1a}.start-menu-item-icon{width:32px;height:32px;background:#fff;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:18px}.start-menu-icon-image{width:24px;height:24px;object-fit:contain;vertical-align:middle}.start-menu-item-label{font-size:14px}.start-menu-folder-container{width:100%}.start-menu-folder{position:relative}.start-menu-folder-arrow{margin-left:auto;font-size:10px;color:var(--text-light);transition:transform var(--transition-fast)}.start-menu-folder.expanded .start-menu-folder-arrow{transform:rotate(180deg)}.start-menu-folder-children{background:#0000001a;border-radius:4px;margin-top:2px}.start-menu-folder-children .start-menu-item{border-bottom:1px solid rgba(255,255,255,.05)}.start-menu-folder-children .start-menu-item:last-child{border-bottom:none}.window{position:absolute;background:var(--win-bg);border-radius:8px;box-shadow:var(--shadow);display:flex;flex-direction:column;min-width:300px;min-height:200px;resize:both;overflow:hidden;border:1px solid #ccc;animation:popIn var(--transition-fast) ease-out}@keyframes popIn{0%{transform:scale(.9);opacity:0}to{transform:scale(1);opacity:1}}.window.minimized{display:none}.window.maximized{width:100%!important;height:calc(100vh - var(--taskbar-height))!important;top:0!important;left:0!important;border-radius:0}.title-bar{background:#ddd;padding:8px 12px;display:flex;justify-content:space-between;align-items:center;cursor:grab;border-bottom:1px solid #ccc;flex-shrink:0}.title-bar:active{cursor:grabbing}.title-bar-title{font-size:13px;font-weight:500;color:var(--text-dark);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.controls{display:flex;gap:8px}.controls span{display:inline-block;width:12px;height:12px;border-radius:50%;cursor:pointer;transition:opacity var(--transition-fast)}.controls span:hover{opacity:.8}.close-btn{background:var(--close-btn)}.min-btn{background:var(--min-btn)}.max-btn{background:var(--max-btn)}.content{flex:1;padding:0;overflow:auto;position:relative;color:var(--text-dark);-webkit-user-select:text;user-select:text;background:#fff}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#f1f1f1}::-webkit-scrollbar-thumb{background:#888;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#555}.context-menu{position:fixed;background:#1e1e1ef2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:4px;box-shadow:var(--shadow);z-index:10000;min-width:150px;overflow:hidden}.context-menu-item{padding:8px 15px;color:#fff;cursor:pointer;font-size:13px;transition:background var(--transition-fast)}.context-menu-item:hover{background:#ffffff1a}.context-menu-divider{height:1px;background:#444;margin:5px 0}.screensaver-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;z-index:10000;background:#000;cursor:none}.screensaver-app .screensaver-selector:focus{outline:2px solid var(--primary);outline-offset:1px}.screensaver-app .screensaver-start-btn:active{background:#005a9e}