:root{--desktop-blue:#8ebbe8;--sky-top:#b9d8fa;--sky-bottom:#e6f0fa;--glass:#f0f6fdc7;--glass-active:#f6faffe0;--glass-inactive:#e6eef8ad;--glass-border:#ffffffa6;--glass-border-subtle:#ffffff59;--glass-highlight:#ffffffd9;--glass-shadow:0 16px 40px #0c1c3629, 0 4px 12px #0c1c3614;--glass-shadow-active:0 24px 56px #0a183238, 0 8px 20px #0a18321f;--taskbar-bg:#121e30c2;--taskbar-border:#ffffff29;--taskbar-item-bg:#ffffff1a;--taskbar-item-hover:#ffffff2e;--taskbar-item-active:#ffffff3d;--text-primary:#1a2738;--text-secondary:#485c74;--text-muted:#72849a;--text-light:#f4f8fc;--text-light-sub:#b2c5dc;--accent:#2e7cd6;--accent-light:#4895f0;--accent-subtle:#2e7cd61f;--selection-bg:#4895f047;--selection-border:#2e7cd6a6;--radius-window:10px;--radius-sm:4px;--radius-md:6px;--radius-lg:8px;--font-system:"Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial, sans-serif;--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Courier New", 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#fffc;flex-direction:column;width:90%;max-width:480px;transition:transform .2s cubic-bezier(.16,1,.3,1);display:flex;overflow:hidden;transform:scale(.95);box-shadow:0 20px 60px #00000040}.modal-overlay.open .modal-dialog{transform:scale(1)}.modal-header{background:linear-gradient(#f8fafd 0%,#e8f0fa 100%);border-bottom:1px solid #d2e0f0;justify-content:space-between;align-items:center;height:38px;padding:0 14px;display:flex}.modal-title{color:var(--text-primary);font-size:12.5px;font-weight:600}.modal-body{color:var(--text-secondary);flex-direction:column;gap:14px;padding:24px;font-size:13px;display:flex}.modal-footer{background:#f6f9fc;border-top:1px solid #e5edf5;justify-content:flex-end;align-items:center;gap:8px;padding:10px 16px;display:flex}.modal-btn{cursor:pointer;color:var(--text-primary);background:#fff;border:1px solid #cbd5e1;border-radius:4px;padding:6px 14px;font-size:12px;font-weight:500;transition:all .12s}.modal-btn:hover{background:#f1f5f9}.modal-btn-primary{background:var(--accent);color:#fff;border-color:#2563eb}.modal-btn-primary:hover{background:#1d4ed8}#taskbar{height:var(--taskbar-height);background:var(--taskbar-bg);border-top:1px solid var(--taskbar-border);-webkit-backdrop-filter:blur(24px);z-index:1000;justify-content:space-between;align-items:center;padding:0 10px;display:flex;position:absolute;bottom:0;left:0;right:0;box-shadow:0 -2px 12px #0000002e}.taskbar-start-btn{border-radius:var(--radius-sm);color:#fff;cursor:pointer;background:#ffffff14;border:1px solid #ffffff2e;outline:none;align-items:center;gap:8px;height:32px;padding:4px 12px 4px 8px;transition:all .15s;display:flex}.taskbar-start-btn:hover{background:#fff3;border-color:#ffffff59;box-shadow:0 0 12px #4e9ef466}.taskbar-start-btn.open{background:#ffffff42;border-color:#ffffff73}.start-icon-quad{grid-template-columns:1fr 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#60a5fa}.taskbar-tab-icon{object-fit:contain;flex-shrink:0;width:16px;height:16px}.taskbar-tab-title{text-overflow:ellipsis;white-space:nowrap;font-size:11.5px;overflow:hidden}.taskbar-system-tray{color:#e2e8f0;flex-shrink:0;align-items:center;gap:12px;height:100%;padding:0 6px 0 12px;display:flex}.tray-icon-item{color:#cbd5e1;cursor:default;border-radius:var(--radius-sm);background:0 0;border:1px solid #0000;outline:none;justify-content:center;align-items:center;padding:3px 5px;transition:color .15s,background .15s,border-color .15s;display:flex}.tray-icon-item:hover{color:#fff}button.tray-icon-item{cursor:pointer}button.tray-overflow-btn:hover,button.tray-overflow-btn.open{color:#fff;background:#ffffff2e;border-color:#ffffff52}.tray-overflow-popup{right:68px;bottom:calc(var(--taskbar-height) + 8px);border-radius:var(--radius-window);-webkit-backdrop-filter:blur(24px);z-index:1060;opacity:0;pointer-events:none;background:#142030eb;border:1px solid #ffffff52;flex-direction:column;width:250px;transition:opacity .18s,transform .18s cubic-bezier(.16,1,.3,1);display:flex;position:absolute;overflow:hidden;transform:translateY(10px)scale(.96);box-shadow:0 16px 36px #0000006b}.tray-overflow-popup.open{opacity:1;pointer-events:auto;transform:translateY(0)scale(1)}.tray-overflow-header{color:#94a3b8;background:#ffffff14;border-bottom:1px solid #ffffff1f;justify-content:space-between;align-items:center;height:32px;padding:0 12px;font-size:11px;font-weight:500;display:flex}.tray-overflow-title{color:#e2e8f0;font-weight:600}.tray-overflow-close{color:#94a3b8;cursor:pointer;background:0 0;border:none;border-radius:2px;padding:2px 4px;font-size:16px;line-height:1}.tray-overflow-close:hover{color:#fff;background:#ffffff26}.tray-overflow-grid{flex-direction:column;gap:3px;padding:8px 6px;display:flex}.tray-overflow-item{cursor:pointer;-webkit-user-select:none;user-select:none;border:1px solid #0000;border-radius:4px;align-items:center;gap:10px;padding:6px 8px;transition:all .12s;display:flex}.tray-overflow-item:hover{background:#ffffff26;border-color:#ffffff38}.tray-popup-icon-wrap{flex-shrink:0;justify-content:center;align-items:center;width:22px;height:22px;display:flex}.tray-popup-icon-wrap svg{width:17px;height:17px}.tray-popup-text{flex-direction:column;gap:1px;display:flex;overflow:hidden}.tray-item-title{color:#f1f5f9;white-space:nowrap;text-overflow:ellipsis;font-size:11.5px;font-weight:500;overflow:hidden}.tray-item-sub{color:#94a3b8;white-space:nowrap;text-overflow:ellipsis;font-size:10px;overflow:hidden}.tray-overflow-footer{background:#0003;border-top:1px solid #ffffff14;padding:6px 10px}.tray-customize-btn{color:#93c5fd;cursor:pointer;text-align:left;text-underline-offset:2px;background:0 0;border:none;outline:none;padding:2px 0;font-size:10.5px;text-decoration:underline}.tray-customize-btn:hover{color:#bfdbfe}.tray-icon-item svg{width:15px;height:15px}.tray-clock-widget{cursor:default;border-radius:var(--radius-sm);flex-direction:column;justify-content:center;align-items:flex-end;padding:2px 6px;line-height:1.15;transition:background .15s;display:flex}.tray-clock-widget:hover{background:#ffffff1a}.clock-time{color:#fff;letter-spacing:.2px;font-size:11.5px;font-weight:600}.clock-date{color:#cbd5e1;font-size:10px}#start-menu{left:10px;bottom:calc(var(--taskbar-height) + 8px);border-radius:var(--radius-window);-webkit-backdrop-filter:blur(24px);z-index:1050;opacity:0;pointer-events:none;background:#18263ae0;border:1px solid #ffffff47;flex-direction:column;width:290px;transition:opacity .18s,transform .18s cubic-bezier(.16,1,.3,1);display:flex;position:absolute;overflow:hidden;transform:translateY(12px)scale(.97);box-shadow:0 16px 40px #00000059}#start-menu.open{opacity:1;pointer-events:auto;transform:translateY(0)scale(1)}.start-menu-header{background:#ffffff0f;border-bottom:1px solid #ffffff24;align-items:center;gap:12px;padding:14px 16px;display:flex}.start-avatar{border-radius:var(--radius-md);background:#1e293b;border:1px solid #ffffff59;flex-shrink:0;width:40px;height:40px;overflow:hidden}.start-avatar img{object-fit:cover;width:100%;height:100%}.start-user-info{flex-direction:column;gap:2px;display:flex}.start-user-name{color:#fff;font-size:13.5px;font-weight:600}.start-user-desc{color:#93c5fd;font-size:11px}.start-menu-items{flex-direction:column;gap:2px;max-height:380px;padding:8px 6px;display:flex;overflow-y:auto}.start-item{border-radius:var(--radius-sm);color:#f1f5f9;cursor:pointer;border:1px solid #0000;align-items:center;gap:10px;padding:8px 10px;font-size:12px;transition:all .12s;display:flex}.start-item:hover{color:#fff;background:#ffffff24;border-color:#fff3}.start-item-icon{object-fit:contain;flex-shrink:0;width:22px;height:22px}.start-menu-footer{background:#0c142099;border-top:1px solid #ffffff1f;justify-content:space-between;align-items:center;padding:8px 12px;display:flex}.start-footer-btn{border-radius:var(--radius-sm);color:#cbd5e1;cursor:pointer;background:0 0;border:1px solid #0000;align-items:center;gap:6px;padding:5px 8px;font-size:11.5px;transition:all .12s;display:flex}.start-footer-btn:hover{color:#fff;background:#ffffff1f}.start-footer-btn svg{width:14px;height:14px}#context-menu{border-radius:var(--radius-md);-webkit-backdrop-filter:blur(16px);z-index:2000;background:#fffffff0;border:1px solid #bed2e6d9;flex-direction:column;min-width:160px;padding:5px;font-size:12px;display:none;position:fixed;box-shadow:0 8px 24px #0c1c362e}.context-menu-item{cursor:pointer;color:var(--text-primary);border-radius:4px;justify-content:space-between;align-items:center;padding:6px 10px;transition:background .12s;display:flex}.context-menu-item:hover{color:var(--accent);background:#2e7cd61f}.context-menu-item.disabled{color:var(--text-muted);cursor:default}.context-menu-item.disabled:hover{color:var(--text-muted);background:0 0}.context-divider{background:#e2e8f0;height:1px;margin:4px 2px}.win-resize-handle{pointer-events:auto;position:absolute}.win-resize-r{cursor:e-resize;width:6px;top:0;bottom:0;right:0}.win-resize-b{cursor:s-resize;height:6px;bottom:0;left:0;right:0}.win-resize-br{cursor:se-resize;width:12px;height:12px;bottom:0;right:0}::-webkit-scrollbar{width:7px;height:7px}::-webkit-scrollbar-track{background:#00000008}::-webkit-scrollbar-thumb{background:#8ca5c380;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#6487afbf}@media (width<=900px){.user-identity-badge{padding:6px 10px 6px 6px;top:12px;left:14px}.user-avatar-frame{width:32px;height:32px}.desktop-icons-column{gap:8px;width:72px;top:76px;left:14px}.desktop-icon-img-wrap{width:38px;height:38px}.desktop-icon-label{font-size:10.5px}.explorer-sidebar{width:130px}}.extra-container{background:#fff;flex-direction:column;flex:1;height:100%;display:flex;overflow:hidden}.extra-banner{background:linear-gradient(#f0f6ff 0%,#e6f0fa 100%);border-bottom:1px solid #cfe0f2;flex-shrink:0;justify-content:space-between;align-items:center;gap:16px;padding:14px 20px;display:flex}.extra-banner-left{align-items:center;gap:12px;display:flex}.extra-banner-icon{flex-shrink:0;width:36px;height:36px}.extra-banner-title{color:var(--text-primary);margin-bottom:2px;font-size:13.5px;font-weight:600}.extra-banner-desc{color:var(--text-secondary);font-size:11.5px}.extra-import-btn{color:#fff;cursor:pointer;white-space:nowrap;background:linear-gradient(#3b82f6 0%,#2563eb 100%);border:1px solid 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20px;display:grid;overflow-y:auto}.extra-file-card{border-radius:var(--radius-md);cursor:pointer;-webkit-user-select:none;user-select:none;text-align:center;background:#fff;border:1px solid #0000;flex-direction:column;align-items:center;padding:12px 8px;transition:all .12s;display:flex}.extra-file-card:hover{background:#e0eeffb3;border-color:#93c5fdcc;box-shadow:0 2px 8px #0000000a}.extra-file-card.selected{background:var(--selection-bg);border-color:var(--selection-border)}.extra-file-thumb-wrap{background:#f1f5f9;border:1px solid #e2e8f0;border-radius:6px;justify-content:center;align-items:center;width:52px;height:52px;margin-bottom:8px;display:flex;overflow:hidden}.extra-file-thumb-wrap img{object-fit:cover;width:100%;height:100%}.extra-file-thumb-wrap.is-icon img{object-fit:contain;width:36px;height:36px}.extra-file-name{color:var(--text-primary);text-overflow:ellipsis;white-space:nowrap;max-width:115px;font-size:11.5px;font-weight:500;line-height:1.3;overflow:hidden}.extra-file-meta{color:var(--text-muted);margin-top:2px;font-size:10px}@media (width<=767px){.user-identity-badge{display:none}.desktop-icons-column{top:16px;left:16px;right:16px;bottom:calc(var(--taskbar-height) + 16px);grid-template-columns:repeat(4,1fr);align-content:start;gap:16px 8px;width:auto;display:grid;position:absolute}.desktop-icon-item{padding:8px 4px}.desktop-icon-img-wrap{width:44px;height:44px}.desktop-icon-label{max-width:72px;font-size:11px}.os-window{border:none;border-radius:0;max-width:none;max-height:none;width:100%!important;height:100%!important;top:0!important;left:0!important}.window-titlebar{height:44px}.explorer-sidebar{display:none}.explorer-search-box{width:120px}.folder-content-container{grid-template-columns:repeat(2,1fr);gap:16px;padding:16px}#start-menu{width:calc(100vw - 20px);left:10px}}