:root{--bg-void: #141414;--bg-base: #1C1C1C;--bg-surface: #242424;--bg-elevated: #2D2D2D;--bg-panel: #333333;--bg-hover: #3A3A3A;--bg-active: #424242;--border-dim: #2A2A2A;--border: #3E3E3E;--border-light: #545454;--border-accent: rgba(91,122,158,.3);--accent: #5B7A9E;--accent-bright: #7898BE;--accent-dim: #3D5570;--accent-glow: rgba(91,122,158,.08);--accent-glow-md: rgba(91,122,158,.15);--text-primary: #D8D8D8;--text-secondary: #9A9A9A;--text-muted: #5A5A5A;--text-accent: #7898BE;--text-dim: #3E3E3E;--text-bright: #F0F0F0;--red: #C95F5F;--red-dim: rgba(201,95,95,.15);--red-bright: #D97070;--green: #6EA87E;--green-dim: rgba(110,168,126,.12);--yellow: #C8A84B;--orange: #C87840;--magenta: #9878C8;--blue: #5878B8;--font-ui: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;--font-body: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;--font-mono: Consolas, "Cascadia Code", "Courier New", Courier, monospace;--text-xs: 11px;--text-sm: 12px;--text-md: 13px;--text-base: 14px;--text-lg: 16px;--text-xl: 18px;--text-2xl: 22px;--text-3xl: 28px;--sp-1: 4px;--sp-2: 8px;--sp-3: 12px;--sp-4: 16px;--sp-5: 20px;--sp-6: 24px;--sp-8: 32px;--sp-10: 40px;--sp-12: 48px;--radius-sm: 3px;--radius: 6px;--radius-md: 8px;--radius-lg: 12px;--t-fast: .1s ease;--t-base: .18s ease;--t-slow: .3s ease;--t-slower: .5s ease;--z-desktop: 0;--z-windows: 10;--z-taskbar: 100;--z-overlay: 200;--z-modal: 300;--z-toast: 400}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{width:100%;height:100%;overflow:hidden;background:var(--bg-void);color:var(--text-primary);font-family:var(--font-ui);font-size:var(--text-base);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-user-select:none;user-select:none}#scos-root{width:100%;height:100%;position:relative;overflow:hidden}.screen{position:absolute;top:0;right:0;bottom:0;left:0;opacity:0;pointer-events:none;transition:opacity 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svg{width:44px;height:44px}.desktop-icon-label{font-family:var(--font-ui);font-size:var(--text-xs);font-weight:500;color:var(--text-primary);text-align:center;line-height:1.3;letter-spacing:.02em;text-shadow:0 1px 4px rgba(0,0,0,.8);word-break:break-word;max-width:72px}.desktop-icon.folder-icon .desktop-icon-img{color:var(--accent)}.desktop-icon.folder-icon:hover .desktop-icon-img{color:var(--accent-bright)}#user-badge{position:absolute;top:var(--sp-4);right:var(--sp-4);display:flex;flex-direction:column;align-items:flex-end;gap:2px;z-index:5}.user-badge-name{font-family:var(--font-ui);font-size:var(--text-sm);font-weight:600;color:var(--text-primary);letter-spacing:.02em}.user-badge-role{font-family:var(--font-mono);font-size:var(--text-xs);color:var(--text-muted);letter-spacing:.06em}.context-menu{position:fixed;background:var(--bg-elevated);border:1px solid var(--border-light);border-radius:var(--radius-md);padding:var(--sp-1) 0;min-width:190px;z-index:var(--z-modal);box-shadow:0 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