:root{--bg: #0a0e16;--panel: rgba(10, 14, 22, .92);--overlay: rgba(0, 0, 0, .55);--text: #e6edf7;--muted: rgba(230, 237, 247, .65);--stroke: rgba(255, 255, 255, .14);--stroke-strong: rgba(255, 255, 255, .28);--card: rgba(255, 255, 255, .06);--btn: rgba(255, 255, 255, .08);--btn-hover: rgba(255, 255, 255, .14);--r-sm: 10px;--r: 12px;--r-lg: 14px;--shadow: 0 20px 80px rgba(0, 0, 0, .55);--z-view: 1;--z-osd: 2;--z-dev: 3;--z-top: 4;--z-menu: 5;--z-splash: 100}html,body{margin:0;height:100%;overflow:hidden;background:var(--bg);color:var(--text)}*{box-sizing:border-box}body{font-family:ui-sans-serif,system-ui,-apple-system,Segoe 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