:root{--text-col: #ffffff;--menu-bg: rgba(20, 25, 30, .3);--glass-blur: blur(20px);--border-col: rgba(255, 255, 255, .1);--title-col: #00d4ff}body.light-theme{--text-col: #000000;--menu-bg: rgba(240, 245, 255, .4);--border-col: rgba(0, 0, 0, .15);--title-col: #0055ff;background:#f5f7fa}body{margin:0;display:flex;overflow:hidden;background:#0b0f14;font-family:sans-serif;color:var(--text-col)}#app{width:100vw;height:100vh;position:absolute}canvas{width:100%;height:100%;display:block}#sidebar-tabs{position:fixed;left:0;top:0;width:60px;height:100vh;background:#0a0f14f2;border-right:1px solid var(--border-col);z-index:1100;display:flex;flex-direction:column;align-items:center;padding-top:20px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}body.light-theme 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