:root{font-family:system-ui,-apple-system,sans-serif;line-height:1.5;font-weight:400;color:#213547;background-color:#1a1a1a;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;min-width:320px;min-height:100vh}*{box-sizing:border-box}html.dark-mode{filter:invert(1) hue-rotate(180deg);background:#fff}html.dark-mode img,html.dark-mode video,html.dark-mode canvas{filter:invert(1) hue-rotate(180deg)}body{font-family:Inter,system-ui,-apple-system,sans-serif}.ui-pbtn{transition:filter .12s ease}.ui-pbtn:hover{filter:brightness(.93)}.ui-sbtn{transition:background .12s ease,border-color .12s ease}.ui-sbtn:hover:not(:disabled){background:#f6f7f9!important;border-color:#c9ced6!important}