/* kx8426 extra polish + dark/light */
html { scroll-behavior: smooth; }
html.dark { color-scheme: dark; }
#board { background: transparent; }
video, iframe { border-radius: 1rem; }
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-thumb { background: linear-gradient(#22d3ee,#a855f7); border-radius: 8px; }
input, textarea, select { transition: border-color .2s; }
input:focus, textarea:focus, select:focus { border-color: rgba(34,211,238,.6) !important; outline: none; }