:root{--bg-color: #0f172a;--panel-bg: rgba(30, 41, 59, .7);--accent-color: #38bdf8;--accent-hover: #0ea5e9;--text-main: #f8fafc;--text-sub: #94a3b8;--border-color: rgba(255, 255, 255, .1);--grid-border: #475569;--cell-selected: rgba(56, 189, 248, .2);--cell-highlight: rgba(56, 189, 248, .05);--font-family: "Inter", system-ui, -apple-system, sans-serif}*{box-sizing:border-box;margin:0;padding:0}html{overscroll-behavior-y:none}body{background-color:var(--bg-color);color:var(--text-main);font-family:var(--font-family);min-height:100vh;display:flex;flex-direction:column;overflow-x:hidden}a{text-decoration:none;color:inherit}button{cursor:pointer;border:none;outline:none;font-family:inherit}