:root{--navy:#003d7a;--accent:#09f;--action:#0052cc;--body-text:#666;--bg:#f5f7fa;--white:#fff;--card-border:rgba(0,82,204,.12);--card-border-hover:rgba(0,82,204,.35)}*{box-sizing:border-box;margin:0;padding:0}body,html{height:100%;font-family:Inter,sans-serif;background:var(--bg);color:var(--navy)}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--card-border)}[contenteditable]{outline:none;cursor:text}[contenteditable]:focus{outline:1px dashed rgba(0,153,255,.4)}button,input,select,textarea{font-family:Inter,sans-serif}button{cursor:pointer}input[type=range]{accent-color:var(--accent);height:4px}