:root{color-scheme:light dark;font-family:system-ui,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0}#root{min-height:100svh}nav{display:flex;align-items:center;gap:16px;padding:16px;border-bottom:1px solid rgba(128,128,128,.3)}section{padding:16px}form div{margin-bottom:12px}form label{font-weight:600}form select,form input{margin-top:4px;padding:6px 8px}