:root{color-scheme:light}*{box-sizing:border-box}html,body,#root{margin:0;background:#f3f4f6;color:#111827;font-family:system-ui,-apple-system,Segoe UI,Roboto}table{width:100%;background:#fff;border-collapse:collapse}thead{background:#f9fafb}td,th{padding:10px;border-bottom:1px solid #e5e7eb}input,select,textarea{background:#fff;border:2px solid #9ca3af;border-radius:8px;padding:10px}button{background:#fff;border:1px solid #d1d5db;padding:8px 12px;border-radius:8px;cursor:pointer}