:root{--bg:#fff;--fg:#16181d;--muted:#5c6370;--line:#d8dce3;--accent:#1f4ed8;--danger:#b42318;--warn-bg:#fff8e6}*{box-sizing:border-box}body{background:var(--bg);color:var(--fg);margin:0;font:15px/1.5 ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif}a{color:var(--accent)}button{font:inherit;border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:6px;padding:.5rem .9rem}button[disabled]{cursor:not-allowed;opacity:.55}input,select,textarea{font:inherit;border:1px solid var(--line);border-radius:6px;width:100%;padding:.45rem .6rem}label{margin-bottom:.75rem;display:block}label>span{color:var(--muted);margin-bottom:.25rem;font-size:.85rem;display:block}