:root{--bg:#f5f4ef;--card:#ffffff;--ink:#1f2a1f;--warn:#b14f2d}*{box-sizing:border-box}body{margin:0;font-family:Source Sans\ 3,Segoe UI,sans-serif;color:var(--ink);background:radial-gradient(circle at 10% 10%,#fefcf4 0,var(--bg) 55%)}main{max-width:960px;margin:0 auto;padding:2rem 1rem 3rem}.card{background:var(--card);border:1px solid #dde4dd;border-radius:12px;padding:1rem}fieldset,label{display:block;margin-bottom:.75rem}button,input,select{margin-top:.25rem;padding:.5rem;font:inherit}fieldset{border:1px solid #dde4dd;border-radius:8px;padding:.75rem}