:root{color-scheme:light;--bg:#faf7f2;--card:#ffffff;--ink:#2c2a28;--muted:#7a746c;--accent:#8a6d5b;--border:#e6ded3}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:ui-serif,Georgia,Times New Roman,serif;line-height:1.5}main{max-width:720px;margin:0 auto;padding:2rem 1.25rem 4rem}h1{font-size:1.9rem;margin:.25rem 0}label{display:block;font-size:.85rem;color:var(--muted);margin-bottom:.25rem}input[type=number],input[type=password],input[type=text],select,textarea{width:100%;padding:.5rem .6rem;border:1px solid var(--border);border-radius:8px;font:inherit;background:#fff}button{font:inherit;padding:.45rem .9rem;border:1px solid var(--accent);background:var(--accent);color:#fff;border-radius:8px;cursor:pointer}button:disabled{opacity:.5;cursor:not-allowed}