:root{--bg:#faf8f4;--surface:#ffffff;--surface-alt:#f3efe7;--text:#171717;--muted:#5f5a52;--border:#d9d1c3;--primary:#111111;--primary-contrast:#ffffff;--danger:#b42318;--success:#027a48}*{box-sizing:border-box}html{background:var(--bg)}body{margin:0;background:linear-gradient(180deg,#fcfbf8,#f5f1e8);color:var(--text);font-family:Arial,Helvetica,sans-serif}a{color:inherit}button,input,textarea{font:inherit}button{cursor:pointer}.page-shell{max-width:980px;margin:0 auto;padding:32px 16px 48px}.card,.hero,.notice,.topbar{background:var(--surface);border:1px solid var(--border);border-radius:18px;box-shadow:0 8px 24px rgba(17,17,17,.04);padding:20px}.hero{margin-bottom:16px}.grid{display:grid;gap:16px}.grid.two{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.button,button.primary,button[type=submit]{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--primary);color:var(--primary-contrast);border:0;border-radius:12px;padding:12px 16px;text-decoration:none}.button.secondary,button.secondary{background:transparent;color:var(--text);border:1px solid var(--border)}.field{display:grid;gap:8px;margin-bottom:14px}input,textarea{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:12px;background:#fff}input:focus,textarea:focus{outline:2px solid rgba(17,17,17,.12);border-color:#888}.muted{color:var(--muted)}.proposal-row{padding:14px 0;border-top:1px solid #ece6db}.proposal-row:first-child{border-top:0;padding-top:0}.feedback{min-height:24px;margin-top:8px;color:var(--success)}.feedback.error{color:var(--danger)}.stack{display:grid;gap:16px}.inline-between{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.code{font-family:SFMono-Regular,Consolas,monospace;background:var(--surface-alt);border:1px solid var(--border);border-radius:10px;padding:2px 6px}@media (max-width:640px){.page-shell{padding-top:20px}}