:root{--bg:#f8f6f2;--surface:#fffdf9;--ink:#1f1f1d;--muted:#66635c;--line:#e7e1d6;--accent:#1f6f5f;--accent-soft:#dfeeea}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:radial-gradient(circle at top right,#efe8dc,var(--bg));font-family:Avenir Next,Segoe UI,sans-serif}a{color:inherit;text-decoration:none}.container{max-width:1080px;margin:0 auto;padding:24px}.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:20px}.button{display:inline-flex;align-items:center;justify-content:center;border-radius:10px;padding:10px 14px;border:1px solid transparent;font-weight:600}.button.primary{background:var(--accent);color:#fff}.button.secondary{background:var(--accent-soft);color:var(--accent)}.small{color:var(--muted);font-size:14px}@media (max-width:640px){.container{padding:16px}}