:root{--brand-primary: #a57f50;--brand-secondary: #5048e5;--text: #111;--text-muted: #6b7280;--bg: #fff;--bg-alt: #fafafa;--border: #e5e7eb;--radius: 8px}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text)}a{color:var(--brand-primary)}button{background:var(--brand-primary);color:#fff;border:none;padding:8px 16px;border-radius:var(--radius);cursor:pointer;font-size:14px}button:hover{opacity:.9}