body{background-color:#f4f7f6;color:#333;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;margin:0}.app-layout{display:flex;flex-direction:column;min-height:100vh}.main-content{box-sizing:border-box;flex-grow:1;margin:0 auto;max-width:1200px;padding:0 1rem;width:100%}.footer{background-color:#f4f7f6;border-top:1px solid #ddd;color:#666;font-size:.9rem;padding:1.5rem;text-align:center}.loader{align-items:center;color:#666;display:flex;font-size:2rem;height:100vh;justify-content:center}