body{background-color:#f4f4f4;font-family:Arial,sans-serif;margin:0;padding:0}footer,header{background-color:#333;color:#fff;padding:1rem;text-align:center}.container{margin:0 auto;max-width:800px;padding:20px}button{background-color:#28a745;border:none;color:#fff;cursor:pointer;padding:10px 20px}button:hover{background-color:#218838}input{border:1px solid #ccc;margin:10px 0;padding:10px;width:100%}.app-wrapper{display:flex;flex-direction:column;min-height:100vh}.main-content{flex:1 1}.footer{background:#f8fafc;border-top:1px solid #e2e8f0;color:#64748b;font-size:.9rem;margin-top:auto;padding:1.5rem 2rem;text-align:center}