*{box-sizing:border-box;padding:0;margin:0}html{scroll-behavior:smooth}body,html{max-width:100vw;overflow-x:hidden;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{background-color:#f5f5f5;color:#333}a{color:inherit;text-decoration:none}.container{max-width:1200px;margin:0 auto;padding:20px}.card{background:white;border-radius:8px;padding:20px;margin-bottom:20px;box-shadow:0 2px 4px rgba(0,0,0,.1)}.button{background-color:#0070f3;color:white;border:none;padding:10px 20px;border-radius:4px;cursor:pointer;font-size:16px}.button:hover{background-color:#0051cc}.button:disabled{background-color:#ccc;cursor:not-allowed}.input,.textarea{width:100%;padding:10px;border:1px solid #ddd;border-radius:4px;font-size:16px;margin-bottom:10px}.textarea{min-height:100px;resize:vertical}.label{display:block;margin-bottom:5px;font-weight:500}.error{color:#d32f2f}.error,.success{margin-top:5px;font-size:14px}.success{color:#2e7d32}