#app{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background-color:#f5f5f5;color:#333}.container{max-width:1200px;margin:0 auto;padding:20px}.btn{padding:12px 24px;border:none;border-radius:8px;font-size:16px;cursor:pointer;transition:all .3s ease}.btn-primary{background-color:#118eea;color:#fff}.btn-primary:hover{background-color:#0d7acc}.card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 2px 8px #0000001a}.loading{text-align:center;padding:40px}.error{color:#e74c3c;padding:12px;background-color:#fadbd8;border-radius:8px;margin:12px 0}