*{margin:0;padding:0;box-sizing:border-box}body{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;background-color:#f5f5f5}#app{min-height:100vh}.container{max-width:1200px;margin:0 auto;padding:0 16px}.btn{padding:10px 20px;border:none;border-radius:4px;cursor:pointer;font-size:14px;transition:all .3s}.btn-primary{background-color:#1890ff;color:#fff}.btn-primary:hover{background-color:#40a9ff}.btn-secondary{background-color:#f0f0f0;color:#333}.btn-secondary:hover{background-color:#e0e0e0}.card{background:#fff;border-radius:8px;padding:20px;box-shadow:0 2px 8px #0000001a}.form-group{margin-bottom:16px}.form-label{display:block;margin-bottom:8px;font-weight:500}.form-input{width:100%;padding:10px;border:1px solid #d9d9d9;border-radius:4px;font-size:14px}.form-input:focus{outline:none;border-color:#1890ff}.error-message{color:#ff4d4f;font-size:12px;margin-top:4px}.loading{display:flex;justify-content:center;align-items:center;min-height:200px}