.controls{display:flex;flex-direction:column;gap:1em;margin-bottom:1em;padding:15px;border-radius:8px;background-color:#f5f5f5}.button-group{display:flex;gap:10px}button:disabled{opacity:.5;cursor:not-allowed}.spinner-container{display:flex;align-items:center;margin:16px 0}.spinner{width:20px;height:20px;border:3px solid #f3f3f3;border-top:3px solid #646cff;border-radius:50%;animation:spin 1s linear infinite;margin-right:10px}.spinner-text{color:#646cff;font-weight:500}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.error{color:red;font-weight:700;display:block;margin:10px 0;padding:8px;border-left:3px solid red;background-color:#fff0f0}:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color:#213547;background-color:#fff;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#f9f9f9;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}