:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}#app{max-width:1280px;margin:0 auto;padding:2rem;text-align:center}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}.upload-form-container{max-width:500px;margin:20px auto;padding:20px}.upload-form-container div{margin-bottom:15px}.upload-form-container label{display:block;margin-bottom:5px}.upload-form-container input{padding:8px}.header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.header h2{margin:0}#logout-button{background-color:#dc3545;color:#fff;border:none;padding:8px 16px;border-radius:4px;cursor:pointer;font-size:14px}#logout-button:hover{background-color:#c82333;border-color:#c82333}.upload-progress{margin-top:10px;font-weight:700}.card-list{margin-top:20px}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:#f4f7f6;color:#333;display:flex;flex-direction:column;align-items:center;margin:0;padding:20px}h1{color:#444}.main-container{display:flex;flex-wrap:wrap;gap:30px;justify-content:center;max-width:900px;width:100%}.controls{background-color:#fff;padding:20px;border-radius:8px;box-shadow:0 4px 8px #0000000d;flex-basis:250px;flex-grow:1}.controls h2,.controls h3{margin-top:0;color:#555;border-bottom:1px solid #eee;padding-bottom:10px;margin-bottom:15px}.controls label{font-weight:700;font-size:1rem;display:block;margin-bottom:5px}.controls input[type=color]{width:100%;height:40px;border:1px solid #ddd;border-radius:4px;padding:0;cursor:pointer;margin-bottom:10px}#swatchContainer{display:flex;gap:6px;margin-bottom:20px}.swatch{width:34px;height:34px;border:1px solid #ccc;border-radius:4px;cursor:pointer;transition:transform .1s ease-in-out}.swatch:hover{transform:scale(1.1);border-color:#007bff}.controls hr{border:none;border-top:1px solid #eee;margin:20px 0}.controls input[type=text]{width:calc(100% - 22px);padding:10px;border:1px solid #ccc;border-radius:4px;margin-bottom:10px}.controls button{width:100%;padding:12px;background-color:#007bff;color:#fff;border:none;border-radius:4px;cursor:pointer;font-size:16px;margin-bottom:10px;transition:background-color .2s}.controls button:hover{background-color:#0056b3}.canvas-container{background-color:#fff;padding:10px;border-radius:8px;box-shadow:0 4px 8px #0000000d}#pixelCanvas{background-color:#fff;cursor:crosshair;image-rendering:pixelated}