:root{font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.5;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}body{margin:0;padding:0;min-width:320px;min-height:100vh;background-color:#fff;color:#213547}#root{width:100%;min-height:100vh}h1{font-size:2em;line-height:1.1;margin:0}.app{max-width:1600px;margin:0 auto;padding:2rem}.app h1{text-align:center;margin-bottom:2rem;color:#333}.controls{display:flex;gap:2rem;justify-content:center;align-items:center;margin-bottom:2rem;padding:1rem;background-color:#f5f5f5;border-radius:8px;flex-wrap:wrap}.file-input{display:flex;align-items:center}.file-input input[type=file]{display:none}.file-label{padding:.5rem 1.5rem;background-color:#007bff;color:#fff;border-radius:4px;cursor:pointer;transition:background-color .3s}.file-label:hover{background-color:#0056b3}.process-type{display:flex;gap:1rem;align-items:center}.process-type label{display:flex;align-items:center;gap:.5rem;cursor:pointer}.process-type input[type=radio]{cursor:pointer}.action-buttons{display:flex;gap:.5rem}.action-buttons button{padding:.5rem 1rem;border:1px solid #ccc;border-radius:4px;background-color:#fff;cursor:pointer;transition:all .3s}.action-buttons button:hover:not(:disabled){background-color:#f0f0f0;border-color:#999}.action-buttons button:disabled{opacity:.5;cursor:not-allowed}.canvas-container{display:flex;gap:2rem;justify-content:center;align-items:flex-start;margin-top:2rem;flex-wrap:wrap}.canvas-wrapper{display:flex;flex-direction:column;align-items:center;gap:1rem}.canvas-wrapper h3{margin:0;color:#555;font-size:1rem}.canvas-wrapper canvas{border:2px solid #ddd;border-radius:4px;max-width:100%;height:auto;box-shadow:0 2px 8px #0000001a}.placeholder{text-align:center;color:#999;font-size:1.2rem;margin-top:3rem}@media(max-width:768px){.controls{flex-direction:column;gap:1rem}.canvas-container{flex-direction:column}.canvas-wrapper canvas{max-width:90vw}}