: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}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}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}}body{margin:0;background-color:#f0f2f5;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;color:#333}.container{max-width:800px;margin:40px auto;padding:20px}h1{text-align:center;color:#1a1a1a}.tabs{display:flex;margin-bottom:20px;border-bottom:2px solid #ddd}.tab{padding:10px 20px;cursor:pointer;background:none;border:none;font-size:16px;font-weight:600;color:#666}.tab.active{border-bottom:2px solid #0070f3;color:#0070f3}.card{background:#fff;padding:30px;border-radius:12px;box-shadow:0 4px 6px #0000001a}.form-group{margin-bottom:25px;padding-bottom:20px;border-bottom:1px solid #eee}.form-group h3{margin-top:0;color:#444}label{display:block;margin-bottom:8px;font-weight:500;color:#333}input,textarea,select{width:100%;padding:10px;margin-bottom:15px;border:1px solid #ccc;border-radius:6px;font-size:14px;background:#fff;color:#333;box-sizing:border-box}.batch-row{display:flex;gap:15px}.btn-primary{background:#0070f3;color:#fff;border:none;padding:12px 24px;border-radius:6px;cursor:pointer;font-size:16px;font-weight:600;width:100%;transition:background .2s}.btn-primary:hover{background:#005bb5}.btn-secondary{background:#666;color:#fff;border:none;padding:10px 20px;border-radius:6px;cursor:pointer;margin-bottom:20px;width:100%}.mapping-grid{display:grid;grid-template-columns:1fr 100px 100px;gap:10px;align-items:center;margin-bottom:10px}.mapping-grid input{margin-bottom:0}.mapping-header{font-weight:700;margin-bottom:10px}