:root{font:16px/1.6 system-ui;color:#183047;background:#eef4f7}main{max-width:720px;margin:6vh auto;padding:32px;background:white;border-radius:16px}h1{font-size:26px}label,textarea{display:block;width:100%;box-sizing:border-box}textarea{font:14px/1.5 monospace;margin:8px 0 20px;padding:12px;border:1px solid #a9bac4;border-radius:8px}.button,button{display:inline-block;background:#087b86;color:white;padding:12px 20px;border:0;border-radius:8px;font:inherit;text-decoration:none;cursor:pointer}button:disabled{opacity:.65}nav{display:grid;gap:8px;margin-top:24px}a{color:#087b86}.loading-bar{display:block;height:4px;overflow:hidden;background:#d6e8eb;margin-top:8px}.loading-bar:after{content:"";display:block;background:#087b86;width:35%;height:100%;animation:move 1s infinite linear}@keyframes move{from{transform:translateX(-100%)}to{transform:translateX(400%)}}[hidden]{display:none!important}