: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{background-color:var(--tg-theme-bg-color, #fff);color:var(--tg-theme-text-color, #000);margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}.container{padding:20px;display:flex;flex-direction:column;align-items:center;gap:24px}.profile-card{display:flex;flex-direction:column;align-items:center;text-align:center;background-color:var(--tg-theme-secondary-bg-color, #f5f5f5);padding:24px;border-radius:16px;width:100%;box-sizing:border-box}.avatar{width:80px;height:80px;border-radius:50%;margin-bottom:12px;object-fit:cover}h2{margin:0;font-size:20px;font-weight:600}.username{margin:4px 0 0;color:var(--tg-theme-hint-color, #888);font-size:14px}.input-group{width:100%;display:flex;flex-direction:column;gap:8px}.input-group label{font-size:14px;color:var(--tg-theme-hint-color, #888);margin-left:4px}.input-field{width:100%;padding:14px;border-radius:12px;border:1px solid var(--tg-theme-hint-color, #ccc);background-color:var(--tg-theme-bg-color, #fff);color:var(--tg-theme-text-color, #000);font-size:16px;box-sizing:border-box;outline:none;transition:border-color .2s}.input-field:focus{border-color:var(--tg-theme-button-color, #2481cc)}