: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;--bg-color-light: #ffffff;--text-color-light: #213547;--progress-bg-light: #e0e0e0;--progress-fill-light: #007bff;--button-bg-light: #f9f9f9;--button-hover-light: #646cff;--bg-color-dark: #242424;--text-color-dark: rgba(255, 255, 255, .87);--progress-bg-dark: #3a3a3a;--progress-fill-dark: #0056b3;--button-bg-dark: #1a1a1a;--button-hover-dark: #535bf2}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;display:flex;place-items:center;min-width:320px;min-height:100vh;transition:background-color .3s ease,color .3s ease}body.light-mode{background-color:var(--bg-color-light);color:var(--text-color-light)}body.dark-mode{background-color:var(--bg-color-dark);color:var(--text-color-dark)}#root{max-width:1280px;margin:0 auto;padding:2rem;text-align:center}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}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}}.progress-container{width:100%;border-radius:4px;transition:background-color .3s ease}.light-mode .progress-container{background-color:var(--progress-bg-light)}.dark-mode .progress-container{background-color:var(--progress-bg-dark)}.progress-bar{height:24px;border-radius:4px;transition:width .3s ease,background-color .3s ease;width:var(--progress-width, 0%)}.light-mode .progress-bar{background-color:var(--progress-fill-light)}.dark-mode .progress-bar{background-color:var(--progress-fill-dark)}.progress-text{margin-top:8px;font-size:1rem}.app-container{padding:20px;max-width:600px;margin:0 auto}.progress-button{margin-top:10px;padding:8px 16px;border:1px solid transparent;border-radius:4px;cursor:pointer;transition:border-color .3s ease,background-color .3s ease,opacity .3s ease}.light-mode .progress-button{background-color:var(--button-bg-light);color:var(--text-color-light)}.dark-mode .progress-button{background-color:var(--button-bg-dark);color:var(--text-color-dark)}.progress-button:hover:not(:disabled){border-color:var(--button-hover-light)}.progress-button:disabled{opacity:.6;cursor:not-allowed}.theme-toggle{position:fixed;top:20px;right:20px;padding:8px 16px;border-radius:4px;cursor:pointer;border:1px solid transparent;transition:border-color .3s ease,background-color .3s ease}.light-mode .theme-toggle{background-color:var(--button-bg-light);color:var(--text-color-light)}.dark-mode .theme-toggle{background-color:var(--button-bg-dark);color:var(--text-color-dark)}.author-info{text-align:center;margin-bottom:1.5rem;padding:1rem;border-radius:8px;background:linear-gradient(145deg,var(--bg-color-light) 0%,var(--progress-fill-light) 100%)}.dark-mode .author-info{background:linear-gradient(145deg,var(--bg-color-dark) 0%,var(--progress-fill-dark) 100%)}.author-info h2{margin:0;font-size:1.5rem;font-weight:600;background:linear-gradient(90deg,#007bff,#00ff95);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.author-info .username{margin:.5rem 0 0;font-size:1rem;color:var(--text-color-light);opacity:.8}.dark-mode .author-info .username{color:var(--text-color-dark)}