: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}}:root{--primary-color: #0366d6;--background-color: #f6f8fa;--text-color: #24292e;--border-color: #e1e4e8;--card-background: #ffffff;--hover-background: #f1f8ff;--focus-background: #fff8e1;--error-color: #d73a49;--success-color: #28a745;--secondary-text: #586069;--border-radius: 8px;--box-shadow: 0 1px 3px rgba(0, 0, 0, .12), 0 1px 2px rgba(0, 0, 0, .24);--focus-shadow: 0 0 0 3px rgba(3, 102, 214, .1);--transition: all .2s ease}*{box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;background-color:var(--background-color);color:var(--text-color);margin:0;padding:0;line-height:1.6}*:focus{outline:2px solid var(--primary-color);outline-offset:2px}.app{min-height:100vh;padding:20px;width:100dvw;margin:0 auto}.user-search{margin-bottom:40px}.search-container{text-align:center;margin-bottom:30px}.search-container h1{font-size:2.5rem;margin-bottom:10px;color:var(--text-color)}.search-container p{font-size:1.1rem;color:var(--secondary-text);margin-bottom:30px}.search-input-container{position:relative;max-width:500px;margin:0 auto}.search-input{width:100%;padding:15px 50px 15px 20px;font-size:1rem;border:2px solid var(--border-color);border-radius:var(--border-radius);background-color:var(--card-background);transition:var(--transition)}.search-input:focus{outline:none;border-color:var(--primary-color);box-shadow:var(--focus-shadow)}.search-input.loading{background-color:#f8f9fa;cursor:wait}.search-input:disabled{opacity:.6;cursor:not-allowed}.search-loading{position:absolute;right:45px;top:50%;transform:translateY(-50%);display:flex;align-items:center;justify-content:center}.spinner{width:20px;height:20px;border:2px solid var(--border-color);border-top:2px solid var(--primary-color);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.clear-search{position:absolute;right:15px;top:50%;transform:translateY(-50%);background:none;border:none;font-size:1.5rem;color:var(--secondary-text);cursor:pointer;padding:5px;border-radius:50%;transition:var(--transition);width:30px;height:30px;display:flex;align-items:center;justify-content:center}.clear-search:hover{background-color:var(--hover-background);color:var(--text-color)}.clear-search:focus{outline:2px solid var(--primary-color);outline-offset:1px}.keyboard-hints{margin-top:15px;font-size:.85rem;color:var(--secondary-text);font-style:italic;padding:8px 16px;background-color:var(--card-background);border:1px solid var(--border-color);border-radius:var(--border-radius);display:inline-block}.users-container h2{font-size:1.5rem;margin-bottom:20px;color:var(--text-color)}.users-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px;margin-bottom:30px}.user-card{background:var(--card-background);border:2px solid var(--border-color);border-radius:var(--border-radius);padding:20px;cursor:pointer;transition:var(--transition);box-shadow:var(--box-shadow);display:flex;align-items:center;gap:15px;position:relative}.user-card:hover{background-color:var(--hover-background);border-color:var(--primary-color);transform:translateY(-2px);box-shadow:0 4px 8px #00000026}.user-card:focus{outline:none;border-color:var(--primary-color);box-shadow:var(--focus-shadow)}.user-card.focused{background-color:var(--focus-background);border-color:var(--primary-color);box-shadow:var(--focus-shadow)}.user-card.selected{border-color:var(--primary-color);background-color:var(--hover-background);box-shadow:var(--focus-shadow)}.user-card:before{content:"";position:absolute;inset:-2px;background:linear-gradient(45deg,var(--primary-color),transparent);border-radius:var(--border-radius);z-index:-1;opacity:0;transition:opacity .2s ease}.user-card.selected:before{opacity:1}.user-avatar{width:80px;height:80px;border-radius:50%;object-fit:cover;flex-shrink:0;border:2px solid var(--border-color);transition:var(--transition)}.user-card:hover .user-avatar,.user-card.focused .user-avatar{border-color:var(--primary-color)}.user-info{flex:1}.user-login{font-size:1.3rem;font-weight:600;margin:0 0 5px;color:var(--primary-color)}.user-name{font-size:1rem;font-weight:500;margin:0 0 8px;color:var(--text-color)}.user-bio{font-size:.9rem;color:var(--secondary-text);margin:0 0 12px;line-height:1.4}.user-stats{display:flex;gap:15px;margin:12px 0;flex-wrap:wrap}.user-stats .stat{font-size:.85rem;color:var(--secondary-text)}.user-company,.user-location{font-size:.85rem;color:var(--secondary-text);margin:5px 0}.repository-list{margin-top:40px}.repository-list h2{font-size:1.8rem;margin-bottom:25px;color:var(--text-color);text-align:center}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;background:var(--card-background);border:1px solid var(--border-color);border-radius:var(--border-radius);margin:20px 0}.loading-spinner{width:40px;height:40px;border:4px solid var(--border-color);border-top:4px solid var(--primary-color);border-radius:50%;animation:spin 1s linear infinite;margin-bottom:20px}.loading-text{color:var(--secondary-text);font-size:1rem;margin:0}.error-container{display:flex;flex-direction:column;align-items:center;gap:20px;padding:40px 20px;background:var(--card-background);border:1px solid var(--border-color);border-radius:var(--border-radius);margin:20px 0}.retry-button{background-color:var(--primary-color);color:#fff;border:none;padding:12px 24px;font-size:1rem;border-radius:var(--border-radius);cursor:pointer;transition:var(--transition);font-weight:500}.retry-button:hover{background-color:#0256cc;transform:translateY(-1px)}.retry-button:focus{outline:2px solid var(--primary-color);outline-offset:2px}.retry-button:active{transform:translateY(0)}.repositories-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:20px}.repository-card{background:var(--card-background);border:1px solid var(--border-color);border-radius:var(--border-radius);padding:20px;transition:var(--transition);box-shadow:var(--box-shadow)}.repository-card:hover{transform:translateY(-2px);box-shadow:0 4px 8px #00000026}.repository-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.repository-name{margin:0;font-size:1.2rem;font-weight:600}.repository-link{color:var(--primary-color);text-decoration:none;transition:var(--transition)}.repository-link:hover{text-decoration:underline}.repository-link:focus{outline:2px solid var(--primary-color);outline-offset:2px;border-radius:3px}.private-badge{background-color:var(--secondary-text);color:#fff;font-size:.7rem;padding:3px 8px;border-radius:12px;font-weight:500}.repository-description{font-size:.9rem;color:var(--secondary-text);margin:0 0 15px;line-height:1.5}.repository-stats{display:flex;align-items:center;gap:15px;font-size:.85rem;color:var(--secondary-text);flex-wrap:wrap}.repository-stats .stat{display:flex;align-items:center;gap:4px}.language-dot{width:12px;height:12px;border-radius:50%;display:inline-block}.language{display:flex;align-items:center;gap:6px}.error-message{background-color:#f8d7da;color:var(--error-color);padding:15px;border-radius:var(--border-radius);margin:20px 0;text-align:center;border:1px solid #f5c6cb}.no-results,.no-repositories{text-align:center;color:var(--secondary-text);font-style:italic;padding:40px 20px;background:var(--card-background);border:1px solid var(--border-color);border-radius:var(--border-radius);margin:20px 0}@media (max-width: 768px){.app{padding:15px}.search-container h1{font-size:2rem}.users-grid,.repositories-grid{grid-template-columns:1fr}.user-card{flex-direction:column;text-align:center}.user-avatar{align-self:center}.user-stats,.repository-stats{justify-content:center}.search-input{padding:12px 45px 12px 15px}.keyboard-hints{display:none}}@media (max-width: 480px){.search-container h1{font-size:1.8rem}.search-input{padding:12px 40px 12px 15px;font-size:.9rem}.user-card,.repository-card{padding:15px}.error-container,.loading-container{padding:30px 15px}}@media (prefers-contrast: high){:root{--border-color: #000000;--text-color: #000000;--background-color: #ffffff}}@media (prefers-reduced-motion: reduce){*{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}.spinner{animation:none;border:2px solid var(--primary-color)}}