: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;padding:0;font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}#root{width:100%;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}}@media (max-width: 768px){button,.action-button,.comment-action,.nav-tab{touch-action:manipulation;-webkit-tap-highlight-color:transparent}.action-button,.comment-action,.comment-submit,.nav-tab{min-height:44px}.post:hover{transform:none}}.app-container{display:flex;flex-direction:column;min-height:100vh;background-color:#f0f2f5}.app-header{display:flex;align-items:center;padding:0 16px;height:60px;background-color:#fff;box-shadow:0 1px 2px #0000001a;position:sticky;top:0;z-index:100}.logo{color:#1877f2;font-size:30px;margin-right:20px}.nav-tabs{display:flex;flex:1;justify-content:center;gap:10px}.nav-tab{background:none;border:none;color:#65676b;padding:0 16px;height:60px;font-size:16px;font-weight:600;cursor:pointer;transition:all .2s;display:flex;align-items:center;border-bottom:3px solid transparent;position:relative}.nav-tab i{margin-right:8px}.nav-tab.active{color:#1877f2;border-bottom-color:#1877f2}.nav-tab:hover{background-color:#f0f2f5}.badge{background-color:#e41e3f;color:#fff;border-radius:50%;min-width:18px;height:18px;font-size:11px;display:flex;justify-content:center;align-items:center;position:absolute;top:10px;right:0}.shared-posts-container{max-width:600px;margin:0 auto;padding:20px;width:100%}.shared-posts-container h2{color:#1c1e21;font-size:24px;margin-bottom:20px;text-align:center}.empty-state{background-color:#fff;border-radius:8px;padding:40px 20px;text-align:center;box-shadow:0 1px 2px #0000001a}.empty-icon{font-size:48px;color:#65676b;margin-bottom:16px}.empty-state p{color:#65676b;font-size:16px;margin-bottom:20px}.empty-state button{background-color:#1877f2;color:#fff;border:none;padding:8px 16px;border-radius:6px;font-weight:600;cursor:pointer}.empty-state button:hover{background-color:#166fe5}@media (max-width: 768px){.app-header{padding:0 8px;height:50px}.logo{font-size:24px;margin-right:10px}.nav-tabs{gap:0}.nav-tab{padding:0 10px;height:50px;font-size:14px}.nav-tab i{font-size:18px;margin-right:0}.nav-tab span{display:none}.badge{top:5px;right:5px;min-width:16px;height:16px;font-size:10px}.shared-posts-container{padding:10px}.shared-posts-container h2{font-size:20px;margin-bottom:10px}.empty-state{padding:20px 10px}.empty-icon{font-size:32px}}@media (max-width: 480px){.app-container{padding-bottom:50px}.app-header{position:fixed;bottom:0;top:auto;width:100%;border-top:1px solid var(--border-color);box-shadow:0 -1px 2px #0000001a;z-index:100}.logo{display:none}.nav-tabs{width:100%;justify-content:space-around}.nav-tab{flex-direction:column;font-size:10px;padding:5px 0;height:auto}.nav-tab i{font-size:20px;margin:0 0 2px}.nav-tab span{display:none}.badge{position:absolute;top:0;right:0}}.github-link{display:flex;align-items:center;justify-content:center;color:#333;font-size:24px;margin-left:auto;padding:0 10px;height:40px;width:40px;border-radius:50%;transition:all .2s ease}.github-link:hover{transform:scale(1.1);color:#1877f2;background-color:#0000000d}@media (max-width: 480px){.github-link{position:fixed;top:10px;right:10px;background-color:#fff;box-shadow:0 1px 2px #0000001a;z-index:101}}:root{--primary-color: #1877f2;--primary-hover: #166fe5;--light-bg: #f0f2f5;--light-hover: #d8dadf;--text-primary: #050505;--text-secondary: #65676b;--border-color: #ebedf0;--white: #ffffff;--shadow: 0 1px 2px rgba(0, 0, 0, .1);--shadow-hover: 0 8px 24px rgba(0, 0, 0, .12);--border-radius: 8px;--border-radius-lg: 12px;--transition: all .2s ease;--reaction-size: 18px}.posts-container{display:flex;justify-content:center;align-items:center;min-height:100vh;padding:20px;margin:0;background-color:var(--light-bg)}.post{width:100%;max-width:550px;margin:0 auto;background-color:var(--white);border-radius:var(--border-radius-lg);box-shadow:var(--shadow);transition:var(--transition);overflow:hidden}.post:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}.post-header{display:flex;align-items:center;padding:14px 16px;border-bottom:1px solid var(--border-color)}.profile-pic{width:44px;height:44px;border-radius:50%;margin-right:12px;object-fit:cover;border:1px solid var(--border-color)}.post-info{display:flex;flex-direction:column;flex:1}.username{margin:0;font-size:16px;font-weight:600;color:var(--text-primary);text-align:left}.timestamp{display:flex;align-items:center;font-size:12px;color:var(--text-secondary);margin-top:2px}.timestamp:before{content:"";font-family:"Font Awesome 6 Free";margin-right:4px;font-size:11px}.post-header-options{background:none;border:none;color:var(--text-secondary);cursor:pointer;width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:var(--transition)}.post-header-options:hover{background-color:var(--light-bg)}.post-content{padding:16px}.post-text{margin:0 0 16px;font-size:16px;color:var(--text-primary);line-height:1.5}.post-image-container{margin:16px 0;max-height:500px;overflow:hidden;border-radius:var(--border-radius);box-shadow:var(--shadow);position:relative}.post-image{width:100%;object-fit:cover;transition:transform .3s ease;display:block}.post-image:hover{transform:scale(1.02)}.upload-button{display:inline-flex;align-items:center;background-color:var(--light-bg);color:var(--text-primary);padding:8px 16px;border-radius:20px;cursor:pointer;font-size:14px;margin-top:12px;transition:var(--transition);border:none;font-weight:500}.upload-button:before{content:"";font-family:"Font Awesome 6 Free";font-weight:900;margin-right:8px}.upload-button:hover{background-color:var(--light-hover);transform:translateY(-1px)}.post-actions{padding:0 16px}.post-stats{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--border-color);color:var(--text-secondary);font-size:14px}.likes-count{display:flex;align-items:center}.likes-count:before{content:"";font-family:"Font Awesome 6 Free";font-weight:900;margin-right:6px;color:var(--primary-color)}.comments-count{display:flex;align-items:center}.comments-count:before{content:"";font-family:"Font Awesome 6 Free";font-weight:900;margin-right:6px}.action-buttons{display:flex;justify-content:space-around;padding:8px 0;border-bottom:1px solid var(--border-color)}.action-button{background:none;border:none;padding:8px 16px;color:var(--text-secondary);font-size:14px;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--transition);border-radius:4px;flex:1}.action-button i{margin-right:8px}.action-button:hover{background-color:var(--light-hover);color:var(--primary-color)}.action-button.active{color:var(--primary-color)}.post-comments{padding:16px}.comments-list{margin-bottom:16px}.comment{display:flex;margin-bottom:16px;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.comment-profile-pic{width:36px;height:36px;border-radius:50%;margin-right:8px;object-fit:cover}.comment-content{background-color:var(--light-bg);border-radius:18px;padding:10px 14px;flex:1;box-shadow:0 1px 2px #0000000d;position:relative;justify-content:start}.comment-user{margin:0;font-size:13px;font-weight:600;color:var(--text-primary);text-align:left}.comment-text{margin:6px 0;font-size:14px;text-align:left}.comment-actions{display:flex;gap:10px;font-size:12px;margin-top:4px}.comment-action{background:none;border:none;padding:0;color:var(--text-secondary);font-weight:600;cursor:pointer;transition:var(--transition)}.comment-action:hover{color:var(--primary-color);text-decoration:underline}.comment-time{color:var(--text-secondary)}.comment-form{display:flex;align-items:center;margin-top:16px}.comment-input{flex:1;border:none;background-color:var(--light-bg);border-radius:20px;padding:10px 16px;margin:0 8px;font-size:14px;transition:var(--transition)}.comment-input:focus{outline:none;box-shadow:0 0 0 2px #1877f233}.comment-submit{background-color:var(--primary-color);color:var(--white);border:none;border-radius:20px;padding:8px 16px;font-weight:600;cursor:pointer;transition:var(--transition)}.comment-submit:hover{background-color:var(--primary-hover);transform:translateY(-1px)}.comment-submit i{margin-right:0}.reactions-container{position:absolute;bottom:-20px;left:20px;background-color:var(--white);box-shadow:0 2px 5px #0003;border-radius:20px;padding:5px 10px;display:flex;gap:8px}.reaction{width:var(--reaction-size);height:var(--reaction-size);cursor:pointer;transition:transform .2s ease}.reaction:hover{transform:scale(1.3)}.action-button-hover{background-color:var(--light-hover);color:var(--primary-color)}@media (max-width: 600px){.post{max-width:100%;border-radius:var(--border-radius);margin-bottom:10px}.post-header{padding:10px 12px}.profile-pic{width:36px;height:36px;margin-right:8px}.username{font-size:14px}.timestamp{font-size:11px}.post-content{padding:12px}.post-text{font-size:14px;margin-bottom:12px}.post-image-container{margin:8px 0;max-height:300px}.action-buttons{padding:4px 0}.action-button{padding:6px 4px;font-size:12px}.action-button i{margin-right:4px}@media (max-width: 360px){.action-button span{display:none}.action-button i{margin-right:0;font-size:16px}}.post-comments{padding:10px}.comment-profile-pic{width:28px;height:28px}.comment-content{padding:8px 10px}.comment-user{font-size:12px}.comment-text{font-size:13px}.comment-form{margin-top:8px}.comment-input{padding:8px 12px;font-size:13px}.comment-submit{padding:6px 12px}}.feed{display:flex;flex-direction:column;gap:16px;width:100%;max-width:600px;margin:0 auto;padding:20px}.loading,.error-message{text-align:center;padding:20px;margin:20px 0;background-color:#fff;border-radius:8px;box-shadow:0 1px 2px #0000001a}.spinner{width:40px;height:40px;border:3px solid var(--light-bg);border-top:3px solid var(--primary-color);border-radius:50%;margin:0 auto 16px;animation:spin 1s linear infinite}.spinner-small{width:20px;height:20px;border:2px solid var(--light-bg);border-top:2px solid var(--primary-color);border-radius:50%;margin:0 auto 8px;animation:spin 1s linear infinite}.loading-more{display:flex;flex-direction:column;align-items:center;padding:10px;color:var(--text-secondary);font-size:14px}.error-message{color:#d32f2f;border-left:4px solid #d32f2f}.error-message button{background-color:#d32f2f;color:#fff;border:none;padding:8px 16px;border-radius:4px;margin-top:10px;cursor:pointer}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (max-width: 768px){.feed{padding:10px;gap:10px}.loading,.error-message{padding:15px;margin:10px 0}.spinner{width:30px;height:30px}}@media (max-width: 480px){.feed{padding:8px;gap:8px}.app-content{-webkit-overflow-scrolling:touch;scroll-behavior:smooth}.app-content{padding-bottom:60px}}