:root{--font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif}.light{--page-bg: #f0f2f5;--panel-bg: #ffffff;--card-bg: #ffffff;--text-primary: #1c1e21;--text-secondary: #606770;--qr-container-bg: #f0f2f5;--button-bg: #00BF63;--button-text: #ffffff;--shadow: 0 4px 12px rgba(0, 0, 0, .1)}.dark{--page-bg: #121212;--panel-bg: #1e1e1e;--card-bg: #2a2a2a;--text-primary: #e0e0e0;--text-secondary: #a0a0a0;--qr-container-bg: #3c3c3c;--button-bg: #00BF63;--button-text: #ffffff;--shadow: 0 4px 12px rgba(0, 0, 0, .4)}.page{display:flex;width:100vw;height:100vh;font-family:var(--font-family);background-color:var(--page-bg);color:var(--text-primary);transition:background-color .3s,color .3s}.leftPanel,.rightPanel{flex:1;display:flex;align-items:center;justify-content:center;padding:40px;transition:background-color .3s}.leftPanel{background-color:var(--panel-bg)}.presentationContent{max-width:450px}.logo{width:250px;height:auto;margin-bottom:24px}.title{font-size:48px;font-weight:700;color:var(--text-primary);margin-bottom:16px}.subtitle{font-size:20px;color:var(--text-secondary);line-height:1.5;margin-bottom:32px}.featureList{list-style:none;padding:0;margin:0}.featureItem{display:flex;align-items:center;font-size:16px;color:var(--text-primary);margin-bottom:20px}.featureItem svg{margin-right:16px;color:var(--button-bg)}.qrCard{background-color:var(--card-bg);padding:32px 40px;border-radius:12px;box-shadow:var(--shadow);text-align:center;width:100%;max-width:400px;transition:background-color .3s}.qrInstructions{color:var(--text-secondary);margin-bottom:24px}.qrCodeContainer{width:288px;height:288px;margin:0 auto 24px;display:flex;align-items:center;justify-content:center;border-radius:8px;background-color:var(--qr-container-bg);transition:background-color .3s}.qrPlaceholder{font-weight:500;color:var(--text-secondary)}.timer{color:var(--text-secondary);font-size:14px}.statusText{margin-top:16px;font-size:14px;color:#dc3545;min-height:20px}.refreshButton{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border:none;border-radius:6px;background-color:var(--button-bg);color:var(--button-text);font-size:16px;font-weight:600;cursor:pointer;transition:background-color .2s}.refreshButton:hover{filter:brightness(1.1)}.settingsControls{position:absolute;top:20px;right:20px;display:flex;gap:10px;align-items:center}.settingsControls select,.settingsControls button{background-color:var(--card-bg);color:var(--text-secondary);border:1px solid var(--qr-container-bg);padding:8px 12px;border-radius:6px;cursor:pointer;font-size:14px}.authSuccess{text-align:center;color:var(--text-primary)}.splash-container{display:flex;flex-direction:column;justify-content:center;align-items:center;width:100vw;height:100vh;background-color:var(--page-bg);animation:fadeIn .8s ease-in-out}.splash-logo{width:250px;animation:float 4s infinite ease-in-out}.loading-dots{display:flex;align-items:center;justify-content:center;margin-top:40px}.loading-dots div{width:12px;height:12px;margin:0 6px;background-color:var(--button-bg);border-radius:50%;animation:bounce 1.4s infinite ease-in-out both}.loading-dots div:nth-child(1){animation-delay:-.32s}.loading-dots div:nth-child(2){animation-delay:-.16s}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-15px)}to{transform:translateY(0)}}@keyframes bounce{0%,80%,to{transform:scale(0)}40%{transform:scale(1)}}.spinner{display:none}.app-header{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;padding:0 16px;height:53px;background-color:rgba(var(--background-primary-rgb, 247, 249, 249),.8);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--border-primary)}[data-theme=dark] .app-header{background-color:rgba(var(--background-primary-rgb, 0, 0, 0),.8)}.header-logo img{height:50px}.header-actions{display:flex;gap:8px}.action-icon-button{background:none;border:none;cursor:pointer;padding:8px;border-radius:var(--border-radius-full);display:flex;align-items:center;justify-content:center;color:var(--text-primary)}.action-icon-button:hover{background-color:var(--background-hover)}.left-sidebar,.right-sidebar{position:sticky;top:0;height:100vh;padding-top:12px}.left-sidebar{display:flex;flex-direction:column;justify-content:space-between;padding-right:8px}.nav-list{list-style:none;padding:0;margin:0}.nav-item a{display:flex;align-items:center;gap:20px;padding:12px;border-radius:var(--border-radius-full);font-size:20px;text-decoration:none;color:var(--text-primary);transition:background-color .2s}.nav-item a:hover{background-color:var(--background-hover)}.nav-item a.active{font-weight:700}.nav-item svg{width:26px;height:26px}.user-profile-widget{display:flex;align-items:center;padding:12px;margin-bottom:12px;border-radius:var(--border-radius-full);cursor:pointer;transition:background-color .2s}.user-profile-widget:hover{background-color:var(--background-hover)}.user-avatar-small{width:40px;height:40px;border-radius:var(--border-radius-full);margin-right:12px;object-fit:cover}.user-info{display:flex;flex-direction:column;flex-grow:1;text-align:left}.user-info strong{font-weight:700}.user-info span{color:var(--text-secondary)}.logout-button-icon{background:none;border:none;color:var(--text-primary);cursor:pointer;padding:8px}.sidebar-widget{background-color:var(--background-tertiary);border-radius:var(--border-radius);padding:16px}.sidebar-widget h3{font-size:20px;margin-top:0}.user-suggestion{display:flex;align-items:center;gap:12px;padding:8px 0}.user-suggestion img{width:48px;height:48px;border-radius:var(--border-radius-full);object-fit:cover}.user-suggestion .follow-button{background-color:var(--text-primary);color:var(--background-primary);border:none;padding:8px 16px;border-radius:var(--border-radius-full);font-weight:700;cursor:pointer;margin-left:auto}.feed-column{border-left:1px solid var(--border-primary);border-right:1px solid var(--border-primary)}.create-post-card{padding:16px;border-bottom:1px solid var(--border-primary);display:flex;gap:12px}.create-post-textarea{width:100%;background:none;border:none;resize:none;font-size:20px;color:var(--text-primary);font-family:inherit;min-height:50px;padding-top:8px}.create-post-textarea:focus{outline:none}.create-post-actions{display:flex;justify-content:flex-end;margin-top:12px}.submit-post-button{background-color:var(--accent-primary);color:#fff;border:none;padding:10px 20px;border-radius:var(--border-radius-full);font-size:15px;font-weight:700;cursor:pointer;transition:background-color .2s}.submit-post-button:hover{background-color:var(--accent-primary-hover)}.submit-post-button:disabled{opacity:.5;cursor:not-allowed}.feed-tabs{display:flex;border-bottom:1px solid var(--border-primary);position:sticky;top:53px;background-color:rgba(var(--background-primary-rgb, 247, 249, 249),.8);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);z-index:9}[data-theme=dark] .feed-tabs{background-color:rgba(var(--background-primary-rgb, 0, 0, 0),.8)}.tab-button{flex:1;padding:16px;font-size:15px;font-weight:500;background:none;border:none;color:var(--text-secondary);cursor:pointer;transition:background-color .2s;position:relative}.tab-button:hover{background-color:var(--background-hover)}.tab-button.active{font-weight:700;color:var(--text-primary)}.tab-button.active:after{content:"";position:absolute;bottom:0;left:50%;transform:translate(-50%);width:56px;height:4px;background-color:var(--accent-primary);border-radius:2px}.post-card{padding:16px;border-bottom:1px solid var(--border-primary);transition:background-color .2s}.post-card:hover{background-color:var(--background-hover)}.repost-info{display:flex;align-items:center;gap:8px;color:var(--text-secondary);font-size:14px;margin-bottom:8px;font-weight:700}.repost-info .post-icon{width:16px;height:16px}.post-header{display:flex;gap:12px;margin-bottom:8px}.author-avatar{width:48px;height:48px;border-radius:var(--border-radius-full);object-fit:cover}.author-info{display:flex;align-items:center;gap:8px}.author-name{font-weight:700}.post-time{color:var(--text-secondary);font-size:15px}.post-caption{font-size:15px;line-height:1.5;white-space:pre-wrap;word-wrap:break-word;margin:8px 0 0}.post-image,.post-audio-player{width:100%;border-radius:var(--border-radius);margin-top:12px}.post-image{max-height:500px;object-fit:cover;border:1px solid var(--border-primary)}.post-audio-player{height:54px}.post-actions{display:flex;justify-content:space-around;margin-top:12px}.post-action-button{display:flex;align-items:center;gap:12px;background:none;border:none;color:var(--text-secondary);font-size:14px;cursor:pointer;padding:8px;border-radius:var(--border-radius-full);transition:color .2s}.post-icon{width:20px;height:20px;fill:currentColor}.reaction-container{position:relative;display:flex;justify-content:center;align-items:center}.reaction-palette{position:absolute;bottom:100%;margin-bottom:10px;background-color:var(--background-secondary);border:1px solid var(--border-primary);border-radius:var(--border-radius-full);box-shadow:var(--shadow-md);display:flex;padding:4px;animation:float-up .2s ease-out;z-index:10}@keyframes float-up{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.reaction-emoji-button{background:none;border:none;cursor:pointer;font-size:24px;padding:6px;border-radius:50%;transition:transform .1s ease-out,background-color .2s}.reaction-emoji-button:hover{transform:scale(1.3);background-color:var(--background-hover)}.reaction-emoji-main{font-size:20px;line-height:1}.post-action-button.reacted[data-reaction-type=like]{color:var(--text-accent)}.post-action-button.reacted[data-reaction-type=love]{color:var(--accent-like)}.post-action-button.reacted[data-reaction-type=laugh]{color:#f5c518}.post-action-button.reacted[data-reaction-type=sad]{color:#64b5f6}.post-action-button.reacted[data-reaction-type=angry]{color:#e53935}.reaction-previews{display:flex;align-items:center;gap:8px;padding:8px 0;margin-top:8px;border-top:1px solid var(--border-primary)}.face-pile{display:flex}.reaction-preview-avatar{width:24px;height:24px;border-radius:50%;border:2px solid var(--background-secondary);object-fit:cover}.reaction-preview-avatar:not(:first-child){margin-left:-8px}.reaction-previews-text{font-size:14px;color:var(--text-secondary)}:root,[data-theme=light]{--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--background-primary: #f7f9f9;--background-secondary: #ffffff;--background-tertiary: #eff3f4;--background-hover: rgba(0, 0, 0, .03);--border-primary: #eff3f4;--text-primary: #0f1419;--text-secondary: #536471;--accent-primary: #1d9bf0;--accent-primary-hover: #1a8cd8;--accent-like: #f91880;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 12px rgba(0, 0, 0, .1);--border-radius: 16px;--border-radius-sm: 8px;--border-radius-full: 9999px}[data-theme=dark]{--background-primary: #000000;--background-secondary: #15181c;--background-tertiary: #202327;--background-hover: rgba(255, 255, 255, .03);--border-primary: #2f3336;--text-primary: #d9d9d9;--text-secondary: #6e767d}body{margin:0;background-color:var(--background-primary);color:var(--text-primary);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.chat-page-layout{display:grid;grid-template-columns:320px 1fr;height:calc(100vh - 53px);width:100%}.conversation-list-container{display:flex;flex-direction:column;background-color:var(--background-secondary);border-right:1px solid var(--border-primary);height:100%}.conversation-list-header{padding:16px;font-size:20px;font-weight:700;border-bottom:1px solid var(--border-primary)}.conversations-scroll-area{flex-grow:1;overflow-y:auto}.conversation-item{display:flex;align-items:center;gap:12px;padding:12px 16px;cursor:pointer;transition:background-color .2s;border-left:3px solid transparent}.conversation-item:hover{background-color:var(--background-hover)}.conversation-item.active{background-color:var(--background-tertiary);border-left-color:var(--accent-primary)}.conversation-avatar{width:52px;height:52px;border-radius:50%;object-fit:cover}.conversation-details{flex-grow:1;overflow:hidden}.conversation-name{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.conversation-last-message{color:var(--text-secondary);font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-window-container{display:flex;flex-direction:column;height:100%;background-color:var(--background-primary)}.chat-window-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;color:var(--text-secondary);text-align:center}.chat-window-placeholder svg{width:80px;height:80px;margin-bottom:16px}.chat-window-header{display:flex;align-items:center;gap:12px;padding:10px 20px;background-color:var(--background-secondary);border-bottom:1px solid var(--border-primary)}.chat-window-header-avatar{width:40px;height:40px;border-radius:50%;object-fit:cover}.chat-window-header-name{font-size:16px;font-weight:700}.message-list{flex-grow:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:12px}.message-bubble{max-width:70%;padding:10px 16px;border-radius:20px;line-height:1.5;position:relative}.message-bubble.own{background-color:var(--accent-primary);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}.message-bubble.other{background-color:var(--background-tertiary);color:var(--text-primary);align-self:flex-start;border-bottom-left-radius:4px}.message-timestamp{display:block;font-size:12px;color:var(--text-secondary);margin-top:4px;text-align:right}.message-bubble.own .message-timestamp{color:#ffffffb3}.message-input-container{display:flex;align-items:center;gap:12px;padding:12px 20px;background-color:var(--background-secondary);border-top:1px solid var(--border-primary)}.message-input-field{flex-grow:1;background-color:var(--background-tertiary);border:none;border-radius:20px;padding:10px 16px;font-family:inherit;font-size:15px;color:var(--text-primary);resize:none}.message-input-field:focus{outline:none;box-shadow:0 0 0 2px var(--accent-primary)}.message-send-button{background-color:var(--accent-primary);border:none;border-radius:50%;width:44px;height:44px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:#fff}.message-send-button svg{width:24px;height:24px}.app-layout{display:flex;justify-content:center}.main-container{display:grid;grid-template-columns:275px minmax(0,600px) 350px;gap:30px;width:100%;max-width:1280px;padding:0 10px}