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var(--transition-fast)}.user-list-item:hover{background:var(--color-surface-hover)}.user-list-info{display:flex;flex-direction:column}.user-list-name{font-weight:600}.user-list-username{font-size:var(--font-size-sm);color:var(--color-text-muted)}.search-page h1{font-size:var(--font-size-2xl);margin-bottom:var(--spacing-lg)}.search-form{display:flex;gap:var(--spacing-md);margin-bottom:var(--spacing-xl)}.search-input{flex:1;padding:var(--spacing-md) var(--spacing-lg);font-size:var(--font-size-base);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-full);color:var(--color-text)}.search-input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #667eea33}.search-section{margin-bottom:var(--spacing-xl)}.search-section h2{font-size:var(--font-size-lg);margin-bottom:var(--spacing-md);color:var(--color-text-secondary)}.user-results{display:flex;flex-direction:column;gap:var(--spacing-sm)}.user-result{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-md);background:var(--color-surface);border-radius:var(--radius-lg);border:1px solid var(--color-border);transition:all var(--transition-fast)}.user-result:hover{border-color:var(--color-border-light);background:var(--color-surface-hover)}.user-result-info{display:flex;flex-direction:column}.user-result-name{font-weight:600;color:var(--color-text)}.user-result-username{font-size:var(--font-size-sm);color:var(--color-text-muted)}.bookmarks-page h1{font-size:var(--font-size-2xl);margin-bottom:var(--spacing-lg)}.no-bookmarks{text-align:center;padding:var(--spacing-2xl);color:var(--color-text-muted)}.bookmarks-list{display:flex;flex-direction:column;gap:var(--spacing-md)}.notifications-page h1{font-size:var(--font-size-2xl);margin-bottom:var(--spacing-lg)}.notifications-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-lg)}.notifications-list{display:flex;flex-direction:column;gap:var(--spacing-sm)}.notification-item{display:flex;align-items:flex-start;gap:var(--spacing-md);padding:var(--spacing-md);background:var(--color-surface);border-radius:var(--radius-lg);border:1px solid var(--color-border);cursor:pointer;transition:all var(--transition-fast)}.notification-item:hover{border-color:var(--color-border-light)}.notification-item.unread{background:linear-gradient(135deg,#667eea0d,#764ba20d);border-color:var(--color-primary)}.notification-icon{font-size:1.5rem;flex-shrink:0}.notification-content{flex:1;min-width:0}.notification-text{margin-bottom:var(--spacing-xs)}.notification-actor{font-weight:600;color:var(--color-primary-light)}.notification-post-preview{font-size:var(--font-size-sm);color:var(--color-text-muted);margin:var(--spacing-xs) 0}.notification-time{font-size:var(--font-size-xs);color:var(--color-text-muted)}.notification-unread-dot{width:8px;height:8px;background:var(--color-primary);border-radius:50%;flex-shrink:0}.no-notifications{text-align:center;padding:var(--spacing-2xl);color:var(--color-text-muted)}.trending-page h1{font-size:var(--font-size-2xl);margin-bottom:var(--spacing-lg)}.trending-section{margin-bottom:var(--spacing-xl)}.trending-section h2{font-size:var(--font-size-lg);margin-bottom:var(--spacing-md);color:var(--color-text-secondary)}.trending-hashtags{display:flex;flex-direction:column;gap:var(--spacing-sm)}.trending-hashtag{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-md);background:var(--color-surface);border-radius:var(--radius-lg);border:1px solid var(--color-border);cursor:pointer;transition:all var(--transition-fast)}.trending-hashtag:hover{border-color:var(--color-primary);background:var(--color-surface-hover)}.trending-rank{font-weight:700;color:var(--color-text-muted);width:24px}.trending-tag{flex:1;font-weight:600;color:var(--color-primary-light)}.trending-count{font-size:var(--font-size-sm);color:var(--color-text-muted)}.no-trending{text-align:center;padding:var(--spacing-2xl);color:var(--color-text-muted)}.settings-page h1{font-size:var(--font-size-2xl);margin-bottom:var(--spacing-xl)}.settings-section{background:var(--color-surface);border-radius:var(--radius-lg);border:1px 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var(--color-border);padding-bottom:var(--spacing-sm)}.admin-tabs .tab{padding:var(--spacing-sm) var(--spacing-md);background:none;border:none;color:var(--color-text-secondary);cursor:pointer;font-size:var(--font-size-base);border-radius:var(--radius-md);transition:all var(--transition-fast)}.admin-tabs .tab:hover{background:var(--color-surface-hover)}.admin-tabs .tab.active{background:var(--color-primary);color:#fff}.admin-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--spacing-md)}.stat-card{background:var(--color-surface);border:1px solid 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var(--color-success)}.report-card.dismissed{opacity:.6}.report-header{display:flex;justify-content:space-between;margin-bottom:var(--spacing-sm)}.report-type{font-weight:600}.report-reason{margin:var(--spacing-sm) 0}.report-meta{display:flex;gap:var(--spacing-md);font-size:var(--font-size-sm);color:var(--color-text-muted)}.report-actions{display:flex;gap:var(--spacing-sm);margin-top:var(--spacing-sm)}.no-reports{text-align:center;color:var(--color-text-muted);padding:var(--spacing-xl)}.ai-chat-widget{position:fixed;bottom:20px;right:20px;z-index:1000}.ai-chat-toggle{width:56px;height:56px;border-radius:50%;background:var(--color-gradient);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:24px;box-shadow:var(--shadow-lg);transition:transform var(--transition-fast)}.ai-chat-toggle:hover{transform:scale(1.1)}.ai-chat-panel{position:absolute;bottom:70px;right:0;width:350px;height:450px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);display:flex;flex-direction:column;box-shadow:var(--shadow-lg)}.ai-chat-header{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-md);border-bottom:1px solid var(--color-border)}.ai-chat-header h3{margin:0;font-size:var(--font-size-base)}.ai-chat-close{background:none;border:none;font-size:20px;cursor:pointer;color:var(--color-text-muted)}.ai-chat-messages{flex:1;overflow-y:auto;padding:var(--spacing-md);display:flex;flex-direction:column;gap:var(--spacing-sm)}.ai-message{max-width:85%;padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-lg);font-size:var(--font-size-sm)}.ai-message.user{align-self:flex-end;background:var(--color-primary);color:#fff}.ai-message.assistant{align-self:flex-start;background:var(--color-bg-secondary)}.ai-chat-input{display:flex;gap:var(--spacing-sm);padding:var(--spacing-md);border-top:1px solid var(--color-border)}.ai-chat-input input{flex:1;padding:var(--spacing-sm);border:1px solid var(--color-border);border-radius:var(--radius-full);background:var(--color-bg-secondary);color:var(--color-text)}.ai-chat-input button{padding:var(--spacing-sm) var(--spacing-md);background:var(--color-gradient);border:none;border-radius:var(--radius-full);color:#fff;cursor:pointer}@media (max-width: 640px){.header-container{padding:var(--spacing-md)}.profile-info{flex-direction:column;align-items:center;text-align:center}.profile-details{padding-top:var(--spacing-md)}.profile-actions{padding-top:0;width:100%}.profile-actions .btn{width:100%}.page-header{flex-direction:column;gap:var(--spacing-md);align-items:flex-start}}@media (max-width: 768px){.page-header{flex-direction:column;align-items:flex-start;gap:var(--spacing-sm)}.filter-tabs{width:100%}.filter-tab{flex:1}.post-card{padding:var(--spacing-md)}.post-actions{gap:var(--spacing-xs)}.action-btn{padding:var(--spacing-xs);font-size:var(--font-size-sm)}.settings-section{padding:var(--spacing-md)}.setting-item,.blocked-user-item,.notifications-header{flex-direction:column;align-items:flex-start;gap:var(--spacing-sm)}}@media (max-width: 480px){.container{padding:var(--spacing-sm)}.btn{padding:var(--spacing-xs) var(--spacing-sm);font-size:var(--font-size-sm)}.avatar-xl{width:64px;height:64px;font-size:24px}}.messages-page h1{font-size:var(--font-size-2xl);margin-bottom:var(--spacing-lg)}.messages-container{display:grid;grid-template-columns:280px 1fr;gap:var(--spacing-md);min-height:500px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden}.conversations-list{border-right:1px solid var(--color-border);overflow-y:auto}.conversation-item{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-md);cursor:pointer;border-bottom:1px solid var(--color-border);transition:background .2s}.conversation-item:hover{background:var(--color-surface-hover)}.conversation-item.active{background:#667eea1a;border-left:3px solid var(--color-primary)}.conversation-info{flex:1;min-width:0;display:flex;flex-direction:column}.conversation-name{font-weight:600;font-size:var(--font-size-sm)}.conversation-preview{font-size:var(--font-size-xs);color:var(--color-text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.unread-badge{background:var(--color-primary);color:#fff;font-size:11px;padding:2px 6px;border-radius:10px}.message-thread{display:flex;flex-direction:column;height:100%}.thread-header{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-md);border-bottom:1px solid var(--color-border);font-weight:600}.messages-list{flex:1;padding:var(--spacing-md);overflow-y:auto;display:flex;flex-direction:column;gap:var(--spacing-sm)}.message{display:flex;flex-direction:column;max-width:70%}.message.own{align-self:flex-end}.message-bubble{padding:var(--spacing-sm) var(--spacing-md);background:var(--color-bg-secondary);border-radius:var(--radius-lg);font-size:var(--font-size-sm)}.message.own .message-bubble{background:var(--color-primary);color:#fff}.message-time{font-size:var(--font-size-xs);color:var(--color-text-muted);margin-top:2px}.message.own .message-time{text-align:right}.message-input-form{display:flex;gap:var(--spacing-sm);padding:var(--spacing-md);border-top:1px solid var(--color-border)}.message-input-form input{flex:1;padding:var(--spacing-sm) var(--spacing-md);border:1px solid var(--color-border);border-radius:var(--radius-full);background:var(--color-bg-secondary);color:var(--color-text)}.no-thread-selected,.no-conversations{display:flex;align-items:center;justify-content:center;height:100%;color:var(--color-text-muted)}@media (max-width: 768px){.messages-container{grid-template-columns:1fr}.conversations-list{border-right:none;max-height:200px}}