blog/themes/Ying/layouts/_default/circles.html

{{ define "main" }}
<div id="pjax-container">
    <div class="post-content" itemprop="articleBody">
        {{ .Content }}
        <div id="friend-circle-container" class="friend-circle-list">
            <div class="loading-container">
                <div class="loading-spinner"></div>
                <p>正在探索朋友们的新动态...</p>
            </div>
        </div>
    </div>
    
    <style>
        /* Container Layout */
        .friend-circle-list { 
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px; /* Tighter gap to make cards wider */
            margin-top: 20px;
            padding: 0; /* Remove padding to maximize width */
            width: 100%;
        }

        /* Mobile Layout */
        @media (max-width: 768px) {
            .friend-circle-list {
                grid-template-columns: 1fr;
                gap: 10px;
            }
        }

        /* Card Style - Refined based on User Request */
        .fc-item { 
            display: flex; 
            flex-direction: column; 
            padding: 20px; 
            border-radius: 10px; 
            position: relative; 
            height: 160px; 
            justify-content: space-between; 
            background: rgba(255, 255, 255, 0.4); 
            backdrop-filter: blur(16px) saturate(180%); 
            -webkit-backdrop-filter: blur(16px) saturate(180%); 
            border: 1px solid #111827; 
            box-shadow: none; 
            transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1); 
            overflow: hidden; 
            opacity: 0; 
            animation: ukFadeInUp 0.8s cubic-bezier(0.165, 0.84, 0.44, 1) forwards; 
            text-decoration: none; 
        }

        /* Light Mode Override - if theme is light, keep it readable but consistent layout */
        /* Assuming the user wants the dark look as shown in the reference, we prioritize that feel 
           or make it adapt. Let's make it adapt but keep the structure. */
        :root {
            /* --fc-bg: rgba(255, 255, 255, 0.8); */
            --fc-text: #333;
            --fc-meta-bg: rgba(0, 0, 0, 0.05);
            /* --fc-border: rgba(0, 0, 0, 0.05); */
        }
        
        [data-theme="dark"] {
            /* --fc-bg: rgba(35, 35, 35, 0.8); */
            --fc-text: #fff;
            --fc-meta-bg: rgba(255, 255, 255, 0.1);
            /* --fc-border: rgba(255, 255, 255, 0.1); */
        }

        /* 
        .fc-item {
            background: var(--fc-bg);
            border-color: var(--fc-border);
        } 
        */

        /* UK Style Animation & Hover */
        .fc-item:hover { 
            transform: translateY(-8px) scale(1.02);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
            background: rgba(255, 255, 255, 0.6);
            border-color: #000;
            z-index: 10;
        }

        @keyframes ukFadeInUp {
            0% {
                opacity: 0;
                transform: translateY(40px) scale(0.95);
            }
            100% {
                opacity: 1;
                transform: translateY(0) scale(1);
            }
        }

        /* Top: Title */
        .fc-title { 
            font-size: 18px; 
            font-weight: 700; 
            color: var(--fc-text); 
            text-decoration: none; 
            line-height: 1.4;
            z-index: 2;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-right: 60px; /* Space for the image */
        }
        
        .fc-item:hover .fc-title {
            color: #3498db;
        }

        /* Background Image (Decorative) */
        .fc-bg-image {
            position: absolute;
            right: -20px;
            bottom: -20px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            object-fit: cover;
            opacity: 0.15;
            transition: all 0.5s ease;
            z-index: 0;
            pointer-events: none;
            filter: grayscale(20%);
        }

        .fc-item:hover .fc-bg-image {
            opacity: 0.3;
            transform: scale(1.1) rotate(5deg);
            filter: grayscale(0%);
        }

        /* Bottom Row: Author Pill & Date */
        .fc-bottom {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            z-index: 2;
        }

        /* Author Pill */
        .fc-author-pill {
            display: flex;
            align-items: center;
            background: var(--fc-meta-bg);
            padding: 4px 10px 4px 4px;
            border-radius: 20px;
            transition: background 0.3s;
        }
        
        .fc-item:hover .fc-author-pill {
            background: rgba(52, 152, 219, 0.1);
        }

        .fc-avatar { 
            width: 28px; 
            height: 28px; 
            border-radius: 50%; 
            object-fit: cover; 
            margin-right: 8px;
            border: 1px solid rgba(255,255,255,0.2);
        }

        .fc-author-name {
            font-size: 13px;
            font-weight: 600;
            color: var(--fc-text);
            opacity: 0.9;
        }

        /* Date */
        .fc-date {
            font-size: 12px;
            color: var(--fc-text);
            opacity: 0.6;
            display: flex;
            align-items: center;
        }
        
        .fc-date i {
            margin-right: 4px;
            font-size: 11px;
        }
        
        /* FontAwesome fallback if not available, simple calendar icon via CSS or Unicode */
        .fc-icon-calendar::before {
            content: '\f133';
            font-family: "Font Awesome 5 Free", "FontAwesome";
            font-weight: 900;
        }

        /* Loading Animation */
        .loading-container {
            grid-column: 1 / -1;
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 60px;
            color: #888;
        }
        
        .loading-spinner {
            width: 40px;
            height: 40px;
            border: 3px solid rgba(127,127,127,0.2);
            border-radius: 50%;
            border-top-color: #3498db;
            animation: spin 1s ease-in-out infinite;
            margin-bottom: 15px;
        }
        
        /* Dark Mode Specific Adjustments to match the reference exactly */
        [data-theme="dark"] .fc-item {
            background: rgba(35, 35, 35, 0.65); /* More transparent for glass effect */
            box-shadow: none;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        [data-theme="dark"] .fc-author-pill {
            background: #1a1a1a;
            border: 1px solid #333;
        }

        [data-theme="dark"] .fc-bg-image {
            opacity: 0.2;
        }

        /* Removed unused fadeInUp to keep clean, utilizing ukFadeInUp instead */
        
        @keyframes spin {
            to { transform: rotate(360deg); }
        }
        /* Load More Button */
        .fc-load-more-btn {
            grid-column: 1 / -1;
            padding: 12px 30px;
            margin: 30px auto 10px;
            background: #000; /* Black background */
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: 30px;
            color: #fff;
            cursor: pointer;
            font-size: 14px;
            transition: all 0.3s ease;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }

        .fc-load-more-btn:hover {
            background: #333;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
        }

        [data-theme="dark"] .fc-load-more-btn {
            background: #000;
            border-color: rgba(255, 255, 255, 0.2);
        }
        
        [data-theme="dark"] .fc-load-more-btn:hover {
            background: #222;
        }

        /* Artalk Dark Mode Adjustment */
        [data-theme="dark"] .artalk .atk-main-editor {
            border: 1px solid rgba(255, 255, 255, 0.1) !important;
        }
    </style>

    <script>
        function timeAgo(dateStr) {
            const date = new Date(dateStr);
            const year = date.getFullYear();
            const month = String(date.getMonth() + 1).padStart(2, '0');
            const day = String(date.getDate()).padStart(2, '0');
            return `${year}-${month}-${day}`;
        }

        let allPosts = [];
        let currentIndex = 0;
        const BATCH_SIZE = 10;

        function renderPosts(posts) {
            const container = document.getElementById('friend-circle-container');
            // Check if button exists, if so, remove it temporarily to append items before it?
            // Or just insertAdjacentHTML 'beforeend' and then append button.
            
            // Remove existing button if any
            const existingBtn = document.getElementById('fc-load-more-btn');
            if (existingBtn) existingBtn.remove();

            let html = '';
            posts.forEach((post, index) => {
                const dateStr = timeAgo(post.date);
                // Stagger delay based on index in this batch
                const delay = index * 0.05;
                
                const bgImageSrc = post.image || post.avatar;
                
                html += `
                    <a href="${post.link}" target="_blank" class="fc-item" style="animation-delay: ${delay}s">
                        <div class="fc-title" title="${post.title}">${post.title}</div>
                        
                        <img src="${bgImageSrc}" class="fc-bg-image" loading="lazy" onerror="this.style.opacity=0">
                        
                        <div class="fc-bottom">
                            <div class="fc-author-pill">
                                <img src="${post.avatar}" class="fc-avatar" loading="lazy" onerror="this.src='https://cravatar.cn/avatar/default?s=50'">
                                <span class="fc-author-name">${post.author}</span>
                            </div>
                            <div class="fc-date">
                                <i class="ri-calendar-line"></i> ${dateStr}
                            </div>
                        </div>
                    </a>
                `;
            });

            container.insertAdjacentHTML('beforeend', html);

            // Check if we need a load more button
            if (currentIndex < allPosts.length) {
                const btn = document.createElement('button');
                btn.id = 'fc-load-more-btn';
                btn.className = 'fc-load-more-btn';
                btn.innerText = '加载更多';
                btn.onclick = loadMore;
                container.appendChild(btn);
            } else {
                 // Add update time footer if all loaded
                 // We need to retrieve updateTime from somewhere, or just don't show it repeatedly.
                 // Let's store updateTime globally or just append it at the very end.
                 if (window.fcUpdateTime) {
                     const footer = document.createElement('div');
                     footer.style.cssText = "grid-column: 1 / -1; text-align: center; margin-top: 20px; font-size: 12px; color: #999; opacity: 0.6;";
                     footer.innerText = `最近更新: ${window.fcUpdateTime}`;
                     container.appendChild(footer);
                 }
            }
        }

        function loadMore() {
            const nextBatch = allPosts.slice(currentIndex, currentIndex + BATCH_SIZE);
            currentIndex += BATCH_SIZE;
            renderPosts(nextBatch);
        }

        function loadFriendCircle() {
            const container = document.getElementById('friend-circle-container');
            if (!container) return; // Prevent errors if container not found

            // Reset state if needed, though loadMore will handle rendering
            // But we need to make sure we don't re-fetch if we don't have to? 
            // Actually PJAX reload means we are on a "new" page state, so re-fetching is safer to ensure data is fresh and DOM is rebuilt.
            
            fetch('/json/friend_circle_data.json?t=' + new Date().getTime())
                .then(res => {
                    if (!res.ok) throw new Error('Network response was not ok');
                    return res.json();
                })
                .then(data => {
                    if (!data.posts || data.posts.length === 0) {
                        container.innerHTML = '<div class="empty" style="grid-column: 1/-1; text-align:center; padding:20px;">暂无动态</div>';
                        return;
                    }
                    
                    allPosts = data.posts;
                    window.fcUpdateTime = new Date(data.updated).toLocaleString();
                    currentIndex = 0;
                    
                    // Clear loading spinner
                    container.innerHTML = '';
                    
                    loadMore(); // Load first batch
                })
                .catch(err => {
                    console.error('Friend Circle Error:', err);
                    container.innerHTML = '<div class="error" style="grid-column: 1/-1; text-align:center; padding:20px; color:#d9534f;">加载失败，请稍后刷新重试</div>';
                });
        }

        // Initial load
        document.addEventListener('DOMContentLoaded', loadFriendCircle);
        
        // PJAX support - listen for pjax:complete event
        document.addEventListener('pjax:complete', loadFriendCircle);

        if (document.readyState === 'interactive' || document.readyState === 'complete') {
            loadFriendCircle();
        }
    </script>
</div>
{{ end }}