.skeleton { background: linear-gradient(90deg, var(--input-bg) 25%, var(--border-color) 50%, var(--input-bg) 75%); background-size: 200% 100%; animation: loading 1.5s infinite; border-radius: 4px; }
        @keyframes loading { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }
        .sk-post { padding: 16px; display: flex; border-bottom: 1px solid var(--border-color); }
        .sk-avatar { width: 40px; height: 40px; border-radius: 50%; margin-right: 12px; }
        .sk-body { flex: 1; }
        .sk-line { height: 16px; margin-bottom: 8px; width: 100%; }
        .sk-line.short { width: 60%; }
        .sk-img { height: 150px; width: 100%; margin-top: 10px; border-radius: 16px; }
        .hidden { display: none !important; }