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.2s}.theme-toggle:hover{background:var(--bg);color:var(--accent)}.post-card{background:var(--card-bg);border-radius:16px;padding:20px;transition:background .3s}.post-header{align-items:center;gap:12px;margin-bottom:12px;display:flex}.post-header .avatar{color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:42px;height:42px;font-size:16px;font-weight:600;display:flex}.post-meta{flex-direction:column;display:flex}.post-username{color:var(--text-primary);font-size:15px;font-weight:600}.post-time{color:var(--text-secondary);font-size:12px}.post-content{color:var(--text-primary);white-space:pre-line;margin-bottom:12px;font-size:15px;line-height:1.6}.post-images{border-radius:12px;margin-bottom:12px;overflow:hidden}.post-images.grid{grid-template-columns:1fr 1fr;gap:4px;display:grid}.post-image{object-fit:cover;border-radius:12px;width:100%;max-height:400px;display:block}.post-images.grid .post-image{border-radius:4px;max-height:200px}.post-video{border-radius:12px;margin-bottom:12px;overflow:hidden}.post-video video{background:#000;border-radius:12px;width:100%;display:block}.post-tags{flex-wrap:wrap;gap:8px;margin-bottom:14px;display:flex}.tag{color:var(--accent);background:var(--tag-bg);border-radius:20px;padding:4px 10px;font-size:13px}.post-actions{border-top:1px solid var(--border);gap:24px;padding-top:10px;display:flex}.action-btn{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;align-items:center;gap:6px;padding:4px 0;font-size:14px;transition:color .2s;display:flex}.action-btn:hover{color:var(--text-primary)}.like-btn.liked{color:#ff4757}.like-btn.liked svg{filter:drop-shadow(0 0 6px #ff475766)}.comment-section{border-top:1px solid 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14px;font-size:13px;transition:all .2s}.filter-tag.active{background:var(--accent);color:#fff;border-color:var(--accent)}.publish-overlay{z-index:100;background:#00000080;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.publish-modal{background:var(--card-bg);border-radius:20px;width:100%;max-width:520px;max-height:90vh;padding:24px;overflow-y:auto}.publish-header{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.publish-header h3{color:var(--text-primary);font-size:18px}.publish-close{background:var(--bg);width:32px;height:32px;color:var(--text-secondary);cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;font-size:16px;display:flex}.publish-textarea{background:var(--bg);border:1px solid 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