:root{color-scheme:dark;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.4;--bg: #101010;--card: #181818;--border: #2a2a2a;--text: #f3f5f7;--text-secondary: #777;--accent: #1DA1F2;--like: #ff3040;--repost: #00ba7c;--hover: rgba(255, 255, 255, .04)}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{min-height:100vh;background:var(--bg);color:var(--text)}button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}input,textarea{font:inherit;border:none;background:none;color:inherit;outline:none}textarea{resize:none}.app{max-width:620px;margin:0 auto;min-height:100vh;border-left:1px solid var(--border);border-right:1px solid var(--border)}.feed-header{display:flex;align-items:center;justify-content:space-between;padding:16px 16px 8px;position:sticky;top:0;background:var(--bg);z-index:10}.feed-title{font-size:28px;font-weight:800;letter-spacing:-.03em;position:absolute;left:50%;transform:translate(-50%)}.compose-fab{width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:background .15s}.compose-fab:hover{background:var(--hover)}.feed-tabs{display:flex;border-bottom:1px solid var(--border);position:sticky;top:56px;background:var(--bg);z-index:9}.feed-tab{flex:1;padding:14px 0;font-size:15px;font-weight:600;color:var(--text-secondary);border-bottom:2px solid transparent;transition:color .15s,border-color .15s}.feed-tab.active{color:var(--text);border-bottom-color:var(--text)}.feed-tab:hover{color:var(--text)}.feed-list{display:flex;flex-direction:column}.thread-post{display:flex;gap:12px;padding:16px;border-bottom:1px solid var(--border);cursor:pointer;transition:background .12s;position:relative}.thread-post:hover{background:var(--hover)}.thread-post.is-reply{padding-left:20px}.post-avatar{flex-shrink:0;padding-top:2px}.avatar-click{cursor:pointer;border-radius:50%;overflow:hidden;transition:opacity .15s}.avatar-click:hover{opacity:.85}.reply-line{position:absolute;left:36px;top:56px;bottom:-16px;width:2px;background:var(--border);border-radius:1px}.post-body{flex:1;min-width:0}.post-header{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:2px}.post-author{font-weight:600;font-size:15px;display:flex;align-items:center;gap:4px;cursor:pointer}.post-author:hover{text-decoration:underline}.post-time{font-size:13px;color:var(--text-secondary);flex-shrink:0}.post-content{font-size:15px;line-height:1.5;white-space:pre-wrap;word-break:break-word;margin-bottom:8px}.post-image-wrap{border-radius:12px;overflow:hidden;margin-bottom:10px;border:1px solid var(--border)}.post-image{width:100%;display:block;max-height:400px;object-fit:cover}.post-actions{display:flex;gap:4px;margin-top:4px}.action-btn{display:flex;align-items:center;gap:5px;padding:6px 10px;border-radius:20px;font-size:13px;color:var(--text-secondary);transition:background .12s,color .12s}.action-btn:hover{background:var(--hover);color:var(--text)}.action-btn.large{padding:10px 14px}.action-btn.large svg{width:24px;height:24px}.reply-preview{margin-top:8px}.reply-count{font-size:14px;color:var(--text-secondary);cursor:pointer}.reply-count:hover{text-decoration:underline}.detail-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;position:sticky;top:0;background:var(--bg);z-index:10;border-bottom:1px solid var(--border)}.back-btn{width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:background .15s}.back-btn:hover{background:var(--hover)}.detail-title{font-size:17px;font-weight:700}.detail-post{padding:20px 16px;border-bottom:1px solid var(--border)}.detail-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.detail-user-info{flex:1;margin-left:12px}.detail-author{font-weight:700;font-size:16px;display:flex;align-items:center;gap:4px}.detail-handle{font-size:14px;color:var(--text-secondary)}.detail-content{font-size:16px;line-height:1.55;white-space:pre-wrap;word-break:break-word;margin-bottom:14px}.detail-time{font-size:14px;color:var(--text-secondary);padding-bottom:14px;border-bottom:1px solid var(--border)}.detail-stats{display:flex;gap:16px;padding:14px 0;font-size:14px;color:var(--text-secondary);border-bottom:1px solid var(--border)}.detail-stats strong{color:var(--text)}.detail-actions{display:flex;justify-content:space-around;padding:10px 0;border-bottom:1px solid var(--border)}.reply-compose{display:flex;align-items:center;gap:10px;padding:12px 16px;border-bottom:1px solid var(--border)}.reply-input{flex:1;padding:8px 0;font-size:15px;color:var(--text)}.reply-input::placeholder{color:var(--text-secondary)}.reply-submit{font-size:14px;font-weight:600;color:var(--accent);padding:6px 14px;border-radius:20px;transition:background .15s}.reply-submit:hover:not(:disabled){background:#1da1f21a}.reply-submit:disabled{opacity:.4;cursor:default}.replies-list{display:flex;flex-direction:column}.profile-section{padding:20px 16px;border-bottom:1px solid var(--border)}.profile-top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:12px}.profile-info{flex:1}.profile-name{font-size:22px;font-weight:800;display:flex;align-items:center;gap:6px}.profile-handle{font-size:15px;color:var(--text-secondary)}.profile-bio{font-size:15px;line-height:1.5;margin-bottom:14px}.profile-meta{margin-bottom:16px}.profile-followers{font-size:14px;color:var(--text-secondary)}.follow-btn{width:100%;padding:10px;border-radius:10px;font-size:15px;font-weight:700;background:var(--text);color:var(--bg);transition:opacity .15s}.follow-btn:hover{opacity:.85}.profile-tabs{display:flex;border-bottom:1px solid var(--border)}.empty-state{text-align:center;padding:48px 16px;color:var(--text-secondary);font-size:15px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000a6;z-index:100;display:flex;align-items:flex-start;justify-content:center;padding-top:60px;animation:fadeIn .15s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal{background:var(--card);border-radius:16px;width:100%;max-width:560px;max-height:80vh;overflow:auto;animation:slideUp .2s ease}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--border)}.modal-close{font-size:15px;color:var(--text-secondary)}.modal-title{font-size:17px;font-weight:700}.modal-post-btn{font-size:15px;font-weight:700;color:var(--accent)}.modal-post-btn:disabled{opacity:.4;cursor:default}.modal-reply-context{display:flex;align-items:center;gap:8px;padding:12px 16px;font-size:13px;color:var(--text-secondary);border-bottom:1px solid var(--border)}.reply-ctx-name{font-weight:600;color:var(--text)}.reply-ctx-text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.modal-compose{display:flex;gap:12px;padding:16px}.compose-input-wrap{flex:1;display:flex;flex-direction:column;gap:4px}.compose-handle{font-size:14px;color:var(--text-secondary)}.compose-input{font-size:15px;line-height:1.5;color:var(--text);min-height:100px}.compose-input::placeholder{color:var(--text-secondary)}@media(max-width:620px){.app{border:none}}