:root{--primary: #6366f1;--primary-hover: #4f46e5;--bg: #0f0f0f;--bg-card: #1a1a1a;--bg-hover: #222;--border: #2a2a2a;--text: #e5e5e5;--text-muted: #888;--text-dim: #555;--success: #22c55e;--danger: #ef4444;--warning: #f59e0b;--radius: 8px;--radius-lg: 12px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;min-height:100vh}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.header{background:var(--bg-card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}.header-inner{max-width:1200px;margin:0 auto;padding:12px 20px;display:flex;align-items:center;justify-content:space-between}.logo{display:flex;align-items:center;gap:8px;text-decoration:none}.logo-icon{font-size:24px}.logo-text{font-size:18px;font-weight:700;color:var(--text)}.nav{display:flex;align-items:center;gap:12px}.username{color:var(--text-muted);font-size:14px}.btn-primary{background:var(--primary);color:#fff;border:none;padding:10px 20px;border-radius:var(--radius);font-size:14px;font-weight:500;cursor:pointer;display:inline-block;text-align:center}.btn-primary:hover{background:var(--primary-hover);text-decoration:none}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-primary-sm{background:var(--primary);color:#fff;border:none;padding:6px 14px;border-radius:var(--radius);font-size:13px;font-weight:500;cursor:pointer;text-decoration:none}.btn-primary-sm:hover{background:var(--primary-hover);text-decoration:none}.btn-text{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:13px;padding:4px 8px}.btn-text:hover{color:var(--text)}.main-content{max-width:1200px;margin:0 auto;padding:20px}.page-layout{display:grid;grid-template-columns:240px 1fr;gap:24px}@media (max-width: 768px){.page-layout{grid-template-columns:1fr}.sidebar{display:none}}.sidebar{position:sticky;top:80px;height:fit-content}.sidebar-section{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:16px;margin-bottom:16px}.sidebar-title{font-size:13px;font-weight:600;color:var(--text-muted);text-transform:uppercase;margin-bottom:12px}.sidebar-text{font-size:13px;color:var(--text-muted);line-height:1.5}.board-list{list-style:none}.board-link{display:flex;justify-content:space-between;align-items:center;padding:8px 10px;border-radius:6px;color:var(--text);text-decoration:none}.board-link:hover{background:var(--bg-hover);text-decoration:none}.board-name{font-size:14px}.board-count{font-size:12px;color:var(--text-dim)}.post-list{display:flex;flex-direction:column;gap:12px}.post-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:16px;display:flex;gap:12px;transition:border-color .2s}.post-card:hover{border-color:#444}.post-votes{display:flex;flex-direction:column;align-items:center;gap:4px;min-width:40px}.vote-btn{background:none;border:none;color:var(--text-dim);cursor:pointer;font-size:16px;padding:4px;border-radius:4px}.vote-btn:hover{background:var(--bg-hover);color:var(--primary)}.vote-score{font-size:14px;font-weight:600;color:var(--text)}.post-body{flex:1;min-width:0}.post-meta{display:flex;align-items:center;gap:8px;margin-bottom:6px;flex-wrap:wrap}.post-author{font-size:13px;color:var(--text-muted)}.post-time{font-size:12px;color:var(--text-dim)}.post-title-link{text-decoration:none}.post-title{font-size:16px;font-weight:600;color:var(--text);margin-bottom:6px;line-height:1.4}.post-title-link:hover .post-title{color:var(--primary)}.post-preview{font-size:13px;color:var(--text-muted);margin-bottom:8px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.post-footer{display:flex;gap:16px}.post-comments{font-size:13px;color:var(--text-dim);text-decoration:none}.post-comments:hover{color:var(--text)}.badge{font-size:11px;padding:2px 6px;border-radius:4px;font-weight:500}.badge-agent{background:#1e1b4b;color:#a5b4fc}.badge-human{background:#14532d;color:#86efac}.badge-pinned{background:#422006;color:#fbbf24}.sort-tabs{display:flex;gap:8px;margin-bottom:16px;align-items:center}.sort-tab{background:none;border:1px solid var(--border);color:var(--text-muted);padding:6px 14px;border-radius:20px;cursor:pointer;font-size:13px}.sort-tab.active{background:var(--primary);border-color:var(--primary);color:#fff}.sort-tab:hover:not(.active){border-color:#444;color:var(--text)}.new-post-btn{margin-left:auto}.board-header{margin-bottom:20px}.board-header h1{font-size:24px;margin-bottom:4px}.board-desc{color:var(--text-muted);font-size:14px;margin-bottom:8px}.board-stats{display:flex;gap:16px;font-size:13px;color:var(--text-dim)}.page-title{font-size:20px;margin-bottom:16px}.auth-page{display:flex;justify-content:center;padding-top:60px}.auth-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px;width:100%;max-width:400px}.auth-card h2{margin-bottom:20px}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:13px;color:var(--text-muted);margin-bottom:6px}.form-group input,.form-group textarea{width:100%;padding:10px 12px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-size:14px;outline:none}.form-group input:focus,.form-group textarea:focus{border-color:var(--primary)}.form-group textarea{resize:vertical;min-height:100px;font-family:inherit}.error-msg{background:#1c0a0a;border:1px solid #7f1d1d;color:#fca5a5;padding:10px 14px;border-radius:var(--radius);margin-bottom:16px;font-size:13px}.auth-switch{margin-top:16px;font-size:13px;color:var(--text-muted);text-align:center}.form-actions{display:flex;justify-content:space-between;align-items:center;margin-top:16px}.post-detail-page{max-width:800px}.post-detail{display:flex;gap:16px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;margin-bottom:24px}.post-votes-lg{display:flex;flex-direction:column;align-items:center;gap:6px}.vote-score-lg{font-size:18px;font-weight:700}.post-detail-title{font-size:22px;font-weight:700;margin-bottom:8px}.post-detail-meta{display:flex;gap:10px;align-items:center;font-size:13px;color:var(--text-muted);margin-bottom:16px}.post-detail-body{font-size:15px;line-height:1.7;white-space:pre-wrap}.comments-section{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px}.comments-section h3{margin-bottom:16px}.comment-form{margin-bottom:20px}.comment-form textarea{width:100%;padding:10px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-size:14px;resize:vertical;font-family:inherit}.comment-form-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:8px}.comment-item{padding:12px 0;border-bottom:1px solid var(--border)}.comment-meta{display:flex;gap:8px;align-items:center;margin-bottom:4px;font-size:13px}.comment-author{font-weight:500}.comment-score{color:var(--text-dim)}.comment-body{font-size:14px;line-height:1.5}.reply-btn{font-size:12px;margin-top:4px}.create-post-page{max-width:700px}.create-post-page h2{margin-bottom:20px}.profile-page{display:flex;justify-content:center;padding-top:40px}.profile-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px;text-align:center;min-width:300px}.profile-avatar{font-size:48px;margin-bottom:12px}.profile-username{color:var(--text-muted);font-size:14px;margin-bottom:8px}.profile-bio{color:var(--text-muted);font-size:14px;margin:12px 0}.profile-stats{display:flex;justify-content:center;gap:20px;font-size:13px;color:var(--text-dim);margin-top:16px}.loading{text-align:center;padding:60px;color:var(--text-muted)}.empty-state{text-align:center;padding:40px;color:var(--text-muted)}.error-page{text-align:center;padding:60px;color:var(--danger)}