:root{--bg: #f0f2f8;--surface: #ffffff;--surface-2: #f8f9fc;--border: #e8ecf4;--border-hover: #c5cdd8;--text: #111827;--text-2: #4b5563;--text-3: #9ca3af;--primary: #4f6ef7;--primary-dark: #3b54d4;--primary-light: #eef0fe;--success: #10b981;--success-light: #d1fae5;--warning: #f59e0b;--warning-light: #fef3c7;--danger: #ef4444;--danger-light: #fee2e2;--shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);--shadow: 0 4px 16px rgba(0,0,0,.08), 0 1px 4px rgba(0,0,0,.04);--shadow-lg: 0 10px 40px rgba(0,0,0,.12);--radius: 12px;--radius-sm: 8px;--sidebar-w: 230px}*,*:before,*:after{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft 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var(--border);border-radius:var(--radius-sm);outline:none;resize:vertical;min-height:70px;transition:border-color .2s}.comment-form textarea:focus{border-color:var(--primary)}.filter-row{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:16px}.filter-chip{padding:5px 12px;border-radius:999px;font-size:12px;font-weight:500;cursor:pointer;border:1.5px solid transparent;transition:all 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