:root{--bg: #fafafa;--panel: #ffffff;--border: #e4e4e7;--text: #18181b;--muted: #71717a;--brand: #fe2c55;--ok: #16a34a;font-family:system-ui,-apple-system,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-size:14px;line-height:1.6}button{font:inherit;cursor:pointer;border:1px solid var(--border);background:#fff;border-radius:6px;padding:6px 12px}button:hover{border-color:#a1a1aa}button.primary{background:var(--brand);border-color:var(--brand);color:#fff}button.primary:hover{opacity:.9}input,textarea{font:inherit;border:1px solid var(--border);border-radius:6px;padding:6px 10px;width:100%}code{background:#f4f4f5;padding:1px 6px;border-radius:4px;font-size:12px;word-break:break-all}table{border-collapse:collapse;width:100%}th,td{border-bottom:1px solid var(--border);padding:8px 10px;text-align:left;font-size:13px}th{color:var(--muted);font-weight:500;background:#fafafa}.tag{display:inline-block;padding:1px 8px;border-radius:999px;font-size:12px;border:1px solid var(--border)}.tag.ai{background:#eff6ff;border-color:#bfdbfe;color:#1d4ed8}.tag.human{background:#fef2f2;border-color:#fecaca;color:#b91c1c}.tag.closed{background:#f4f4f5;color:var(--muted)}.tag.ok{background:#f0fdf4;border-color:#bbf7d0;color:var(--ok)}.tag.warn{background:#fffbeb;border-color:#fde68a;color:#b45309}