:root{--bg-primary: #ffffff;--bg-secondary: #f5f6f8;--bg-card: #ffffff;--text-primary: #1f2329;--text-secondary: #646a73;--text-hint: #8f959e;--border-color: #dee0e3;--primary-color: #3370ff;--primary-hover: #2860e0;--success-color: #34c724;--error-color: #f54a45;--warning-color: #ff8800;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .06);--shadow-md: 0 2px 8px rgba(0, 0, 0, .08);--radius: 6px;--radius-lg: 8px}.dark{--bg-primary: #1a1a1a;--bg-secondary: #252525;--bg-card: #2d2d2d;--text-primary: #e0e0e0;--text-secondary: #a0a0a0;--text-hint: #707070;--border-color: #404040;--primary-color: #4e83fd;--primary-hover: #3a6fea;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .2);--shadow-md: 0 2px 8px rgba(0, 0, 0, .3)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}.app-container{min-height:100vh;background:var(--bg-primary);color:var(--text-primary);padding:16px;max-width:100%;overflow-x:hidden}.app-header{margin-bottom:20px;padding-bottom:12px;border-bottom:1px solid var(--border-color)}.app-title{font-size:18px;font-weight:600;margin-bottom:4px}.app-desc{font-size:12px;color:var(--text-secondary)}.section-title{font-size:15px;font-weight:600;margin-bottom:12px;color:var(--text-primary)}.field-selector{margin-bottom:12px}.field-label{display:block;font-size:13px;font-weight:500;color:var(--text-secondary);margin-bottom:4px}.field-select{width:100%;height:36px;padding:0 10px;border:1px solid var(--border-color);border-radius:var(--radius);background:var(--bg-card);color:var(--text-primary);font-size:13px;outline:none;cursor:pointer;transition:border-color .2s;-moz-appearance:none;appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23646a73' d='M3 4.5l3 3 3-3'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center}.field-select:focus{border-color:var(--primary-color)}.field-select:hover{border-color:var(--primary-color)}.toggle-row{margin:16px 0;padding:10px 12px;background:var(--bg-secondary);border-radius:var(--radius)}.toggle-label{display:flex;align-items:center;cursor:pointer;font-size:13px;gap:8px}.toggle-label input[type=checkbox]{width:16px;height:16px;accent-color:var(--primary-color);cursor:pointer}.toggle-text{font-weight:500}.toggle-hint{display:block;font-size:12px;color:var(--text-hint);margin-top:4px;padding-left:24px}.btn{display:inline-flex;align-items:center;justify-content:center;height:36px;padding:0 16px;border:none;border-radius:var(--radius);font-size:13px;font-weight:500;cursor:pointer;transition:all .2s;white-space:nowrap}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary-color);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-hover)}.btn-secondary{background:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover:not(:disabled){background:var(--border-color)}.btn-full{width:100%}.action-bar{display:flex;gap:8px;margin-top:16px}.error-banner{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;margin-bottom:12px;background:#fff2f0;border:1px solid #ffccc7;border-radius:var(--radius);color:var(--error-color);font-size:13px}.dark .error-banner{background:#2d1f1f;border-color:#5c2020}.error-close{background:none;border:none;color:var(--error-color);font-size:18px;cursor:pointer;padding:0 4px;line-height:1}.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-bottom:16px}.stat-card{background:var(--bg-secondary);border-radius:var(--radius);padding:12px;text-align:center}.stat-number{font-size:24px;font-weight:700;color:var(--primary-color)}.stat-success .stat-number{color:var(--success-color)}.stat-error .stat-number{color:var(--error-color)}.stat-desc{font-size:12px;color:var(--text-secondary);margin-top:2px}.preview-table-wrapper{overflow-x:auto;margin-bottom:12px;border:1px solid var(--border-color);border-radius:var(--radius)}.preview-table{width:100%;border-collapse:collapse;font-size:12px}.preview-table th{background:var(--bg-secondary);font-weight:600;text-align:left;padding:8px 10px;border-bottom:1px solid var(--border-color);white-space:nowrap}.preview-table td{padding:6px 10px;border-bottom:1px solid var(--border-color);word-break:break-all}.preview-table tr:last-child td{border-bottom:none}.value-cell{max-width:120px;overflow:hidden;text-overflow:ellipsis}.old-value{color:var(--text-hint);text-decoration:line-through}.new-value{color:var(--success-color);font-weight:500}.table-note{text-align:center;font-size:12px;color:var(--text-hint);padding:8px}.empty-tip{text-align:center;padding:32px 16px;color:var(--text-hint);font-size:14px}.failure-details{margin-top:16px}.failure-details h4{font-size:14px;margin-bottom:8px;color:var(--error-color)}.mono{font-family:SF Mono,Monaco,Cascadia Code,monospace;font-size:11px}.error-text{color:var(--error-color)}.preview-panel,.result-panel{padding:0}@media (max-width: 320px){.stats-grid{grid-template-columns:1fr}.app-container{padding:12px}}