:root{--primary: #6366f1;--primary-light: #818cf8;--primary-dark: #4f46e5;--primary-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);--bg-main: #f8fafc;--bg-white: #ffffff;--bg-gray: #f1f5f9;--bg-hover: #f1f5f9;--text-primary: #1e293b;--text-secondary: #64748b;--text-muted: #94a3b8;--text-white: #ffffff;--border-color: #e2e8f0;--border-focus: #6366f1;--success: #10b981;--success-light: #d1fae5;--warning: #f59e0b;--warning-light: #fef3c7;--danger: #ef4444;--danger-light: #fee2e2;--info: #3b82f6;--info-light: #dbeafe;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1);--shadow-primary: 0 4px 14px rgba(99, 102, 241, .25);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-full: 9999px;--transition-fast: .15s ease;--transition-normal: .2s ease}*{margin:0;padding:0;box-sizing:border-box}html,body{height:100%;overflow:hidden;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;font-size:14px;line-height:1.6;color:var(--text-primary);background:var(--bg-main);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#app{height:100%}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-gray);border-radius:4px}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#94a3b8}.el-button--primary{background:var(--primary-gradient)!important;border:none!important;box-shadow:var(--shadow-primary);transition:all var(--transition-normal)}.el-button--primary:hover{transform:translateY(-1px);box-shadow:0 6px 20px #6366f159}.el-button--primary:active{transform:translateY(0)}.el-input__wrapper{background:var(--bg-white)!important;border:1px solid var(--border-color)!important;box-shadow:var(--shadow-sm)!important;transition:all var(--transition-normal)}.el-input__wrapper:hover{border-color:var(--primary-light)!important}.el-input__wrapper.is-focus{border-color:var(--primary)!important;box-shadow:0 0 0 3px #6366f11a!important}.el-input__inner{color:var(--text-primary)!important}.el-input__inner::placeholder{color:var(--text-muted)!important}.el-select__wrapper{background:var(--bg-white)!important;border:1px solid var(--border-color)!important;box-shadow:var(--shadow-sm)!important}.el-select__wrapper:hover{border-color:var(--primary-light)!important}.el-select-dropdown{background:var(--bg-white)!important;border:1px solid var(--border-color)!important;box-shadow:var(--shadow-lg)!important}.el-select-dropdown__item{color:var(--text-primary)!important}.el-select-dropdown__item:hover{background:var(--bg-hover)!important}.el-select-dropdown__item.is-selected{color:var(--primary)!important;background:#6366f114!important;font-weight:600}.el-card{background:var(--bg-white)!important;border:1px solid var(--border-color)!important;border-radius:var(--radius-lg)!important;box-shadow:var(--shadow-sm);transition:all var(--transition-normal)}.el-card:hover{box-shadow:var(--shadow-md)}.el-card__header{border-bottom:1px solid var(--border-color)!important;padding:16px 20px!important;background:var(--bg-gray)}.el-card__body{padding:20px!important}.el-table{background:var(--bg-white)!important;--el-table-bg-color: var(--bg-white);--el-table-tr-bg-color: var(--bg-white);--el-table-header-bg-color: var(--bg-gray);--el-table-row-hover-bg-color: var(--bg-hover);--el-table-border-color: var(--border-color);--el-table-text-color: var(--text-primary);--el-table-header-text-color: var(--text-secondary)}.el-table th.el-table__cell{background:var(--bg-gray)!important;font-weight:600}.el-table td.el-table__cell{border-bottom:1px solid var(--border-color)!important}.el-dialog{background:var(--bg-white)!important;border-radius:var(--radius-lg)!important;box-shadow:var(--shadow-lg)!important}.el-dialog__header{border-bottom:1px solid var(--border-color);padding:20px 24px!important}.el-dialog__title{color:var(--text-primary)!important;font-weight:600}.el-dialog__body{padding:24px!important;color:var(--text-primary)}.el-tag{border-radius:var(--radius-full)!important;font-weight:500}.el-tag--primary:not(.el-tag--dark){background:#6366f11a!important;border-color:#6366f133!important;color:var(--primary)!important}.el-tag--success:not(.el-tag--dark){background:var(--success-light)!important;border-color:#10b98133!important;color:var(--success)!important}.el-tag--warning:not(.el-tag--dark){background:var(--warning-light)!important;border-color:#f59e0b33!important;color:var(--warning)!important}.el-tag--danger:not(.el-tag--dark){background:var(--danger-light)!important;border-color:#ef444433!important;color:var(--danger)!important}.el-tag--info:not(.el-tag--dark){background:var(--info-light)!important;border-color:#3b82f633!important;color:var(--info)!important}.el-tag--dark.el-tag--primary{background:var(--primary)!important;border-color:var(--primary)!important;color:#fff!important}.el-tag--dark.el-tag--success{background:var(--success)!important;border-color:var(--success)!important;color:#fff!important}.el-tag--dark.el-tag--warning{background:var(--warning)!important;border-color:var(--warning)!important;color:#fff!important}.el-tag--dark.el-tag--danger{background:var(--danger)!important;border-color:var(--danger)!important;color:#fff!important}.el-tag--dark.el-tag--info{background:var(--info)!important;border-color:var(--info)!important;color:#fff!important}.el-tag--plain.el-tag--primary{background:transparent!important;border-color:var(--primary)!important;color:var(--primary)!important}.el-tag--plain.el-tag--success{background:transparent!important;border-color:var(--success)!important;color:var(--success)!important}.el-tag--plain.el-tag--warning{background:transparent!important;border-color:var(--warning)!important;color:var(--warning)!important}.el-tag--plain.el-tag--danger{background:transparent!important;border-color:var(--danger)!important;color:var(--danger)!important}.el-tag--plain.el-tag--info{background:transparent!important;border-color:var(--info)!important;color:var(--info)!important}.el-progress-bar__outer{background:var(--bg-gray)!important;border-radius:10px!important}.el-progress-bar__inner{background:var(--primary-gradient)!important;border-radius:10px!important}.el-pagination{--el-pagination-bg-color: var(--bg-white);--el-pagination-text-color: var(--text-secondary);--el-pagination-button-bg-color: var(--bg-white);--el-pagination-hover-color: var(--primary)}.el-pagination .el-pager li{background:var(--bg-white)!important;border:1px solid var(--border-color);border-radius:var(--radius-sm)}.el-pagination .el-pager li:hover{color:var(--primary)!important}.el-pagination .el-pager li.is-active{background:var(--primary-gradient)!important;border-color:transparent;color:#fff!important}.el-message{background:var(--bg-white)!important;border:1px solid var(--border-color)!important;box-shadow:var(--shadow-lg)!important}.el-form-item__label{color:var(--text-secondary)!important;font-weight:500}.el-checkbox__label{color:var(--text-primary)!important}.el-checkbox__input.is-checked .el-checkbox__inner{background:var(--primary);border-color:var(--primary)}.el-input-number{--el-input-number-bg-color: var(--bg-white)}.page-card{background:var(--bg-white);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-sm);transition:all var(--transition-normal)}.page-card:hover{box-shadow:var(--shadow-md)}.gradient-text{background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.loading-pulse{animation:pulse 2s ease-in-out infinite}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.fade-in-up{animation:fadeInUp .5s ease forwards}.question-card{background:var(--bg-white);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:16px 20px;margin-bottom:12px;transition:all var(--transition-normal);cursor:grab}.question-card:hover{background:var(--bg-hover);border-color:var(--primary-light);box-shadow:var(--shadow-md)}.question-card:active{cursor:grabbing}.question-card.dragging{opacity:.5;transform:scale(1.02)}.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted)}.empty-state .el-icon{font-size:64px;margin-bottom:16px;opacity:.5}.empty-state p{font-size:16px;margin-bottom:24px}.stat-card{background:var(--bg-white);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:20px;text-align:center;box-shadow:var(--shadow-sm)}.stat-card .stat-value{font-size:32px;font-weight:700;color:var(--primary)}.stat-card .stat-label{font-size:14px;color:var(--text-secondary);margin-top:8px}.table-actions{display:flex;align-items:center;justify-content:center;gap:6px}.action-btn{padding:6px 12px;border-radius:6px;font-size:13px;font-weight:500;transition:all .2s ease;border:1px solid transparent;cursor:pointer}.action-btn-view,.action-btn-primary{color:var(--primary)!important;background:#6366f114!important;border-color:#6366f133!important}.action-btn-view:hover,.action-btn-primary:hover{color:#fff!important;background:var(--primary-gradient)!important;border-color:transparent!important;box-shadow:0 4px 12px #6366f159;transform:translateY(-1px)}.action-btn-edit,.action-btn-warning{color:var(--warning)!important;background:#f59e0b14!important;border-color:#f59e0b33!important}.action-btn-edit:hover,.action-btn-warning:hover{color:#fff!important;background:linear-gradient(135deg,#f59e0b,#f97316)!important;border-color:transparent!important;box-shadow:0 4px 12px #f59e0b59;transform:translateY(-1px)}.action-btn-delete,.action-btn-danger{color:var(--danger)!important;background:#ef444414!important;border-color:#ef444433!important}.action-btn-delete:hover,.action-btn-danger:hover{color:#fff!important;background:linear-gradient(135deg,#ef4444,#dc2626)!important;border-color:transparent!important;box-shadow:0 4px 12px #ef444459;transform:translateY(-1px)}.action-btn-success{color:var(--success)!important;background:#10b98114!important;border-color:#10b98133!important}.action-btn-success:hover{color:#fff!important;background:linear-gradient(135deg,#10b981,#059669)!important;border-color:transparent!important;box-shadow:0 4px 12px #10b98159;transform:translateY(-1px)}.action-btn-more{width:32px;height:32px;padding:0;color:var(--text-secondary)!important;background:var(--bg-gray)!important;border-color:var(--border-color)!important;display:flex;align-items:center;justify-content:center}.action-btn-more:hover{color:var(--primary)!important;background:#6366f11a!important;border-color:#6366f14d!important}.action-btn .el-icon{font-size:14px;margin-right:4px}.action-btn-more .el-icon{margin-right:0;font-size:16px}@media (max-width: 768px){.sidebar{width:64px}.content-wrapper{padding:16px}}