/* =========================================
   工作流页样式（浅色主题，与全站一致）
   ========================================= */

.workflow-page {
  padding-top: var(--nav-height);
  background: var(--bg);
  min-height: 100vh;
  color: var(--text);
}

/* 工作流头部 */
.workflow-header {
  text-align: center;
  padding: 40px 24px 28px;
  background: linear-gradient(135deg, #d4e2f5 0%, #dde7f4 50%, #d4dff0 100%);
  border-bottom: 1px solid var(--border);
}

.workflow-header h1 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.workflow-header p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* 存储工具条 */
.storage-bar {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.storage-bar .btn-sm {
  padding: 8px 14px;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
}

.storage-bar .btn-sm:hover {
  border-color: var(--primary-light);
  color: var(--primary);
  background: var(--primary-bg);
}

.storage-bar label {
  margin: 0;
  cursor: pointer;
}

/* 步骤导航 */
.wf-steps {
  display: flex;
  gap: 8px;
  padding: 20px 24px;
  flex-wrap: wrap;
  justify-content: center;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.wf-step {
  padding: 8px 20px;
  background: var(--surface-alt);
  border-radius: 8px;
  font-size: 0.9rem;
  color: var(--text-muted);
  border: 1px solid transparent;
  cursor: default;
  transition: all var(--transition);
}

.wf-step.active {
  background: var(--primary-bg);
  color: var(--primary);
  border-color: var(--primary);
  font-weight: 600;
}

/* 面板 */
.wf-panel {
  display: none;
  padding: 28px 24px;
  max-width: 960px;
  margin: 0 auto;
}

.wf-panel.active {
  display: block;
}

.wf-panel h2 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 16px;
}

.wf-panel > p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 20px;
}

/* 方案分组 */
.scheme-group {
  margin-bottom: 36px;
}

.scheme-group h2 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
  padding-left: 12px;
  border-left: 4px solid var(--primary);
}

.scheme-group-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  padding-left: 16px;
}

/* 方案选型网格 */
.scheme-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

.scheme-card {
  padding: 20px 22px;
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
}

.scheme-card:hover {
  border-color: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.scheme-card.selected {
  border-color: var(--primary);
  background: var(--primary-bg);
}

.scheme-card h3 {
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.4;
}

.scheme-card p {
  color: var(--text-secondary);
  font-size: 0.82rem;
  line-height: 1.6;
}

.scheme-card-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
  gap: 8px;
}

.scheme-steps-hint {
  font-size: 0.78rem;
  color: var(--text-muted);
  background: var(--surface-alt);
  padding: 2px 8px;
  border-radius: 10px;
  white-space: nowrap;
}

.scheme-detail-link {
  font-size: 0.78rem;
  color: var(--primary);
  text-decoration: none;
  white-space: nowrap;
  transition: opacity var(--transition);
}

.scheme-detail-link:hover {
  opacity: 0.75;
  text-decoration: underline;
}

.scheme-name {
  color: var(--primary) !important;
  font-weight: 500;
}

/* 工作流图示（可拖放区） */
.workflow-canvas {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin: 20px 0 28px;
  padding: 24px;
  background: var(--surface-alt);
  border-radius: var(--radius);
  min-height: 120px;
  border: 2px dashed var(--border-dark);
}

.workflow-canvas.drag-over {
  border-color: var(--primary-light);
  background: var(--primary-bg);
}

/* 工作流节点（设备图标） */
.wf-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: grab;
  transition: all var(--transition);
  min-width: 100px;
  text-align: center;
  user-select: none;
}

.wf-node:active {
  cursor: grabbing;
}

.wf-node:hover {
  border-color: var(--primary-light);
  box-shadow: var(--shadow);
}

.wf-node .node-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--primary-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.wf-node .node-name {
  font-size: 0.8rem;
  color: var(--text);
  font-weight: 500;
}

.wf-node.dragging {
  opacity: 0.5;
  transform: scale(0.95);
}

.workflow-arrow {
  color: var(--text-muted);
  font-size: 1.5rem;
}

/* 设备面板（侧栏候选设备） */
.device-panel {
  display: flex;
  gap: 20px;
  margin-top: 20px;
}

.device-sidebar {
  flex: 0 0 200px;
  background: var(--surface);
  border-radius: var(--radius);
  padding: 16px;
  border: 1px solid var(--border);
}

.device-sidebar h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 12px;
}

.device-sidebar-item {
  padding: 10px 12px;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  cursor: grab;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all var(--transition);
  color: var(--text);
}

.device-sidebar-item:hover {
  border-color: var(--primary-light);
  background: var(--primary-bg);
}

.device-sidebar-item .sidebar-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: var(--primary-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  flex-shrink: 0;
}

/* 设备列表（当前工作流） */
.device-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
}

.device-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  background: var(--surface);
  border-radius: 8px;
  border: 1px solid var(--border);
}

.device-item .label {
  font-weight: 500;
  color: var(--text);
}

.device-item .name {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-left: 8px;
}

.device-item .replace-btn {
  padding: 6px 14px;
  font-size: 0.85rem;
  border-radius: 6px;
  border: 1px solid var(--primary);
  background: transparent;
  color: var(--primary);
  cursor: pointer;
  transition: all var(--transition);
}

.device-item .replace-btn:hover {
  background: var(--primary-bg);
}

/* 参数表单 */
.params-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 24px;
}

.param-group {
  padding: 20px;
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.param-group h4 {
  color: var(--text);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 14px;
}

.param-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 12px;
}

.param-row label {
  flex: 0 0 120px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.param-row input[type="number"] {
  width: 120px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  font-size: 0.9rem;
}

.param-row input[type="number"]:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.param-row .range-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* 结果卡片 */
.result-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.result-card {
  padding: 24px;
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.result-card .title {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.result-card .value {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--success);
}

.result-card .unit {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-left: 4px;
}

/* 工作流操作按钮 */
.wf-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.wf-btn {
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
}

.wf-btn-primary {
  background: var(--primary);
  color: #fff;
}

.wf-btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.wf-btn-secondary {
  background: var(--surface-alt);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.wf-btn-secondary:hover {
  background: var(--border);
  color: var(--text);
}

/* 弹窗 */
.wf-dialog {
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  min-width: 340px;
  box-shadow: var(--shadow-lg);
}

.wf-dialog::backdrop {
  background: rgba(0, 0, 0, 0.4);
}

.wf-dialog h3 {
  color: var(--text);
  font-size: 1.1rem;
  margin-bottom: 14px;
}

.wf-dialog .slot-name {
  margin-bottom: 14px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.wf-dialog select {
  width: 100%;
  padding: 10px 12px;
  margin-bottom: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  font-size: 0.95rem;
}

.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* 配置导出预览 */
.export-preview {
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  font-family: 'Courier New', Consolas, monospace;
  font-size: 0.85rem;
  line-height: 1.8;
  color: var(--text);
  white-space: pre;
  overflow-x: auto;
  margin-bottom: 24px;
  max-height: 500px;
  overflow-y: auto;
}

/* 响应式 */
@media (max-width: 768px) {
  .result-cards {
    grid-template-columns: 1fr;
  }
  .param-row {
    flex-wrap: wrap;
  }
  .export-preview {
    font-size: 0.75rem;
    padding: 14px 12px;
  }
}