/* 基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    min-height: 100vh;
    color: #e0e0e0;
    line-height: 1.6;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* 头部样式 */
.header {
    text-align: center;
    padding: 30px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 30px;
}

.header h1 {
    font-size: 2.2rem;
    color: #00d4ff;
    margin-bottom: 10px;
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.subtitle {
    color: #888;
    font-size: 1rem;
}

/* 上传区域 */
.upload-section {
    margin-bottom: 30px;
}

.upload-area {
    border: 2px dashed #4a4a6a;
    border-radius: 12px;
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.02);
}

.upload-area:hover {
    border-color: #00d4ff;
    background: rgba(0, 212, 255, 0.05);
}

.upload-area.dragover {
    border-color: #00ff88;
    background: rgba(0, 255, 136, 0.1);
}

.upload-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.upload-area p {
    margin: 5px 0;
}

.upload-area .hint {
    font-size: 0.85rem;
    color: #666;
}

.sample-buttons {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-top: 15px;
}

/* 按钮样式 */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, #00d4ff, #0099cc);
    color: white;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: #e0e0e0;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

/* 概览卡片 */
.pipeline-overview {
    margin-bottom: 30px;
}

.pipeline-overview h2,
.pipeline-flow h2,
.detail-panel h2,
.stages-detail h2 {
    color: #00d4ff;
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.overview-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.overview-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.card-icon {
    font-size: 2rem;
}

.card-content {
    display: flex;
    flex-direction: column;
}

.card-label {
    font-size: 0.85rem;
    color: #888;
}

.card-value {
    font-size: 1.2rem;
    font-weight: 600;
    color: #00ff88;
}


/* 流程图样式 */
.flow-container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    padding: 20px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    overflow-x: auto;
}

.flow-node {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid #4a4a6a;
    border-radius: 12px;
    padding: 20px;
    min-width: 200px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.flow-node:hover {
    border-color: #00d4ff;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.2);
}

.flow-node.active {
    border-color: #00ff88;
    background: rgba(0, 255, 136, 0.1);
}

.flow-node::after {
    content: '→';
    position: absolute;
    right: -25px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    color: #4a4a6a;
}

.flow-node:last-child::after {
    display: none;
}

.node-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.node-icon {
    font-size: 1.5rem;
}

.node-title {
    font-weight: 600;
    color: #00d4ff;
}

.node-step {
    font-size: 0.75rem;
    background: rgba(0, 212, 255, 0.2);
    padding: 2px 8px;
    border-radius: 10px;
    color: #00d4ff;
}

.node-stats {
    display: flex;
    flex-direction: column;
    gap: 5px;
    font-size: 0.85rem;
    color: #888;
}

.node-stat {
    display: flex;
    justify-content: space-between;
}

.node-stat-value {
    color: #00ff88;
}

/* 标签页样式 */
.tabs {
    display: flex;
    gap: 5px;
    margin-bottom: 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 10px;
}

.tab-btn {
    padding: 10px 20px;
    background: transparent;
    border: none;
    color: #888;
    cursor: pointer;
    border-radius: 6px 6px 0 0;
    transition: all 0.3s ease;
}

.tab-btn:hover {
    color: #e0e0e0;
    background: rgba(255, 255, 255, 0.05);
}

.tab-btn.active {
    color: #00d4ff;
    background: rgba(0, 212, 255, 0.1);
    border-bottom: 2px solid #00d4ff;
}

.tab-content {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    padding: 20px;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

/* JSON查看器样式 */
.json-viewer {
    background: rgba(0, 0, 0, 0.4);
    border-radius: 8px;
    padding: 15px;
    overflow-x: auto;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.85rem;
    line-height: 1.5;
    max-height: 500px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-all;
}

.json-key {
    color: #ff79c6;
}

.json-string {
    color: #50fa7b;
}

.json-number {
    color: #bd93f9;
}

.json-boolean {
    color: #ffb86c;
}

.json-null {
    color: #6272a4;
}

/* 手风琴样式 */
.accordion {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.accordion-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    overflow: hidden;
}

.accordion-header {
    padding: 15px 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.3s ease;
}

.accordion-header:hover {
    background: rgba(255, 255, 255, 0.05);
}

.accordion-header.active {
    background: rgba(0, 212, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.accordion-title {
    display: flex;
    align-items: center;
    gap: 10px;
}

.accordion-icon {
    transition: transform 0.3s ease;
}

.accordion-header.active .accordion-icon {
    transform: rotate(180deg);
}

.accordion-content {
    display: none;
    padding: 20px;
}

.accordion-content.active {
    display: block;
}

/* 数据流展示 */
.data-flow {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.data-section {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    padding: 15px;
}

.data-section h4 {
    color: #00d4ff;
    margin-bottom: 10px;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.data-section h4::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.data-section.input h4::before {
    background: #ffb86c;
}

.data-section.output h4::before {
    background: #50fa7b;
}

/* 子步骤样式 */
.sub-steps {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px dashed rgba(255, 255, 255, 0.1);
}

.sub-step {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 10px;
    border-left: 3px solid #00d4ff;
}

.sub-step-header {
    font-weight: 600;
    color: #00d4ff;
    margin-bottom: 10px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .data-flow {
        grid-template-columns: 1fr;
    }
    
    .flow-container {
        flex-direction: column;
    }
    
    .flow-node::after {
        content: '↓';
        right: 50%;
        top: auto;
        bottom: -25px;
        transform: translateX(50%);
    }
    
    .overview-cards {
        grid-template-columns: 1fr;
    }
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: #4a4a6a;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #5a5a7a;
}

/* 加载动画 */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(0, 212, 255, 0.2);
    border-top-color: #00d4ff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #666;
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: 20px;
}


/* RAG输入区域样式 */
.rag-input-section {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 30px;
    position: relative;
}

.rag-input-section h2 {
    color: #00d4ff;
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.server-status {
    position: absolute;
    top: 25px;
    right: 25px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.status-dot.online {
    background: #00ff88;
    box-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
}

.status-dot.warning {
    background: #ffb86c;
    box-shadow: 0 0 10px rgba(255, 184, 108, 0.5);
}

.status-dot.offline {
    background: #ff5555;
    box-shadow: 0 0 10px rgba(255, 85, 85, 0.5);
    animation: none;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.input-area {
    margin-bottom: 15px;
}

.input-area textarea {
    width: 100%;
    min-height: 150px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 15px;
    color: #e0e0e0;
    font-family: inherit;
    font-size: 0.95rem;
    line-height: 1.6;
    resize: vertical;
    transition: border-color 0.3s ease;
}

.input-area textarea:focus {
    outline: none;
    border-color: #00d4ff;
}

.input-area textarea::placeholder {
    color: #666;
}

.action-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.btn-icon {
    margin-right: 5px;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(26, 26, 46, 0.95);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 15px;
    z-index: 10;
}

.loading-overlay p {
    color: #00d4ff;
    font-size: 1rem;
}

/* 调整上传区域样式 */
.upload-section {
    margin-bottom: 30px;
}

.upload-area {
    border: 2px dashed #4a4a6a;
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.02);
}

.upload-area .upload-icon {
    font-size: 2rem;
    margin-bottom: 10px;
}

.upload-area p {
    font-size: 0.9rem;
    color: #888;
}

/* 流程节点执行时间显示 */
.node-time {
    font-size: 0.75rem;
    color: #ffb86c;
    margin-top: 5px;
}