:root {
  --primary-color: #667eea;
  --secondary-color: #764ba2;
  --bg-dark: #0f0f23;
  --bg-card: #1a1a2e;
  --bg-chat: #16213e;
  --text-primary: #ffffff;
  --text-secondary: #a0a0a0;
  --border-color: rgba(255, 255, 255, 0.1);
  --success-color: #00d26a;
  --user-msg-bg: #667eea;
  --agent-msg-bg: #2d3748;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: linear-gradient(135deg, var(--bg-dark) 0%, #0a0a15 100%);
  color: var(--text-primary);
  height: 100vh;
  overflow: hidden;
}

/* 顶部栏 */
.top-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(26, 26, 46, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  padding: 0.75rem 1.5rem;
}

.top-bar-content {
  max-width: 100%;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.project-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* 语言切换器 */
.language-switcher {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.lang-btn {
  background: rgba(102, 126, 234, 0.2);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.4rem 1rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.2s;
  font-weight: 500;
}

.lang-btn:hover {
  background: rgba(102, 126, 234, 0.3);
  color: var(--text-primary);
  transform: translateY(-1px);
}

.lang-btn.active {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

.main-container {
  display: flex;
  height: 100vh;
  gap: 1rem;
  padding: 1rem;
  padding-top: 4rem;
}

/* 左侧对话框 */
.chat-panel {
  width: 624px;
  background: var(--bg-chat);
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border-color);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.chat-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.chat-header h2 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.chat-info {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
}

.message {
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.3s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.message-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.message-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.message.user .message-avatar {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.message.agent .message-avatar {
  background: var(--agent-msg-bg);
}

.message-sender {
  font-weight: 600;
  font-size: 0.95rem;
}

.message-time {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-left: auto;
}

.message-content {
  padding: 1rem;
  border-radius: 12px;
  line-height: 1.6;
  font-size: 0.95rem;
}

.message.user .message-content {
  background: var(--user-msg-bg);
  margin-left: 1rem;
}

.message.agent .message-content {
  background: var(--agent-msg-bg);
  margin-left: 1rem;
}

.message-content h3 {
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
  color: var(--primary-color);
}

.message-content ul, .message-content ol {
  margin-left: 1.5rem;
  margin-top: 0.5rem;
}

.message-content li {
  margin-bottom: 0.5rem;
}

.message-content code {
  background: rgba(0, 0, 0, 0.3);
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  font-family: 'Courier New', monospace;
  font-size: 0.9rem;
}

.message-content pre {
  background: rgba(0, 0, 0, 0.3);
  padding: 1rem;
  border-radius: 8px;
  overflow-x: auto;
  margin: 0.75rem 0;
}

.message-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.75rem 0;
  font-size: 0.85rem;
}

.message-content th, .message-content td {
  padding: 0.5rem;
  border: 1px solid var(--border-color);
  text-align: left;
}

.message-content th {
  background: rgba(102, 126, 234, 0.2);
  font-weight: 600;
}

/* 右侧内容区 */
.content-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-width: 0;
  overflow: hidden;
}

/* 蜂群展示区 */
.swarm-section {
  background: var(--bg-card);
  border-radius: 16px;
  border: 1px solid var(--border-color);
  overflow: hidden;
  transition: all 0.3s ease;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  max-height: 700px;
  flex-shrink: 0;
}

.swarm-section.collapsed .swarm-content {
  max-height: 0;
  padding: 0;
}

.swarm-section.collapsed {
  max-height: 80px;
}

.swarm-header {
  padding: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  user-select: none;
  border-bottom: 1px solid var(--border-color);
  transition: background 0.2s;
}

.swarm-header:hover {
  background: rgba(102, 126, 234, 0.1);
}

.swarm-header h3 {
  font-size: 1.25rem;
}

.swarm-controls {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.zoom-btn {
  background: rgba(102, 126, 234, 0.2);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 1rem;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
}

.zoom-btn:hover {
  background: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.zoom-btn:active {
  transform: translateY(0);
}

.toggle-btn {
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  transition: transform 0.3s;
  padding: 0.5rem;
}

.swarm-section.collapsed .toggle-btn {
  transform: rotate(-90deg);
}

.swarm-content {
  max-height: 620px;
  overflow-x: hidden;
  overflow-y: auto;
  padding: 1.5rem;
  transition: all 0.3s ease;
  position: relative;
}

.swarm-section.collapsed .swarm-content {
  overflow: hidden;
}

/* 缩放指示器 */
.zoom-indicator {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(102, 126, 234, 0.9);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
  z-index: 10;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.workflow-diagram {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.workflow-stage {
  background: rgba(102, 126, 234, 0.05);
  border-radius: 12px;
  padding: 1.5rem;
  border: 1px solid var(--border-color);
}

.stage-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.agents-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.agent-card {
  flex: 1;
  min-width: 200px;
  background: var(--bg-chat);
  border-radius: 10px;
  padding: 1rem;
  border: 2px solid transparent;
  transition: all 0.3s;
}

.agent-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 20px rgba(102, 126, 234, 0.3);
}

.agent-card.completed {
  border-color: var(--success-color);
}

.agent-icon {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 0.5rem;
}

.agent-name {
  font-weight: 600;
  text-align: center;
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

.agent-task {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 0.5rem;
}

.agent-status {
  font-size: 0.8rem;
  text-align: center;
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
  background: rgba(0, 210, 106, 0.1);
  color: var(--success-color);
}

.workflow-arrow {
  text-align: center;
  font-size: 2rem;
  color: var(--primary-color);
  margin: 0.5rem 0;
}

/* 网页预览区 */
.preview-section {
  flex: 1;
  background: var(--bg-card);
  border-radius: 16px;
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  min-height: 0;
}

.preview-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.preview-header h3 {
  font-size: 1.25rem;
}

.preview-controls {
  display: flex;
  gap: 0.75rem;
}

.control-btn {
  background: var(--primary-color);
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.2s;
}

.control-btn:hover {
  background: var(--secondary-color);
  transform: translateY(-2px);
}

.preview-content {
  flex: 1;
  position: relative;
  background: white;
}

.preview-content iframe {
  width: 100%;
  height: 100%;
  border: none;
}

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

::-webkit-scrollbar-track {
  background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--secondary-color);
}

/* 响应式 */
@media (max-width: 1200px) {
  .main-container {
    flex-direction: column;
  }

  .chat-panel {
    width: 100%;
    max-height: 40vh;
  }

  .agents-row {
    flex-direction: column;
  }

  .agent-card {
    min-width: 100%;
  }
}

/* 横向工作流布局 */
.workflow-diagram-horizontal {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 1.5rem;
  min-width: max-content;
  padding: 1.5rem 0;
  transition: transform 0.3s ease;
  transform-origin: left top;
}

.workflow-stage-h {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  background: rgba(102, 126, 234, 0.05);
  border-radius: 12px;
  padding: 1.25rem;
  border: 1px solid var(--border-color);
  min-width: 160px;
}

.stage-title-h {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--primary-color);
  text-align: center;
  white-space: nowrap;
}

.agent-card-h {
  background: var(--bg-chat);
  border-radius: 10px;
  padding: 0.85rem;
  border: 2px solid transparent;
  transition: all 0.3s;
  text-align: center;
  min-width: 135px;
}

.agent-card-h:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 20px rgba(102, 126, 234, 0.3);
}

.agent-card-h.completed {
  border-color: var(--success-color);
}

.agent-icon-h {
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
}

.agent-name-h {
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 0.25rem;
  color: var(--text-primary);
}

.agent-task-h {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}

.agent-status-h {
  font-size: 0.7rem;
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  background: rgba(0, 210, 106, 0.1);
  color: var(--success-color);
}

.workflow-arrow-h {
  font-size: 1.8rem;
  color: var(--primary-color);
  font-weight: bold;
  padding: 0 0.75rem;
}

/* 并行智能体垂直排列 */
.agents-column {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.agents-column .agent-card-h {
  min-width: 135px;
}