/**
 * @license
 * Copyright 2025 Qwen Team
 * SPDX-License-Identifier: Apache-2.0
 */

/**
 * Timeline.css - 时间线布局样式
 * 统一展示消息、工具调用、输出等
 */

.timeline-container {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 16px 20px;
}

.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 12px;
  padding-bottom: 16px;
}

.timeline-item.last {
  padding-bottom: 0;
}

/* 时间线连接线 - 暂时禁用 */
/*
.timeline-line {
  position: absolute;
  left: 9px;
  top: 20px;
  bottom: 0;
  width: 2px;
  background: var(--app-transparent-inner-border);
  opacity: 0.3;
}

.timeline-item.last .timeline-line {
  display: none;
}
*/

/* 状态圆点 */
.timeline-dot {
  position: relative;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
  z-index: 1;
}

.dot-inner {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: block;
}

/* 不同类型的圆点颜色 */
.timeline-dot.blue .dot-inner {
  background-color: var(--vscode-terminal-ansiBlue, #4fc3f7);
}

.timeline-dot.gray .dot-inner {
  background-color: var(--app-secondary-foreground);
  opacity: 0.5;
}

.timeline-dot.green .dot-inner {
  background-color: var(--app-qwen-green, #6bcf7f);
}

.timeline-dot.purple .dot-inner {
  background-color: var(--vscode-terminal-ansiMagenta, #ba68c8);
}

/* 内容区域 */
.timeline-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

/* 标签 */
.timeline-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--app-secondary-foreground);
  opacity: 0.6;
}

/* 内容主体 */
.timeline-body {
  font-size: 13px;
  line-height: 1.6;
  color: var(--app-primary-foreground);
  word-wrap: break-word;
  overflow-wrap: break-word;
}

/* 折叠/展开按钮 */
.timeline-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px 4px 4px;
  background: transparent;
  border: none;
  border-radius: 4px;
  color: var(--app-secondary-foreground);
  font-size: 12px;
  cursor: pointer;
  transition: background-color 0.15s;
  align-self: flex-start;
}

.timeline-toggle:hover {
  background: var(--app-ghost-button-hover-background);
}

.timeline-toggle-icon {
  font-size: 10px;
  line-height: 1;
  transition: transform 0.15s;
}

.timeline-toggle-text {
  font-weight: 500;
}

/* 工具输出的特殊样式 */
.timeline-item.tool-output .timeline-body {
  background: var(--app-secondary-background);
  border: 1px solid var(--app-transparent-inner-border);
  border-radius: 6px;
  padding: 12px;
  font-family: var(
    --vscode-editor-font-family,
    'Monaco',
    'Courier New',
    monospace
  );
  font-size: 12px;
  color: var(--app-secondary-foreground);
  max-height: 300px;
  overflow-y: auto;
}

/* 工具调用的特殊样式 */
.timeline-item.tool-call .timeline-body {
  background: var(--app-secondary-background);
  border: 1px solid var(--app-transparent-inner-border);
  border-radius: 6px;
  padding: 12px;
}

/* 用户消息样式 */
.timeline-item.user-message .timeline-body {
  background: var(--app-qwen-clay-button-orange);
  border: 1px solid var(--app-transparent-inner-border);
  border-radius: 8px;
  padding: 10px 14px;
}

/* 思考消息样式 */
.timeline-item.thinking .timeline-body {
  color: var(--app-secondary-foreground);
  opacity: 0.7;
  font-style: italic;
}

/* 滚动条样式 */
.timeline-item.tool-output .timeline-body::-webkit-scrollbar {
  width: 6px;
}

.timeline-item.tool-output .timeline-body::-webkit-scrollbar-track {
  background: transparent;
}

.timeline-item.tool-output .timeline-body::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 3px;
}

.timeline-item.tool-output .timeline-body::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* 动画 */
@keyframes timelineFadeIn {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.timeline-item {
  animation: timelineFadeIn 0.3s ease-out;
}