/**
 * @license
 * Copyright 2025 Qwen Team
 * SPDX-License-Identifier: Apache-2.0
 *
 * DiffDisplay 组件样式
 */

/* ========================================
   容器样式
   ======================================== */

.diff-display-container {
  font-family: var(--vscode-font-family);
  font-size: var(--vscode-font-size);
  width: 100%;
}

/* ========================================
   紧凑视图样式 - 超简洁版本
   ======================================== */

.diff-display-container {
  border: 1px solid var(--vscode-panel-border);
  border-radius: 4px;
  background: var(--vscode-editor-background);
  overflow: hidden;
}

.diff-compact-clickable {
  padding: 6px 10px;
  cursor: pointer;
  user-select: none;
  transition: all 0.15s ease-in-out;
}

.diff-compact-clickable:hover {
  background: var(--vscode-list-hoverBackground);
}

.diff-compact-clickable:active {
  opacity: 0.9;
}

.diff-compact-clickable:focus {
  outline: 1px solid var(--vscode-focusBorder);
  outline-offset: -1px;
}

.diff-compact-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.diff-file-info {
  flex: 1;
  min-width: 0; /* 允许文字截断 */
  font-weight: 500;
  font-size: 0.95em;
}

.diff-file-info .file-link {
  color: var(--vscode-foreground);
}

.diff-stats {
  display: flex;
  gap: 8px;
  align-items: center;
  font-family: var(--vscode-editor-font-family, 'Menlo', 'Monaco', 'Courier New', monospace);
  font-size: 0.85em;
  flex-shrink: 0;
}

.diff-stats > span {
  font-weight: 600;
  white-space: nowrap;
}

.stat-added {
  color: var(--vscode-gitDecoration-addedResourceForeground, #4ec9b0);
}

.stat-removed {
  color: var(--vscode-gitDecoration-deletedResourceForeground, #f48771);
}

.stat-changed {
  color: var(--vscode-gitDecoration-modifiedResourceForeground, #e5c07b);
}

.stat-no-change {
  color: var(--vscode-descriptionForeground);
  opacity: 0.7;
}

.diff-compact-actions {
  padding: 6px 10px 8px;
  border-top: 1px solid var(--vscode-panel-border);
  background: var(--vscode-editorGroupHeader-tabsBackground);
  display: flex;
  justify-content: flex-end;
}

/* ========================================
   完整视图样式
   ======================================== */

/* 已移除完整视图，统一为简洁模式 + 预览 */

/* 预览区域（仅变更行） */
.diff-preview {
  margin: 0;
  padding: 8px 10px;
  background: var(--vscode-textCodeBlock-background, rgba(0, 0, 0, 0.06));
  border-top: 1px solid var(--vscode-panel-border);
  max-height: 320px;
  overflow: auto;
}

.diff-file-path {
  font-weight: 500;
  flex: 1;
}

.diff-header-actions {
  display: flex;
  gap: 8px;
}

.diff-line {
  white-space: pre;
  font-family: var(--vscode-editor-font-family, 'Menlo', 'Monaco', 'Courier New', monospace);
  font-size: 0.88em;
  line-height: 1.45;
}

.diff-line.added {
  background: var(--vscode-diffEditor-insertedLineBackground, rgba(76, 175, 80, 0.18));
  color: var(--vscode-diffEditor-insertedTextForeground, #b5f1cc);
}

.diff-line.removed {
  background: var(--vscode-diffEditor-removedLineBackground, rgba(244, 67, 54, 0.18));
  color: var(--vscode-diffEditor-removedTextForeground, #f6b1a7);
}

.diff-line.no-change {
  color: var(--vscode-descriptionForeground);
  opacity: 0.8;
}

.diff-omitted {
  color: var(--vscode-descriptionForeground);
  font-style: italic;
  padding-top: 6px;
}

.diff-section {
  padding: 12px;
  background: var(--vscode-editor-background);
}

.diff-section + .diff-section {
  border-top: 1px solid var(--vscode-panel-border);
}

.diff-label {
  font-size: 0.85em;
  color: var(--vscode-descriptionForeground);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

/* ========================================
   按钮样式
   ======================================== */

.diff-action-button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border: none;
  border-radius: 4px;
  font-size: 0.9em;
  font-family: var(--vscode-font-family);
  cursor: pointer;
  transition: all 0.15s ease-in-out;
  white-space: nowrap;
}

.diff-action-button svg {
  flex-shrink: 0;
}

.diff-action-button.primary {
  background: var(--vscode-button-background);
  color: var(--vscode-button-foreground);
}

.diff-action-button.primary:hover {
  background: var(--vscode-button-hoverBackground);
}

.diff-action-button.primary:active {
  opacity: 0.9;
}

.diff-action-button.secondary {
  background: transparent;
  color: var(--vscode-textLink-foreground);
  padding: 4px 8px;
  font-size: 0.85em;
}

.diff-action-button.secondary:hover {
  background: var(--vscode-button-secondaryHoverBackground);
  text-decoration: underline;
}

.diff-action-button:focus {
  outline: 1px solid var(--vscode-focusBorder);
  outline-offset: 2px;
}

.diff-action-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ========================================
   代码块样式
   ======================================== */

.diff-section .code-block {
  margin: 0;
  padding: 12px;
  background: var(--vscode-textCodeBlock-background, rgba(0, 0, 0, 0.1));
  border: 1px solid var(--vscode-panel-border);
  border-radius: 4px;
  overflow-x: auto;
  font-family: var(--vscode-editor-font-family, 'Menlo', 'Monaco', 'Courier New', monospace);
  font-size: 0.9em;
  line-height: 1.5;
}

.diff-section .code-content {
  white-space: pre;
  color: var(--vscode-editor-foreground);
}

/* ========================================
   响应式调整
   ======================================== */

@media (max-width: 600px) {
  .diff-compact-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .diff-stats {
    align-self: flex-start;
  }
}

/* ========================================
   高对比度模式支持
   ======================================== */

@media (prefers-contrast: high) {
  .diff-compact-view,
  .diff-full-view {
    border-width: 2px;
  }

  .diff-stats > span {
    font-weight: 700;
    border: 1px solid currentColor;
  }

  .diff-action-button {
    border: 1px solid currentColor;
  }
}

/* ========================================
   深色主题优化
   ======================================== */

@media (prefers-color-scheme: dark) {
  .diff-compact-view:hover {
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
  }

  .stat-added {
    background: rgba(78, 201, 176, 0.2);
  }

  .stat-removed {
    background: rgba(244, 135, 113, 0.2);
  }

  .stat-changed {
    background: rgba(229, 192, 123, 0.2);
  }
}

/* ========================================
   LocationsList 样式（用于 FileLink 列表）
   ======================================== */

.locations-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}