/* ============================================================
   文件记录窗口 + 右侧预览侧边栏 + toast 样式
   复用 style.css 变量；⋯ 按钮复用 runner.css 的 .item-menu-btn
   ============================================================ */

/* ---------------- 文件条目：[⋯] 左 + 文件名，无状态点 ---------------- */

.file-item {
  height: var(--row-h);
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0 10px 0 6px;
  overflow: hidden;
  cursor: pointer;
  transition: background 0.12s ease;
}

.file-item:hover { background: var(--hover-wash); }

/* 当前正在预览的文件保持高亮 */
.file-item.is-active { background: var(--surface-wash); }

.file-item.is-entering {
  opacity: 0;
  animation: todo-in 0.34s var(--ease-out) forwards;
}

.file-name {
  flex: 1;
  min-width: 0;
  font-size: 13px;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ---------------- 右侧预览侧边栏 ---------------- */

/* 打开时悬浮窗栈向左让位 */
.float-stack { transition: right 0.3s var(--ease-out); }
body.preview-open .float-stack { right: calc(20px + 440px + 12px); }

/* 详情面板同样让位 */
.detail-panel { transition: right 0.3s var(--ease-out); }
body.preview-open .detail-panel {
  right: calc(20px + 440px + 12px + var(--window-max-w) * 0.9 + 12px);
}

.file-preview {
  position: fixed;
  top: 20px;
  right: 20px;
  bottom: 20px;
  width: 440px;
  max-width: calc(100vw - 80px);
  background: var(--surface-float);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  box-shadow: var(--shadow-float);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  z-index: 95;
  /* 初始藏在屏幕右缘外；用 visibility 配合 transform 做滑入滑出 */
  transform: translateX(calc(100% + 24px));
  visibility: hidden;
  transition: transform 0.3s var(--ease-out), visibility 0s linear 0.3s;
}

.file-preview.is-open {
  transform: translateX(0);
  visibility: visible;
  transition: transform 0.3s var(--ease-out), visibility 0s;
}

/* 预览头部：文件名 + 目录 + 关闭 */
.preview-header {
  flex: none;
  height: 44px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 14px;
  border-bottom: 1px solid var(--border-subtle);
}

.preview-header svg {
  flex: none;
  width: 15px;
  height: 15px;
  color: var(--accent);
}

.preview-name {
  flex: none;
  font-size: 13px;
  font-weight: 600;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  color: var(--text-primary);
}

.preview-path {
  flex: 1;
  min-width: 0;
  font-size: 11.5px;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  color: var(--text-tertiary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.preview-close {
  flex: none;
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  background: none;
  border: none;
  border-radius: 6px;
  color: var(--text-tertiary);
  cursor: pointer;
  transition: background 0.12s ease, color 0.12s ease;
}

.preview-close svg { width: 13px; height: 13px; color: inherit; }

.preview-close:hover { background: rgba(38, 36, 31, 0.07); color: var(--text-secondary); }

/* 预览内容：等宽 + 行号 */
.preview-body {
  flex: 1;
  overflow: auto;
  padding: 8px 0 12px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.preview-body::-webkit-scrollbar { display: none; width: 0; height: 0; }

.code-line {
  display: flex;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 12px;
  line-height: 1.75;
}

.code-line:hover { background: var(--hover-wash); }

.line-no {
  flex: none;
  width: 44px;
  padding-right: 12px;
  text-align: right;
  color: var(--text-tertiary);
  user-select: none;
}

.line-text {
  flex: 1;
  padding-right: 14px;
  white-space: pre;
  color: var(--text-primary);
}

/* ---------------- 文件菜单（普通项，非危险色） ---------------- */

.file-menu .menu-item { color: var(--text-primary); }
.file-menu .menu-item:hover { background: var(--surface-wash); }

/* ---------------- demo toast 反馈 ---------------- */

.demo-toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  padding: 8px 14px;
  border-radius: 8px;
  background: #26241f;
  color: #faf9f5;
  font-size: 12.5px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 400;
}

.demo-toast.is-show { opacity: 1; transform: translateX(-50%) translateY(0); }