/* 現有品牌色：深綠 #17372f、米白 #ede7dc、表面 #fffdf8、文字 #18231f、邊界 #d8cebd。
   標題沿用展示字，操作與數字沿用 Avenir / PingFang；首屏以拍照與核對為主。 */
.invoice-shell-toggle { display: none; }
body.invoice-expense-mode .topbar {
  align-items: center;
  margin-bottom: 12px;
  padding-bottom: 12px;
}
body.invoice-expense-mode .topbar h1 { font-size: clamp(26px, 2.5vw, 34px); line-height: 1.2; }
body.invoice-expense-mode #pageSectionLabel { display: none; }
body.invoice-expense-mode .internal-tools-panel { background: var(--surface); }
body.invoice-expense-mode .internal-tools-panel iframe { min-height: 420px; }
@media (max-width: 720px) {
  body.invoice-expense-mode .app-shell { min-height: 0; }
  body.invoice-expense-mode .sidebar { padding: 10px 14px; gap: 0; }
  body.invoice-expense-mode .brand { display: flex; width: 100%; gap: 10px; margin: 0; padding: 0; border: 0; }
  body.invoice-expense-mode .brand img { width: 32px; height: 32px; }
  body.invoice-expense-mode .brand strong { font-size: 18px; }
  body.invoice-expense-mode .brand span { display: none; }
  body.invoice-expense-mode .invoice-shell-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 8px 12px;
    border: 1px solid var(--line);
    background: var(--surface);
    color: var(--accent);
    border-radius: 6px;
    font-size: 13px;
    cursor: pointer;
  }
  body.invoice-expense-mode .invoice-navigation-toggle { margin-left: auto; border-color: #668076; background: transparent; color: #fffdf8; }
  body.invoice-expense-mode .nav-list { display: none; }
  body.invoice-expense-mode.invoice-navigation-open .nav-list { display: grid; margin-top: 10px; }
  body.invoice-expense-mode .sidebar-note { display: none; }
  body.invoice-expense-mode .workspace { padding: 12px 10px 20px; }
  body.invoice-expense-mode .topbar { display: grid; grid-template-columns: 1fr auto; gap: 8px; padding-bottom: 10px; margin-bottom: 10px; }
  body.invoice-expense-mode .topbar h1 { font-size: 25px; margin: 0; }
  body.invoice-expense-mode .topbar-tools { display: none; grid-column: 1 / -1; min-width: 0; }
  body.invoice-expense-mode.invoice-system-open .topbar-tools { display: grid; }
  body.invoice-expense-mode .internal-tools-panel { margin: 0; border: 0; overflow: visible; }
  body.invoice-expense-mode .internal-tools-panel iframe { height: 680px; }
  .invoice-shell-toggle:focus-visible { outline: 3px solid var(--brass); outline-offset: 3px; }
}