/* 模擬試題卷：螢幕閱讀與 A4 列印共用。 */
:root { --ink: #17211d; --muted: #4f5d56; --line: #b9c4bd; --paper: #fffdf8; --accent: #b4432c; --soft: #eef2ed; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) { --ink: #e9eee9; --muted: #aab5af; --line: #445049; --paper: #151b18; --accent: #f08a70; --soft: #1f2723; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--soft); color: var(--ink); font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif; line-height: 1.8; }
.sheet { width: min(210mm, calc(100% - 32px)); margin: 24px auto; padding: 18mm 16mm; background: var(--paper); border: 1px solid var(--line); }
.toolbar { width: min(210mm, calc(100% - 32px)); margin: 16px auto 0; display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: space-between; font-size: .92rem; }
.toolbar a, .toolbar button { color: inherit; }
.toolbar button { padding: 8px 14px; border: 1px solid var(--ink); border-radius: 999px; background: transparent; font: inherit; cursor: pointer; }
.exam-head { text-align: center; border-bottom: 2px solid var(--ink); padding-bottom: 10px; margin-bottom: 18px; }
.exam-head p { margin: 0; }
.exam-head .mock-tag { display: inline-block; margin-bottom: 6px; padding: 2px 12px; border: 1px solid var(--accent); border-radius: 999px; color: var(--accent); font-size: .85rem; font-weight: 700; }
.exam-head h1 { margin: 6px 0; font-size: 1.35rem; }
.id-line { display: flex; gap: 32px; justify-content: flex-end; margin-top: 10px; font-size: .95rem; }
h2 { margin: 26px 0 8px; font-size: 1.12rem; }
h3 { margin: 18px 0 6px; font-size: 1rem; }
ol, ul { padding-left: 1.6em; }
li { margin: 4px 0; }
.notice { padding: 10px 14px; border: 1px solid var(--ink); }
.notice p { margin: 0 0 4px; font-weight: 700; }
.suggest { color: var(--muted); }
.important { font-weight: 700; }
.material { padding: 12px 16px; border-left: 4px solid var(--line); background: var(--soft); }
.material h3 { margin-top: 12px; }
table { width: 100%; border-collapse: collapse; margin: 8px 0 14px; font-size: .95rem; }
th, td { padding: 6px 8px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
th { background: var(--soft); }
.teacher { margin-top: 32px; padding-top: 12px; border-top: 3px double var(--ink); }
.teacher h2:first-child { margin-top: 0; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .92em; overflow-wrap: anywhere; }
@media (max-width: 600px) { .sheet { padding: 20px 16px; } .id-line { flex-direction: column; gap: 4px; } }
@media print {
  @page { size: A4; margin: 14mm 14mm 16mm; }
  body { background: #fff; color: #000; }
  .toolbar { display: none; }
  .sheet { width: auto; margin: 0; padding: 0; border: 0; background: #fff; }
  .material { background: #fff; }
  .teacher { break-before: page; }
  h2, h3 { break-after: avoid; }
  table, li { break-inside: avoid; }
}

/* 教師附錄預設收合：自學時不會往下捲就看到評分與提示 */
.teacher-fold > summary { cursor: pointer; font-weight: 700; padding: 8px 0; }
@media print { .teacher-fold > summary { display: none; } }

/* 「列印試題」：附錄（評分對照、配時、本題陷阱，約 3 頁）整段不印 */
@media print { .no-appendix .teacher { display: none; } }
.toolbar button + button { margin-left: 8px; }

/* 手機：欄位多的表格不要擠成一字一行，保持每欄最小寬度、表格整個左右滑 */
@media (max-width: 600px) {
  table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  th, td { min-width: 7em; }
}