/* 高中數學｜工具地圖（心智圖）專用樣式 */

/* 長數學式在窄螢幕要自己橫捲（style.css 也有，這裡重複一次以防舊快取） */
.katex-display { overflow-x: auto; overflow-y: hidden; padding: 3px 0; }
.katex-display > .katex { text-align: initial; }


.map-hero { text-align: center; padding: 26px 0 6px; }
.map-hero h1 { font-size: 2rem; margin: 0 0 6px; }
.map-hero p { color: var(--ink-soft); margin: 0; }

.wrap-wide { max-width: 1280px; margin: 0 auto; padding: 20px 18px 90px; }

/* ── 心智圖畫布 ── */
.mm-shell {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); margin: 18px 0; overflow: hidden;
}
.mm-bar {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 10px 14px; border-bottom: 1px solid var(--line); background: #fbfcfe;
  font-size: .9rem; color: var(--ink-soft);
}
.mm-bar .sp { flex: 1; }
.mm-bar button {
  border: 1.5px solid var(--line); background: #fff; border-radius: 8px;
  padding: 4px 12px; cursor: pointer; font-family: inherit; font-weight: 600;
  color: var(--ink-soft); font-size: .88rem;
}
.mm-bar button:hover { border-color: var(--blue); color: var(--blue); }
.mm-scroll { overflow: auto; max-height: 78vh; background:
  radial-gradient(circle at 1px 1px, #e8ecf4 1px, transparent 0) 0 0/22px 22px; }
.mm-scroll svg { display: block; }

.mm-node { cursor: pointer; }
.mm-node rect { transition: filter .12s; }
.mm-node:hover rect { filter: brightness(.97); }
.mm-node text { font-family: "Segoe UI","Microsoft JhengHei","PingFang TC",system-ui,sans-serif; }
.mm-node.leaf text { fill: #374151; }
.mm-link { fill: none; }

/* ── 明細抽屜 ── */
.mm-drawer {
  position: fixed; top: 0; right: 0; height: 100%; width: min(430px, 92vw);
  background: #fff; border-left: 1px solid var(--line); box-shadow: -6px 0 24px rgba(0,0,0,.10);
  transform: translateX(105%); transition: transform .22s ease; z-index: 200;
  display: flex; flex-direction: column;
}
.mm-drawer.open { transform: translateX(0); }
.mm-drawer .dw-head {
  padding: 14px 18px; border-bottom: 1px solid var(--line);
  display: flex; align-items: flex-start; gap: 10px;
}
.mm-drawer .dw-head h3 { margin: 0; font-size: 1.12rem; flex: 1; }
.mm-drawer .dw-head .dw-x {
  border: none; background: #f3f4f6; border-radius: 8px; cursor: pointer;
  width: 30px; height: 30px; font-size: 1rem; color: var(--ink-soft); font-family: inherit;
}
.mm-drawer .dw-body { padding: 16px 18px 40px; overflow-y: auto; }
.dw-sec { margin-bottom: 14px; }
.dw-sec .dw-lab {
  font-size: .78rem; font-weight: 800; letter-spacing: .04em;
  padding: 2px 9px; border-radius: 999px; display: inline-block; margin-bottom: 6px;
}
.lab-f { background: var(--green-soft); color: var(--green); }
.lab-w { background: var(--amber-soft); color: #92400e; }
.lab-l { background: #fef2f2; color: var(--red); }
.lab-t { background: var(--purple-soft); color: var(--purple); }
.lab-x { background: var(--blue-soft); color: var(--blue); }
.dw-sec .dw-txt { font-size: .95rem; }
.dw-formula {
  background: var(--green-soft); border: 1px solid #a7f3d0; border-radius: 10px;
  padding: 10px 14px; overflow-x: auto;
}
.dw-ref a { color: var(--blue); font-weight: 700; text-decoration: none; font-size: .92rem; }
.dw-ref a:hover { text-decoration: underline; }

/* ── 領域卡（總圖下方圖例） ── */
.dom-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px,1fr)); gap: 14px; margin-top: 14px; }
.dom-card {
  background: var(--card); border: 1px solid var(--line); border-left-width: 6px;
  border-radius: var(--radius); padding: 14px 16px; box-shadow: var(--shadow);
  text-decoration: none; color: var(--ink); display: flex; flex-direction: column; gap: 5px;
  transition: transform .12s;
}
.dom-card:hover { transform: translateY(-2px); }
.dom-card .dc-t { font-weight: 800; font-size: 1.05rem; }
.dom-card .dc-a { font-size: .86rem; color: var(--ink-soft); }
.dom-card .dc-k { font-size: .8rem; color: var(--ink-soft); }

/* ── 搜尋 ── */
.kw-search { margin: 18px 0 6px; }
.kw-search input {
  width: 100%; font-size: 1.02rem; padding: 12px 16px; border-radius: 12px;
  border: 1.5px solid var(--line); font-family: inherit; background: #fff;
}
.kw-search input:focus { outline: none; border-color: var(--blue); }
.kw-hint { font-size: .84rem; color: var(--ink-soft); margin: 6px 2px; }
.hit-list { display: grid; gap: 10px; margin-top: 10px; }
.hit {
  background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px;
  cursor: pointer; border-left: 4px solid var(--blue);
}
.hit:hover { background: #fafbff; }
.hit .h-t { font-weight: 700; }
.hit .h-p { font-size: .8rem; color: var(--ink-soft); }
.hit .h-w { font-size: .88rem; color: #92400e; }

/* ── 工具總表 ── */
table.tools { width: 100%; border-collapse: collapse; font-size: .92rem; background: #fff; }
table.tools th, table.tools td { border: 1px solid var(--line); padding: 8px 11px; text-align: left; vertical-align: top; }
table.tools th { background: var(--blue-soft); color: #1e40af; position: sticky; top: 0; }
table.tools td.t-n { font-weight: 700; white-space: nowrap; }
table.tools td.t-l { color: #b91c1c; }
.tbl-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
.topic-h { margin: 30px 0 8px; font-size: 1.15rem; display: flex; align-items: center; gap: 10px; }
.topic-h .th-kw { font-size: .8rem; font-weight: 500; color: var(--ink-soft); }

/* ── 破題流程 ── */
.flow-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px,1fr)); gap: 12px; }
.flow-card { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; box-shadow: var(--shadow); }
.flow-card h4 { margin: 0 0 8px; font-size: 1rem; color: var(--blue); }
.flow-card ul { margin: 0; padding-left: 20px; font-size: .92rem; }
.flow-card li { margin: 4px 0; }
.flow-card b { color: var(--amber); }

.legend { display: flex; gap: 12px; flex-wrap: wrap; font-size: .84rem; color: var(--ink-soft); margin: 8px 0; }
.legend span { display: inline-flex; align-items: center; gap: 5px; }
.legend i { width: 14px; height: 14px; border-radius: 4px; display: inline-block; }

/* ── 跨章決策流程圖 ── */
.cx-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin: 18px 0 10px; }
.cx-tabs button {
  border: 1.5px solid var(--line); background: #fff; border-radius: 999px;
  padding: 7px 16px; cursor: pointer; font-weight: 700; font-size: .93rem;
  color: var(--ink-soft); font-family: inherit;
}
.cx-tabs button:hover { border-color: #cbd5e1; }
.cx-tabs button.active { color: #fff; }
.cx-lead {
  background: #fff; border: 1px solid var(--line); border-left-width: 6px;
  border-radius: var(--radius); padding: 14px 18px; box-shadow: var(--shadow); margin: 6px 0 12px;
}
.cx-lead h2 { margin: 0 0 6px; font-size: 1.3rem; }
.cx-lead p { margin: 0; color: var(--ink-soft); }
.cx-kw { display: flex; gap: 7px; flex-wrap: wrap; margin: 10px 0 0; }
.cx-kw span {
  font-size: .84rem; padding: 3px 11px; border-radius: 999px;
  background: var(--amber-soft); color: #92400e; border: 1px solid #fde68a; font-weight: 600;
}
.fl-node text { font-family: "Segoe UI","Microsoft JhengHei","PingFang TC",system-ui,sans-serif; }
.cx-notes { display: grid; gap: 12px; margin-top: 16px; }
.cx-note {
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  padding: 14px 18px; box-shadow: var(--shadow);
}
.cx-note h4 { margin: 0 0 6px; font-size: 1rem; }
.cx-note div { font-size: .95rem; }

/* ── 版本切換（完整版 / 學測版） ── */
.ed-sw { display: inline-flex; border: 1.5px solid var(--line); border-radius: 999px; overflow: hidden; background: #fff; }
.ed-sw button {
  border: none; background: transparent; padding: 3px 13px; cursor: pointer;
  font-family: inherit; font-weight: 700; font-size: .84rem; color: var(--ink-soft);
}
.ed-sw button.on { background: var(--purple); color: #fff; }
.ed-banner {
  background: var(--purple-soft); border: 1px solid #ddd6fe; border-left: 6px solid var(--purple);
  border-radius: var(--radius); padding: 14px 18px; margin: 16px 0;
}
.ed-banner .ed-title { font-weight: 700; margin-bottom: 6px; }
.ed-banner summary { cursor: pointer; font-size: .92rem; color: var(--purple); font-weight: 700; }
.ed-banner ul { margin: 10px 0; padding-left: 20px; font-size: .9rem; }
.ed-banner li { margin: 7px 0; }
.ed-banner li span { color: var(--ink-soft); font-size: .86rem; }
.ed-unc { font-size: .86rem; color: var(--ink-soft); margin: 8px 0 0; }
.ed-note {
  font-size: .86rem; color: var(--ink-soft); background: var(--purple-soft);
  border: 1px solid #ddd6fe; border-radius: 10px; padding: 8px 14px; margin: 10px 0;
}

/* ── 清單模式（窄螢幕自動切換，也可手動切） ── */
.mm-scroll.list { max-height: none; overflow: visible; background: none; }
.lv { display: grid; gap: 10px; padding: 14px; }
.lv-item { background: #fff; border: 1px solid var(--line); border-left: 5px solid; border-radius: 12px; }
.lv-item > summary {
  cursor: pointer; padding: 12px 16px; font-weight: 800; font-size: 1.02rem;
  display: flex; justify-content: space-between; gap: 10px; align-items: center; list-style: none;
}
.lv-item > summary::-webkit-details-marker { display: none; }
.lv-item > summary::after { content: "▾"; color: var(--ink-soft); font-size: .9rem; }
.lv-item[open] > summary::after { content: "▴"; }
.lv-n { font-size: .78rem; color: var(--ink-soft); font-weight: 600; white-space: nowrap; }
.lv-body { padding: 0 16px 14px; }
.lv-ask { font-size: .9rem; color: var(--ink-soft); margin: 0 0 10px; }
.lv-chip {
  display: inline-block; margin: 0 6px 6px 0; padding: 5px 12px; border: 1px solid var(--line);
  border-radius: 999px; text-decoration: none; color: var(--ink); font-size: .9rem; background: #fafbfd;
}
.lv-chip:hover { border-color: #94a3b8; }
.lv-go { display: inline-block; margin-top: 8px; font-weight: 700; text-decoration: none; font-size: .92rem; }
.lv-tool {
  display: block; width: 100%; text-align: left; background: #fff; border: 1px solid var(--line);
  border-left: 4px solid #cbd5e1; border-radius: 8px; padding: 9px 12px; margin: 0 0 8px;
  cursor: pointer; font-family: inherit; font-size: .95rem; color: var(--ink);
}
.lv-tool:hover { background: #f8fafc; }
.lv-tool b { display: block; }
.lv-tool span { display: block; font-size: .84rem; color: #92400e; margin-top: 2px; }

.fl-list { padding: 14px; }
.fl-q { border: 1.5px solid var(--line); border-radius: 10px; padding: 10px 14px; font-weight: 800; margin: 0 0 10px; }
.fl-q.sub { background: #f1f5f9; color: #334155; }
.fl-br { border-left: 3px solid var(--line); margin: 0 0 8px 6px; padding-left: 12px; }
.fl-br > summary { cursor: pointer; font-weight: 700; padding: 7px 0; font-size: .95rem; }
.fl-in { padding: 4px 0 8px; }
.fl-leaf { background: #fff; border: 1px solid var(--line); border-radius: 9px; padding: 9px 13px; margin: 0 0 8px; }
.fl-leaf.warn { background: #fef2f2; border-color: #fecaca; }
.fl-leaf b { display: block; font-size: .98rem; }
.fl-on {
  display: inline-block; color: #fff; font-size: .75rem; font-weight: 700;
  padding: 2px 9px; border-radius: 999px; margin-bottom: 5px;
}
.fl-leaf.warn .fl-on { background: #dc2626 !important; }
.fl-note { display: block; font-size: .85rem; color: var(--ink-soft); margin-top: 3px; }

/* ── 手機：工具總表改成卡片 ── */
@media (max-width: 720px) {
  .map-hero h1 { font-size: 1.55rem; }
  .tbl-scroll { border: none; border-radius: 0; }
  table.tools thead { display: none; }
  table.tools, table.tools tbody, table.tools tr, table.tools td { display: block; width: 100%; }
  table.tools tr {
    border: 1px solid var(--line); border-radius: 10px; margin-bottom: 10px;
    padding: 6px 2px; background: #fff;
  }
  table.tools td { border: none; padding: 5px 12px; }
  table.tools td::before {
    content: attr(data-l); display: block; font-size: .72rem; font-weight: 800;
    color: var(--ink-soft); letter-spacing: .04em;
  }
  table.tools td.t-n { font-size: 1.02rem; white-space: normal; }
  .mm-drawer { width: 100vw; }
}

@media print {
  .topbar, .mm-bar, .kw-search, .mm-drawer, .cx-tabs { display: none; }
  .mm-scroll { max-height: none; overflow: visible; background: none; }
}