/* 引入 Google Fonts：Noto Sans TC (繁中) 與 Roboto (英數) */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+TC:wght@400;500;700&family=Roboto:wght@400;500;700&display=swap');

/* 全域字體設定 */
body {
  font-family: "Roboto", "Noto Sans TC", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #222;
  background-color: #fafafa;
  margin: 0;
  padding: 0;
}

/* 版面寬度控制：讓 Quarto 頁面保持適當留白 */
main.content {
  max-width: 850px;
  margin: 2rem auto;
  padding: 0 1rem;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

/* 標題樣式 */
h1, h2, h3, h4, h5, h6 {
  font-family: "Roboto", "Noto Sans TC", sans-serif;
  font-weight: 600;
  color: #111;
  margin-top: 2rem;
  margin-bottom: 1rem;
  letter-spacing: 0.5px;
}

/* 主標題 */
h1 {
  font-size: 2.2rem;
  border-bottom: 3px solid #336699;
  padding-bottom: 0.5rem;
}

/* 副標題 */
h2 {
  font-size: 1.6rem;
  border-left: 4px solid #336699;
  padding-left: 0.6rem;
}

/* 段落 */
p {
  margin: 1rem 0;
  color: #333;
}

/* 連結樣式 */
a {
  color: #336699;
  text-decoration: none;
  transition: color 0.2s ease;
}
a:hover {
  color: #003366;
  text-decoration: underline;
}

/* 表格樣式 */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.95rem;
}
th, td {
  padding: 0.75rem;
  border-bottom: 1px solid #ddd;
}
th {
  background-color: #f0f3f7;
  text-align: left;
  font-weight: 600;
}

/* 程式碼區塊 */
pre, code {
  font-family: "Fira Code", "Roboto Mono", monospace;
  background-color: #f6f8fa;
  border-radius: 6px;
  padding: 0.2em 0.4em;
}
pre {
  padding: 1rem;
  overflow-x: auto;
}

/* 區塊引言 */
blockquote {
  border-left: 4px solid #336699;
  padding-left: 1rem;
  color: #555;
  font-style: italic;
  background: #f9fafc;
  margin: 1.2rem 0;
}

/* 按鈕樣式（若有互動元素） */
button {
  font-family: inherit;
  padding: 0.6rem 1.2rem;
  border-radius: 6px;
  border: none;
  background-color: #336699;
  color: #fff;
  cursor: pointer;
  transition: background-color 0.2s ease;
}
button:hover {
  background-color: #003366;
}

/* ── Mermaid 流程圖全域修正 ── */
.mermaid-figure svg,
.cell-output-display svg {
  max-width: 100%;
  height: auto !important;
}
/* 節點圓角 */
.node rect,
.node polygon {
  rx: 8px;
  ry: 8px;
}
/* 確保 foreignObject 內容不溢出 */
.node foreignObject {
  overflow: visible;
}
/* 可左右滑動容器（長流程圖用） */
.flow-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding: 1rem 0;
  margin: 1rem 0;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  background: #fcfcfc;
}
.flow-scroll svg {
  min-width: 650px;
  height: auto !important;
}

/* ── 圖表下方筆記式註解 ── */
.chart-note {
  margin: 0.5rem 0 1.5rem 0;
  padding: 0.7rem 1rem;
  border-left: 4px solid #18A3A3;
  border-radius: 0 6px 6px 0;
  background: #f4fafa;
  font-size: 0.92rem;
  line-height: 1.65;
  color: #333;
}
/* ── Landing page 課程卡片 ── */
.landing-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.2rem;
  margin: 1.5rem 0;
}
.landing-card {
  border: 1px solid #e0e0e0;
  border-radius: 10px;
  padding: 1.2rem 1.4rem;
  background: #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.landing-card:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.10);
  transform: translateY(-2px);
}
.landing-card h3 {
  font-size: 1.15rem;
  margin-top: 0;
  margin-bottom: 0.5rem;
  border: none;
  padding: 0;
}
.landing-card p {
  font-size: 0.92rem;
  color: #555;
  margin: 0;
}

.chart-note.teal   { border-left-color: #18A3A3; background: #f0fafa; }
.chart-note.pink   { border-left-color: #FF4D8D; background: #fff5f8; }
.chart-note.orange { border-left-color: #E65100; background: #fff8f0; }
.chart-note.grey   { border-left-color: #7A7A7A; background: #f5f5f5; }
.chart-note strong { color: #111; }
.chart-note code   { background: #e8e8e8; padding: 0.1em 0.35em; border-radius: 3px; font-size: 0.88em; }