/* HA Tutorial — WoowTech brand aligned */
:root {
  /* Brand palette — spot color = blue-500 */
  --ww-blue: #6183FC;
  --ww-blue-600: #4A6DE8;
  --ww-blue-700: #3A57C4;
  --ww-blue-050: #EEF2FF;
  --ww-blue-100: #DCE4FF;

  --ink-900: #1B2033;
  --ink-700: #3A4054;
  --ink-500: #6B7186;
  --ink-300: #A5AAB9;
  --ink-100: #E7E9F0;

  --paper: #F7F8FC;
  --surface: #FFFFFF;
  --surface-alt: #F1F3FA;
  --hairline: #E2E5EF;

  --info: var(--ww-blue);
  --tip:  #8CD37F;
  --warn: #E66D3E;
  --danger: #F45D6D;

  /* Radius — 20px hard rule; 12px chips; pill buttons */
  --radius: 20px;
  --radius-sm: 12px;
  --radius-xs: 8px;
  --radius-pill: 999px;

  /* Soft diffuse shadows */
  --shadow-sm: 0 2px 6px rgba(27, 32, 51, 0.05), 0 1px 2px rgba(27, 32, 51, 0.04);
  --shadow-md: 0 8px 24px rgba(27, 32, 51, 0.08), 0 2px 6px rgba(27, 32, 51, 0.04);
  --shadow-lg: 0 20px 48px rgba(27, 32, 51, 0.12), 0 4px 12px rgba(27, 32, 51, 0.06);

  /* Type stacks */
  --font-display: "Outfit", "Poppins", -apple-system, BlinkMacSystemFont, "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  --font-body: "Poppins", -apple-system, BlinkMacSystemFont, "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  --font-script: "Yellowtail", cursive;
  --font-mono: "SF Mono", Menlo, Consolas, "Fira Code", monospace;

  --sidebar-w: 268px;
  --max-content: 780px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font-body);
  color: var(--ink-900);
  background: var(--paper);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 { font-family: var(--font-display); letter-spacing: -0.005em; }

a {
  color: var(--ww-blue-600);
  text-decoration: none;
  transition: color 0.15s;
}
a:hover { color: var(--ww-blue-700); text-decoration: underline; }

/* ---------- Layout ---------- */
.layout {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: 100vh;
}

.sidebar {
  background: var(--surface);
  border-right: 1px solid var(--hairline);
  padding: 28px 22px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.sidebar h2 {
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--ink-500);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  margin: 0 0 12px;
}

.sidebar .brand {
  display: block;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--ink-900);
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}

.sidebar .brand-sub {
  font-size: 13px;
  color: var(--ink-500);
  margin-bottom: 28px;
}

.sidebar ol {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  counter-reset: chap;
}

.sidebar ol li {
  counter-increment: chap;
  margin-bottom: 2px;
}

.sidebar ol li a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  color: var(--ink-700);
  font-size: 14px;
  transition: background 0.15s, color 0.15s;
}

.sidebar ol li a::before {
  content: counter(chap, decimal-leading-zero);
  color: var(--ink-300);
  font-family: var(--font-display);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  font-weight: 600;
  width: 22px;
  flex-shrink: 0;
}

.sidebar ol li a:hover {
  background: var(--ww-blue-050);
  color: var(--ww-blue-700);
  text-decoration: none;
}

.sidebar ol li a.active {
  background: var(--ww-blue-050);
  color: var(--ww-blue-700);
  font-weight: 600;
}
.sidebar ol li a.active::before {
  color: var(--ww-blue);
}

.sidebar .toc-in-chapter {
  border-top: 1px solid var(--hairline);
  padding-top: 16px;
  margin-top: 8px;
}

.sidebar .toc-in-chapter a {
  display: block;
  padding: 6px 12px;
  border-radius: var(--radius-xs);
  color: var(--ink-700);
  font-size: 13px;
}
.sidebar .toc-in-chapter a:hover {
  background: var(--surface-alt);
  text-decoration: none;
}
.sidebar .toc-in-chapter a.active {
  color: var(--ww-blue-700);
  font-weight: 600;
}

/* ---------- Content ---------- */
.content {
  padding: 56px 64px 96px;
  max-width: calc(var(--max-content) + 128px);
}

.chapter-header {
  margin-bottom: 44px;
}

.chapter-header .kicker {
  color: var(--ww-blue);
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.chapter-header h1 {
  font-family: var(--font-display);
  font-size: 38px;
  font-weight: 700;
  margin: 0 0 14px;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.chapter-header .lead {
  font-size: 17px;
  color: var(--ink-700);
  margin: 0;
  max-width: var(--max-content);
}

/* Sections */
section {
  margin-bottom: 56px;
  scroll-margin-top: 24px;
}

/* MDI icon at section header — driven by data-icon */
section h2 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  margin: 0 0 20px;
  padding: 0;
  border: 0;
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--ink-900);
}
section h2[data-icon]::before {
  content: "";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--ww-blue-050);
  color: var(--ww-blue-700);
  font-family: "Material Design Icons";
  font-size: 22px;
  font-style: normal;
  flex-shrink: 0;
  transition: background 0.15s;
}
/* Explicit icon glyphs — mapped via ::before for each data-icon */
section h2[data-icon="why"]::before        { content: "\F0335"; }  /* lightbulb-outline */
section h2[data-icon="steps"]::before      { content: "\F027B"; }  /* format-list-numbered */
section h2[data-icon="faq"]::before        { content: "\F0186"; }  /* comment-question-outline */
section h2[data-icon="url"]::before        { content: "\F059F"; }  /* web */
section h2[data-icon="companion"]::before  { content: "\F0121"; }  /* cellphone-link */
section h2[data-icon="enter"]::before      { content: "\F05FC"; }  /* login-variant */
section h2[data-icon="profile"]::before    { content: "\F1370"; }  /* account-cog */
section h2[data-icon="now"]::before        { content: "\F0349"; }  /* magnify */
section h2[data-icon="plan"]::before       { content: "\F0821"; }  /* view-dashboard-outline */
section h2[data-icon="assign"]::before     { content: "\F1616"; }  /* connection */
section h2[data-icon="done"]::before       { content: "\F05E1"; }  /* check-circle-outline */
section h2[data-icon="concept"]::before    { content: "\F04FC"; }  /* tag-multiple-outline (fallback tag) */
section h2[data-icon="rename"]::before     { content: "\F0455"; }  /* rename-box */
section h2[data-icon="labels"]::before     { content: "\F1375"; }  /* label-multiple */
section h2[data-icon="persons"]::before    { content: "\F0010"; }  /* account-multiple-plus */
section h2[data-icon="tabs"]::before       { content: "\F04E9"; }  /* tab */
section h2[data-icon="tips"]::before       { content: "\F04CF"; }  /* star-outline */
section h2[data-icon="app"]::before        { content: "\F09D5"; }  /* cellphone-arrow-down */
section h2[data-icon="login"]::before      { content: "\F0306"; }  /* key */
section h2[data-icon="test"]::before       { content: "\F0668"; }  /* test-tube */
section h2[data-icon="advanced"]::before   { content: "\F062E"; }  /* tune */

section h3 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  margin: 28px 0 12px;
  color: var(--ink-900);
}

section p, section li {
  color: var(--ink-700);
  max-width: var(--max-content);
}

/* Steps — numbered circles stay blue for consistency */
.steps {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: step;
}
.steps > li {
  counter-increment: step;
  position: relative;
  padding: 22px 22px 22px 72px;
  margin-bottom: 14px;
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.steps > li::before {
  content: counter(step);
  position: absolute;
  left: 20px;
  top: 20px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--ww-blue);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(97, 131, 252, 0.35);
}
.steps > li h3 {
  margin: 0 0 8px;
  font-size: 16px;
}
.steps > li p:last-child { margin-bottom: 0; }

/* Screenshot figure — plain white card, no glass, protect red annotations */
figure.shot {
  margin: 22px 0 26px;
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  position: relative;
}
figure.shot img {
  display: block;
  width: 100%;
  height: auto;
  min-height: 60px;
  background: repeating-linear-gradient(45deg, #F1F3FA, #F1F3FA 12px, #E7E9F0 12px, #E7E9F0 24px);
  color: transparent;
}
figure.shot img::before {
  content: "(截圖尚未產生 · 可執行 capture.js 補上)";
  color: var(--ink-500);
  font-size: 13px;
  display: block;
  padding: 40px;
  text-align: center;
  background: var(--surface);
}
figure.shot figcaption {
  padding: 14px 18px;
  font-size: 13px;
  color: var(--ink-500);
  background: var(--surface-alt);
  border-top: 1px solid var(--hairline);
}
figure.shot figcaption strong {
  color: var(--ww-blue-700);
  margin-right: 6px;
}

/* Callout — info/tip/warn/danger */
.callout {
  padding: 14px 18px 14px 44px;
  border-radius: var(--radius-sm);
  background: var(--ww-blue-050);
  margin: 16px 0;
  font-size: 14px;
  color: var(--ink-700);
  position: relative;
  border: 1px solid rgba(97, 131, 252, 0.18);
}
.callout::before {
  position: absolute;
  left: 14px;
  top: 14px;
  font-family: "Material Design Icons";
  font-size: 18px;
  line-height: 1;
  color: var(--ww-blue);
}
.callout { }
.callout::before { content: "\F02FD"; } /* information */
.callout.tip {
  background: rgba(140, 211, 127, 0.14);
  border-color: rgba(140, 211, 127, 0.32);
}
.callout.tip::before { content: "\F0335"; color: #4E9C42; } /* lightbulb */
.callout.warn {
  background: rgba(230, 109, 62, 0.10);
  border-color: rgba(230, 109, 62, 0.28);
}
.callout.warn::before { content: "\F0026"; color: #B94D22; } /* alert */
.callout.danger {
  background: rgba(244, 93, 109, 0.10);
  border-color: rgba(244, 93, 109, 0.28);
}
.callout.danger::before { content: "\F0028"; color: #C63B4A; } /* alert-octagon */
.callout strong { color: var(--ink-900); }

/* Chapter index title on home */
.chapter-index .index-title {
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--ink-500);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 600;
  margin: 0 0 24px;
  border: 0;
  padding: 0;
  display: block;
}
.chapter-index .index-title::before { display: none; }

/* Multi-line code block */
pre.code-block {
  background: var(--surface-alt);
  color: var(--ink-900);
  padding: 16px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--hairline);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  overflow-x: auto;
  margin: 12px 0;
}

/* Inline code / key */
code {
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--surface-alt);
  padding: 2px 8px;
  border-radius: var(--radius-xs);
  color: var(--ww-blue-700);
}
kbd {
  font-family: var(--font-body);
  font-size: 12px;
  padding: 2px 8px;
  border-radius: var(--radius-xs);
  border: 1px solid var(--hairline);
  border-bottom-width: 2px;
  background: var(--surface);
  color: var(--ink-900);
  font-weight: 500;
}

/* FAQ (details) — chevron via MDI */
details.faq {
  margin-bottom: 10px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  background: var(--surface);
  padding: 0;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
details.faq summary {
  cursor: pointer;
  padding: 16px 48px 16px 20px;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--ink-900);
  list-style: none;
  position: relative;
}
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after {
  content: "\F0415"; /* mdi-plus */
  font-family: "Material Design Icons";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ww-blue);
  font-size: 20px;
  transition: transform 0.2s;
}
details.faq[open] summary::after { content: "\F0374"; } /* mdi-minus */
details.faq[open] summary { border-bottom: 1px solid var(--hairline); }
details.faq .body {
  padding: 16px 20px;
  color: var(--ink-700);
  font-size: 14px;
}

/* Prev / next pager */
.pager {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 72px;
  padding-top: 32px;
  border-top: 1px solid var(--hairline);
}
.pager a {
  flex: 1;
  padding: 18px 22px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink-900);
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s;
}
.pager a:hover {
  border-color: var(--ww-blue);
  text-decoration: none;
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}
.pager a .label {
  display: block;
  font-family: var(--font-display);
  font-size: 11px;
  color: var(--ink-500);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
  font-weight: 600;
}
.pager a .title {
  display: block;
  font-weight: 600;
  font-family: var(--font-display);
}
.pager a.next { text-align: right; }
.pager a.disabled {
  opacity: 0.4;
  pointer-events: none;
}

/* ---------- Home page ---------- */
.home {
  max-width: 960px;
  margin: 0 auto;
  padding: 88px 32px 96px;
}
.home .hero {
  text-align: center;
  margin-bottom: 72px;
}
.home .hero .kicker-script {
  font-family: var(--font-script);
  font-size: 32px;
  color: var(--ww-blue);
  line-height: 1;
  margin-bottom: 8px;
  display: block;
}
.home .hero .kicker {
  color: var(--ww-blue);
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 12px;
  margin-bottom: 16px;
}
.home .hero h1 {
  font-family: "Noto Sans TC", var(--font-display);
  font-size: 48px;
  font-weight: 700;
  margin: 0 0 20px;
  letter-spacing: -0.01em;
  line-height: 1.15;
  color: var(--ink-900);
}
.home .hero p {
  font-size: 18px;
  color: var(--ink-700);
  max-width: 640px;
  margin: 0 auto;
}

.chapter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 22px;
}
.chapter-card {
  display: block;
  padding: 26px 24px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink-900);
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s;
  position: relative;
}
.chapter-card:hover {
  border-color: var(--ww-blue);
  box-shadow: var(--shadow-md);
  text-decoration: none;
  transform: translateY(-2px);
}
.chapter-card .num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 12px;
  border-radius: var(--radius-xs);
  background: var(--ww-blue-050);
  color: var(--ww-blue-700);
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 14px;
}
.chapter-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  color: var(--ink-900);
}
.chapter-card p {
  margin: 0;
  color: var(--ink-500);
  font-size: 14px;
}

/* Responsive */
@media (max-width: 960px) {
  .layout {
    grid-template-columns: 1fr;
  }
  .sidebar {
    position: relative;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--hairline);
  }
  .content {
    padding: 32px 20px 64px;
  }
  .home {
    padding: 48px 20px 64px;
  }
  .home .hero h1 { font-size: 34px; }
  .home .hero .kicker-script { font-size: 26px; }
  section h2 { font-size: 20px; }
  section h2[data-icon]::before { width: 36px; height: 36px; font-size: 20px; }
}

/* Site footer — licence + attribution (generated by scripts/build_nav.js) */
.site-footer {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--hairline);
  color: var(--ink-700);
  font-size: 13.5px;
  line-height: 1.75;
}
.site-footer p { margin: 0 0 6px; }
.site-footer a { color: var(--ink-700); text-decoration: underline; text-underline-offset: 2px; }
.site-footer a:hover { color: var(--ww-blue-600); }
.site-footer .footer-meta { color: var(--ink-500); font-size: 12.5px; }
.home .site-footer { max-width: var(--max-content); margin-inline: auto; }

@media (max-width: 960px) {
  .site-footer { margin-top: 40px; font-size: 13px; }
}

/* 手機版側欄收合（由 assets/js/toc.js 加上 class；沒 JS 時維持全展開） */
.nav-toggle {
  display: none;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin: 4px 0 0;
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-900);
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
}
.nav-toggle-caret {
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 6px solid var(--ink-500);
  transition: transform 0.15s ease;
}
.sidebar.is-collapsed .nav-toggle-caret { transform: rotate(-90deg); }

@media (max-width: 960px) {
  .sidebar.is-collapsible .nav-toggle { display: flex; }
  .sidebar.is-collapsible.is-collapsed > ol,
  .sidebar.is-collapsible.is-collapsed > .toc-in-chapter { display: none; }
  .sidebar.is-collapsible > h2 { display: none; }
  .sidebar { padding-bottom: 16px; }
}

/* 補齊既有章節用到但先前沒有對應字符的 data-icon，以及新章節使用的圖示 */
section h2[data-icon="troubleshoot"]::before    { content: "\F0BE0"; }  /* wrench-outline */
section h2[data-icon="what"]::before            { content: "\F09EE"; }  /* file-document-outline */
section h2[data-icon="auto"]::before            { content: "\F04E6"; }  /* sync */
section h2[data-icon="restore"]::before         { content: "\F006F"; }  /* backup-restore */
section h2[data-icon="location"]::before        { content: "\F0352"; }  /* map-marker-radius */
section h2[data-icon="modes"]::before           { content: "\F04E1"; }  /* swap-horizontal */
section h2[data-icon="blueprints"]::before      { content: "\F0A66"; }  /* puzzle-outline */
section h2[data-icon="entity_id_trap"]::before  { content: "\F0ECD"; }  /* shield-alert-outline */
section h2[data-icon="hacs"]::before            { content: "\F04DC"; }  /* store */
section h2[data-icon="addons"]::before          { content: "\F0431"; }  /* puzzle */
section h2[data-icon="remote"]::before          { content: "\F0D3D"; }  /* transit-connection-variant */
section h2[data-icon="warning"]::before         { content: "\F0029"; }  /* alert-octagon */

section h2[data-icon="theme"]::before           { content: "\F03D8"; }  /* palette */
section h2[data-icon="integration"]::before     { content: "\F0339"; }  /* link-variant */
section h2[data-icon="protocol"]::before        { content: "\F0FD8"; }  /* protocol */
section h2[data-icon="todo"]::before            { content: "\F08A8"; }  /* clipboard-check-outline */
section h2[data-icon="calendar"]::before        { content: "\F0E18"; }  /* calendar-month-outline */
section h2[data-icon="energy"]::before          { content: "\F140B"; }  /* lightning-bolt */
section h2[data-icon="history"]::before         { content: "\F012A"; }  /* chart-line */
section h2[data-icon="export"]::before          { content: "\F095E"; }  /* database-export */
section h2[data-icon="ai"]::before              { content: "\F167A"; }  /* robot-outline */
section h2[data-icon="voice"]::before           { content: "\F05CB"; }  /* account-voice */
section h2[data-icon="docker"]::before          { content: "\F0868"; }  /* docker */
section h2[data-icon="network"]::before         { content: "\F1087"; }  /* router-network */
section h2[data-icon="records"]::before         { content: "\F0EBF"; }  /* notebook-outline */
section h2[data-icon="hardware"]::before        { content: "\F061A"; }  /* chip */
section h2[data-icon="security"]::before        { content: "\F0CCC"; }  /* shield-lock-outline */
section h2[data-icon="compare"]::before         { content: "\F05D1"; }  /* scale-balance */
section h2[data-icon="cost"]::before            { content: "\F0116"; }  /* cash-multiple */
section h2[data-icon="disk"]::before            { content: "\F02CA"; }  /* harddisk */
section h2[data-icon="book"]::before            { content: "\F14F7"; }  /* book-open-variant */
section h2[data-icon="eco"]::before             { content: "\F032A"; }  /* leaf */
section h2[data-icon="wifi"]::before            { content: "\F05A9"; }  /* wifi */
section h2[data-icon="zigbee"]::before          { content: "\F0D41"; }  /* zigbee */

/* 資料表格 —— 取代先前各章各自寫 inline style 的做法 */
.data-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 20px 0;
  font-size: 14px;
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.data-table thead th {
  text-align: left;
  padding: 12px 14px;
  background: var(--surface-alt);
  color: var(--ink-900);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 13px;
  border-bottom: 1px solid var(--hairline);
  white-space: nowrap;
}
.data-table tbody td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--hairline);
  color: var(--ink-700);
  vertical-align: top;
}
.data-table tbody tr:last-child td { border-bottom: 0; }
.data-table tbody tr:hover td { background: var(--ww-blue-050); }
.data-table td code, .data-table th code { white-space: nowrap; }

@media (max-width: 960px) {
  .data-table { display: block; overflow-x: auto; white-space: nowrap; }
  .data-table tbody td, .data-table thead th { white-space: normal; min-width: 120px; }
}

/* 側欄的篇章分隔標籤（22 章之後需要分組） */
.sidebar ol li.part-label {
  counter-increment: none;
  list-style: none;
  margin: 18px 0 6px;
  padding: 0 12px;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-300);
}
.sidebar ol li.part-label:first-child { margin-top: 0; }

/* Grid 子項目預設 min-width:auto，會被「最寬的那個子元素」撐開，
   導致寬表格／長程式碼區塊把整頁推出視窗外（手機上尤其明顯）。
   min-width:0 讓欄位可以縮，寬內容才會改由自己的 overflow-x 處理。 */
.layout > * { min-width: 0; }
.content pre, .content .data-table { max-width: 100%; }

/* hub 模式：側欄回資源總覽的連結（build_nav.js 產生） */
.sidebar .hub-link {
  display: inline-block;
  font-size: 12.5px;
  color: var(--ink-500);
  margin: -20px 0 24px;
}
.sidebar .hub-link:hover { color: var(--ww-blue-700); text-decoration: none; }