/* layout: topnav (top navigation) */
*, *::before, *::after { box-sizing: border-box; }
img { max-width: 100%; display: block; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.mq-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1rem;
  padding: 0 var(--mq-page-gutter, 1.6rem);
  height: 58px;
}

.mq-nav-brand {
  flex: 0 1 auto;
  min-width: 0;
}

.mq-nav-toggle {
  display: none;
  border: 1px solid transparent;
  background: transparent;
  border-radius: 8px;
  padding: 0.2rem 0.5rem;
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
}

.mq-nav-links {
  display: flex;
  flex: 1 1 auto;
  justify-content: flex-end;
  gap: 0.35rem;
  align-items: center;
  min-width: 0;
  overflow: visible;
}

.mq-nav-links > a,
.mq-nav-links > .mq-nav-link,
.mq-nav-links > .mq-nav-group > .mq-nav-group-trigger {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 34px;
  padding: 0 0.78rem;
  line-height: 1;
  border-radius: 8px;
}

.mq-nav-group {
  position: relative;
}

.mq-nav-group > .mq-nav-group-trigger {
  cursor: pointer;
}

.mq-nav-group > .mq-nav-group-trigger-link {
  cursor: pointer;
}

.mq-nav-group > .mq-nav-group-trigger-label {
  cursor: default;
}

.mq-nav-group > .mq-nav-group-trigger-label:hover {
  background: transparent !important;
  border-color: transparent !important;
  color: inherit !important;
}

.mq-nav-group > .mq-nav-group-trigger-label.active {
  background: transparent !important;
  border-color: transparent !important;
  color: inherit !important;
}

.mq-nav-summary-group > .mq-nav-group-trigger {
  user-select: none;
}

.mq-nav-submenu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  max-width: min(92vw, 360px);
  display: flex;
  opacity: 0;
  transform: translateY(-4px);
  pointer-events: none;
  flex-direction: column;
  gap: 0.1rem;
  padding: 0.4rem;
  border-radius: 10px;
  z-index: 120;
  transition: opacity 0.14s ease, transform 0.14s ease;
}

.mq-nav-group.mq-nav-group-open-left > .mq-nav-submenu {
  left: auto;
  right: 0;
}

.mq-nav-group:hover > .mq-nav-submenu,
.mq-nav-group:focus-within > .mq-nav-submenu {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.mq-nav-submenu a {
  display: block;
  padding: 0.45rem 0.65rem;
  border-radius: 7px;
  height: auto;
  white-space: normal;
  overflow-wrap: anywhere;
}

.mq-nav-submenu .mq-nav-link {
  padding-left: calc(0.65rem + (var(--mq-nav-level, 0) * 0.75rem));
}

.mq-nav-submenu .mq-nav-numbered-link .mq-nav-num {
  display: inline-block;
  min-width: 2.1rem;
  margin-right: 0.32rem;
  opacity: 0.82;
  font-variant-numeric: tabular-nums;
}

.mq-main {
  flex: 1;
  width: min(var(--page-width, 100%), 100%);
  max-width: var(--page-max-w, var(--max-w, 1000px));
  margin-top: 0;
  margin-bottom: 0;
  margin-left: var(--page-margin-left, auto);
  margin-right: var(--page-margin-right, auto);
  padding: clamp(2rem, 5vw, 3rem) var(--mq-page-gutter, 1rem);
  container-type: inline-size;
  container-name: mq-main;
}

.mq-column {
  display: grid;
  gap: 1.25rem;
  align-content: start;
}

.mq-code-block {
  margin: 1rem 0;
  border-radius: 8px;
  overflow: hidden;
}

.mq-code-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.45rem 0.7rem;
  border: 1px solid var(--mq-code-copy-border, rgba(255, 255, 255, 0.25));
  border-bottom: 1px solid var(--mq-code-copy-bg, rgba(255, 255, 255, 0.1));
  border-radius: 8px 8px 0 0;
  background: var(--mq-code-head-bg, var(--mq-code-bg, #1e1c18));
  color: var(--mq-code-head-text, var(--mq-code-text, #e8e4dc));
}

.mq-code-lang {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  opacity: 0.88;
}

.mq-code-copy {
  font: inherit;
  font-size: 0.74rem;
  padding: 0.2rem 0.55rem;
  border: 1px solid var(--mq-code-copy-border, rgba(255, 255, 255, 0.25));
  border-radius: 6px;
  background: var(--mq-code-copy-bg, rgba(255, 255, 255, 0.07));
  color: var(--mq-code-head-text, var(--mq-code-text, #e8e4dc));
  cursor: pointer;
}

.mq-code-copy:hover {
  background: var(--mq-code-copy-bg-hover, rgba(255, 255, 255, 0.16));
}

.mq-code-block pre {
  margin: 0;
  border-top-left-radius: 0 !important;
  border-top-right-radius: 0 !important;
  border-top-left-radius: 0;
  border-top-right-radius: 0;
}

.hljs {
  color: #e8e4dc;
}

.hljs-comment,
.hljs-quote {
  color: #8f8a80;
}

.hljs-keyword,
.hljs-selector-tag,
.hljs-section,
.hljs-name,
.hljs-built_in {
  color: #f29f67;
}

.hljs-string,
.hljs-title,
.hljs-symbol,
.hljs-bullet,
.hljs-addition {
  color: #98c379;
}

.hljs-number,
.hljs-literal,
.hljs-variable,
.hljs-template-variable,
.hljs-tag .hljs-attr,
.hljs-attribute {
  color: #d19a66;
}

.hljs-meta,
.hljs-doctag,
.hljs-type {
  color: #61afef;
}

.hljs-emphasis {
  font-style: italic;
}

.hljs-strong {
  font-weight: 700;
}

.mq-footer {
  text-align: center;
  padding: 2rem;
}

.mq-page-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 2.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border, rgba(0, 0, 0, 0.14));
}

.mq-page-nav-spacer {
  display: block;
}

.mq-page-nav-link {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.12rem;
  min-height: 62px;
  padding: 0.62rem 0.82rem;
  border: 1px solid var(--border, rgba(0, 0, 0, 0.14));
  border-radius: 10px;
  text-decoration: none;
  color: inherit;
  transition: background 0.14s ease, border-color 0.14s ease;
}

.mq-page-nav-link:hover {
  background: var(--surface2, rgba(0, 0, 0, 0.04));
}

.mq-page-nav-kicker {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  opacity: 0.72;
}

.mq-page-nav-title {
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.3;
}

.mq-page-nav-prev {
  align-items: flex-start;
  text-align: left;
}

.mq-page-nav-next {
  align-items: flex-end;
  text-align: right;
}

.mq-step-num {
  counter-increment: none !important;
}

.mq-step-num::before {
  content: attr(data-step) !important;
}

@media (max-width: 900px) {
  .mq-nav {
    padding: 0.75rem var(--mq-page-gutter, 1rem);
    height: 56px;
  }
  .mq-nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  .mq-nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0.15rem;
    overflow-y: auto;
    white-space: normal;
    z-index: 120;
    max-height: calc(100vh - 56px);
    padding: 0.55rem var(--mq-page-gutter, 1rem) 0.85rem;
    background: var(--mq-nav-bg);
    border-top: 1px solid var(--mq-nav-border);
    box-shadow: 0 18px 40px rgba(26, 25, 22, 0.08);
  }
  .mq-nav.mq-nav-open .mq-nav-links { display: flex; }
  .mq-nav-links > a,
  .mq-nav-links > .mq-nav-link,
  .mq-nav-links > .mq-nav-group > .mq-nav-group-trigger {
    width: 100%;
    height: auto;
    min-height: 40px;
    border-radius: 8px;
    justify-content: flex-start;
    padding: 0.55rem 0.78rem;
  }
  .mq-nav-group { width: 100%; }
  .mq-nav .mq-nav-submenu {
    position: static;
    min-width: 0;
    max-width: none;
    display: flex;
    opacity: 1;
    transform: none;
    pointer-events: auto;
    gap: 0.15rem;
    margin: 0.15rem 0 0.25rem 0.35rem;
    padding: 0.2rem 0 0.25rem 0.75rem;
    border-top: none;
    border-right: none;
    border-bottom: none;
    border-left: 1px solid var(--mq-nav-border);
    border-radius: 0;
    background: transparent;
    transition: none;
  }
  .mq-nav .mq-nav-submenu a {
    padding: 0.45rem 0.65rem;
  }
  .mq-main {
    width: 100% !important;
    padding: 2rem var(--mq-page-gutter, 1rem);
  }
}

@container mq-main (max-width: 720px) {
  .mq-page-nav {
    grid-template-columns: 1fr;
  }

  .mq-page-nav-next,
  .mq-page-nav-prev {
    align-items: flex-start;
    text-align: left;
  }
}