/* Public documentation guide (dogego.org/guide/) */

.guide-layout {
  --guide-rail-w: minmax(240px, 300px);
  position: relative;
  display: grid;
  grid-template-columns: var(--guide-rail-w) minmax(0, 1fr);
  gap: 0;
  min-height: calc(100dvh - var(--topbar-h));
  max-width: 100%;
  overflow-x: clip;
  background:
    radial-gradient(ellipse 80% 50% at 10% 0%, rgba(194, 166, 51, 0.12), transparent 55%),
    radial-gradient(ellipse 60% 40% at 100% 20%, rgba(27, 31, 36, 0.06), transparent 50%),
    var(--bg);
}

.guide-toc-fab,
.guide-toc-backdrop {
  display: none;
}

.guide-rail {
  position: sticky;
  top: var(--topbar-h);
  align-self: start;
  max-height: calc(100dvh - var(--topbar-h));
  overflow: auto;
  padding: 18px 14px 32px;
  border-right: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(12px);
  -webkit-overflow-scrolling: touch;
}

.guide-rail-head {
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 0 0 14px;
  padding: 0 2px 12px;
  border-bottom: 1px solid var(--border);
}

.guide-rail-head-title {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-size: 0.95rem;
  font-weight: 650;
  letter-spacing: -0.01em;
  color: var(--text);
}

.guide-rail-head-title .material-icons-round {
  font-size: 20px;
  color: var(--accent-dim);
}

.guide-rail-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
}

.guide-rail-close:hover {
  border-color: var(--accent);
  color: var(--accent-dim);
}

.guide-rail-search {
  width: 100%;
  margin: 0 0 14px;
  padding: 10px 12px 10px 38px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background:
    var(--surface)
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none'%3E%3Cpath d='M15.5 14h-.79l-.28-.27A6.47 6.47 0 0 0 16 9.5 6.5 6.5 0 1 0 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z' fill='%238a9199'/%3E%3C/svg%3E")
    12px 50% / 18px no-repeat;
  color: var(--text);
  font: inherit;
}

.guide-rail-search:focus {
  outline: 2px solid rgba(194, 166, 51, 0.45);
  outline-offset: 1px;
  border-color: var(--accent);
}

.guide-rail-section {
  margin: 0 0 12px;
  border: 1px solid rgba(27, 31, 36, 0.08);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(248, 249, 250, 0.88));
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.8) inset;
  overflow: hidden;
}

.guide-rail-section-head {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 10px;
  align-items: start;
  padding: 12px 12px 10px;
  background:
    linear-gradient(135deg, rgba(194, 166, 51, 0.1), transparent 55%),
    rgba(255, 255, 255, 0.35);
  border-bottom: 1px solid rgba(27, 31, 36, 0.06);
}

.guide-rail-section-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 11px;
  background: rgba(194, 166, 51, 0.16);
  color: var(--accent-dim);
}

.guide-rail-section-icon .material-icons-round {
  font-size: 20px;
}

.guide-rail-section-copy h2 {
  margin: 0 0 4px;
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text);
  line-height: 1.25;
}

.guide-rail-section-copy p {
  margin: 0;
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.guide-rail-links {
  list-style: none;
  margin: 0;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.guide-rail-links a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 10px;
  border-radius: 10px;
  color: var(--text);
  text-decoration: none;
  font-size: 0.88rem;
  line-height: 1.35;
  transition: background 0.15s ease, color 0.15s ease, transform 0.15s ease;
}

.guide-rail-links a .guide-link-icon {
  flex: 0 0 auto;
  font-size: 17px;
  color: var(--text-muted);
}

.guide-rail-links a .guide-link-label {
  flex: 1 1 auto;
  min-width: 0;
}

.guide-rail-links a .guide-link-chevron {
  flex: 0 0 auto;
  font-size: 16px;
  opacity: 0;
  transform: translateX(-2px);
  color: var(--accent-dim);
  transition: opacity 0.15s ease, transform 0.15s ease;
}

.guide-rail-links a:hover {
  background: var(--surface-2);
  color: var(--accent-dim);
}

.guide-rail-links a:hover .guide-link-icon,
.guide-rail-links a:hover .guide-link-chevron {
  color: var(--accent-dim);
  opacity: 1;
  transform: translateX(0);
}

.guide-rail-links a.is-active {
  background: rgba(194, 166, 51, 0.18);
  color: var(--accent-dim);
  font-weight: 650;
}

.guide-rail-links a.is-active .guide-link-icon,
.guide-rail-links a.is-active .guide-link-chevron {
  color: var(--accent-dim);
  opacity: 1;
  transform: translateX(0);
}

.guide-stage {
  min-width: 0;
  max-width: 100%;
  padding: 28px 28px 64px;
  overflow-x: clip;
}

.guide-hero {
  margin: 0 0 24px;
  max-width: 52rem;
}

.guide-hero h1 {
  margin: 0 0 8px;
  font-size: clamp(1.6rem, 2.4vw, 2.1rem);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.guide-hero p {
  margin: 0;
  color: var(--text-muted);
  font-size: 1.02rem;
  max-width: 42rem;
}

.guide-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin: 0 0 18px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.guide-crumb {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  word-break: break-all;
}

.guide-toolbar-actions {
  margin-left: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.guide-doc {
  padding: 28px 32px;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 2px);
  background: var(--surface);
  box-shadow: var(--shadow);
  max-width: 100%;
  overflow-x: hidden;
}

.guide-doc.markdown-body > :first-child {
  margin-top: 0;
}

.guide-doc.markdown-body h1,
.guide-doc.markdown-body h2,
.guide-doc.markdown-body h3 {
  scroll-margin-top: calc(var(--topbar-h) + 16px);
  line-height: 1.25;
}

.guide-doc.markdown-body h1 {
  font-size: 1.75rem;
  margin: 0 0 0.75rem;
}

.guide-doc.markdown-body h2 {
  font-size: 1.28rem;
  margin: 1.6rem 0 0.65rem;
  padding-top: 0.35rem;
  border-top: 1px solid var(--border);
}

.guide-doc.markdown-body h3 {
  font-size: 1.05rem;
  margin: 1.25rem 0 0.45rem;
}

.guide-doc.markdown-body p,
.guide-doc.markdown-body li {
  color: var(--text);
}

.guide-doc.markdown-body a {
  color: var(--accent-dim);
}

.guide-doc.markdown-body pre {
  overflow: auto;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: #1b1f24;
  color: #e8eaed;
  font-size: 0.85rem;
}

.guide-doc.markdown-body pre code {
  background: transparent;
  color: inherit;
  padding: 0;
}

.guide-doc.markdown-body table {
  width: max-content;
  min-width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin: 0;
}

.guide-table-scroll {
  display: block;
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 1rem 0;
  border-radius: var(--radius-sm);
}

.guide-doc.markdown-body img {
  max-width: 100%;
  height: auto;
}

.guide-doc.markdown-body pre {
  max-width: 100%;
}

.guide-doc.markdown-body th,
.guide-doc.markdown-body td {
  border: 1px solid var(--border);
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
}

.guide-doc.markdown-body th {
  background: var(--surface-2);
}

.guide-doc.markdown-body .katex-display {
  margin: 1.1rem 0;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 0.35rem 0;
}

.guide-doc.markdown-body .katex {
  font-size: 1.05em;
}


.guide-empty,
.guide-error {
  padding: 24px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
}

.guide-error {
  border-color: #f1c0c0;
  color: var(--danger);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 960px) {
  .guide-layout {
    grid-template-columns: 1fr;
  }

  .guide-toc-fab {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    position: fixed;
    right: max(16px, env(safe-area-inset-right));
    bottom: max(18px, env(safe-area-inset-bottom));
    z-index: 85;
    min-height: 48px;
    padding: 0 16px 0 14px;
    border: 1px solid rgba(27, 31, 36, 0.12);
    border-radius: 999px;
    background: #1b1f24;
    color: #fff;
    box-shadow: 0 10px 28px rgba(27, 31, 36, 0.28);
    cursor: pointer;
    font: inherit;
    font-size: 0.9rem;
    font-weight: 600;
  }

  .guide-toc-fab .material-icons-round {
    font-size: 20px;
    color: var(--accent);
  }

  .guide-toc-fab:hover {
    transform: translateY(-1px);
  }

  .guide-toc-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 86;
    border: 0;
    margin: 0;
    padding: 0;
    background: rgba(15, 18, 22, 0.48);
    backdrop-filter: blur(2px);
    cursor: pointer;
  }

  .guide-layout.guide-toc-open .guide-toc-backdrop {
    display: block;
  }

  .guide-rail {
    position: fixed;
    top: var(--topbar-h);
    right: 0;
    left: auto;
    width: min(86vw, 340px);
    height: calc(100dvh - var(--topbar-h));
    max-height: none;
    z-index: 87;
    border-right: 0;
    border-left: 1px solid var(--border);
    box-shadow: -16px 0 40px rgba(15, 18, 22, 0.18);
    transform: translateX(104%);
    transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1);
    background: rgba(255, 255, 255, 0.96);
  }

  .guide-layout.guide-toc-open .guide-rail {
    transform: translateX(0);
  }

  .guide-rail-head {
    display: flex;
  }

  .guide-stage {
    padding: 20px 16px 88px;
  }

  .guide-doc {
    padding: 20px 16px;
  }

  .guide-doc.markdown-body table {
    font-size: 0.82rem;
  }

  .guide-doc.markdown-body th,
  .guide-doc.markdown-body td {
    padding: 6px 8px;
  }

  .guide-toolbar-actions {
    margin-left: 0;
  }

  body.guide-toc-lock {
    overflow: hidden;
  }
}

@media (prefers-reduced-motion: reduce) {
  .guide-rail,
  .guide-rail-links a,
  .guide-toc-fab {
    transition: none;
  }
}