/* ==========================================================================
   DOCUMENTATION 2-COLUMN LAYOUT
   ========================================================================== */
.docs-layout-wrapper {
  flex: 1;
  display: flex;
  justify-content: center;
  width: 100%;
}

.docs-layout {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr) 220px;
  gap: var(--spacing-xl);
  width: 100%;
  max-width: 1400px;
  padding: var(--spacing-lg) var(--spacing-lg) 20px;
  min-height: auto;
}

/* --- Right Bar: ON THIS PAGE (Matching PeakBot Wiki) --- */
.docs-toc {
  position: relative;
  width: 220px;
  flex-shrink: 0;
}

.toc-sticky-container {
  position: sticky;
  top: 88px;
  max-height: calc(100vh - 110px);
  overflow-y: auto;
  scrollbar-width: thin;
  padding-bottom: var(--spacing-xl);
}

.toc-sticky-container::-webkit-scrollbar {
  width: 3px;
}

.toc-sticky-container::-webkit-scrollbar-thumb {
  background: var(--hairline);
  border-radius: 3px;
}

.toc-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--mute);
  margin-bottom: 12px;
  padding-left: 12px;
  font-family: var(--font-sans);
}

.toc-nav {
  display: flex;
  flex-direction: column;
  position: relative;
  border-left: 1px solid var(--hairline);
}

.toc-link {
  display: block;
  font-size: 13px;
  line-height: 1.4;
  padding: 6px 0 6px 12px;
  margin-left: -1px;
  color: var(--mute);
  border-left: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
  font-family: var(--font-sans);
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
  text-decoration: none;
  cursor: pointer;
}

.toc-link:hover {
  color: var(--ink);
}

.toc-link.active {
  color: var(--ink);
  font-weight: 500;
  border-left-color: var(--ink);
}

/* --- Left Sidebar Navigation --- */
.docs-sidebar {
  position: sticky;
  top: 72px;
  height: calc(100vh - 90px);
  overflow-y: auto;
  padding-right: var(--spacing-md);
  scrollbar-width: thin;
}

.docs-sidebar::-webkit-scrollbar {
  width: 4px;
}
.docs-sidebar::-webkit-scrollbar-thumb {
  background: var(--hairline);
  border-radius: 4px;
}

.sidebar-main-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  padding: 0 var(--spacing-xs) var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--hairline);
  letter-spacing: -0.3px;
}

.tree-icon {
  width: 13px;
  height: 13px;
  object-fit: contain;
  vertical-align: middle;
  margin-right: 6px;
  display: inline-block;
  opacity: 0.85;
}

[data-theme="dark"] .tree-icon {
  filter: brightness(0) invert(1);
}

[data-theme="light"] .tree-icon {
  filter: brightness(0);
}

.sidebar-icon {
  width: 15px;
  height: 15px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  margin-right: 8px;
  flex-shrink: 0;
  opacity: 0.7;
  display: inline-block;
  vertical-align: middle;
  transition: opacity var(--transition), color var(--transition);
}

.sidebar-item:hover .sidebar-icon,
.sidebar-item.active .sidebar-icon {
  opacity: 1;
}

/* Collapsible Accordion Groups in Left Sidebar */
.sidebar-group {
  margin-bottom: var(--spacing-sm);
}

.sidebar-group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 8px;
  cursor: pointer;
  user-select: none;
  border-radius: var(--radius-sm);
  transition: background-color 0.15s ease;
}

.sidebar-group-header:hover {
  background-color: var(--hairline-soft);
}

.sidebar-group-title {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink);
  margin: 0;
}

.sidebar-group-toggle {
  display: flex;
  align-items: center;
  color: var(--mute);
  transition: transform 0.2s ease;
}

.sidebar-group.collapsed .sidebar-group-toggle {
  transform: rotate(-90deg);
}

.sidebar-group.collapsed .sidebar-menu {
  display: none;
}

.sidebar-menu {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-top: 2px;
}

.sidebar-item a {
  display: flex;
  align-items: center;
  font-size: 13px;
  font-weight: 400;
  color: var(--body);
  padding: 5px 8px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  text-decoration: none;
  cursor: pointer;
}

.sidebar-item a:hover {
  color: var(--ink);
  background-color: var(--hairline-soft);
}

.sidebar-item.active a {
  color: var(--ink);
  font-weight: 600;
  background-color: var(--hairline-soft);
  border-left: 2px solid var(--ink);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.sidebar-item .tag-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 1px 5px;
  border-radius: 4px;
  background-color: var(--hairline);
  color: var(--body);
}

/* --- Center Main Content Area --- */
.docs-main {
  max-width: 980px;
  width: 100%;
  padding-bottom: var(--spacing-4xl);
}

/* ==========================================================================
   MULTI-PAGE CONTENT VIEW SWITCHER (.doc-page)
   ========================================================================== */
.doc-page {
  display: none;
}

.doc-page.active {
  display: block;
  animation: docPageFadeIn 0.18s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes docPageFadeIn {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================================================
   OVERVIEW 2X2 NAVIGATION GRID (4 Medium Sized Buttons, 2 rows, 2 columns)
   ========================================================================== */
.overview-nav-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0 var(--spacing-xl);
}

@media (max-width: 640px) {
  .overview-nav-grid {
    grid-template-columns: 1fr;
  }
}

.overview-nav-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background-color: var(--canvas-elevated);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  padding: var(--spacing-md) var(--spacing-lg);
  text-decoration: none;
  transition: border-color 0.2s ease, background-color 0.2s ease, transform 0.15s ease;
  cursor: pointer;
  min-height: 84px;
}

.overview-nav-card:hover {
  border-color: var(--ink);
  background-color: var(--hairline-soft);
  transform: translateY(-1px);
}

.overview-nav-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}

.overview-nav-card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.overview-nav-card-icon {
  color: var(--mute);
  transition: transform 0.15s ease;
}

.overview-nav-card:hover .overview-nav-card-icon {
  color: var(--ink);
  transform: translateX(3px);
}

.overview-nav-card-desc {
  font-size: 12px;
  color: var(--body);
  line-height: 18px;
  margin: 0;
}

/* ==========================================================================
   DOCUMENTATION PREVIOUS / NEXT PAGINATION
   ========================================================================== */
.docs-pagination {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  margin-top: var(--spacing-3xl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--hairline);
}

@media (max-width: 640px) {
  .docs-pagination {
    grid-template-columns: 1fr;
  }
}

.page-nav-card {
  display: flex;
  flex-direction: column;
  background-color: var(--canvas-elevated);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  padding: var(--spacing-md) var(--spacing-lg);
  text-decoration: none;
  transition: var(--transition);
  min-height: 72px;
  justify-content: center;
  cursor: pointer;
}

.page-nav-card:hover {
  border-color: var(--ink);
  background-color: var(--hairline-soft);
}

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

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

.page-nav-card.disabled {
  opacity: 0.3;
  pointer-events: none;
  border-style: dashed;
}

.page-nav-sub {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--mute);
  margin-bottom: 2px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.page-nav-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}

/* ==========================================================================
   COLLAPSIBLE ACCORDION SECTIONS (A, B, C, D)
   ========================================================================== */
.accordion-section {
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  background-color: var(--canvas-elevated);
  margin-bottom: var(--spacing-xl);
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.accordion-section.is-open {
  border-color: var(--hairline);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
}

.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg) var(--spacing-xl);
  background-color: var(--canvas-elevated);
  cursor: pointer;
  user-select: none;
  transition: background-color 0.15s ease;
}

.accordion-header:hover {
  background-color: var(--hairline-soft);
}

.accordion-header-left {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.accordion-part-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--mute);
}

.accordion-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
}

.accordion-count-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 12px;
  background-color: var(--canvas);
  border: 1px solid var(--hairline);
  color: var(--body);
}

.accordion-header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.accordion-toggle-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--canvas);
  border: 1px solid var(--hairline);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink);
  transition: transform 0.25s ease, background-color 0.15s ease;
}

.accordion-section.is-open .accordion-toggle-btn {
  transform: rotate(180deg);
  background-color: var(--ink);
  color: var(--canvas);
}

.accordion-content {
  display: none;
  padding: var(--spacing-xl);
  border-top: 1px solid var(--hairline);
  background-color: var(--canvas);
}

.accordion-section.is-open .accordion-content {
  display: block;
}

/* ==========================================================================
   MODULES ACCORDION (EXCLUSIVE EXPANSION IN INDEX)
   ========================================================================== */
.module-accordion-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.module-accordion-item {
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  background-color: var(--canvas-elevated);
  transition: border-color 0.15s ease, background-color 0.15s ease;
  overflow: hidden;
}

.module-accordion-item:hover {
  border-color: var(--border-bright, var(--ink));
}

.module-accordion-item.is-open {
  border-color: var(--ink);
}

.module-accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  cursor: pointer;
  user-select: none;
  background-color: var(--canvas-elevated);
  transition: background-color 0.15s ease;
  gap: var(--spacing-md);
}

.module-accordion-header:hover {
  background-color: var(--hairline-soft);
}

.module-accordion-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
  min-width: 0;
}

.module-accordion-topline {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.module-accordion-title {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin: 0;
  letter-spacing: -0.3px;
}

.module-count-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  background-color: var(--canvas);
  border: 1px solid var(--hairline);
  color: var(--mute);
}

.module-accordion-desc {
  font-size: 13px;
  color: var(--body);
  line-height: 20px;
  margin: 0;
}

.module-accordion-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-shrink: 0;
}

.module-view-guide-btn {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mute);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--hairline);
  background-color: var(--canvas);
  transition: var(--transition);
}

.module-view-guide-btn:hover {
  color: var(--ink);
  border-color: var(--ink);
  background-color: var(--canvas-elevated);
}

.module-accordion-toggle {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--hairline);
  background-color: var(--canvas);
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.2s ease, background-color 0.15s ease;
  flex-shrink: 0;
}

.module-accordion-toggle svg {
  transition: transform 0.2s ease;
}

.module-accordion-item.is-open .module-accordion-toggle svg {
  transform: rotate(180deg);
}

.module-accordion-body {
  display: none;
  padding: var(--spacing-lg);
  background-color: var(--canvas);
  border-top: 1px solid var(--hairline);
}

.module-accordion-item.is-open .module-accordion-body {
  display: block;
}

@media (max-width: 640px) {
  .module-accordion-header {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--spacing-md);
  }
  .module-accordion-actions {
    width: 100%;
    justify-content: space-between;
    padding-top: var(--spacing-xs);
    border-top: 1px solid var(--hairline-soft);
  }
}



/* ==========================================================================
   CODE BLOCKS (Strict Monochrome)
   ========================================================================== */
.code-block {
  background-color: var(--canvas-elevated);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  margin: var(--spacing-md) 0 var(--spacing-lg);
  overflow: hidden;
  box-shadow: var(--shadow-whisper);
}

.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  background-color: var(--hairline-soft);
  border-bottom: 1px solid var(--hairline);
}

.code-tabs {
  display: flex;
  align-items: center;
  gap: 4px;
}

.code-tab {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--mute);
  background: transparent;
  border: none;
  padding: 4px 8px;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
}

.code-tab.active, .code-tab:hover {
  color: var(--ink);
  background-color: var(--canvas-elevated);
}

.code-filename {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mute);
}

.btn-copy {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--body);
  background-color: var(--canvas-elevated);
  border: 1px solid var(--hairline);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.btn-copy:hover {
  color: var(--ink);
  border-color: var(--ink);
}

.code-body {
  padding: 14px 16px;
  overflow-x: auto;
  background-color: var(--code-bg);
}

.code-body pre {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 20px;
  color: var(--ink);
}

.code-body code {
  font-family: inherit;
  white-space: pre;
}

/* Syntax Highlighting Monochrome Classes */
.token-kw { color: var(--ink); font-weight: 600; }
.token-fn { color: var(--ink); }
.token-str { color: var(--mute); }
.token-comment { color: var(--faint); font-style: italic; }
.token-var { color: var(--ink); }



/* ==========================================================================
   CALLOUTS / ALERTS (Strict Monochrome 1px Border)
   ========================================================================== */
.callout {
  background-color: var(--canvas-elevated);
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--ink);
  border-radius: var(--radius-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}

.callout-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 14px;
  color: var(--ink);
  margin-bottom: 4px;
}

.callout-body {
  font-size: 13px;
  color: var(--body);
  line-height: 22px;
}

/* Standout Typography & Monochrome Emphasizers */
.standout-text {
  color: var(--ink);
  font-weight: 600;
  letter-spacing: -0.01em;
}

.standout-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background-color: var(--ink);
  color: var(--canvas);
  padding: 1px 7px;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
}

.standout-box {
  background-color: var(--canvas-elevated);
  border: 1px solid var(--ink);
  border-radius: var(--radius-sm);
  padding: var(--spacing-md);
  margin: var(--spacing-md) 0;
}



/* ==========================================================================
   FEATURE CARDS GRID
   ========================================================================== */
.docs-cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.docs-card {
  background-color: var(--canvas-elevated);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  padding: var(--spacing-lg);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  text-decoration: none;
}

.docs-card:hover {
  border-color: var(--ink);
}

.docs-card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.docs-card-desc {
  font-size: 13px;
  color: var(--mute);
  line-height: 20px;
}

/* ==========================================================================
   PAGINATION
   ========================================================================== */
.docs-pagination {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  margin-top: var(--spacing-3xl);
  padding-top: var(--spacing-2xl);
  border-top: 1px solid var(--hairline);
}

.page-nav-card {
  background-color: var(--canvas-elevated);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  transition: var(--transition);
  text-decoration: none;
  display: flex;
  flex-direction: column;
}

.page-nav-card.prev {
  align-items: flex-start;
}

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

.page-nav-card:hover {
  border-color: var(--ink);
  background-color: var(--hairline-soft);
}

.page-nav-sub {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--mute);
  text-transform: uppercase;
  margin-bottom: 2px;
}

.page-nav-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}

/* ==========================================================================
   FEEDBACK SECTION
   ========================================================================== */
.docs-feedback-card {
  margin-top: var(--spacing-2xl);
  padding: var(--spacing-lg);
  background-color: var(--canvas-elevated);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.docs-feedback-text {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
}

.docs-feedback-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.btn-feedback {
  background-color: var(--hairline-soft);
  border: 1px solid var(--hairline);
  color: var(--body);
  font-size: 12px;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.btn-feedback:hover {
  color: var(--ink);
  border-color: var(--ink);
}

/* --- Right Sidebar (TOC) --- */
.docs-toc {
  position: sticky;
  top: 72px;
  height: calc(100vh - 90px);
  overflow-y: auto;
  padding-left: var(--spacing-xs);
}

.toc-title {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink);
  margin-bottom: var(--spacing-sm);
}

.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: var(--spacing-2xl);
}

.toc-item a {
  font-size: 13px;
  color: var(--mute);
  transition: var(--transition);
  display: block;
  padding: 2px 0;
  line-height: 18px;
}

.toc-item a:hover {
  color: var(--ink);
}

.toc-item.active a {
  color: var(--ink);
  font-weight: 500;
}

.toc-cta-box {
  background-color: var(--canvas-elevated);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  padding: var(--spacing-md);
}

.toc-cta-box h5 {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 4px;
}

.toc-cta-box p {
  font-size: 12px;
  color: var(--mute);
  margin-bottom: var(--spacing-sm);
  line-height: 16px;
}