/* ja4proxy Modern Developer Documentation System
   Standard: Mintlify / Stripe / Nextra 3-Column Architecture
   Colorway: Deep Obsidian / Zinc Dark (#090a0f, #0d1117, #161b22, #10b981, #38bdf8)
   Zero external build tools. Pure vanilla web stack.
*/

:root {
  --bg-page: #090a0f;
  --bg-sidebar: #06070a;
  --bg-surface: #0f131a;
  --bg-surface-elevated: #161b24;
  --bg-code: #0b0e14;
  --bg-input: #080a0f;
  
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.12);
  --border-active: #10b981;
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --accent-emerald: #10b981;
  --accent-emerald-glow: rgba(16, 185, 129, 0.12);
  --accent-cyan: #38bdf8;
  --accent-purple: #a855f7;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", Consolas, "Courier New", monospace;
  
  --sidebar-width: 270px;
  --toc-width: 240px;
  --header-height: 58px;
  
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  background-color: var(--bg-page);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.6;
}

body {
  background-color: var(--bg-page);
  color: var(--text-main);
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-height);
  background: rgba(6, 7, 10, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.brand-anchor {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--text-main);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.05rem;
}

.brand-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
}

.brand-version {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.header-search {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-md);
  font-size: 0.8rem;
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.15s ease;
  min-width: 220px;
}

.header-search:hover {
  border-color: var(--border-hover);
  color: var(--text-muted);
}

.header-search kbd {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  background: var(--bg-page);
  border: 1px solid var(--border-subtle);
  padding: 1px 5px;
  border-radius: 3px;
  color: var(--text-dim);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.github-link {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  text-decoration: none;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: color 0.15s ease;
}

.github-link:hover {
  color: var(--text-main);
}

/* 3-Column Layout Shell */
.docs-shell {
  display: flex;
  flex: 1;
  max-width: 1440px;
  margin: 0 auto;
  width: 100%;
}

/* 1. Left Sidebar Navigation Tree */
.docs-sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  border-right: 1px solid var(--border-subtle);
  background: var(--bg-sidebar);
  height: calc(100vh - var(--header-height));
  position: sticky;
  top: var(--header-height);
  overflow-y: auto;
  padding: 1.5rem 1rem 3rem 1.25rem;
}

.nav-group {
  margin-bottom: 1.6rem;
}

.nav-group-title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin-bottom: 0.4rem;
  padding-left: 0.6rem;
}

.nav-item-list {
  list-style: none;
}

.nav-item-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.45rem 0.6rem;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  transition: all 0.15s ease;
  cursor: pointer;
  border-left: 2px solid transparent;
}

.nav-item-link:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.03);
}

.nav-item-link.active {
  color: var(--accent-emerald);
  background: var(--accent-emerald-glow);
  font-weight: 600;
  border-left-color: var(--accent-emerald);
}

.badge-sidebar {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 1px 5px;
  border-radius: 3px;
  background: rgba(56, 189, 248, 0.1);
  color: var(--accent-cyan);
}

/* 2. Center Content Canvas */
.docs-main-canvas {
  flex: 1;
  min-width: 0;
  padding: 2.5rem 3rem 5rem 3rem;
  max-width: 820px;
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-bottom: 1rem;
}

.breadcrumb-sep {
  color: rgba(255, 255, 255, 0.2);
}

.breadcrumb-active {
  color: var(--accent-emerald);
}

.content-page-header {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.page-title {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

.page-description {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Markdown-style Typography */
.markdown-body h2 {
  font-size: 1.45rem;
  font-weight: 700;
  margin-top: 2.5rem;
  margin-bottom: 0.85rem;
  color: var(--text-main);
  letter-spacing: -0.015em;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border-subtle);
}

.markdown-body h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-top: 1.75rem;
  margin-bottom: 0.6rem;
  color: var(--text-main);
}

.markdown-body p {
  margin-bottom: 1.1rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.markdown-body ul, .markdown-body ol {
  margin-bottom: 1.25rem;
  padding-left: 1.4rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.markdown-body li {
  margin-bottom: 0.35rem;
}

.markdown-body code:not(pre code) {
  font-family: var(--font-mono);
  font-size: 0.825rem;
  background: rgba(255, 255, 255, 0.06);
  padding: 2px 5px;
  border-radius: 3px;
  color: #e2e8f0;
}

/* Callout Admonition Boxes */
.callout {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  margin: 1.5rem 0;
  border-left: 3px solid;
  font-size: 0.9rem;
}

.callout-title {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.callout.tip {
  background: rgba(16, 185, 129, 0.08);
  border-color: var(--accent-emerald);
  color: #d1fae5;
}
.callout.tip .callout-title { color: var(--accent-emerald); }

.callout.note {
  background: rgba(56, 189, 248, 0.08);
  border-color: var(--accent-cyan);
  color: #e0f2fe;
}
.callout.note .callout-title { color: var(--accent-cyan); }

.callout.warning {
  background: rgba(245, 158, 11, 0.08);
  border-color: var(--accent-amber);
  color: #fef3c7;
}
.callout.warning .callout-title { color: var(--accent-amber); }

/* Code Blocks with Tabs & Header */
.code-block-wrapper {
  background: var(--bg-code);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin: 1.25rem 0 1.75rem 0;
  overflow: hidden;
}

.code-header {
  background: #07090e;
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.45rem 0.85rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.code-tabs {
  display: flex;
  gap: 0.25rem;
}

.code-tab-btn {
  background: transparent;
  border: none;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
}

.code-tab-btn:hover {
  color: var(--text-muted);
}

.code-tab-btn.active {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-main);
  font-weight: 600;
}

.copy-code-btn {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  padding: 2px 7px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
}

.copy-code-btn:hover {
  border-color: var(--border-hover);
  color: var(--text-main);
}

.copy-code-btn.copied {
  border-color: var(--accent-emerald);
  color: var(--accent-emerald);
}

.code-pre {
  padding: 1rem 1.15rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.825rem;
  line-height: 1.6;
  color: #e2e8f0;
}

/* Syntax Highlighting Colors */
.hl-kw { color: #f43f5e; font-weight: 600; }
.hl-str { color: #34d399; }
.hl-fn { color: #38bdf8; }
.hl-num { color: #fbbf24; }
.hl-cm { color: #64748b; font-style: italic; }

/* Parameter Tables */
.param-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.85rem;
}

.param-table th {
  background: #07090e;
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.65rem 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  text-transform: uppercase;
  text-align: left;
}

.param-table td {
  padding: 0.75rem 0.85rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-muted);
}

.param-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.param-name {
  font-family: var(--font-mono);
  color: var(--accent-emerald);
  font-weight: 600;
}

.param-type {
  font-family: var(--font-mono);
  color: var(--accent-cyan);
  font-size: 0.78rem;
}

/* Bottom Page Pagination */
.page-pagination {
  display: flex;
  justify-content: space-between;
  margin-top: 3.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
}

.pagination-card {
  display: flex;
  flex-direction: column;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  text-decoration: none;
  min-width: 180px;
  transition: all 0.15s ease;
}

.pagination-card:hover {
  border-color: var(--border-hover);
  background: rgba(255, 255, 255, 0.02);
}

.pagination-dir {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  text-transform: uppercase;
}

.pagination-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-emerald);
  margin-top: 0.2rem;
}

/* 3. Right Sidebar (On This Page TOC) */
.docs-toc {
  width: var(--toc-width);
  flex-shrink: 0;
  height: calc(100vh - var(--header-height));
  position: sticky;
  top: var(--header-height);
  overflow-y: auto;
  padding: 2.5rem 1.25rem 2rem 1rem;
  font-size: 0.825rem;
}

.toc-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  margin-bottom: 0.75rem;
}

.toc-list {
  list-style: none;
}

.toc-item {
  margin-bottom: 0.45rem;
}

.toc-link {
  color: var(--text-dim);
  text-decoration: none;
  display: block;
  transition: color 0.15s ease;
  padding: 2px 0;
}

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

.toc-link.active {
  color: var(--accent-emerald);
  font-weight: 600;
}

/* Global Spotlight Modal */
.spotlight-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(4, 5, 8, 0.75);
  backdrop-filter: blur(8px);
  z-index: 200;
  justify-content: center;
  align-items: flex-start;
  padding-top: 14vh;
}

.spotlight-modal.open {
  display: flex;
}

.spotlight-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-md);
  width: 100%;
  max-width: 580px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.7);
  overflow: hidden;
}

.spotlight-search-box {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.spotlight-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-main);
  font-size: 1rem;
}

.spotlight-results {
  max-height: 360px;
  overflow-y: auto;
  padding: 0.5rem;
}

.spotlight-item {
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: background 0.1s ease;
}

.spotlight-item:hover {
  background: rgba(255, 255, 255, 0.04);
}

.spotlight-item-title {
  font-size: 0.875rem;
  color: var(--text-main);
}

.spotlight-item-category {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--accent-emerald);
}

/* Responsive */
@media (max-width: 1100px) {
  .docs-toc {
    display: none;
  }
}

@media (max-width: 768px) {
  .docs-sidebar {
    display: none;
  }
  .docs-main-canvas {
    padding: 1.5rem 1rem 3rem 1rem;
  }
  .header-search {
    display: none;
  }
}