/* ==========================================================================
   FLESHNOTE IDE — DEVELOPER DOCUMENTATION STYLESHEET
   Clean, high-contrast, developer-friendly dark theme without distracting animations.
   ========================================================================== */

/* ── Base Docs Layout ─────────────────────────────────────────────────────── */
.docs-body {
  background-color: var(--bg-base);
  color: var(--text-primary);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.65;
  font-size: 15px;
  overflow-x: hidden;
}

.docs-site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 17, 22, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  height: 64px;
}

.docs-nav-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.docs-nav-left {
  display: flex;
  align-items: center;
  gap: 24px;
}

.docs-brand-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--accent-amber-dim);
  border: 1px solid var(--border-amber-dim);
  color: var(--accent-amber);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-left: 8px;
}

/* ── Top Navigation Search Trigger ───────────────────────────────────────── */
.docs-search-trigger {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: 6px;
  padding: 7px 14px;
  color: var(--text-secondary);
  font-size: 13px;
  cursor: pointer;
  min-width: 240px;
  transition: all 0.2s ease;
}

.docs-search-trigger:hover {
  border-color: var(--accent-amber);
  color: var(--text-primary);
  background: var(--bg-elevated);
}

.docs-search-trigger .search-kbd {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--bg-deep);
  border: 1px solid var(--border-subtle);
  color: var(--text-tertiary);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
}

/* ── 3-Column Docs Layout Container ──────────────────────────────────────── */
.docs-layout {
  max-width: 1440px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr) 240px;
  gap: 32px;
  padding: 0 24px 80px 24px;
  min-height: calc(100vh - 64px);
}

@media (max-width: 1200px) {
  .docs-layout {
    grid-template-columns: 260px minmax(0, 1fr);
  }
  .docs-toc-wrapper {
    display: none;
  }
}

@media (max-width: 860px) {
  .docs-layout {
    grid-template-columns: 1fr;
    padding: 0 16px 60px 16px;
  }
  .docs-sidebar {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    width: 300px;
    height: calc(100vh - 64px);
    background: var(--bg-surface);
    z-index: 90;
    box-shadow: 20px 0 50px rgba(0,0,0,0.6);
  }
  .docs-sidebar.mobile-open {
    display: block;
  }
}

/* ── Sidebar Navigation ─────────────────────────────────────────────────── */
.docs-sidebar {
  position: sticky;
  top: 64px;
  height: calc(100vh - 64px);
  overflow-y: auto;
  padding: 24px 0;
  scrollbar-width: thin;
  scrollbar-color: var(--border-default) transparent;
}

.docs-sidebar::-webkit-scrollbar {
  width: 5px;
}
.docs-sidebar::-webkit-scrollbar-thumb {
  background: var(--border-default);
  border-radius: 4px;
}

.sidebar-category {
  margin-bottom: 24px;
}

.sidebar-category-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  cursor: pointer;
  user-select: none;
  border-radius: 4px;
  transition: color 0.15s ease;
}

.sidebar-category-header:hover {
  color: var(--accent-amber);
}

.sidebar-category-header svg {
  transition: transform 0.2s ease;
}

.sidebar-category.collapsed .sidebar-category-header svg {
  transform: rotate(-90deg);
}

.sidebar-category.collapsed .sidebar-nav-list {
  display: none;
}

.sidebar-nav-list {
  list-style: none;
  padding: 0;
  margin: 4px 0 0 0;
}

.sidebar-nav-item {
  margin: 2px 0;
}

.sidebar-nav-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border-radius: 5px;
  color: var(--text-secondary);
  font-size: 13.5px;
  text-decoration: none;
  transition: all 0.15s ease;
  border-left: 2px solid transparent;
}

.sidebar-nav-link:hover {
  color: var(--text-primary);
  background: var(--bg-surface);
  border-left-color: var(--border-bright);
}

.sidebar-nav-link.active {
  color: var(--accent-amber);
  background: var(--accent-amber-dim);
  border-left-color: var(--accent-amber);
  font-weight: 600;
}

.sidebar-nav-link .nav-tag {
  margin-left: auto;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  padding: 1px 5px;
  border-radius: 3px;
  background: var(--bg-elevated);
  color: var(--text-tertiary);
}

.sidebar-nav-link.active .nav-tag {
  background: var(--accent-amber-glow);
  color: var(--accent-amber);
}

/* ── Center Article Content ──────────────────────────────────────────────── */
.docs-main {
  padding: 32px 0;
  max-width: 860px;
}

.docs-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  color: var(--text-tertiary);
  margin-bottom: 20px;
  font-family: 'JetBrains Mono', monospace;
}

.docs-breadcrumbs a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.15s;
}

.docs-breadcrumbs a:hover {
  color: var(--accent-amber);
}

.docs-header {
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 24px;
  margin-bottom: 32px;
}

.docs-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 12px;
}

.docs-title {
  font-size: clamp(28px, 3.5vw, 38px);
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  margin: 0;
}

.docs-lead {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-top: 8px;
}

.docs-meta-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 16px;
  font-size: 12px;
  color: var(--text-tertiary);
  font-family: 'JetBrains Mono', monospace;
}

.docs-meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ── Headings & Sections ─────────────────────────────────────────────────── */
.docs-content h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 48px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-subtle);
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 8px;
  scroll-margin-top: 80px;
}

.docs-content h2 .heading-anchor {
  color: var(--text-dim);
  text-decoration: none;
  font-weight: 400;
  opacity: 0;
  transition: opacity 0.15s;
}

.docs-content h2:hover .heading-anchor {
  opacity: 1;
}

.docs-content h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 32px;
  margin-bottom: 12px;
  scroll-margin-top: 80px;
}

.docs-content p {
  margin-bottom: 16px;
  color: #c9c5bd;
}

.docs-content ul, .docs-content ol {
  margin: 0 0 16px 20px;
  padding: 0;
  color: #c9c5bd;
}

.docs-content li {
  margin-bottom: 6px;
}

.docs-content a:not(.btn-primary):not(.btn-ghost):not(.sidebar-nav-link) {
  color: var(--accent-amber);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.15s;
}

.docs-content a:hover {
  color: var(--accent-amber-hover);
}

/* ── Code Blocks & Syntax Containers ─────────────────────────────────────── */
.code-block-wrapper {
  margin: 20px 0;
  border: 1px solid var(--border-default);
  border-radius: 8px;
  background: var(--bg-surface);
  overflow: hidden;
}

.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border-subtle);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px;
  color: var(--text-secondary);
}

.code-lang-tag {
  display: flex;
  align-items: center;
  gap: 6px;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--accent-amber);
}

.btn-code-copy {
  display: flex;
  align-items: center;
  gap: 5px;
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  padding: 3px 8px;
  color: var(--text-tertiary);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-code-copy:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--border-bright);
}

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

.code-block-wrapper pre {
  margin: 0;
  padding: 16px;
  overflow-x: auto;
  background: var(--bg-deep);
  color: #d1d5db;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  line-height: 1.6;
}

code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(212, 160, 82, 0.1);
  color: var(--accent-amber);
  border: 1px solid rgba(212, 160, 82, 0.2);
}

/* ── Callout / Alert Boxes ───────────────────────────────────────────────── */
.docs-alert {
  margin: 20px 0;
  padding: 16px 18px;
  border-radius: 8px;
  border-left: 4px solid;
  background: var(--bg-surface);
  display: flex;
  gap: 14px;
}

.docs-alert-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 2px;
}

.docs-alert-content {
  flex: 1;
  font-size: 14px;
  line-height: 1.6;
}

.docs-alert-content strong {
  display: block;
  font-weight: 700;
  margin-bottom: 4px;
}

.docs-alert.note {
  border-left-color: #60a5fa;
  background: rgba(96, 165, 250, 0.07);
}
.docs-alert.note .docs-alert-icon { color: #60a5fa; }
.docs-alert.note strong { color: #93c5fd; }

.docs-alert.tip {
  border-left-color: var(--accent-green);
  background: rgba(92, 158, 110, 0.08);
}
.docs-alert.tip .docs-alert-icon { color: var(--accent-green); }
.docs-alert.tip strong { color: #86efac; }

.docs-alert.important {
  border-left-color: var(--accent-amber);
  background: rgba(212, 160, 82, 0.08);
}
.docs-alert.important .docs-alert-icon { color: var(--accent-amber); }
.docs-alert.important strong { color: var(--accent-amber-hover); }

.docs-alert.warning {
  border-left-color: var(--accent-red);
  background: rgba(196, 92, 92, 0.08);
}
.docs-alert.warning .docs-alert-icon { color: var(--accent-red); }
.docs-alert.warning strong { color: #fca5a5; }

/* ── Interactive Category Grid ───────────────────────────────────────────── */
.docs-category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin: 32px 0;
}

.docs-category-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: 8px;
  padding: 20px;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  transition: all 0.2s ease;
  position: relative;
}

.docs-category-card:hover {
  border-color: var(--accent-amber);
  transform: translateY(-2px);
  background: var(--bg-elevated);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

.category-card-icon {
  width: 36px;
  height: 36px;
  border-radius: 6px;
  background: var(--accent-amber-dim);
  border: 1px solid var(--border-amber-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-amber);
  margin-bottom: 14px;
}

.category-card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.category-card-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 14px;
  flex: 1;
}

.category-card-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.topic-pill {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  padding: 2px 7px;
  border-radius: 3px;
  background: var(--bg-deep);
  border: 1px solid var(--border-subtle);
  color: var(--text-tertiary);
}

/* ── Schema & Data Tables ────────────────────────────────────────────────── */
.docs-table-wrapper {
  margin: 24px 0;
  border: 1px solid var(--border-default);
  border-radius: 8px;
  overflow-x: auto;
  background: var(--bg-surface);
}

.docs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
  text-align: left;
}

.docs-table th {
  background: var(--bg-elevated);
  padding: 10px 14px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-default);
}

.docs-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  vertical-align: top;
}

.docs-table tr:last-child td {
  border-bottom: none;
}

.docs-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-primary);
}

.type-badge {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  padding: 1px 5px;
  border-radius: 3px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  color: #93c5fd;
}

.type-badge.pk {
  background: var(--accent-amber-dim);
  border-color: var(--border-amber-dim);
  color: var(--accent-amber);
}

/* ── Architecture Diagram Box ────────────────────────────────────────────── */
.docs-diagram-box {
  margin: 28px 0;
  border: 1px solid var(--border-default);
  border-radius: 8px;
  background: var(--bg-deep);
  padding: 24px;
  overflow-x: auto;
}

.diagram-header {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-tertiary);
  text-transform: uppercase;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.ipc-flow-container {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 600px;
  margin: 0 auto;
}

.ipc-layer-card {
  border: 1px solid var(--border-default);
  border-radius: 6px;
  background: var(--bg-surface);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.ipc-layer-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.ipc-layer-name {
  font-weight: 700;
  font-size: 14px;
  color: var(--text-primary);
}

.ipc-layer-sub {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px;
  color: var(--text-tertiary);
}

.ipc-layer-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--bg-elevated);
  color: var(--accent-amber);
  border: 1px solid var(--border-amber-dim);
}

.ipc-arrow {
  display: flex;
  justify-content: center;
  align-items: center;
  color: var(--accent-amber);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  gap: 6px;
}

/* ── Right TOC Table of Contents ─────────────────────────────────────────── */
.docs-toc-wrapper {
  position: sticky;
  top: 64px;
  height: calc(100vh - 64px);
  overflow-y: auto;
  padding: 24px 0 24px 16px;
  border-left: 1px solid var(--border-subtle);
}

.docs-toc-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  margin-bottom: 12px;
}

.docs-toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.docs-toc-item {
  margin: 6px 0;
}

.docs-toc-link {
  display: block;
  font-size: 12.5px;
  color: var(--text-secondary);
  text-decoration: none;
  line-height: 1.4;
  transition: all 0.15s ease;
  border-left: 2px solid transparent;
  padding-left: 8px;
  margin-left: -17px;
}

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

.docs-toc-link.active {
  color: var(--accent-amber);
  border-left-color: var(--accent-amber);
  font-weight: 600;
}

/* ── Search Modal ────────────────────────────────────────────────────────── */
.docs-search-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 200;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 80px 20px 40px 20px;
}

.docs-search-modal-backdrop.open {
  display: flex;
}

.docs-search-modal {
  background: var(--bg-surface);
  border: 1px solid var(--border-bright);
  border-radius: 10px;
  width: 100%;
  max-width: 640px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.search-modal-input-row {
  display: flex;
  align-items: center;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-default);
  background: var(--bg-elevated);
  gap: 12px;
}

.search-modal-input-row input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 16px;
  font-family: inherit;
}

.search-modal-results {
  max-height: 380px;
  overflow-y: auto;
  padding: 10px;
}

.search-result-item {
  display: block;
  padding: 10px 14px;
  border-radius: 6px;
  text-decoration: none;
  color: var(--text-secondary);
  transition: all 0.15s ease;
  margin-bottom: 4px;
}

.search-result-item:hover, .search-result-item.active {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.search-result-category {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  color: var(--accent-amber);
  text-transform: uppercase;
  margin-bottom: 2px;
}

.search-result-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.search-result-snippet {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: 3px;
  line-height: 1.4;
}

.search-modal-footer {
  padding: 10px 18px;
  background: var(--bg-deep);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-tertiary);
}