/* ============================================================
   Codegenome Documentation — Soft Warm Minimalist Theme
   Premium light-mode developer hub
   ============================================================ */

@import url('scrollbars.css');
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ── Design Tokens ──────────────────────────────────────── */
:root {
  /* Backgrounds */
  --doc-bg:          #FBFBF9;       /* main content workspace */
  --doc-surface:     #F5F3EE;       /* sidebar, cards, search */
  --doc-surface-2:   #EFECE4;       /* active / hover states  */
  --doc-surface-3:   #EAE7DF;       /* sunken inset areas     */

  /* Text */
  --doc-text:        #2D3142;       /* deep rich charcoal     */
  --doc-muted:       #6B7280;       /* secondary / labels     */
  --doc-subtle:      #9CA3AF;       /* placeholders, hints    */

  /* Brand accent — Sage / Slate Teal */
  --doc-accent:      #7A9E9F;
  --doc-accent-dark: #5C8283;
  --doc-accent-dim:  rgba(122, 158, 159, 0.10);
  --doc-accent-bg:   rgba(122, 158, 159, 0.06);

  /* Borders */
  --doc-border:      #E8E5DE;
  --doc-border-faint: rgba(0,0,0,0.04);

  /* Alert tints */
  --doc-alert-note-bg:    #F0F7F7;
  --doc-alert-note-bar:   #7A9E9F;
  --doc-alert-warn-bg:    #FEFBF0;
  --doc-alert-warn-bar:   #D4A843;
  --doc-alert-tip-bg:     #F2FAF2;
  --doc-alert-tip-bar:    #5BA85B;

  /* Layout */
  --doc-sidebar-w:   264px;
  --doc-toc-w:       196px;
  --doc-content-max: 50rem;

  /* Typography */
  --doc-font:        'Plus Jakarta Sans', system-ui, sans-serif;
  --doc-mono:        'JetBrains Mono', 'Fira Mono', ui-monospace, monospace;

  /* Shadows */
  --doc-shadow-sm:   0 1px 3px rgba(0,0,0,0.05), 0 1px 2px rgba(0,0,0,0.03);
  --doc-shadow-md:   0 4px 30px rgba(0,0,0,0.06), 0 1px 4px rgba(0,0,0,0.04);
  --doc-shadow-code: 0 4px 30px rgba(0,0,0,0.05), 0 1px 3px rgba(0,0,0,0.04);
}

/* ── Utility ─────────────────────────────────────────────── */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); border: 0;
}

/* ── Global Reset for doc shell ─────────────────────────── */
body.has-doc-shell {
  background: var(--doc-bg);
  color: var(--doc-text);
  font-family: var(--doc-font);
  font-size: 15.5px;
  line-height: 1.7;
  margin: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── Sticky Header ───────────────────────────────────────── */
.doc-site-header {
  background: rgba(251, 251, 249, 0.92);
  border-bottom: 1px solid var(--doc-border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.doc-header-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 3.5rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.doc-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--doc-text);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.01em;
  flex-shrink: 0;
}

.doc-brand img {
  border-radius: 6px;
  opacity: 0.88;
}

.doc-brand-text {
  font-family: var(--doc-font);
  font-weight: 800;
  background: linear-gradient(135deg, #2D3142 0%, var(--doc-accent-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.doc-header-links {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.doc-header-link {
  font-family: var(--doc-font);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--doc-muted);
  text-decoration: none;
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
  transition: color 0.18s ease, background 0.18s ease;
}

.doc-header-link:hover {
  color: var(--doc-text);
  background: var(--doc-surface-2);
}

.doc-menu-toggle {
  display: none;
  font-family: var(--doc-font);
  font-size: 0.8rem;
  font-weight: 600;
  background: var(--doc-surface);
  border: 1px solid var(--doc-border);
  color: var(--doc-text);
  padding: 0.4rem 0.85rem;
  cursor: pointer;
  border-radius: 7px;
  transition: background 0.18s;
}

.doc-menu-toggle:hover {
  background: var(--doc-surface-2);
}

/* ── Page Layout ─────────────────────────────────────────── */
.doc-page-wrap {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.doc-layout {
  flex: 1;
  display: grid;
  grid-template-columns: var(--doc-sidebar-w) 1fr;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

/* ── Sidebar ─────────────────────────────────────────────── */
.doc-sidebar {
  background: var(--doc-surface);
  border-right: 1px solid var(--doc-border);
  padding: 1.75rem 0 3rem;
  position: sticky;
  top: 3.5rem;
  align-self: start;
  max-height: calc(100vh - 3.5rem);
  overflow-y: auto;
}

.doc-sidebar-nav {}

.doc-nav-section {
  margin-bottom: 1.75rem;
}

.doc-nav-heading {
  font-family: var(--doc-font);
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--doc-subtle);
  margin: 0 1.1rem 0.5rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--doc-border-faint);
}

.doc-nav-list {
  list-style: none;
  margin: 0;
  padding: 0 0.6rem;
}

.doc-nav-list a {
  display: block;
  padding: 0.4rem 0.75rem;
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--doc-muted);
  text-decoration: none;
  border-radius: 7px;
  border-left: 2px solid transparent;
  margin-bottom: 1px;
  transition: color 0.15s ease, background 0.15s ease;
}

.doc-nav-list a:hover {
  color: var(--doc-text);
  background: var(--doc-surface-2);
}

.doc-nav-list a.is-active {
  color: var(--doc-accent-dark);
  background: var(--doc-accent-dim);
  border-left-color: var(--doc-accent);
  font-weight: 600;
}

/* ── Main Content Area ───────────────────────────────────── */
.doc-main {
  display: grid;
  grid-template-columns: minmax(0, var(--doc-content-max)) minmax(0, var(--doc-toc-w));
  gap: 3rem;
  padding: 2.5rem 2.5rem 4rem;
  min-width: 0;
}

.doc-article {
  min-width: 0;
}

/* ── Typography ──────────────────────────────────────────── */
.doc-article h1 {
  font-family: var(--doc-font);
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--doc-text);
  margin: 0 0 0.6rem;
}

.doc-lead {
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--doc-muted);
  line-height: 1.65;
  margin: 0 0 2rem;
  max-width: 44rem;
}

.doc-article h2 {
  font-family: var(--doc-font);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--doc-text);
  margin: 2.75rem 0 0.9rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--doc-border);
}

.doc-article h2:first-of-type {
  border-top: none;
  margin-top: 1.5rem;
}

.doc-article h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--doc-text);
  margin: 2rem 0 0.6rem;
  letter-spacing: -0.01em;
}

.doc-article h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--doc-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 1.5rem 0 0.5rem;
}

.doc-article p {
  color: var(--doc-text);
  margin: 0 0 1.1rem;
}

.doc-article a {
  color: var(--doc-accent-dark);
  text-decoration: underline;
  text-decoration-color: rgba(92, 130, 131, 0.35);
  text-underline-offset: 2px;
  transition: color 0.15s, text-decoration-color 0.15s;
}

.doc-article a:hover {
  color: var(--doc-accent);
  text-decoration-color: var(--doc-accent);
}

.doc-article ul,
.doc-article ol {
  margin: 0 0 1.1rem;
  padding-left: 1.5rem;
}

.doc-article li {
  color: var(--doc-text);
  margin-bottom: 0.4rem;
}

.doc-article strong {
  font-weight: 700;
  color: var(--doc-text);
}

.doc-article em {
  font-style: italic;
}

/* ── Inline Code ─────────────────────────────────────────── */
.doc-article code {
  font-family: var(--doc-mono);
  font-size: 0.83em;
  background: var(--doc-surface);
  border: 1px solid var(--doc-border);
  padding: 0.12em 0.4em;
  border-radius: 5px;
  color: #5C6AC4;
  font-weight: 500;
}

/* ── Code Blocks ─────────────────────────────────────────── */
.doc-code-block {
  position: relative;
  margin: 1rem 0 1.75rem;
}

.doc-code-block pre {
  margin: 0;
  padding: 1.1rem 1.4rem;
  background: var(--doc-surface);
  border: 1px solid var(--doc-border);
  border-radius: 12px;
  overflow-x: auto;
  font-family: var(--doc-mono);
  font-size: 0.84rem;
  line-height: 1.65;
  color: #3d4451;
  box-shadow: var(--doc-shadow-code);
}

/* Syntax token colors — GitHub Light style */
.doc-code-block pre .token-keyword    { color: #cf222e; }
.doc-code-block pre .token-string     { color: #0a3069; }
.doc-code-block pre .token-comment    { color: #6e7781; font-style: italic; }
.doc-code-block pre .token-function   { color: #8250df; }
.doc-code-block pre .token-number     { color: #0550ae; }
.doc-code-block pre .token-operator   { color: #cf222e; }
.doc-code-block pre .token-variable   { color: #953800; }
.doc-code-block pre .token-flag       { color: var(--doc-accent-dark); font-weight: 600; }

.doc-code-block .copy-btn {
  position: absolute;
  top: 0.6rem;
  right: 0.6rem;
  font-family: var(--doc-font);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--doc-bg);
  border: 1px solid var(--doc-border);
  color: var(--doc-muted);
  padding: 0.3rem 0.65rem;
  cursor: pointer;
  border-radius: 6px;
  transition: color 0.15s, background 0.15s, border-color 0.15s;
}

.doc-code-block .copy-btn:hover {
  color: var(--doc-accent-dark);
  border-color: var(--doc-accent);
  background: var(--doc-accent-bg);
}

/* ── Alert Callouts ──────────────────────────────────────── */
.doc-note,
.doc-warning,
.doc-tip,
.doc-important {
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
  border-radius: 10px;
  border-left: 3px solid var(--doc-alert-note-bar);
  background: var(--doc-alert-note-bg);
  font-size: 0.93rem;
  line-height: 1.6;
}

.doc-warning {
  border-left-color: var(--doc-alert-warn-bar);
  background: var(--doc-alert-warn-bg);
}

.doc-tip {
  border-left-color: var(--doc-alert-tip-bar);
  background: var(--doc-alert-tip-bg);
}

.doc-important {
  border-left-color: #C05858;
  background: #FDF2F2;
}

.doc-note-title {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--doc-font);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin: 0 0 0.5rem;
  color: var(--doc-alert-note-bar);
}

.doc-warning .doc-note-title  { color: var(--doc-alert-warn-bar); }
.doc-tip     .doc-note-title  { color: var(--doc-alert-tip-bar);  }
.doc-important .doc-note-title{ color: #C05858; }

/* ── Tables ──────────────────────────────────────────────── */
.doc-table-wrap {
  overflow-x: auto;
  margin: 1rem 0 1.75rem;
  border-radius: 10px;
  border: 1px solid var(--doc-border);
  box-shadow: var(--doc-shadow-sm);
}

.doc-article table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.doc-article th {
  background: var(--doc-surface);
  font-family: var(--doc-font);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--doc-muted);
  padding: 0.65rem 0.9rem;
  text-align: left;
  border-bottom: 1px solid var(--doc-border);
}

.doc-article td {
  padding: 0.6rem 0.9rem;
  color: var(--doc-text);
  border-bottom: 1px solid var(--doc-border-faint);
  vertical-align: top;
}

.doc-article tr:last-child td {
  border-bottom: none;
}

.doc-article tr:hover td {
  background: var(--doc-surface);
}

/* ── Cards ───────────────────────────────────────────────── */
.doc-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0 2rem;
}

.doc-card {
  display: block;
  padding: 1.25rem 1.35rem;
  border: 1px solid var(--doc-border);
  border-radius: 12px;
  background: var(--doc-surface);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
  box-shadow: var(--doc-shadow-sm);
}

.doc-card:hover {
  border-color: var(--doc-accent);
  box-shadow: 0 6px 24px rgba(122, 158, 159, 0.12);
  transform: translateY(-2px);
}

.doc-card h3 {
  margin: 0 0 0.45rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--doc-text);
  letter-spacing: -0.01em;
}

.doc-card p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--doc-muted);
  line-height: 1.55;
}

/* ── Numbered Steps ──────────────────────────────────────── */
.doc-steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
  margin: 1.5rem 0;
}

.doc-steps li {
  counter-increment: step;
  margin-bottom: 1.75rem;
  padding-left: 2.75rem;
  position: relative;
}

.doc-steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0.05rem;
  width: 1.85rem;
  height: 1.85rem;
  line-height: 1.85rem;
  text-align: center;
  font-family: var(--doc-mono);
  font-size: 0.76rem;
  font-weight: 700;
  background: var(--doc-accent-dim);
  border: 1px solid rgba(122, 158, 159, 0.25);
  border-radius: 50%;
  color: var(--doc-accent-dark);
}

/* ── 3-Step Architecture Grid ────────────────────────────── */
.doc-concept-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 1.5rem 0 2rem;
}

.doc-concept-card {
  padding: 1.5rem;
  border: 1px solid var(--doc-border);
  border-radius: 12px;
  background: var(--doc-surface);
  box-shadow: var(--doc-shadow-sm);
  position: relative;
  overflow: hidden;
  transition: box-shadow 0.2s, transform 0.2s;
}

.doc-concept-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--doc-accent) 0%, var(--doc-accent-dark) 100%);
  border-radius: 12px 12px 0 0;
  opacity: 0.7;
}

.doc-concept-card:hover {
  box-shadow: 0 6px 24px rgba(122, 158, 159, 0.12);
  transform: translateY(-2px);
}

.doc-concept-label {
  display: inline-block;
  font-family: var(--doc-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--doc-accent-dark);
  background: var(--doc-accent-dim);
  border: 1px solid rgba(122, 158, 159, 0.2);
  padding: 0.2rem 0.55rem;
  border-radius: 5px;
  letter-spacing: 0.04em;
  margin-bottom: 0.75rem;
}

.doc-concept-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
  color: var(--doc-text);
}

.doc-concept-card p {
  font-size: 0.85rem;
  color: var(--doc-muted);
  margin: 0;
  line-height: 1.6;
}

/* ── Hero Install Block (docs landing) ───────────────────── */
.doc-hero-install {
  background: var(--doc-surface);
  border: 1px solid var(--doc-border);
  border-radius: 14px;
  padding: 1.5rem 1.75rem;
  margin: 0 0 2rem;
  box-shadow: var(--doc-shadow-md);
}

.doc-hero-install-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--doc-accent-dark);
  margin-bottom: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.doc-hero-install-title::before {
  content: '⚡';
  font-style: normal;
}

.doc-hero-install .doc-code-block {
  margin: 0.5rem 0 0;
}

.doc-hero-install .doc-code-block:last-child {
  margin-bottom: 0;
}

.doc-hero-install .doc-code-block pre {
  background: var(--doc-bg);
  border-color: var(--doc-border);
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
}

/* ── TOC ─────────────────────────────────────────────────── */
.doc-toc {
  position: sticky;
  top: 4rem;
  align-self: start;
  font-size: 0.83rem;
}

.doc-toc-title {
  font-family: var(--doc-font);
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--doc-subtle);
  margin: 0 0 0.6rem;
}

.doc-toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--doc-border);
}

.doc-toc-list a {
  display: block;
  padding: 0.25rem 0 0.25rem 0.9rem;
  color: var(--doc-muted);
  text-decoration: none;
  font-size: 0.83rem;
  transition: color 0.15s;
  border-left: 2px solid transparent;
  margin-left: -1px;
}

.doc-toc-list a:hover {
  color: var(--doc-accent-dark);
  border-left-color: var(--doc-accent);
}

.doc-toc-h3 a {
  padding-left: 1.5rem;
  font-size: 0.78rem;
}

/* ── Pager ───────────────────────────────────────────────── */
.doc-pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--doc-border);
}

.doc-pager a {
  text-decoration: none;
  padding: 1rem 1.1rem;
  border: 1px solid var(--doc-border);
  border-radius: 10px;
  background: var(--doc-surface);
  transition: border-color 0.18s, box-shadow 0.18s;
  box-shadow: var(--doc-shadow-sm);
}

.doc-pager a:hover {
  border-color: var(--doc-accent);
  box-shadow: 0 4px 16px rgba(122, 158, 159, 0.10);
}

.doc-pager-next {
  text-align: right;
  grid-column: 2;
}

.doc-pager-label {
  display: block;
  font-family: var(--doc-font);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--doc-subtle);
  margin-bottom: 0.3rem;
}

.doc-pager-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--doc-accent-dark);
}

/* ── Footer ──────────────────────────────────────────────── */
.doc-site-footer {
  border-top: 1px solid var(--doc-border);
  padding: 1.25rem 1.5rem;
  text-align: center;
  font-family: var(--doc-font);
  font-size: 0.8rem;
  color: var(--doc-subtle);
  background: var(--doc-surface);
}

.doc-site-footer a {
  color: var(--doc-accent-dark);
  text-decoration: none;
}

.doc-site-footer a:hover {
  color: var(--doc-accent);
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 1100px) {
  .doc-main {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .doc-toc {
    display: none;
  }
  .doc-concept-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .doc-layout {
    grid-template-columns: 1fr;
  }
  .doc-menu-toggle {
    display: block;
  }
  .doc-sidebar {
    display: none;
    position: fixed;
    top: 3.5rem;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 90;
    max-height: none;
    overflow-y: auto;
    border-right: none;
    border-bottom: 1px solid var(--doc-border);
    box-shadow: 0 8px 32px rgba(0,0,0,0.08);
  }
  body.doc-sidebar-open .doc-sidebar {
    display: block;
  }
  .doc-main {
    padding: 1.5rem 1.25rem 2.5rem;
  }
  .doc-card-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 520px) {
  .doc-card-grid {
    grid-template-columns: 1fr;
  }
  .doc-pager {
    grid-template-columns: 1fr;
  }
  .doc-pager-next {
    grid-column: 1;
    text-align: left;
  }
}