/* ==========================================================================
   Promptise Foundry — Enterprise-minimalist docs theme
   2026 intelligence aesthetic: monochromatic, restrained, typography-driven
   ========================================================================== */

/* ---------- Material Design Required Variables ---------- */
/* These MUST be defined when using primary: custom / accent: custom */
:root,
[data-md-color-scheme="default"] {
  --md-primary-fg-color: #6366f1;
  --md-primary-fg-color--light: #818cf8;
  --md-primary-fg-color--dark: #4f46e5;
  --md-accent-fg-color: #6366f1;
  --md-accent-fg-color--transparent: rgba(99,102,241,.1);
}

[data-md-color-scheme="slate"] {
  --md-primary-fg-color: #818cf8;
  --md-primary-fg-color--light: #a5b4fc;
  --md-primary-fg-color--dark: #6366f1;
  --md-accent-fg-color: #818cf8;
  --md-accent-fg-color--transparent: rgba(129,140,248,.1);
}


/* ---------- CSS Custom Properties ---------- */
:root {
  /* Brand palette */
  --cf-brand: #6366f1;
  --cf-brand-light: #818cf8;
  --cf-brand-dark: #4f46e5;
  --cf-brand-subtle: #eef2ff;
  --cf-accent: #06b6d4;

  /* Surfaces */
  --cf-bg: #ffffff;
  --cf-bg-subtle: #f8fafc;
  --cf-bg-muted: #f1f5f9;
  --cf-border: #e2e8f0;
  --cf-border-subtle: #f1f5f9;

  /* Text */
  --cf-text: #0f172a;
  --cf-text-secondary: #475569;
  --cf-text-muted: #94a3b8;

  /* Code */
  --cf-code-bg: #0f172a;
  --cf-code-fg: #e2e8f0;

  /* Radii */
  --cf-radius: 12px;
  --cf-radius-sm: 8px;
  --cf-radius-lg: 16px;

  /* Shadows — minimal, nearly flat */
  --cf-shadow-sm: none;
  --cf-shadow: none;
  --cf-shadow-md: 0 1px 2px rgba(0,0,0,.04);
  --cf-shadow-lg: 0 2px 4px rgba(0,0,0,.06);
}

/* Dark mode overrides */
[data-md-color-scheme="slate"] {
  --cf-bg: #0a0a0a;
  --cf-bg-subtle: #111111;
  --cf-bg-muted: #1a1a1a;
  --cf-border: #262626;
  --cf-border-subtle: #1a1a1a;
  --cf-text: #fafafa;
  --cf-text-secondary: #a1a1aa;
  --cf-text-muted: #71717a;
  --cf-brand-subtle: rgba(99,102,241,.1);
  --cf-code-bg: #111111;
  --cf-shadow-sm: none;
  --cf-shadow: none;
  --cf-shadow-md: 0 1px 2px rgba(0,0,0,.15);
  --cf-shadow-lg: 0 2px 4px rgba(0,0,0,.2);

  --md-default-bg-color: #0a0a0a;
  --md-default-fg-color: #fafafa;
  --md-default-fg-color--light: #a1a1aa;
  --md-default-fg-color--lighter: #71717a;
  --md-default-fg-color--lightest: #3f3f46;
}


/* ========================================================================
   1. TYPOGRAPHY — Inter-inspired, clean hierarchy
   ======================================================================== */

:root {
  --md-text-font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --md-code-font: "JetBrains Mono", "Fira Code", "Cascadia Code", "SF Mono", monospace;
}

.md-typeset {
  font-size: .85rem;
  line-height: 1.75;
  color: var(--cf-text-secondary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.md-typeset h1 {
  font-weight: 700;
  letter-spacing: -.025em;
  color: var(--cf-text);
  margin-bottom: .5em;
  font-size: 1.8em;
  line-height: 1.2;
}

.md-typeset h2 {
  font-weight: 650;
  letter-spacing: -.02em;
  color: var(--cf-text);
  margin-top: 2em;
  padding-bottom: .4em;
  border-bottom: 1px solid var(--cf-border);
  font-size: 1.35em;
}

.md-typeset h3 {
  font-weight: 600;
  letter-spacing: -.015em;
  color: var(--cf-text);
  font-size: 1.1em;
}

.md-typeset h4 {
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--cf-text);
  font-size: .95em;
}

.md-typeset a {
  color: var(--cf-text);
  text-decoration: underline;
  text-decoration-color: var(--cf-border);
  text-underline-offset: 3px;
  transition: text-decoration-color .15s ease;
}

.md-typeset a:hover {
  text-decoration-color: var(--cf-text);
}

.md-typeset strong {
  color: var(--cf-text);
  font-weight: 600;
}


/* ========================================================================
   2. HEADER — Frosted glass, visible text
   ======================================================================== */

.md-header {
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(12px) saturate(180%);
  -webkit-backdrop-filter: blur(12px) saturate(180%);
  border-bottom: 1px solid var(--cf-border);
  box-shadow: none;
}

/* Force header text/icons to be dark in light mode */
.md-header,
.md-header .md-header__title,
.md-header .md-header__topic,
.md-header .md-header__button,
.md-header .md-header__button.md-logo {
  color: var(--cf-text);
}

.md-header .md-icon {
  color: var(--cf-text-secondary);
}

[data-md-color-scheme="slate"] .md-header {
  background: rgba(10,10,10,.85);
  border-bottom-color: var(--cf-border);
}

[data-md-color-scheme="slate"] .md-header,
[data-md-color-scheme="slate"] .md-header .md-header__title,
[data-md-color-scheme="slate"] .md-header .md-header__topic,
[data-md-color-scheme="slate"] .md-header .md-header__button {
  color: var(--cf-text);
}

[data-md-color-scheme="slate"] .md-header .md-icon {
  color: var(--cf-text-muted);
}

.md-header__title {
  font-weight: 600;
  letter-spacing: -.01em;
}

.md-header__button.md-logo img,
.md-header__button.md-logo svg {
  height: 1.4rem;
}

/* Dark mode: invert the black logo to white */
[data-md-color-scheme="slate"] .md-header__button.md-logo img {
  filter: invert(1);
}


/* ========================================================================
   3. NAVIGATION — Clean sidebar with clear category/page hierarchy
   ======================================================================== */

.md-sidebar {
  scrollbar-width: none;
}

.md-sidebar::-webkit-scrollbar {
  display: none;
}

/* ---- Page links (rendered as <a> tags) ---- */
.md-nav__item a.md-nav__link {
  font-size: .78rem;
  font-weight: 450;
  color: var(--cf-text-secondary);
  border-radius: 6px;
  padding: .35rem .6rem;
  transition: all .15s ease;
}

.md-nav__item a.md-nav__link:hover {
  color: var(--cf-text);
  background: var(--cf-bg-muted);
}

.md-nav__item a.md-nav__link--active {
  font-weight: 550;
  color: var(--cf-text);
  background: var(--cf-bg-muted);
}

/* ---- Top-level sidebar title (e.g. "Agent", "MCP") ---- */
.md-nav__title {
  font-size: .625rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--cf-text-muted);
}

/* ---- Section labels (category headers like "Setup", "Memory & State") ----
   MkDocs Material renders sections as <label class="md-nav__link"> inside
   md-nav__item--nested. Pages are <a class="md-nav__link">.
   We target the <label> specifically to style sections differently. */

.md-sidebar label.md-nav__link {
  font-size: .625rem;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--cf-text-muted);
  padding: .6rem .6rem .2rem;
  margin-top: .35rem;
  border-radius: 0;
  background: none !important;
}

.md-sidebar label.md-nav__link:hover {
  background: none !important;
  color: var(--cf-text-secondary);
}

/* The expand/collapse arrow on section headers */
.md-sidebar label.md-nav__link .md-nav__icon {
  color: var(--cf-text-muted);
}

/* ---- Section index pages (clickable section header with navigation.indexes) ----
   These are <a> tags inside --index items — they should look like pages, not categories */
.md-nav__item--index > a.md-nav__link {
  font-size: .78rem !important;
  font-weight: 500 !important;
  letter-spacing: normal !important;
  text-transform: none !important;
  color: var(--cf-text-secondary) !important;
  padding: .35rem .6rem !important;
  margin-top: 0 !important;
}

.md-nav__item--index > a.md-nav__link:hover {
  color: var(--cf-text) !important;
  background: var(--cf-bg-muted) !important;
}

/* ---- Subtle separator between sections ---- */
.md-sidebar .md-nav__item--nested + .md-nav__item--nested {
  border-top: 1px solid var(--cf-border-subtle);
  margin-top: .15rem;
  padding-top: .1rem;
}


/* ========================================================================
   4. TABS — Visible in both modes
   ======================================================================== */

.md-tabs {
  background: transparent;
  border-bottom: 1px solid var(--cf-border);
}

.md-tabs__link {
  font-size: .75rem;
  font-weight: 500;
  color: var(--cf-text-muted) !important;
  opacity: 1 !important;
  transition: color .15s ease;
}

.md-tabs__link:hover {
  color: var(--cf-text) !important;
}

.md-tabs__link--active {
  color: var(--cf-text) !important;
  font-weight: 600;
}


/* ========================================================================
   5. CODE BLOCKS — Dark, rounded, monospace
   ======================================================================== */

.md-typeset code {
  font-size: .78em;
  padding: .15em .4em;
  border-radius: 4px;
  background: var(--cf-bg-muted);
  color: var(--cf-text);
  font-weight: 450;
  border: 1px solid var(--cf-border-subtle);
}

[data-md-color-scheme="slate"] .md-typeset code {
  background: var(--cf-bg-muted);
  color: var(--cf-text);
  border-color: var(--cf-border);
}

.md-typeset pre {
  border-radius: var(--cf-radius-sm);
  border: 1px solid var(--cf-border);
  overflow: hidden;
}

.md-typeset pre > code {
  font-size: .75rem;
  padding: .85rem 1rem;
  border-radius: 0;
  background: var(--cf-code-bg);
  color: var(--cf-code-fg);
  border: none;
  line-height: 1.65;
}

[data-md-color-scheme="slate"] .md-typeset pre {
  border-color: var(--cf-border);
}

/* Copy button */
.md-typeset .md-clipboard {
  color: var(--cf-text-muted);
}

.md-typeset .md-clipboard:hover {
  color: var(--cf-brand);
}

/* Line numbers */
.md-typeset .highlight .linenodiv {
  opacity: .35;
}


/* ========================================================================
   6. TABLES — Clean with subtle striping
   ======================================================================== */

.md-typeset table:not([class]) {
  font-size: .75rem;
  border: 1px solid var(--cf-border);
  border-radius: var(--cf-radius-sm);
  border-spacing: 0;
  overflow: hidden;
  display: table;
  width: 100%;
}

.md-typeset table:not([class]) th {
  background: var(--cf-bg-subtle);
  font-weight: 600;
  color: var(--cf-text);
  padding: .5rem .85rem;
  border-bottom: 1px solid var(--cf-border);
  text-align: left;
  font-size: .7rem;
  letter-spacing: .02em;
  text-transform: uppercase;
}

.md-typeset table:not([class]) td {
  padding: .45rem .85rem;
  border-bottom: 1px solid var(--cf-border-subtle);
  vertical-align: top;
}

.md-typeset table:not([class]) tr:last-child td {
  border-bottom: none;
}

.md-typeset table:not([class]) tbody tr:hover {
  background: var(--cf-bg-subtle);
}


/* ========================================================================
   7. ADMONITIONS — Rounded, modern cards
   ======================================================================== */

.md-typeset .admonition,
.md-typeset details {
  border-radius: var(--cf-radius-sm);
  border: 1px solid var(--cf-border);
  font-size: .75rem;
  overflow: hidden;
}

.md-typeset .admonition-title,
.md-typeset summary {
  font-weight: 600;
  font-size: .75rem;
  letter-spacing: -.005em;
  border-radius: var(--cf-radius) var(--cf-radius) 0 0;
}


/* ========================================================================
   8. SEARCH — Rounded input
   ======================================================================== */

.md-search__input {
  border-radius: var(--cf-radius);
  background: var(--cf-bg-muted);
  font-size: .75rem;
}

[data-md-color-scheme="slate"] .md-search__input {
  background: var(--cf-bg-muted);
}


/* ========================================================================
   9. FOOTER — Subtle
   ======================================================================== */

.md-footer {
  background: var(--cf-bg-subtle);
  border-top: 1px solid var(--cf-border);
}

[data-md-color-scheme="slate"] .md-footer {
  background: var(--cf-bg-subtle);
}


/* ========================================================================
   10. CONTENT AREA — Constrained width, proper spacing
   ======================================================================== */

.md-main__inner {
  max-width: 100%;
}

.md-content {
  max-width: 100%;
}

.md-content__inner {
  max-width: 48rem;
  padding-top: 1.5rem;
  padding-bottom: 3rem;
}


/* (Homepage hero/feature/stat/path CSS removed — homepage is now Installation page) */


/* ========================================================================
   12. SCROLLBAR — Thin, modern
   ======================================================================== */

.md-content ::-webkit-scrollbar {
  height: 5px;
  width: 5px;
}

.md-content ::-webkit-scrollbar-thumb {
  background: var(--cf-border);
  border-radius: 3px;
}

.md-content ::-webkit-scrollbar-track {
  background: transparent;
}


/* ========================================================================
   13. RESPONSIVE
   ======================================================================== */

/* (Homepage responsive overrides removed — homepage is now Installation page) */


/* ========================================================================
   14. MISC POLISH
   ======================================================================== */

/* Horizontal rules */
.md-typeset hr {
  border: none;
  height: 1px;
  background: var(--cf-border);
  margin: 1.75rem 0;
}

/* Lists */
.md-typeset ul,
.md-typeset ol {
  color: var(--cf-text-secondary);
}

.md-typeset li {
  margin-bottom: .2rem;
}

/* Blockquotes */
.md-typeset blockquote {
  border-left: 2px solid var(--cf-border);
  background: transparent;
  border-radius: 0;
  padding: .65rem .85rem;
  color: var(--cf-text-muted);
}

/* Task lists */
.md-typeset .task-list-control input[type="checkbox"] {
  accent-color: var(--cf-brand);
}

/* Images */
.md-typeset img {
  border-radius: var(--cf-radius);
}

/* Keyboard shortcuts */
.md-typeset kbd {
  border-radius: 6px;
  box-shadow: var(--cf-shadow-sm);
}

/* Content tabs (Quick Start section) */
.md-typeset .tabbed-labels {
  border-bottom: 1px solid var(--cf-border);
}

.md-typeset .tabbed-labels > label {
  font-size: .8rem;
  font-weight: 500;
  color: var(--cf-text-muted);
}

.md-typeset .tabbed-labels > label:hover {
  color: var(--cf-text);
}

.md-typeset .tabbed-labels > label.tabbed-labels--active,
.md-typeset .tabbed-labels > .tabbed-alternate:checked + label {
  color: var(--cf-text);
}

/* (Homepage architecture diagram CSS removed — homepage is now Installation page) */


/* ========================================================================
   15. FULL-WIDTH CONTENT — when no sidebar is present
   ======================================================================== */

/* When no sidebar is present (homepage, pages with hide: navigation),
   let the content span full width — individual sections control their own max-width. */
.md-content:only-child {
  max-width: 100%;
}

.md-content:only-child .md-content__inner {
  max-width: 100%;
  margin: 0 auto;
}


/* ========================================================================
   16. LIGHT MODE — Ensure full consistency
   ======================================================================== */

[data-md-color-scheme="default"] {
  --md-default-bg-color: #ffffff;
  --md-default-fg-color: #0f172a;
  --md-default-fg-color--light: #475569;
  --md-default-fg-color--lighter: #94a3b8;
  --md-default-fg-color--lightest: #e2e8f0;
}


/* ========================================================================
   17. HOMEPAGE — Enterprise-minimalist landing
   ======================================================================== */

/* Hero */
.pf-hero {
  max-width: 560px;
  margin: 5rem auto 3.5rem;
  text-align: center;
}

.pf-hero h1 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -.03em;
  line-height: 1.2;
  color: var(--cf-text);
  margin: 0 0 1rem;
  border: none;
  padding: 0;
}

.pf-hero p {
  font-size: .85rem;
  line-height: 1.65;
  color: var(--cf-text-muted);
  margin: 0 auto 2rem;
  max-width: 440px;
}

/* Install pill */
.pf-install-row {
  margin: 0 auto 1.5rem;
  text-align: center;
}

.pf-install-row code {
  display: inline-block;
  font-family: var(--md-code-font);
  font-size: .8rem;
  font-weight: 400;
  padding: .5rem 1.2rem;
  border-radius: 6px;
  border: 1px solid var(--cf-border);
  background: var(--cf-bg-subtle);
  color: var(--cf-text-secondary);
}

[data-md-color-scheme="slate"] .pf-install-row code {
  background: var(--cf-bg-muted);
}

/* Links */
.pf-links {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
}

.pf-link {
  font-size: .78rem;
  font-weight: 500;
  color: var(--cf-text-muted);
  text-decoration: none;
  transition: color .15s ease;
}

.pf-link:hover {
  color: var(--cf-text);
  text-decoration: none;
}

/* ── Reasoning Graph Feature Section ── */

.pf-feature {
  max-width: 700px;
  margin: 0 auto 3.5rem;
}

.pf-feature-header {
  text-align: center;
  margin-bottom: 2rem;
}

.pf-feature-header h2 {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--cf-text);
  margin: 0 0 .6rem;
  border: none;
  padding: 0;
}

.pf-feature-header p {
  font-size: .82rem;
  line-height: 1.65;
  color: var(--cf-text-muted);
  margin: 0 auto;
  max-width: 520px;
}

.pf-feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--cf-border);
  border: 1px solid var(--cf-border);
  border-radius: var(--cf-radius-sm);
  overflow: hidden;
  margin-bottom: 2rem;
}

.pf-feature-card {
  padding: 1.25rem;
  background: var(--cf-bg);
}

[data-md-color-scheme="slate"] .pf-feature-card {
  background: var(--cf-bg-subtle);
}

.pf-feature-icon {
  font-size: 1.2rem;
  margin-bottom: .4rem;
}

.pf-feature-card h3 {
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--cf-text);
  margin: 0 0 .3rem;
  border: none;
  padding: 0;
}

.pf-feature-card p {
  font-size: .7rem;
  line-height: 1.55;
  color: var(--cf-text-muted);
  margin: 0;
}

.pf-feature-code {
  margin-bottom: 2rem;
}

.pf-feature-patterns {
  margin-bottom: 1.5rem;
}

.pf-feature-patterns h3 {
  font-size: .78rem;
  font-weight: 600;
  color: var(--cf-text);
  margin: 0 0 .8rem;
  border: none;
  padding: 0;
  text-align: center;
}

.pf-pattern-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
}

.pf-pattern {
  padding: .45rem .75rem;
  border: 1px solid var(--cf-border);
  border-radius: 6px;
  background: var(--cf-bg-subtle);
  text-align: center;
  font-size: .65rem;
  line-height: 1.4;
}

[data-md-color-scheme="slate"] .pf-pattern {
  background: var(--cf-bg-muted);
}

.pf-pattern strong {
  display: block;
  font-size: .7rem;
  font-weight: 600;
  color: var(--cf-text);
}

.pf-pattern span {
  color: var(--cf-text-muted);
  font-size: .6rem;
}

.pf-feature-cta {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  margin-top: 1rem;
}

@media (max-width: 600px) {
  .pf-feature {
    margin: 0 1.5rem 2.5rem;
  }

  .pf-feature-grid {
    grid-template-columns: 1fr;
  }

  .pf-pattern-grid {
    flex-direction: column;
    align-items: center;
  }
}

/* Pillar grid */
.pf-pillars {
  max-width: 640px;
  margin: 0 auto 3rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--cf-border);
  border-left: 1px solid var(--cf-border);
}

.pf-pillar {
  padding: 1.5rem;
  border-right: 1px solid var(--cf-border);
  border-bottom: 1px solid var(--cf-border);
}

.pf-pillar h3 {
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--cf-text);
  margin: 0 0 .4rem;
  border: none;
  padding: 0;
}

.pf-pillar p {
  font-size: .72rem;
  line-height: 1.6;
  color: var(--cf-text-muted);
  margin: 0 0 .6rem;
}

.pf-pillar-link {
  font-size: .68rem;
  font-weight: 500;
  color: var(--cf-text-secondary);
  text-decoration: none;
  letter-spacing: .01em;
}

.pf-pillar-link:hover {
  color: var(--cf-text);
  text-decoration: none;
}

/* Sections below fold */
.pf-section {
  max-width: 500px;
  margin: 0 auto 2.5rem;
}

.pf-section h2 {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--cf-text);
  border: none;
  margin: 0 0 .75rem;
  padding: 0;
}

.pf-section p {
  font-size: .8rem;
  margin: 0 0 .5rem;
}

.pf-section ul {
  padding-left: 0;
  list-style: none;
}

.pf-section li {
  font-size: .8rem;
  margin-bottom: .3rem;
}

/* Responsive */
@media (max-width: 600px) {
  .pf-hero {
    margin: 3rem 1.5rem 2rem;
  }

  .pf-hero h1 {
    font-size: 1.5rem;
  }

  .pf-pillars {
    grid-template-columns: 1fr;
    margin: 0 1.5rem 2.5rem;
  }

  .pf-section {
    margin: 0 1.5rem 2rem;
  }
}