/* ===========================================================================
   PUTGO docs — theme for MkDocs Material 9.7 (dark only)
   Tokens mirror the marketing site (app/globals.css): black ground, one green
   accent, thin borders, pill buttons, lots of air. Geist Sans / Geist Mono
   are self-hosted from ../fonts/.

   Author helpers available in Markdown (attr_list + md_in_html are enabled):
     <div class="putgo-hero" markdown>            landing hero (large title,
       <p class="putgo-eyebrow">…</p>              muted lead, gradient glow,
       # Title                                     pill buttons)
       <p class="putgo-lead">…</p>
       [Protect](protect.md){ .md-button .md-button--primary }
       [Earn](earn.md){ .md-button }
     </div>
     <div class="grid cards" markdown> … </div>   Material grid cards
   =========================================================================== */

/* ---------------------------------------------------------------------------
   Fonts
--------------------------------------------------------------------------- */
@font-face {
  font-family: "Geist";
  src: url("../fonts/Geist-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Geist";
  src: url("../fonts/Geist-Medium.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Geist";
  src: url("../fonts/Geist-SemiBold.woff2") format("woff2");
  font-weight: 600 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Geist Mono";
  src: url("../fonts/GeistMono-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Geist Mono";
  src: url("../fonts/GeistMono-Medium.woff2") format("woff2");
  font-weight: 500 700;
  font-style: normal;
  font-display: swap;
}

/* ---------------------------------------------------------------------------
   Tokens
--------------------------------------------------------------------------- */
:root {
  --pg-bg: #050607;
  --pg-bg-elevated: #0a0c0e;
  --pg-surface: #0f1215;
  --pg-surface-2: #14181c;
  --pg-surface-3: #1a1f24;
  --pg-border: #1c2126;
  --pg-border-strong: #272d34;
  --pg-fg: #f2f5f7;
  --pg-fg-muted: #9aa4ae;
  --pg-fg-subtle: #7b8791;
  --pg-accent: #31f28e;
  --pg-accent-hover: #5df7a8;
  --pg-accent-deep: #17b866;
  --pg-accent-ink: #03120a;
  --pg-warning: #f5c451;
  --pg-danger: #ff6b6b;
  --pg-info: #7dd3fc;

  --pg-radius: 0.75rem;
  --pg-radius-lg: 1rem;
  --pg-shadow-card: inset 0 1px 0 0 rgb(255 255 255 / 0.04),
    0 24px 48px -24px rgb(0 0 0 / 0.7);
  --pg-shadow-card-hover: inset 0 1px 0 0 rgb(255 255 255 / 0.06),
    0 32px 64px -28px rgb(0 0 0 / 0.8);
  --pg-ease: cubic-bezier(0.22, 1, 0.36, 1);

  --md-text-font: "Geist";
  --md-code-font: "Geist Mono";
}

/* Material palette (scheme: slate, primary/accent: custom) */
[data-md-color-scheme="slate"] {
  color-scheme: dark;
  --md-hue: 210;

  --md-default-bg-color: var(--pg-bg);
  --md-default-bg-color--light: var(--pg-bg-elevated);
  --md-default-bg-color--lighter: var(--pg-surface);
  --md-default-bg-color--lightest: var(--pg-surface-2);

  --md-default-fg-color: var(--pg-fg);
  --md-default-fg-color--light: var(--pg-fg-muted);
  --md-default-fg-color--lighter: var(--pg-fg-subtle);
  --md-default-fg-color--lightest: var(--pg-border-strong);

  --md-primary-fg-color: var(--pg-bg);
  --md-primary-fg-color--light: var(--pg-surface);
  --md-primary-fg-color--dark: var(--pg-bg);
  --md-primary-bg-color: var(--pg-fg);
  --md-primary-bg-color--light: var(--pg-fg-muted);

  --md-accent-fg-color: var(--pg-accent-hover);
  --md-accent-fg-color--transparent: rgb(49 242 142 / 0.1);
  --md-accent-bg-color: var(--pg-accent-ink);
  --md-accent-bg-color--light: var(--pg-accent-ink);

  --md-typeset-color: var(--pg-fg);
  --md-typeset-a-color: var(--pg-accent);
  --md-typeset-mark-color: rgb(49 242 142 / 0.25);
  --md-typeset-del-color: rgb(255 107 107 / 0.2);
  --md-typeset-ins-color: rgb(49 242 142 / 0.15);
  --md-typeset-kbd-color: var(--pg-surface-2);
  --md-typeset-kbd-accent-color: var(--pg-surface-3);
  --md-typeset-kbd-border-color: var(--pg-border-strong);
  --md-typeset-table-color: var(--pg-border);
  --md-typeset-table-color--light: rgb(255 255 255 / 0.025);

  --md-code-bg-color: var(--pg-surface);
  --md-code-fg-color: var(--pg-fg);
  --md-code-hl-color: rgb(49 242 142 / 0.14);
  --md-code-hl-color--light: rgb(49 242 142 / 0.07);
  --md-code-hl-number-color: var(--pg-warning);
  --md-code-hl-special-color: var(--pg-danger);
  --md-code-hl-function-color: #c4b5fd;
  --md-code-hl-constant-color: var(--pg-warning);
  --md-code-hl-keyword-color: var(--pg-info);
  --md-code-hl-string-color: var(--pg-accent);
  --md-code-hl-name-color: var(--pg-fg);
  --md-code-hl-operator-color: var(--pg-fg-muted);
  --md-code-hl-punctuation-color: var(--pg-fg-muted);
  --md-code-hl-comment-color: var(--pg-fg-subtle);
  --md-code-hl-generic-color: var(--pg-fg-muted);
  --md-code-hl-variable-color: var(--pg-fg);

  --md-admonition-fg-color: var(--pg-fg);
  --md-admonition-bg-color: var(--pg-surface);

  --md-footer-bg-color: var(--pg-bg);
  --md-footer-bg-color--dark: var(--pg-bg);
  --md-footer-fg-color: var(--pg-fg);
  --md-footer-fg-color--light: var(--pg-fg-muted);
  --md-footer-fg-color--lighter: var(--pg-fg-subtle);

  --md-shadow-z1: 0 1px 0 0 rgb(255 255 255 / 0.03);
  --md-shadow-z2: 0 24px 48px -24px rgb(0 0 0 / 0.8), 0 0 0 1px var(--pg-border);
  --md-shadow-z3: 0 32px 64px -28px rgb(0 0 0 / 0.9), 0 0 0 1px var(--pg-border-strong);

  /* Mermaid (Material's built-in renderer reads these) */
  --md-mermaid-font-family: var(--md-text-font-family), sans-serif;
  --md-mermaid-edge-color: var(--pg-fg-muted);
  --md-mermaid-node-bg-color: var(--pg-surface-2);
  --md-mermaid-node-fg-color: var(--pg-fg);
  --md-mermaid-label-bg-color: var(--pg-bg);
  --md-mermaid-label-fg-color: var(--pg-fg-muted);
  --md-mermaid-sequence-actor-bg-color: var(--pg-surface-2);
  --md-mermaid-sequence-actor-fg-color: var(--pg-fg);
  --md-mermaid-sequence-actor-border-color: var(--pg-border-strong);
  --md-mermaid-sequence-actor-line-color: var(--pg-border-strong);
  --md-mermaid-sequence-actorman-bg-color: var(--pg-surface-2);
  --md-mermaid-sequence-actorman-line-color: var(--pg-border-strong);
  --md-mermaid-sequence-box-bg-color: rgb(49 242 142 / 0.05);
  --md-mermaid-sequence-box-fg-color: var(--pg-fg-muted);
  --md-mermaid-sequence-label-bg-color: var(--pg-accent-deep);
  --md-mermaid-sequence-label-fg-color: var(--pg-accent-ink);
  --md-mermaid-sequence-loop-bg-color: var(--pg-surface);
  --md-mermaid-sequence-loop-border-color: var(--pg-border-strong);
  --md-mermaid-sequence-loop-fg-color: var(--pg-fg-muted);
  --md-mermaid-sequence-message-fg-color: var(--pg-fg);
  --md-mermaid-sequence-message-line-color: var(--pg-fg-muted);
  --md-mermaid-sequence-note-bg-color: var(--pg-surface-2);
  --md-mermaid-sequence-note-border-color: var(--pg-border-strong);
  --md-mermaid-sequence-note-fg-color: var(--pg-fg);
  --md-mermaid-sequence-number-bg-color: var(--pg-accent);
  --md-mermaid-sequence-number-fg-color: var(--pg-accent-ink);
}

/* ---------------------------------------------------------------------------
   Base
--------------------------------------------------------------------------- */
html {
  background: var(--pg-bg);
  scroll-padding-top: 5.5rem;
}
body {
  background: var(--pg-bg);
  color: var(--pg-fg);
  font-feature-settings: "ss01", "cv11", "kern", "liga";
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
::selection {
  background: rgb(49 242 142 / 0.25);
  color: var(--pg-fg);
}
:focus-visible {
  outline: 2px solid var(--pg-accent);
  outline-offset: 3px;
  border-radius: 6px;
}
.md-typeset :focus-visible,
.md-nav :focus-visible,
.md-header :focus-visible,
.md-tabs :focus-visible,
.md-footer :focus-visible {
  outline: 2px solid var(--pg-accent);
  outline-offset: 3px;
}

/* Layout: wider grid so the sidebars breathe; content column capped for reading */
.md-grid {
  max-width: 84rem;
}
.md-content__inner {
  max-width: 46rem;
  margin-top: 1.6rem;
  padding-bottom: 3rem;
}
@media screen and (min-width: 76.25em) {
  .md-content__inner {
    margin-left: 2.4rem;
    margin-right: 2.4rem;
  }
}
.md-content__inner::before {
  height: 0;
}

/* ---------------------------------------------------------------------------
   Announcement bar
--------------------------------------------------------------------------- */
.md-banner {
  background: var(--pg-bg-elevated);
  color: var(--pg-fg-muted);
  border-bottom: 1px solid var(--pg-border);
  font-size: 0.65rem;
  letter-spacing: 0.01em;
}
.md-banner__inner {
  margin: 0 auto;
  padding: 0.45rem 0.8rem;
  text-align: center;
}
/* The banner's inner wrapper is itself .md-typeset, so scope under it to win
   over the generic .md-typeset a rule. Inline (not flex) so text wraps
   naturally on narrow screens. */
.md-typeset .putgo-announce {
  display: inline;
  color: var(--pg-fg-muted);
  text-decoration: none;
  word-break: normal;
  transition: color 0.2s ease;
}
.md-typeset .putgo-announce strong {
  color: var(--pg-fg);
  font-weight: 500;
  white-space: nowrap;
}
.md-typeset .putgo-announce:hover,
.md-typeset .putgo-announce:focus-visible {
  color: var(--pg-fg);
  text-decoration: none;
}
.md-typeset .putgo-announce:hover strong {
  color: var(--pg-accent);
}
.md-typeset .putgo-announce__dot {
  display: inline-block;
  width: 0.35rem;
  height: 0.35rem;
  margin-right: 0.45rem;
  vertical-align: 0.1em;
  border-radius: 999px;
  background: var(--pg-accent);
  box-shadow: 0 0 0 3px rgb(49 242 142 / 0.18);
  animation: putgo-pulse 2.4s ease-in-out infinite;
}
.md-typeset .putgo-announce__arrow {
  display: inline-block;
  margin-left: 0.35rem;
  color: var(--pg-accent);
  transition: transform 0.25s var(--pg-ease);
}
.md-typeset .putgo-announce:hover .putgo-announce__arrow {
  transform: translateX(3px);
}
@keyframes putgo-pulse {
  0%,
  100% {
    opacity: 0.55;
  }
  50% {
    opacity: 1;
  }
}

/* ---------------------------------------------------------------------------
   Header and tabs: translucent black, blur, 1px border
--------------------------------------------------------------------------- */
.md-header {
  background: rgb(5 6 7 / 0.72);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid var(--pg-border);
  color: var(--pg-fg);
  box-shadow: none !important;
  transition: none;
}
.md-header--shadow {
  box-shadow: none;
}
.md-header__inner {
  min-height: 3.2rem;
}
.md-header__button.md-logo {
  padding: 0.4rem;
  margin: 0.2rem 0.2rem 0.2rem 0;
}
.md-header__button.md-logo img,
.md-header__button.md-logo svg {
  height: 1.3rem;
  width: 1.3rem;
  border-radius: 0.35rem;
}
.md-header__title {
  font-weight: 600;
  letter-spacing: -0.01em;
  font-size: 0.85rem;
}
.md-header__topic:first-child {
  font-weight: 600;
}
.md-header__button.md-icon {
  color: var(--pg-fg-muted);
  transition: color 0.2s ease;
}
.md-header__button.md-icon:hover,
.md-header__button.md-icon:focus-visible {
  color: var(--pg-fg);
}

.md-tabs {
  background: rgb(5 6 7 / 0.72);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid var(--pg-border);
  color: var(--pg-fg);
}
.md-tabs__list {
  margin-left: 0.2rem;
}
.md-tabs__item {
  position: relative;
  height: 2.4rem;
  padding: 0 0.7rem;
}
.md-tabs__link {
  margin-top: 0;
  line-height: 2.4rem;
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--pg-fg-muted);
  opacity: 1;
  transition: color 0.2s ease;
}
.md-tabs__link:hover,
.md-tabs__link:focus-visible {
  color: var(--pg-fg);
  opacity: 1;
}
.md-tabs__item--active .md-tabs__link,
.md-tabs__link--active {
  color: var(--pg-fg);
}
.md-tabs__item--active::after {
  content: "";
  position: absolute;
  left: 0.7rem;
  right: 0.7rem;
  bottom: -1px;
  height: 2px;
  border-radius: 2px 2px 0 0;
  background: var(--pg-accent);
}

/* ---------------------------------------------------------------------------
   Search
--------------------------------------------------------------------------- */
.md-search__form {
  background: var(--pg-surface);
  border: 1px solid var(--pg-border);
  border-radius: 999px;
  box-shadow: none;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}
.md-search__form:hover {
  background: var(--pg-surface-2);
  border-color: var(--pg-border-strong);
}
[data-md-toggle="search"]:checked ~ .md-header .md-search__form {
  background: var(--pg-surface);
  border-color: var(--pg-border-strong);
  border-radius: 0.75rem 0.75rem 0 0;
  box-shadow: none;
}
.md-search__input {
  color: var(--pg-fg);
  font-size: 0.75rem;
}
.md-search__input::placeholder,
.md-search__input + .md-search__icon {
  color: var(--pg-fg-muted);
}
.md-search__icon[for="__search"] {
  color: var(--pg-fg-muted);
}
.md-search__output {
  border-radius: 0 0 0.75rem 0.75rem;
  box-shadow: var(--md-shadow-z3);
}
.md-search__scrollwrap {
  background: var(--pg-surface);
  border-top: 1px solid var(--pg-border);
}
.md-search-result__meta {
  background: var(--pg-surface-2);
  color: var(--pg-fg-muted);
  font-family: var(--md-code-font-family);
  font-size: 0.6rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.md-search-result__item {
  border-bottom: 1px solid var(--pg-border);
}
.md-search-result__link:hover,
.md-search-result__link[data-md-state="active"],
.md-search-result__link:focus {
  background: rgb(49 242 142 / 0.06);
}
.md-search-result__article {
  padding-top: 0.5rem;
}
.md-search-result__teaser {
  color: var(--pg-fg-muted);
}
.md-search-result mark {
  color: var(--pg-accent);
  background: transparent;
}
.md-search-result__more summary {
  color: var(--pg-accent);
}
.md-search__overlay {
  background: rgb(5 6 7 / 0.7);
}

/* ---------------------------------------------------------------------------
   Sidebars (primary nav and table of contents)
--------------------------------------------------------------------------- */
.md-sidebar {
  font-size: 0.68rem;
}
.md-nav {
  font-size: 0.68rem;
  line-height: 1.5;
}
.md-nav__title {
  color: var(--pg-fg-subtle);
  font-family: var(--md-code-font-family);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  box-shadow: none;
}
.md-nav__item--section > .md-nav__link,
.md-nav__item--section > .md-nav__container > .md-nav__link {
  color: var(--pg-fg-subtle);
  font-family: var(--md-code-font-family);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}
.md-nav__item--section {
  margin-top: 1.4rem;
}
.md-nav__item--section:first-child {
  margin-top: 0;
}
.md-nav__link {
  color: var(--pg-fg-muted);
  margin-top: 0.45em;
  transition: color 0.2s ease;
}
.md-nav__link:hover,
.md-nav__link:focus-visible {
  color: var(--pg-fg);
}
.md-nav__item .md-nav__link--active,
.md-nav__item .md-nav__link--active code {
  color: var(--pg-accent);
  font-weight: 500;
}
.md-nav--secondary .md-nav__list {
  border-left: 1px solid var(--pg-border);
  padding-left: 0.1rem;
}
.md-nav--secondary .md-nav__link {
  padding-left: 0.6rem;
  margin-left: -0.1rem;
  border-left: 1px solid transparent;
}
.md-nav--secondary .md-nav__link--active {
  border-left-color: var(--pg-accent);
}
.md-nav--secondary .md-nav__link--passed {
  color: var(--pg-fg-subtle);
}
.md-nav--secondary .md-nav__link--passed.md-nav__link--active {
  color: var(--pg-accent);
}
.md-sidebar__scrollwrap {
  scrollbar-color: var(--pg-border-strong) transparent;
}
.md-sidebar__scrollwrap::-webkit-scrollbar-thumb {
  background: var(--pg-border-strong);
}
/* Mobile drawer */
@media screen and (max-width: 76.234375em) {
  .md-nav--primary .md-nav__title {
    background: var(--pg-bg-elevated);
    color: var(--pg-fg);
    border-bottom: 1px solid var(--pg-border);
    font-family: var(--md-text-font-family);
    font-size: 0.8rem;
    letter-spacing: -0.01em;
    text-transform: none;
  }
  .md-nav--primary .md-nav__title[for="__drawer"] {
    background: var(--pg-bg-elevated);
    color: var(--pg-fg);
  }
  .md-nav--primary .md-nav__item {
    border-top: 1px solid var(--pg-border);
  }
  .md-nav--primary .md-nav__link {
    color: var(--pg-fg);
  }
  .md-nav--primary .md-nav__item--section > .md-nav__link {
    text-transform: none;
    letter-spacing: 0;
    font-family: var(--md-text-font-family);
    font-size: 0.7rem;
  }
  .md-sidebar--primary {
    background: var(--pg-bg);
    border-right: 1px solid var(--pg-border);
  }
  .md-overlay {
    background: rgb(5 6 7 / 0.7);
  }
}

/* ---------------------------------------------------------------------------
   Typography
--------------------------------------------------------------------------- */
.md-typeset {
  font-size: 0.85rem;
  line-height: 1.7;
  text-wrap: pretty;
}
.md-typeset h1,
.md-typeset h2,
.md-typeset h3,
.md-typeset h4,
.md-typeset h5,
.md-typeset h6 {
  color: var(--pg-fg);
  font-weight: 600;
  letter-spacing: -0.02em;
  text-wrap: balance;
}
.md-typeset h1 {
  font-size: 2.1em;
  line-height: 1.12;
  margin: 0 0 1.2rem;
}
.md-typeset h2 {
  font-size: 1.45em;
  line-height: 1.25;
  margin: 2.4em 0 0.9em;
  padding-bottom: 0.4em;
  border-bottom: 1px solid var(--pg-border);
}
.md-typeset h3 {
  font-size: 1.15em;
  line-height: 1.3;
  margin: 1.9em 0 0.7em;
}
.md-typeset h4 {
  font-size: 1em;
  margin: 1.5em 0 0.6em;
}
.md-typeset h5,
.md-typeset h6 {
  color: var(--pg-fg-muted);
  font-size: 0.85em;
  letter-spacing: 0.02em;
  text-transform: none;
}
.md-typeset p {
  margin: 0 0 1em;
}
.md-typeset a {
  color: var(--pg-accent);
  text-decoration: underline;
  text-decoration-color: rgb(49 242 142 / 0.35);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  transition: color 0.2s ease, text-decoration-color 0.2s ease;
}
.md-typeset a:hover,
.md-typeset a:focus-visible {
  color: var(--pg-accent-hover);
  text-decoration-color: currentColor;
}
.md-typeset .headerlink {
  color: var(--pg-fg-subtle);
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}
.md-typeset .headerlink:hover,
.md-typeset :target > .headerlink {
  color: var(--pg-accent);
}
.md-typeset strong {
  font-weight: 600;
  color: var(--pg-fg);
}
.md-typeset hr {
  border-bottom: 1px solid var(--pg-border);
  margin: 2.4em 0;
}
.md-typeset blockquote {
  color: var(--pg-fg-muted);
  border-left: 2px solid var(--pg-border-strong);
  padding-left: 1em;
}
.md-typeset ul li,
.md-typeset ol li {
  margin-bottom: 0.35em;
}
.md-typeset ul li::marker {
  color: var(--pg-fg-subtle);
}
.md-typeset ol li::marker {
  color: var(--pg-fg-muted);
  font-variant-numeric: tabular-nums;
}
.md-typeset dl dt {
  font-weight: 600;
  color: var(--pg-fg);
}
.md-typeset dl dd {
  color: var(--pg-fg-muted);
  margin-left: 1.25em;
}
.md-typeset kbd {
  border-radius: 0.3rem;
  box-shadow: 0 1px 0 var(--pg-border-strong);
  font-family: var(--md-code-font-family);
}
.md-typeset abbr {
  text-decoration-color: var(--pg-fg-subtle);
}
.md-typeset .footnote {
  color: var(--pg-fg-muted);
  font-size: 0.75em;
}
.md-typeset .footnote hr {
  margin: 1.5em 0 1em;
}
.md-typeset .footnote-ref,
.md-typeset .footnote-backref {
  text-decoration: none;
}

/* ---------------------------------------------------------------------------
   Tables: thin borders, tabular numerals, mono uppercase header
--------------------------------------------------------------------------- */
.md-typeset__scrollwrap {
  margin: 1.2em -0.8rem;
}
.md-typeset__table {
  padding: 0 0.8rem;
}
.md-typeset table:not([class]) {
  display: table;
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid var(--pg-border);
  border-radius: var(--pg-radius);
  background: var(--pg-surface);
  box-shadow: none;
  font-size: 0.72rem;
  font-variant-numeric: tabular-nums;
  overflow: hidden;
}
.md-typeset table:not([class]) th {
  background: var(--pg-surface-2);
  color: var(--pg-fg-muted);
  font-family: var(--md-code-font-family);
  font-size: 0.58rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--pg-border);
  padding: 0.7em 0.9em;
  vertical-align: bottom;
}
.md-typeset table:not([class]) td {
  border-top: 1px solid var(--pg-border);
  padding: 0.7em 0.9em;
  vertical-align: top;
  color: var(--pg-fg);
}
.md-typeset table:not([class]) tbody tr:first-child td {
  border-top: 0;
}
.md-typeset table:not([class]) tbody tr:hover {
  background: rgb(255 255 255 / 0.02);
  box-shadow: none;
}
.md-typeset table:not([class]) td strong {
  color: var(--pg-fg);
}
.md-typeset table:not([class]) td code,
.md-typeset table:not([class]) th code {
  font-size: 0.9em;
}

/* ---------------------------------------------------------------------------
   Code
--------------------------------------------------------------------------- */
.md-typeset code,
.md-typeset pre {
  font-family: var(--md-code-font-family);
  font-feature-settings: "kern", "liga" 0;
}
.md-typeset code {
  background: var(--pg-surface-2);
  border: 1px solid var(--pg-border);
  border-radius: 0.35rem;
  padding: 0.1em 0.4em;
  font-size: 0.82em;
  color: var(--pg-fg);
  word-break: normal;
}
.md-typeset a code {
  color: var(--pg-accent);
}
.md-typeset pre {
  margin: 1.2em 0;
}
.md-typeset pre > code {
  background: var(--pg-surface);
  border: 1px solid var(--pg-border);
  border-radius: var(--pg-radius);
  padding: 0.9em 1.1em;
  font-size: 0.72rem;
  line-height: 1.65;
  scrollbar-color: var(--pg-border-strong) transparent;
}
.md-typeset .highlight pre > code {
  border-radius: var(--pg-radius);
}
.md-typeset .highlight span.filename {
  background: var(--pg-surface-2);
  border: 1px solid var(--pg-border);
  border-bottom: 0;
  border-radius: var(--pg-radius) var(--pg-radius) 0 0;
  color: var(--pg-fg-muted);
  font-family: var(--md-code-font-family);
  font-size: 0.6rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.md-typeset .highlight span.filename + pre > code {
  border-radius: 0 0 var(--pg-radius) var(--pg-radius);
}
.md-typeset .highlight .hll {
  background: var(--md-code-hl-color);
}
.md-typeset .highlighttable .linenos {
  background: var(--pg-surface-2);
  border: 1px solid var(--pg-border);
  border-right: 0;
  border-radius: var(--pg-radius) 0 0 var(--pg-radius);
  color: var(--pg-fg-subtle);
}
.md-typeset .highlighttable .linenodiv pre {
  background: transparent;
}
.md-typeset .highlighttable .code pre > code {
  border-radius: 0 var(--pg-radius) var(--pg-radius) 0;
}
.md-clipboard {
  color: var(--pg-fg-subtle);
  transition: color 0.2s ease;
}
:hover > .md-clipboard {
  color: var(--pg-fg-muted);
}
.md-clipboard:hover,
.md-clipboard:focus-visible {
  color: var(--pg-accent);
}
.md-typeset .md-code__content {
  background: var(--pg-surface);
}

/* ---------------------------------------------------------------------------
   Admonitions: 1px border, tinted title, accent / warning / danger on dark
--------------------------------------------------------------------------- */
.md-typeset .admonition,
.md-typeset details {
  --pg-adm: var(--pg-accent);
  background: var(--pg-surface);
  border: 1px solid var(--pg-border);
  border-left: 1px solid var(--pg-border);
  border-radius: var(--pg-radius);
  box-shadow: none;
  color: var(--pg-fg);
  font-size: 0.75rem;
  line-height: 1.65;
  margin: 1.4em 0;
  overflow: hidden;
}
.md-typeset .admonition > :last-child,
.md-typeset details > :last-child {
  margin-bottom: 0.8em;
}
.md-typeset .admonition-title,
.md-typeset summary {
  background: color-mix(in srgb, var(--pg-adm) 8%, transparent);
  border-bottom: 1px solid var(--pg-border);
  border-left: 0;
  color: var(--pg-fg);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
  padding-top: 0.55rem;
  padding-bottom: 0.55rem;
}
.md-typeset .admonition-title::before,
.md-typeset summary::before {
  background-color: var(--pg-adm);
}
.md-typeset details > summary::after {
  color: var(--pg-fg-muted);
}
.md-typeset .admonition p,
.md-typeset details p {
  color: var(--pg-fg-muted);
}
.md-typeset .admonition strong,
.md-typeset details strong,
.md-typeset .admonition-title strong,
.md-typeset summary strong {
  color: var(--pg-fg);
}

/* Accent tint */
.md-typeset .admonition.note,
.md-typeset details.note,
.md-typeset .admonition.info,
.md-typeset details.info,
.md-typeset .admonition.tip,
.md-typeset details.tip,
.md-typeset .admonition.hint,
.md-typeset details.hint,
.md-typeset .admonition.important,
.md-typeset details.important,
.md-typeset .admonition.success,
.md-typeset details.success,
.md-typeset .admonition.check,
.md-typeset details.check,
.md-typeset .admonition.done,
.md-typeset details.done,
.md-typeset .admonition.todo,
.md-typeset details.todo {
  --pg-adm: var(--pg-accent);
  border-color: var(--pg-border);
}
/* Warning tint */
.md-typeset .admonition.warning,
.md-typeset details.warning,
.md-typeset .admonition.caution,
.md-typeset details.caution,
.md-typeset .admonition.attention,
.md-typeset details.attention,
.md-typeset .admonition.question,
.md-typeset details.question,
.md-typeset .admonition.help,
.md-typeset details.help,
.md-typeset .admonition.faq,
.md-typeset details.faq {
  --pg-adm: var(--pg-warning);
  border-color: rgb(245 196 81 / 0.28);
}
/* Danger tint */
.md-typeset .admonition.danger,
.md-typeset details.danger,
.md-typeset .admonition.error,
.md-typeset details.error,
.md-typeset .admonition.failure,
.md-typeset details.failure,
.md-typeset .admonition.fail,
.md-typeset details.fail,
.md-typeset .admonition.missing,
.md-typeset details.missing,
.md-typeset .admonition.bug,
.md-typeset details.bug {
  --pg-adm: var(--pg-danger);
  border-color: rgb(255 107 107 / 0.3);
}
/* Neutral */
.md-typeset .admonition.abstract,
.md-typeset details.abstract,
.md-typeset .admonition.summary,
.md-typeset details.summary,
.md-typeset .admonition.tldr,
.md-typeset details.tldr,
.md-typeset .admonition.example,
.md-typeset details.example,
.md-typeset .admonition.quote,
.md-typeset details.quote,
.md-typeset .admonition.cite,
.md-typeset details.cite {
  --pg-adm: var(--pg-fg-muted);
  border-color: var(--pg-border);
}
/* Material's per-type title backgrounds and border colours, neutralised */
.md-typeset .admonition.note > .admonition-title,
.md-typeset .admonition.info > .admonition-title,
.md-typeset .admonition.tip > .admonition-title,
.md-typeset .admonition.success > .admonition-title,
.md-typeset .admonition.warning > .admonition-title,
.md-typeset .admonition.question > .admonition-title,
.md-typeset .admonition.danger > .admonition-title,
.md-typeset .admonition.failure > .admonition-title,
.md-typeset .admonition.bug > .admonition-title,
.md-typeset .admonition.abstract > .admonition-title,
.md-typeset .admonition.example > .admonition-title,
.md-typeset .admonition.quote > .admonition-title,
.md-typeset details.note > summary,
.md-typeset details.info > summary,
.md-typeset details.tip > summary,
.md-typeset details.success > summary,
.md-typeset details.warning > summary,
.md-typeset details.question > summary,
.md-typeset details.danger > summary,
.md-typeset details.failure > summary,
.md-typeset details.bug > summary,
.md-typeset details.abstract > summary,
.md-typeset details.example > summary,
.md-typeset details.quote > summary {
  background-color: color-mix(in srgb, var(--pg-adm) 8%, transparent);
}
.md-typeset .admonition.note:focus-within,
.md-typeset .admonition.warning:focus-within,
.md-typeset .admonition.danger:focus-within,
.md-typeset details:focus-within {
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--pg-adm) 25%, transparent);
}

/* ---------------------------------------------------------------------------
   Content tabs
--------------------------------------------------------------------------- */
.md-typeset .tabbed-set {
  margin: 1.2em 0;
}
.md-typeset .tabbed-labels {
  border-bottom: 1px solid var(--pg-border);
  box-shadow: none;
}
.md-typeset .tabbed-labels > label {
  color: var(--pg-fg-muted);
  font-size: 0.68rem;
  font-weight: 500;
  padding: 0.6em 1.1em 0.7em;
}
.md-typeset .tabbed-labels > label:hover {
  color: var(--pg-fg);
}
.md-typeset .tabbed-set > input:checked + label,
.md-typeset .tabbed-labels > label[aria-selected="true"] {
  color: var(--pg-accent);
}
.md-typeset .tabbed-labels::before {
  background: var(--pg-accent);
  height: 2px;
}
.md-typeset .tabbed-content {
  padding-top: 0.6em;
}
.md-typeset .tabbed-set > input:focus-visible + label {
  outline: 2px solid var(--pg-accent);
  outline-offset: -2px;
  border-radius: 0.35rem;
}

/* ---------------------------------------------------------------------------
   Buttons: pill, accent
--------------------------------------------------------------------------- */
.md-typeset .md-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  background: var(--pg-surface);
  border: 1px solid var(--pg-border-strong);
  border-radius: 999px;
  color: var(--pg-fg);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: -0.005em;
  line-height: 1;
  padding: 0.7em 1.3em;
  text-decoration: none;
  transition: background-color 0.2s ease, border-color 0.2s ease,
    color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}
.md-typeset .md-button:hover,
.md-typeset .md-button:focus-visible {
  background: var(--pg-surface-2);
  border-color: var(--pg-fg-subtle);
  color: var(--pg-fg);
  text-decoration: none;
}
.md-typeset .md-button:active {
  transform: scale(0.98);
}
.md-typeset .md-button--primary {
  background: var(--pg-accent);
  border-color: var(--pg-accent);
  color: var(--pg-accent-ink);
}
.md-typeset .md-button--primary:hover,
.md-typeset .md-button--primary:focus-visible {
  background: var(--pg-accent-hover);
  border-color: var(--pg-accent-hover);
  color: var(--pg-accent-ink);
  box-shadow: 0 0 0 1px rgb(49 242 142 / 0.25),
    0 12px 40px -12px rgb(49 242 142 / 0.35);
}
.md-typeset .md-button .twemoji,
.md-typeset .md-button svg {
  width: 1em;
  height: 1em;
}

/* ---------------------------------------------------------------------------
   Grid cards
--------------------------------------------------------------------------- */
.md-typeset .grid {
  gap: 0.8rem;
  margin: 1.4em 0;
}
.md-typeset .grid.cards > ol > li,
.md-typeset .grid.cards > ul > li,
.md-typeset .grid > .card {
  background: var(--pg-surface);
  background-image: linear-gradient(to bottom, rgb(255 255 255 / 0.03), transparent 40%);
  border: 1px solid var(--pg-border);
  border-radius: var(--pg-radius-lg);
  box-shadow: var(--pg-shadow-card);
  padding: 1rem 1.1rem 0.9rem;
  transition: border-color 0.25s var(--pg-ease), box-shadow 0.25s var(--pg-ease),
    transform 0.25s var(--pg-ease);
}
.md-typeset .grid.cards > ol > li:hover,
.md-typeset .grid.cards > ul > li:hover,
.md-typeset .grid.cards > ol > li:focus-within,
.md-typeset .grid.cards > ul > li:focus-within,
.md-typeset .grid > .card:hover {
  border-color: var(--pg-border-strong);
  box-shadow: var(--pg-shadow-card-hover);
  transform: translateY(-1px);
}
.md-typeset .grid.cards > ol > li > hr,
.md-typeset .grid.cards > ul > li > hr,
.md-typeset .grid > .card > hr {
  border-bottom: 1px solid var(--pg-border);
  margin: 0.7em 0;
}
.md-typeset .grid.cards > ul > li > p:first-child,
.md-typeset .grid.cards > ol > li > p:first-child {
  color: var(--pg-fg);
  font-weight: 600;
  letter-spacing: -0.01em;
}
.md-typeset .grid.cards > ul > li > p:first-child .twemoji,
.md-typeset .grid.cards > ol > li > p:first-child .twemoji {
  color: var(--pg-accent);
  margin-right: 0.35em;
  vertical-align: -0.2em;
}
.md-typeset .grid.cards > ul > li p,
.md-typeset .grid.cards > ol > li p {
  color: var(--pg-fg-muted);
  font-size: 0.75rem;
  line-height: 1.6;
}
.md-typeset .grid.cards > ul > li p:last-child,
.md-typeset .grid.cards > ol > li p:last-child {
  margin-bottom: 0;
}
.md-typeset .grid.cards a {
  color: var(--pg-accent);
  font-weight: 500;
  text-decoration: none;
}
.md-typeset .grid.cards a:hover {
  color: var(--pg-accent-hover);
  text-decoration: underline;
  text-decoration-color: rgb(49 242 142 / 0.4);
}
.md-typeset .grid.cards a .twemoji {
  transition: transform 0.25s var(--pg-ease);
}
.md-typeset .grid.cards a:hover .twemoji {
  transform: translateX(3px);
}

/* ---------------------------------------------------------------------------
   Landing hero
--------------------------------------------------------------------------- */
.md-typeset .putgo-hero {
  position: relative;
  isolation: isolate;
  padding: 2.4rem 0 2.2rem;
  margin: 0 0 2.2rem;
  border-bottom: 1px solid var(--pg-border);
}
.md-typeset .putgo-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: -6rem -8rem auto -8rem;
  height: 26rem;
  pointer-events: none;
  background: radial-gradient(
      ellipse 55% 60% at 18% 30%,
      rgb(49 242 142 / 0.16),
      transparent 70%
    ),
    radial-gradient(
      ellipse 40% 50% at 70% 10%,
      rgb(23 184 102 / 0.08),
      transparent 70%
    );
  filter: blur(24px);
}
.md-typeset .putgo-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: -2rem -8rem auto -8rem;
  height: 20rem;
  pointer-events: none;
  background-image: linear-gradient(to right, rgb(255 255 255 / 0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgb(255 255 255 / 0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 40% 30%, black 20%, transparent 100%);
  mask-image: radial-gradient(ellipse 70% 60% at 40% 30%, black 20%, transparent 100%);
}
.md-typeset .eyebrow,
.md-typeset .putgo-eyebrow,
.md-typeset .putgo-hero .putgo-eyebrow {
  color: var(--pg-accent);
  font-family: var(--md-code-font-family);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin: 0 0 1rem;
}
.md-typeset .putgo-hero h1 {
  font-size: 2.6rem;
  line-height: 1.04;
  letter-spacing: -0.035em;
  margin: 0 0 1rem;
  max-width: 14em;
}
.md-typeset .putgo-hero h1 .headerlink {
  display: none;
}
.md-typeset .putgo-hero > p,
.md-typeset .putgo-lead {
  color: var(--pg-fg-muted);
  font-size: 1rem;
  line-height: 1.6;
  max-width: 32em;
  margin: 0 0 1.6rem;
}
.md-typeset .putgo-hero > p:last-child,
.md-typeset .putgo-hero .putgo-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 0;
}
.md-typeset .putgo-hero .md-button {
  font-size: 0.78rem;
  padding: 0.8em 1.5em;
  margin: 0;
}
@media screen and (max-width: 44.984375em) {
  .md-typeset .putgo-hero {
    padding-top: 1.4rem;
  }
  .md-typeset .putgo-hero h1 {
    font-size: 2rem;
  }
  .md-typeset .putgo-hero > p,
  .md-typeset .putgo-lead {
    font-size: 0.9rem;
  }
}

/* Landing page (main.html wraps the homepage content in .putgo-home): the
   same glow as .putgo-hero behind the title, no extra markup required. */
.putgo-home {
  position: relative;
  isolation: isolate;
}
.putgo-home::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: -8rem -8rem auto -8rem;
  height: 30rem;
  pointer-events: none;
  background: radial-gradient(
      ellipse 55% 55% at 18% 25%,
      rgb(49 242 142 / 0.14),
      transparent 70%
    ),
    radial-gradient(
      ellipse 40% 45% at 70% 8%,
      rgb(23 184 102 / 0.07),
      transparent 70%
    );
  filter: blur(24px);
}
.putgo-home .md-typeset h1 {
  font-size: 2.6rem;
  line-height: 1.04;
  letter-spacing: -0.035em;
}
.putgo-home .md-typeset h1 + p > strong:only-child {
  display: block;
  color: var(--pg-fg);
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.4;
  max-width: 28em;
  margin-bottom: 0.4rem;
}
.putgo-home .md-typeset h1 + p + p {
  color: var(--pg-fg-muted);
  font-size: 0.9rem;
  max-width: 40em;
}
@media screen and (max-width: 44.984375em) {
  .putgo-home .md-typeset h1 {
    font-size: 2rem;
  }
}

/* ---------------------------------------------------------------------------
   Diagrams and maths
--------------------------------------------------------------------------- */
.md-typeset .mermaid {
  margin: 1.4em 0;
  text-align: center;
}
.md-typeset .mermaid svg {
  max-width: 100%;
  height: auto;
}
mjx-container {
  color: var(--pg-fg);
}
mjx-container[display="true"] {
  display: block;
  margin: 1.2em 0;
  padding: 0.8em 0;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-color: var(--pg-border-strong) transparent;
}
.md-typeset .arithmatex {
  font-size: 1em;
}

/* ---------------------------------------------------------------------------
   Footer and copyright
--------------------------------------------------------------------------- */
.md-footer {
  background: var(--pg-bg);
  border-top: 1px solid var(--pg-border);
  color: var(--pg-fg-muted);
}
.md-footer__inner {
  padding: 0.6rem 0.2rem;
}
.md-footer__link {
  color: var(--pg-fg-muted);
  opacity: 1;
  transition: color 0.2s ease;
}
.md-footer__link:hover,
.md-footer__link:focus-visible {
  color: var(--pg-fg);
  opacity: 1;
}
.md-footer__direction {
  color: var(--pg-fg-subtle);
  font-family: var(--md-code-font-family);
  font-size: 0.55rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 1;
}
.md-footer__title {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.md-footer__button {
  color: var(--pg-fg-subtle);
}
.md-footer__link:hover .md-footer__button {
  color: var(--pg-accent);
}
.md-footer-meta {
  background: var(--pg-bg);
  border-top: 1px solid var(--pg-border);
}
.md-footer-meta__inner {
  padding: 0.6rem 0.2rem 1.2rem;
}
.md-copyright {
  color: var(--pg-fg-subtle);
  font-family: var(--md-code-font-family);
  font-size: 0.58rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.md-copyright__highlight {
  color: var(--pg-fg-subtle);
}
.md-social__link {
  color: var(--pg-fg-muted);
  transition: color 0.2s ease;
}
.md-social__link:hover,
.md-social__link:focus-visible {
  color: var(--pg-accent);
}
.md-social__link svg {
  fill: currentcolor;
  max-height: 0.9rem;
}

/* Back-to-top */
.md-top {
  background: var(--pg-surface);
  border: 1px solid var(--pg-border-strong);
  border-radius: 999px;
  box-shadow: 0 24px 48px -24px rgb(0 0 0 / 0.8);
  color: var(--pg-fg);
  font-size: 0.68rem;
  font-weight: 500;
}
.md-top:hover,
.md-top:focus-visible {
  background: var(--pg-surface-2);
  border-color: var(--pg-fg-subtle);
  color: var(--pg-fg);
}

/* Progress indicator on instant navigation */
.md-progress {
  background: var(--pg-accent);
}

/* ---------------------------------------------------------------------------
   Reduced motion
--------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .putgo-announce__dot {
    animation: none;
  }
  .md-typeset .grid.cards > ul > li:hover,
  .md-typeset .grid.cards > ol > li:hover,
  .md-typeset .grid > .card:hover {
    transform: none;
  }
}