/* --- Google Fonts import (Roboto + Roboto Mono) --- */
@import url('https://fonts.googleapis.com/css?family=Roboto:300,400,500,700|Roboto+Mono:400,500');



/* ===== Reset ===== */
html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, details, figcaption, figure,
footer, header, main, menu, nav, section, summary {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
}

/* Box-sizing — CSS2 compatible via vendor prefixes baked in at build,
   but we keep it simple: just set it on common containers */
html {
  font-size: 16px;
  line-height: 1.5;
  color: #212121;
  background: #FAFAFA;
  font-family: 'Roboto', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
}

*, *:before, *:after {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

a {
  color: #3F51B5;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
}

ul, ol {
  list-style: none;
}


/* ===== Navbar ===== */
.pw-navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 56px;
  background: #3F51B5;
  color: #FFFFFF;
  z-index: 900;
  -webkit-box-shadow: 0 3px 6px rgba(0,0,0,0.16), 0 3px 6px rgba(0,0,0,0.23);
  -moz-box-shadow: 0 3px 6px rgba(0,0,0,0.16), 0 3px 6px rgba(0,0,0,0.23);
  box-shadow: 0 3px 6px rgba(0,0,0,0.16), 0 3px 6px rgba(0,0,0,0.23);
}

.pw-navbar-inner {
  height: 100%;
  padding: 0 16px;
  /* clearfix */
  overflow: hidden;
}

/* --- Hamburger button (mobile sidebar toggle) --- */
.pw-navbar-menu-btn {
  float: left;
  background: none;
  border: none;
  color: #FFFFFF;
  font-size: 24px;
  line-height: 56px;
  cursor: pointer;
  padding: 0 12px 0 0;
  display: none; /* shown on mobile via responsive.css */
}

.pw-navbar-menu-btn:hover {
  opacity: 0.8;
}

/* --- Right sidebar toggle (mobile) --- */
.pw-navbar-toc-btn {
  float: right;
  background: none;
  border: none;
  color: #FFFFFF;
  font-size: 24px;
  line-height: 56px;
  cursor: pointer;
  padding: 0 0 0 12px;
  display: none; /* shown on mobile via responsive.css */
}

.pw-navbar-toc-btn:hover {
  opacity: 0.8;
}

/* --- Brand / title --- */
.pw-navbar-brand {
  float: left;
  font-size: 20px;
  font-weight: 500;
  line-height: 56px;
  color: #FFFFFF;
  text-decoration: none;
  padding-right: 24px;
  white-space: nowrap;
}

.pw-navbar-brand:hover {
  text-decoration: none;
  opacity: 0.9;
}

/* --- Navbar search --- */
.pw-navbar-search {
  overflow: hidden; /* takes remaining space */
  padding: 10px 0;
}

.pw-navbar-search-input {
  width: 100%;
  max-width: 480px;
  height: 36px;
  padding: 0 12px;
  border: none;
  border-radius: 2px;
  background: rgba(255,255,255,0.15);
  color: #FFFFFF;
  font-family: 'Roboto', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 14px;
  outline: none;
}

.pw-navbar-search-input:focus {
  background: rgba(255,255,255,0.25);
}

/* Placeholder color — uses vendor prefixes for broad compat */
.pw-navbar-search-input::-webkit-input-placeholder { color: rgba(255,255,255,0.7); }
.pw-navbar-search-input:-moz-placeholder           { color: rgba(255,255,255,0.7); }
.pw-navbar-search-input::-moz-placeholder           { color: rgba(255,255,255,0.7); }
.pw-navbar-search-input:-ms-input-placeholder       { color: rgba(255,255,255,0.7); }


/* ===== Shared sidebar base ===== */
.pw-sidebar {
  position: fixed;
  top: 56px;
  bottom: 0;
  width: 280px;
  background: #FFFFFF;
  overflow-y: auto;
  overflow-x: hidden;
  z-index: 800;
  border-right: 1px solid #BDBDBD;
}

.pw-sidebar-inner {
  padding: 16px 0;
}

/* --- Left sidebar (global doc TOC) --- */
.pw-sidebar-left {
  left: 0;
  border-right: 1px solid #BDBDBD;
  border-left: none;
}

/* --- Right sidebar (on-page TOC) --- */
.pw-sidebar-right {
  right: 0;
  border-right: none;
  border-left: 1px solid #BDBDBD;
}

/* ===== Tree-structured TOC ===== */
.pw-toc-tree {
  list-style: none;
  margin: 0;
  padding: 0;
}

.pw-toc-tree .pw-toc-tree {
  padding-left: 16px;
}

.pw-toc-item {
  margin: 0;
  padding: 0;
}

/* Toggle button for collapsible sections */
.pw-toc-toggle {
  display: block;
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  padding: 8px 16px;
  font-family: 'Roboto', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 14px;
  color: #212121;
  cursor: pointer;
  font-weight: 500;
  line-height: 1.4;
}

.pw-toc-toggle:hover {
  background: #C5CAE9;
}

/* Arrow indicator for collapsible items */
.pw-toc-arrow {
  display: inline-block;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 4px 0 4px 6px;
  border-color: transparent transparent transparent #757575;
  margin-right: 8px;
  vertical-align: middle;
  /* transition not in CSS2, but harmless progressive enhancement */
}

.pw-toc-item.is-expanded > .pw-toc-toggle .pw-toc-arrow {
  border-width: 6px 4px 0 4px;
  border-color: #757575 transparent transparent transparent;
}

/* Collapsed children are hidden */
.pw-toc-item .pw-toc-children {
  display: none;
}

.pw-toc-item.is-expanded > .pw-toc-children {
  display: block;
}

/* Leaf link (no children) */
.pw-toc-link {
  display: block;
  padding: 8px 16px 8px 30px;
  font-size: 14px;
  color: #757575;
  text-decoration: none;
  line-height: 1.4;
}

.pw-toc-link:hover {
  background: #C5CAE9;
  color: #212121;
  text-decoration: none;
}

.pw-toc-link.is-active {
  color: #3F51B5;
  font-weight: 500;
  border-right: 3px solid #3F51B5;
}

/* Right sidebar active link uses left border instead */
.pw-sidebar-right .pw-toc-link.is-active {
  border-right: none;
  border-left: 3px solid #3F51B5;
}

/* --- Sidebar title/header --- */
.pw-sidebar-title {
  padding: 8px 16px 12px;
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #BDBDBD;
}

/* ===== Overlay for mobile ===== */
.pw-sidebar-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.5);
  z-index: 799;
}

.pw-sidebar-overlay.is-visible {
  display: block;
}


/* ===== Hero section ===== */
.pw-hero {
  background: #3F51B5;
  color: #FFFFFF;
  padding-top: 56px; /* push below fixed navbar */
  /* Respect sidebar widths so content is centered in the content area */
  margin-left: 280px;
  margin-right: 280px;
  text-align: center;
}

/* When right sidebar is hidden, hero should not reserve space for it */
body.no-right-sidebar .pw-hero {
  margin-right: 0;
}

.pw-hero-inner {
  padding: 48px 24px 80px;
  max-width: 960px;
  margin: 0 auto;
}

.pw-hero-title {
  font-size: 32px;
  font-weight: 400;
  margin: 0 0 8px;
  line-height: 1.3;
}

.pw-hero-subtitle {
  font-size: 16px;
  font-weight: 300;
  opacity: 0.85;
  margin: 0 0 32px;
}

/* ===== Hero search bar — sits across the color boundary ===== */
.pw-hero-search-wrap {
  position: relative;
  max-width: 640px;
  margin: 0 auto;
  /* Pull the search bar down so it's half in hero, half in content area */
  top: 40px;
  margin-bottom: -20px;
}

.pw-hero-search {
  width: 100%;
  height: 52px;
  padding: 0 20px;
  border: none;
  border-radius: 2px;
  font-family: 'Roboto', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 16px;
  color: #212121;
  background: #FFFFFF;
  -webkit-box-shadow: 0 10px 20px rgba(0,0,0,0.19), 0 6px 6px rgba(0,0,0,0.23);
  -moz-box-shadow: 0 10px 20px rgba(0,0,0,0.19), 0 6px 6px rgba(0,0,0,0.23);
  box-shadow: 0 10px 20px rgba(0,0,0,0.19), 0 6px 6px rgba(0,0,0,0.23);
  outline: none;
}

.pw-hero-search:focus {
  -webkit-box-shadow: 0 14px 28px rgba(0,0,0,0.25), 0 10px 10px rgba(0,0,0,0.22);
  -moz-box-shadow: 0 14px 28px rgba(0,0,0,0.25), 0 10px 10px rgba(0,0,0,0.22);
  box-shadow: 0 14px 28px rgba(0,0,0,0.25), 0 10px 10px rgba(0,0,0,0.22);
}

.pw-hero-search::-webkit-input-placeholder { color: #BDBDBD; }
.pw-hero-search:-moz-placeholder           { color: #BDBDBD; }
.pw-hero-search::-moz-placeholder           { color: #BDBDBD; }
.pw-hero-search:-ms-input-placeholder       { color: #BDBDBD; }

/* ===== Tag badges in hero ===== */
.pw-hero-tags {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.pw-hero-tags li {
  display: inline;
}

.pw-hero-tag {
  display: inline-block;
  padding: 4px 12px;
  margin: 4px;
  font-size: 12px;
  font-weight: 500;
  color: #FFFFFF;
  background: rgba(255,255,255,0.2);
  border-radius: 12px;
  text-decoration: none;
}

.pw-hero-tag:hover {
  background: rgba(255,255,255,0.35);
  text-decoration: none;
}


/* ===== Page layout wrapper ===== */
.pw-page {
  padding-top: 56px;
  min-height: 100vh;
}

/* When hero is present, no extra top-padding needed */
.pw-page.has-hero {
  padding-top: 0;
}

/* ===== Main content area ===== */
/*
  Float-based 3-column layout:
  - Left sidebar:  fixed 280px
  - Right sidebar: fixed 280px
  - Center:        fluid, takes remainder
*/
.pw-content-area {
  margin-left: 280px;
  margin-right: 280px;
  padding: 40px 24px 80px;
}

/* ===== Content card (Material paper) ===== */
.pw-card {
  max-width: 960px;
  margin: 0 auto;
  background: #FFFFFF;
  border-radius: 2px;
  -webkit-box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
  -moz-box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
  box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
  padding: 40px 48px;
}

/* ===== Typography inside card ===== */
.pw-card h1 {
  font-size: 34px;
  font-weight: 400;
  color: #212121;
  margin: 0 0 16px;
  line-height: 1.2;
}

.pw-card h2 {
  font-size: 24px;
  font-weight: 400;
  color: #212121;
  margin: 32px 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid #BDBDBD;
  line-height: 1.3;
}

.pw-card h3 {
  font-size: 20px;
  font-weight: 500;
  color: #212121;
  margin: 28px 0 8px;
  line-height: 1.3;
}

.pw-card h4 {
  font-size: 16px;
  font-weight: 500;
  color: #212121;
  margin: 24px 0 8px;
  line-height: 1.4;
}

.pw-card h5,
.pw-card h6 {
  font-size: 14px;
  font-weight: 500;
  color: #757575;
  margin: 20px 0 8px;
  line-height: 1.4;
}

.pw-card p {
  font-size: 16px;
  line-height: 1.7;
  color: #212121;
  margin: 0 0 16px;
}

.pw-card ul,
.pw-card ol {
  margin: 0 0 16px 24px;
}

.pw-card ul {
  list-style: disc;
}

.pw-card ol {
  list-style: decimal;
}

.pw-card li {
  font-size: 16px;
  line-height: 1.7;
  margin-bottom: 4px;
}

.pw-card li > ul,
.pw-card li > ol {
  margin-top: 4px;
  margin-bottom: 4px;
}

.pw-card strong {
  font-weight: 700;
}

.pw-card em {
  font-style: italic;
}

.pw-card hr {
  border: none;
  border-top: 1px solid #BDBDBD;
  margin: 24px 0;
}

.pw-card a {
  color: #3F51B5;
  text-decoration: none;
}

.pw-card a:hover {
  text-decoration: underline;
}

/* ===== Tag badges (inline) ===== */
.pw-badge,
a.pw-badge,
.pw-card a.pw-badge,
.pw-meta a.pw-badge {
  display: inline-block;
  padding: 2px 10px;
  font-size: 12px;
  font-weight: 500;
  color: #FFFFFF;
  background: #3F51B5;
  border-radius: 12px;
  vertical-align: middle;
  margin: 2px 4px 2px 0;
  text-decoration: none;
}

.pw-badge:hover,
a.pw-badge:hover,
.pw-card a.pw-badge:hover,
.pw-meta a.pw-badge:hover {
  background: #303F9F;
  color: #FFFFFF;
  text-decoration: none;
}

/* Secondary/outline badges */
.pw-badge-outline,
a.pw-badge-outline,
.pw-card a.pw-badge-outline,
.pw-meta a.pw-badge-outline {
  background: transparent;
  color: #3F51B5;
  border: 1px solid #3F51B5;
}

.pw-badge-outline:hover,
a.pw-badge-outline:hover,
.pw-card a.pw-badge-outline:hover,
.pw-meta a.pw-badge-outline:hover {
  background: #C5CAE9;
  color: #3F51B5;
}

/* ===== Page meta (date, tags row) ===== */
.pw-meta {
  margin: 0 0 24px;
  font-size: 14px;
  color: #757575;
}

.pw-meta-date {
  display: inline-block;
  margin-right: 16px;
}

/* ===== No right sidebar variant ===== */
/*
  Pages that set page_class to "no-right-sidebar" get the right sidebar
  hidden and the content area takes the freed space.
*/
.pw-page.no-right-sidebar ~ .pw-sidebar-right,
.no-right-sidebar .pw-sidebar-right {
  display: none;
}

body.no-right-sidebar .pw-content-area,
.pw-page.no-right-sidebar .pw-content-area {
  margin-right: 0;
}

/*
  When the body has the class, also hide the TOC toggle button in navbar
  since there's no right sidebar to toggle.
*/
body.no-right-sidebar .pw-navbar-toc-btn {
  display: none;
}

/* ===== No left sidebar variant ===== */
body.no-left-sidebar .pw-content-area,
.pw-page.no-left-sidebar .pw-content-area {
  margin-left: 0;
}

body.no-left-sidebar .pw-sidebar-left {
  display: none;
}

body.no-left-sidebar .pw-navbar-menu-btn {
  display: none;
}

/* ===== Card grid (float-based responsive) ===== */
.pw-card-grid {
  margin: 0 -12px;
  /* clearfix */
  overflow: hidden;
}

.pw-card-grid:after {
  content: "";
  display: table;
  clear: both;
}

.pw-grid-item {
  float: left;
  width: 50%;
  padding: 12px;
}

.pw-grid-card {
  background: #FFFFFF;
  border-radius: 2px;
  -webkit-box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
  -moz-box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
  box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
  padding: 24px;
  height: 100%;
  display: block;
  color: #212121;
  text-decoration: none;
}

.pw-grid-card:hover {
  -webkit-box-shadow: 0 10px 20px rgba(0,0,0,0.19), 0 6px 6px rgba(0,0,0,0.23);
  -moz-box-shadow: 0 10px 20px rgba(0,0,0,0.19), 0 6px 6px rgba(0,0,0,0.23);
  box-shadow: 0 10px 20px rgba(0,0,0,0.19), 0 6px 6px rgba(0,0,0,0.23);
  text-decoration: none;
}

.pw-grid-card-title {
  font-size: 20px;
  font-weight: 500;
  color: #212121;
  margin: 0 0 8px;
  line-height: 1.3;
}

.pw-grid-card-desc {
  font-size: 14px;
  color: #757575;
  line-height: 1.5;
  margin: 0 0 12px;
}

.pw-grid-card .pw-badge {
  font-size: 11px;
}

/* Section label above a card group */
.pw-section-label {
  font-size: 14px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #757575;
  margin: 32px 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid #BDBDBD;
}

.pw-section-label:first-child {
  margin-top: 0;
}

/* ===== Footer ===== */
.pw-footer {
  margin-left: 280px;
  margin-right: 280px;
  padding: 24px;
  text-align: center;
  font-size: 13px;
  color: #BDBDBD;
  border-top: 1px solid #BDBDBD;
}

body.no-right-sidebar .pw-footer {
  margin-right: 0;
}


/* ============================================================
   BLOCKQUOTES
   ============================================================ */
.pw-card blockquote {
  margin: 0 0 16px;
  padding: 12px 16px;
  border-left: 4px solid #BDBDBD;
  background: #F5F5F5;
  color: #757575;
  font-style: italic;
}

.pw-card blockquote p {
  margin: 0 0 8px;
  color: inherit;
}

.pw-card blockquote p:last-child {
  margin-bottom: 0;
}

/* ============================================================
   ADMONITIONS  (Obsidian-style callouts rendered by markdown-it)
   Markup: <div class="callout" data-callout="note">
             <div class="callout-title">...</div>
             <div class="callout-content">...</div>
           </div>
   ============================================================ */
.pw-card .callout {
  margin: 0 0 16px;
  border-left: 4px solid #00BCD4;
  border-radius: 2px;
  background: #E1F5FE;
  overflow: hidden;
}

.pw-card .callout-title {
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 500;
  color: #212121;
}

.pw-card .callout-content {
  padding: 0 16px 12px;
  font-size: 14px;
  line-height: 1.6;
}

.pw-card .callout-content p {
  margin: 0 0 8px;
}

.pw-card .callout-content p:last-child {
  margin-bottom: 0;
}

/* --- Callout type variants --- */
/* Note / Info (default) */
.pw-card .callout[data-callout="note"],
.pw-card .callout[data-callout="info"] {
  border-left-color: #00BCD4;
  background: #E1F5FE;
}

/* Tip / Success */
.pw-card .callout[data-callout="tip"],
.pw-card .callout[data-callout="success"] {
  border-left-color: #4CAF50;
  background: #E8F5E9;
}

/* Warning / Caution */
.pw-card .callout[data-callout="warning"],
.pw-card .callout[data-callout="caution"] {
  border-left-color: #FF9800;
  background: #FFF3E0;
}

/* Danger / Error / Bug */
.pw-card .callout[data-callout="danger"],
.pw-card .callout[data-callout="error"],
.pw-card .callout[data-callout="bug"] {
  border-left-color: #F44336;
  background: #FFEBEE;
}

/* Abstract / Summary / TLDR */
.pw-card .callout[data-callout="abstract"],
.pw-card .callout[data-callout="summary"],
.pw-card .callout[data-callout="tldr"] {
  border-left-color: #2196F3;
  background: #E3F2FD;
}

/* Example */
.pw-card .callout[data-callout="example"] {
  border-left-color: #9C27B0;
  background: #F3E5F5;
}

/* Quote / Cite */
.pw-card .callout[data-callout="quote"],
.pw-card .callout[data-callout="cite"] {
  border-left-color: #BDBDBD;
  background: #F5F5F5;
}

/* ============================================================
   SPOILERS / DETAILS
   Uses <details>/<summary> elements styled as Material card
   ============================================================ */
.pw-card details {
  margin: 0 0 16px;
  border: 1px solid #BDBDBD;
  border-radius: 2px;
  overflow: hidden;
}

.pw-card details summary {
  padding: 12px 16px;
  font-weight: 500;
  cursor: pointer;
  background: #FAFAFA;
  color: #212121;
  font-size: 14px;
  list-style: none;
}

.pw-card details summary::-webkit-details-marker {
  display: none;
}

.pw-card details summary:before {
  content: "\25B6\00a0"; /* right-pointing triangle */
  font-size: 10px;
  color: #757575;
}

.pw-card details[open] summary:before {
  content: "\25BC\00a0"; /* down-pointing triangle */
}

.pw-card details[open] summary {
  border-bottom: 1px solid #BDBDBD;
}

.pw-card details > *:not(summary) {
  padding: 0 16px;
}

.pw-card details > p:first-of-type {
  margin-top: 12px;
}

/* ============================================================
   INLINE CODE & CODE BLOCKS
   ============================================================ */

/* Inline code */
.pw-card code {
  font-family: 'Roboto Mono', 'Courier New', Courier, monospace;
  font-size: 0.875em;
  background: #F5F5F5;
  padding: 2px 6px;
  border-radius: 2px;
  color: #C62828;
}

/* Fenced code blocks */
.pw-card pre {
  margin: 0 0 16px;
  padding: 16px;
  background: #263238;
  color: #ECEFF1;
  border-radius: 2px;
  overflow-x: auto;     /* horizontal scroll for wide code */
  -webkit-overflow-scrolling: touch;
  font-size: 14px;
  line-height: 1.5;
}

.pw-card pre code {
  background: none;
  color: inherit;
  padding: 0;
  border-radius: 0;
  font-size: inherit;
  white-space: pre;
}

/* ============================================================
   TABLES
   ============================================================ */

/* Wrapper allows horizontal scrolling for wide tables */
.pw-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 0 0 16px;
}

.pw-card table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  margin: 0 0 16px;
  min-width: 100%;
}

.pw-card thead th {
  background: #F5F5F5;
  font-weight: 500;
  text-align: left;
  padding: 12px 16px;
  border-bottom: 2px solid #BDBDBD;
  color: #212121;
  white-space: nowrap;
}

.pw-card tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid #EEEEEE;
  color: #212121;
  vertical-align: top;
}

.pw-card tbody tr:hover {
  background: #FAFAFA;
}

/* ============================================================
   MATH BLOCKS (rendered as SVG/PNG images)
   ============================================================ */

/* Block-level math — centered with some margin */
.pw-math-block {
  text-align: center;
  margin: 24px 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.pw-math-block img,
.pw-math-block svg {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

/* Inline math */
.pw-math-inline {
  display: inline;
  vertical-align: middle;
}

.pw-math-inline img,
.pw-math-inline svg {
  height: 1.2em;
  vertical-align: middle;
}

/* ============================================================
   FOOTNOTES
   ============================================================ */
.pw-card .footnotes {
  margin-top: 32px;
  padding-top: 16px;
  border-top: 1px solid #BDBDBD;
  font-size: 13px;
  color: #757575;
}

.pw-card .footnotes ol {
  list-style: decimal;
  margin-left: 20px;
}

.pw-card .footnotes li {
  margin-bottom: 4px;
  font-size: 13px;
}

/* ============================================================
   TASK LISTS (checkboxes from markdown)
   ============================================================ */
.pw-card .task-list {
  list-style: none;
  margin-left: 0;
  padding-left: 0;
}

.pw-card .task-list li {
  padding-left: 24px;
  position: relative;
}

.pw-card .task-list input[type="checkbox"] {
  position: absolute;
  left: 0;
  top: 6px;
}

/* ============================================================
   IMAGES (inside content)
   ============================================================ */
.pw-card img {
  max-width: 100%;
  height: auto;
  border-radius: 2px;
  margin: 8px 0;
}

/* ============================================================
   VIDEO, AUDIO, IFRAME (embedded media)
   ============================================================ */
.pw-card video {
  max-width: 100%;
  height: auto;
  border-radius: 2px;
  margin: 8px 0;
  display: block;
}

.pw-card audio {
  max-width: 100%;
  margin: 8px 0;
  display: block;
}

.pw-card iframe {
  max-width: 100%;
  border: none;
  border-radius: 2px;
  margin: 8px 0;
  display: block;
}


/*
  Breakpoints:
    - Desktop: > 1200px  — both sidebars visible
    - Tablet:  769-1200px — only left sidebar visible, right sidebar hidden
    - Mobile:  <= 768px   — both sidebars hidden, hamburger menu appears
*/

/* ===== Tablet: hide right sidebar ===== */
@media screen and (max-width: 1200px) {
  .pw-sidebar-right {
    display: none;
  }

  .pw-sidebar-right.is-open {
    display: block;
    z-index: 810;
  }

  .pw-content-area {
    margin-right: 0;
  }

  .pw-hero {
    margin-right: 0;
  }

  .pw-footer {
    margin-right: 0;
  }

  /* Show the on-page TOC toggle button */
  .pw-navbar-toc-btn {
    display: block;
  }
}

/* ===== Mobile: hide both sidebars ===== */
@media screen and (max-width: 768px) {
  .pw-sidebar-left {
    display: none;
  }

  .pw-sidebar-left.is-open {
    display: block;
    z-index: 810;
  }

  .pw-sidebar-right {
    display: none;
  }

  .pw-sidebar-right.is-open {
    display: block;
    z-index: 810;
  }

  .pw-content-area {
    margin-left: 0;
    margin-right: 0;
    padding: 24px 16px 60px;
  }

  .pw-hero {
    margin-left: 0;
    margin-right: 0;
  }

  .pw-footer {
    margin-left: 0;
    margin-right: 0;
  }

  /* Show hamburger buttons */
  .pw-navbar-menu-btn {
    display: block;
  }

  .pw-navbar-toc-btn {
    display: block;
  }

  /* Adjust card padding for mobile */
  .pw-card {
    padding: 24px 20px;
  }

  .pw-card h1 {
    font-size: 26px;
  }

  .pw-card h2 {
    font-size: 20px;
  }

  /* Hero adjustments */
  .pw-hero-inner {
    padding: 32px 16px 64px;
  }

  .pw-hero-title {
    font-size: 24px;
  }

  .pw-hero-search {
    height: 44px;
    font-size: 14px;
  }

  /* Navbar brand may be too long on small screens */
  .pw-navbar-brand {
    max-width: 140px;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  /* Card grid goes single-column on mobile */
  .pw-grid-item {
    float: none;
    width: 100%;
  }
}