/* ==========================================================================
   Dask Blog Stylesheet
   Adapted from dask.org reference CSS for blog.dask.org
   ========================================================================== */

/* Modern CSS Reset */
*, *::before, *::after {
  box-sizing: border-box;
}

* {
  margin: 0;
  padding: 0;
}

html {
  height: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100%;
  -webkit-font-smoothing: antialiased;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}

input, button, textarea, select {
  font: inherit;
  color: inherit;
}

p, h1, h2, h3, h4, h5, h6 {
  overflow-wrap: break-word;
}

/* ==========================================================================
   CSS Custom Properties — Brand constants
   ========================================================================== */

:root {
  --yellow: #ffc11e;
  --salmon: #fc6e6b;
  --red: #ef1561;
  --green: #61ba92;
  --blue: #1f5aff;
  --navy: #183d72;
  --charcoal: #262326;
  --dark-slate-grey: #33363d;
  --thunder: #353235;

  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --max-width: 1200px;
  --content-width: 780px;
}

/* ==========================================================================
   Light theme (default)
   ========================================================================== */

html[data-theme="light"] {
  color-scheme: light;

  --color-background: #ffffff;
  --color-text: #080815;
  --color-text-secondary: #666666;
  --color-text-muted: #888888;
  --color-border: #ebeaee;
  --color-surface: #f6f6f6;
  --color-inline-code-bg: #f6f6f6;
  --color-inline-code-text: #080815;
  --color-table-header-bg: #f6f6f6;
  --color-table-hover-bg: #f6f6f6;
  --color-tag-bg: #f6f6f6;
  --color-tag-text: #080815;
  --color-blockquote-bg: #f6f6f6;
  --color-blockquote-text: #555555;
  --color-link: #080815;
  --color-code-bg: #1e1e2e;
  --color-code-text: #cdd6f4;
}

/* ==========================================================================
   Dark theme
   ========================================================================== */

html[data-theme="dark"] {
  color-scheme: dark;

  --color-background: #14181e;
  --color-text: #d4d4d8;
  --color-text-secondary: #a1a1aa;
  --color-text-muted: #71717a;
  --color-border: #2e2e38;
  --color-surface: #1e1e28;
  --color-inline-code-bg: #27272f;
  --color-inline-code-text: #d4d4d8;
  --color-table-header-bg: #1e1e28;
  --color-table-hover-bg: #22222c;
  --color-tag-bg: #27272f;
  --color-tag-text: #d4d4d8;
  --color-blockquote-bg: #1e1e28;
  --color-blockquote-text: #a1a1aa;
  --color-link: #d4d4d8;
  --color-code-bg: #0d0d14;
  --color-code-text: #cdd6f4;
}

/* ==========================================================================
   Base Typography
   ========================================================================== */

body {
  color: var(--color-text);
  font-family: var(--font-family);
  font-size: 1rem;
  line-height: 1.6;
  background-color: var(--color-background);
  transition: background-color 0.2s ease, color 0.2s ease;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--color-text);
}

h1 {
  font-family: var(--font-family);
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.15;
  margin-top: 0;
  margin-bottom: 0.5rem;
}

h2 {
  font-family: var(--font-family);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.2;
  margin-top: 2rem;
  margin-bottom: 0.5rem;
}

h3 {
  font-family: var(--font-family);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.3;
  margin-top: 1.75rem;
  margin-bottom: 0.5rem;
}

h4 {
  font-family: var(--font-family);
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.4;
  margin-top: 1.5rem;
  margin-bottom: 0.25rem;
}

h5 {
  font-family: var(--font-family);
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.5;
  margin-top: 1.25rem;
  margin-bottom: 0.25rem;
}

h6 {
  font-family: var(--font-family);
  font-size: 0.875rem;
  font-weight: 700;
  line-height: 1.5;
  margin-top: 1rem;
  margin-bottom: 0.25rem;
}

p {
  margin-bottom: 1.25rem;
  font-family: var(--font-family);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.7;
}

a {
  color: var(--color-link);
  text-decoration: none;
  border-bottom: 2px solid var(--yellow);
  font-weight: 600;
  transition: color 0.2s ease-in-out;
}

a:hover {
  color: var(--yellow);
}

ul, ol {
  margin-top: 0;
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}

ul {
  list-style: disc;
}

ol {
  list-style: decimal;
}

li {
  margin-bottom: 0.25rem;
  font-family: var(--font-family);
  line-height: 1.7;
}

blockquote {
  border-left: 4px solid var(--yellow);
  margin: 1.5rem 0;
  padding: 0.75rem 1.25rem;
  font-family: var(--font-family);
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--color-blockquote-text);
  background-color: var(--color-blockquote-bg);
}

figure {
  margin: 2rem 0;
}

figcaption {
  text-align: center;
  margin-top: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

img {
  max-width: 100%;
  display: inline-block;
}

label {
  margin-bottom: 0.25rem;
  font-weight: 500;
}

hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 2rem 0;
}

/* ==========================================================================
   Navbar
   ========================================================================== */

.dask-navbar {
  background-color: var(--charcoal);
  color: #ffffff;
  position: relative;
  z-index: 1000;
  width: 100%;
  padding: 0.75rem 3rem;
  font-family: var(--font-family);
  display: flex;
  align-items: center;
}

.dask-navbar .nav-container {
  display: flex;
  flex-direction: row;
  justify-content: flex-start;
  align-items: center;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
}

.dask-navbar .brand-logo {
  border-bottom: none;
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.dask-navbar .brand-logo img {
  height: 32px;
  width: auto;
}

.dask-navbar .nav-menu {
  display: flex;
  flex-direction: row;
  justify-content: flex-end;
  align-items: center;
  width: 100%;
  gap: 0.25rem;
}

.dask-navbar .nav-link {
  color: #ffffff;
  border-bottom: 2px solid transparent;
  padding: 0.25rem 0;
  margin: 0 1rem;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.5;
  transition: border-color 0.2s ease-in-out;
}

.dask-navbar .nav-link:hover {
  color: #ffffff;
  border-bottom-color: var(--yellow);
}

.dask-navbar .nav-link.is-active {
  border-bottom-color: var(--yellow);
  color: #ffffff;
}

.dask-navbar .nav-dropdown {
  position: relative;
  display: inline-block;
}

.dask-navbar .nav-dropdown-toggle {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  color: #ffffff;
  border-bottom: 2px solid transparent;
  padding: 0.25rem 0;
  margin: 0 1rem;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.5;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
  font-family: var(--font-family);
  transition: border-color 0.2s ease-in-out;
}

.dask-navbar .nav-dropdown-toggle:hover {
  border-bottom-color: var(--yellow);
}

.dask-navbar .nav-dropdown-toggle svg {
  width: 10px;
  height: 10px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}

.dask-navbar .nav-dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--charcoal);
  padding: 1rem 1.25rem;
  min-width: 180px;
  z-index: 1001;
  margin-top: 0.5rem;
}

.dask-navbar .nav-dropdown:hover .nav-dropdown-menu {
  display: block;
}

.dask-navbar .nav-dropdown-menu a {
  display: block;
  color: #ffffff;
  border-bottom: none;
  padding: 0.375rem 0;
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.5;
  white-space: nowrap;
}

.dask-navbar .nav-dropdown-menu a:hover {
  color: var(--yellow);
  border-bottom: none;
}

.dask-navbar .nav-button {
  background-color: var(--yellow);
  color: #080815;
  cursor: pointer;
  border: 0;
  border-radius: 4px;
  padding: 0.5rem 1rem;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.5;
  text-decoration: none;
  display: inline-block;
  border-bottom: none;
  margin-left: 1rem;
  font-family: var(--font-family);
  transition: background-color 0.2s ease-in-out;
}

.dask-navbar .nav-button:hover {
  background-color: #f6ba19;
  color: #080815;
}

.dask-navbar .menu-button {
  display: none;
  cursor: pointer;
  padding: 0.5rem;
  margin-left: auto;
  background: none;
  border: none;
  color: #ffffff;
  font-size: 1.5rem;
}

/* ==========================================================================
   Theme Toggle Button
   ========================================================================== */

.theme-switch-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  color: #ffffff;
  padding: 0.25rem;
  margin: 0 0.75rem;
  width: 32px;
  height: 32px;
  border-radius: 4px;
  transition: background-color 0.2s ease-in-out;
}

.theme-switch-button:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.theme-switch-button .theme-switch {
  display: none;
  width: 20px;
  height: 20px;
}

.theme-switch-button .theme-switch svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* Show icon matching current mode */
html[data-mode="auto"]  .theme-switch-button .theme-switch[data-mode="auto"]  { display: inline-flex; }
html[data-mode="light"] .theme-switch-button .theme-switch[data-mode="light"] { display: inline-flex; }
html[data-mode="dark"]  .theme-switch-button .theme-switch[data-mode="dark"]  { display: inline-flex; }

/* ==========================================================================
   Footer
   ========================================================================== */

.dask-footer {
  background-color: var(--dark-slate-grey);
  color: #ffffff;
  font-family: var(--font-family);
}

.dask-footer .footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem;
}

.dask-footer .footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 2rem;
}

.dask-footer .footer-logo {
  border-bottom: none;
  display: inline-block;
}

.dask-footer .footer-logo img {
  height: 32px;
  width: auto;
  margin-bottom: 1rem;
}

.dask-footer .footer-col-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: #ffffff;
}

.dask-footer .footer-line {
  background-color: var(--yellow);
  height: 1px;
  margin-bottom: 1rem;
}

.dask-footer .footer-link {
  display: block;
  color: #ffffff;
  border-bottom: none;
  font-size: 0.9375rem;
  font-weight: 400;
  margin-bottom: 0.75rem;
  transition: color 0.2s ease-in-out;
}

.dask-footer .footer-link:hover {
  color: var(--yellow);
}

.dask-footer .social-icons {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.dask-footer .social-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-bottom: none;
  opacity: 0.8;
  transition: opacity 0.2s ease-in-out;
}

.dask-footer .social-icon:hover {
  opacity: 1;
}

.dask-footer .social-icon img,
.dask-footer .social-icon svg {
  width: 100%;
  height: 100%;
}

.dask-footer .footer-copyright {
  font-size: 0.8125rem;
  color: #adadad;
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.dask-footer .footer-copyright a {
  color: #adadad;
  border-bottom: none;
  font-weight: 400;
  font-size: 0.8125rem;
}

.dask-footer .footer-copyright a:hover {
  color: var(--yellow);
}

/* ==========================================================================
   Page Layout
   ========================================================================== */

.site-content {
  min-height: calc(100vh - 200px);
}

.blog-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 3rem;
}

.blog-content {
  max-width: var(--content-width);
  margin: 0 auto;
}

/* ==========================================================================
   Blog Index / Post Listing
   ========================================================================== */

.blog-header {
  padding: 3rem 0 2rem;
}

.blog-header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.blog-header .blog-tagline {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  font-weight: 400;
}

.blog-meta-links {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.blog-meta-links a {
  font-size: 0.9375rem;
}

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

.posts-list li {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--color-border);
}

.posts-list li:first-child {
  border-top: 1px solid var(--color-border);
}

.post-item-title {
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.4;
  border-bottom: 2px solid var(--yellow);
  transition: color 0.2s ease-in-out;
}

.post-item-title:hover {
  color: var(--yellow);
}

.post-item-date {
  display: block;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-top: 0.375rem;
  font-style: normal;
  font-weight: 400;
}

/* ==========================================================================
   Post Page
   ========================================================================== */

.post-header {
  padding: 3rem 0 1.5rem;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 2rem;
}

.post-header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 0.5rem;
}

.post-header .post-tagline {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  font-weight: 400;
  margin-bottom: 0.5rem;
}

.post-header .post-meta {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  font-style: italic;
}

/* Post body content styles */
.post-body {
  font-size: 1.0625rem;
  line-height: 1.8;
}

.post-body h2 {
  font-size: 1.75rem;
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
  padding-bottom: 0.25rem;
  border-bottom: 2px solid var(--color-border);
}

.post-body h3 {
  font-size: 1.375rem;
  margin-top: 2rem;
  margin-bottom: 0.5rem;
}

.post-body h4 {
  font-size: 1.125rem;
  margin-top: 1.5rem;
}

.post-body p {
  font-size: 1.0625rem;
  line-height: 1.8;
}

.post-body img {
  margin: 1.5rem auto;
  display: block;
  border-radius: 4px;
}

.post-body a {
  border-bottom-width: 2px;
}

.post-body ul,
.post-body ol {
  margin-bottom: 1.25rem;
  padding-left: 2rem;
}

.post-body li {
  margin-bottom: 0.5rem;
  font-size: 1.0625rem;
  line-height: 1.7;
}

/* Code blocks */
.post-body pre,
pre {
  background-color: var(--color-code-bg);
  color: var(--color-code-text);
  border-radius: 6px;
  padding: 1.25rem 1.5rem;
  overflow-x: auto;
  margin: 1.5rem 0;
  font-size: 0.875rem;
  line-height: 1.6;
}

.post-body code,
code {
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 0.875em;
}

.post-body p code,
.post-body li code,
p code,
li code {
  background-color: var(--color-inline-code-bg);
  padding: 0.15em 0.4em;
  border-radius: 3px;
  font-size: 0.85em;
  color: var(--color-inline-code-text);
}

.post-body pre code,
pre code {
  background: none;
  padding: 0;
  border-radius: 0;
  font-size: inherit;
  color: inherit;
}

.post-body .highlight {
  margin: 1.5rem 0;
}

.post-body .highlight pre {
  margin: 0;
}

/* Tables in posts */
.post-body table,
table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.9375rem;
}

.post-body th,
th {
  background-color: var(--color-table-header-bg);
  padding: 0.75rem 1rem;
  text-align: left;
  font-weight: 600;
  border-bottom: 2px solid var(--color-border);
  font-family: var(--font-family);
  color: var(--color-text);
  text-shadow: none;
  font-size: 0.9375rem;
}

.post-body td,
td {
  padding: 0.625rem 1rem;
  border-bottom: 1px solid var(--color-border);
  background: none;
  font-family: var(--font-family);
  color: var(--color-text);
  text-shadow: none;
  font-size: 0.9375rem;
}

.post-body tr:hover td,
tr:hover td {
  background-color: var(--color-table-hover-bg);
}

table a:link,
table a:visited {
  color: var(--color-link);
  font-weight: 600;
}

table a:hover {
  color: var(--yellow);
}

/* ==========================================================================
   Page (non-post)
   ========================================================================== */

.page-header-section {
  padding: 3rem 0 1.5rem;
}

.page-header-section h1 {
  font-size: 2.5rem;
  font-weight: 700;
}

.page-header-section .page-tagline {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  margin-top: 0.25rem;
}

.page-body {
  padding-bottom: 3rem;
}

/* ==========================================================================
   Tags Page
   ========================================================================== */

.tag-box {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.tag-box li {
  display: inline-block;
}

.tag-box a {
  display: inline-block;
  background-color: var(--color-tag-bg);
  color: var(--color-tag-text);
  padding: 0.375rem 0.875rem;
  border-radius: 4px;
  font-size: 0.875rem;
  font-weight: 600;
  border-bottom: none;
  transition: background-color 0.2s ease-in-out, color 0.2s ease-in-out;
}

.tag-box a:hover {
  background-color: var(--yellow);
  color: #080815;
}

.tag-box a span.count {
  font-weight: 400;
  color: var(--color-text-muted);
  margin-left: 0.25rem;
}

.tag-section h2 {
  font-size: 1.5rem;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  padding-bottom: 0.25rem;
  border-bottom: 2px solid var(--color-border);
}

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

.tag-section li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-surface);
}

.tag-section li a {
  font-weight: 600;
}

/* ==========================================================================
   Utilities
   ========================================================================== */

figure.align-center {
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.align-center {
  text-align: center;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

@media screen and (max-width: 991px) {
  .dask-navbar {
    padding: 0.75rem 1.5rem;
  }

  .dask-navbar .nav-link {
    margin: 0 0.5rem;
    font-size: 0.9375rem;
  }

  .dask-navbar .nav-dropdown-toggle {
    margin: 0 0.5rem;
    font-size: 0.9375rem;
  }

  .blog-container {
    padding: 1.5rem;
  }

  .dask-footer .footer-container {
    padding: 2rem 1.5rem;
  }

  .dask-footer .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }

  .dask-footer .footer-logo-col {
    grid-column: 1 / -1;
  }

  h1, .post-header h1, .blog-header h1 {
    font-size: 2rem;
  }
}

@media screen and (max-width: 767px) {
  .dask-navbar {
    padding: 0.75rem 1rem;
    flex-wrap: wrap;
  }

  .dask-navbar .nav-menu {
    display: none;
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    padding-top: 1rem;
  }

  .dask-navbar .nav-menu.is-open {
    display: flex;
  }

  .dask-navbar .nav-link {
    margin: 0.375rem 0;
    padding: 0.375rem 0;
  }

  .dask-navbar .nav-dropdown-toggle {
    margin: 0.375rem 0;
    padding: 0.375rem 0;
  }

  .dask-navbar .nav-dropdown-menu {
    position: static;
    padding: 0 0 0 1rem;
    margin-top: 0;
  }

  .dask-navbar .nav-button {
    margin-left: 0;
    margin-top: 0.5rem;
  }

  .dask-navbar .menu-button {
    display: block;
  }

  .theme-switch-button {
    margin: 0.375rem 0;
  }

  .blog-container {
    padding: 1rem;
  }

  .blog-header h1, .post-header h1 {
    font-size: 1.75rem;
  }

  .post-body {
    font-size: 1rem;
  }

  .post-body p {
    font-size: 1rem;
  }

  .dask-footer .footer-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .dask-footer .footer-container {
    padding: 2rem 1rem;
  }
}

@media screen and (max-width: 479px) {
  h1, .post-header h1, .blog-header h1 {
    font-size: 1.5rem;
  }

  h2, .post-body h2 {
    font-size: 1.375rem;
  }

  h3, .post-body h3 {
    font-size: 1.125rem;
  }

  .blog-meta-links {
    flex-direction: column;
    gap: 0.5rem;
  }
}