/* Colors and themes */
:root {
  --bg-light: #fdfdff;
  --color-light: #1c1c1d;
  --bg-dark: #393d3f;
  --color-dark: #fdfdff;
  --color-link-light: #ce645f;
  --color-link-dark: #e08f8b;
  --color-link-hover-light: #81403a;
  --color-link-hover-dark: #fdc7c4;
}

/* Theme classes */
.latex-light-auto {
  background-color: var(--bg-light);
  color: var(--color-light);
}
.latex-light-auto a {
  color: var(--color-link-light) !important;
}
@media (hover: hover) and (pointer: fine) {
  .latex-light-auto a:hover {
    color: var(--color-link-hover-light) !important;
  }
}
.latex-dark-auto {
  background-color: var(--bg-dark);
  color: var(--color-dark);
}
.latex-dark-auto a {
  color: var(--color-link-dark) !important;
}
@media (hover: hover) and (pointer: fine) {
  .latex-dark-auto a:hover {
    color: var(--color-link-hover-dark) !important;
  }
}

/* Base reset + typography */
*:not(h1) {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif !important;
  font-size: 0.975em;
  hyphens: manual;
}
h1 {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif !important;
  margin: 0px;
}
body {
  margin-top: 50px;
  display: flex;
  flex-direction: row;
  justify-content: center;
  line-height: 1.6;
}

/* Container to match homepage */
.container {
  display: flex;
  flex-direction: column;
  max-width: 900px;
  width: 100%;
  padding: 20px;
}

/* Header layout */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.header-left {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.back-link {
  text-decoration: none;
  font-weight: 500;
  width: fit-content;
}
.latex-light-auto .back-link {
  color: var(--color-link-light) !important;
}
@media (hover: hover) and (pointer: fine) {
  .latex-light-auto .back-link:hover {
    color: var(--color-link-hover-light) !important;
  }
}
.latex-dark-auto .back-link {
  color: var(--color-link-dark) !important;
}
@media (hover: hover) and (pointer: fine) {
  .latex-dark-auto .back-link:hover {
    color: var(--color-link-hover-dark) !important;
  }
}

/* Content styles */
.collapsible-content {
  overflow: hidden;
  transition: max-height 0.2s ease;
  display: flex;
  flex-direction: column;
}
.collapsible-content.collapsed {
  max-height: 0;
}
.collapsible-content > * {
  flex-shrink: 0;
}
.blog-subtitle {
  width: fit-content;
  font-size: 1.25em;
  cursor: pointer;
  user-select: none;
  position: relative;
  padding-left: 25px;
  transition: color 0.2s ease;
}
.blog-subtitle:not(:first-of-type) {
  margin-top: 20px;
}
@media (hover: hover) and (pointer: fine) {
  .latex-light-auto .blog-subtitle:hover {
    color: var(--color-link-hover-light);
  }
  .latex-dark-auto .blog-subtitle:hover {
    color: var(--color-link-hover-dark);
  }
}
.blog-subtitle::before {
  content: "▼";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.9em;
  transition: transform 0.2s ease;
  color: var(--color-link-light);
  font-weight: bold;
  width: 20px;
  text-align: center;
}
.latex-dark-auto .blog-subtitle::before {
  color: var(--color-link-dark);
}
.blog-subtitle.collapsed::before {
  transform: translateY(-50%) rotate(-90deg);
}
.blog-paragraph {
  padding: 10px 0px;
}
.image-container {
  width: fit-content;
  background-color: var(--bg-light);
  margin: 20px;
  padding: 20px;
  border-radius: 5px;
  align-self: center;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}
.latex-light-auto .image-container {
  border: 2px solid var(--color-link-light);
}
.latex-dark-auto .image-container {
  border: 2px solid var(--color-link-dark);
}
.image-caption {
  font-size: 0.9em;
  font-style: italic;
  text-align: center;
  margin-top: 10px;
  line-height: 1.4;
  color: var(--color-light);
}
.image-caption b {
  font-style: normal;
}
.image-caption .source {
  font-weight: 500;
  font-style: normal;
}
.image-caption .source a {
  text-decoration: none;
  border-bottom: 1px dotted;
  color: var(--color-link-light) !important;
}
@media (hover: hover) and (pointer: fine) {
  .image-caption .source a:hover {
    border-bottom: 1px solid;
    color: var(--color-link-hover-light) !important;
  }
}
.blog-ordered-list {
  margin-left: 40px;
}
code {
  display: block;
  background-color: #f8f8f8;
  margin: 20px 0px;
  padding: 0px 20px;
  border: 1px solid #e0e0e0;
  border-radius: 6px;
  font-family: "Consolas", "Monaco", "Courier New", monospace !important;
  font-size: 0.9em;
  line-height: 1.5;
  white-space: pre;
  overflow-x: auto;
  color: #333;
}
.latex-dark-auto code {
  background-color: #2d3748;
  border: 1px solid #4a5568;
  color: #e2e8f0;
}
math {
  font-family: "Computer Modern", "Latin Modern Math", "TeX Gyre Termes Math",
    "Times New Roman", serif !important;
  font-style: normal;
  font-size: 1.25em;
  font-weight: normal;
}

/* Theme toggling button */
.btn {
  position: fixed !important;
  border: none;
  border-radius: 100%;
  padding: 10px;
  box-shadow: none;
  height: 55px;
}
.btn:active {
  box-shadow: none;
  outline: none;
}
.btn-light {
  background-color: var(--bg-light);
  color: var(--color-light);
  transition: 0.15s ease-in background-color;
}
@media (hover: hover) and (pointer: fine) {
  .btn-light:hover {
    cursor: pointer;
    background-color: #dddcda;
  }
}
.btn-dark {
  background-color: var(--bg-dark);
  color: var(--color-dark);
  transition: 0.15s ease-in background-color;
}
@media (hover: hover) and (pointer: fine) {
  .btn-dark:hover {
    cursor: pointer;
    background-color: #54565a;
  }
}
#toggle-theme {
  position: absolute;
  top: 10px;
  right: 10px;
}

/* Responsive design */
@media (max-width: 768px) {
  .container {
    padding: 15px;
  }
}

@media (max-width: 949px) {
  body {
    margin-top: 20px;
  }
}