@import url("https://fonts.googleapis.com/css2?family=Source+Serif+4:opsz,wght@8..60,400;8..60,600&family=Work+Sans:wght@400;500;600&display=swap");

:root {
  color-scheme: light;
  --font-body: "Source Serif 4", "Iowan Old Style", "Palatino", serif;
  --font-sans: "Work Sans", "Helvetica Neue", Arial, sans-serif;
  --global-bg-color: #ffffff;
  --global-text-color: #000000;
  --global-text-color-light: #666666;
  --global-theme-color: #0076df;
  --global-hover-color: #0076df;
  --global-divider-color: rgba(0, 0, 0, 0.1);
  --global-footer-text-color: #666666;
}

[data-theme="dark"] {
  color-scheme: dark;
  --global-bg-color: #1c1c1d;
  --global-text-color: #e8e8e8;
  --global-text-color-light: #828282;
  --global-theme-color: #0076df;
  --global-hover-color: #0076df;
  --global-divider-color: #424246;
  --global-footer-text-color: #828282;
}

* {
  box-sizing: border-box;
}

html {
  background-color: var(--global-bg-color);
  color: var(--global-text-color);
}

body {
  margin: 0;
  font-family: var(--font-body);
  line-height: 1.6;
  color: var(--global-text-color);
  background: var(--global-bg-color);
}

p,
h1,
h2,
h3,
h4,
h5,
h6,
em,
div,
li,
span,
strong,
summary,
details {
  color: var(--global-text-color);
}

a {
  color: var(--global-theme-color);
  text-decoration: none;
}

a strong,
a em {
  color: inherit;
}

a:hover {
  color: var(--global-hover-color);
  text-decoration: underline;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 20px;
}

header {
  border-bottom: 1px solid var(--global-divider-color);
}

nav {
  display: flex;
  gap: 16px;
  align-items: center;
  font-size: 0.95rem;
  font-family: var(--font-sans);
}

.nav-dropdown {
  position: relative;
}

.nav-dropdown__toggle {
  background: none;
  border: 0;
  color: var(--global-text-color);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  padding: 8px 0;
  cursor: pointer;
}

.nav-dropdown__toggle:hover {
  color: var(--global-hover-color);
}

.nav-dropdown__menu {
  display: none;
  position: absolute;
  top: calc(100% - 2px);
  left: 0;
  min-width: 160px;
  margin-top: 0;
  padding: 6px 0;
  border: 1px solid var(--global-divider-color);
  background: var(--global-bg-color);
  z-index: 10;
}

.nav-dropdown__menu a {
  display: block;
  padding: 6px 12px;
  color: var(--global-text-color);
  text-decoration: none;
  white-space: nowrap;
}

.nav-dropdown__menu a:hover {
  color: var(--global-hover-color);
}

.nav-dropdown:focus-within .nav-dropdown__menu,
.nav-dropdown:hover .nav-dropdown__menu {
  display: block;
}

nav a {
  color: var(--global-text-color);
  text-decoration: none;
  padding: 8px 0;
  border-bottom: 2px solid transparent;
}

nav a.active {
  border-bottom-color: var(--global-theme-color);
  font-weight: 600;
}

nav a:hover {
  color: var(--global-hover-color);
}

.toggle-container {
  margin-left: auto;
}

#light-toggle {
  padding: 0;
  border: 0;
  background-color: inherit;
  color: var(--global-text-color);
  width: 2.25rem;
  height: 2.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

#light-toggle:hover {
  color: var(--global-hover-color);
}

#light-toggle i {
  font-size: 1.15rem;
}

h1 {
  margin: 0 0 16px;
  font-size: 2rem;
  font-family: var(--font-sans);
}

h2 {
  margin: 32px 0 12px;
  font-size: 1.25rem;
  font-family: var(--font-sans);
}

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

figure {
  margin: 1rem 0;
}

figure img {
  display: block;
}

.notes-list {
  margin: 0;
  padding-left: 1.25rem;
}

.notes-list > li {
  margin: 0.2rem 0;
}

.notes-list__details {
  list-style: none;
}

.notes-list__details > details {
  margin-left: 0;
}

.notes-list__details summary {
  cursor: pointer;
  padding-left: 0;
  display: list-item;
  list-style-position: outside;
}

.notes-list__details summary::marker,
.notes-list__details summary::-webkit-details-marker {
  font-size: 0.75em;
}

.notes-sublist {
  margin: 6px 0 0 1.25rem;
  padding-left: 1.25rem;
}

.notes-table {
  width: 100%;
  border-collapse: collapse;
  margin: 6px 0 12px;
  border: 1px solid var(--global-divider-color);
}

.notes-table td {
  padding: 6px 12px;
  vertical-align: top;
  border-bottom: 1px solid var(--global-divider-color);
  border-right: 1px solid var(--global-divider-color);
}

.notes-table td:last-child {
  border-right: 0;
}

.notes-table tr:nth-child(even) {
  background-color: rgba(0, 0, 0, 0.02);
}

html[data-theme="dark"] .notes-table tr:nth-child(even) {
  background-color: rgba(255, 255, 255, 0.03);
}

html.transition,
html.transition *,
html.transition *::before,
html.transition *::after {
  transition: all 750ms !important;
  transition-delay: 0 !important;
}

mjx-container[display="true"] {
  overflow-x: auto;
  overflow-y: hidden;
}

footer {
  border-top: 1px solid var(--global-divider-color);
  color: var(--global-footer-text-color);
  font-size: 0.85rem;
}