:root {
  --light-tint-color: #651fff;
  --dark-tint-color: #aa8cff;

  --light-faded-tint-color: #f3f0ff;
  --dark-faded-tint-color: #2a175c;

  --light-primary-background-color: #ffffff;
  --dark-primary-background-color: #1a1a1a;

  --light-secondary-background-color: #fafafa;
  --dark-secondary-background-color: #262626;

  --light-primary-text-color: #1a1a1a;
  --dark-primary-text-color: #f5f5f5;

  --light-secondary-text-color: #6b7280;
  --dark-secondary-text-color: #9ca3af;

  --light-tertiary-text-color: #9ca3af;
  --dark-tertiary-text-color: #6b7280;

  --light-separator-color: #e5e7eb;
  --dark-separator-color: #4b5563;

  --spacing-2xs: 0.25rem;
  --spacing-xs: 0.5rem;
  --spacing-sm: 0.75rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;

  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 12px;

  --transition-smooth: 0.3s ease-out;
}

/* Reset / Global */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: var(--light-primary-background-color);
  color: var(--light-primary-text-color);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  font-size: 1.125rem;
  line-height: 1.7;
  text-align: center;
  transition: background-color var(--transition-smooth), color var(--transition-smooth);
}

h1, h2, h3 {
  line-height: 1.2em;
}

h1, h2, h3, h4, h5, h6 {
  letter-spacing: -0.025em;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

h1 { 
  font-size: 2.5rem;
  margin-bottom: var(--spacing-lg);
}
h2 { 
  font-size: 2rem;
  margin-bottom: var(--spacing-lg);
}
h3 { 
  font-size: 1.75rem;
  margin-bottom: var(--spacing-md);
}
h4 {
  font-size: 1.375rem;
  margin-bottom: var(--spacing-md);
}
h5 {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-sm);
}
h6 {
  font-size: 1rem;
  margin-bottom: var(--spacing-sm);
}

p {
  line-height: 1.8;
  margin-bottom: var(--spacing-lg);
}

p:last-child {
  margin-bottom: 0;
}

a {
  text-decoration: none;
  color: var(--light-tint-color);
}

a:hover:not(:has(code)),
a.selected:not(:has(code)) {
  background-color: var(--light-tint-color);
  color: white;
  border-radius: var(--radius-sm);
}

a code,
a:hover code,
a.selected code {
  background-color: var(--light-secondary-background-color);
  color: var(--light-tint-color);
  padding: 0 0.2em;
  border-radius: var(--radius-sm);
  transition: background 0.15s;
}

a:hover code,
a.selected code {
  background-color: var(--light-tint-color);
  color: white;
}

a h1 {
  display: inline;
  margin: 0;
  font-size: 2em;
  line-height: 1.3em;
  background-size: 100% 100%;
  background-repeat: no-repeat;
  padding: 5px 0;
  border-radius: var(--radius-md);
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

a:hover h1, a h1:hover {
  background-color: var(--light-tint-color);
  color: #ffffff;
  border-radius: var(--radius-sm);
}

/* Utility */

.primary-text {
  color: var(--light-primary-text-color);
}

.secondary-text {
  color: var(--light-secondary-text-color);
}

.tertiary-text {
  color: var(--light-tertiary-text-color);
  font-size: 0.875rem;
}

div.separator {
  width: 100%;
  height: 1px;
  background-color: var(--light-separator-color);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

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

.width-60 {
  max-width: 100%;
}

/* Layout */

.page-container {
  position: relative;
  min-height: 100vh;
  margin-left: auto;
  margin-right: auto;
  text-align: left;
}

.page-content {
  padding-top: var(--spacing-lg);
  padding-bottom: calc(var(--spacing-xl) + 60px);
  padding-left: var(--spacing-xl);
  padding-right: var(--spacing-xl);
}

/* Header */

header .logo a {
  display: flex;
  align-items: center;
}

header .logo a:hover {
  background-color: transparent;
}

header .logo a:hover * {
  color: var(--light-tint-color);
}

header .logo .avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
}

header .logo .site-name {
  margin: 0 0 0 10px;
  font-size: 1.4em;
  letter-spacing: 1px;
}

header .wrapper {
  padding: var(--spacing-xl);
  border-bottom: 1px solid var(--light-separator-color);
}

/* Navigation */

nav {
  display: flex;
  margin-top: var(--spacing-xl);
}

nav li {
  list-style: none;
  display: inline-block;
  margin-right: var(--spacing-2xs);
  font-size: 1.0625rem;
  letter-spacing: -0.025em;
  font-weight: 500;
}

nav li:last-child {
  margin: 0;
}

nav li a {
  padding: var(--spacing-xs) var(--spacing-xs);
  border-radius: var(--radius-md) !important;
}

/* Footer */

footer {
  position: absolute;
  bottom: 0;
  width: 100%;
  font-size: 0.9375rem;
}

footer .wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 60px;
  line-height: 1.6em;
  border-top: 0.5px solid var(--light-separator-color);
}

footer ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  letter-spacing: 1px;
  padding: 0;
  margin: 0;
  list-style: none;
}

footer ul li {
  display: inline-block;
  margin-right: 20px;
  line-height: 1.6em;
}

footer ul li:last-child {
  margin-right: 0;
}

/* Page Description */

.page-description {
  margin-top: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
}

.page-description p {
  margin: 0;
  font-size: 1.25rem;
  line-height: 1.8;
  background: var(--light-faded-tint-color);
  background-size: 100% 100%;
  background-repeat: no-repeat;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  display: inline;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
  font-weight: 400;
}

/* Posts */

article a h1 {
  color: var(--light-primary-text-color);
  display: inline;
}

article p,
article ul,
article ol {
  line-height: 1.6em;
  margin: 20px 0;
}

article p:last-child,
article ul:last-child,
article ol:last-child {
  margin-bottom: 0;
}

article ul,
article ol {
  margin: 0;
  padding: 0 20px;
}

article img,
article video {
  max-width: 100%;
  display: block;
  margin: var(--spacing-lg) auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

article img:first-child,
article video:first-child {
  margin-top: 0;
}

article img:last-child,
article video:last-child {
  margin-bottom: 0;
}

article img.bordered,
article video.bordered {
  border: 1px solid var(--light-separator-color);
}

ul.other-posts-list {
  margin-bottom: 10px;
}

ul.other-posts-list li.post-item {
  margin-top: var(--spacing-xl);
}

ul.other-posts-list li.post-item:first-child {
  margin-top: 0;
}

blockquote {
  background: var(--light-secondary-background-color);
  border-left: 4px solid var(--light-tint-color);
  margin: var(--spacing-xl) 0;
  padding: var(--spacing-lg) var(--spacing-xl);
  border-radius: var(--radius-md);
}

blockquote p {
  display: inline;
}

/* Projects */

li.project-item {
  margin-top: var(--spacing-2xl);
  display: flex;
}

li.project-item:first-child {
  margin-top: 0;
}

div.project-icon-container {
  width: 60px;
  margin-right: 10px;
  flex-shrink: 0;
}

div.project-icon-container a:hover {
  background-color: transparent;
}

img.project-icon {
  object-fit: cover;
  width: 100%;
}

li.project-item h4:first-child {
  display: inline;
  font-weight: 600;
}

/* Dark Mode */

@media (prefers-color-scheme: dark) {
  body {
    background-color: var(--dark-primary-background-color);
    color: var(--dark-primary-text-color);
  }

  a {
    color: var(--dark-tint-color);
  }

  a:hover h1, a h1:hover {
    background-color: var(--dark-tint-color);
  }

  a:hover:not(:has(code)),
  a.selected:not(:has(code)) {
    background-color: var(--dark-tint-color);
    color: white;
  }

  a code,
  a:hover code,
  a.selected code {
    background-color: var(--dark-secondary-background-color);
    color: var(--dark-tint-color);
  }

  .primary-text {
    color: var(--dark-primary-text-color);
  }

  .secondary-text {
    color: var(--dark-secondary-text-color);
  }

  .tertiary-text {
    color: var(--dark-tertiary-text-color);
  }

  header .wrapper {
    border-bottom: 1px solid var(--dark-separator-color);
  }

  header .logo a:hover * {
    color: var(--dark-tint-color);
  }

  footer .wrapper {
    border-top: 1px solid var(--dark-separator-color);
  }

  .page-description p {
    background-color: var(--dark-faded-tint-color);
  }

  div.separator {
    background-color: var(--dark-separator-color);
  }

  article a h1 {
    color: var(--dark-primary-text-color);
  }

  article a h1:hover {
    background-color: var(--dark-tint-color);
  }

  article img.bordered,
  article video.bordered {
    border: 1px solid var(--dark-separator-color);
  }

  blockquote {
    background: var(--dark-secondary-background-color);
    border-left: 5px solid var(--dark-tint-color);
  }
}

/* Desktop */

@media (min-width: 720px) {
  body {
    font-size: 1.1875rem;
  }

  header .wrapper {
    display: flex;
    padding-left: var(--spacing-2xl);
    padding-right: var(--spacing-2xl);
  }

  header .wrapper logo,
  header .wrapper nav {
    flex: 1;
  }

  nav {
    margin-top: 0;
    align-items: center;
    justify-content: flex-end;
  }

  nav li {
    margin-right: var(--spacing-sm);
  }
  
  article img,
  article video {
    margin: var(--spacing-xl) auto;
  }

  .page-container {
    max-width: 900px;
  }

  .page-content {
    padding-left: var(--spacing-2xl);
    padding-right: var(--spacing-2xl);
  }

  .width-60 {
    max-width: 60%;
  }
}