/* Base */

:root {
  color-scheme: light;
  --background: #ffffff;
  --primary: #404040;
  --secondary: #808080;
  --tertiary: #f5f5f5;

  --spacing-xs: 0.5rem;
  --spacing-s: 1rem;
  --spacing-m: 2rem;
  --spacing-l: 3rem;

  --font-size-heading: 1.75rem;
  --line-height-heading: 2.25rem;

  --font-size-body: 1.125rem;
  --line-height-body: 1.75rem;

  --font-size-small: 1rem;
  --line-height-small: 1.5rem;

  --font-size-caption: 0.875rem;
  --line-height-caption: 1.25rem;

  --font-weight-regular: 400;
  --font-weight-medium: 500;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --background: #0a0a0a;
    --primary: #eaeaea;
    --secondary: #bdbdbd;
    --tertiary: #1a1a1a;
  }
}

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

body {
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 40rem;
  min-height: 100svh;
  gap: var(--spacing-m);
  margin-inline: auto;
  padding: var(--spacing-s);
  font-family: system-ui, sans-serif;
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-small);
  color: var(--primary);
  background-color: var(--background);
}

body > header {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-s);
}

nav {
  display: flex;
  gap: var(--spacing-m);
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover, address a, .prose a {
  text-decoration: underline;
}

address {
  display: flex;
  gap: var(--spacing-s);
  font-size: var(--font-size-caption);
  line-height: var(--line-height-caption);
  font-style: normal;
}

img, video {
  display: block;
  width: 100%;
  height: auto;
}

h1 {
  font-size: var(--font-size-heading);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-heading);
}

time {
  font-size: var(--font-size-caption);
  line-height: var(--line-height-caption);
}

.overlay {
  padding: var(--spacing-xs) var(--spacing-s);
  color: #eaeaea;
  background-color: rgb(0 0 0 / 75%);
}

.video {
  position: relative;
}

.video > button {
  position: absolute;
  bottom: var(--spacing-s);
  left: var(--spacing-s);
  cursor: pointer;
  border: none;
  font: inherit;
}

.video > button:hover {
  text-decoration: underline;
}

/* Home Page */

.home {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-m);
}

.home p {
  font-size: var(--font-size-body);
  line-height: var(--line-height-body);
}

.home .status {
  font-size: var(--font-size-small);
  font-style: italic;
  line-height: var(--line-height-small);
  color: var(--secondary);
}

/* Photo Pages */

.photos-index ul {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-s);
  list-style: none;
}

.gallery-preview {
  position: relative;
  display: block;
}

.gallery-preview div {
  position: absolute;
  bottom: 0;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.gallery-preview h2 {
  font: inherit;
}

.gallery-preview:hover h2 {
  text-decoration: underline;
}

.photo-gallery {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-l);
}

.photo-gallery header {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-s);
}

.gallery-metadata {
  font-size: var(--font-size-caption);
  line-height: var(--line-height-caption);
  color: var(--secondary);
}

.photo-gallery > div {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-s);
}

/* Writing Pages */

.essay {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-m);
}

.writing-index ul {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-m);
  list-style: none;
}

.writing-index li, .essay header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-s);
}

.writing-index li a {
  font-size: var(--font-size-body);
  line-height: var(--line-height-body);
}

.writing-index time, .essay time {
  color: var(--secondary);
}

.prose {
  font-size: var(--font-size-body);
  line-height: var(--line-height-body);
  overflow-wrap: break-word;
}

.prose > * + * {
  margin-top: var(--spacing-s);
}

.prose h2, .prose h3 {
  margin-top: var(--spacing-m);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-medium);
}

.prose ul, .prose ol {
  padding-left: var(--spacing-m);
}

.prose blockquote {
  padding-left: var(--spacing-s);
  border-left: 2px solid var(--secondary);
  color: var(--secondary);
}

.prose pre {
  overflow-x: auto;
  padding: var(--spacing-s);
  background-color: var(--tertiary);
}

.prose code {
  font-size: 0.875em;
}