@import url("themes/light.css");

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--page);
  color: var(--text);
  font: 1rem/1.65 system-ui, sans-serif;
  overflow-wrap: anywhere;
}

main, .theme-controls {
  max-inline-size: 74ch;
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
}

main {
  padding-block: clamp(1.25rem, 5vw, 4rem);
}

.theme-controls {
  text-align: end;
}

#theme-toggle {
  position: relative;
  margin-block-start: 1rem;
  min-block-size: 2.75rem;
  padding: 0.25rem 3.5rem 0.25rem 0.25rem;
  border: 0;
  border-radius: 0.5rem;
  background: transparent;
  color: var(--text);
  font: inherit;
  cursor: pointer;
}

#theme-toggle::before,
#theme-toggle::after {
  position: absolute;
  inset-block-start: 50%;
  translate: 0 -50%;
  border-radius: 999px;
  content: "";
}

#theme-toggle::before {
  inset-inline-end: 0.25rem;
  inline-size: 2.75rem;
  block-size: 1.6rem;
  background: var(--border);
}

#theme-toggle::after {
  inset-inline-end: 1.55rem;
  inline-size: 1.2rem;
  block-size: 1.2rem;
  background: white;
  box-shadow: 0 1px 4px #0004;
}

#theme-toggle[aria-checked="true"]::before {
  background: #3478f6;
}

#theme-toggle[aria-checked="true"]::after {
  inset-inline-end: 0.45rem;
}

@media (prefers-reduced-motion: no-preference) {
  #theme-toggle::after {
    transition: inset-inline-end 160ms ease;
  }
}

h1, h2, h3, h4, h5, h6 {
  margin-block: 1.6em 0.5em;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2rem, 6vw, 3.25rem);
  letter-spacing: -0.035em;
}

main > :first-child {
  margin-block-start: 0;
}

a {
  color: var(--accent);
  text-underline-offset: 0.2em;
}

a:focus-visible, #theme-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

ul, ol {
  padding-inline-start: 1.5em;
}

blockquote {
  margin-inline: 0;
  padding: 0.75rem 1rem;
  border-inline-start: 3px solid var(--accent);
  background: var(--surface);
}

code {
  padding: 0.15em 0.35em;
  border-radius: 0.25rem;
  background: var(--surface);
  font: 0.9em/1.55 ui-monospace, Consolas, monospace;
}

pre {
  overflow-x: auto;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  background: var(--surface);
  overflow-wrap: normal;
}

pre code {
  padding: 0;
}

img {
  max-inline-size: 100%;
  block-size: auto;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: start;
  gap: 0.75rem;
  margin-block: 1rem;
}

.gallery img {
  display: block;
  inline-size: 100%;
}

.gallery a {
  display: block;
  cursor: zoom-in;
}

#image-viewer {
  inline-size: min(94vw, 80rem);
  max-block-size: 94dvh;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  background: var(--surface);
  color: var(--text);
}

#image-viewer::backdrop {
  background: rgb(0 0 0 / 80%);
}

#image-viewer img {
  display: block;
  max-block-size: 78dvh;
  margin-inline: auto;
  object-fit: contain;
}

.viewer-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-block-end: 0.75rem;
}

.viewer-controls button {
  min-inline-size: 2.75rem;
  min-block-size: 2.75rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  background: var(--page);
  color: inherit;
  font: inherit;
}

@media (max-width: 42rem) {
  .gallery {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 26rem) {
  .gallery {
    grid-template-columns: minmax(0, 1fr);
  }
}

hr {
  margin-block: 2rem;
  border: 0;
  border-block-start: 1px solid var(--border);
}