/* ABOUTME: Gives the Pagepaint README direction a precise grayscale document layout. */
/* ABOUTME: Keeps installation, video controls, and agent instructions readable on all screen sizes. */
@font-face {
  font-family: "DM Sans";
  src: url("/demo/fonts/dm-sans-400.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "DM Sans";
  src: url("/demo/fonts/dm-sans-600.ttf") format("truetype");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "DM Sans";
  src: url("/demo/fonts/dm-sans-700.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
:root {
  color-scheme: light;
  --background: #fff;
  --ink: #171717;
  --secondary: #5d5d5d;
  --line: #dfdfdf;
  --surface: #f6f6f6;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --space-small: 0.75rem;
  --space-medium: 1.5rem;
  --space-large: 3rem;
  --space-section: 4rem;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 2rem;
}
body {
  margin: 0;
  background: var(--background);
  color: var(--ink);
  font:
    1rem/1.65 "DM Sans",
    sans-serif;
  -webkit-font-smoothing: antialiased;
}
button,
a {
  -webkit-tap-highlight-color: transparent;
}
button {
  font: inherit;
  cursor: pointer;
}
button,
a {
  touch-action: manipulation;
}
a {
  color: inherit;
  text-underline-offset: 0.2em;
  text-decoration-thickness: 1px;
}
a:hover {
  text-decoration-thickness: 2px;
}
button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 4px;
}
button:disabled {
  cursor: wait;
  opacity: 0.6;
}
::selection {
  color: var(--background);
  background: var(--ink);
}
h1,
h2,
h3,
p,
figure,
blockquote {
  margin: 0;
}
.skip-link {
  position: absolute;
  top: -6rem;
  left: 1rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  color: #fff;
  background: #171717;
}
.skip-link:focus {
  top: 1rem;
}
.site-header {
  max-width: 1120px;
  margin: auto;
  min-height: 80px;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  gap: var(--space-medium);
  align-items: center;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  text-decoration: none;
}
.brand svg {
  width: 26px;
  height: 26px;
}
.site-header nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.875rem;
}
.site-header nav a {
  text-decoration: none;
}
.site-header nav a:hover {
  text-decoration: underline;
}
.document {
  max-width: 1008px;
  padding: 2rem 2rem 0;
  margin: auto;
}
.reading-width {
  max-width: 680px;
  margin-inline: auto;
}
.file-heading {
  border-top: 1px solid var(--line);
  padding-top: var(--space-medium);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--secondary);
  font: 0.75rem/1.5 var(--mono);
}
.file-heading span[aria-hidden="true"] {
  margin-right: 0.4rem;
}
.file-divider {
  color: #aaa;
  margin: 0 0.5rem;
}
.introduction {
  padding-top: 1.75rem;
}
h1 {
  font-size: clamp(3.4rem, 7.5vw, 5.5rem);
  font-weight: 700;
  line-height: 1.03;
  letter-spacing: -0.075em;
}
.title-period {
  color: #8a8a8a;
}
.lead {
  font-size: clamp(1.65rem, 3vw, 2rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.04em;
  padding-top: 1.25rem;
}
.summary {
  color: var(--secondary);
  max-width: 57ch;
  padding-top: 1rem;
}
.intro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}
.button {
  min-height: 44px;
  padding: 0.65rem 1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  border: 1px solid var(--ink);
  border-radius: 0;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  transition:
    background 150ms,
    color 150ms;
}
.primary {
  color: #fff;
  background: var(--ink);
}
.primary:hover {
  background: #383838;
  text-decoration: none;
}
.secondary {
  color: var(--ink);
  background: #fff;
  border-color: #d0d0d0;
}
.secondary:hover {
  background: var(--surface);
  border-color: var(--ink);
}
.button:active {
  transform: translateY(1px);
}
.contents {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.25rem;
  align-items: center;
  padding-block: 0.75rem;
  margin-top: 2rem;
  border-top: 1px solid var(--line);
  font: 0.75rem/1.5 var(--mono);
}
.contents-label {
  color: var(--secondary);
  margin-right: 0.5rem;
}
.contents a {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
}
.demo-film {
  margin-top: 1.25rem;
}
.film-title {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem 1rem;
  color: #cfcfcf;
  background: #202020;
  font: 0.75rem/1.5 var(--mono);
}
.film-context {
  color: #c1c1c1;
}
.demo-film video {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  background: #181818;
  object-fit: cover;
}
.demo-film figcaption {
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
  padding-top: 0.65rem;
  color: var(--secondary);
  font-size: 0.8125rem;
  line-height: 1.5;
}
.film-controls {
  display: flex;
  gap: 0.25rem;
  flex-shrink: 0;
}
.film-controls button {
  min-height: 44px;
  padding: 0.4rem 0.75rem;
  border: 0;
  background: transparent;
  color: var(--ink);
  font: 0.75rem/1.5 var(--mono);
  text-decoration: underline;
  text-underline-offset: 0.3em;
}
.film-controls button:hover {
  background: var(--surface);
}
.doc-section {
  margin-top: var(--space-section);
}
h2 {
  display: flex;
  gap: 0.5rem;
  position: relative;
  font-size: 1.6rem;
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.045em;
}
.heading-hash {
  position: absolute;
  left: -1.5rem;
  color: #858585;
  font-weight: 400;
  font-family: var(--mono);
  font-size: 1.25rem;
  top: 0.1rem;
}
.doc-section > p {
  margin-top: 1rem;
  max-width: 65ch;
}
.code-block {
  margin-top: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--line);
}
.code-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.35rem 1rem;
  border-bottom: 1px solid var(--line);
  font: 0.75rem/1.5 var(--mono);
  color: var(--secondary);
}
.code-heading button {
  border: 0;
  padding: 0.5rem 0.75rem;
  min-height: 44px;
  background: transparent;
  color: var(--ink);
  font: 0.75rem/1.5 var(--mono);
}
.code-heading button:hover {
  background: #e8e8e8;
}
pre {
  margin: 0;
  padding: 1.25rem 1rem;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font: 0.8125rem/1.9 var(--mono);
}
code {
  font-family: var(--mono);
}
p > code,
dd > code,
blockquote code {
  font-size: 0.875em;
  background: var(--surface);
  padding: 0.125em 0.3em;
}
.note {
  color: var(--secondary);
  font-size: 0.875rem;
}
.alternative {
  margin-top: 2rem !important;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  font-size: 0.875rem;
}
.alternative > span {
  display: inline-block;
  padding-top: 0.4rem;
  color: var(--secondary);
}
.review-steps {
  display: grid;
  gap: 1.5rem;
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  counter-reset: review;
}
.review-steps li {
  display: grid;
  grid-template-columns: 2.25rem minmax(0, 1fr);
  column-gap: 0.75rem;
  counter-increment: review;
}
.review-steps li::before {
  content: counter(review, decimal-leading-zero);
  padding-top: 0.25rem;
  font: 0.75rem/1.5 var(--mono);
  color: var(--secondary);
}
h3 {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.review-steps p {
  margin-top: 0.25rem;
  color: var(--secondary);
}
.repo-tree {
  margin-top: 1.5rem;
  padding: 1.25rem 0;
  font: 0.8125rem/2.15 var(--mono);
}
.repo-tree div {
  overflow-wrap: anywhere;
}
.repo-tree div > span[aria-hidden="true"] {
  color: #717171;
}
.repo-tree div > span:not([aria-hidden]) {
  color: var(--secondary);
  margin-left: 0.75rem;
  font-family: "DM Sans", sans-serif;
}
blockquote {
  margin-top: 1.25rem;
  padding: 0.75rem 1.25rem;
  border-left: 2px solid #262626;
  background: var(--surface);
  font-size: 1rem;
  line-height: 1.7;
}
.practical-details {
  margin: 1.5rem 0 0;
  display: grid;
  gap: 1.25rem;
}
.practical-details div {
  display: grid;
  grid-template-columns: 9.5rem minmax(0, 1fr);
  gap: 1.5rem;
}
dt {
  font-weight: 600;
  font-size: 0.9375rem;
}
dd {
  margin: 0;
  color: var(--secondary);
  font-size: 0.9375rem;
}
.source-link {
  padding-top: 1.25rem;
  font-size: 0.875rem;
}
.document-footer {
  margin-top: var(--space-section);
  border-top: 1px solid var(--line);
  padding-block: 1.5rem 3rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  color: var(--secondary);
  font-size: 0.75rem;
}
.footer-divider {
  padding-inline: 0.4rem;
}
.document-footer nav {
  display: flex;
  gap: 1rem;
}
.document-footer a {
  min-height: 32px;
  display: inline-flex;
  align-items: center;
}
@media (max-width: 760px) {
  .site-header {
    min-height: 72px;
    padding-inline: 1.25rem;
  }
  .site-header nav {
    gap: 1rem;
    font-size: 0.8125rem;
  }
  .document {
    padding-inline: 1.5rem;
    padding-top: 1rem;
  }
  .reading-width {
    max-width: 600px;
  }
  .file-heading {
    padding-top: 1.25rem;
    font-size: 0.75rem;
  }
  .introduction {
    padding-top: 1.5rem;
  }
  .summary {
    font-size: 1rem;
  }
  .contents {
    font-size: 0.8125rem;
    gap: 0.25rem 1rem;
  }
  .contents-label {
    flex-basis: 100%;
    padding-top: 0.25rem;
  }
  .demo-film {
    margin-inline: -0.5rem;
    margin-top: 1rem;
  }
  .film-title {
    padding-inline: 0.75rem;
    font-size: 0.6875rem;
  }
  .film-context {
    display: none;
  }
  .demo-film figcaption {
    align-items: flex-start;
    gap: 0.5rem;
    font-size: 0.8125rem;
  }
  .film-controls {
    gap: 0;
  }
  .film-controls button {
    padding-inline: 0.5rem;
    font-size: 0.6875rem;
  }
  .doc-section {
    margin-top: 3rem;
  }
  h2 {
    font-size: 1.45rem;
  }
  .heading-hash {
    position: static;
    font-size: 1.1rem;
    padding-top: 0.1rem;
  }
  .practical-details div {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }
  .repo-tree div > span:not([aria-hidden]) {
    display: block;
    margin-left: 2.15rem;
    line-height: 1.5;
    margin-bottom: 0.5rem;
  }
  .document-footer {
    padding-bottom: 6rem;
    font-size: 0.8125rem;
  }
}
@media (max-width: 380px) {
  .site-header nav {
    gap: 0.75rem;
  }
  .site-header .brand {
    font-size: 1.1rem;
  }
  .site-header .brand svg {
    display: none;
  }
  .document {
    padding-inline: 1.25rem;
  }
  .intro-actions {
    gap: 0.5rem;
  }
  .button {
    gap: 0.65rem;
    padding-inline: 0.75rem;
  }
  .demo-film figcaption {
    flex-direction: column;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .button {
    transition: none;
  }
}