/* ABOUTME: Styles Pagepaint's terminal-manual homepage with monochrome type and rules. */
/* ABOUTME: Keeps installation and feedback instructions usable on desktop and mobile. */
@font-face {
  font-family: "DM Sans";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/demo/fonts/dm-sans-400.ttf") format("truetype");
}

@font-face {
  font-family: "DM Sans";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("/demo/fonts/dm-sans-600.ttf") format("truetype");
}

:root {
  color-scheme: dark;
  --page: #0c0c0c;
  --surface: #141414;
  --text: #f3f3f3;
  --secondary: #c4c4c4;
  --muted: #a0a0a0;
  --line: #363636;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --sans: "DM Sans", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 1.5rem;
}

body {
  margin: 0;
  background: var(--page);
  color: var(--text);
  font: 1rem/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: #e0e0e0;
  color: #0c0c0c;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button,
summary {
  cursor: pointer;
}

button {
  font: inherit;
}

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

a:hover {
  text-decoration: underline;
  text-underline-offset: 0.3em;
}

button:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 5px;
}

h1,
h2,
h3,
p,
figure,
blockquote {
  margin: 0;
}

svg {
  display: block;
}

.page-shell {
  width: min(100% - 6rem, 81rem);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  padding: 0.75rem 1rem;
  z-index: 20;
  transform: translateY(-180%);
  background: var(--text);
  color: var(--page);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  min-height: 6.25rem;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
}

.wordmark {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: -0.06em;
  white-space: nowrap;
}

.wordmark:hover {
  text-decoration: none;
}

.wordmark svg {
  width: 1.5rem;
  height: 1.5rem;
}

.manual-number {
  margin-left: -0.4rem;
  color: var(--muted);
}

.site-header nav {
  display: flex;
  gap: 1.75rem;
  margin-left: auto;
  font-size: 0.8125rem;
}

.direction-link {
  padding-left: 2rem;
  border-left: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.75rem;
  white-space: nowrap;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.25fr);
  align-items: center;
  gap: 3rem;
  padding-block: 4.5rem 4rem;
}

.eyebrow,
.hero-meta,
.section-index,
.section-tag,
.step-number,
.note-label {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.055em;
  color: var(--muted);
}

.eyebrow {
  text-transform: uppercase;
}

.eyebrow span {
  color: var(--secondary);
}

h1 {
  margin-block: 1.5rem 1.75rem;
  font-family: var(--mono);
  font-size: clamp(3.125rem, 5.35vw, 5.5rem);
  font-weight: 400;
  letter-spacing: -0.085em;
  line-height: 1.02;
}

.cursor-mark {
  color: #686868;
}

.intro-copy {
  color: var(--secondary);
  max-width: 35ch;
  font-size: 1.0625rem;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  min-height: 3rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--text);
  font: 0.8125rem/1.3 var(--mono);
  white-space: nowrap;
  transition: background 120ms ease;
}

.button-primary {
  background: var(--text);
  color: var(--page);
}

.button-primary:hover {
  background: #cdcdcd;
}

.button-primary:active {
  transform: translateY(1px);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 2.75rem;
  color: var(--secondary);
  font: 0.75rem/1.4 var(--mono);
}

.hero-meta {
  margin-top: 1.75rem;
  font-size: 0.6875rem;
}

.demo-window {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--line);
  background: var(--surface);
}

.window-title,
.video-caption,
.code-title,
.tree-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font: 0.6875rem/1.5 var(--mono);
}

.window-title {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--line);
}

.file-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.file-label > span {
  color: var(--muted);
}

.file-kind {
  color: var(--muted);
}

.demo-window video {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  background: #191919;
}

.video-caption {
  flex-wrap: wrap;
  color: var(--secondary);
  padding: 0.25rem 1rem;
  border-top: 1px solid var(--line);
}

.video-controls {
  display: flex;
  gap: 0.75rem;
}

.video-controls button {
  padding: 0;
  min-height: 2.75rem;
  border: 0;
  background: transparent;
  color: var(--text);
  font: 0.6875rem/1.5 var(--mono);
}

.video-controls button:hover {
  text-decoration: underline;
  text-underline-offset: 0.3em;
}

.capability-line {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.125rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--secondary);
  font: 0.6875rem/1.5 var(--mono);
}

.capability-line span::before {
  content: "+ ";
  color: #767676;
}

.manual-section {
  padding-block: 4rem;
  border-bottom: 1px solid var(--line);
}

.section-heading {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 2rem;
}

h2 {
  font-family: var(--mono);
  font-size: clamp(1.5rem, 2.2vw, 2.25rem);
  font-weight: 400;
  line-height: 1.3;
  letter-spacing: -0.045em;
}

.section-tag {
  justify-self: end;
}

.install-intro {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  padding-left: 3rem;
  margin-bottom: 2rem;
  color: var(--secondary);
}

.side-note {
  font: 0.75rem/1.75 var(--mono);
  color: var(--muted);
  text-align: right;
}

.code-window {
  background: var(--surface);
  border: 1px solid var(--line);
}

.code-title {
  padding: 0.5rem 1.5rem;
  border-bottom: 1px solid var(--line);
  color: var(--secondary);
}

.copy-button {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 2.75rem;
  padding: 0.5rem 0;
  border: 0;
  background: transparent;
  color: var(--text);
  font: 0.75rem/1.4 var(--mono);
  white-space: nowrap;
}

.copy-button:hover {
  text-decoration: underline;
  text-underline-offset: 0.3em;
}

pre {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.8125rem;
  font-variant-ligatures: none;
}

.code-window pre {
  overflow-x: auto;
  padding: 1.75rem 1.5rem;
  line-height: 1.8;
  scrollbar-width: thin;
}

code {
  font-family: var(--mono);
  font-size: 0.9em;
}

pre code {
  font-size: inherit;
}

.install-notes {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  margin-block: 0.875rem 2rem;
  color: var(--muted);
  font-size: 0.8125rem;
}

.install-notes a {
  color: var(--secondary);
  white-space: nowrap;
}

.extension-details {
  margin-left: 3rem;
  max-width: 58rem;
}

.extension-details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 3rem;
  padding-block: 0.5rem;
  color: var(--text);
  font: 0.8125rem/1.5 var(--mono);
  list-style: none;
}

.extension-details summary::-webkit-details-marker {
  display: none;
}

.extension-details[open] .disclosure-mark {
  transform: rotate(45deg);
}

.extension-details > div {
  padding-top: 1rem;
  color: var(--secondary);
  font-size: 0.9375rem;
}

.extension-details p + p {
  margin-top: 0.75rem;
}

.extension-details a {
  text-decoration: underline;
  text-underline-offset: 0.25em;
}

.workflow-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2rem;
  margin: 0;
  padding: 0 0 0 3rem;
  list-style: none;
}

.workflow-list li + li {
  padding-left: 2rem;
  border-left: 1px solid var(--line);
}

.step-number {
  display: block;
  margin-bottom: 1.25rem;
}

h3 {
  margin-bottom: 0.75rem;
  font-family: var(--mono);
  font-size: 1.0625rem;
  font-weight: 400;
  line-height: 1.45;
  letter-spacing: -0.035em;
}

.workflow-list p {
  color: var(--secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
}

strong {
  font-weight: 600;
  color: var(--text);
}

.workflow-note {
  display: grid;
  grid-template-columns: 12.5rem minmax(0, 1fr);
  gap: 2rem;
  margin-top: 2.5rem;
  padding: 1.25rem 0 0 3rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.8125rem;
}

.note-label {
  padding-top: 0.1875rem;
}

.repo-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: 4rem;
  padding-left: 3rem;
}

.repo-copy p + p {
  margin-top: 1.25rem;
}

.repo-copy {
  color: var(--secondary);
}

.storage-note {
  padding-left: 1rem;
  border-left: 2px solid #666;
  color: var(--muted);
  font-size: 0.875rem;
}

.file-tree {
  align-self: start;
  min-width: 0;
  background: var(--surface);
  border: 1px solid var(--line);
}

.tree-heading {
  justify-content: flex-start;
  gap: 0.75rem;
  padding: 0.875rem 1.5rem;
  border-bottom: 1px solid var(--line);
  font-size: 0.8125rem;
}

.file-tree pre {
  overflow-x: auto;
  padding: 1.5rem;
  font-size: 0.75rem;
  line-height: 2;
  scrollbar-width: thin;
}

.file-tree pre span {
  color: var(--muted);
}

.file-tree > p {
  padding: 0 1.5rem 1rem;
  color: var(--muted);
  font-size: 0.75rem;
}

.agent-instruction {
  margin-top: 2.5rem;
  margin-left: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
  color: var(--secondary);
  font-size: 0.875rem;
}

.agent-instruction blockquote {
  margin-block: 0.75rem;
  color: var(--text);
  font: 0.8125rem/1.8 var(--mono);
}

.field-notes {
  display: grid;
  grid-template-columns: 12.5rem minmax(0, 1fr);
  gap: 3rem;
  padding-block: 2.5rem;
  border-bottom: 1px solid var(--line);
}

.field-notes h2 {
  color: var(--secondary);
  font-size: 0.9375rem;
  letter-spacing: -0.025em;
}

.field-notes > div {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2rem;
}

.field-notes p {
  color: var(--muted);
  font-size: 0.8125rem;
  line-height: 1.75;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  padding-block: 2rem;
  font: 0.6875rem/1.6 var(--mono);
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.muted {
  color: var(--muted);
}

@media (min-width: 1500px) {
  .hero {
    padding-block: 5rem;
  }
}

@media (max-width: 1080px) {
  .page-shell {
    width: calc(100% - 4rem);
  }

  .site-header {
    gap: 1.5rem;
  }

  .direction-link {
    padding-left: 1.5rem;
  }

  .hero {
    gap: 2rem;
    padding-block: 3.5rem;
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1fr);
  }

  h1 {
    font-size: 3.5rem;
  }

  .file-kind {
    display: none;
  }

  .hero-actions {
    gap: 0.5rem 1.25rem;
  }

  .repo-layout {
    gap: 2rem;
  }

  .field-notes {
    grid-template-columns: 8rem minmax(0, 1fr);
    gap: 2rem;
  }

  .site-footer {
    flex-direction: column;
    gap: 1rem;
  }
}

@media (max-width: 760px) {
  .page-shell {
    width: calc(100% - 2.5rem);
  }

  .site-header {
    flex-wrap: wrap;
    gap: 1.25rem;
    padding-block: 1.5rem;
    min-height: auto;
  }

  .wordmark {
    font-size: 1.25rem;
  }

  .site-header nav {
    gap: 1.25rem;
    font-size: 0.75rem;
  }

  .direction-link {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    padding-block: 2.5rem;
    gap: 2rem;
  }

  .eyebrow {
    font-size: 0.625rem;
  }

  h1 {
    margin-block: 1.25rem;
    font-size: clamp(3.125rem, 10.5vw, 4.5rem);
    letter-spacing: -0.075em;
  }

  h1 br {
    display: none;
  }

  .intro-copy {
    max-width: 45ch;
    font-size: 1rem;
  }

  .hero-actions {
    margin-top: 1.5rem;
    gap: 1.25rem;
  }

  .hero-meta {
    margin-top: 1.25rem;
  }

  .window-title {
    padding: 0.75rem;
  }

  .video-caption {
    gap: 0.25rem;
    padding-inline: 0.75rem;
    font-size: 0.625rem;
  }

  .video-controls {
    gap: 1rem;
  }

  .video-controls button {
    font-size: 0.625rem;
  }

  .capability-line {
    gap: 0.75rem 1.5rem;
    justify-content: flex-start;
  }

  .manual-section {
    padding-block: 2.5rem;
  }

  .section-heading {
    grid-template-columns: 1.5rem minmax(0, 1fr);
    column-gap: 0.75rem;
    row-gap: 0.5rem;
    margin-bottom: 1.5rem;
  }

  .section-tag {
    grid-column: 2;
    justify-self: start;
    font-size: 0.625rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  .install-intro {
    display: block;
    padding-left: 0;
    margin-bottom: 1.5rem;
  }

  .desktop-break {
    display: none;
  }

  .side-note {
    margin-top: 0.75rem;
    text-align: left;
    font-size: 0.6875rem;
  }

  .side-note br {
    display: none;
  }

  .code-title {
    padding-inline: 1rem;
    font-size: 0.625rem;
  }

  .code-title > span .muted {
    display: none;
  }

  .code-window pre {
    padding: 1.25rem 1rem;
    font-size: 0.75rem;
  }

  .install-notes {
    display: block;
    font-size: 0.75rem;
  }

  .install-notes a {
    display: inline-block;
    margin-top: 0.75rem;
  }

  .extension-details {
    margin-left: 0;
  }

  .workflow-list {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding-left: 0;
  }

  .workflow-list li {
    display: grid;
    grid-template-columns: 2.5rem minmax(0, 1fr);
    gap: 0.5rem 0.75rem;
  }

  .workflow-list li + li {
    padding-left: 0;
    padding-top: 1.5rem;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .step-number {
    padding-top: 0.3125rem;
    margin-bottom: 0;
  }

  h3 {
    margin: 0;
  }

  .workflow-list p {
    grid-column: 2;
  }

  .workflow-note {
    grid-template-columns: 1fr;
    gap: 0.75rem;
    padding-left: 0;
    margin-top: 2rem;
  }

  .repo-layout {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding-left: 0;
  }

  .file-tree pre {
    padding: 1.25rem 1rem;
    font-size: 0.6875rem;
  }

  .tree-heading {
    padding-inline: 1rem;
  }

  .file-tree > p {
    padding-inline: 1rem;
    font-size: 0.6875rem;
  }

  .agent-instruction {
    margin-left: 0;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
  }

  .field-notes,
  .field-notes > div {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .site-footer {
    padding-block: 1.5rem;
  }

  .site-footer nav {
    gap: 1.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .button {
    transition: none;
  }
}