/* agd's site is an engineering drawing. The source is the master print; the project's parts are
   red-pencil markup that survives every revision. Light is a whiteprint (blue lines on vellum),
   dark a blueprint (white lines on Prussian blue). Red marks only what belongs to the project,
   yellow only edits. The landing page (overrides/home.html) uses the agd-* classes. */

[data-md-color-scheme="default"] {
  --agd-sheet: #f1f4f3;
  --agd-panel: #e3eaee;
  --agd-ink: #0f2f5c;
  --agd-ink-2: #4a6489;
  --agd-line: #1d4f8f;
  --agd-grid: rgba(29, 79, 143, 0.055);
  --agd-grid-major: rgba(29, 79, 143, 0.11);
  --agd-red: #d33122;
  --agd-yellow: #e2a400;
  --agd-yellow-ink: #7d5a00;
  --agd-link: #1d5fbf;
  --agd-header: #f1f4f3;
  --agd-header-ink: #0f2f5c;
  --agd-drop: rgba(29, 79, 143, 0.16);

  --md-default-bg-color: var(--agd-sheet);
  --md-default-fg-color: rgba(15, 47, 92, 0.92);
  --md-default-fg-color--light: rgba(15, 47, 92, 0.66);
  --md-default-fg-color--lighter: rgba(15, 47, 92, 0.34);
  --md-default-fg-color--lightest: rgba(15, 47, 92, 0.08);
  --md-primary-fg-color: var(--agd-header);
  --md-primary-fg-color--light: #e3eaee;
  --md-primary-fg-color--dark: #dde5ea;
  --md-primary-bg-color: var(--agd-header-ink);
  --md-primary-bg-color--light: rgba(15, 47, 92, 0.62);
  --md-accent-fg-color: #1d5fbf;
  --md-accent-fg-color--transparent: rgba(29, 95, 191, 0.1);
  --md-typeset-a-color: var(--agd-link);
  --md-code-bg-color: var(--agd-panel);
  --md-code-fg-color: #12325f;
  --md-typeset-table-color: rgba(29, 79, 143, 0.18);
  --md-footer-bg-color: #0f2f5c;
  --md-footer-bg-color--dark: #0a2342;
}

[data-md-color-scheme="slate"] {
  --md-hue: 214;
  --agd-sheet: #10335e;
  --agd-panel: #0b2747;
  --agd-ink: #e6efff;
  --agd-ink-2: #a5bddf;
  --agd-line: #cfe0ff;
  --agd-grid: rgba(200, 225, 255, 0.055);
  --agd-grid-major: rgba(200, 225, 255, 0.11);
  --agd-red: #ff6f5c;
  --agd-yellow: #ffd24a;
  --agd-yellow-ink: #ffd24a;
  --agd-link: #8fd6ff;
  --agd-header: #0a2342;
  --agd-header-ink: #e6efff;
  --agd-drop: rgba(2, 12, 30, 0.45);

  --md-default-bg-color: var(--agd-sheet);
  --md-default-fg-color: rgba(230, 239, 255, 0.92);
  --md-default-fg-color--light: rgba(230, 239, 255, 0.68);
  --md-default-fg-color--lighter: rgba(230, 239, 255, 0.36);
  --md-default-fg-color--lightest: rgba(230, 239, 255, 0.1);
  --md-default-bg-color--light: rgba(16, 51, 94, 0.7);
  --md-primary-fg-color: var(--agd-header);
  --md-primary-fg-color--light: #0e2c52;
  --md-primary-fg-color--dark: #061830;
  --md-primary-bg-color: var(--agd-header-ink);
  --md-primary-bg-color--light: rgba(230, 239, 255, 0.66);
  --md-accent-fg-color: #8fd6ff;
  --md-accent-fg-color--transparent: rgba(143, 214, 255, 0.12);
  --md-typeset-a-color: var(--agd-link);
  --md-code-bg-color: var(--agd-panel);
  --md-code-fg-color: #dbe8ff;
  --md-typeset-table-color: rgba(200, 225, 255, 0.2);
  --md-footer-bg-color: #0a2342;
  --md-footer-bg-color--dark: #061830;
}

/* The blue band and the terminal look the same in both schemes. */
:root {
  --agd-band: #123a69;
  --agd-band-ink: #eaf2ff;
  --agd-band-ink-2: #a9c1e3;
  --agd-band-line: #cfe0ff;
  --agd-band-red: #ff6f5c;
  --agd-term: #071a33;
  --agd-display: "Sofia Sans Extra Condensed", "Arial Narrow", sans-serif;
  --agd-label: "B612 Mono", var(--md-code-font-family);
  --agd-hand: "Architects Daughter", cursive;
}
[data-md-color-scheme="slate"] {
  --agd-band: #0a2342;
}

/* ---------- Drafting paper and the theme ---------- */

body {
  background-color: var(--agd-sheet);
  background-image:
    linear-gradient(var(--agd-grid-major) 1px, transparent 1px),
    linear-gradient(90deg, var(--agd-grid-major) 1px, transparent 1px),
    linear-gradient(var(--agd-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--agd-grid) 1px, transparent 1px);
  background-size: 5rem 5rem, 5rem 5rem, 1rem 1rem, 1rem 1rem;
}
.md-main,
.md-container {
  background: transparent;
}

/* The header is the drawing's top strip, with a ruler along its edge. */
.md-header,
.md-header--shadow {
  box-shadow: none;
}
.md-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 0.4rem;
  background:
    repeating-linear-gradient(90deg, var(--md-primary-bg-color) 0 1px, transparent 1px 0.5rem) bottom / 100% 0.2rem no-repeat,
    repeating-linear-gradient(90deg, var(--md-primary-bg-color) 0 1px, transparent 1px 2.5rem) bottom / 100% 0.4rem no-repeat,
    linear-gradient(var(--md-primary-bg-color), var(--md-primary-bg-color)) bottom / 100% 1px no-repeat;
  opacity: 0.45;
  pointer-events: none;
}
.md-header__topic:first-child {
  font-family: var(--agd-display);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.md-search__form {
  border: 1px solid var(--md-primary-bg-color--light);
  border-radius: 0;
  background-color: var(--md-default-fg-color--lightest);
}
[data-md-toggle="search"]:checked ~ .md-header .md-search__form {
  border-color: transparent;
}
.md-source__facts {
  font-family: var(--agd-label);
}

/* Type */
.md-typeset {
  font-size: 0.78rem;
}
.md-typeset h1,
.md-typeset h2 {
  font-family: var(--agd-display);
  font-weight: 800;
  text-transform: uppercase;
  color: var(--agd-ink);
}
.md-typeset h1 {
  margin-bottom: 1.2em;
  padding-bottom: 0.2em;
  border-bottom: 4px double var(--agd-line);
  font-size: 2.6em;
  line-height: 1;
  letter-spacing: 0.005em;
}
.md-typeset h2 {
  font-size: 1.6em;
  line-height: 1.05;
  letter-spacing: 0.01em;
}
.md-typeset h3 {
  font-weight: 700;
  color: var(--agd-ink);
}
.md-typeset dt {
  font-weight: 700;
}
.md-typeset a {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}
.md-typeset .headerlink,
.md-typeset .md-button {
  text-decoration: none;
}
.md-typeset code {
  border-radius: 0;
}
.md-typeset pre > code,
.md-typeset .highlight {
  border-radius: 0;
}
.md-typeset .highlight pre,
.md-typeset pre {
  border-left: 2px solid var(--agd-line);
}
.md-typeset table:not([class]) {
  border: 1px solid var(--agd-line);
  border-radius: 0;
  background: var(--agd-sheet);
}
.md-typeset table:not([class]) th {
  font-family: var(--agd-label);
  font-size: 0.62rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--agd-line);
}
.md-typeset .tabbed-labels > label {
  font-family: var(--agd-label);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.md-typeset .tabbed-labels > label:hover {
  color: var(--agd-link);
}
.md-typeset .tabbed-set > input:checked + label,
.md-typeset .tabbed-labels > label.tabbed-labels__active {
  color: var(--agd-ink);
}
.md-typeset .tabbed-labels::before {
  background: var(--agd-red);
}
.md-typeset .md-button {
  border-radius: 0;
  border-color: var(--agd-ink);
  color: var(--agd-ink);
  font-family: var(--agd-label);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.md-typeset .md-button--primary {
  background-color: var(--agd-ink);
  color: var(--agd-sheet);
}
.md-typeset .md-button:hover,
.md-typeset .md-button:focus {
  background-color: var(--agd-link);
  border-color: var(--agd-link);
  color: var(--agd-sheet);
}

/* Navigation: section labels like a drawing's index, the current page in red pencil. */
.md-nav__item--section > .md-nav__link,
.md-nav--secondary > .md-nav__title,
.md-nav__title {
  font-family: var(--agd-label);
  font-size: 0.6rem;
  font-weight: 400 !important;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.md-nav__link--active,
.md-nav__item .md-nav__link--active {
  color: var(--agd-red);
}
.md-nav__link:hover,
.md-nav__link:focus {
  color: var(--agd-link);
}

/* Mermaid diagrams, drawn in the sheet's lines. */
:root {
  --md-mermaid-font-family: var(--md-text-font-family);
}
[data-md-color-scheme] {
  --md-mermaid-node-bg-color: var(--agd-panel);
  --md-mermaid-node-fg-color: var(--agd-ink);
  --md-mermaid-edge-color: var(--agd-line);
  --md-mermaid-label-bg-color: var(--agd-sheet);
  --md-mermaid-label-fg-color: var(--agd-ink);
}

.md-footer-meta,
.md-footer {
  font-family: var(--agd-label);
}

/* ---------- The landing page ---------- */

.agd-home {
  color: var(--agd-ink);
}
.agd-wrap {
  max-width: 61rem;
  margin: 0 auto;
  padding: 0 1.2rem;
}
.agd-label,
.agd-kicker {
  font-family: var(--agd-label);
  font-size: 0.56rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.agd-kicker {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 1rem;
  color: var(--agd-ink-2);
}
.agd-kicker::after {
  content: "";
  flex: 1;
  height: 1px;
  background: currentColor;
  opacity: 0.4;
}
.agd-home code {
  font-family: var(--md-code-font-family);
  font-size: 0.88em;
}
.agd-home h2 {
  margin: 0 0 1rem;
  font-family: var(--agd-display);
  font-size: clamp(1.7rem, 3.4vw, 2.6rem);
  font-weight: 800;
  line-height: 0.95;
  text-transform: uppercase;
  color: var(--agd-ink);
}
.agd-hand {
  font-family: var(--agd-hand);
  color: var(--agd-red);
}
.agd-home a:not(.agd-button) {
  color: var(--agd-link);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

/* The sheet: a drawing frame with zone markers and a title block. */
.agd-hero {
  padding: 2rem 0 2.6rem;
}
.agd-frame {
  position: relative;
  display: grid;
  grid-template-columns: 1rem minmax(0, 1fr);
  grid-template-rows: 1rem auto;
  border: 2px solid var(--agd-line);
  background: var(--agd-sheet);
  box-shadow: 0.5rem 0.5rem 0 var(--agd-drop);
}
.agd-zones {
  display: flex;
  font-family: var(--agd-label);
  font-size: 0.45rem;
  color: var(--agd-ink-2);
}
.agd-zones span {
  flex: 1;
  display: grid;
  place-items: center;
  border-color: var(--agd-line);
  border-style: solid;
  border-width: 0;
}
.agd-zones--top {
  grid-column: 2;
  border-bottom: 1px solid var(--agd-line);
}
.agd-zones--top span + span {
  border-left-width: 1px;
}
.agd-zones--side {
  grid-row: 2;
  flex-direction: column;
  border-right: 1px solid var(--agd-line);
}
.agd-zones--side span + span {
  border-top-width: 1px;
}
.agd-corner {
  border-right: 1px solid var(--agd-line);
  border-bottom: 1px solid var(--agd-line);
}
.agd-sheet {
  grid-column: 2;
  grid-row: 2;
  padding: 2.2rem 2rem 0;
  min-width: 0;
}
.agd-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2.4rem;
  align-items: start;
}
@media screen and (min-width: 60em) {
  .agd-hero__grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  }
}
.agd-hero__title {
  margin: 0;
  font-family: var(--agd-display);
  font-size: clamp(2.4rem, 5vw, 4rem);
  text-wrap: balance;
  font-weight: 800;
  line-height: 0.9;
  letter-spacing: -0.005em;
  text-transform: uppercase;
  color: var(--agd-ink);
}
.agd-circled {
  position: relative;
  display: inline-block;
  white-space: nowrap;
}
.agd-circled svg {
  position: absolute;
  left: -7%;
  top: -20%;
  width: 114%;
  height: 140%;
  overflow: visible;
  pointer-events: none;
}
.agd-circled path {
  fill: none;
  stroke: var(--agd-red);
  stroke-width: 2.6;
  stroke-linecap: round;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  animation: agd-draw 0.9s cubic-bezier(0.6, 0.05, 0.3, 1) 0.9s forwards;
}
.agd-hero__note {
  display: block;
  margin: 0.5rem 0 1.4rem 34%;
  font-size: 0.95rem;
  line-height: 1.2;
  transform: rotate(-3deg);
  opacity: 0;
  animation: agd-fade 0.5s ease-out 1.7s forwards;
}
.agd-hero__lede {
  max-width: 30em;
  margin: 0 0 1.5rem;
  font-size: 0.86rem;
  line-height: 1.6;
  color: var(--agd-ink-2);
}
.agd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1rem;
}
.agd-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.1rem;
  border: 1.5px solid var(--agd-ink);
  font-family: var(--agd-label);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--agd-ink);
  transition: background-color 0.15s, color 0.15s, box-shadow 0.15s, transform 0.15s;
}
.agd-button:hover,
.agd-button:focus-visible {
  color: var(--agd-ink);
  box-shadow: 0.25rem 0.25rem 0 var(--agd-drop);
  transform: translate(-0.1rem, -0.1rem);
}
.agd-button--primary {
  background: var(--agd-ink);
  color: var(--agd-sheet);
}
.agd-button--primary:hover,
.agd-button--primary:focus-visible {
  color: var(--agd-sheet);
}
.agd-copy {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  max-width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px dashed var(--agd-line);
  background: var(--agd-panel);
  color: var(--agd-ink);
  font-size: 0.66rem;
  cursor: pointer;
}
.agd-copy:hover,
.agd-copy:focus-visible {
  border-style: solid;
}
.agd-copy code {
  overflow: hidden;
  padding: 0;
  background: none;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.agd-copy__prompt {
  font-family: var(--md-code-font-family);
  color: var(--agd-red);
}
.agd-copy__hint::after {
  content: "copy";
  font-family: var(--agd-label);
  font-size: 0.5rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--agd-ink-2);
}
.agd-copy.is-copied .agd-copy__hint::after {
  content: "copied";
  color: var(--agd-red);
}
.agd-hero__more {
  margin: 0.8rem 0 0;
  font-size: 0.66rem;
  color: var(--agd-ink-2);
}

/* Detail A: the terminal, dark navy in both schemes. */
.agd-detail {
  margin: 0;
}
.agd-detail__label {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.6rem;
  color: var(--agd-ink-2);
}
.agd-bubble {
  display: inline-grid;
  place-items: center;
  width: 1.5rem;
  height: 1.5rem;
  border: 1.5px solid var(--agd-line);
  border-radius: 50%;
  font-family: var(--agd-display);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0;
  color: var(--agd-ink);
}
.agd-term {
  position: relative;
  border: 1.5px solid var(--agd-line);
  background: var(--agd-term);
  box-shadow: 0.5rem 0.5rem 0 var(--agd-drop);
}
.agd-term__bar {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 0.8rem;
  border-bottom: 1px solid rgba(200, 225, 255, 0.14);
}
.agd-term__bar i {
  width: 0.45rem;
  height: 0.45rem;
  border: 1px solid rgba(200, 225, 255, 0.4);
  border-radius: 50%;
}
.agd-term__bar span {
  margin-left: 0.5rem;
  font-family: var(--md-code-font-family);
  font-size: 0.55rem;
  color: #7f97bd;
}
.agd-term__screen {
  margin: 0;
  padding: 0.9rem 1rem 1.1rem;
  min-height: 21rem;
  white-space: normal;
  font-family: var(--md-code-font-family);
  font-size: 0.53rem;
  line-height: 1.7;
  color: #dbe8ff;
}
.agd-term__screen .l {
  display: block;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  opacity: 0;
  animation: agd-line 0.3s ease-out forwards;
  animation-delay: var(--t);
}
.agd-term__screen .c {
  margin-top: 0.35rem;
  color: #fff;
}
.agd-term__screen .c:first-child {
  margin-top: 0;
}
.agd-term__screen .c b {
  color: #ff6f5c;
}
.agd-term__screen .m {
  color: #7f97bd;
}
.agd-term__screen .type {
  display: inline-block;
  width: 0;
  overflow: hidden;
  white-space: nowrap;
  vertical-align: bottom;
  animation: agd-type 0.5s steps(var(--n)) forwards;
  animation-delay: var(--t);
}
.agd-term__screen em {
  font-style: normal;
}
.agd-term__screen .k-notes { color: #7f97bd; }
.agd-term__screen .k-update { color: #8fd6ff; }
.agd-term__screen .k-model { color: #ff8a7a; }
.agd-term__screen .k-edited { color: #ffd24a; }
.agd-term__screen .k-new { color: #8ee6c4; }
.agd-term__screen .cursor {
  display: inline-block;
  width: 0.55em;
  height: 1.1em;
  vertical-align: text-bottom;
  background: #dbe8ff;
  animation: agd-blink 1.1s steps(1) infinite;
}

/* The sheet's foot: what reads it, and the title block. */
.agd-sheet__foot {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.6rem;
  align-items: end;
  margin: 1.8rem -2rem 0 0;
}
@media screen and (min-width: 60em) {
  .agd-sheet__foot {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}
.agd-works {
  margin: 0 0 1.4rem;
  font-size: 0.64rem;
  color: var(--agd-ink-2);
}
.agd-works span {
  display: inline-block;
  margin: 0.25rem 0.2rem 0 0;
  padding: 0.1rem 0.5rem;
  border: 1px solid var(--agd-line);
  font-family: var(--agd-label);
  font-size: 0.55rem;
  letter-spacing: 0.04em;
  color: var(--agd-ink);
}
.agd-titleblock {
  border-collapse: collapse;
  min-width: 22rem;
  font-family: var(--agd-label);
  font-size: 0.55rem;
  color: var(--agd-ink);
}
.agd-titleblock th,
.agd-titleblock td {
  padding: 0.35rem 0.6rem;
  border: 1px solid var(--agd-line);
  text-align: left;
  vertical-align: top;
}
.agd-titleblock tr:last-child th,
.agd-titleblock tr:last-child td {
  border-bottom: 0;
}
.agd-titleblock tr > :last-child {
  border-right: 0;
}
.agd-titleblock th {
  width: 1%;
  white-space: nowrap;
  font-weight: 400;
  font-size: 0.45rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--agd-ink-2);
}
.agd-titleblock strong {
  font-family: var(--agd-display);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.agd-titleblock a {
  color: var(--agd-link);
}

/* General notes: the why, on a blue band in both schemes. */
.agd-section {
  padding: 3.6rem 0;
}
.agd-notes {
  background-color: var(--agd-band);
  background-image:
    linear-gradient(rgba(200, 225, 255, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(200, 225, 255, 0.1) 1px, transparent 1px),
    linear-gradient(rgba(200, 225, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(200, 225, 255, 0.05) 1px, transparent 1px);
  background-size: 5rem 5rem, 5rem 5rem, 1rem 1rem, 1rem 1rem;
  color: var(--agd-band-ink);
  border-block: 2px solid var(--agd-band-line);
}
.agd-notes .agd-kicker {
  color: var(--agd-band-ink-2);
}
.agd-notes__list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: note;
}
.agd-notes__list li {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  margin: 0 0 0.7rem;
  font-family: var(--agd-label);
  font-size: 0.72rem;
  line-height: 1.6;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  counter-increment: note;
}
.agd-notes__list li::before {
  content: counter(note) ".";
  color: var(--agd-band-red);
}
.agd-notes__answer {
  max-width: 24em;
  margin: 2.4rem 0 0;
  font-family: var(--agd-display);
  font-size: clamp(1.6rem, 3.6vw, 2.6rem);
  font-weight: 700;
  line-height: 1.02;
  text-transform: uppercase;
}
.agd-redline {
  padding-bottom: 0.12em;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 40 8'%3E%3Cpath d='M0 5 Q 5 1 10 4.5 T 20 4 T 30 5 T 40 4' fill='none' stroke='%23ff6f5c' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E") bottom left / 2.2rem 0.32em repeat-x;
  color: #fff;
}

/* Section A-A: one installed file. */
.agd-anatomy__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2.6rem;
  align-items: center;
}
@media screen and (min-width: 60em) {
  .agd-anatomy__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  }
}
.agd-anatomy__text > p:not(.agd-kicker) {
  margin: 0 0 1.4rem;
  font-size: 0.78rem;
  line-height: 1.65;
  color: var(--agd-ink-2);
}
.agd-legend {
  margin: 0;
  padding: 0;
  list-style: none;
}
.agd-legend li {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  gap: 0.6rem;
  margin: 0 0 1rem;
}
.agd-legend p {
  margin: 0;
  font-size: 0.72rem;
  line-height: 1.55;
  color: var(--agd-ink-2);
}
.agd-legend strong {
  color: var(--agd-ink);
}
.agd-swatch {
  width: 2.2rem;
  height: 1.3rem;
}
.agd-swatch--source {
  border: 1.5px solid var(--agd-line);
}
.agd-swatch--yours {
  border-left: 3px solid var(--agd-red);
  background: repeating-linear-gradient(135deg, var(--agd-red) 0 1px, transparent 1px 6px);
  opacity: 0.85;
}
.agd-swatch--edit {
  overflow: visible;
}
.agd-swatch--edit path {
  fill: none;
  stroke: var(--agd-yellow);
  stroke-width: 1.6;
  stroke-linejoin: round;
}
.agd-swatch--edit text {
  font-family: var(--agd-display);
  font-size: 9px;
  font-weight: 800;
  fill: var(--agd-yellow-ink);
}

.agd-file {
  position: relative;
  margin: 0;
  border: 1.5px solid var(--agd-line);
  background: var(--agd-sheet);
  box-shadow: 0.5rem 0.5rem 0 var(--agd-drop);
}
.agd-file figcaption {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.5rem 1rem;
  border-bottom: 1.5px solid var(--agd-line);
  font-family: var(--md-code-font-family);
  font-size: 0.56rem;
  color: var(--agd-ink-2);
}
.agd-file__lock {
  color: var(--agd-ink);
}
.agd-file pre {
  margin: 0;
  padding: 0.6rem 0;
  overflow-x: auto;
  white-space: normal;
  font-family: var(--md-code-font-family);
  font-size: 0.58rem;
  line-height: 1.75;
}
.agd-file .r {
  position: relative;
  display: block;
  box-sizing: border-box;
  width: max-content;
  min-width: 100%;
  padding: 0.25rem 8.5rem 0.25rem 1rem;
  border-left: 3px solid transparent;
  white-space: pre;
  color: var(--agd-ink-2);
}
.agd-file .r--yours {
  border-left-color: var(--agd-red);
  background: repeating-linear-gradient(135deg, color-mix(in srgb, var(--agd-red) 22%, transparent) 0 1px, transparent 1px 7px);
  color: var(--agd-ink);
  font-weight: 600;
}
.agd-file .tag {
  position: absolute;
  top: 0.25rem;
  right: 0.9rem;
  font-family: var(--agd-label);
  font-size: 0.45rem;
  letter-spacing: 0.14em;
  line-height: 1.75rem;
  text-transform: uppercase;
  color: var(--agd-ink-2);
}
.agd-file .r--yours .tag {
  font-family: var(--agd-hand);
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0;
  line-height: 1.6rem;
  text-transform: none;
  color: var(--agd-red);
  transform: rotate(-4deg);
}

/* Parts list: what you get, as a drawing's bill of materials. */
.agd-bom {
  width: 100%;
  border-collapse: collapse;
  border: 2px solid var(--agd-line);
  background: var(--agd-sheet);
  font-size: 0.72rem;
}
.agd-bom th,
.agd-bom td {
  padding: 0.85rem 0.9rem;
  border: 1px solid var(--agd-line);
  text-align: left;
  vertical-align: top;
}
.agd-bom thead th {
  padding: 0.45rem 0.9rem;
  border-bottom-width: 2px;
  font-family: var(--agd-label);
  font-size: 0.5rem;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--agd-ink-2);
}
.agd-bom td:first-child {
  width: 1%;
  text-align: center;
}
.agd-balloon {
  display: inline-grid;
  place-items: center;
  width: 1.7rem;
  height: 1.7rem;
  border: 1.5px solid var(--agd-line);
  border-radius: 50%;
  font-family: var(--agd-display);
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--agd-ink);
}
.agd-bom h3 {
  margin: 0 0 0.3rem;
  font-family: var(--agd-display);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--agd-ink);
}
.agd-bom p {
  margin: 0;
  line-height: 1.6;
  color: var(--agd-ink-2);
}
.agd-bom td:last-child {
  width: 26%;
  font-family: var(--md-code-font-family);
  font-size: 0.6rem;
  color: var(--agd-ink);
}
.agd-bom tbody tr {
  transition: background-color 0.15s;
}
.agd-bom tbody tr:hover {
  background: var(--agd-panel);
}
.agd-bom a {
  color: var(--agd-link);
}
@media screen and (max-width: 44.9375em) {
  .agd-bom thead {
    display: none;
  }
  .agd-bom,
  .agd-bom tbody,
  .agd-bom tr,
  .agd-bom td {
    display: block;
    width: auto !important;
  }
  .agd-bom tr {
    display: grid;
    grid-template-columns: 2.6rem minmax(0, 1fr);
    border-bottom: 1px solid var(--agd-line);
  }
  .agd-bom td {
    border: 0;
  }
  .agd-bom td:first-child {
    grid-row: span 2;
  }
  .agd-bom td:last-child {
    padding-top: 0;
  }
}

/* Assembly sequence, with dimension lines. */
.agd-steps {
  padding-top: 0;
}
.agd-steps__list {
  display: grid;
  gap: 1.6rem 0;
  margin: 0;
  padding: 0;
  list-style: none;
}
@media screen and (min-width: 45em) {
  .agd-steps__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
.agd-steps__list li {
  margin: 0;
  padding-right: 1.2rem;
}
.agd-dim {
  position: relative;
  display: flex;
  justify-content: center;
  height: 1.2rem;
  margin: 0 0 0.9rem;
  border-inline: 1px solid var(--agd-line);
}
.agd-steps__list li + li .agd-dim {
  border-left: 0;
}
.agd-dim::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  border-top: 1px solid var(--agd-line);
}
.agd-dim b {
  position: absolute;
  top: calc(50% - 0.2rem);
  width: 0.5rem;
  height: 0.4rem;
  background: var(--agd-line);
}
.agd-dim b:first-child {
  left: 0;
  clip-path: polygon(0 50%, 100% 0, 100% 100%);
}
.agd-dim b:last-child {
  right: 0;
  clip-path: polygon(0 0, 100% 50%, 0 100%);
}
.agd-dim span {
  position: relative;
  align-self: center;
  padding: 0 0.4rem;
  background: var(--agd-sheet);
  font-family: var(--agd-label);
  font-size: 0.5rem;
  letter-spacing: 0.14em;
  color: var(--agd-ink-2);
}
.agd-steps__list h3 {
  margin: 0 0 0.4rem;
  font-family: var(--agd-display);
  font-size: 1.15rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--agd-ink);
}
.agd-steps__list p {
  margin: 0;
  font-size: 0.7rem;
  line-height: 1.6;
  color: var(--agd-ink-2);
}

/* The install section, from docs/index.md, lines up with the sections above. */
.agd-home-content {
  margin: 0 0.4rem;
}
.agd-home-content h2 {
  font-size: clamp(1.7rem, 3.4vw, 2.4rem);
  line-height: 0.95;
}
.agd-home-content > h2:first-child {
  margin-top: 0;
}

/* Phones: a lighter frame. */
@media screen and (max-width: 44.9375em) {
  .agd-hero {
    padding-top: 1rem;
  }
  .agd-frame {
    grid-template-columns: 0 minmax(0, 1fr);
    box-shadow: 0.3rem 0.3rem 0 var(--agd-drop);
  }
  .agd-zones--side,
  .agd-corner {
    display: none;
  }
  .agd-zones--top span:nth-child(n + 5) {
    display: none;
  }
  .agd-sheet {
    padding: 1.4rem 1rem 0;
  }
  .agd-sheet__foot {
    margin-right: -1rem;
  }
  .agd-titleblock {
    min-width: 0;
    width: calc(100% + 1rem);
    margin-left: -1rem;
  }
  .agd-hero__note {
    margin-left: 18%;
  }
}

/* Motion: the sheet is drawn once, then holds still. */
.agd-rise {
  animation: agd-rise 0.7s cubic-bezier(0.2, 0.7, 0.2, 1) both;
  animation-delay: var(--t);
}
@keyframes agd-rise {
  from { opacity: 0; transform: translateY(0.6rem); }
  to { opacity: 1; transform: none; }
}
@keyframes agd-fade {
  to { opacity: 1; }
}
@keyframes agd-draw {
  to { stroke-dashoffset: 0; }
}
@keyframes agd-line {
  from { opacity: 0; transform: translateY(0.2rem); }
  to { opacity: 1; transform: none; }
}
@keyframes agd-type {
  to { width: calc(var(--n) * 1ch); }
}
@keyframes agd-blink {
  50% { opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .agd-rise,
  .agd-hero__note,
  .agd-term__screen .l,
  .agd-term__screen .type,
  .agd-circled path {
    animation: none;
    opacity: 1;
    stroke-dashoffset: 0;
  }
  .agd-term__screen .type {
    width: auto;
  }
}