/* Sticky nav — notepad only */
.notepad-page .site-wrapper {
  padding-top: 0;
}

.notepad-page nav {
  position: sticky;
  top: 0;
  padding-top: 24px;
}

/* Fade overlay — top of viewport */
.notepad-fade {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 72px;
  pointer-events: none;
  z-index: 9;
}

.canvas-off .notepad-fade {
  background: linear-gradient(to bottom, var(--background), transparent);
}

.canvas-on .notepad-fade {
  display: none;
}

.docs-layout {
  display: grid;
  grid-template-columns: 240px 1fr 200px;
  gap: 48px;
  max-width: 1124px;
  margin-inline: auto;
}

/* Left sidebar — Table of Contents */
.docs-sidebar {
  position: sticky;
  top: 80px;
  align-self: start;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
  padding-top: 36px;
}

.docs-sidebar-group {
  margin-bottom: 28px;
}

.docs-sidebar-group h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--font-1);
  margin: 0 0 12px 0;
  letter-spacing: 0.02em;
}

.docs-sidebar-group ul {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--button);
}

.docs-sidebar-group ul li a {
  display: block;
  font-size: 14px;
  color: var(--font-2);
  padding: 6px 0 6px 16px;
  transition: color 0.2s, border-left-color 0.2s, outline-offset 0.2s;
  border-left: 2px solid transparent;
  margin-left: -1px;
}

.docs-sidebar-group ul li a:hover {
  color: var(--font-1);
}

.docs-sidebar-group ul li a.active {
  border-left-color: var(--focus-blue);
}

/* Main content */
.docs-content {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
  padding-top: 48px;
}

/* Stacked article cards */
.notepad-article {
  padding-bottom: 48px;
  margin-bottom: 48px;
  border-bottom: 1px solid var(--button);
}

.notepad-article:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.article-header {
  margin-bottom: 16px;
}

.article-header h1 {
  font-size: 32px;
  font-weight: 700;
  margin: 0 0 4px 0;
}

.article-header time {
  font-size: 14px;
  color: var(--font-2);
  opacity: 0.6;
}

/* Article content typography */
.docs-content h2 {
  font-size: 22px;
  font-weight: 600;
  margin-top: 48px;
  margin-bottom: 12px;
}

.docs-content h3 {
  font-size: 18px;
  font-weight: 600;
  margin-top: 32px;
  margin-bottom: 8px;
}

.docs-content p {
  color: var(--font-2);
  font-size: 16px;
  line-height: 26px;
  margin-bottom: 16px;
}

.docs-content a {
  color: var(--focus-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
  border-radius: 2px;
  transition: color 0.2s, outline-offset 0.2s;
}

.docs-content a:hover {
  color: var(--font-1);
}

.docs-content a:focus-visible {
  outline: 2px solid var(--focus-blue);
  outline-offset: 0.3rem;
}

.docs-content a:active:focus-visible {
  outline-offset: 0;
}

.docs-content code {
  font-family: "SF Mono", "Fira Code", "Fira Mono", Menlo, monospace;
  font-size: 14px;
  background-color: var(--button);
  color: var(--font-1);
  padding: 2px 6px;
  border-radius: 4px;
}

.docs-content pre {
  background-color: var(--work-background);
  border: 1px solid var(--button);
  border-radius: 12px;
  padding: 20px;
  overflow-x: auto;
  margin-bottom: 24px;
}

.docs-content pre code {
  background: none;
  padding: 0;
  font-size: 14px;
  line-height: 22px;
  color: var(--font-2);
}

.docs-content ul,
.docs-content ol {
  color: var(--font-2);
  font-size: 16px;
  line-height: 28px;
  padding-left: 24px;
  margin-bottom: 16px;
}

.docs-content li {
  margin-bottom: 6px;
}

.docs-content .callout {
  background-color: var(--work-background);
  border-left: 3px solid var(--focus-blue);
  border-radius: 0 12px 12px 0;
  padding: 16px 20px;
  margin-bottom: 24px;
}

.docs-content .callout p {
  margin-bottom: 0;
}

.docs-divider {
  border: none;
  border-top: 1px solid var(--button);
  margin: 48px 0;
  visibility: visible;
}

/* Right sidebar — Contact */
.docs-on-page {
  position: sticky;
  top: 80px;
  align-self: start;
  padding-top: 36px;
}

.docs-on-page h5 {
  font-size: 13px;
  font-weight: 600;
  color: var(--font-2);
  margin: 0 0 12px 0;
  letter-spacing: 0.02em;
}

.docs-on-page ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.docs-on-page ul li a {
  display: block;
  font-size: 14px;
  color: var(--font-2);
  opacity: 0.6;
  padding: 6px 0;
  border-radius: 2px;
  transition: color 0.2s, outline-offset 0.2s;
}

.docs-on-page ul li a:hover {
  color: var(--font-1);
}

.docs-on-page ul li a:focus-visible {
  outline: 2px solid var(--focus-blue);
  outline-offset: 0.3rem;
}

.docs-on-page ul li a:active:focus-visible {
  outline-offset: 0;
}

/* Responsive */
@media only screen and (max-width: 1236px) {
  .docs-layout {
    grid-template-columns: 220px 1fr;
    max-width: 828px;
  }

  .docs-on-page {
    display: none;
  }
}

@media only screen and (max-width: 940px) {
  .docs-layout {
    grid-template-columns: 1fr;
    max-width: 612px;
    gap: 0;
  }

  .docs-content {
    padding-top: 32px;
  }

  .docs-sidebar {
    display: none;
  }
}

@media only screen and (max-width: 670px) {
  .docs-layout {
    max-width: 100%;
  }

  .docs-content {
        padding-top: 24px;
  }

  .docs-sidebar {
    display: none;
  }

  .notepad-fade {
    display: none;
  }
}