/* Hallmark · genre: modern-minimal · macrostructure: Long Document · theme: design.md (Radial)
 * design-system: design.md · designed-as-app · family: Homepage guides
 * Loaded after tokens.css and styles.css, which carry the base, nav, buttons and footer.
 */

/* --- Page frame --- */
.guide {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: var(--gap-8) var(--gap-4) var(--gap-8);
}

@media (min-width: 640px) {
  .guide {
    padding-left: var(--gap-6);
    padding-right: var(--gap-6);
  }
}

@media (min-width: 1000px) {
  .guide {
    display: grid;
    grid-template-columns: 14rem minmax(0, 1fr);
    gap: var(--gap-8);
    align-items: start;
  }
}

/* --- Masthead --- */
.guide__head {
  grid-column: 1 / -1;
  max-width: 44rem;
  padding-bottom: var(--gap-6);
  border-bottom: 1px solid var(--line);
}

.guide__kicker {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.guide__title {
  margin-top: var(--gap-3);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--fs-display);
  line-height: 1.1;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.guide__lede {
  margin-top: var(--gap-4);
  color: var(--ink-2);
  font-size: var(--fs-lg);
  max-width: var(--measure);
}

.guide__meta {
  margin-top: var(--gap-5);
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-3);
  align-items: center;
  color: var(--ink-3);
  font-size: var(--fs-sm);
}

/* --- Table of contents --- */
.toc {
  margin-top: var(--gap-6);
}

@media (min-width: 1000px) {
  .toc {
    position: sticky;
    top: 112px;
    margin-top: 0;
  }
}

.toc__title {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.toc ol {
  margin-top: var(--gap-3);
  display: grid;
  gap: var(--gap-2);
  counter-reset: toc;
}

.toc li {
  counter-increment: toc;
  display: flex;
  gap: var(--gap-2);
  font-size: var(--fs-md);
}

.toc li::before {
  content: counter(toc, decimal-leading-zero);
  font-family: var(--font-mono);
  color: var(--ink-4);
}

.toc a {
  color: var(--ink-2);
  text-decoration: none;
}

.toc a:hover {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* --- Body: hairline-separated sections, number-led headings --- */
.guide__body {
  counter-reset: part;
  min-width: 0;
}

.part {
  counter-increment: part;
  padding: var(--gap-7) 0;
  border-bottom: 1px solid var(--line-soft);
  max-width: 44rem;
}

.part:last-child {
  border-bottom: 0;
}

.part > h2 {
  display: flex;
  gap: var(--gap-3);
  align-items: baseline;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--fs-display-s);
  line-height: 1.15;
  letter-spacing: -0.025em;
}

.part > h2::before {
  content: counter(part, decimal-leading-zero);
  font-size: var(--fs-lg);
  color: var(--accent-fg-on-soft);
}

.part h3 {
  margin-top: var(--gap-6);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--fs-xl);
  letter-spacing: -0.015em;
}

.part p,
.part ul,
.part ol,
.part dl {
  margin-top: var(--gap-3);
  color: var(--ink-2);
}

.part > h2 + p {
  margin-top: var(--gap-4);
}

.part strong {
  color: var(--ink);
  font-weight: 600;
}

.part ul {
  display: grid;
  gap: var(--gap-2);
}

.part ul > li {
  position: relative;
  padding-left: var(--gap-5);
}

.part ul > li::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 0.7em;
  width: 6px;
  height: 1px;
  background: var(--ink-3);
}

/* --- Numbered steps --- */
.steps {
  display: grid;
  gap: var(--gap-3);
  counter-reset: step;
}

.steps > li {
  counter-increment: step;
  position: relative;
  padding-left: 2.5rem;
}

.steps > li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  line-height: 1.6rem;
  color: var(--ink-3);
}

/* --- UI labels, quoted exactly as the app shows them --- */
.ui {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95em;
  color: var(--ink);
  padding: 0.05em 0.4em;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--surface-recess);
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}

/* --- Callouts --- */
.note {
  margin-top: var(--gap-4);
  padding: var(--gap-3) var(--gap-4);
  border-left: 2px solid var(--info);
  background: var(--info-tint);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  color: var(--ink-2);
}

.note--privacy {
  border-left-color: var(--personal);
  background: var(--personal-soft);
}

/* --- Definition lists (fields, columns, statuses) --- */
.fields {
  display: grid;
  gap: var(--gap-3);
}

.fields dt {
  color: var(--ink);
  font-weight: 600;
}

.fields dd {
  margin-top: 2px;
}

@media (min-width: 640px) {
  .fields {
    grid-template-columns: 12rem minmax(0, 1fr);
    gap: var(--gap-3) var(--gap-5);
  }

  .fields dd {
    margin-top: 0;
  }
}

/* --- Print: the handout --- */
@media print {
  /* Matches every selector tokens.css uses for dark mode, at the same specificity, so the
     handout is light even when the OS prefers dark and no theme was chosen. */
  :root,
  :root:not([data-theme='light']),
  :root[data-theme='dark'] {
    color-scheme: light;
    --accent: oklch(0.62 0.17 var(--accent-h));
    --surface: oklch(1 0 0);
    --surface-raised: oklch(1 0 0);
    --surface-recess: oklch(0.96 0 0);
    --ink: oklch(0.1 0 0);
    --ink-2: oklch(0.25 0 0);
    --ink-3: oklch(0.4 0 0);
    --ink-4: oklch(0.55 0 0);
    --line: oklch(0.8 0 0);
    --line-soft: oklch(0.86 0 0);
  }

  @page {
    margin: 18mm 16mm;
  }

  html {
    font-size: 11pt;
  }

  body {
    background: var(--surface);
    color: var(--ink);
  }

  .skip-link,
  .nav-wrap,
  .footer,
  .toc,
  .no-print {
    display: none !important;
  }

  .guide {
    display: block;
    max-width: none;
    padding: 0;
  }

  .guide__head {
    padding-bottom: var(--gap-4);
  }

  .guide__title {
    font-size: 24pt;
  }

  .part {
    max-width: none;
    padding: var(--gap-5) 0;
  }

  .part > h2 {
    break-after: avoid;
    font-size: 16pt;
  }

  .part h3 {
    break-after: avoid;
  }

  .steps > li,
  .note,
  .fields dt,
  .fields dd {
    break-inside: avoid;
  }

  .ui {
    background: none;
  }

  .note,
  .note--privacy {
    background: none;
  }
}