:root { color-scheme: light dark; }
* { box-sizing: border-box; }
html { scroll-padding-top: 20px; }
body { margin: 0; background: #f5f5f7; color: #1d1d1f; font: 16px/1.75 -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif; }
main { max-width: 800px; margin: auto; padding: 32px 20px 64px; overflow-wrap: anywhere; }
.brand, .muted { color: #636366; }
.brand { margin: 0; }
h1 { font-size: 2rem; margin: 0 0 12px; }
h2 { font-size: 1.3rem; margin: 0 0 16px; line-height: 1.5; }
h3 { font-size: 1.05rem; margin: 24px 0 8px; }
p { margin: 0 0 12px; }
nav, section { background: #fff; border: 1px solid #d2d2d7; border-radius: 12px; padding: 24px; margin-top: 24px; }
ul, ol { margin: 0 0 16px; padding-left: 24px; }
li { padding-left: 4px; }
ol > li + li { margin-top: 10px; }
.steps > li + li { margin-top: 20px; }
.steps p { margin: 6px 0 0; }
nav ul { list-style: none; padding: 0; margin: 0; }
nav li { padding: 0; }
.toc { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 24px; }
.toc > li > a { font-weight: 600; }
.toc ul { padding-left: 12px; border-left: 2px solid #8e8e93; }
.toc ul a { font-size: .9rem; }
:target { scroll-margin-top: 20px; }
@media (max-width: 600px) { .toc { grid-template-columns: 1fr; } }
a { color: #0068c9; text-underline-offset: 3px; }
nav a, #contact-link, footer > a { display: inline-flex; align-items: center; min-height: 44px; }
dt { font-weight: 600; margin-top: 14px; }
dd { margin: 4px 0 0; }
dl { margin: 0 0 16px; }
.note { border-left: 3px solid #8e8e93; padding: 4px 0 4px 14px; margin: 20px 0; }
details { border-top: 1px solid #d2d2d7; margin-top: 16px; }
summary { padding: 12px 0; min-height: 44px; cursor: pointer; font-weight: 600; }
details > :last-child { margin-bottom: 16px; }
footer { margin-top: 24px; }
#contact-link { font-weight: 600; }
[hidden] { display: none !important; }
a:focus-visible, summary:focus-visible { outline: 2px solid currentColor; outline-offset: 3px; }
@media (max-width: 420px) {
  main { padding: 24px 12px 40px; }
  nav, section { padding: 20px 16px; }
}
@media (prefers-color-scheme: dark) {
  body { background: #1c1c1e; color: #f5f5f7; }
  nav, section { background: #2c2c2e; border-color: #636366; }
  details { border-color: #636366; }
  .brand, .muted { color: #aeaeb2; }
  a { color: #70b7ff; }
}
@media (forced-colors: active) {
  body, nav, section { background: Canvas; color: CanvasText; }
  nav, section, details, .note { border-color: CanvasText; }
  a { color: LinkText; }
}

.guide-example { margin: 20px 0; }
.guide-example figcaption p { margin: 4px 0 10px; }
.guide-example > a { display: block; }
.guide-example img { display: block; width: 100%; height: auto; border: 1px solid #8e8e93; border-radius: 6px; }

.guide-example video { display: block; width: 100%; height: auto; border: 1px solid #8e8e93; border-radius: 6px; background: #000; }

.guide-phone-example { max-width: 420px; margin-inline: auto; }

/* Guide-specific layout; the installation page shares the base styles above. */
.help-guide main { max-width: 920px; }
.help-guide header { padding: 8px 4px; }
.help-guide nav { margin-top: 16px; padding-block: 12px; }
.help-guide .toc { list-style: none; padding: 0; margin: 0; gap: 0 24px; }
.help-guide .toc > li { margin: 0; padding: 0; }
.help-guide .toc a { font-weight: 500; }
.help-guide section { padding: 28px; }
.help-guide h2 { margin-bottom: 20px; }
.help-guide h3 { margin-top: 32px; }
.help-guide h2 + h3 { margin-top: 0; }
.help-guide section > :last-child { margin-bottom: 0; }
.definition-list { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 12px 20px; }
.definition-list dt, .definition-list dd { margin: 0; }
.media-request {
  margin: 24px 0;
  padding: 24px;
  min-height: 164px;
  border: 1.5px dashed #8e8e93;
  border-radius: 10px;
  background: #f5f5f7;
}
.media-request figcaption { margin-bottom: 10px; }
.media-request figcaption strong { display: block; font-size: 1rem; }
.media-kind { display: block; color: #636366; font-size: .8rem; margin-bottom: 6px; }
.media-request p { font-size: .9rem; }
.media-request .capture-device { color: #636366; margin: 0; font-size: .8rem; }
.menu-guide { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 28px; align-items: start; margin-top: 24px; }
.menu-guide .menu-example { margin: 0; }
.menu-guide h3:first-child { margin-top: 0; }
.menu-example figcaption { margin-top: 8px; font-size: .8rem; color: #636366; }
.help-guide #course-collapse .guide-example { margin-block: 16px; }
@media (max-width: 640px) {
  .help-guide section { padding: 22px 16px; }
  .help-guide .toc { grid-template-columns: 1fr; }
  .definition-list { grid-template-columns: minmax(0, 1fr); gap: 4px; }
  .definition-list dd + dt { margin-top: 12px; }
  .media-request { padding: 18px; }
  .menu-guide { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .menu-example { width: min(100%, 260px); justify-self: center; }
}
@media (prefers-color-scheme: dark) {
  .media-request { background: #242426; border-color: #8e8e93; }
  .media-kind, .media-request .capture-device, .menu-example figcaption { color: #aeaeb2; }
}
@media (forced-colors: active) {
  .media-request { background: Canvas; border-color: CanvasText; }
  .media-kind, .media-request .capture-device, .menu-example figcaption { color: CanvasText; }
}