:root {
  color-scheme: light dark;
  --bg: 247 247 245;
  --surface: 255 255 255;
  --surface-2: 238 238 234;
  --border: 220 220 214;
  --text: 20 20 18;
  --text-muted: 86 86 79;
  --primary: 20 20 18;
  --on-primary: 255 214 10;
  --accent: 255 243 176;
  --success: 22 101 52;
  --warning: 146 64 14;
  --danger: 185 28 28;
  --yellow: 255 214 10;
  --ink: 20 20 18;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: 15 15 14;
    --surface: 24 24 22;
    --surface-2: 34 34 31;
    --border: 51 51 46;
    --text: 244 244 239;
    --text-muted: 176 176 167;
    --primary: 255 214 10;
    --on-primary: 20 20 18;
    --accent: 58 52 16;
    --success: 74 222 128;
    --warning: 251 191 36;
    --danger: 248 113 113;
  }
}

/*
 * milesahead.fitness. The colour tokens (--bg, --text, --primary, ... and --yellow, --ink) come first in the
 * built style.css: site/build.mjs writes them from the app's src/globals.css (Race Bib), light by default and
 * dark under prefers-color-scheme. Sizes are in rem, so the pages follow the reader's text size (200% too).
 */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  background: rgb(var(--bg));
  color: rgb(var(--text));
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.5;
}

a {
  color: inherit;
  text-underline-offset: 0.15em;
}

a:focus-visible {
  outline: 0.1875rem solid currentColor;
  outline-offset: 0.1875rem;
  border-radius: 0.25rem;
}

[hidden] {
  display: none !important;
}

.wrap {
  max-width: 40rem;
  margin: 0 auto;
  padding: 0 1rem;
}

h1 {
  font-size: 2.25rem;
  line-height: 1.1;
  font-weight: 900;
  letter-spacing: -0.01em;
  margin: 0.5rem 0 0.75rem;
}

h2 {
  font-size: 1.375rem;
  line-height: 1.25;
  font-weight: 800;
  margin: 2rem 0 0.5rem;
}

/* The header: the Bib and the name. */
.top {
  padding: 0.75rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 3rem;
  font-size: 0.875rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
}

.brand svg {
  width: 2.75rem;
  height: 2.75rem;
  flex: none;
}

.logo-dark {
  display: none;
}

@media (prefers-color-scheme: dark) {
  .logo-light {
    display: none;
  }

  .logo-dark {
    display: inline;
  }
}

/* The home page's yellow hero: timing-board yellow and ink in both modes, like the app's Welcome. */
.hero {
  background: rgb(var(--yellow));
  color: rgb(var(--ink));
  padding: 1.5rem 0 2.25rem;
}

.hero .mark {
  display: block;
  width: 6rem;
  height: 6rem;
  margin: 0 0 0.5rem -0.5rem;
}

.eyebrow {
  margin: 0;
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.lede {
  margin: 0 0 1.5rem;
  font-size: 1.125rem;
  font-weight: 600;
}

.meta {
  margin: 0.75rem 0 0;
  font-size: 0.9375rem;
}

/* Buttons: 48 px tall at 100% text, and taller as text grows. */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  max-width: 100%;
  min-height: 3rem;
  padding: 0.75rem 1.5rem;
  border: 0.125rem solid transparent;
  border-radius: 999px;
  background: rgb(var(--primary));
  color: rgb(var(--on-primary));
  font-size: 1.0625rem;
  font-weight: 800;
  line-height: 1.25;
  text-align: center;
  text-decoration: none;
}

.hero .btn {
  background: rgb(var(--ink));
  color: rgb(var(--yellow));
}

.btn-quiet {
  background: transparent;
  color: rgb(var(--text));
  border-color: rgb(var(--text));
}

/* Install steps, numbered in bib circles. */
.steps {
  counter-reset: step;
  list-style: none;
  margin: 1rem 0;
  padding: 0;
}

.steps li {
  counter-increment: step;
  position: relative;
  min-height: 2.25rem;
  padding: 0.25rem 0 1rem 3rem;
}

.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: rgb(var(--primary));
  color: rgb(var(--on-primary));
  font-weight: 900;
}

.note {
  margin: 0.5rem 0;
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  background: rgb(var(--surface-2));
}

/* An invite or friend link: the code on a bib, pinned at the corners (the logo's bib). */
.bib {
  margin: 0.75rem 0.25rem 1.5rem;
  padding: 1.75rem 0.75rem;
  border: 0.1875rem solid rgb(var(--ink));
  border-radius: 1rem;
  color: rgb(var(--ink));
  text-align: center;
  transform: rotate(-1.5deg);
  background:
    radial-gradient(circle at 0.9rem 0.9rem, rgb(var(--ink)) 0.28rem, transparent 0.32rem),
    radial-gradient(circle at calc(100% - 0.9rem) 0.9rem, rgb(var(--ink)) 0.28rem, transparent 0.32rem),
    radial-gradient(circle at 0.9rem calc(100% - 0.9rem), rgb(var(--ink)) 0.28rem, transparent 0.32rem),
    radial-gradient(circle at calc(100% - 0.9rem) calc(100% - 0.9rem), rgb(var(--ink)) 0.28rem, transparent 0.32rem),
    rgb(var(--yellow));
}

@media (prefers-color-scheme: dark) {
  .bib {
    border-color: transparent;
  }
}

.code {
  display: block;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, 'Roboto Mono', monospace;
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: 0.04em;
  overflow-wrap: anywhere;
  -webkit-user-select: all;
  user-select: all;
}

.label {
  margin: 1.5rem 0 0;
}

/* The legal pages: the app's texts, with its draft banner. */
.banner {
  margin: 1rem 0 1.5rem;
  padding: 0.75rem 1rem;
  border-left: 0.3125rem solid rgb(var(--warning));
  border-radius: 0.5rem;
  background: rgb(var(--warning) / 0.15);
}

.banner p {
  margin: 0;
}

.banner p + p {
  margin-top: 0.25rem;
}

.glance {
  margin: 1rem 0 0.5rem;
  padding: 0.25rem 1.25rem 0.75rem;
  border: 1px solid rgb(var(--border));
  border-radius: 1rem;
  background: rgb(var(--surface));
}

.glance h2 {
  margin-top: 1rem;
  font-size: 1.125rem;
}

.legal ul {
  padding-left: 1.25rem;
}

.legal li {
  margin: 0.375rem 0;
}

/* Footer. */
.foot {
  margin-top: 3rem;
  padding: 1rem 0 2.5rem;
  border-top: 1px solid rgb(var(--border));
  color: rgb(var(--text-muted));
  font-size: 0.9375rem;
}

.foot nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0 1.5rem;
}

.foot a {
  display: inline-flex;
  align-items: center;
  min-height: 3rem;
  color: rgb(var(--text));
  overflow-wrap: anywhere;
}

.foot p {
  margin: 0.5rem 0 0;
}