/* Design tokens and base chrome (SphereLab template). */

:root {
  --bg_h: white;
  --bg: white;
  --bg_s: white;
  --bg_code: #f3f3f2;
  --bg1: #ebdbb2;
  --bg2: #d5c4a1;
  --bg3: #bdae93;
  --bg4: #a89984;
  --fg: #282828;
  --fg_code: #64a24e;
  --fg1: #3c3836;
  --fg2: #504945;
  --fg3: #6b6866;
  --fg4: #676767;
  --fg5: #969696;
  --red: #AD2111;
  --green: #9CC355;
  --yellow: #b57614;
  --blue: #0E9EE4;
  --purple: #8f3f71;
  --aqua: #427b58;
  --orange: #af3a03;
  --gray: #817d79;
  --hover-bg: rgba(128, 128, 128, 0.12);
  --font-sans: 'GT America', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-serif: 'Iowan Old Style BT', Georgia, serif;
  --font-mono: 'SF Mono', Monaco, Inconsolata, 'Fira Code', monospace;
  --site-header-height: 54px;
}

*,
*::before,
*::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-serif);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

#wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  padding: var(--site-header-height) 1rem 0;
}

/* Site header ------------------------------------------------------------- */

#header { position: relative; }

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1002;
  display: flex;
  align-items: center;
  height: var(--site-header-height);
  padding: 0.75rem 1.3rem;
  background: var(--bg);
}

.navbar-logo { flex-shrink: 0; }

#header .navbar-logo a,
#header .navbar-logo a:link,
#header .navbar-logo a:visited,
#header .navbar-logo a:hover {
  font-family: 'Chakra Petch', var(--font-sans);
  font-style: normal;
  font-weight: 500;
  font-size: 17px;
  line-height: 25px;
  letter-spacing: 1.7px;
  color: var(--fg4);
  text-decoration: none;
  transition: opacity 0.3s ease-in-out;
}

#header .navbar-logo a:hover { opacity: 0.65; }

/* Links ------------------------------------------------------------------- */

a {
  text-decoration: none;
  transition: color 0.3s ease-in-out, opacity 0.3s ease-in-out;
}

article.content a:link,
article.content a:visited {
  color: var(--fg);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--fg) 28%, var(--bg) 72%);
  text-underline-offset: 2px;
}

article.content a:hover { color: var(--blue); }

/* Code -------------------------------------------------------------------- */

code, pre, kbd, samp { font-family: var(--font-mono); }

article.content code {
  background: var(--bg_code);
  border-radius: 4px;
  font-size: 0.86em;
  padding: 0.1em 0.35em;
}

article.content pre {
  background: var(--bg_code);
  border-radius: 7.2px;
  margin: 1.2rem 0 1.6rem;
  overflow-x: auto;
  padding: 1rem 2rem 1rem 1rem;
}

article.content pre code {
  background: transparent;
  color: var(--fg3);
  display: block;
  font-size: 13px;
  line-height: 1.4;
  padding: 0;
  white-space: pre;
}

::selection { background: color-mix(in srgb, var(--blue) 22%, transparent); }