/* CUSTOM PROPERTIES */

:root, [data-theme="light"] {
  /* Light colors */
  --gray-97: hsl(0, 0%, 97%);
  --gray-95: hsl(0, 0%, 95%);
  --gray-90: hsl(0, 0%, 90%);
  --gray-75: hsl(0, 0%, 75%);
  --gray-67: hsl(0, 0%, 67%);
  --gray-50: hsl(0, 0%, 50%);
  --gray-20: hsl(0, 0%, 20%);
  --top-bar-bg: hsl(30, 60%, 35%);
  --top-bar-text-color: hsl(0, 0%, 100%);
  --breadcrumbs-bar-bg: hsl(30, 80%, 90%);
  --page-bg: hsl(0, 0%, 100%);
  --text-color: hsl(0, 0%, 0%);
  --accent-color: hsl(0, 90%, 40%);
  --selection-color: hsl(30, 80%, 90%);
}
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) {
  /* Dark colors */
  --gray-97: hsl(0, 0%, 20%);
  --gray-95: hsl(0, 0%, 25%);
  --gray-90: hsl(0, 0%, 30%);
  --gray-75: hsl(0, 0%, 45%);
  --gray-67: hsl(0, 0%, 53%);
  --gray-50: hsl(0, 0%, 60%);
  --gray-20: hsl(0, 0%, 90%);
  --top-bar-bg: hsl(30, 60%, 35%);
  --top-bar-text-color: hsl(0, 0%, 100%);
  --breadcrumbs-bar-bg: hsl(30, 60%, 30%);
  --page-bg: hsl(0, 0%, 17%);
  --text-color: hsl(0, 0%, 95%);
  --accent-color: hsl(35, 90%, 70%);
  --selection-color: hsl(30, 70%, 30%);
}}
[data-theme="dark"] {
  /* Dark colors */
  --gray-97: hsl(0, 0%, 20%);
  --gray-95: hsl(0, 0%, 25%);
  --gray-90: hsl(0, 0%, 30%);
  --gray-75: hsl(0, 0%, 45%);
  --gray-67: hsl(0, 0%, 53%);
  --gray-50: hsl(0, 0%, 60%);
  --gray-20: hsl(0, 0%, 90%);
  --top-bar-bg: hsl(30, 60%, 35%);
  --top-bar-text-color: hsl(0, 0%, 100%);
  --breadcrumbs-bar-bg: hsl(30, 60%, 30%);
  --page-bg: hsl(0, 0%, 17%);
  --text-color: hsl(0, 0%, 95%);
  --accent-color: hsl(35, 90%, 70%);
  --selection-color: hsl(30, 70%, 30%);
}

:root {
  --wrapper-width: 1200px;
  --wrapper-padding: 2.2rem;
}
@media screen and (max-width: 700px) { :root {
  --wrapper-padding: 1.2rem;
}}


/* BASE TEMPLATE STYLES */

:root { accent-color: var(--accent-color); }
::selection { background-color: var(--selection-color); }

html, body {
  margin: 0; padding: 0;
  -webkit-text-size-adjust: 100%;
  background-color: var(--page-bg);
}
html {
  font: 87.5% 'Arial', sans-serif; /* 14px (87.5% of 16px default browser font size) */
  line-height: 1.3;
  color: var(--text-color);
  background-color: var(--gray-97);
  padding-bottom: env(safe-area-inset-bottom);
}


/* HEADER */

#global-header {
  width: 100%;
  margin: 0; padding: 0;
}
#global-header nav {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  max-width: var(--wrapper-width);
  box-sizing: border-box;
  margin: 0 auto;
}
#global-header a {
  text-decoration: none;
  display: inline-block;
}
#global-header a:hover { border-color: currentColor; }
#global-header a.selected {
  border-color: currentColor;
  font-weight: bold;
  stroke: currentColor;
  stroke-width: 2%;
}
#global-header ul, #global-header ol {
  list-style: none;
  margin: 0; padding: 0;
}
#global-header li { display: inline-block; }
#global-header li + li { margin-left: 1.3rem; }

#top-bar {
  background-color: var(--top-bar-bg);
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
}
#top-bar nav {
  padding: 1rem var(--wrapper-padding);
  flex-wrap: wrap;
}
#top-bar a {
  color: var(--top-bar-text-color);
  border-bottom: 1px solid var(--top-bar-bg);
  margin-top: 0.8rem;
}
#top-bar #logo {
  font-family: 'Oleo Script Swash Caps', cursive;
  font-size: 2.4rem;
  margin: -0.3rem 0;
  border: none;
  position: relative;
  top: 0.1rem;
}

#breadcrumbs-bar {
  background-color: var(--breadcrumbs-bar-bg);
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
  overflow-x: scroll;
  scrollbar-width: none;
}
#breadcrumbs-bar::-webkit-scrollbar { width: 0; height: 0; }
#breadcrumbs-bar nav {
  padding: 0.8rem var(--wrapper-padding) 0.7rem var(--wrapper-padding);
  white-space: nowrap;
}
#breadcrumbs-bar li + li::before { content: "/"; position: relative; left: -0.6rem; }
#breadcrumbs-bar a { border-bottom: 1px solid var(--breadcrumbs-bar-bg); }
#breadcrumbs-bar a#current-page { color: inherit; border-color: var(--breadcrumbs-bar-bg); }


/* CONTENT */

#wrapper {
  display: flex;
  align-items: flex-start;
  max-width: var(--wrapper-width);
  margin: 0 auto; padding: 0;
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
}
#wrapper::after {
  content: "";
  display: block;
  clear: both;
}
#content-wrapper {
  margin: 0; padding: 1rem var(--wrapper-padding) 2rem var(--wrapper-padding);
  box-sizing: border-box;
  min-height: 70vh;
  min-width: 0;
  border-radius: 0 0 1em 1em;
  flex-grow: 1;
}
h1:nth-child(n+3),
h2:nth-child(n+3),
h3:nth-child(n+3),
h4:nth-child(n+3),
h5:nth-child(n+3) {
  margin-top: 1.5em;
  scroll-margin-top: 1.25em;
}
a { color: var(--accent-color); text-decoration: underline; cursor: pointer; }
a:hover, a:active { color: var(--accent-color); }
a:not([href]) { color: inherit; text-decoration: inherit; cursor: auto; }
hr {
  clear: both;
  border-width: 1px 0 0 0;
  border-style: solid;
  border-color: var(--gray-90);
  margin: 1.8em 0;
}


/* FOOTER */

#global-footer {
  font-size: 0.9em;
  text-align: center;
  border-top: 1px solid var(--gray-90);
  padding: 1.5em 0 2.5em 0;
  background-color: var(--gray-97);
}
#global-footer a { color: var(--text-color); }