/* Font Faces */
@font-face {
  font-family: 'Fira Mono';
  src: url('/fonts/fira-mono-v16-latin-400.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Fira Mono';
  src: url('/fonts/fira-mono-v16-latin-500.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Fira Mono';
  src: url('/fonts/fira-mono-v16-latin-700.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* CSS Variables */
:root {
  --color-accent: 79 70 229;
  --color-background: 255 255 255;
  --color-text: 2 6 23;
  --border-radius: .25rem;
  --border-opacity: 1;
  --headings-font: 'Fira Mono', Arial, monospace;
  --body-font: 'Fira Mono', Arial, monospace;
}

/* Global Styles */
body {
  background-color: rgb(var(--color-background));
  color: rgb(var(--color-text));
  padding: 0;
  margin: 0;
  font-family: var(--body-font);
  line-height: 1.65;
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
}

main {
  flex: 1;
}

/* Accessibility */
.skip-to-content {
  position: absolute;
  top: 0.75rem;
  left: 1rem;
  z-index: 1000;
  padding: 0.375rem 1rem;
  border: 1px solid rgb(var(--color-text));
  border-radius: var(--border-radius);
  background-color: rgb(var(--color-background));
  color: rgb(var(--color-text));
  transform: translateY(-150%);
  transition: transform 0.2s ease;
  outline-offset: 0 !important;
}

.skip-to-content:hover {
  text-decoration: none;
}

.skip-to-content:focus {
  transform: translateY(0);
}


/* Headings / Paragraphs */
h1, .h1, h2, .h2, h3, .h3, h4, .h4, h5, .h5, h6, .h6, .heading {
  font-family: var(--headings-font);
  font-weight: 500;
}

h1, .h1 {
  font-size: 2.5rem;
  line-height: 1.3;
  margin: 0 0 .7rem;
}

h2, .h2 {
  font-size: 2rem;
  line-height: 1.3;
  margin: 0 0 .6rem;
}

h3, .h3 {
  font-size: 1.75rem;
  line-height: 1.3;
  margin: 0 0 .5rem;
}

h4, .h4 {
  font-size: 1.5rem;
  line-height: 1.3;
  margin: 0 0 .5rem;
}

h5, .h5 {
  font-size: 1.25rem;
  line-height: 1.3;
  margin: 0 0 .4rem;
}

h6, .h6 {
  font-size: 1rem;
  line-height: 1.3;
  margin: 0 0 .3rem;
}

.heading {
  font-family: var(--headings-font);
}

.heading span {
  color: rgb(var(--color-accent));
}

.subheading {
  letter-spacing: .1rem;
  text-transform: uppercase;
  color: rgb(var(--color-accent));
  font-weight: 600;
  margin: 0 0 .75rem;
  font-family: sans-serif;
}

.description {
  margin-bottom: 2rem;
}

p {
  margin: 0 0 1rem 0;
}

.description p:last-child {
  margin-bottom: 0;
}


/* Utilities */
small, .small {
  font-size: 0.875em;
}

.large {
  font-size: 1.125em;
}

.img-fluid {
  max-width: 100%;
  height: auto;
}

[hidden] {
  display: none !important;
}


/* Container */
.container {
  margin: 0 auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

@media (min-width: 800px) and (max-width: 1200px) {
  .container {
    max-width: 800px;
  }
}

@media (min-width: 1200px) {
  .container {
    max-width: 1400px;
    padding-left: 2rem;
    padding-right: 2rem;
  }
  .container-narrow {
    max-width: 760px;
  }
}


/* Links */
a {
  color: rgb(var(--color-accent));
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

a:focus-visible {
  outline: 2px solid rgb(var(--color-accent));
  outline-offset: 2px;
}


/* Buttons */
button,
.btn {
  display: inline-block;
  padding: 0.6rem 1.25rem;
  font-family: var(--body-font);
  font-size: 1rem;
  line-height: normal;
  border-radius: var(--border-radius);
  font-weight: 500;
  text-decoration: none;
  text-align: center;
  cursor: pointer;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.btn:hover {
  text-decoration: none;
}

.btn:disabled,
.btn[disabled] {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-primary {
  background-color: rgb(var(--color-accent));
  border: 1.5px solid rgb(var(--color-accent));
  color: rgb(var(--color-background));
}

.btn-primary:hover {
  background-color: rgb(var(--color-accent) / 0.9);
}

.btn-primary:active {
  background-color: rgb(var(--color-accent) / 0.8);
}

.btn-primary:focus-visible {
  outline: 2px solid rgb(var(--color-accent));
  outline-offset: 2px;
}

.btn-secondary {
  background-color: transparent;
  color: rgb(var(--color-accent));
  border: 1.5px solid rgb(var(--color-accent));
}

.btn-secondary:hover {
  background-color: rgb(var(--color-accent) / 0.1);
}

.btn-secondary:active {
  background-color: rgb(var(--color-accent) / 0.2);
}

.btn-secondary:focus-visible {
  outline: 2px solid rgb(var(--color-accent));
  outline-offset: 2px;
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}


/*
  Forms
*/
input, textarea, select {
  width: 100%;
  padding: 0.5rem .75rem;
  border: 1px solid rgb(var(--color-text) / 0.2);
  border-radius: var(--border-radius);
  background-color: rgb(var(--color-background));
  color: rgb(var(--color-text));
  font-family: var(--body-font);
  font-size: 1rem;
  box-sizing: border-box;
}

input:focus, textarea:focus, select:focus {
  outline: 1px solid rgb(var(--color-accent));
  outline-offset: 0;
}

label {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}


/*
  Tables
*/
table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5rem;
}

table th, table td {
  border: 1px solid rgb(var(--color-text) / 0.2);
  padding: 0.75rem;
  text-align: left;
}

table th {
  background-color: rgb(var(--color-text) / 0.05);
}


/*
  Blockquotes
*/
blockquote {
  border-left: 3px solid rgb(var(--color-text) / var(--border-opacity));
  padding-left: 1rem;
  margin: 0 0 1rem;
  font-style: italic;
  color: rgb(var(--color-text) / 0.7);
}

blockquote p:last-child {
  margin-bottom: 0 !important;
}


/*
  Collapse
*/
.theme-collapse-list {
  display: flex;
  flex-direction: column;
}

.theme-collapse-details {
  border-top: 1px dashed rgb(var(--color-text) / var(--border-opacity));
  border-bottom: 1px dashed rgb(var(--color-text) / var(--border-opacity));
  overflow: clip;
  background-color: rgb(var(--color-background));
  outline: 1px solid transparent;
  transition: all .2s ease;
}

.theme-collapse-details + .theme-collapse-details {
  border-top: none;
}

.theme-collapse-details[open] {
}

.theme-collapse-summary {
  list-style: none;
  margin: 0;
  padding: .75rem 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  transition: all .2s ease;
  outline: none;
  font-weight: 500;
}

.theme-collapse-summary:hover {
  color: rgb(var(--color-accent));
}

.theme-collapse-summary:focus-visible {
  background-color: rgb(var(--color-accent) / .1);
  padding-left: 1rem;
}

.theme-collapse-details[open] .theme-collapse-summary {
  /* background-color: rgb(var(--color-accent) / .05); */
  color: rgb(var(--color-accent));
}

.theme-collapse-icon {
  display: inline-flex;
  transition: transform .2s ease;
  margin-right: .125rem;
}

.theme-collapse-details[open] .theme-collapse-icon {
  transform: rotate(180deg);
}

.theme-collapse-content {
  padding: .25rem 0 1rem;
}