@font-face {
  font-family: "Geist Mono";
  src: url("/files/fonts/geist-mono.ttf") format("truetype");
  font-weight: 100 900;
  font-display: swap;
}

:root {
  color-scheme: light dark;

  --bg: #f7f5f0;
  --fg: #171717;
  --muted: #737373;
  --border: #d4d4d4;
  --accent-bg: #171717;
  --accent-fg: #f7f5f0;
}

html.dark {
  --bg: #000000;
  --fg: #f5f5f5;
  --muted: #737373;
  --border: #262626;
  --accent-bg: #f5f5f5;
  --accent-fg: #000000;
}

* {
  box-sizing: border-box;
}

html {
  font-family: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.5;
}

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

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

/* layout */

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 64px 40px;
}

.grid {
  display: grid;
  gap: 0;
}

.grid-2 {
  grid-template-columns: 1fr 1fr;
}

.box {
  border: 1px solid var(--border);
  margin-top: 24px;
}

.box:first-child {
  margin-top: 0;
}

.cell {
  padding: 24px;
}

.pad-lg {
  padding: 40px;
}

.border-r-md {
  border-right: 1px solid var(--border);
}

.section {
  margin-top: 24px;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  padding-bottom: 12px;
}

.section .box {
  margin-top: 24px;
}


.label {
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--muted);
  margin: 0;
}

.value {
  margin: 8px 0 0;
  font-size: 14px;
}

.value-sm {
  margin: 8px 0 0;
  font-size: 13px;
}

.mt-lg {
  margin-top: 24px;
}

.intro {
  margin: 16px 0 0;
  font-size: 26px;
  font-weight: 400;
  line-height: 1.4;
  max-width: 42ch;
}

.prose {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.65;
  max-width: 60ch;
}

.socials {
  margin-top: 32px;
  display: flex;
  gap: 12px;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  color: var(--fg);
  transition: background-color 150ms ease, border-color 150ms ease, color 150ms ease;
}

.icon {
  width: 16px;
  height: 16px;
}

.icon-light { display: block; }
.icon-dark  { display: none; }
html.dark .icon-light { display: none; }
html.dark .icon-dark  { display: block; }

.icon-btn:hover {
  background: var(--accent-bg);
  border-color: var(--accent-bg);
  color: var(--accent-fg);
}

.icon-btn:hover .icon-light { display: none; }
.icon-btn:hover .icon-dark  { display: block; }
html.dark .icon-btn:hover .icon-light { display: block; }
html.dark .icon-btn:hover .icon-dark  { display: none; }

/* main section */

.project {
  display: grid;
  grid-template-columns: 1fr 2fr;
}

.project-meta {
  padding: 24px;
}

.project-body {
  padding: 32px;
}

.repo-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  font-size: 14px;
  border-bottom: 1px solid var(--fg);
  padding-bottom: 2px;
  transition: opacity 150ms ease;
}

.repo-link:hover {
  opacity: 0.6;
}

.donate-head {
  border-bottom: 1px solid var(--border);
}

.donate-title {
  margin: 12px 0 0;
  font-size: 20px;
  font-weight: 400;
}

.donate-sub {
  margin: 12px 0 0;
  font-size: 13px;
  color: var(--muted);
  max-width: 52ch;
}

.donate-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px;
  transition: background-color 150ms ease, color 150ms ease;
}

.donate-link:hover {
  background: var(--accent-bg);
  color: var(--accent-fg);
}

.donate-link .arrow {
  font-size: 18px;
}

/* footer */

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px;
  gap: 16px;
  flex-wrap: wrap;
}

.copyright {
  margin: 0;
  font-size: 12px;
  color: var(--muted);
}

.theme-toggle {
  display: inline-flex;
  border: 1px solid var(--border);
}

.theme-btn {
  font: inherit;
  font-size: 12px;
  padding: 8px 12px;
  background: transparent;
  color: inherit;
  border: 0;
  border-left: 1px solid var(--border);
  cursor: pointer;
  transition: background-color 150ms ease, color 150ms ease;
}

.theme-btn:first-child {
  border-left: 0;
}

.theme-btn:hover {
  background: var(--border);
}

.theme-btn[aria-pressed="true"] {
  background: var(--accent-bg);
  color: var(--accent-fg);
}

/* mobile device support */

@media (max-width: 640px) {
  .container {
    padding: 40px 24px;
  }

  .pad-lg {
    padding: 24px;
  }

  .intro {
    font-size: 20px;
  }

  .project {
    grid-template-columns: 1fr;
  }

  .project-meta {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .donate-options {
    grid-template-columns: 1fr;
  }

  .donate-link.border-r-md {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .footer {
    flex-direction: column;
    align-items: flex-start;
  }
}