:root {
  color-scheme: light dark;
  --bg: #f6f4ef;
  --card: #ffffff;
  --ink: #222;
  --muted: #6b665c;
  --line: #e3ded3;
  --accent: #b5532a;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #18171c;
    --card: #222127;
    --ink: #eee;
    --muted: #a39e94;
    --line: #34323a;
    --accent: #e8875a;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  line-height: 1.5;
}

main {
  max-width: 728px;
  margin: 0 auto;
  padding: 40px 16px 32px;
}

a {
  color: var(--accent);
}

/* The header: the logo (home) on the left, other languages on the right. */
.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin: 0 0 32px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.3px;
  text-decoration: none;
}

.brand img {
  border-radius: 7px;
}

.brand .tld {
  color: var(--accent);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  font-size: 15px;
}

.nav a {
  color: var(--ink);
  text-decoration: none;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--accent);
  text-decoration: underline;
}


.muted {
  color: var(--muted);
}

/* A page of text (the privacy policy). */
.text h2 {
  margin-top: 32px;
}

.text ul {
  padding-left: 1.2em;
}

.text li {
  margin: 4px 0;
}

h1 {
  font-size: 2rem;
  line-height: 1.2;
  margin: 0 0 8px;
  /* Long words such as "конфиденциальности" wrap instead of running off a phone screen. */
  hyphens: auto;
  overflow-wrap: break-word;
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.7rem;
  }
}

.lead {
  font-size: 1.1rem;
  color: var(--muted);
  margin: 0 0 12px;
}

.about {
  margin: 0 0 16px;
}

/* GitHub, LinkedIn, Habr, Google Play: a brand mark in the link's colour, then the name. */
.links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.links a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.icon {
  flex: none;
  display: inline-block;
  width: 18px;
  height: 18px;
  background: currentColor;
  -webkit-mask: var(--icon) center / contain no-repeat;
  mask: var(--icon) center / contain no-repeat;
}

.icon-github { --icon: url("/icons/github.svg"); }
.icon-linkedin { --icon: url("/icons/linkedin.svg"); }
.icon-habr { --icon: url("/icons/habr.svg"); }
.icon-googleplay { --icon: url("/icons/googleplay.svg"); }
.icon-telegram { --icon: url("/icons/telegram.svg"); }
.icon-whatsapp { --icon: url("/icons/whatsapp.svg"); }
.icon-vk { --icon: url("/icons/vk.svg"); }
.icon-x { --icon: url("/icons/x.svg"); }
.icon-facebook { --icon: url("/icons/facebook.svg"); }
.icon-mail { --icon: url("/icons/mail.svg"); }
.icon-link { --icon: url("/icons/link.svg"); }
.icon-share { --icon: url("/icons/share.svg"); }
.icon-globe { --icon: url("/icons/globe.svg"); }

h2 {
  font-size: 1.2rem;
  margin: 40px 0 12px;
}

.projects {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.project {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 14px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
}

.project img {
  flex: none;
  border-radius: 10px;
}

.project-web {
  border-color: var(--accent);
}

.project h3 {
  font-size: 1rem;
  margin: 0 0 2px;
}

.project p {
  margin: 0;
  color: var(--muted);
}

.more {
  margin: 12px 0 0;
}

.project .project-links {
  margin-top: 4px;
  font-size: 14px;
}

.project-links a {
  white-space: nowrap;
}

.articles {
  padding-left: 1.2em;
  margin: 0;
}

.articles li {
  margin: 6px 0;
}

/* An app's page: icon and name, the Play button, screenshots, what it does. */
.back {
  margin: -16px 0 20px;
  font-size: 14px;
}

.app-head {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.app-head img {
  flex: none;
  border-radius: 16px;
}

@media (max-width: 480px) {
  .app-head img {
    width: 52px;
    height: 52px;
    border-radius: 12px;
  }
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--bg);
  font-weight: 600;
  text-decoration: none;
}

.button:hover,
.button:focus-visible {
  filter: brightness(1.1);
}

.shots {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  padding: 0;
  margin: 24px 0 0;
  list-style: none;
}

.shots img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 10px;
  border: 1px solid var(--line);
}

@media (max-width: 560px) {
  .shots {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.features {
  padding-left: 1.2em;
  margin: 0;
}

.features li {
  margin: 4px 0;
}

.facts {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 6px 16px;
  margin: 0;
}

.facts dt {
  color: var(--muted);
}

.facts dd {
  margin: 0;
}

@media (max-width: 480px) {
  .facts {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .facts dd {
    margin-bottom: 8px;
  }
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

footer {
  margin-top: 40px;
  font-size: 13px;
  color: var(--muted);
}

footer p {
  margin: 0 0 6px;
}

/* The operator's legal identification (§ 435 of the Czech Civil Code). */
footer .legal {
  font-size: 12px;
}

/* The ad sits at the end, set apart from the text by a line. */
.ad {
  margin-top: 40px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

/* The label shows only with an ad: nothing is left behind when it is blocked or unfilled. */
.ad-label {
  display: none;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}

.ad:has(ins[data-ad-status="filled"]) .ad-label {
  display: block;
}

.ad:not(:has(ins[data-ad-status="filled"])) {
  border-top: none;
  margin: 0;
  padding: 0;
}

/* Google leaves an unfilled slot 280px tall and empty: hide it (Google's documented way). */
ins.adsbygoogle[data-ad-status="unfilled"] {
  display: none !important;
}

/* Articles: the list and a page of text with code. */
.article-list {
  padding: 0;
  margin: 0;
  list-style: none;
}

.article-list li {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.article-list h2 {
  font-size: 1.15rem;
  margin: 0 0 6px;
}

.article-list p {
  margin: 0 0 4px;
}

.article-list.compact li {
  padding: 8px 0;
}

.small {
  font-size: 14px;
}

.tag {
  font-size: 12px;
  font-weight: 400;
  padding: 1px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  vertical-align: middle;
}

.article h1 {
  font-size: 2.1rem;
}

.article .meta {
  margin: 0 0 8px;
}

.article .origin {
  padding: 10px 14px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 15px;
}

.article p,
.article li {
  font-size: 17px;
  line-height: 1.65;
}

.article h2 {
  margin-top: 36px;
}

.article ul,
.article ol {
  padding-left: 1.3em;
}

.article li {
  margin: 4px 0;
}

code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.9em;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0 4px;
}

pre {
  overflow-x: auto;
  padding: 14px 16px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  line-height: 1.45;
}

pre code {
  border: 0;
  padding: 0;
  background: none;
  font-size: 14px;
}

.files {
  list-style: none;
  padding: 0;
}

/* Drop-down menus (language, share): <details> with a list that floats under the button. */
.nav {
  align-items: center;
}

.menu {
  position: relative;
}

.menu > summary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--card);
  color: var(--ink);
  font-size: 14px;
  cursor: pointer;
  list-style: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.menu > summary:focus {
  outline: none;
}

.menu > summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.menu > summary::-webkit-details-marker {
  display: none;
}

.menu > summary:hover,
.menu > summary:focus-visible,
.menu[open] > summary {
  border-color: var(--accent);
  color: var(--accent);
}

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

.chev {
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  transition: transform 0.15s;
}

.menu[open] .chev {
  transform: rotate(180deg);
}

.menu-list {
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  z-index: 10;
  min-width: 190px;
  margin: 0;
  padding: 6px;
  list-style: none;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.menu-list a,
.menu-list button {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 8px 10px;
  border: 0;
  border-radius: 8px;
  background: none;
  color: var(--ink);
  font: inherit;
  font-size: 15px;
  text-align: left;
  text-decoration: none;
  cursor: pointer;
}

.menu-list a:hover,
.menu-list a:focus-visible,
.menu-list button:hover,
.menu-list button:focus-visible {
  background: var(--bg);
  color: var(--accent);
}

.menu-list a[aria-current="page"] {
  font-weight: 700;
  color: var(--accent);
}

.menu-list a[aria-current="page"]::after {
  content: "✓";
  margin-left: auto;
}

.copy-link.copied {
  color: var(--accent);
}

/* A card's links and its share button on one line. */
.project-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 6px 12px;
  margin-top: 6px;
}

.project-actions .project-links {
  margin: 0;
}

.project-actions .muted {
  font-size: 14px;
}

.share > summary {
  padding: 3px 10px;
  font-size: 13px;
}

.project > div {
  flex: 1;
  min-width: 0;
}

.project-actions .share {
  margin-left: auto;
}