@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&family=JetBrains+Mono:wght@500;600;700&display=swap");

:root {
  color-scheme: dark;
  --background: #020617;
  --surface: rgba(15, 23, 42, 0.76);
  --surface-strong: rgba(30, 41, 59, 0.78);
  --surface-hover: rgba(51, 65, 85, 0.7);
  --foreground: #f8fafc;
  --muted: #cbd5e1;
  --quiet: #94a3b8;
  --border: rgba(148, 163, 184, 0.22);
  --border-strong: rgba(148, 163, 184, 0.38);
  --accent: #f3c969;
  --accent-deep: #a16207;
  --blue: #2563eb;
  --radius: 20px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100dvh;
  background:
    radial-gradient(circle at 84% -10%, rgba(37, 99, 235, 0.24), transparent 34%),
    radial-gradient(circle at 2% 105%, rgba(161, 98, 7, 0.16), transparent 30%),
    var(--background);
  color: var(--foreground);
  font-family: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "PingFang SC", sans-serif;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  cursor: pointer;
  touch-action: manipulation;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 30;
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--accent);
  color: #111827;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  transform: translateY(-160%);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: 62px;
  border-bottom: 1px solid var(--border);
  background: rgba(2, 6, 23, 0.72);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
}

.nav-shell {
  width: min(calc(100% - 32px), 1500px);
  min-height: 61px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(243, 201, 105, 0.52);
  border-radius: 10px;
  background: rgba(243, 201, 105, 0.1);
  color: var(--accent);
  font: 700 11px/1 "JetBrains Mono", monospace;
  letter-spacing: -0.04em;
}

.brand-copy {
  display: grid;
  gap: 1px;
}

.brand-copy strong {
  font-size: 14px;
  line-height: 1.2;
}

.brand-copy small {
  color: var(--quiet);
  font: 500 10px/1.2 "JetBrains Mono", monospace;
}

.header-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.header-links a {
  min-height: 38px;
  padding: 0 12px;
  display: inline-flex;
  align-items: center;
  border: 1px solid transparent;
  border-radius: 10px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  text-decoration: none;
  transition:
    color 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.header-links a:hover {
  border-color: var(--border);
  background: rgba(148, 163, 184, 0.08);
  color: var(--foreground);
}

main {
  width: min(calc(100% - 28px), 1500px);
  margin: 0 auto;
}

.panel {
  min-width: 0;
  min-height: 0;
  padding: 20px 22px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.04),
    0 18px 50px rgba(0, 0, 0, 0.16);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.panel-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
}

.panel-heading h1,
.panel-heading h2 {
  margin: 0;
  font: 700 22px/1.15 "JetBrains Mono", monospace;
  letter-spacing: -0.045em;
}

.panel-heading a {
  flex: 0 0 auto;
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  text-decoration: none;
}

.panel-heading a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.repositories {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
}

.repository-list {
  min-height: 0;
  margin-top: 14px;
  display: grid;
  grid-template-rows: repeat(4, auto);
  gap: 9px;
}

.repository-item {
  min-width: 0;
  min-height: 0;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(15, 23, 42, 0.58);
  text-decoration: none;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.repository-item:hover {
  transform: translateY(-2px);
  border-color: var(--border-strong);
  background: var(--surface-hover);
}

.repository-primary {
  border-color: rgba(243, 201, 105, 0.46);
  background:
    linear-gradient(135deg, rgba(161, 98, 7, 0.2), rgba(15, 23, 42, 0.62));
}

.repository-primary:hover {
  border-color: rgba(243, 201, 105, 0.72);
}

.repository-item > div {
  min-width: 0;
}

.repository-item h2 {
  min-width: 0;
  margin: 0 0 8px;
  overflow: hidden;
  color: var(--foreground);
  font: 700 clamp(17px, 1.55vw, 23px)/1.15 "JetBrains Mono", monospace;
  letter-spacing: -0.055em;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: color 180ms ease;
}

.star-count {
  color: var(--accent);
  font-size: clamp(11px, 0.86vw, 13px);
  font-weight: 600;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.repository-item p {
  max-width: 520px;
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.5;
}

.repository-item > span,
.demo-item > span {
  flex: 0 0 auto;
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  white-space: nowrap;
}

.repository-item:hover h2 {
  color: var(--accent);
}

.demos,
.writing {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
}

.demo-grid {
  min-height: 0;
  margin-top: 13px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.demo-item {
  min-width: 0;
  min-height: 0;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface-strong);
  text-decoration: none;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.demo-item:hover {
  transform: translateY(-2px);
  border-color: rgba(37, 99, 235, 0.72);
  background: rgba(37, 99, 235, 0.14);
}

.demo-item > div {
  min-width: 0;
}

.demo-item h3 {
  margin: 0 0 6px;
  font: 700 16px/1.25 "JetBrains Mono", monospace;
  letter-spacing: -0.04em;
}

.demo-item p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.5;
}

.article-index {
  min-height: 0;
  margin-top: 13px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-rows: repeat(2, minmax(0, 1fr));
  gap: 11px;
  overflow: hidden;
}

.article-group {
  min-width: 0;
  min-height: 0;
  padding: 11px 13px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(15, 23, 42, 0.46);
}

.article-group-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.article-group-heading h3 {
  margin: 0;
  font: 700 15px/1.25 "JetBrains Mono", monospace;
  letter-spacing: -0.035em;
}

.article-group-heading span {
  color: var(--quiet);
  font-size: 10px;
  white-space: nowrap;
}

.article-group ol {
  margin: 7px 0 0;
  padding: 0;
  list-style: none;
}

.article-group li + li {
  margin-top: 3px;
}

.article-group a {
  min-height: 21px;
  display: block;
  overflow: hidden;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.32;
  text-decoration: none;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition:
    color 180ms ease,
    transform 180ms ease;
}

.article-group a:hover {
  color: var(--accent);
  transform: translateX(3px);
}

a:active {
  transform: translateY(1px);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

@media (min-width: 1180px) {
  main {
    min-height: max(690px, calc(100dvh - 62px));
    padding: 14px 0 16px;
    display: grid;
    grid-template-columns: minmax(470px, 0.84fr) minmax(650px, 1.26fr);
    grid-template-rows: 188px auto;
    grid-template-areas:
      "repositories demos"
      "repositories writing";
    gap: 14px;
  }

  .repositories {
    grid-area: repositories;
  }

  .demos {
    grid-area: demos;
  }

  .writing {
    grid-area: writing;
  }
}

@media (max-width: 1179px) {
  body {
    min-height: 100dvh;
  }

  main {
    padding: 14px 0 46px;
    display: grid;
    gap: 14px;
  }

  .repository-item {
    min-height: 130px;
  }

  .demos {
    min-height: 210px;
  }

  .writing {
    min-height: 520px;
  }
}

@media (max-width: 680px) {
  .nav-shell {
    width: min(calc(100% - 24px), 1500px);
  }

  .brand-copy small {
    display: none;
  }

  .header-links {
    gap: 2px;
  }

  .header-links a {
    min-height: 44px;
    padding: 0 9px;
  }

  main {
    width: min(calc(100% - 18px), 1500px);
    padding-top: 9px;
    gap: 9px;
  }

  .panel {
    padding: 18px 16px;
    border-radius: 16px;
  }

  .panel-heading h1,
  .panel-heading h2 {
    font-size: 19px;
  }

  .repository-list {
    grid-template-rows: auto;
  }

  .repository-item {
    min-height: 146px;
    padding: 16px;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 10px;
  }

  .repository-item h2 {
    font-size: 19px;
  }

  .repository-item p {
    font-size: 16px;
  }

  .demo-grid,
  .article-index {
    grid-template-columns: 1fr;
  }

  .demo-item {
    min-height: 122px;
  }

  .demo-item p {
    font-size: 16px;
  }

  .writing {
    min-height: auto;
  }

  .article-index {
    grid-template-rows: auto;
    gap: 9px;
    overflow: visible;
  }

  .article-group a {
    min-height: 44px;
    display: flex;
    align-items: center;
    font-size: 16px;
    line-height: 1.45;
    white-space: normal;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

@media (prefers-reduced-transparency: reduce) {
  .site-header,
  .panel {
    background: #0f172a;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}