:root {
  --color-void: #111111;
  --color-obsidian: #1a1a1a;
  --color-graphite: #222222;
  --color-iron: #2a2a2a;
  --color-steel: #333333;
  --color-slate: #3c3c3c;
  --color-pewter: #4f4f4f;
  --color-fog: #6f6f6f;
  --color-ash: #9a9a9a;
  --color-bone: #cfcfcf;
  --color-pearl: #e5e5e5;
  --color-paper: #f0f0f0;

  --color-accent: #cfcecd;
  --color-accent-hover: #f1ecec;
  --color-accent-ink: #211e1e;
  --color-accent-soft: rgba(75, 70, 70, 0.16);
  --color-accent-border: #4b4646;
  --color-link: #cfcecd;
  --color-link-hover: #f1ecec;

  --font-system-ui: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --page-max-width: 1200px;

  --radius-sm: 6px;
  --radius-md: 8px;

  --text-body: 16px;
  --leading-body: 1.63;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scrollbar-color: var(--color-iron) var(--color-void);
  scroll-behavior: smooth;
}

body {
  background: var(--color-void);
  color: var(--color-pearl);
  font-family: var(--font-system-ui);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  -webkit-font-smoothing: antialiased;
}

a {
  text-decoration: none;
}

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

button {
  font-family: inherit;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(17, 17, 17, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-iron);
}

.nav-inner {
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  height: 60px;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
  flex-shrink: 0;
}

.nav-link {
  padding: 8px 12px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-paper);
  transition: color 0.15s ease, background 0.15s ease;
}

.nav-link:hover {
  color: var(--color-accent-hover);
}

.nav-link.active {
  color: var(--color-link);
  background: var(--color-accent-soft);
}

.nav-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 18px;
  margin-left: 8px;
  padding: 0 6px;
  border-radius: 9px;
  background: var(--color-iron);
  color: var(--color-ash);
  font-size: 11px;
  font-weight: 600;
  line-height: 1;
}

.nav-link:hover .nav-count {
  color: var(--color-bone);
}

.nav-link.active .nav-count {
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

.nav-drop {
  position: relative;
}

.nav-drop-toggle {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  cursor: pointer;
}

.nav-chevron {
  width: 8px;
  height: 8px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
}

.nav-drop-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  z-index: 120;
  min-width: 200px;
  padding: 6px;
  display: none;
  flex-direction: column;
  gap: 2px;
  background: var(--color-obsidian);
  border: 1px solid var(--color-iron);
  border-radius: var(--radius-md);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.45);
}

.nav-drop.open .nav-drop-menu {
  display: flex;
}

.nav-drop-menu .nav-link {
  border-radius: var(--radius-sm);
  padding: 8px 12px;
}

.container {
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.home {
  min-height: calc(100vh - 60px);
  max-width: 1080px;
  margin: 0 auto;
  padding: 64px 24px 96px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 72px;
  align-items: center;
}

.home-brand {
  animation: fadeUp 0.4s ease both;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.home-logo {
  width: 84px;
  height: 84px;
  margin-bottom: 24px;
}

.home h1 {
  font-size: 56px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -1.4px;
  color: var(--color-paper);
  margin-bottom: 16px;
}

.home-stats {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 20px;
  padding: 7px 16px;
  border: 1px solid var(--color-iron);
  border-radius: 12px;
  background: var(--color-obsidian);
}

.home-count {
  font-size: 20px;
  font-weight: 700;
  line-height: 1;
  color: var(--color-paper);
}

.home-count-label {
  font-size: 13px;
  color: var(--color-ash);
}

.resources-head {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 2.2px;
  text-transform: uppercase;
  color: var(--color-fog);
  margin: 28px 0 18px;
  padding-top: 18px;
  border-top: 1px solid var(--color-iron);
}

.resources-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.resource {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--color-obsidian);
  border: 1px solid var(--color-iron);
  border-radius: var(--radius-md);
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}

.resource:hover {
  background: var(--color-graphite);
  border-color: var(--color-steel);
}

.resource-go {
  border-color: var(--color-accent-border);
}

.resource-go:hover {
  border-color: var(--color-accent);
}

.resource-icon-go {
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

.resource-icon-go svg {
  width: 15px;
  height: 15px;
}

.resource-icon {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.resource-icon svg {
  width: 16px;
  height: 16px;
  display: block;
}

.resource-title {
  flex: 1;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-pearl);
}

.resource-arrow {
  color: var(--color-fog);
  font-size: 18px;
  line-height: 1;
}

.page-top {
  display: flex;
  justify-content: center;
  margin-top: 32px;
}

.page-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border: 1px solid var(--color-iron);
  border-radius: 12px;
  color: var(--color-pearl);
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.page-link:hover {
  color: var(--color-link);
  border-color: var(--color-steel);
  background: var(--color-graphite);
}

.section-head {
  margin-bottom: 32px;
}

.section-head h2 {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.5px;
  color: var(--color-paper);
  margin-bottom: 8px;
}

.section-head p {
  font-size: 18px;
  line-height: 1.56;
  color: var(--color-ash);
}

.eyebrow {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 2.2px;
  text-transform: uppercase;
  color: var(--color-fog);
  margin-bottom: 16px;
}

.toolbar {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 24px;
}

.search {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--color-obsidian);
  border: 1px solid var(--color-steel);
  border-radius: var(--radius-md);
  padding: 0 12px;
  transition: border-color 0.15s ease;
}

.search:focus-within {
  border-color: var(--color-accent);
}

.search svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: var(--color-ash);
  stroke-width: 1.5;
  stroke-linecap: round;
  flex-shrink: 0;
}

.search input {
  flex: 1;
  height: 36px;
  border: none;
  outline: none;
  background: transparent;
  color: var(--color-pearl);
  font-size: 14px;
}

.search input::placeholder {
  color: var(--color-fog);
}

.chips {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.chip {
  height: 32px;
  padding: 0 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-slate);
  background: transparent;
  color: var(--color-ash);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
  display: inline-flex;
  align-items: center;
}

.chip-count {
  margin-left: 8px;
  font-size: 11px;
  font-weight: 600;
  line-height: 1;
  color: var(--color-fog);
}

.chip:hover .chip-count {
  color: var(--color-ash);
}

.chip.active .chip-count,
.chip.active-tag .chip-count {
  color: rgba(22, 22, 22, 0.55);
}

.chip:hover {
  color: var(--color-pearl);
  border-color: var(--color-steel);
}

.chip.chip-tag {
  border-color: var(--tg, var(--color-slate));
}

.chip.chip-tag:hover {
  color: var(--color-pearl);
  border-color: var(--tg, var(--color-slate));
}

.chip.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-accent-ink);
}

.chip.active-tag {
  background: var(--tg, var(--color-accent));
  border-color: var(--tg, var(--color-accent));
  color: #161616;
}

.chip.active-tag .chip-count {
  color: rgba(22, 22, 22, 0.55);
}

.feed {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  margin-bottom: 64px;
}

.card {
  display: flex;
  flex-direction: column;
  background: var(--color-obsidian);
  border: 1px solid var(--color-iron);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.15s ease, background 0.15s ease;
  animation: fadeUp 0.4s ease both;
}

.card:hover {
  border-color: var(--color-steel);
  background: var(--color-graphite);
}

.card-media {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-iron);
  padding: 12px;
}

.card-media img {
  width: 100%;
  height: auto;
  max-height: 160px;
  object-fit: contain;
}

.card-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px 20px 20px;
  flex: 1;
}

.card-title {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--color-paper);
}

.card-meta {
  display: flex;
  align-items: center;
  margin-top: auto;
}

.tag {
  display: inline-flex;
  align-items: center;
  height: 24px;
  padding: 0 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--tg-border, var(--color-accent-border));
  background: var(--tg-soft, var(--color-accent-soft));
  color: var(--tg, var(--color-bone));
  font-size: 12px;
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
}

.crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-ash);
  margin-bottom: 16px;
}

.crumbs a {
  color: var(--color-ash);
  transition: color 0.15s ease;
}

.crumbs a:hover {
  color: var(--color-link);
}

.crumbs span {
  color: var(--color-pearl);
}

.crumbs-sep {
  color: var(--color-iron);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 8px;
  font-size: 14px;
  color: var(--color-ash);
  transition: color 0.15s ease;
}

.back-link:hover {
  color: var(--color-link);
}

.article {
  max-width: 760px;
  margin: 0 auto;
  padding-top: 40px;
  padding-bottom: 48px;
}

.article-cover {
  display: flex;
  justify-content: center;
  margin-bottom: 24px;
}

.article-cover img {
  max-height: 200px;
  height: auto;
  object-fit: contain;
  border: 1px solid var(--color-iron);
  border-radius: var(--radius-md);
}

.article-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.article-head .tag {
  margin-top: 7px;
  flex-shrink: 0;
}

.article-head-side {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.copy-link {
  position: relative;
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-iron);
  border-radius: var(--radius-md);
  background: var(--color-obsidian);
  color: var(--color-ash);
  cursor: pointer;
  flex-shrink: 0;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.copy-link:hover {
  color: var(--color-paper);
  border-color: var(--color-steel);
  background: var(--color-graphite);
}

.copy-link svg {
  width: 15px;
  height: 15px;
  display: block;
}

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

.copy-hint {
  position: absolute;
  top: -28px;
  right: 0;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  background: var(--color-accent);
  color: var(--color-accent-ink);
  font-size: 11px;
  white-space: nowrap;
  animation: fadeUp 0.2s ease both;
}

.article-title {
  font-size: 24px;
  font-weight: 700;
  line-height: 1.33;
  letter-spacing: -0.01em;
  color: var(--color-paper);
}

.article-body p {
  margin-bottom: 16px;
}

.article-body h1,
.article-body h2 {
  font-size: 24px;
  font-weight: 700;
  line-height: 1.33;
  letter-spacing: -0.01em;
  color: var(--color-paper);
  margin: 24px 0 12px;
}

.article-body h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-pearl);
  margin: 20px 0 10px;
}

.article-body h4,
.article-body h5,
.article-body h6 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-pearl);
  margin: 16px 0 8px;
}

.article-body a {
  color: var(--color-link);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.15s ease;
}

.article-body a:hover {
  color: var(--color-link-hover);
}

.article-body ul,
.article-body ol {
  margin: 0 0 16px;
  padding-left: 24px;
  color: var(--color-bone);
}

.article-body li {
  margin-bottom: 8px;
}

.article-body strong {
  color: var(--color-paper);
  font-weight: 600;
}

.article-body code {
  font-family: var(--font-mono);
  font-size: 0.86em;
  background: var(--color-obsidian);
  border: 1px solid var(--color-iron);
  border-radius: var(--radius-sm);
  padding: 2px 6px;
  color: var(--color-link);
}

.article-body pre {
  background: var(--color-obsidian);
  border: 1px solid var(--color-iron);
  border-radius: var(--radius-md);
  padding: 16px;
  margin: 0 0 16px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
}

.article-body pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--color-pearl);
  font-size: 13px;
}

.article-body blockquote {
  border-left: 2px solid var(--color-accent);
  padding: 4px 16px;
  margin: 0 0 16px;
  color: var(--color-ash);
  background: var(--color-obsidian);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.article-body img {
  width: 100%;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-iron);
  margin: 16px 0;
}

.article-body hr {
  border: none;
  height: 1px;
  background: var(--color-iron);
  margin: 24px 0;
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 16px;
  font-size: 14px;
}

.article-body th,
.article-body td {
  padding: 10px 12px;
  border: 1px solid var(--color-iron);
  text-align: left;
  color: var(--color-bone);
}

.article-body th {
  background: var(--color-obsidian);
  font-weight: 600;
  color: var(--color-paper);
}

.article-nav {
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  gap: 16px;
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--color-iron);
}

.article-nav > span {
  flex: 1;
}

.article-nav-link {
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: 46%;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  font-size: 14px;
  color: var(--color-ash);
  transition: color 0.15s ease, background 0.15s ease;
}

.article-nav-link:hover {
  color: var(--color-link);
  background: var(--color-graphite);
}

.article-nav-link.next {
  margin-left: auto;
  text-align: right;
}

.article-nav-link > span:not([aria-hidden]) {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.empty {
  padding: 48px 0;
  text-align: center;
  color: var(--color-ash);
  font-size: 14px;
}

.wipe {
  position: fixed;
  z-index: 300;
  background: var(--color-accent);
  border-radius: 12px;
  opacity: 0;
  pointer-events: none;
  transition: width 0.22s cubic-bezier(0.65, 0, 0.35, 1),
    height 0.22s cubic-bezier(0.65, 0, 0.35, 1),
    left 0.22s cubic-bezier(0.65, 0, 0.35, 1),
    top 0.22s cubic-bezier(0.65, 0, 0.35, 1),
    border-radius 0.22s cubic-bezier(0.65, 0, 0.35, 1),
    opacity 0.14s ease;
}

.wipe.open {
  left: 0;
  top: 0;
  width: 100vw;
  height: 100vh;
  border-radius: 0;
  opacity: 1;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

main {
  animation: fadeIn 0.35s ease both;
}

.loading {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
  min-height: 30vh;
}

.loading span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  opacity: 0.25;
  animation: loadingPulse 1.2s ease-in-out infinite;
}

.loading span:nth-child(2) {
  animation-delay: 0.2s;
}

.loading span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes loadingPulse {
  0%,
  100% {
    opacity: 0.25;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.2);
  }
}

.home-build {
  display: flex;
  justify-content: center;
  padding: 48px 24px 64px;
  font-size: 12px;
  letter-spacing: 0.3px;
  color: var(--color-fog);
}

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

  .home-brand,
  .card,
  .wipe,
  main,
  .loading span {
    animation: none;
    transition: none;
  }
}

@media (max-width: 900px) {
  .nav-inner {
    gap: 12px;
    padding-left: 16px;
    padding-right: 16px;
  }

  .nav-link {
    padding: 8px 10px;
    font-size: 13px;
  }

  .nav-right {
    gap: 2px;
  }

  .home {
    grid-template-columns: 1fr;
    gap: 48px;
    padding: 48px 16px 96px;
  }

  .home-logo {
    width: 64px;
    height: 64px;
  }

  .home h1 {
    font-size: 40px;
    letter-spacing: -1px;
  }

  .resources {
    border-left: none;
    padding-left: 0;
  }

  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .section-head h2 {
    font-size: 28px;
  }
}

@media (max-width: 560px) {
  .nav-inner {
    gap: 8px;
  }

  .nav-link {
    padding: 8px 8px;
    font-size: 13px;
  }

  .home h1 {
    font-size: 36px;
  }
}