:root {
  color-scheme: dark;
  --font-family-base: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --bg-primary: #121212;
  --bg-secondary: #1e1e1e;
  --bg-tertiary: #252525;
  --text-primary: #e0e0e0;
  --text-secondary: #a0a0a0;
  --text-heading: #ffffff;
  --link-color: #90caf9;
  --border-color: #3a3a3a;
  --accent-color: #f5c54a;
  --accent-color-text: #000000;
  --success-color: #56d149;
  --danger-color: #bd2c2c;
  --radius: 8px;
  --shadow: 0 16px 42px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 20% 0%, rgba(144, 202, 249, 0.1), transparent 28rem),
    radial-gradient(circle at 86% 12%, rgba(245, 197, 74, 0.08), transparent 26rem),
    var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-family-base);
  font-size: 16px;
  font-weight: var(--font-weight-regular);
  line-height: 1.6;
  -webkit-tap-highlight-color: rgba(245, 197, 74, 0.22);
}

a {
  color: var(--link-color);
  text-decoration-color: rgba(144, 202, 249, 0.55);
  text-underline-offset: 0.2em;
  touch-action: manipulation;
  transition: background-color 150ms ease-out, border-color 150ms ease-out, color 150ms ease-out, box-shadow 150ms ease-out, transform 150ms ease-out;
}

a:hover {
  color: #b7ddff;
  text-decoration-color: currentColor;
}

a:focus-visible,
.table-region:focus-visible {
  outline: 2px solid var(--accent-color);
  outline-offset: 3px;
}

code {
  border: 1px solid #454545;
  border-radius: 5px;
  padding: 0.08rem 0.32rem;
  background: #161616;
  color: #f2f2f2;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.9em;
  overflow-wrap: anywhere;
}

h1,
h2,
h3,
p {
  margin-block-start: 0;
}

h1,
h2,
h3 {
  color: var(--text-heading);
  font-weight: var(--font-weight-semibold);
  line-height: 1.22;
  text-wrap: balance;
}

h1 {
  margin-block-end: 0.75rem;
  font-size: clamp(2rem, 5vw, 3rem);
}

h2 {
  margin-block: 2rem 0.75rem;
  font-size: clamp(1.35rem, 3vw, 1.75rem);
}

h3 {
  margin-block: 1.35rem 0.55rem;
  font-size: 1.08rem;
}

p,
li,
dd,
td,
th {
  text-wrap: pretty;
}

[id] {
  scroll-margin-top: 5rem;
}

.skip-link {
  position: fixed;
  inset-block-start: 0.75rem;
  inset-inline-start: 0.75rem;
  z-index: 20;
  border: 1px solid var(--accent-color);
  border-radius: var(--radius);
  padding: 0.55rem 0.8rem;
  background: var(--accent-color);
  color: var(--accent-color-text);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  transform: translateY(-140%);
}

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

.layout-container {
  min-height: 100vh;
}

.site-header {
  position: sticky;
  inset-block-start: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid var(--border-color);
  padding: calc(10px + env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) 10px max(16px, env(safe-area-inset-left));
  background: rgba(18, 18, 18, 0.92);
  backdrop-filter: blur(12px);
}

.left-section,
.main-nav,
.right-section {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.main-nav {
  flex-wrap: wrap;
}

.nav-item {
  display: inline-flex;
  align-items: center;
  min-width: 0;
  min-height: 36px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 6px 10px;
  color: var(--text-primary);
  font-weight: var(--font-weight-medium);
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
}

.nav-item:hover,
.nav-item[aria-current="page"] {
  border-color: var(--border-color);
  background: var(--bg-secondary);
  color: var(--text-heading);
}

.website-link {
  gap: 8px;
  font-weight: var(--font-weight-semibold);
}

.logo-mark {
  width: 24px;
  height: 24px;
  border-radius: 50%;
}

.nav-separator {
  width: 1px;
  height: 24px;
  background: var(--border-color);
}

.page-container {
  width: min(100% - 32px, 1120px);
  margin-inline: auto;
  padding: clamp(28px, 5vw, 56px) 0 calc(64px + env(safe-area-inset-bottom));
}

.hero-panel,
.content-card,
.list-shell,
.dataset-card-layout,
.table-region,
.profile-card {
  border: 1px solid var(--border-color);
  border-radius: 14px;
  background: rgba(30, 30, 30, 0.88);
  box-shadow: var(--shadow);
}

.hero-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(190px, 260px);
  gap: clamp(20px, 5vw, 52px);
  align-items: center;
  padding: clamp(22px, 5vw, 42px);
}

.hero-copy {
  min-width: 0;
}

.hero-copy p:last-child,
.content-card p:last-child {
  margin-block-end: 0;
}

.eyebrow {
  margin-block-end: 0.65rem;
  color: var(--accent-color);
  font-size: 0.78rem;
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.lede {
  max-width: 62ch;
  margin-block-end: 1.25rem;
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.hero-logo {
  justify-self: center;
  width: min(100%, 220px);
  height: auto;
  border: 1px solid var(--border-color);
  border-radius: 24px;
  background: #181818;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 8px 12px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 14px;
  font-weight: var(--font-weight-medium);
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
}

.button:hover {
  border-color: var(--link-color);
  background: #292929;
  color: var(--text-heading);
}

.button.primary {
  border-color: var(--accent-color);
  background: var(--accent-color);
  color: var(--accent-color-text);
}

.button.primary:hover {
  border-color: #f7d16a;
  background: #f7d16a;
  color: #000000;
}

.button.td {
  border-color: var(--success-color);
  background: var(--success-color);
  color: #061306;
}

.button.danger {
  border-color: var(--danger-color);
  background: linear-gradient(to top, #a12626, #5a1b1b);
  color: var(--text-heading);
}

.section-title {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-block: 28px 12px;
}

.section-title h2 {
  margin: 0;
}

.section-title p {
  margin: 0;
  color: var(--text-secondary);
}

.list-shell {
  overflow: hidden;
}

.list-item-row {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  border-bottom: 1px solid var(--border-color);
  padding: 12px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  text-decoration: none;
}

.list-item-row:last-child {
  border-bottom: 0;
}

.list-item-row:hover {
  background: #292929;
  color: var(--text-primary);
}

.row-avatar {
  width: 24px;
  height: 24px;
  flex: 0 0 auto;
  border: 1px solid var(--border-color);
  border-radius: 50%;
  background: var(--bg-primary);
  object-fit: cover;
}

.row-content {
  display: flex;
  min-width: 0;
  flex: 1;
  flex-direction: column;
  gap: 3px;
}

.row-primary-info,
.row-metadata {
  display: flex;
  align-items: baseline;
  min-width: 0;
  gap: 5px;
}

.row-primary-info {
  color: var(--text-primary);
  font-size: 0.95rem;
  line-height: 1.3;
}

.owner-name,
.separator,
.row-metadata {
  color: var(--text-secondary);
}

.item-name {
  min-width: 0;
  overflow: hidden;
  color: var(--text-heading);
  font-weight: var(--font-weight-medium);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.row-metadata {
  flex-wrap: wrap;
  font-size: 0.78rem;
  line-height: 1.3;
}

.row-description {
  margin: 3px 0 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
  overflow-wrap: anywhere;
}

.metadata-dot::before {
  content: "•";
  color: #6f6f6f;
}

.content-card,
.profile-card {
  padding: clamp(18px, 4vw, 28px);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-block: 18px 0;
}

.stat-card {
  min-width: 0;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 12px;
  background: #181818;
}

.stat-card dt,
.meta-list dt {
  color: var(--text-secondary);
  font-size: 0.74rem;
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.stat-card dd,
.meta-list dd {
  margin: 3px 0 0;
}

.stat-card dd {
  color: var(--text-heading);
  font-size: 1.1rem;
  font-variant-numeric: tabular-nums;
  font-weight: var(--font-weight-semibold);
}

.dataset-card-layout {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  padding: clamp(18px, 4vw, 28px);
}

.readme-column {
  min-width: 0;
  flex: 1 1 auto;
}

.actions-column {
  position: sticky;
  inset-block-start: 82px;
  display: flex;
  width: min(100%, 300px);
  flex: 0 0 300px;
  flex-direction: column;
  gap: 10px;
}

.download-box {
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 12px;
  background: #181818;
}

.download-box h2 {
  margin-block-start: 0;
}

.download-box .button {
  width: 100%;
  margin-block-start: 8px;
}

.meta-list {
  display: grid;
  gap: 10px;
  margin: 16px 0 0;
}

.hash-value {
  display: block;
  max-width: 100%;
  overflow-wrap: anywhere;
}

.readme-column ul,
.readme-column ol {
  padding-inline-start: 1.35rem;
}

.readme-column li {
  margin-block: 0.25rem;
}

.readme-column table,
table {
  width: 100%;
  border-collapse: collapse;
}

.table-region {
  overflow-x: auto;
}

table {
  min-width: 780px;
}

caption {
  padding: 14px 16px 0;
  color: var(--text-secondary);
  text-align: left;
}

th,
td {
  border-bottom: 1px solid var(--border-color);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}

thead th {
  color: var(--text-heading);
  font-size: 0.78rem;
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

tbody tr:hover {
  background: rgba(255, 255, 255, 0.035);
}

.num {
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.tag-list li {
  border: 1px solid var(--border-color);
  border-radius: 999px;
  padding: 3px 8px;
  background: #181818;
  color: var(--text-secondary);
  font-size: 0.78rem;
}

.site-footer {
  border-top: 1px solid var(--border-color);
  padding: 18px max(16px, env(safe-area-inset-right)) calc(18px + env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.site-footer-inner {
  display: flex;
  width: min(100%, 1120px);
  margin-inline: auto;
  justify-content: space-between;
  gap: 16px;
}

@media (max-width: 820px) {
  .site-header,
  .site-footer-inner,
  .dataset-card-layout,
  .hero-panel,
  .section-title {
    align-items: stretch;
    flex-direction: column;
  }

  .site-header {
    position: static;
  }

  .left-section {
    flex-wrap: wrap;
  }

  .nav-separator {
    display: none;
  }

  .main-nav {
    width: 100%;
  }

  .nav-item {
    flex: 1 1 auto;
    justify-content: center;
  }

  .hero-panel {
    display: flex;
  }

  .hero-logo {
    width: 150px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .actions-column {
    position: static;
    width: 100%;
    flex-basis: auto;
    order: -1;
  }
}

@media (max-width: 520px) {
  .page-container {
    width: min(100% - 20px, 1120px);
  }

  .button-row,
  .row-primary-info,
  .row-metadata {
    align-items: flex-start;
  }

  .button,
  .button-row {
    width: 100%;
  }

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

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

  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 1ms !important;
  }
}