:root {
  --openenv-bg: #050608;
  --openenv-panel: #0c0e16;
  --openenv-panel-light: #101222;
  --openenv-border: rgba(255, 255, 255, 0.08);
  --openenv-muted: #c5c8d8;
  --openenv-bright: #f7f7fb;
  --openenv-card-hover: #15182a;
  --openenv-sidebar-width: 320px;
}

[data-md-color-scheme="slate"] {
  --md-default-bg-color: var(--openenv-bg);
  --md-default-fg-color: var(--openenv-bright);
  --md-default-fg-color--light: var(--openenv-bright);
  --md-typeset-color: var(--openenv-muted);
  --md-typeset-a-color: var(--openenv-bright);
  --md-primary-fg-color: var(--openenv-bright);
  --md-accent-fg-color: var(--openenv-bright);
  --md-primary-bg-color: var(--openenv-bg);
  --md-code-bg-color: #0f111f;
  --md-code-fg-color: var(--openenv-bright);
  --md-footer-bg-color: var(--openenv-bg);
  --md-footer-fg-color: var(--openenv-muted);
  --md-shadow-z1: 0 10px 40px rgba(0, 0, 0, 0.45);
}

body {
  background-color: var(--openenv-bg);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--openenv-bright);
}

.md-header {
  background: var(--openenv-bg);
  border-bottom: 1px solid var(--openenv-border);
  box-shadow: none;
}

.md-header__title {
  font-weight: 600;
  letter-spacing: 0.02em;
}

.md-tabs {
  background: var(--openenv-bg);
  border-bottom: 1px solid var(--openenv-border);
}

.md-main__inner,
.md-content,
.md-content__inner,
.md-typeset {
  background: var(--openenv-bg);
}


.md-typeset h1,
.md-typeset h2,
.md-typeset h3,
.md-typeset h4 {
  color: var(--openenv-bright);
  font-weight: 600;
}

.md-typeset a {
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.md-typeset a:hover {
  border-color: var(--openenv-bright);
}

.md-sidebar--primary,
.md-sidebar--secondary,
.md-sidebar__scrollwrap,
.md-sidebar__inner,
.md-nav--primary {
  border-right: none;
  box-shadow: none;
}

.md-nav__title {
  display: none;
}

.md-nav__title--site {
  display: none;
}

.md-nav__title,
.md-nav__link,
.md-nav__item .md-nav__link {
  color: var(--openenv-muted);
}

.md-nav__item--nested > .md-nav__link {
  font-weight: 600;
  color: var(--openenv-bright);
}

.md-nav__item .md-nav__link svg {
  stroke: var(--openenv-muted);
}

.md-nav__item--nested > .md-nav__link {
  position: relative;
  padding-right: 2.5rem;
}

.md-nav__item--nested > .md-nav__link .md-nav__icon {
  display: none;
}

.md-nav__item--nested > .md-nav__link::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 0.85rem;
  width: 0.55rem;
  height: 0.55rem;
  /* border-right: 2px solid var(--openenv-muted);
  border-bottom: 2px solid var(--openenv-muted); */
  transform: translateY(-60%) rotate(-45deg);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.md-nav__item--nested > input:checked + .md-nav__link::after {
  transform: translateY(-40%) rotate(45deg);
}

.md-nav__item--nested > .md-nav__link:hover::after,
.md-nav__item--active.md-nav__item--nested > .md-nav__link::after {
  border-color: var(--openenv-bright);
}

.md-header__title {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.md-header__title .md-header__topic:first-child span {
  color: var(--openenv-muted);
}

.hero {
  display: grid;
  gap: 1.5rem;
  padding: clamp(2rem, 4vw, 3.5rem);
  border-radius: 0.25rem;
  background: radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.08), transparent 45%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.05), rgba(7, 9, 15, 0.65));
  border: 1px solid var(--openenv-border);
  margin-bottom: clamp(2rem, 4vw, 3.5rem);
}

.hero__title {
  font-size: clamp(2rem, 3vw, 2.8rem);
  margin: 0;
}

.hero__subtitle {
  max-width: 48ch;
  color: var(--openenv-muted);
  margin: 0;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero__button {
  border-radius: 999px;
  padding: 0.65rem 1.75rem;
  border: 1px solid var(--openenv-border);
  color: var(--openenv-bright);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: background 0.2s ease, transform 0.2s ease;
}

.hero__button--primary {
  background: rgba(255, 255, 255, 0.08);
}

.hero__button:hover {
  background: var(--openenv-card-hover);
  transform: translateY(-2px);
}

.md-typeset code {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 0.35rem;
  padding: 0.15rem 0.4rem;
}

.md-typeset pre {
  border-radius: 0.8rem;
  border: 1px solid var(--openenv-border);
}

.md-button,
.md-typeset .md-button {
  border: 1px solid var(--openenv-border);
  border-radius: 999px;
  color: var(--openenv-bright);
  background: transparent;
  text-transform: none;
  padding: 0.5rem 1.25rem;
  transition: background 0.2s ease, transform 0.2s ease;
}

.md-button:hover,
.md-typeset .md-button:hover {
  background: var(--openenv-card-hover);
  transform: translateY(-1px);
}

.md-footer {
  border-top: 1px solid var(--openenv-border);
}

.md-search__form {
  background: rgba(255, 255, 255, 0.08);
  width: 100%;
  float: right;
}

/* Environment grid */

.environment-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: clamp(1rem, 3vw, 1.75rem);
  margin: 2rem 0 3.5rem;
  list-style: none;
  padding: 0;
}

.environment-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  background: var(--openenv-panel);
  border-radius: 1rem;
  padding: 1.5rem;
  min-height: 190px;
  overflow: hidden;
}

.environment-card__name {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--openenv-bright);
}

.environment-card__tag {
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--openenv-muted);
}

.environment-card__description {
  color: var(--openenv-muted);
  line-height: 1.4;
  margin: 0;
}

.environment-card__body {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
}

.environment-card__links {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: auto;
}

.environment-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 0.6rem;
  border: 1px solid var(--openenv-border);
  background: rgba(255, 255, 255, 0.02);
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.environment-card__icon svg {
  width: 1.1rem;
  height: 1.1rem;
  color: var(--openenv-muted);
}

.environment-card__icon--hf img {
  width: 1.25rem;
  height: auto;
}

.environment-card__icon:hover {
  border-color: rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-1px);
}