:root {
  --md-primary: #448aff;
  --md-primary-dark: #2962ff;
  --md-accent: #536dfe;
  --md-bg: #1e2129;
  --md-bg-elevated: #272a33;
  --md-bg-card: #2d313c;
  --md-text: #e8eaed;
  --md-text-muted: #9aa0a6;
  --md-border: #3c4048;
  --md-link: #82b1ff;
  --md-link-hover: #b3d4ff;
  --md-radius: 6px;
  --md-font: "Roboto", system-ui, -apple-system, sans-serif;
  --md-mono: "Roboto Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--md-font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--md-text);
  background: var(--md-bg);
  min-height: 100vh;
}

a {
  color: var(--md-link);
  text-decoration: none;
}
a:hover { color: var(--md-link-hover); text-decoration: underline; }

.site-header {
  background: var(--md-bg-elevated);
  border-bottom: 1px solid var(--md-border);
  padding: 0.75rem 1.5rem;
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header__inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.site-header__logo { height: 36px; width: auto; }

.site-header__title {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--md-text);
}

.site-header__nav {
  margin-left: auto;
  display: flex;
  gap: 1.25rem;
  font-size: 0.9rem;
}

.site-header__nav a { color: var(--md-text-muted); }
.site-header__nav a:hover { color: var(--md-link); text-decoration: none; }

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

h1 {
  font-size: 1.75rem;
  font-weight: 400;
  margin: 0 0 0.5rem;
  color: var(--md-text);
}

h2 {
  font-size: 1.25rem;
  font-weight: 500;
  margin: 2rem 0 0.75rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--md-border);
}

h3 { font-size: 1rem; font-weight: 500; margin: 0; }

.lead {
  font-size: 1.05rem;
  color: var(--md-text-muted);
  margin: 0 0 1.5rem;
}

.card {
  background: var(--md-bg-card);
  border: 1px solid var(--md-border);
  border-radius: var(--md-radius);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.25rem;
}

.card--highlight {
  border-color: var(--md-primary);
  border-left: 4px solid var(--md-primary);
}

.quick-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin: 1rem 0;
}

.quick-link {
  background: var(--md-bg-elevated);
  border: 1px solid var(--md-border);
  border-radius: var(--md-radius);
  padding: 1rem 1.25rem;
  transition: border-color 0.15s;
}
.quick-link:hover { border-color: var(--md-primary); }
.quick-link p { margin: 0 0 0.75rem; font-size: 0.875rem; color: var(--md-text-muted); }
.quick-link .btn {
  display: inline-block;
  font-size: 0.85rem;
  padding: 0.35rem 0.85rem;
  background: var(--md-primary);
  color: #fff;
  border-radius: 4px;
  text-decoration: none;
}
.quick-link .btn:hover { background: var(--md-primary-dark); color: #fff; text-decoration: none; }

.btn {
  display: inline-block;
  font-size: 0.85rem;
  padding: 0.35rem 0.85rem;
  background: var(--md-primary);
  color: #fff;
  border-radius: 4px;
  text-decoration: none;
}
.btn:hover { background: var(--md-primary-dark); color: #fff; text-decoration: none; }

.sources-cta { margin-top: 1.5rem; }

.btn--sm {
  display: inline-block;
  font-size: 0.78rem;
  padding: 0.2rem 0.6rem;
  background: var(--md-primary);
  color: #fff;
  border-radius: 4px;
  text-decoration: none;
  white-space: nowrap;
}
.btn--sm:hover { background: var(--md-primary-dark); color: #fff; text-decoration: none; }

.file-table .actions { text-align: right; }

details {
  border: 1px solid var(--md-border);
  border-radius: var(--md-radius);
  margin-bottom: 0.5rem;
  background: var(--md-bg-elevated);
}

details[open] { background: var(--md-bg-card); }

summary {
  cursor: pointer;
  padding: 0.65rem 1rem;
  font-weight: 500;
  list-style: none;
  user-select: none;
}
summary::-webkit-details-marker { display: none; }
summary::before {
  content: "▸";
  display: inline-block;
  margin-right: 0.5rem;
  color: var(--md-primary);
  transition: transform 0.15s;
}
details[open] > summary::before { transform: rotate(90deg); }

.details-body {
  padding: 0 1rem 0.75rem 1.75rem;
  border-top: 1px solid var(--md-border);
}

.details-body ul {
  margin: 0.5rem 0;
  padding-left: 1.25rem;
}

.details-body li { margin: 0.25rem 0; }

.distro-list {
  list-style: none;
  margin: 0.5rem 0;
  padding: 0;
}

.distro-list__item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--md-border);
}

.distro-list__item:last-child { border-bottom: none; }

.distro-list__name {
  flex: 1 1 11rem;
  font-weight: 500;
  color: var(--md-text);
}

.distro-list__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
}

.file-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.file-table th {
  text-align: left;
  padding: 0.5rem 0.75rem;
  border-bottom: 2px solid var(--md-border);
  color: var(--md-text-muted);
  font-weight: 500;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.file-table td {
  padding: 0.45rem 0.75rem;
  border-bottom: 1px solid var(--md-border);
}

.file-table tr:hover td { background: var(--md-bg-elevated); }

.file-table .meta {
  color: var(--md-text-muted);
  font-family: var(--md-mono);
  font-size: 0.82rem;
  white-space: nowrap;
}

.badge {
  display: inline-block;
  font-size: 0.75rem;
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
  background: var(--md-primary);
  color: #fff;
  font-weight: 500;
  vertical-align: middle;
  margin-left: 0.35rem;
}

.badge--stable { background: #43a047; }
.badge--testing { background: #fb8c00; }

.note {
  font-size: 0.9rem;
  color: var(--md-text-muted);
  margin: 0.75rem 0 0;
}

.note code, code {
  font-family: var(--md-mono);
  font-size: 0.85em;
  background: var(--md-bg);
  padding: 0.1rem 0.35rem;
  border-radius: 3px;
}

.site-footer {
  max-width: 960px;
  margin: 0 auto;
  padding: 1.5rem;
  border-top: 1px solid var(--md-border);
  font-size: 0.85rem;
  color: var(--md-text-muted);
  text-align: center;
}