:root {
  --bg: #0a0a0f;
  --surface: #12121a;
  --surface2: #1a1a26;
  --border: #ffffff12;
  --border2: #ffffff22;
  --text: #f0f0f8;
  --muted: #8888aa;
  --accent: #7c6af7;
  --accent2: #a594fa;
  --green: #22d3a0;
  --orange: #e8950a;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  min-height: 100vh;
  padding: 2rem;
}
.topbar {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.7rem 1.2rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border2);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
}
.back-link {
  font-family: 'DM Mono', monospace;
  font-size: 0.78rem;
  color: var(--accent2);
  text-decoration: none;
}
.back-link:hover { color: var(--accent); }
.topbar-sep { color: var(--muted); font-size: 0.7rem; }
.topbar-title {
  font-family: 'Syne', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}
.lang-toggle {
  margin-left: auto;
  font-family: 'DM Mono', monospace;
  font-size: 0.72rem;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid var(--border2);
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  transition: color 0.15s, border-color 0.15s;
}
.lang-toggle:hover { color: var(--accent2); border-color: var(--accent2); }
.content {
  max-width: 720px;
  margin: 5rem auto 3rem;
}
.page-header {
  margin-bottom: 2.5rem;
}
.page-eyebrow {
  font-family: 'DM Mono', monospace;
  font-size: 0.72rem;
  color: var(--accent2);
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
}
.page-title {
  font-family: 'Syne', sans-serif;
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}
.page-desc {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.6;
}

/* Version entry */
.version-entry {
  position: relative;
  padding-left: 1.8rem;
  margin-bottom: 2.5rem;
}
.version-entry::before {
  content: '';
  position: absolute;
  left: 5px;
  top: 0;
  bottom: -2.5rem;
  width: 1px;
  background: var(--border2);
}
.version-entry:last-child::before {
  bottom: 0;
}
.version-dot {
  position: absolute;
  left: 0;
  top: 6px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg);
  z-index: 1;
}
.version-entry:first-child .version-dot {
  background: var(--green);
}
.version-header {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  margin-bottom: 0.8rem;
  flex-wrap: wrap;
}
.version-tag {
  font-family: 'DM Mono', monospace;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}
.version-date {
  font-family: 'DM Mono', monospace;
  font-size: 0.72rem;
  color: var(--muted);
}
.version-badge-latest {
  font-family: 'DM Mono', monospace;
  font-size: 0.62rem;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  background: rgba(34,211,160,0.10);
  border: 1px solid rgba(34,211,160,0.3);
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.version-body {
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: 12px;
  padding: 1.2rem 1.4rem;
}
.change-category {
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--accent2);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 1rem;
  margin-bottom: 0.4rem;
}
.change-category:first-child {
  margin-top: 0;
}
.change-list {
  list-style: none;
  padding: 0;
}
.change-list li {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.6;
  padding: 0.15rem 0;
  padding-left: 1rem;
  position: relative;
}
.change-list li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--accent2);
  font-weight: 700;
}
.change-link {
  color: var(--accent2);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s;
}
.change-link:hover {
  border-bottom-color: var(--accent2);
}