/* Full main.css */
:root {
  --bg: #111827;
  --bg-elevated: #020617;
  --bg-panel: #0b1220;
  --border-subtle: #1f2937;
  --accent: #22c55e;
  --accent-soft: rgba(34, 197, 94, 0.12);
  --text-main: #e5e7eb;
  --text-muted: #9ca3af;
  --text-faint: #6b7280;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #020617, #020617 40%, #020617);
  color: var(--text-main);
}

.layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 260px;
  background: linear-gradient(180deg, #020617, #020617);
  border-right: 1px solid var(--border-subtle);
  padding: 16px 14px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: sticky;
  top: 0;
  align-self: flex-start;
  max-height: 100vh;
  overflow-y: auto;
}

.sidebar-header {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 8px 10px 10px;
  border-radius: 12px;
  background: radial-gradient(circle at top left, #0f172a, #020617);
  border: 1px solid var(--border-subtle);
}

.sidebar-title {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.sidebar-subtitle {
  font-size: 11px;
  color: var(--text-muted);
}

.sidebar-meta {
  margin-top: 4px;
  font-size: 10px;
  color: var(--text-faint);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  padding: 3px 7px;
  border-radius: 999px;
  background: rgba(34, 197, 94, 0.08);
  color: var(--accent);
  border: 1px solid rgba(34, 197, 94, 0.5);
  margin-top: 4px;
  width: fit-content;
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.25);
}

.nav-section-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  margin: 12px 6px 4px;
}

.nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-item a {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font-size: 13px;
  padding: 6px 8px;
  border-radius: 999px;
  color: var(--text-muted);
  border: 1px solid transparent;
  transition: background 0.16s ease, color 0.16s ease, border 0.16s ease;
}

.nav-item a:hover {
  background: rgba(15, 23, 42, 0.9);
  border-color: rgba(55, 65, 81, 0.9);
  color: var(--text-main);
}

.nav-item a.active {
  background: var(--accent-soft);
  border-color: rgba(34, 197, 94, 0.5);
  color: var(--accent);
}

.nav-bullet {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  border: 1px solid var(--text-faint);
  background: transparent;
}

.nav-item a.active .nav-bullet {
  border-color: var(--accent);
  background: var(--accent);
}

.main {
  flex: 1;
  padding: 16px 22px 32px;
  max-width: 1080px;
  margin: 0 auto;
}

.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 16px;
  border-radius: 16px;
  background: radial-gradient(circle at top left, #020617, #020617 55%);
  border: 1px solid var(--border-subtle);
  margin-bottom: 16px;
}

.top-bar-main {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.top-title {
  font-size: 20px;
  font-weight: 600;
}

.top-subtitle {
  font-size: 12px;
  color: var(--text-muted);
}

.version-pill {
  font-size: 11px;
  padding: 5px 9px;
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  background: #020617;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 170px;
}

.version-pill strong {
  color: var(--text-main);
  font-weight: 500;
}

.version-pill span {
  font-size: 10px;
}

.content-group {
  margin-top: 18px;
  padding: 16px 18px 18px;
  border-radius: 18px;
  background: linear-gradient(180deg, #020617, #020617);
  border: 1px solid var(--border-subtle);
}

.content-heading {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}

.content-tagline {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.content-columns {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 16px;
}

@media (max-width: 900px) {
  .sidebar {
    display: none;
  }
  .main {
    padding: 12px 14px 24px;
  }
  .content-columns {
    grid-template-columns: minmax(0, 1fr);
  }
}

.callout-box {
  font-size: 13px;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.9);
  border: 1px dashed rgba(75, 85, 99, 0.9);
  margin-bottom: 10px;
}

.callout-title {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  margin-bottom: 4px;
}

.screenshot-frame {
  border-radius: 14px;
  border: 1px solid var(--border-subtle);
  background: radial-gradient(circle at top, #020617, #020617);
  padding: 10px;
  font-size: 12px;
  color: var(--text-faint);
}

.screenshot-placeholder {
  height: 220px;
  border-radius: 10px;
  border: 1px dashed rgba(75, 85, 99, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: var(--text-faint);
  margin-bottom: 8px;
}

.callout-list {
  list-style: none;
  padding-left: 0;
  margin: 0;
  font-size: 12px;
}

.callout-list li {
  display: flex;
  gap: 6px;
  margin-bottom: 4px;
}

.callout-number {
  width: 18px;
  height: 18px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.8);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  color: var(--text-muted);
  flex-shrink: 0;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
  font-size: 11px;
}

.pill {
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  color: var(--text-faint);
}

.pill-variant {
  border-color: rgba(34, 197, 94, 0.5);
  color: var(--accent);
  background: var(--accent-soft);
}