/* Declaration digital edition — site-native chrome */

.dec-main {
  max-width: min(1100px, 100%);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* ── Edition toolbox: same language as .site-nav / .nav-link / .app-header ── */
.dec-version-nav,
.dec-version-nav.dec-version-nav--v2,
.dec-version-nav.dec-version-nav--v3,
.dec-version-nav.dec-version-nav--v4 {
  position: sticky;
  top: 0;
  z-index: calc(var(--kbatch-header-z, 50) - 1);
  display: block;
  width: 100%;
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  background: var(--bg-header, rgba(10, 12, 16, 0.92));
  border-bottom: 1px solid var(--line, #21262d);
  backdrop-filter: blur(12px);
}

.dec-nav-inner {
  max-width: var(--kbatch-content-max, 1100px);
  margin: 0 auto;
  padding: 8px max(var(--kbatch-gutter, 16px), env(safe-area-inset-left, 0px))
    10px max(var(--kbatch-gutter, 16px), env(safe-area-inset-right, 0px));
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 100%;
  box-sizing: border-box;
}

.dec-nav-brand {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
}

.dec-nav-kicker {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted, #8b949e);
}

.dec-nav-title {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink, #e6edf3);
}

.dec-nav-title::before {
  content: "·";
  color: var(--faint, #484f58);
  margin-right: 6px;
  font-weight: 500;
}

.dec-nav-stair {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--faint, #484f58);
  margin-left: auto;
}

/* Continuous wrap of groups — like site-nav under title */
.dec-nav-groups {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 4px;
  width: 100%;
  min-width: 0;
}

.dec-nav-group {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 5px;
  min-width: 0;
  padding: 0;
  margin: 0;
  border: 0;
  background: transparent;
  border-radius: 0;
}

/* Thin separator between groups (not a card) */
.dec-nav-group + .dec-nav-group {
  margin-left: 4px;
  padding-left: 10px;
  border-left: 1px solid var(--line-soft, #1a1f27);
}

.dec-nav-group-lab {
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--faint, #484f58);
  padding: 0 2px 0 0;
  white-space: nowrap;
  line-height: 1;
}

.dec-nav-links {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 5px;
  min-width: 0;
}

/* Match site .nav-link chips exactly */
.dec-nav-link,
.dec-version-nav a.dec-nav-link,
.dec-version-nav a,
.dec-version-nav button {
  appearance: none;
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  margin: 0;
  background: transparent;
  color: var(--muted, #8b949e);
  border: 1px solid transparent;
  padding: 5px 8px;
  border-radius: 7px;
  text-decoration: none;
  font-size: 0.68rem;
  font-weight: 700;
  font-family: inherit;
  line-height: 1.15;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.12s, border-color 0.12s, color 0.12s;
}

.dec-nav-link-txt {
  display: inline;
  pointer-events: none;
}

.dec-nav-link:hover,
.dec-version-nav a:hover,
.dec-version-nav button:hover {
  color: var(--ink, #e6edf3);
  background: var(--bg-card-hover, #161c27);
  border-color: transparent;
}

/* Active = same as .nav-link.is-active (accent) */
.dec-nav-link.is-active,
.dec-version-nav a.active-link,
.dec-version-nav a.is-active,
.dec-version-nav button.active {
  color: var(--accent-text, #fdba74);
  background: var(--accent-dim, rgba(249, 115, 22, 0.15));
  border-color: color-mix(in srgb, var(--accent, #f97316) 40%, transparent);
  font-weight: 700;
}

/* Group labs stay faint uppercase — same muted language as site chrome */
.dec-nav-group[data-group="restore"] .dec-nav-group-lab,
.dec-nav-group[data-group="cage-games"] .dec-nav-group-lab,
.dec-nav-group[data-group="research"] .dec-nav-group-lab,
.dec-nav-group[data-group="craft"] .dec-nav-group-lab,
.dec-nav-group[data-group="play"] .dec-nav-group-lab,
.dec-nav-group[data-group="read"] .dec-nav-group-lab,
.dec-nav-group[data-group="archive"] .dec-nav-group-lab {
  color: var(--faint, #484f58);
}

.dec-nav-hint {
  margin: 0;
  font-size: 0.68rem;
  line-height: 1.35;
  color: var(--muted, #8b949e);
  max-width: 80ch;
}

.dec-nav-hint strong {
  color: var(--accent-text, #fdba74);
  font-weight: 700;
}

@media (max-width: 720px) {
  .dec-nav-group + .dec-nav-group {
    margin-left: 0;
    padding-left: 0;
    border-left: 0;
    width: 100%;
    padding-top: 4px;
    border-top: 1px solid var(--line-soft, #1a1f27);
  }
  .dec-nav-stair {
    margin-left: 0;
    width: 100%;
  }
  .dec-nav-link,
  .dec-version-nav a {
    padding: 6px 9px;
  }
}

.dec-viewer {
  background: var(--card, #161b22);
  border: 1px solid var(--line, #30363d);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}

.dec-viewer img {
  width: 100%;
  height: auto;
  display: block;
  background: #111;
}

.dec-viewer .caption {
  padding: 1rem 1.15rem;
  font-size: 0.88rem;
  color: var(--muted, #8b949e);
  border-top: 1px solid var(--line, #30363d);
  font-family: system-ui, sans-serif;
}

.dec-viewer .caption strong {
  color: var(--accent-text, #fdba74);
}

.dec-notes ul {
  padding-left: 1.25rem;
  line-height: 1.5;
}

.dec-notes li {
  margin-bottom: 0.4rem;
}

.dec-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}

/* Declaration lab hub cards (P1) */
.dec-hub-cards {
  margin: 0 0 1rem;
  padding: 0.75rem 0.25rem 0.25rem;
}
.dec-hub-title {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
}
.dec-hub-lead {
  margin: 0 0 0.75rem;
  font-size: 0.85rem;
  color: var(--muted, #8b949e);
  line-height: 1.4;
}
.dec-hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 8px;
  margin-bottom: 0.75rem;
}
.dec-hub-card {
  display: block;
  border: 1px solid var(--border, #30363d);
  border-radius: 10px;
  padding: 10px 12px;
  text-decoration: none;
  color: inherit;
  background: color-mix(in srgb, var(--panel, #161b22) 90%, transparent);
  transition: border-color 0.12s ease;
}
.dec-hub-card:hover {
  border-color: var(--accent, #58a6ff);
}
.dec-hub-card strong {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 4px;
  color: var(--accent, #58a6ff);
}
.dec-hub-card span {
  font-size: 0.75rem;
  line-height: 1.35;
  color: var(--faint, #8b949e);
}