/* ── Nav version + changelog hover ── */
.nav-logo-badges {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: 2px;
}

.nav-version {
  position: relative;
  display: inline-flex;
}

.nav-version-btn {
  appearance: none;
  border: 1px solid rgba(121, 192, 255, 0.35);
  background: rgba(121, 192, 255, 0.08);
  color: var(--blue);
  font-size: 11px;
  font-weight: 700;
  font-family: var(--mono);
  padding: 3px 9px;
  border-radius: 20px;
  cursor: pointer;
  letter-spacing: 0.02em;
  transition: border-color 0.2s, background 0.2s, color 0.2s;
}

.nav-version-btn:hover,
.nav-version.is-open .nav-version-btn {
  border-color: rgba(121, 192, 255, 0.65);
  background: rgba(121, 192, 255, 0.16);
  color: var(--white);
}

.nav-version-panel {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  width: min(360px, calc(100vw - 32px));
  max-height: min(420px, calc(100vh - 96px));
  overflow: auto;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(12, 12, 12, 0.96);
  backdrop-filter: blur(20px);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.45);
  z-index: 200;
}

.nav-version-panel[hidden] {
  display: none;
}

.nav-version-head {
  font-size: 11px;
  font-family: var(--mono);
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0 4px 10px;
}

.nav-version-entry + .nav-version-entry {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}

.nav-version-entry.is-latest .nav-version-tag {
  border-color: rgba(94, 186, 111, 0.55);
  color: var(--green);
  background: rgba(94, 186, 111, 0.1);
}

.nav-version-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.nav-version-tag {
  font-size: 12px;
  font-family: var(--mono);
  font-weight: 700;
  color: var(--white);
  border: 1px solid rgba(121, 192, 255, 0.35);
  border-radius: 999px;
  padding: 2px 8px;
}

.nav-version-date {
  font-size: 11px;
  font-family: var(--mono);
  color: var(--muted);
}

.nav-version-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--dim);
  margin: 0 0 6px;
}

.nav-version-list {
  margin: 0;
  padding-left: 18px;
  color: var(--text);
  font-size: 12px;
  line-height: 1.55;
}

.nav-version-list li + li {
  margin-top: 4px;
}

/* ── What's new toast ── */
.release-toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: min(380px, calc(100vw - 32px));
  padding: 18px 18px 16px;
  border-radius: 14px;
  border: 1px solid rgba(121, 192, 255, 0.35);
  background: rgba(10, 10, 10, 0.96);
  backdrop-filter: blur(22px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  z-index: 300;
  animation: release-toast-in 0.35s ease;
}

.release-toast[hidden] {
  display: none;
}

@keyframes release-toast-in {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.release-toast-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.release-toast-title {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.02em;
}

.release-toast-sub {
  margin: 4px 0 0;
  font-size: 12px;
  font-family: var(--mono);
  color: var(--blue);
}

.release-toast-close {
  appearance: none;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--dim);
  width: 28px;
  height: 28px;
  border-radius: 8px;
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  flex-shrink: 0;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.release-toast-close:hover {
  color: var(--white);
  border-color: rgba(121, 192, 255, 0.45);
  background: rgba(121, 192, 255, 0.08);
}

.release-toast-list {
  margin: 0;
  padding-left: 18px;
  color: var(--text);
  font-size: 13px;
  line-height: 1.6;
}

.release-toast-list li + li {
  margin-top: 6px;
}

@media (max-width: 720px) {
  .nav-version-panel {
    left: auto;
    right: 0;
  }
}