nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 9996;
  border-bottom: 1px solid var(--border);
  padding: 13px 32px;
  display: flex; justify-content: space-between; align-items: center;
  background: var(--nav-bg);
  box-shadow: 0 2px 16px rgba(0,0,0,0.3);
  transition: background 0.3s, border-color 0.3s;
}

.nav-status { font-size: 11px; color: var(--muted); letter-spacing: .1em; }

.nav-dot {
  display: inline-block; width: 6px; height: 6px;
  border-radius: 50%; margin-right: 7px;
  animation: blink 1.6s step-end infinite;
}

/* Theme toggle button */
#theme-toggle {
  background: none; border: 1px solid var(--border);
  color: var(--muted); font-family: var(--font-term);
  font-size: 10px; letter-spacing: .1em;
  padding: 4px 10px; cursor: pointer;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
  user-select: none;
}
#theme-toggle:hover { color: var(--accent); border-color: var(--accent-border); }


nav {
  justify-content: space-between;
}


/* Cleaner professional header balance */
nav {
  gap: 14px;
}

#theme-toggle {
  min-width: 92px;
}


@media (max-width: 700px) {
  nav svg { max-width: calc(100vw - 132px); height: auto; }
}


/* Final header brand: V icon + system text */
.gvzo-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  min-width: 0;
  flex-shrink: 1;
}

.gvzo-brand-icon {
  position: relative;
  display: inline-flex;
  align-items: center;
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
}

.gvzo-brand-icon-img {
  display: block;
  width: 42px;
  height: 42px;
  position: relative;
  z-index: 2;
  filter:
    drop-shadow(0 0 1px rgba(143,115,187,0.20))
    drop-shadow(0 0 10px rgba(143,115,187,0.08));
}

.gvzo-brand-icon-glitch {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  z-index: 1;
  mix-blend-mode: screen;
}

.gvzo-brand-icon-glitch-a {
  transform: translate(1px, 0);
  filter: hue-rotate(-12deg) saturate(1.14);
}

.gvzo-brand-icon-glitch-b {
  transform: translate(-1px, 0);
  filter: hue-rotate(78deg) saturate(1.20);
}

.gvzo-brand-icon.is-glitching .gvzo-brand-icon-glitch-a,
.gvzo-brand-icon.is-glitching .gvzo-brand-icon-glitch-b {
  opacity: 0.55;
}

.gvzo-brand-icon.is-glitching .gvzo-brand-icon-glitch-a {
  animation: gvzoIconGhostA 160ms steps(2, end) 1;
}

.gvzo-brand-icon.is-glitching .gvzo-brand-icon-glitch-b {
  animation: gvzoIconGhostB 160ms steps(2, end) 1;
}

@keyframes gvzoIconGhostA {
  0%   { opacity: 0; transform: translate(0, 0); clip-path: inset(0 0 100% 0); }
  35%  { opacity: 0.48; transform: translate(2px, 0); clip-path: inset(12% 0 56% 0); }
  70%  { opacity: 0.24; transform: translate(-1px, 0); clip-path: inset(64% 0 10% 0); }
  100% { opacity: 0; transform: translate(0, 0); clip-path: inset(0 0 100% 0); }
}

@keyframes gvzoIconGhostB {
  0%   { opacity: 0; transform: translate(0, 0); clip-path: inset(0 0 100% 0); }
  30%  { opacity: 0.36; transform: translate(-2px, 0); clip-path: inset(40% 0 32% 0); }
  65%  { opacity: 0.22; transform: translate(1px, 0); clip-path: inset(6% 0 76% 0); }
  100% { opacity: 0; transform: translate(0, 0); clip-path: inset(0 0 100% 0); }
}

.gvzo-brand-text {
  display: inline-flex;
  align-items: baseline;
  font-family: var(--font-term);
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  line-height: 1;
  color: #d3cee7;
  text-shadow:
    0 0 1px rgba(155,127,189,0.14),
    0 0 6px rgba(155,127,189,0.05);
  white-space: nowrap;
}

.gvzo-dotnet {
  color: #8f73bb;
  margin-left: 0.18em;
}

/* Status-dot pulse within the icon */
.gvzo-brand-icon::after {
  content: '';
  position: absolute;
  width: 5px;
  height: 5px;
  right: 8px;
  bottom: 8px;
  border-radius: 50%;
  background: #31d07a;
  box-shadow: 0 0 10px rgba(49,208,122,0.45);
  animation: gvzoStatusPulse 1.8s ease-in-out infinite;
  z-index: 3;
  pointer-events: none;
}

@keyframes gvzoStatusPulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
    box-shadow: 0 0 8px rgba(49,208,122,0.34);
  }
  50% {
    opacity: 0.38;
    transform: scale(0.86);
    box-shadow: 0 0 16px rgba(49,208,122,0.58);
  }
}

.gvzo-brand:hover .gvzo-brand-text,
.gvzo-brand:focus-visible .gvzo-brand-text {
  text-shadow:
    0 0 2px rgba(155,127,189,0.24),
    0 0 10px rgba(155,127,189,0.10);
}

.gvzo-brand:hover .gvzo-brand-icon,
.gvzo-brand:focus-visible .gvzo-brand-icon {
  filter: drop-shadow(0 0 12px rgba(155,127,189,0.10));
}

@media (max-width: 700px) {
  .gvzo-brand {
    gap: 10px;
    max-width: calc(100vw - 132px);
  }

  .gvzo-brand-text {
    font-size: 0.98rem;
    letter-spacing: 0.10em;
  }
}


/* Header wordmark sizing */
.gvzo-brand-text {
  font-size: 1.18rem !important;
  letter-spacing: 0.12em !important;
}

@media (max-width: 700px) {
  .gvzo-brand-text {
    font-size: 1.04rem !important;
    letter-spacing: 0.11em !important;
  }
}


@media (prefers-reduced-motion: reduce) {
  .gvzo-brand-icon.is-glitching .gvzo-brand-icon-glitch-a,
  .gvzo-brand-icon.is-glitching .gvzo-brand-icon-glitch-b {
    animation: none !important;
    opacity: 0 !important;
  }
}






/* Mobile header in normal flow */
@media (max-width: 700px) {
  nav {
    position: relative !important;
    top: auto !important;
    left: auto !important;
    right: auto !important;
    z-index: 20 !important;
    width: 100% !important;
    padding: 10px 20px !important;
    min-height: 64px !important;
    margin: 0 !important;
    background: var(--nav-bg) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    transform: none !important;
  }
}


/* v109 light mode nav + branding */
:root.light nav {
  background: linear-gradient(180deg, rgba(247,242,252,0.97), rgba(239,230,249,0.96));
  border-bottom-color: rgba(78,51,118,0.16);
  box-shadow: 0 8px 24px rgba(81,52,122,0.10);
}

:root.light #theme-toggle {
  color: rgba(56,34,86,0.78);
  border-color: rgba(92,61,138,0.22);
  background: rgba(255,255,255,0.32);
}

:root.light #theme-toggle:hover {
  color: var(--accent);
  border-color: var(--accent-border);
  background: rgba(125,86,187,0.08);
}

:root.light .gvzo-brand-text {
  color: #2d1b43;
  text-shadow:
    0 0 1px rgba(125,86,187,0.10),
    0 0 8px rgba(125,86,187,0.05);
}

:root.light .gvzo-dotnet {
  color: #8a67c6;
}

:root.light .gvzo-brand-icon-img {
  filter:
    drop-shadow(0 0 1px rgba(125,86,187,0.12))
    drop-shadow(0 0 12px rgba(125,86,187,0.06));
}

:root.light .gvzo-brand-icon::after {
  background: #31b96d;
  box-shadow: 0 0 10px rgba(49,185,109,0.34);
}

:root.light #mobile-nav {
  background: linear-gradient(180deg, rgba(241,234,250,0.98), rgba(234,224,246,0.97));
  border-bottom-color: rgba(78,51,118,0.12);
}

:root.light .m-nav-item {
  color: rgba(56,34,86,0.70);
}

:root.light .m-nav-item.active {
  color: #2d1b43;
  border-bottom-color: var(--accent);
}

:root.light html.compact-mode #compact-mode-note {
  background: linear-gradient(180deg, rgba(125,86,187,0.10), rgba(125,86,187,0.05));
  color: #2f1d46;
  box-shadow: 0 0 18px rgba(125,86,187,0.08);
}