/* ===================================
   NAVIGATION - Civic Standard
   =================================== */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-6);
  background: var(--c-header-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-border);
  z-index: var(--z-sticky);
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--c-text);
  text-decoration: none;
  transition: all var(--duration-fast) var(--ease-out);
}

.nav-logo:hover {
  color: var(--c-text);
}

.logo-mark {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

/* Animated convergence logo */
.logo-mark svg {
  width: 100%;
  height: 100%;
}

.logo-mark .logo-ring {
  fill: none;
  stroke: var(--c-accent);
  stroke-width: 1.5;
  opacity: 0.5;
}

.logo-mark .logo-ring-inner {
  fill: none;
  stroke: var(--c-converge);
  stroke-width: 2;
  stroke-dasharray: 60 100;
  animation: logo-spin 8s linear infinite;
}

.logo-mark .logo-center {
  fill: var(--c-accent);
}

@keyframes logo-spin {
  from { stroke-dashoffset: 0; }
  to { stroke-dashoffset: -160; }
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-text-main {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.logo-text-sub {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--c-text-muted);
  letter-spacing: 0.05em;
}

/* Region slot is empty until /api/config resolves; collapse it so the
   default CiviPin wordmark sits on one clean line. */
.logo-text-sub:empty {
  display: none;
}

/* "Pin" half of the CiviPin wordmark, tinted with the institutional accent. */
.logo-accent {
  color: var(--c-accent);
}

/* Navigation links */
.nav-center {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1);
  background: var(--c-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--c-border);
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--c-text-muted);
  border-radius: var(--radius-md);
  transition: all var(--duration-fast) var(--ease-out);
  text-decoration: none;
  position: relative;
}

.nav-link:hover {
  color: var(--c-text);
  background: var(--c-surface-glow);
}

.nav-link.active {
  color: var(--c-text);
  background: var(--c-accent-soft);
}

.nav-link.active::before {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--c-accent);
}

.nav-link-icon {
  width: 16px;
  height: 16px;
  opacity: 0.7;
}

.nav-link:hover .nav-link-icon,
.nav-link.active .nav-link-icon {
  opacity: 1;
}

/* Nav actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* User menu */
.user-menu {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
}

.user-menu:hover {
  border-color: var(--c-border-bright);
  background: var(--c-surface-glow);
}

.user-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--c-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--c-on-accent);
}

.user-name {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--c-text);
}

/* Mobile menu */
.nav-mobile-toggle {
  display: none;
  padding: var(--space-2);
  background: transparent;
  border: none;
  color: var(--c-text);
  cursor: pointer;
}

@media (max-width: 768px) {
  .nav {
    padding: 0 var(--space-4);
  }

  .logo-text {
    display: none;
  }

  .nav-center {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    padding: var(--space-4);
    background: var(--c-depth);
    border-radius: 0;
    border: none;
    border-bottom: 1px solid var(--c-border);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--duration-base) var(--ease-out);
  }

  .nav-center.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-link {
    width: 100%;
    justify-content: center;
    padding: var(--space-4);
  }

  .nav-mobile-toggle {
    display: flex;
  }

  .user-name {
    display: none;
  }
}