/* ========================================
   GAME-STYLE NAVIGATION
   ======================================== */

.game-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--bg-medium);
  border-bottom: 4px solid var(--accent-cyan);
  padding: 0 var(--space-md);
  z-index: 1000;
  height: var(--nav-height);
}

.nav-container {
  max-width: var(--container-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  color: var(--text-primary);
}

.nav-logo:hover {
  color: var(--accent-yellow);
}

/* Logo Icon in Nav */
.nav-logo-icon {
  width: 36px;
  height: 36px;
  background: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Press Start 2P', cursive;
  font-size: 0.875rem;
  color: var(--bg-dark);
  border-radius: 4px;
  box-shadow:
    inset -4px -4px 0 rgba(0,0,0,0.2),
    inset 4px 4px 0 rgba(255,255,255,0.1);
}

.logo-text {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.75rem;
  letter-spacing: 1px;
  display: none;
}

@media (min-width: 768px) {
  .logo-text {
    display: block;
  }
}

/* Navigation Menu */
.nav-menu {
  display: none;
  list-style: none;
  gap: var(--space-xs);
}

@media (min-width: 768px) {
  .nav-menu {
    display: flex;
  }
}

/* Nav Link */
.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-light);
  border: 3px solid transparent;
  color: var(--text-secondary);
  font-family: 'Press Start 2P', cursive;
  font-size: 0.5rem;
  text-decoration: none;
  transition: all 0.1s ease;
  position: relative;
}

.nav-link:hover {
  background: var(--accent-cyan);
  color: var(--bg-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 0 var(--shadow-color);
}

.nav-link:active {
  transform: translateY(2px);
  box-shadow: 0 0 0 var(--shadow-color);
}

/* Active state */
.nav-link.active {
  background: var(--accent-green);
  color: var(--bg-dark);
}

.nav-link.active::before {
  content: '>';
  position: absolute;
  left: -12px;
  font-family: 'Press Start 2P', cursive;
  font-size: 0.5rem;
  color: var(--accent-yellow);
  animation: pointer-blink 0.6s steps(2) infinite;
}

@keyframes pointer-blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

/* Nav Stats (optional level display) */
.nav-stats {
  display: none;
  align-items: center;
  gap: var(--space-sm);
  font-family: 'VT323', monospace;
  font-size: 1.25rem;
  color: var(--accent-yellow);
}

@media (min-width: 1024px) {
  .nav-stats {
    display: flex;
  }
}

.stat-badge {
  background: var(--bg-light);
  padding: var(--space-xs) var(--space-sm);
  border: 2px solid var(--accent-yellow);
  border-radius: var(--radius-sm);
}

/* ========================================
   MOBILE MENU
   ======================================== */

/* Hamburger Button */
.mobile-menu-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 36px;
  height: 36px;
  padding: 6px;
  background: var(--bg-light);
  border: 3px solid var(--accent-cyan);
  cursor: pointer;
  z-index: 1001;
}

@media (min-width: 768px) {
  .mobile-menu-btn {
    display: none;
  }
}

.mobile-menu-btn span {
  display: block;
  width: 100%;
  height: 4px;
  background: var(--accent-cyan);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* Hamburger to X animation */
.mobile-menu-btn.open span:nth-child(1) {
  transform: rotate(45deg) translate(7px, 7px);
}

.mobile-menu-btn.open span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.open span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* Mobile Menu Overlay */
.mobile-menu {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-dark);
  padding: var(--space-xl);
  transform: translateX(100%);
  transition: transform 0.3s ease;
  z-index: 999;
  overflow-y: auto;
}

.mobile-menu.open {
  transform: translateX(0);
}

.mobile-menu .nav-menu {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.mobile-menu .nav-link {
  font-size: 0.625rem;
  padding: var(--space-md) var(--space-lg);
  justify-content: center;
}

/* Mobile menu decorations */
.mobile-menu-decor {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
}

.mobile-menu-decor .pixel-text {
  font-family: 'VT323', monospace;
  font-size: 1rem;
  color: var(--text-muted);
}

/* ========================================
   MOBILE NAV HEIGHT ADJUSTMENTS
   ======================================== */

@media (max-width: 767px) {
  .game-nav {
    height: var(--nav-height-mobile, 60px);
  }

  .mobile-menu {
    top: var(--nav-height-mobile, 60px);
  }
}