/* =====================================================================
   GAME HEADER — Shared Navigation Bar
   Used by: date.html, couple.html, single.html
   ===================================================================== */

.game-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 65px;
  width: 100%;
  background: rgba(13, 14, 18, 0.3);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

/* Brand only - center it */
.game-nav:not(:has(.home-btn)):not(:has(.nav-controls)) {
  justify-content: center;
}

/* Fallback for browsers without :has() */
.game-nav.brand-only {
  justify-content: center;
}

/* Brand Logo */
.game-nav .brand {
  font-size: 1.9rem;
  font-weight: 900;
  background: linear-gradient(90deg, var(--accent), var(--accent-3));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
  letter-spacing: -1px;
}

body.km-authenticated .game-nav .brand {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Nav Controls Container */
.game-nav .nav-controls {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Home Button */
.game-nav .home-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  position: relative;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
}

.game-nav .home-btn::before {
  content: '';
  width: 40px;
  height: 40px;
  border: 2px solid transparent;
  background: 
    linear-gradient(rgba(13, 14, 18, 0.85), rgba(13, 14, 18, 0.85)) padding-box,
    linear-gradient(90deg, var(--accent, #ff4fa0), var(--accent-3, #ff8a50)) border-box;
  border-radius: 50%;
  position: absolute;
  transition: opacity 0.3s ease;
}

.game-nav .home-btn:hover {
  opacity: 0.6;
}

/* Home Icon (person shape - links to profile) */
.game-nav .home-icon {
  position: relative;
  z-index: 1;
  width: 18px;
  height: 18px;
  display: block;
}

/* Head */
.game-nav .home-icon::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 8px;
  height: 8px;
  background: linear-gradient(90deg, var(--accent, #ff4fa0), var(--accent-3, #ff8a50));
  border-radius: 50%;
  transition: background 0.3s ease;
}

/* Body/shoulders */
.game-nav .home-icon::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 14px;
  height: 8px;
  background: linear-gradient(90deg, var(--accent, #ff4fa0), var(--accent-3, #ff8a50));
  border-radius: 7px 7px 0 0;
  transition: background 0.3s ease;
}

/* Category Select (for single.html) */
.game-nav .category-select {
  position: relative;
  display: none;
}

/* Show category select only for PAID users */
body.km-authenticated .game-nav .category-select {
  display: block;
}

body.km-authenticated .game-nav .category-select .sel-btn {
  border-color: transparent;
  background: 
    linear-gradient(rgba(13, 14, 18, 0.85), rgba(13, 14, 18, 0.85)) padding-box,
    linear-gradient(90deg, var(--accent, #ff4fa0), var(--accent-2, #6a6af6)) border-box;
}

body.km-authenticated .game-nav .category-select .sel-btn:hover,
body.km-authenticated .game-nav .category-select.open .sel-btn {
  opacity: 0.6;
}

.game-nav .category-select .sel-btn {
  padding: 10px 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 700;
  color: #fff;
  cursor: pointer;
  transition: all 0.3s ease;
}

.game-nav .category-select .sel-btn:hover,
.game-nav .category-select.open .sel-btn {
  border-color: var(--accent, #ff4fa0);
  background: rgba(255, 79, 160, 0.2);
}

.game-nav .category-select .sel-menu {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  min-width: 280px;
  max-height: 500px;
  overflow-y: auto;
  background: rgba(0, 0, 0, 0.9);
  border: 2px solid rgba(255, 79, 160, 0.5);
  border-radius: 16px;
  list-style: none;
  padding: 0px 0;
  margin: 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  z-index: 1000;
  backdrop-filter: blur(12px);
}

.game-nav .category-select.open .sel-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.game-nav .category-select .sel-menu li {
  padding: 10px 15px;
  cursor: pointer;
  transition: background 0.3s ease;
  font-size: 0.9rem;
  color: #fff;
}

.game-nav .category-select .sel-menu li:hover {
  background: rgba(255, 79, 160, 0.3);
}

.game-nav .category-select .sel-menu li.active {
  background: rgba(255, 79, 160, 0.3);
  font-weight: 700;
}

/* Custom scrollbar for menu */
.game-nav .category-select .sel-menu::-webkit-scrollbar {
  width: 6px;
}

.game-nav .category-select .sel-menu::-webkit-scrollbar-track {
  background: transparent;
}

.game-nav .category-select .sel-menu::-webkit-scrollbar-thumb {
  background: rgba(255, 79, 160, 0.5);
  border-radius: 3px;
}

/* ===== HAMBURGER MENU FOR GAME CONTROLS ===== */
.game-nav .game-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 28px;
  height: 28px;
  cursor: pointer;
  padding: 4px;
}

.game-nav .game-hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all 0.3s ease;
}

.game-nav .game-hamburger.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.game-nav .game-hamburger.open span:nth-child(2) {
  opacity: 0;
}

.game-nav .game-hamburger.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Game Menu */
.game-mobile-nav {
  display: none;
  position: fixed;
  top: 65px;
  left: 0;
  right: 0;
  background: rgba(13, 14, 18, 0.98);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: 16px;
  flex-direction: column;
  gap: 12px;
  z-index: 99;
  animation: gameMenuSlideDown 0.3s ease;
}

@keyframes gameMenuSlideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.game-mobile-nav.open {
  display: flex;
}

.game-mobile-nav .mobile-category-select {
  width: 100%;
  display: none;
}

/* Show mobile category select only for PAID users */
body.km-authenticated .game-mobile-nav .mobile-category-select {
  display: block;
}

.game-mobile-nav .mobile-category-select .sel-btn {
  width: 100%;
  text-align: left;
  padding: 14px 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  cursor: pointer;
}

body.km-authenticated .game-mobile-nav .mobile-category-select .sel-btn {
  border-color: transparent;
  background: 
    linear-gradient(rgba(13, 14, 18, 0.85), rgba(13, 14, 18, 0.85)) padding-box,
    linear-gradient(90deg, var(--accent, #ff4fa0), var(--accent-2, #6a6af6)) border-box;
}

body.km-authenticated .game-mobile-nav .mobile-category-select .sel-btn:hover {
  opacity: 0.6;
}

.game-mobile-nav .mobile-home-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-radius: 12px;
  color: var(--accent, #ff4fa0);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
}

.game-mobile-nav .mobile-home-link:hover {
  background: rgba(255, 79, 160, 0.15);
}

/* ===== RESPONSIVE STYLES ===== */

/* ===== AUTHENTICATED STATE (KinkMatch+ user) ===== */

/* Person icon gets accent→accent-2 (head) */
body.km-authenticated .game-nav .home-icon::before {
  background: linear-gradient(90deg, var(--accent, #ff4fa0), var(--accent-2, #6a6af6));
}

/* Person icon gets accent→accent-2 (body) */
body.km-authenticated .game-nav .home-icon::after {
  background: linear-gradient(90deg, var(--accent, #ff4fa0), var(--accent-2, #6a6af6));
}

/* Circle gets accent-2 gradient border */
body.km-authenticated .game-nav .home-btn::before {
  background: 
    linear-gradient(rgba(13, 14, 18, 0.85), rgba(13, 14, 18, 0.85)) padding-box,
    linear-gradient(90deg, var(--accent, #ff4fa0), var(--accent-2, #6a6af6)) border-box;
}

/* Fluid brand sizing */
.game-nav .brand {
  font-size: clamp(1.6rem, 3.5vw, 1.9rem);
  white-space: nowrap;
}

/* Show hamburger, hide controls on small screens */
@media (max-width: 600px) {
  .game-nav .nav-controls {
    display: none;
  }
  
  .game-nav .game-hamburger {
    display: flex;
  }
}