/* =====================================================
   NAVIGATION - Floating nav, guest nav, back button
   ===================================================== */

/* Floating bottom nav with circular buttons */
.floating-nav {
  position: fixed; 
  left: 50%; 
  bottom: 16px; 
  transform: translateX(-50%);
  display: flex; 
  gap: 14px; 
  padding: 8px 10px; 
  background: rgba(18,18,20,0.9);
  backdrop-filter: blur(10px); 
  border: 1px solid #2a2d31; 
  border-radius: 999px;
  z-index: 10;
}

.nav-btn {
  width: 52px; 
  height: 52px; 
  border-radius: 50%; 
  border: 1px solid #2f3238;
  background: #1d1f24; 
  color: var(--text); 
  display: flex; 
  align-items: center; 
  justify-content: center;
  cursor: pointer; 
  transition: transform .12s ease, background .2s ease, border-color .2s ease;
}

.nav-btn:hover { 
  transform: translateY(-2px); 
  background: #23262c; 
  border-color: #3a3e45; 
}

.nav-icon { 
  width: 24px; 
  height: 24px; 
  object-fit: contain;
  filter: invert(1);
}

.floating-nav button { 
  width: 52px; 
  height: 52px; 
  border-radius: 50%; 
  border: 1px solid #2f3238; 
  background: #1d1f24; 
  color: var(--text); 
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.floating-nav button:hover { 
  transform: translateY(-2px); 
  background: #23262c; 
  border-color: #3a3e45; 
}

/* Floating nav for guest users */
.floating-nav-guest {
  position: fixed;
  left: 50%;
  bottom: 20px;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 20px;
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(12px);
  border: 1px solid #333;
  border-radius: 999px;
  z-index: 100;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.guest-nav-text {
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
}

.guest-nav-btn {
  padding: 10px 20px;
  background: #fff;
  color: #000;
  border: none;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
  white-space: nowrap;
}

.guest-nav-btn:hover {
  background: #f0f0f0;
  transform: scale(1.02);
}

.guest-nav-btn:active {
  transform: scale(0.98);
}

@media (max-width: 400px) {
  .floating-nav-guest {
    padding: 10px 16px;
    gap: 12px;
  }
  
  .guest-nav-text {
    font-size: 13px;
  }
  
  .guest-nav-btn {
    padding: 8px 16px;
    font-size: 13px;
  }
}

/* Back Button */
.btn-back {
  background: none;
  border: none;
  font-size: 24px;
  color: #000;
  cursor: pointer;
  padding: 8px;
}

.btn-back:hover {
  opacity: 0.7;
}

/* Menu Button */
.btn-menu {
  background: none;
  border: none;
  font-size: 24px;
  color: #000;
  cursor: pointer;
  padding: 8px;
  pointer-events: auto;
  touch-action: manipulation;
  -webkit-user-select: none;
  user-select: none;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}