.nav {
  position: fixed;
  top: 14px;
  left: 20px;
  right: 20px;
  width: calc(100% - 40px);
  max-width: 1200px;
  margin: 0 auto;
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 28px;
  background: rgba(10, 14, 26, 0.75) !important;
  border: 1px solid var(--border) !important;
  border-radius: 24px;
  backdrop-filter: blur(20px) saturate(180%) !important;
  -webkit-backdrop-filter: blur(20px) saturate(180%) !important;
  box-shadow: 0 4px 14px rgba(0, 212, 255, 0.12) !important;
  transition: background-color .4s var(--ease), border-color .4s var(--ease), box-shadow .4s var(--ease);
  direction: ltr !important;
}

.mobile-islands-container {
  display: none;
}

.nav-logo-center {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  perspective: 1000px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-circle {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 2px solid var(--cyan);
  background: var(--bg-soft);
  overflow: hidden;
  display: grid;
  place-items: center;
  box-shadow: 0 0 20px var(--glow-color);
  transform-style: preserve-3d;
  animation: logo3DSpin 4.5s cubic-bezier(0.4, 0, 0.2, 1) infinite;
  will-change: transform;
  cursor: pointer;
}

.logo-circle img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@keyframes logo3DSpin {
  0% { transform: rotateY(0deg); }
  40% { transform: rotateY(720deg); }
  100% { transform: rotateY(720deg); }
}

.nav-dropdown-wrapper {
  position: relative;
  display: inline-block;
  padding-bottom: 8px;
  margin-bottom: -8px;
}

.nav-section-selector {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--surface-strong);
  border: 1px solid var(--border);
  padding: 4px 8px;
  border-radius: 999px;
  cursor: pointer;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.nav-dropdown-wrapper:hover .nav-section-selector,
.nav-dropdown-wrapper.open .nav-section-selector {
  border-color: var(--cyan);
  background: var(--surface);
}

.nav-arrow-btn {
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  display: grid;
  place-items: center;
  padding: 4px;
  border-radius: 50%;
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
}

.nav-arrow-btn:hover {
  color: var(--cyan);
  background: var(--surface-strong);
}

.nav-section-selector span {
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text);
  min-width: 70px;
  text-align: center;
  user-select: none;
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 6px;
  width: 170px;
  background: rgba(10, 14, 26, 0.95) !important;
  border: 1px solid var(--border) !important;
  border-radius: 16px;
  backdrop-filter: blur(20px) saturate(180%) !important;
  -webkit-backdrop-filter: blur(20px) saturate(180%) !important;
  padding: 6px 0;
  box-shadow: var(--shadow-soft);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease), visibility 0.25s;
  list-style: none;
  z-index: 600;
}

.nav-dropdown-wrapper:hover .nav-dropdown-menu,
.nav-dropdown-wrapper.open .nav-dropdown-menu,
.nav-dropdown-wrapper.active-touch .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown-menu li a {
  display: flex;
  align-items: center;
  padding: 9px 16px;
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: var(--muted);
  border-left: 2px solid transparent;
  transition: color 0.2s, background 0.2s, padding-left 0.2s, border-color 0.2s;
}

.nav-dropdown-menu li a:hover {
  color: var(--text);
  background: var(--surface-strong);
  padding-left: 20px;
}

.nav-dropdown-menu li a.active {
  color: var(--cyan);
  background: rgba(79, 216, 232, 0.12);
  border-left-color: var(--cyan);
  font-weight: 600;
}

.nav-dropdown-menu li a.active:hover {
  padding-left: 20px;
}

.nav-settings-wrapper {
  position: relative;
  display: inline-block;
}

.nav-settings-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface-strong);
  color: var(--text);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), color 0.3s var(--ease);
}

@media (hover: hover) {
  .nav-settings-btn:hover {
    border-color: var(--cyan);
    color: var(--cyan);
    transform: rotate(30deg);
  }
}

.nav-settings-btn.active {
  border-color: var(--cyan) !important;
  color: var(--cyan) !important;
  transform: rotate(30deg) !important;
}

.settings-dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 10px;
  width: 160px;
  background: rgba(10, 14, 26, 0.95) !important;
  border: 1px solid var(--border) !important;
  border-radius: 16px;
  backdrop-filter: blur(20px) saturate(180%) !important;
  -webkit-backdrop-filter: blur(20px) saturate(180%) !important;
  padding: 10px 8px;
  box-shadow: var(--shadow-soft);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease), visibility 0.25s;
  z-index: 600;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.settings-dropdown-menu.active,
.nav-settings-wrapper.active .settings-dropdown-menu {
  opacity: 1 !important;
  visibility: visible !important;
  transform: translateY(0) !important;
}

.settings-group-label {
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 2px;
}

.mode-switch-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--surface-strong);
  padding: 3px;
  border-radius: 10px;
  border: 1px solid var(--border);
}

.mode-btn {
  flex: 1;
  padding: 4px 4px;
  border-radius: 7px;
  border: none;
  background: transparent;
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 0.7rem;
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
  text-align: center;
}

.mode-btn.active {
  background: var(--surface);
  color: var(--cyan);
  font-weight: 600;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
}

.theme-dots-row {
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 4px 2px;
}

.theme-dot {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
  box-shadow: inset -2px -2px 4px rgba(0, 0, 0, 0.45), inset 2px 2px 4px rgba(255, 255, 255, 0.3);
}

.theme-dot:hover {
  transform: scale(1.18);
}

.theme-dot.active {
  border-color: var(--text);
  box-shadow: 0 0 10px var(--glow-color), inset -2px -2px 4px rgba(0,0,0,0.45), inset 2px 2px 4px rgba(255,255,255,0.3);
}

.theme-dot[data-theme="dark"] {
  background: radial-gradient(circle at 35% 35%, #4fd8e8, #06060a 75%);
}

.theme-dot[data-theme="light"] {
  background: radial-gradient(circle at 35% 35%, #ffffff, #8a9cb0 75%);
}

.theme-dot[data-theme="sunrise"] {
  background: radial-gradient(circle at 35% 35%, #f59e0b, #78350f 75%);
}

.settings-menu-divider {
  height: 1px;
  background: var(--border);
  margin: 0;
}

.lang-switch-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 4px 0;
}

.flag-icon {
  font-size: 1.1rem;
  opacity: 0.4;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.2s;
  user-select: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.2rem;
  height: 1.2rem;
}

.flag-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  pointer-events: none;
}

.flag-icon:hover {
  transform: scale(1.15);
}

.flag-icon.active {
  opacity: 1;
}

.minigame-transition-overlay {
  position: fixed;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #040408;
  transform: translate(-50%, -50%) scale(1);
  z-index: 999999;
  transition: transform 0.75s cubic-bezier(0.77, 0, 0.175, 1);
  pointer-events: none;
}

.minigame-transition-overlay.expand {
  transform: translate(-50%, -50%) scale(80);
}

html[data-theme="light"] .nav {
  background: rgba(245, 247, 250, 0.75) !important;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.05) !important;
}

html[data-theme="light"] .nav-dropdown-menu,
html[data-theme="light"] .settings-dropdown-menu {
  background: rgba(255, 255, 255, 0.96) !important;
  border-color: rgba(20, 25, 40, 0.15) !important;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
}

html[data-theme="sunrise"] .nav {
  background: rgba(20, 16, 10, 0.75) !important;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.15) !important;
}

html[data-theme="sunrise"] .nav-dropdown-menu,
html[data-theme="sunrise"] .settings-dropdown-menu {
  background: rgba(26, 21, 12, 0.96) !important;
}

@media (max-width: 520px) {
  .nav {
    top: 10px;
    left: 10px;
    right: 10px;
    width: calc(100% - 20px);
    padding: 8px 14px;
    height: 52px;
  }
  .nav-section-selector {
    padding: 5px 10px;
    font-size: 0.8rem;
    gap: 4px;
  }
  .nav-section-selector span {
    min-width: 55px;
    font-size: 0.78rem;
  }
  .logo-circle {
    width: 38px;
    height: 38px;
  }
  .nav-settings-btn {
    width: 38px;
    height: 38px;
  }
  .nav-settings-btn svg {
    width: 18px;
    height: 18px;
  }
}

@media (max-width: 400px) {
  .nav {
    padding: 6px 10px;
    height: 48px;
  }
  .nav-section-selector {
    padding: 4px 8px;
    font-size: 0.75rem;
  }
  .nav-section-selector span {
    min-width: 48px;
    font-size: 0.72rem;
  }
  .nav-arrow-btn {
    padding: 2px;
  }
  .logo-circle {
    width: 34px;
    height: 34px;
  }
  .nav-settings-btn {
    width: 34px;
    height: 34px;
  }
  .nav-settings-btn svg {
    width: 16px;
    height: 16px;
  }
}