/* ========== Game Nav — menu dọc ========== */
:root {
  --nav-width: 248px;
  --nav-width-collapsed: 72px;
  --nav-gold: #d4af37;
  --nav-gold-light: #f5d76e;
  --nav-red: #c0392b;
  --nav-bg: rgba(8, 6, 4, 0.94);
  --nav-item-bg: linear-gradient(180deg, #4a3220 0%, #2e1e10 48%, #1a1008 100%);
  --nav-item-border: rgba(212, 175, 55, 0.38);
  --nav-glow: 0 0 14px rgba(212, 175, 55, 0.45);
  --mobile-bar-h: 68px;
}

.game-nav {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 50;
  font-family: Tahoma, "Segoe UI", sans-serif;
  -webkit-tap-highlight-color: transparent;
}

.game-nav__panel-head,
.game-nav__close {
  display: none;
}

.game-nav__mobile-bar {
  display: none;
}

/* Panel */
.game-nav__panel {
  display: flex;
  flex-direction: column;
  width: var(--nav-width);
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  background: linear-gradient(90deg, var(--nav-bg) 0%, rgba(8, 6, 4, 0.72) 88%, transparent 100%);
  padding: 10px 8px 12px;
  padding-top: calc(10px + env(safe-area-inset-top, 0px));
  padding-bottom: calc(12px + env(safe-area-inset-bottom, 0px));
  transition: width 0.28s ease;
}

.game-nav__panel-top {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-bottom: 10px;
  padding: 2px 36px 0;
}

.game-nav__logo {
  display: block;
  width: 96px;
  margin: 0 auto;
  flex-shrink: 0;
  transition: filter 0.2s ease, transform 0.2s ease, width 0.28s ease;
}

.game-nav__logo img {
  width: 100%;
  height: auto;
  display: block;
}

.game-nav__logo:hover,
.game-nav__logo.is-active {
  filter: drop-shadow(0 0 10px rgba(212, 175, 55, 0.75));
}

.game-nav__logo.is-active {
  transform: scale(1.02);
}

.game-nav__collapse {
  position: absolute;
  top: 2px;
  right: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  margin-top: 0;
  flex-shrink: 0;
  border: 1px solid var(--nav-item-border);
  border-radius: 8px;
  background: var(--nav-item-bg);
  color: var(--nav-gold-light);
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}

.game-nav__collapse svg {
  width: 18px;
  height: 18px;
}

.game-nav__collapse:hover {
  border-color: rgba(212, 175, 55, 0.75);
  box-shadow: var(--nav-glow);
}

/* Scroll area + fade */
.game-nav__scroll {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding-right: 2px;
  scrollbar-width: thin;
  scrollbar-color: rgba(212, 175, 55, 0.4) transparent;
  -webkit-overflow-scrolling: touch;
  mask-image: linear-gradient(to bottom, #000 0%, #000 calc(100% - 28px), transparent 100%);
}

.game-nav__scroll::-webkit-scrollbar {
  width: 4px;
}

.game-nav__scroll::-webkit-scrollbar-thumb {
  background: rgba(212, 175, 55, 0.4);
  border-radius: 4px;
}

.game-nav__section {
  margin-bottom: 12px;
}

.game-nav__label {
  display: block;
  font-family: "Cinzel", Georgia, serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(212, 175, 55, 0.75);
  padding: 0 6px 7px;
  border-bottom: 1px solid rgba(212, 175, 55, 0.18);
  margin-bottom: 8px;
  white-space: nowrap;
  overflow: hidden;
  transition: opacity 0.2s ease;
}

.game-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.game-nav__link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 44px;
  padding: 9px 12px 9px 10px;
  border: 1px solid var(--nav-item-border);
  border-radius: 8px;
  background: var(--nav-item-bg);
  color: #f0e6d2;
  font-size: 14px;
  line-height: 1.3;
  text-decoration: none;
  text-align: left;
  cursor: pointer;
  touch-action: manipulation;
  user-select: none;
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, padding 0.28s ease;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.07), inset 0 -1px 0 rgba(0, 0, 0, 0.25);
}

.game-nav__link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--nav-gold-light);
  box-shadow: 0 0 8px rgba(245, 215, 110, 0.8);
  opacity: 0;
  transform: scaleY(0.4);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.game-nav__link:hover {
  color: var(--nav-gold-light);
  border-color: rgba(212, 175, 55, 0.7);
  box-shadow: var(--nav-glow), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.game-nav__link.is-active {
  color: var(--nav-gold-light);
  border-color: rgba(212, 175, 55, 0.85);
  background: linear-gradient(180deg, #553818 0%, #352010 50%, #221408 100%);
  box-shadow: var(--nav-glow), inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.game-nav__link.is-active::before {
  opacity: 1;
  transform: scaleY(1);
}

.game-nav__link:active {
  transform: scale(0.98);
  opacity: 0.94;
}

.game-nav__text {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: opacity 0.2s ease;
}

/* Icons — SVG mask */
.game-nav__icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  background-color: var(--nav-gold);
  filter: drop-shadow(0 0 4px rgba(212, 175, 55, 0.55));
  -webkit-mask: no-repeat center / contain;
  mask: no-repeat center / contain;
}

.game-nav__icon--fanpage {
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'%3E%3Cpath d='M12 2C6.48 2 2 6.48 2 12c0 5.01 3.66 9.15 8.44 9.88v-6.99H7.9V12h2.54V9.8c0-2.5 1.49-3.89 3.78-3.89 1.09 0 2.24.2 2.24.2v2.46h-1.26c-1.24 0-1.63.77-1.63 1.56V12h2.78l-.44 2.89h-2.34v6.99C18.34 21.15 22 17.01 22 12c0-5.52-4.48-10-10-10z'/%3E%3C/svg%3E");
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'%3E%3Cpath d='M12 2C6.48 2 2 6.48 2 12c0 5.01 3.66 9.15 8.44 9.88v-6.99H7.9V12h2.54V9.8c0-2.5 1.49-3.89 3.78-3.89 1.09 0 2.24.2 2.24.2v2.46h-1.26c-1.24 0-1.63.77-1.63 1.56V12h2.78l-.44 2.89h-2.34v6.99C18.34 21.15 22 17.01 22 12c0-5.52-4.48-10-10-10z'/%3E%3C/svg%3E");
}

.game-nav__icon--group {
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'%3E%3Cpath d='M16 11c1.66 0 2.99-1.34 2.99-3S17.66 5 16 5s-3 1.34-3 3 1.34 3 3 3zm-8 0c1.66 0 2.99-1.34 2.99-3S9.66 5 8 5 5 6.34 5 8s1.34 3 3 3zm0 2c-2.33 0-7 1.17-7 3.5V19h14v-2.5C15 14.17 10.33 13 8 13zm8 0c-.29 0-.62.02-.97.05 1.16.84 1.97 1.97 1.97 3.45V19h6v-2.5c0-2.33-4.67-3.5-7-3.5z'/%3E%3C/svg%3E");
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'%3E%3Cpath d='M16 11c1.66 0 2.99-1.34 2.99-3S17.66 5 16 5s-3 1.34-3 3 1.34 3 3 3zm-8 0c1.66 0 2.99-1.34 2.99-3S9.66 5 8 5 5 6.34 5 8s1.34 3 3 3zm0 2c-2.33 0-7 1.17-7 3.5V19h14v-2.5C15 14.17 10.33 13 8 13zm8 0c-.29 0-.62.02-.97.05 1.16.84 1.97 1.97 1.97 3.45V19h6v-2.5c0-2.33-4.67-3.5-7-3.5z'/%3E%3C/svg%3E");
}

.game-nav__icon--register {
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'%3E%3Cpath d='M3 17.25V21h3.75L17.81 9.94l-3.75-3.75L3 17.25zM20.71 7.04a1 1 0 000-1.41l-2.34-2.34a1 1 0 00-1.41 0l-1.83 1.83 3.75 3.75 1.83-1.83z'/%3E%3C/svg%3E");
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'%3E%3Cpath d='M3 17.25V21h3.75L17.81 9.94l-3.75-3.75L3 17.25zM20.71 7.04a1 1 0 000-1.41l-2.34-2.34a1 1 0 00-1.41 0l-1.83 1.83 3.75 3.75 1.83-1.83z'/%3E%3C/svg%3E");
}

.game-nav__icon--download {
  background-color: #ff7b6b;
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'%3E%3Cpath d='M19 9h-4V3H9v6H5l7 7 7-7zM5 18v2h14v-2H5z'/%3E%3C/svg%3E");
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'%3E%3Cpath d='M19 9h-4V3H9v6H5l7 7 7-7zM5 18v2h14v-2H5z'/%3E%3C/svg%3E");
}

.game-nav__icon--gallery {
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'%3E%3Cpath d='M21 19V5c0-1.1-.9-2-2-2H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2zM8.5 13.5l2.5 3.01L14.5 12l4.5 6H5l3.5-4.5z'/%3E%3C/svg%3E");
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'%3E%3Cpath d='M21 19V5c0-1.1-.9-2-2-2H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2zM8.5 13.5l2.5 3.01L14.5 12l4.5 6H5l3.5-4.5z'/%3E%3C/svg%3E");
}

.game-nav__icon--server {
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'%3E%3Cpath d='M4 1h16a1 1 0 011 1v4a1 1 0 01-1 1H4a1 1 0 01-1-1V2a1 1 0 011-1zm0 8h16a1 1 0 011 1v4a1 1 0 01-1 1H4a1 1 0 01-1-1v-4a1 1 0 011-1zm0 8h16a1 1 0 011 1v4a1 1 0 01-1 1H4a1 1 0 01-1-1v-4a1 1 0 011-1zm2-6h2v2H6v-2zm0 8h2v2H6v-2z'/%3E%3C/svg%3E");
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'%3E%3Cpath d='M4 1h16a1 1 0 011 1v4a1 1 0 01-1 1H4a1 1 0 01-1-1V2a1 1 0 011-1zm0 8h16a1 1 0 011 1v4a1 1 0 01-1 1H4a1 1 0 01-1-1v-4a1 1 0 011-1zm0 8h16a1 1 0 011 1v4a1 1 0 01-1 1H4a1 1 0 01-1-1v-4a1 1 0 011-1zm2-6h2v2H6v-2zm0 8h2v2H6v-2z'/%3E%3C/svg%3E");
}

.game-nav__icon--gem {
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'%3E%3Cpath d='M6 2l-2 4v12h16V6l-2-4H6zm0 2h12l1 2H5l1-2zm-1 6h14v8H5V10z'/%3E%3C/svg%3E");
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'%3E%3Cpath d='M6 2l-2 4v12h16V6l-2-4H6zm0 2h12l1 2H5l1-2zm-1 6h14v8H5V10z'/%3E%3C/svg%3E");
}

.game-nav__icon--roadmap {
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'%3E%3Cpath d='M12 2L4 7v2h16V7l-8-5zm6 9H6v9h12V11zM8 13h2v5H8v-5zm4 0h2v5h-2v-5z'/%3E%3C/svg%3E");
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'%3E%3Cpath d='M12 2L4 7v2h16V7l-8-5zm6 9H6v9h12V11zM8 13h2v5H8v-5zm4 0h2v5h-2v-5z'/%3E%3C/svg%3E");
}

.game-nav__icon--events {
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'%3E%3Cpath d='M19 3h-1V1h-2v2H8V1H6v2H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zm0 16H5V8h14v11zM7 10h5v5H7v-5z'/%3E%3C/svg%3E");
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'%3E%3Cpath d='M19 3h-1V1h-2v2H8V1H6v2H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zm0 16H5V8h14v11zM7 10h5v5H7v-5z'/%3E%3C/svg%3E");
}

.game-nav__icon--trophy {
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'%3E%3Cpath d='M19 5h-2V3H7v2H5c-1.1 0-2 .9-2 2v1c0 2.55 1.92 4.63 4.39 4.94A5.01 5.01 0 0011 15.9V19H7v2h10v-2h-4v-3.1a5.01 5.01 0 003.61-4.96C20.08 12.63 22 10.55 22 8V7c0-1.1-.9-2-2-2zM5 8V7h2v3.82C5.84 10.4 5 9.3 5 8zm14 0c0 1.3-.84 2.4-2 2.82V7h2v1z'/%3E%3C/svg%3E");
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'%3E%3Cpath d='M19 5h-2V3H7v2H5c-1.1 0-2 .9-2 2v1c0 2.55 1.92 4.63 4.39 4.94A5.01 5.01 0 0011 15.9V19H7v2h10v-2h-4v-3.1a5.01 5.01 0 003.61-4.96C20.08 12.63 22 10.55 22 8V7c0-1.1-.9-2-2-2zM5 8V7h2v3.82C5.84 10.4 5 9.3 5 8zm14 0c0 1.3-.84 2.4-2 2.82V7h2v1z'/%3E%3C/svg%3E");
}

.game-nav__link--external .game-nav__text::after {
  content: " ↗";
  font-size: 11px;
  opacity: 0.55;
}

.game-nav__link--download {
  border-color: rgba(192, 57, 43, 0.55);
}

.game-nav__link--download:hover,
.game-nav__link--download.is-active {
  border-color: #e74c3c;
  box-shadow: 0 0 12px rgba(231, 76, 60, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

/* Desktop — thu gọn sidebar */
@media (min-width: 768px) {
  .game-nav.is-collapsed .game-nav__panel {
    width: var(--nav-width-collapsed);
    padding-left: 6px;
    padding-right: 6px;
  }

  .game-nav.is-collapsed .game-nav__panel-top {
    flex-direction: column;
    align-items: center;
    padding: 4px 2px 0;
  }

  .game-nav.is-collapsed .game-nav__logo {
    width: 52px;
    margin: 0 auto;
  }

  .game-nav.is-collapsed .game-nav__collapse {
    position: static;
    margin-top: 6px;
  }

  .game-nav.is-collapsed .game-nav__collapse svg {
    transform: rotate(180deg);
  }

  .game-nav.is-collapsed .game-nav__label,
  .game-nav.is-collapsed .game-nav__text {
    opacity: 0;
    width: 0;
    overflow: hidden;
  }

  .game-nav.is-collapsed .game-nav__link {
    justify-content: center;
    padding: 10px 8px;
    min-height: 46px;
  }

  .game-nav.is-collapsed .game-nav__link--external .game-nav__text::after {
    display: none;
  }

  .game-nav.is-collapsed .game-nav__section {
    margin-bottom: 8px;
  }

  .game-nav.is-collapsed .game-nav__list {
    gap: 6px;
  }

  .game-nav.is-collapsed .game-nav__scroll {
    mask-image: none;
  }
}

/* Overlay mobile */
.game-nav__overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.72);
  z-index: 48;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.game-nav.is-open .game-nav__overlay {
  opacity: 1;
  pointer-events: auto;
}

/* ========== Desktop ========== */
@media (min-width: 768px) {
  .game-nav__mobile-bar,
  .game-nav__overlay,
  .game-nav__panel-head,
  .game-nav__close {
    display: none !important;
  }

  .game-nav__panel {
    pointer-events: auto;
  }
}

/* ========== Mobile ========== */
@media (max-width: 767px) {
  /* Ẩn Liên kết nhanh — đã có ở bottom bar */
  .game-nav__section--quick {
    display: none;
  }

  .game-nav__collapse {
    display: none;
  }

  .game-nav__panel {
    position: fixed;
    top: auto;
    left: 0;
    right: 0;
    bottom: calc(var(--mobile-bar-h) + env(safe-area-inset-bottom, 0px));
    z-index: 55;
    width: 100%;
    max-width: none;
    height: auto;
    max-height: calc(100dvh - var(--mobile-bar-h) - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px));
    padding: 0 14px 12px;
    border-radius: 18px 18px 0 0;
    background: var(--nav-bg);
    box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.65);
    transform: translateY(calc(100% + 12px));
    transition: transform 0.32s cubic-bezier(0.32, 0.72, 0, 1);
    display: flex;
    flex-direction: column;
    overflow: hidden;
  }

  .game-nav.is-open .game-nav__panel {
    transform: translateY(0);
  }

  .game-nav__panel-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
    position: relative;
    z-index: 2;
    padding: 12px 4px 10px;
    margin-bottom: 0;
    background: var(--nav-bg);
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
  }

  .game-nav__panel-head::before {
    content: "";
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 4px;
    border-radius: 4px;
    background: rgba(212, 175, 55, 0.35);
  }

  .game-nav__panel-title {
    font-family: "Cinzel", Georgia, serif;
    font-size: 15px;
    font-weight: 700;
    color: var(--nav-gold-light);
    letter-spacing: 0.06em;
    padding-top: 10px;
  }

  .game-nav__close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    margin-top: 6px;
    border: 1px solid var(--nav-item-border);
    border-radius: 10px;
    background: var(--nav-item-bg);
    color: var(--nav-gold-light);
    font-size: 26px;
    line-height: 1;
    cursor: pointer;
    touch-action: manipulation;
  }

  .game-nav__panel-top {
    justify-content: center;
    margin-bottom: 6px;
    flex-shrink: 0;
  }

  .game-nav__logo {
    width: 72px;
    margin: 4px auto 6px;
  }

  .game-nav__scroll {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    mask-image: none;
    padding-bottom: 12px;
  }

  .game-nav__section:last-child {
    margin-bottom: 0;
  }

  .game-nav__link {
    min-height: 52px;
    padding: 12px 14px;
    font-size: 15px;
    border-radius: 10px;
  }

  .game-nav__icon {
    width: 22px;
    height: 22px;
  }

  .game-nav__overlay {
    display: block;
  }

  .game-nav__mobile-bar {
    display: flex;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 60;
    height: calc(var(--mobile-bar-h) + env(safe-area-inset-bottom, 0px));
    padding-bottom: env(safe-area-inset-bottom, 0px);
    background: linear-gradient(180deg, rgba(12, 9, 6, 0.97) 0%, rgba(6, 4, 2, 0.99) 100%);
    border-top: 1px solid rgba(212, 175, 55, 0.45);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.55);
  }

  .game-nav__bar-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    min-width: 0;
    min-height: var(--mobile-bar-h);
    padding: 6px 4px;
    border: 0;
    background: transparent;
    color: #e8dcc8;
    text-decoration: none;
    font-family: inherit;
    cursor: pointer;
    touch-action: manipulation;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    transition: background 0.15s ease, color 0.15s ease;
  }

  .game-nav__bar-btn:active,
  .game-nav__bar-btn.is-active {
    background: rgba(212, 175, 55, 0.12);
    color: var(--nav-gold-light);
  }

  .game-nav__bar-icon {
    font-size: 20px;
    line-height: 1;
    color: var(--nav-gold);
    filter: drop-shadow(0 0 4px rgba(212, 175, 55, 0.45));
  }

  .game-nav__bar-label {
    font-size: 10px;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
    letter-spacing: 0.02em;
  }

  .game-nav__bar-btn--menu {
    position: relative;
    flex: 1.15;
    margin: 6px 2px;
    min-height: calc(var(--mobile-bar-h) - 12px);
    border-radius: 12px;
    border: 1px solid rgba(212, 175, 55, 0.55);
    background: linear-gradient(180deg, #4a3218 0%, #2a1a0e 100%);
    box-shadow: 0 0 12px rgba(212, 175, 55, 0.25);
  }

  .game-nav__bar-btn--menu .game-nav__bar-icon {
    font-size: 22px;
  }

  .game-nav__bar-btn--menu .game-nav__bar-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--nav-gold-light);
  }

  .game-nav.is-open .game-nav__bar-btn--menu {
    background: linear-gradient(180deg, #5a3a1a 0%, #3a2210 100%);
    box-shadow: var(--nav-glow);
  }

  .game-nav__bar-btn--download .game-nav__bar-icon {
    color: #ff6b5b;
  }

  .game-nav__bar-btn--download .game-nav__bar-label {
    color: #ffb4a8;
  }

  body.has-mobile-nav {
    padding-bottom: 0;
    overflow-x: hidden;
  }

  /* Hero intro — thu nhỏ toàn cảnh (contain), không crop */
  .page-1 {
    height: calc(100dvh - var(--mobile-bar-h) - env(safe-area-inset-bottom, 0px)) !important;
    padding-bottom: 0 !important;
    box-sizing: border-box !important;
    background: #000;
    overflow: hidden;
  }

  .page-1 .carousel-inner {
    height: 100% !important;
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .page-1 .carousel-inner:has(#page-video.active) {
    overflow: hidden;
  }

  .page-1 .carousel-item.img-event,
  .page-1 .carousel-item#page-gallery {
    min-height: auto !important;
    height: auto !important;
    padding-bottom: 0 !important;
  }

  .page-1 .carousel-item#page-video:not(.active) {
    display: none !important;
    height: 0 !important;
    min-height: 0 !important;
    overflow: hidden;
  }

  .page-1 .carousel-item#page-video.active {
    display: flex !important;
    align-items: center;
    justify-content: center;
    min-height: 100%;
    height: 100% !important;
    padding: 8px 6px !important;
    background: #000;
  }

  .page-1 .carousel-item#page-video .video {
    position: relative !important;
    top: auto !important;
    right: auto !important;
    bottom: auto !important;
    left: auto !important;
    flex: 0 1 auto;
    width: 100% !important;
    height: 100% !important;
    max-width: 100%;
    max-height: 100%;
    aspect-ratio: unset !important;
    min-height: unset !important;
    background-size: contain !important;
    background-position: center center !important;
    background-repeat: no-repeat;
    background-color: #000;
  }

  .page-1 .carousel-item#page-video .video video {
    object-fit: contain;
    object-position: center center;
  }

  .page-1.carousel-cinematic.carousel-fade .carousel-item#page-video,
  .page-1.carousel-cinematic.carousel-fade .carousel-item#page-video.active {
    transform: none !important;
    filter: none !important;
  }
}

@media (max-width: 479px) {
  :root {
    --mobile-bar-h: 64px;
  }

  .game-nav__bar-label {
    font-size: 9px;
  }

  .game-nav__link {
    min-height: 50px;
    font-size: 14px;
  }
}

@media (max-width: 360px) {
  .game-nav__bar-label {
    font-size: 8px;
  }

  .game-nav__bar-icon {
    font-size: 18px;
  }
}

/* ========== Gallery — Hình Ảnh Game ========== */
.game-gallery {
  min-height: 100%;
  padding: 28px 20px 48px;
  padding-left: calc(20px + var(--nav-width, 248px) * 0.15);
  background:
    linear-gradient(rgba(8, 6, 4, 0.88), rgba(8, 6, 4, 0.92)),
    url("../images/bg.jpg") center center / cover no-repeat;
  box-sizing: border-box;
}

.game-gallery__title {
  font-family: "Cinzel", Georgia, serif;
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-align: center;
  color: #f5d76e;
  text-shadow: 0 0 16px rgba(212, 175, 55, 0.45);
  margin: 0 0 20px;
}

.game-gallery__banner {
  margin: 0 auto 16px;
  max-width: 1100px;
  overflow: hidden;
  border-radius: 10px;
  border: 1px solid rgba(212, 175, 55, 0.45);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.45);
}

.game-gallery__banner img {
  display: block;
  width: 100%;
  height: auto;
}

.game-gallery__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  max-width: 1100px;
  margin: 0 auto;
}

.game-gallery__item {
  margin: 0;
  overflow: hidden;
  border-radius: 10px;
  border: 1px solid rgba(212, 175, 55, 0.38);
  background: rgba(0, 0, 0, 0.45);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.45);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.game-gallery__item:hover {
  transform: translateY(-3px);
  border-color: rgba(212, 175, 55, 0.75);
  box-shadow: 0 10px 28px rgba(212, 175, 55, 0.2);
}

.game-gallery__item img {
  display: block;
  width: 100%;
  height: auto;
  vertical-align: middle;
}

@media (min-width: 992px) {
  .game-gallery__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
}

@media (max-width: 767px) {
  .game-gallery {
    min-height: auto;
    padding: 16px 12px 20px;
  }

  .game-gallery__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
}

@media (max-width: 479px) {
  .game-gallery {
    padding: 14px 10px 16px;
  }

  .game-gallery__grid {
    gap: 8px;
  }
}