#menu-scroll {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  background: rgba(255, 152, 0, 0.15); /* Cam nhẹ */
  backdrop-filter: blur(10px);
  border-radius: 5px;
  padding: 8px 12px;
  overflow-x: auto;
  max-width: 95%;
  white-space: nowrap;
  z-index: 9999;
  box-shadow: 0 4px 20px rgba(255, 152, 0, 0.2);
  scrollbar-width: thin;
  scrollbar-color: #FFA726 transparent;
}

/* Scrollbar đẹp hơn cho Webkit */
#menu-scroll::-webkit-scrollbar {
  height: 6px;
}
#menu-scroll::-webkit-scrollbar-track {
  background: transparent;
}
#menu-scroll::-webkit-scrollbar-thumb {
  background: #FFA726;
  border-radius: 5px;
}

.room-card {
 width: 113px;
    height: 78px;
    border-radius: 6px;
    background-size: cover;
    background-position: center;
    position: relative;
    flex-shrink: 0;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
    opacity: 0.9;
    overflow: hidden;
    border: 1px solid var(--stroke-glas, rgba(229, 199, 141, 0.51));
}

.room-card span {
     border: 0px solid rgb(0, 0, 0);
    color: rgb(255 255 255);
    cursor: default;
    height: 20px;
    left: 0px;
    position: absolute;
    top: calc(50% - 10px);
    visibility: inherit;
    width: 100%;
    pointer-events: none;
    text-shadow: rgb(0 0 0 / 53%) 1px 1px 2px;
    transform-origin: 100% 100%;
    transition: opacity 200ms;
    opacity: 1;
    text-align: center;
    z-index: 99;
}

.room-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.4), transparent);
  border-radius: 5px;
}

.room-card:hover {
  transform: scale(1.05);
  opacity: 1;
  box-shadow: 0 4px 20px rgba(255, 152, 0, 0.25);
}
    
    #toggle-menu-btn {
    position: fixed;
    bottom: 90px;
    left: 50%;
    transform: translateX(-50%);
    background: white;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
    z-index: 10000;
    transition: all 0.3s ease;
  }

  #toggle-menu-btn:hover {
    background: #f4f4f4;
    transform: translateX(-50%) scale(1.08);
  }

  #toggle-menu-icon {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
    position: absolute;
  }

  #toggle-menu-btn.up #toggle-menu-icon {
    transform: rotate(180deg);
  }

#toggle-menu-btn.up {
  bottom: 20px;
  }
  #menu-scroll {
    transition: transform 0.4s ease, opacity 0.3s ease;
  }

 .toggle-menu-btn-tooltip   {
    display: none;
    transform: translatey(-150%);
    color: #ffffff;
    padding: 8px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    white-space: nowrap;
    z-index: 100;
    background: rgb(255 255 255 / 15%);
    backdrop-filter: blur(9px);
    font-size: 12px;
        }

  #toggle-menu-btn:hover .toggle-menu-btn-tooltip {
     display: block;
     
    }


      


      .nav {
position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 30rem;
    z-index: 50;
    display: flex
;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 2rem;
    border-radius: 5px;
    backdrop-filter: blur(16px);
    flex-direction: column-reverse;

    }

    .nav ul {
      display: flex;
      gap: 1.5rem;
      list-style: none;
      color: white;
      font-weight: 500;
    }
    .nav li {
      padding: 0.5rem 1rem;
      border-radius: 5px;
      transition: 0.3s;
    }
    .nav li:hover {
background: rgb(247 247 247 / 15%);
    backdrop-filter: blur(8px);
    transform: scale(1.3);
    font-weight: bold;
    }
    .submenu {
      position: absolute;
      top: 100%;
      left: 0;
      background: rgba(255,255,255,0.2);
      backdrop-filter: blur(16px);
      padding: 0.5rem;
      display: none;
      flex-direction: column;
      gap: 0.5rem;
      border-radius: 8px;
      animation: fadeIn 0.3s ease-in-out;
    }
    .nav li:hover .submenu {
      display: flex;
    }
    @keyframes fadeIn {
      from { opacity: 0; transform: translateY(-10px); }
      to { opacity: 1; transform: translateY(0); }
    }
    .menu-toggle {
      display: none;
      font-size: 1.5rem;
      cursor: pointer;
      color: white;
      transition: transform 0.3s ease;
    }
    .menu-toggle.open {
      transform: rotate(90deg) scale(1.2);
    }
    .mobile-overlay {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: rgba(0, 0, 0, 0.3);
      backdrop-filter: blur(12px);
      z-index: 0;
      color: white;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 1.5rem;
      font-size: 1.25rem;
      animation: slideFade 0.4s ease;
    }
    .mobile-overlay a, .mobile-overlay summary {
      cursor: pointer;
      transition: all 0.3s ease;
            text-transform: uppercase;

    }
    .mobile-overlay a:hover, .mobile-overlay summary:hover {
      color: #f7a92f;
        transform: scale(1.05);

    }
    @keyframes slideFade {
      from { opacity: 0; transform: translateY(20px); }
      to { opacity: 1; transform: translateY(0); }
    }
    .center-content {
      height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 2rem;
      font-weight: 300;
      text-align: center;
    }
    @media (max-width: 640px) {
      .nav ul {
        display: none;
      }
      .nav {
        position: fixed;
      top: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 100%;
      max-width: 1200px;
      z-index: 50;
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 1rem 2rem;
      background: none !important;
      box-shadow: 0 0px 0px rgba(0,0,0,0.0);
          flex-direction: row-reverse !important;
          backdrop-filter: blur(0px);
      }
      .menu-toggle {
        display: block;

      }
    }