.shop {
    margin: 0 10%;
}
.logo img {
    max-width: 100%;
    height: auto;
}
.search {
    display: flex;
    justify-content: center;
}
#text-search {
    height: 40px;
    padding: 0 16px;
    background-color: #F0F0F0;
    font-family: inherit; /* Đặt lại font chữ mặc định */
    outline: none;
    border: 1px solid #00bbb3;
    border-right: none;
    border-radius: 999px 0px 0px 999px;
    box-shadow: none; /* Xóa bỏ hiệu ứng viền xanh */
}
#text-search:focus {
    border-color: #00bbb3; /* Đặt viền khi focus giống như lúc bình thường */
}
#btn-search {
    height: 40px;
    background-color: #F0F0F0;
    border: 1px solid #00bbb3;
    border-left: none;
    border-radius: 0px 999px 999px 0px;
}
#btn-search:hover {
    background-color: #28a745;
    cursor: pointer;
}
#text-search:hover {
    background-color: white;
}
.dropdown-item {
    transition: background-color 0.2s ease; /* Hiệu ứng mượt */
}
.dropdown-item:hover {
    background-color: #9e9e9e3e !important;
}
/* navigation */
.container-fluid {
    height: 100%;
}
#collapsibleNavbar {
    height: 100%;
    align-items: center; /* Căn giữa dọc */
    justify-content: center;
}
#nav {
    line-height: 2.5;
    font-size: 12px;
    background-color: #00bbb3;
    justify-content: center;
    align-items: center;
    z-index: 100;
    transition: all 0.5s ease-in-out;
    padding-top: 0;
    padding-bottom: 0;
}
.navbar-brands {
    padding: 2px 15px;
    font-weight: bolder;
    font-size: 15px;
    min-height: 44px;
    text-transform: uppercase !important;
    color: white;
    outline: none;
}
#nav .navbar-brands:hover {
    color: red;
}
#nav .nav-item{
    margin: 0 5px;
}
#nav ul{
    list-style: none;
}
#nav .navbar-nav .nav-item{
    display: inline-block;
}
#nav li{
    position: relative;
    margin: 0 5px 0 5px;
}
#nav li:hover{
    background-color: #fa9e14;
    color: white;
}
#nav li:active{
    background-color: red;
    color: white;
}
#nav li a {
    height: 100%;
    display: block;
    text-transform: uppercase !important;
    font-weight: bolder;
    color: white;
}
#nav .dropdown-menu a{
    color: #606060;
    text-align: center;
    font-size: .8em;

}
#nav .dropdown-menu li a:hover{
    background-color: blue;
    color: white;
}
#nav .dropdown-menu{
    min-width: 100%;
    border-radius: 0.25rem;
    border: 1px solid rgba(0,0,0,.15);
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
}
#nav.sticky{
    position: fixed;
    width: 100%;
    opacity: 0.9;
    top: 0;
}
#nav .nav-item #admin, .colored-letter {
    background: linear-gradient(45deg, #ff0000, #ff8000, #ffff00, #80ff00, #00ff80, #0080ff, #8000ff);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: rainbow-animation 5s linear infinite;
}
@keyframes rainbow-animation {
    0% {
        background-position: 0% 50%;
        color: #ff2200;
    }
    16.666% {
        background-position: 100% 50%;
        color: #d9ff00;
    }
    33.333% {
        background-position: 0% 50%;
        color: #00ff3c;
    }
    50% {
        background-position: 100% 50%;
        color: #00bfff;
    }
    66.666% {
        background-position: 0% 50%;
        color: #0000ff;
    }
    83.333% {
        background-position: 100% 50%;
        color: #d900ff;
    }
    100% {
        background-position: 0% 50%;
        color: #ff0084;
    }
}