/* Header CSS - Base Structure Only (Fonts handled by header-custom.css) */
.site-header {
    position: relative;
    background: #FFF9E5;
    padding: 0;
    height: 100px;
    box-shadow: 0 1px 5px rgba(0, 0, 0, 0.03);
    z-index: 1000;
    display: flex;
    align-items: center;
}

.navbar {
    padding: 0;
    height: 100%;
}

.navbar-brand {
    padding: 0;
    margin-right: 0;
    flex: 0 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
}

.navbar-brand img {
    max-height: 80px;
    width: auto;
}

.navbar-collapse {
    justify-content: space-between;
    height: 100%;
    align-items: center;
}

.navbar-nav {
    gap: 10px;
    margin: 0 auto;
    height: 100%;
    align-items: center;
}

/* Font styles removed - handled by header-custom.css */
.nav-link {
    padding: 0.5rem 1rem !important;
    position: relative;
}

.thong-bao {
    background-color: #ff9500;
    color: white !important;
    border-radius: 5px;
}

.thong-bao:hover {
    background-color: #e08400;
    color: white !important;
}

.thong-bao.active {
    background-color: #e08400;
    color: white !important;
}

/* Language Selector */
.language-selector-wrapper {
    display: flex;
    align-items: center;
    margin-left: 20px;
    flex: 0 0 auto;
    height: 100%;
}

.language-selector {
    display: flex;
    align-items: center;
}

.selected-language {
    display: flex;
    align-items: center;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 20px;
    padding: 2px 10px 2px 2px;
    background-color: #fff;
}

.flag-circle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.1);
    background-color: #fff;
}

.flag-circle.active {
    border-color: #ff9500;
}

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

.lang-name {
    margin-left: 5px;
    /* Font styles moved to header-custom.css */
}

.language-item {
    text-decoration: none;
    transition: transform 0.2s ease;
}

.language-item:hover {
    transform: scale(1.1);
}

/* Decorative Elements */
.decore-elements {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    overflow: hidden;
    z-index: -1;
}

.ellipse {
    position: absolute;
    width: 400px;
    height: 400px;
    top: -200px;
    left: -200px;
    background-color: rgba(89, 177, 230, 0.1);
    border-radius: 50%;
    filter: blur(50px);
}

.decore-wrapper {
    position: absolute;
    width: 300px;
    height: 300px;
    top: -50px;
    right: 0;
}

.decore-2 {
    width: 100%;
    height: auto;
    opacity: 0.4;
}

.layer {
    position: absolute;
    bottom: -100px;
    left: 0;
    width: 100%;
    height: auto;
    opacity: 0.1;
}

/* Responsive Styles */
@media (max-width: 992px) {
    .site-header {
        height: auto;
        padding: 15px 0;
    }
    
    .navbar-brand img {
        max-height: 50px;
    }
    
    .navbar-collapse {
        background-color: #fff;
        padding: 15px;
        border-radius: 5px;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        margin-top: 10px;
        flex-direction: column;
        height: auto;
    }
    
    .navbar-nav {
        margin: 0 0 15px 0;
        gap: 5px;
        width: 100%;
        height: auto;
    }
    
    .nav-item {
        margin: 5px 0;
    }
    
    .language-selector-wrapper {
        margin: 10px 0 0 0;
        justify-content: center;
        width: 100%;
        height: auto;
    }
    
    .language-selector {
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .navbar-brand img {
        max-height: 40px;
    }
    
    .site-header {
        padding: 10px 0;
    }
    
    .navbar-toggler {
        padding: 4px 8px;
        font-size: 1rem;
    }
}