/* LU88 Vietnam 导航栏样式 - 2023版 */

/* Navigation Styles */
.main-nav {
    background: #00688d !important;
    background: var(--primary-color) !important;
    background: var(--gradient-primary) !important;
    padding: var(--spacing-sm) 0;
    box-shadow: var(--shadow-md);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    position: relative;
    z-index: 99;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Main Menu */
.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item {
    position: relative;
}

.nav-link {
    color: var(--text-light);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.nav-link:hover {
    background: rgba(255,255,255,0.1);
    color: var(--text-light);
}

.nav-link i {
    font-size: 1rem;
}

/* Dropdown Menu */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    padding: var(--spacing-xs);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-normal);
    z-index: 100;
}

.nav-item:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.dropdown-item:hover {
    background: var(--bg-color);
    color: var(--primary-color);
}

/* Mobile Menu Button */
.mobile-menu-button {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-light);
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--spacing-xs);
}

/* Search Form */
.nav-search {
    position: relative;
    margin-left: auto;
}

.search-input {
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    color: var(--text-light);
    padding: 0.5rem 2.5rem 0.5rem 1rem;
    border-radius: var(--radius-md);
    width: 200px;
    transition: all var(--transition-normal);
}

.search-input::placeholder {
    color: rgba(255,255,255,0.7);
}

.search-input:focus {
    background: rgba(255,255,255,0.2);
    border-color: rgba(255,255,255,0.3);
    width: 300px;
}

.search-button {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    padding: 0;
}

/* Responsive Navigation */
@media (max-width: 992px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--primary-color);
        padding: var(--spacing-md);
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .mobile-menu-button {
        display: block;
    }
    
    .dropdown-menu {
        position: static;
        background: transparent;
        box-shadow: none;
        padding: 0;
        margin-top: var(--spacing-xs);
        border-left: 2px solid rgba(255,255,255,0.2);
    }
    
    .dropdown-item {
        color: var(--text-light);
        padding: var(--spacing-xs) var(--spacing-md);
    }
    
    .dropdown-item:hover {
        background: rgba(255,255,255,0.1);
        color: var(--text-light);
    }
    
    .nav-search {
        width: 100%;
        margin: var(--spacing-md) 0;
    }
    
    .search-input,
    .search-input:focus {
        width: 100%;
    }
}

/* Animation */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.main-nav {
    animation: fadeInDown 0.5s ease;
}

/* 为导航项添加图标 */
.main-menu a::before {
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    margin-right: 8px;
    font-size: 14px;
}

.main-menu li:nth-child(1) a::before { content: "\f015"; } /* 首页 */
.main-menu li:nth-child(2) a::before { content: "\f091"; } /* 体育 */
.main-menu li:nth-child(3) a::before { content: "\f11b"; } /* 游戏 */
.main-menu li:nth-child(4) a::before { content: "\f3e0"; } /* 真人娱乐 */
.main-menu li:nth-child(5) a::before { content: "\f005"; } /* 优惠活动 */

/* HOT标签 */
.main-menu a.hot::after {
    content: "HOT";
    background-color: #e74c3c;
    color: white;
    font-size: 10px;
    padding: 2px 4px;
    border-radius: 3px;
    margin-left: 5px;
    position: absolute;
    top: 6px;
    right: 6px;
}

/* 移动端样式 */
@media (max-width: 768px) {
    .main-menu-container {
        display: none;
    }
}