/* KodaTools 统一导航栏样式 - 使用高优先级选择器避免冲突 */

/* 顶部Logo和导航 */
.top-header {
    background: #fff !important;
    border-bottom: 1px solid #e8e8e8 !important;
    padding: 0 20px !important;
    position: sticky !important;
    top: 0 !important;
    z-index: 1000 !important;
    margin: 0 !important;
    width: 100% !important;
}

.top-nav {
    max-width: 1400px !important;
    margin: 0 auto !important;
    display: flex !important;
    align-items: center !important;
    height: 60px !important;
}

.top-header .logo {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    font-size: 24px !important;
    font-weight: bold !important;
    color: #1890ff !important;
    margin-right: 40px !important;
    text-decoration: none !important;
}

.top-header .logo-text {
    display: flex !important;
    flex-direction: column !important;
    line-height: 1.2 !important;
}

.top-header .logo-title {
    font-size: 20px !important;
    color: #1890ff !important;
}

.top-header .logo-subtitle {
    font-size: 11px !important;
    color: #999 !important;
    font-weight: normal !important;
}

.top-header .main-menu {
    display: flex !important;
    gap: 0 !important;
    flex: 1 !important;
}

.top-header .menu-item {
    padding: 0 20px !important;
    height: 60px !important;
    display: flex !important;
    align-items: center !important;
    color: #333 !important;
    cursor: pointer !important;
    transition: all 0.3s !important;
    position: relative !important;
    text-decoration: none !important;
}

.top-header .menu-item:hover {
    color: #1890ff !important;
    background: rgba(24, 144, 255, 0.05) !important;
}

/* 大型下拉菜单面板 */
.top-header .mega-dropdown {
    position: fixed !important;
    top: 60px !important;
    left: 0 !important;
    right: 0 !important;
    background: #fff !important;
    border-bottom: 1px solid #e8e8e8 !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15) !important;
    display: none !important;
    padding: 20px !important;
    z-index: 999 !important;
}

.top-header .menu-item:hover .mega-dropdown {
    display: block !important;
}

.top-header .dropdown-content {
    max-width: 1400px !important;
    margin: 0 auto !important;
    display: grid !important;
    grid-template-columns: repeat(4, 1fr) !important;
    gap: 30px !important;
}

.top-header .dropdown-column {
    display: flex !important;
    flex-direction: column !important;
    gap: 8px !important;
}

.top-header .dropdown-link {
    color: #1890ff !important;
    padding: 4px 0 !important;
    transition: all 0.3s !important;
    text-decoration: none !important;
}

.top-header .dropdown-link:hover {
    text-decoration: underline !important;
}

.top-header .search-box {
    margin-left: auto !important;
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
}

.top-header .search-input {
    width: 280px !important;
    height: 32px !important;
    padding: 0 12px !important;
    border: 1px solid #d9d9d9 !important;
    border-radius: 2px !important;
    outline: none !important;
}

.top-header .search-input:focus {
    border-color: #1890ff !important;
}

.top-header .theme-toggle, 
.top-header .user-avatar {
    width: 32px !important;
    height: 32px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    cursor: pointer !important;
    font-size: 20px !important;
}

/* 响应式 */
@media (max-width: 768px) {
    .top-header .main-menu {
        display: none !important;
    }
    
    .top-header .search-input {
        width: 200px !important;
    }
    
    .top-header .mega-dropdown {
        display: none !important;
    }
}