/* ========================================
   川渝好门户 - 统一导航组件
   Unified Navigation Components
   ======================================== */

/* ========== 顶部导航栏 ========== */
.navbar {
    background: var(--cy-bg-white);
    box-shadow: var(--cy-shadow-sm);
    position: sticky;
    top: 0;
    z-index: var(--cy-z-sticky);
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--cy-spacing-lg);
    height: 64px;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--cy-spacing-sm);
    font-size: var(--cy-font-xl);
    font-weight: 700;
    color: var(--cy-primary);
    text-decoration: none;
}

.navbar-brand-icon {
    width: 36px;
    height: 36px;
    background: var(--cy-gradient-primary);
    border-radius: var(--cy-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: var(--cy-spacing-xs);
    list-style: none;
    margin: 0;
    padding: 0;
}

.navbar-item {
    position: relative;
}

.navbar-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    color: var(--cy-text-secondary);
    font-size: var(--cy-font-md);
    font-weight: 500;
    text-decoration: none;
    border-radius: var(--cy-radius-md);
    transition: var(--cy-transition-fast);
}

.navbar-link:hover {
    color: var(--cy-primary);
    background: rgba(var(--cy-primary-rgb), 0.05);
}

.navbar-link.active {
    color: var(--cy-primary);
    background: rgba(var(--cy-primary-rgb), 0.1);
}

.navbar-link::after {
    content: none;
}

/* 导航下拉菜单 */
.navbar-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 180px;
    background: var(--cy-bg-white);
    border: 1px solid var(--cy-border-light);
    border-radius: var(--cy-radius-md);
    box-shadow: var(--cy-shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--cy-transition);
    z-index: var(--cy-z-dropdown);
    margin-top: 8px;
    padding: 8px 0;
}

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

.navbar-dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--cy-spacing-sm);
    padding: 10px 16px;
    color: var(--cy-text-primary);
    font-size: var(--cy-font-md);
    text-decoration: none;
    transition: var(--cy-transition-fast);
}

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

.navbar-dropdown-divider {
    height: 1px;
    background: var(--cy-border-light);
    margin: 8px 0;
}

/* 导航操作区 */
.navbar-actions {
    display: flex;
    align-items: center;
    gap: var(--cy-spacing-sm);
}

/* ========== 侧边导航 ========== */
.sidebar-nav {
    background: var(--cy-bg-white);
    border-radius: var(--cy-radius-lg);
    box-shadow: var(--cy-shadow-sm);
    overflow: hidden;
}

.sidebar-nav-header {
    padding: var(--cy-spacing-md) var(--cy-spacing-lg);
    border-bottom: 1px solid var(--cy-border-light);
    font-size: var(--cy-font-lg);
    font-weight: 600;
    color: var(--cy-text-primary);
    display: flex;
    align-items: center;
    gap: var(--cy-spacing-sm);
}

.sidebar-nav-list {
    list-style: none;
    margin: 0;
    padding: var(--cy-spacing-sm) 0;
}

.sidebar-nav-item {
    margin: 0;
}

.sidebar-nav-link {
    display: flex;
    align-items: center;
    gap: var(--cy-spacing-md);
    padding: 12px var(--cy-spacing-lg);
    color: var(--cy-text-secondary);
    font-size: var(--cy-font-md);
    text-decoration: none;
    transition: var(--cy-transition-fast);
    border-left: 3px solid transparent;
}

.sidebar-nav-link:hover {
    background: var(--cy-bg-light);
    color: var(--cy-primary);
}

.sidebar-nav-link.active {
    background: rgba(var(--cy-primary-rgb), 0.05);
    color: var(--cy-primary);
    border-left-color: var(--cy-primary);
    font-weight: 500;
}

.sidebar-nav-icon {
    width: 20px;
    text-align: center;
    font-size: 18px;
}

.sidebar-nav-badge {
    margin-left: auto;
    padding: 2px 8px;
    background: var(--cy-primary);
    color: #fff;
    border-radius: var(--cy-radius-round);
    font-size: var(--cy-font-xs);
    font-weight: 600;
}

/* 侧边导航分组 */
.sidebar-nav-group {
    margin-top: var(--cy-spacing-sm);
}

.sidebar-nav-group-title {
    padding: 8px var(--cy-spacing-lg);
    font-size: var(--cy-font-sm);
    font-weight: 600;
    color: var(--cy-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ========== 面包屑导航 ========== */
.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--cy-spacing-xs);
    padding: var(--cy-spacing-md) 0;
    font-size: var(--cy-font-sm);
    list-style: none;
    margin: 0;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    color: var(--cy-text-secondary);
}

.breadcrumb-item a {
    color: var(--cy-text-secondary);
    transition: var(--cy-transition-fast);
}

.breadcrumb-item a:hover {
    color: var(--cy-primary);
}

.breadcrumb-item.active {
    color: var(--cy-primary);
    font-weight: 500;
}

.breadcrumb-separator {
    color: var(--cy-text-muted);
    margin: 0 4px;
}

.breadcrumb-separator::before {
    content: '/';
}

/* ========== 标签页导航 ========== */
.tabs-nav {
    display: flex;
    border-bottom: 2px solid var(--cy-border-light);
    gap: var(--cy-spacing-md);
    margin-bottom: var(--cy-spacing-lg);
}

.tabs-nav-item {
    position: relative;
}

.tabs-nav-link {
    display: block;
    padding: var(--cy-spacing-md) var(--cy-spacing-sm);
    color: var(--cy-text-secondary);
    font-size: var(--cy-font-md);
    font-weight: 500;
    text-decoration: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: var(--cy-transition-fast);
}

.tabs-nav-link:hover {
    color: var(--cy-primary);
}

.tabs-nav-link.active {
    color: var(--cy-primary);
    border-bottom-color: var(--cy-primary);
}

/* 标签页变体 - 卡片式 */
.tabs-nav-cards {
    border-bottom: none;
    gap: var(--cy-spacing-sm);
}

.tabs-nav-cards .tabs-nav-link {
    border: 1px solid var(--cy-border);
    border-radius: var(--cy-radius-round);
    padding: 8px 20px;
    margin-bottom: 0;
}

.tabs-nav-cards .tabs-nav-link.active {
    background: var(--cy-primary);
    border-color: var(--cy-primary);
    color: #fff;
}

/* 标签页变体 - 药丸式 */
.tabs-nav-pills {
    border-bottom: none;
    background: var(--cy-bg-light);
    border-radius: var(--cy-radius-round);
    padding: 4px;
    gap: 4px;
}

.tabs-nav-pills .tabs-nav-link {
    border-radius: var(--cy-radius-round);
    border-bottom: none;
    margin-bottom: 0;
    padding: 8px 16px;
}

.tabs-nav-pills .tabs-nav-link.active {
    background: var(--cy-bg-white);
    color: var(--cy-primary);
    box-shadow: var(--cy-shadow-sm);
}

/* ========== 分页导航 ========== */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    margin: var(--cy-spacing-lg) 0;
    list-style: none;
    padding: 0;
}

.pagination-item {
    display: inline-flex;
}

.pagination-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 10px;
    border: 1px solid var(--cy-border);
    border-radius: var(--cy-radius-md);
    color: var(--cy-text-secondary);
    font-size: var(--cy-font-md);
    text-decoration: none;
    transition: var(--cy-transition-fast);
}

.pagination-link:hover {
    border-color: var(--cy-primary);
    color: var(--cy-primary);
}

.pagination-item.active .pagination-link {
    background: var(--cy-primary);
    border-color: var(--cy-primary);
    color: #fff;
}

.pagination-item.disabled .pagination-link {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.pagination-ellipsis {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    color: var(--cy-text-muted);
}

/* 分页尺寸变体 */
.pagination-sm .pagination-link {
    min-width: 28px;
    height: 28px;
    font-size: var(--cy-font-sm);
}

.pagination-lg .pagination-link {
    min-width: 44px;
    height: 44px;
    font-size: var(--cy-font-lg);
}

/* ========== 步骤导航 ========== */
.steps {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--cy-spacing-xl);
}

.steps-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    position: relative;
}

.steps-item:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 16px;
    left: 50%;
    width: 100%;
    height: 2px;
    background: var(--cy-border);
}

.steps-item.completed::after {
    background: var(--cy-primary);
}

.steps-number {
    width: 32px;
    height: 32px;
    border-radius: var(--cy-radius-circle);
    background: var(--cy-bg-light);
    border: 2px solid var(--cy-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--cy-font-md);
    font-weight: 600;
    color: var(--cy-text-muted);
    position: relative;
    z-index: 1;
}

.steps-item.active .steps-number {
    background: var(--cy-primary);
    border-color: var(--cy-primary);
    color: #fff;
}

.steps-item.completed .steps-number {
    background: var(--cy-primary);
    border-color: var(--cy-primary);
    color: #fff;
}

.steps-item.completed .steps-number::before {
    content: '✓';
}

.steps-item.completed .steps-number span {
    display: none;
}

.steps-title {
    margin-top: var(--cy-spacing-sm);
    font-size: var(--cy-font-sm);
    color: var(--cy-text-muted);
    text-align: center;
}

.steps-item.active .steps-title,
.steps-item.completed .steps-title {
    color: var(--cy-primary);
    font-weight: 500;
}

/* ========== 返回顶部 ========== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 44px;
    height: 44px;
    background: var(--cy-gradient-primary);
    color: #fff;
    border: none;
    border-radius: var(--cy-radius-circle);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    cursor: pointer;
    box-shadow: var(--cy-shadow-primary);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--cy-transition);
    z-index: var(--cy-z-fixed);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(var(--cy-primary-rgb), 0.4);
}

/* ========== 移动端导航 ========== */
.mobile-nav-toggle {
    display: none;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-nav-toggle-bar {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--cy-text-primary);
    margin: 5px 0;
    transition: var(--cy-transition);
}

.mobile-nav-toggle.active .mobile-nav-toggle-bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-nav-toggle.active .mobile-nav-toggle-bar:nth-child(2) {
    opacity: 0;
}

.mobile-nav-toggle.active .mobile-nav-toggle-bar:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

.mobile-nav-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 280px;
    height: 100vh;
    background: var(--cy-bg-white);
    box-shadow: var(--cy-shadow-xl);
    transform: translateX(-100%);
    transition: var(--cy-transition);
    z-index: var(--cy-z-modal);
    overflow-y: auto;
}

.mobile-nav-sidebar.show {
    transform: translateX(0);
}

.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: var(--cy-transition);
    z-index: calc(var(--cy-z-modal) - 1);
}

.mobile-nav-overlay.show {
    opacity: 1;
    visibility: visible;
}

/* ========== 响应式导航 ========== */
@media screen and (max-width: 768px) {
    .navbar-menu {
        display: none;
    }
    
    .mobile-nav-toggle {
        display: block;
    }
    
    .navbar-container {
        height: 56px;
        padding: 0 var(--cy-spacing-md);
    }
    
    .steps {
        flex-direction: column;
        gap: var(--cy-spacing-md);
    }
    
    .steps-item {
        flex-direction: row;
        width: 100%;
    }
    
    .steps-item:not(:last-child)::after {
        top: 50%;
        left: 16px;
        width: 2px;
        height: calc(100% + var(--cy-spacing-md));
        transform: translateX(-50%);
    }
    
    .steps-title {
        margin-top: 0;
        margin-left: var(--cy-spacing-md);
        text-align: left;
    }
    
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 40px;
        height: 40px;
    }
}

/* ========== 导航徽标 ========== */
.nav-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    background: var(--cy-danger);
    color: #fff;
    font-size: 10px;
    font-weight: 600;
    border-radius: var(--cy-radius-round);
}

.nav-badge-dot {
    width: 8px;
    height: 8px;
    background: var(--cy-danger);
    border-radius: var(--cy-radius-circle);
}

/* ========== 导航搜索框 ========== */
.navbar-search {
    position: relative;
    width: 200px;
}

.navbar-search input {
    width: 100%;
    padding: 8px 12px 8px 36px;
    border: 1px solid var(--cy-border);
    border-radius: var(--cy-radius-round);
    font-size: var(--cy-font-sm);
    transition: var(--cy-transition);
}

.navbar-search input:focus {
    border-color: var(--cy-primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(var(--cy-primary-rgb), 0.1);
}

.navbar-search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--cy-text-muted);
}

@media screen and (max-width: 768px) {
    .navbar-search {
        display: none;
    }
}