/**
 * Pronature 品牌官网 - 导航栏样式
 * 设计风格：苹果设计风格 + 浅绿色毛玻璃效果
 * 版本：3.0
 */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--navbar-height);
    background: var(--glass-bg);
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000;
    transition: all var(--transition-smooth);
}

.navbar.scrolled {
    background: var(--glass-bg-dark);
    box-shadow: var(--shadow-md);
    height: calc(var(--navbar-height) - 10px);
}

.navbar.scrolled .navbar-brand img {
    height: 28px;
}

.navbar-container {
    max-width: var(--container-max-width);
    height: 100%;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.navbar-brand:hover {
    transform: scale(1.02);
}

.navbar-brand img {
    height: 36px;
    width: auto;
    transition: height var(--transition-smooth);
}

.navbar-brand-text {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.navbar-item {
    position: relative;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--border-radius-md);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
}

.navbar-item::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(135deg, rgba(52, 199, 89, 0.1), rgba(50, 215, 75, 0.05));
    opacity: 0;
    transition: opacity 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar-item:hover {
    color: var(--primary-color);
    font-weight: 600;
    transform: translateY(-1px);
}

.navbar-item:hover::before {
    opacity: 1;
}

.navbar-item.active {
    color: var(--primary-color);
    font-weight: 600;
}

.navbar-item.active::before {
    opacity: 1;
}

.navbar-item.active::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
}

.navbar-dropdown {
    position: relative;
}

.navbar-dropdown:hover {
    --dropdown-glow: 1;
}

.navbar-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--text-primary);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    position: relative;
}

.navbar-dropdown-toggle::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: var(--green-glass-bg);
    opacity: 0;
    transition: opacity 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar-dropdown-toggle:hover {
    color: var(--primary-color);
    font-weight: 600;
    transform: translateY(-1px);
}

.navbar-dropdown-toggle:hover::before {
    opacity: 1;
}

.navbar-dropdown-toggle.active {
    color: var(--primary-color);
    font-weight: 600;
}

.navbar-dropdown-toggle.active::before {
    opacity: 1;
}

.navbar-dropdown-toggle svg {
    width: 12px;
    height: 12px;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar-dropdown:hover .navbar-dropdown-toggle svg,
.navbar-dropdown.active .navbar-dropdown-toggle svg {
    transform: rotate(180deg);
}

.navbar-dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(-10px) scale(0.96);
    min-width: 280px;
    max-height: 480px;
    overflow-y: auto;
    padding: var(--spacing-sm);
    background: var(--glass-bg-dark);
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08), 0 2px 8px rgba(0, 0, 0, 0.04);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

.navbar-dropdown:hover .navbar-dropdown-menu,
.navbar-dropdown.active .navbar-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0) scale(1);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12), 0 4px 16px rgba(0, 0, 0, 0.06), 0 0 0 1px rgba(52, 199, 89, 0.08);
    pointer-events: auto;
}

.navbar-dropdown-menu::-webkit-scrollbar {
    width: 5px;
}

.navbar-dropdown-menu::-webkit-scrollbar-track {
    background: transparent;
    border-radius: 3px;
}

.navbar-dropdown-menu::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.12);
    border-radius: 3px;
    transition: background 0.2s ease;
}

.navbar-dropdown-menu::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.22);
}

.navbar-dropdown-item {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--border-radius-md);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    border-left: 3px solid transparent;
}

.navbar-dropdown-item::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(135deg, rgba(52, 199, 89, 0.08), rgba(52, 199, 89, 0.03));
    opacity: 0;
    transition: opacity 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar-dropdown-item:hover {
    background: transparent;
    color: var(--primary-color);
    font-weight: 600;
    transform: translateX(4px);
    border-left-color: var(--primary-color);
    box-shadow: inset 3px 0 0 var(--primary-color);
}

.navbar-dropdown-item:hover::before {
    opacity: 1;
}

.navbar-dropdown-item-wrapper {
    position: relative;
    width: 100%;
    border-radius: var(--border-radius-md);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar-dropdown-item-wrapper:hover {
    background: linear-gradient(135deg, rgba(52, 199, 89, 0.06), rgba(52, 199, 89, 0.02));
}

.navbar-dropdown-item.has-children {
    cursor: pointer;
    position: relative;
}

.navbar-dropdown-item.has-children::after {
    content: '';
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%) rotate(-45deg);
    width: 6px;
    height: 6px;
    border-right: 1.5px solid var(--text-tertiary);
    border-bottom: 1.5px solid var(--text-tertiary);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar-dropdown-item.has-children:hover::after {
    border-color: var(--primary-color);
    transform: translateY(-50%) rotate(-45deg) translateX(2px);
}

.navbar-dropdown-item.expanded::after {
    transform: translateY(-50%) rotate(45deg);
}

.navbar-submenu {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding-left: var(--spacing-lg);
    margin-top: 4px;
    margin-bottom: 4px;
    margin-left: 8px;
    border-left: 2px solid rgba(52, 199, 89, 0.15);
    background: linear-gradient(135deg, rgba(52, 199, 89, 0.04), transparent);
    border-radius: var(--border-radius-sm);
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.25s cubic-bezier(0.4, 0, 0.2, 1),
                padding 0.25s cubic-bezier(0.4, 0, 0.2, 1),
                margin 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

.navbar-dropdown-item-wrapper:hover .navbar-submenu,
.navbar-dropdown-item.has-children:hover + .navbar-submenu,
.navbar-dropdown-item.expanded + .navbar-submenu {
    max-height: 300px;
    opacity: 1;
    pointer-events: auto;
}

.navbar-submenu-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    border-left: 2px solid transparent;
    position: relative;
}

.navbar-submenu-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 0;
    background: linear-gradient(180deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
    transition: height 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar-submenu-item:hover {
    background: transparent;
    color: var(--primary-color);
    font-weight: 600;
    transform: translateX(4px);
}

.navbar-submenu-item:hover::before {
    height: 60%;
}

.navbar-submenu-item img {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    object-fit: contain;
}

.category-menu-icon {
    width: 24px;
    height: 24px;
    border-radius: var(--border-radius-sm);
    object-fit: contain;
    flex-shrink: 0;
    transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar-dropdown-item:hover .category-menu-icon {
    transform: scale(1.1);
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.navbar-search {
    position: relative;
    display: flex;
    align-items: center;
}

.navbar-search-input {
    width: 180px;
    height: 38px;
    padding: 0 var(--spacing-md) 0 40px;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    background: var(--bg-secondary);
    border: 1px solid transparent;
    border-radius: 100px;
    transition: all var(--transition-smooth);
    outline: none;
}

.navbar-search-input:focus {
    width: 240px;
    background: var(--bg-primary);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px var(--green-glass-bg);
}

.navbar-search-input::placeholder {
    color: var(--text-tertiary);
}

.navbar-search-icon {
    position: absolute;
    left: 14px;
    width: 16px;
    height: 16px;
    color: var(--text-tertiary);
    pointer-events: none;
    transition: color var(--transition-fast);
}

.navbar-search-input:focus + .navbar-search-icon,
.navbar-search:focus-within .navbar-search-icon {
    color: var(--primary-color);
}

.navbar-icon-btn {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    color: var(--text-primary);
    background: transparent;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.navbar-icon-btn:hover {
    background: var(--green-glass-bg);
    color: var(--primary-color);
    transform: scale(1.05);
}

.navbar-icon-btn:active {
    transform: scale(0.95);
}

.navbar-icon-btn svg {
    width: 22px;
    height: 22px;
}

.navbar-cart-badge {
    position: absolute;
    top: 2px;
    right: 2px;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    font-size: 11px;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 6px rgba(52, 199, 89, 0.4);
    animation: badgePulse 2s infinite;
}

@keyframes badgePulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.navbar-user {
    position: relative;
}

.navbar-user-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.navbar-user-toggle:hover {
    background: var(--green-glass-bg);
}

.navbar-user-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--green-glass-bg), var(--bg-secondary));
    border: 2px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    transition: all var(--transition-fast);
}

.navbar-user-toggle:hover .navbar-user-avatar {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.navbar-user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.navbar-user-avatar svg {
    width: 18px;
    height: 18px;
    color: var(--primary-color);
}

.navbar-user-name {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-primary);
    max-width: 80px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.navbar-user-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 200px;
    padding: var(--spacing-sm);
    background: var(--glass-bg-dark);
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-smooth);
}

.navbar-user:hover .navbar-user-menu,
.navbar-user.active .navbar-user-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.navbar-user-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--border-radius-md);
    transition: all var(--transition-fast);
}

.navbar-user-item:hover {
    background: var(--green-glass-bg);
    color: var(--primary-color);
}

.navbar-user-item svg {
    width: 16px;
    height: 16px;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.navbar-user-item:hover svg {
    color: var(--primary-color);
}

.navbar-user-divider {
    height: 1px;
    background: var(--glass-border);
    margin: var(--spacing-xs) var(--spacing-sm);
}

.navbar-user-logout {
    color: var(--danger-color);
}

.navbar-user-logout svg {
    color: var(--danger-color);
}

.navbar-mobile-toggle {
    display: none;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    background: transparent;
    border: none;
}

.navbar-mobile-toggle:hover {
    background: var(--green-glass-bg);
}

.navbar-mobile-toggle svg {
    width: 24px;
    height: 24px;
    color: var(--text-primary);
}

.navbar-mobile-toggle .icon-close {
    display: none;
}

.navbar-mobile-toggle.active .icon-menu {
    display: none;
}

.navbar-mobile-toggle.active .icon-close {
    display: block;
}

.navbar-mobile-menu {
    display: none;
    position: fixed;
    top: var(--navbar-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--glass-bg-dark);
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
    padding: var(--spacing-lg);
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-20px);
    transition: all var(--transition-smooth);
}

.navbar-mobile-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.navbar-mobile-search {
    display: none;
    position: relative;
    margin-bottom: var(--spacing-lg);
}

.navbar-mobile-search-input {
    width: 100%;
    height: 48px;
    padding: 0 var(--spacing-lg) 0 48px;
    font-size: var(--font-size-base);
    color: var(--text-primary);
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    outline: none;
}

.navbar-mobile-search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: var(--text-tertiary);
}

.navbar-mobile-nav {
    display: none;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.navbar-mobile-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-lg);
    font-weight: 500;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-fast);
}

.navbar-mobile-item:hover,
.navbar-mobile-item.active {
    background: var(--green-glass-bg);
    color: var(--primary-color);
}

.navbar-mobile-item svg {
    width: 16px;
    height: 16px;
    color: var(--text-tertiary);
    transition: transform var(--transition-fast);
}

.navbar-mobile-item.expanded svg {
    transform: rotate(180deg);
}

.navbar-mobile-submenu {
    display: none;
    flex-direction: column;
    gap: var(--spacing-xs);
    padding-left: var(--spacing-lg);
    margin-top: var(--spacing-xs);
}

.navbar-mobile-submenu.show {
    display: flex;
}

.navbar-mobile-subitem {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--border-radius-md);
    transition: all var(--transition-fast);
}

.navbar-mobile-subitem:hover {
    background: var(--green-glass-bg);
    color: var(--primary-color);
}

.navbar-mobile-actions {
    display: none;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--glass-border);
}

.navbar-mobile-user {
    display: none;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--green-glass-bg);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--spacing-md);
}

.navbar-mobile-user-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--green-glass-bg), var(--bg-secondary));
    border: 2px solid var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.navbar-mobile-user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.navbar-mobile-user-avatar svg {
    width: 24px;
    height: 24px;
    color: var(--primary-color);
}

.navbar-mobile-user-info {
    flex: 1;
}

.navbar-mobile-user-name {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-primary);
}

.navbar-mobile-user-desc {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

@media (max-width: 1024px) {
    .navbar-search-input {
        width: 140px;
    }
    
    .navbar-search-input:focus {
        width: 180px;
    }
    
    .navbar-user-name {
        display: none;
    }
    
    .navbar-container {
        padding: 0 var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    .navbar {
        height: 60px;
    }
    
    .navbar.scrolled {
        height: 56px;
    }
    
    .navbar-container {
        padding: 0 var(--spacing-md);
    }
    
    .navbar-brand img {
        height: 28px;
    }
    
    .navbar-brand-text {
        display: none;
    }
    
    .navbar-menu {
        display: none;
    }
    
    .navbar-search {
        display: none;
    }
    
    .navbar-mobile-toggle {
        display: flex;
    }
    
    .navbar-mobile-menu {
        display: block;
        top: 60px;
    }
    
    .navbar-mobile-search {
        display: block;
    }
    
    .navbar-mobile-nav {
        display: flex;
    }
    
    .navbar-mobile-actions {
        display: flex;
    }
    
    .navbar-mobile-user {
        display: flex;
    }
    
    .navbar-user {
        display: none;
    }
    
    .navbar-icon-btn {
        width: 38px;
        height: 38px;
    }
    
    .navbar-icon-btn svg {
        width: 20px;
        height: 20px;
    }
}

@media (max-width: 480px) {
    .navbar-container {
        padding: 0 var(--spacing-sm);
    }
    
    .navbar-brand img {
        height: 24px;
    }
    
    .navbar-mobile-menu {
        padding: var(--spacing-md);
    }
}

.navbar-overlay {
    display: none;
    position: fixed;
    top: var(--navbar-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 999;
    opacity: 0;
    transition: opacity var(--transition-smooth);
}

.navbar-overlay.show {
    display: block;
    opacity: 1;
}

.navbar-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.navbar-loading-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--green-glass-bg);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}