/* Header Layout */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

[data-theme="dark"] .header {
    background-color: rgba(0, 0, 0, 0.95);
    border-bottom-color: rgba(255, 255, 255, 0.1);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-4) var(--spacing-4);
    height: 60px;
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

/* Add padding to main content to prevent it from being hidden under fixed header */
body {
    padding-top: 60px;
}

/* Mobile Menu Styles */
:root {
    /* Base colors */
    --text-primary: #333333;
    --text-secondary: #666666;
    --background-color: #ffffff;
    --border-color: rgba(0, 0, 0, 0.1);
    
    /* Spacing */
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-8: 2rem;
    
    /* Transitions */
    --transition-all: all 0.3s ease;
    --transition-transform: transform 0.3s ease;
    
    /* Border radius */
    --radius-md: 0.375rem;
    --radius-full: 9999px;
}

/* Dark mode variables */
[data-theme="dark"] {
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --background-color: #1a1a1a;
    --border-color: rgba(255, 255, 255, 0.1);
}

.mobile-menu-toggle {
    display: none !important; /* Completely hide mobile menu toggle */
}

.mobile-menu-toggle:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] .mobile-menu-toggle:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.hamburger-line {
    width: 1.25rem;
    height: 2px;
    background-color: var(--text-primary);
    border-radius: var(--radius-full);
    transition: var(--transition-all);
    transform-origin: center;
    display: block;
    margin-bottom: 0.25rem;
}

/* Mobile Menu Navigation */
@media screen and (max-width: 768px) {
    .mobile-menu-toggle {
        display: none !important; /* Force hide mobile menu toggle */
    }

    .navigation {
        display: none !important; /* Completely hide navigation on mobile */
    }

    .navigation.active {
        transform: translateX(0);
        box-shadow: var(--shadow-lg);
    }

    .nav-list {
        display: none;
        flex-direction: column;
        gap: var(--spacing-4);
        width: 100%;
        padding: 0;
        margin: 0;
        list-style: none;
        opacity: 0;
        transition: opacity 0.3s ease;
    }

    .navigation.active .nav-list {
        display: flex;
        opacity: 1;
    }
    
    .navigation.active {
        transform: translateX(0);
        box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
    }

    .nav-list {
        display: flex;
        list-style: none;
        gap: var(--spacing-8);
        margin: 0;
        padding: 0;
        align-items: center;
        flex-direction: column;
        width: 100%;
    }
    
    .navigation.active {
        transform: translateX(0);
    }

    .nav-item {
        position: relative;
        width: 100%;
    }    .nav-item {
        margin: 0;
        padding: 0;
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-link {
        display: flex;
        align-items: center;
        gap: var(--spacing-2);
        padding: var(--spacing-3) var(--spacing-2);
        color: var(--text-secondary);
        text-decoration: none;
        font-size: var(--font-size-base);
        font-weight: 500;
        transition: var(--transition-all);
        width: 100%;
        line-height: var(--line-height-normal);
    }

    .nav-link:hover {
        color: var(--text-primary);
        background-color: rgba(0, 0, 0, 0.05);
    }

    [data-theme="dark"] .nav-link:hover {
        background-color: rgba(255, 255, 255, 0.1);
    }

    .navigation.active {
        transform: translateX(0);
    }

    .nav-list {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-item {
        width: 100%;
        text-align: left;
    }

    .nav-link {
        display: flex;
        align-items: center;
        gap: var(--spacing-1);
        font-size: var(--font-size-sm);
        font-weight: 400;
        color: #666666;
        text-decoration: none;
        transition: color 0.3s ease;
        width: 100%;
        padding: var(--spacing-3) var(--spacing-4);
    }

    .nav-link:hover {
        color: var(--text-primary);
        background-color: rgba(0, 0, 0, 0.05);
        border-radius: var(--radius-md);
    }

    [data-theme="dark"] .nav-link {
        color: #cccccc;
    }

    [data-theme="dark"] .nav-link:hover {
        color: #ffffff;
        background-color: rgba(255, 255, 255, 0.1);
    }

    /* Hamburger Animation */
    .mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
        transform: translateY(0.375rem) rotate(45deg);
    }

    .mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
        opacity: 0;
        transform: scale(0);
    }

    .mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
        transform: translateY(-0.375rem) rotate(-45deg);
    }

    /* Prevent body scroll when menu is open */
    body.menu-open {
        overflow: hidden;
    }

    /* Dark theme adjustments */
    [data-theme="dark"] .navigation {
        background-color: var(--nav-bg);
    }

    [data-theme="dark"] .hamburger-line {
        background-color: #ffffff;
    }

    [data-theme="dark"] .mobile-menu-toggle {
        color: #ffffff;
    }

    /* Make sure the hamburger lines stay white even when menu is open */
    [data-theme="dark"] .mobile-menu-toggle[aria-expanded="true"] .hamburger-line {
        background-color: #ffffff;
    }

    /* Navigation Groups */
    .nav-list .auth-links {
        margin-top: 1rem;
        border-top: none;
    }

    /* Theme Toggle in Mobile Menu */
    .nav-list .theme-toggle {
        margin-top: 1rem;
        width: 100%;
        justify-content: flex-start;
        padding: 0.75rem 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        color: #ffffff;
    }
    
    /* Remove border from last items */
    .nav-item:last-child,
    .nav-list .theme-toggle:last-child {
        border-bottom: none;
    }
    
    /* Ensure nav items are always visible in mobile menu */
    @media screen and (max-width: 768px) {
        .navigation {
            display: flex;
            opacity: 0;
            pointer-events: none;
        }
        
        .navigation.active {
            opacity: 1;
            pointer-events: all;
        }
        
        .nav-list {
            opacity: 1;
            display: flex !important;
        }
    }

    /* Dark Theme Specific Styles */
    [data-theme="dark"] .navigation {
        background-color: var(--dark-bg);
    }

    [data-theme="dark"] .nav-link {
        color: var(--dark-text);
    }

    [data-theme="dark"] .nav-link:hover {
        color: var(--primary-color);
    }

    /* Active Navigation State */
    .nav-link.active {
        color: var(--primary-color);
    }
}