/* Header Styles */
.site-header {
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: var(--z-index-30);
    padding: var(--spacing-4) 0;
}

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

.logo-container {
    display: flex;
    align-items: center;
}

.logo {
    font-family: var(--font-family-heading);
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary-800);
    transition: color var(--transition-fast);
}

.logo:hover {
    color: var(--color-accent-500);
}

.main-nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    gap: var(--spacing-6);
}

.nav-list a {
    color: var(--color-neutral-800);
    font-weight: var(--font-weight-medium);
    position: relative;
    padding: var(--spacing-2) 0;
}

.nav-list a:hover,
.nav-list a.active {
    color: var(--color-primary-700);
}

.nav-list a.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    /*left: 0;*/
    width: 100%;
    height: 2px;
    background-color: var(--color-accent-500);
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--color-accent-500);
    transition: all var(--transition-normal);
    transform: translateX(-50%);
}

.nav-list a:hover::after {
    width: 100%;
}

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

.auth-buttons {
    display: flex;
    gap: var(--spacing-3);
}

.language-switcher {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    cursor: pointer;
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-fast);
}

.language-switcher:hover {
    background-color: var(--color-neutral-100);
}

.current-language {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    color: var(--color-neutral-800);
    font-weight: var(--font-weight-medium);
}

.current-language::after {
    content: '▼';
    font-size: var(--font-size-xs);
    color: var(--color-neutral-500);
}

.language-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background-color: var(--color-white);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    min-width: 150px;
    margin-top: var(--spacing-2);
    padding: var(--spacing-2) 0;
    z-index: var(--z-index-30);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-normal);
}

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

.language-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-4);
    color: var(--color-neutral-700);
    transition: all var(--transition-fast);
}

.language-option:hover {
    background-color: var(--color-primary-50);
    color: var(--color-primary-700);
}

.language-option.active {
    background-color: var(--color-primary-50);
    color: var(--color-primary-700);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    width: 30px;
    height: 21px;
    justify-content: space-between;
    cursor: pointer;
}

.mobile-menu-toggle span {
    display: block;
    height: 3px;
    width: 100%;
    background-color: var(--color-neutral-800);
    border-radius: 3px;
    transition: all var(--transition-normal);
}

.user-menu {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    cursor: pointer;
}

.user-name {
    font-weight: var(--font-weight-medium);
    color: var(--color-neutral-800);
}

.user-menu::after {
    content: '▼';
    font-size: var(--font-size-xs);
    color: var(--color-neutral-500);
    margin-left: var(--spacing-1);
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background-color: var(--color-white);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    min-width: 200px;
    margin-top: var(--spacing-2);
    padding: var(--spacing-2) 0;
    z-index: var(--z-index-30);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-normal);
}

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

.user-dropdown a {
    display: block;
    padding: var(--spacing-2) var(--spacing-4);
    color: var(--color-neutral-700);
    transition: all var(--transition-fast);
}

.user-dropdown a:hover,
.user-dropdown a.active {
    background-color: var(--color-primary-50);
    color: var(--color-primary-700);
}

.user-dropdown a.logout {
    border-top: 1px solid var(--color-neutral-200);
    margin-top: var(--spacing-2);
    color: var(--color-error-500);
}

.user-dropdown a.logout:hover {
    background-color: var(--color-error-50);
}

/* Responsive styles */
@media (max-width: 992px) {
    .nav-list {
        gap: var(--spacing-4);
    }

    .auth-buttons {
        gap: var(--spacing-2);
    }
}

@media (max-width: 768px) {
    .site-header {
        padding: var(--spacing-3) 0;
    }

    .mobile-menu-toggle {
        display: flex;
        z-index: var(--z-index-40);
    }

    .main-nav {
        position: relative;
    }

    .nav-list {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        max-width: 300px;
        height: 100vh;
        background-color: var(--color-white);
        flex-direction: column;
        gap: 0;
        padding: var(--spacing-20) var(--spacing-4) var(--spacing-8);
        box-shadow: var(--shadow-xl);
        transition: right var(--transition-normal);
        z-index: var(--z-index-30);
    }

    .nav-list.active {
        right: 0;
    }

    .nav-list a {
        display: block;
        padding: var(--spacing-3) 0;
        border-bottom: 1px solid var(--color-neutral-200);
    }

    .nav-list a::after {
        display: none;
    }

    .mobile-menu-toggle.active span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }

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

    .mobile-menu-toggle.active span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }

    .language-switcher {
        margin-left: auto;
    }
}

@media (max-width: 576px) {
    .logo {
        font-size: var(--font-size-xl);
    }

    .auth-buttons .btn {
        padding: var(--spacing-1) var(--spacing-3);
        font-size: var(--font-size-sm);
    }

    .header-actions {
        gap: var(--spacing-2);
    }
}