.header {
    background-color: var(--bg-primary);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-top {
    border-bottom: 1px solid var(--border-color);
}

.header-top-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.logo {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

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

.header-link {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--border-radius);
    transition: background-color 0.3s ease;
}

.header-link:hover {
    background-color: var(--bg-blue);
}

.header-nav {
    background-color: var(--bg-blue);
}

.header-nav-content {
    display: flex;
    gap: var(--spacing-xl);
    padding: var(--spacing-md) 0;
}

.nav-link {
    color: var(--primary-dark);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
}

.nav-link:hover {
    background-color: var(--primary-color);
    color: var(--text-on-primary);
}