/* Reset some basic elements */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Header Styling */
.site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    border-bottom: 1px solid #e0e0e0; /* Delimiting line */
}

.logo a {
    font-size: 1.5em;
    font-weight: bold;
    color: #333333;
    text-decoration: none;
}

.main-nav ul {
    list-style: none;
    display: flex;
}

.main-nav ul li {
    position: relative;
    margin-left: 20px;
    padding-left: 20px;
    border-left: 1px solid #e0e0e0; /* Delimiting line */
}

.main-nav ul li:first-child {
    margin-left: 0;
    padding-left: 0;
    border-left: none;
}

.main-nav ul li a {
    text-decoration: none;
    color: #333333;
    font-size: 1em;
    padding: 5px 0;
    display: block;
}

.main-nav ul li a:hover {
    color: #007BFF; /* Change color on hover */
}

/* Dropdown Styling */
.themes-dropdown:hover .dropdown {
    display: block;
}

.dropdown {
    display: none;
    position: absolute;
    top: 35px;
    left: 0;
    background-color: #ffffff;
    border: 1px solid #e0e0e0;
    min-width: 150px;
    z-index: 1000;
}

.dropdown li {
    padding: 10px;
    border-bottom: 1px solid #e0e0e0;
}

.dropdown li:last-child {
    border-bottom: none;
}

.dropdown li a {
    color: #333333;
}

.dropdown li a:hover {
    background-color: #f5f5f5;
}

/* Breadcrumb Styling */
.breadcrumb {
    padding: 10px 20px;
    background-color: #f9f9f9;
    border-bottom: 1px solid #e0e0e0;
    font-size: 0.9em;
}

.breadcrumb a {
    color: #007BFF;
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

/* Main Content Styling */
main {
    padding: 20px;
}

/* Footer Styling */
footer {
    text-align: center;
    padding: 15px 0;
    border-top: 1px solid #e0e0e0;
    width: 100%;
    bottom: 0;
}

/* Ensure the main container behaves in row direction by default */
#main-calculator-container {
    display: flex;
    flex-direction: row; /* Default to side-by-side */
}

/* Ensure content sections behave properly */
#content-section-wrapper {
    display: flex;
    flex-direction: row; /* Default to row */
    justify-content: space-between;
    width: 100%;
}

#input-section {
    flex: 1;
    max-width: 350px;
    background-color: #f0f0f0;
    border: 2px solid #d3d3d3;
    border-radius: 8px;
    margin-bottom: 20px;
}

#result-section {
    flex: 1;
    max-width: calc(100% - 350px); /* The remaining space */
    background-color: #ffffff;
}


/* Popular Section */
#popular-section {
    flex: 1; 
    max-width: 350px;
    background-color: #e6f6fa;
    border: 1px solid darkblue;
    padding: 15px;
    margin-top: 20px; /* Adds space between sections */
}

/* Responsive Design */
@media (max-width: 768px) {
    /* Main navigation stacking vertically on smaller screens */
    .main-nav ul {
        flex-direction: column;
    }

    .main-nav ul li {
        margin-left: 0;
        padding-left: 0;
        border-left: none;
        border-top: 1px solid #e0e0e0;
    }

    .main-nav ul li:first-child {
        border-top: none;
    }

    /* Stack sections vertically on mobile screens */
    #main-calculator-container {
        flex-direction: column; /* Stack sections vertically */
        gap: 20px; /* Adds space between stacked sections */
    }

    /* Make all sections full width on mobile */
    #input-section,
    #result-section,
    #popular-section {
        max-width: 100%; /* Full width for all sections */
        margin-bottom: 20px; /* Space between sections */
    }
}