@font-face {
    font-family: 'Varela Round';
    src: url('VarelaRound-Regular.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

/* --- Base & Mobile-First Styles --- */
html {
    box-sizing: border-box;
}
*, *:before, *:after {
    box-sizing: inherit;
}

body {
    margin: 0;
    font-family: 'Varela Round', sans-serif;
    background-color: #fff;
    color: #333;
}

.banner {
    background-color: #f8f9fa;
    border-bottom: 1px solid #dee2e6;
    padding-bottom: 1rem;
    text-align: center;
    font-family: 'Varela Round', sans-serif;
}

.banner h1, .banner h2 {
    margin-top: -20px;
    color: #111;
}

.banner a {
    text-decoration: none;
    color: inherit;
}

.actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin-top: 1rem;
}

.btn {
    display: inline-block;
    background-color: #007bff;
    color: white;
    padding: 8px 16px;
    text-decoration: none;
    border-radius: 4px;
    font-size: 0.9em;
    font-weight: bold;
    border: 1px solid #007bff;
    transition: background-color 0.2s;
}

.btn:hover {
    background-color: #0069d9;
}

.btn-outline {
    background-color: transparent;
    color: #007bff;
}

.btn-outline:hover {
    background-color: #007bff;
    color: white;
}

/* --- Reusable Layout System --- */
.container {
    width: 100%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 1rem;
}

.row {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
}

.col {
    flex: 1;
    min-width: 280px;
}

/* --- Main Layout Structure --- */
main {
    padding: 1rem 0;
}

/* --- Desktop Layouts --- */
@media (min-width: 768px) {
    body {
        display: flex;
        flex-direction: column;
        height: 100vh;
        overflow: hidden;
    }

    .banner {
        flex-shrink: 0;
    }

    main {
        flex-grow: 1;
        overflow-y: auto;
        padding: 2rem 0;
    }

    /* --- Optional Sidebar Layout for Desktop --- */
    main.layout-sidebar {
        display: flex;
        flex-direction: row;
        padding: 0; /* Reset padding for this layout */
    }

    .sidebar-left {
        width: 300px;
        flex-shrink: 0;
        overflow-y: auto;
        border-right: 1px solid #dee2e6;
        padding: 1.5rem;
        background-color: #f8f9fa;
    }

    .sidebar-content {
        flex-grow: 1;
        overflow-y: auto;
        padding: 1.5rem;
    }
}