styles.css

@font-face {
    font-family: 'TwemojiMozilla';
    src: url('TwemojiMozilla.ttf');
} /* Required in order to display the flag icons on chrome-based browsers and Windows 10 */

body {
    margin: 25px;
    font-family: 'Open Sans', 'TwemojiMozilla';
    /* The 'Open Sans' font is loaded on the head section of the html file */
    background-color: #fff;
    color: #444;
}

.game-panel {
    margin: 0 auto;
    justify-self: center;
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-rows: 1fr;
    min-width: 480px;
    max-width: 1600px;
    gap: 10px;
}

#sidebar {
    display: flex;
    flex-direction: column;
    width: 220px;
    background-color: #ff7000; /* Dark orange color */
    color: white;
    border-radius: 5px;
    padding: 20px;
}

#countries {
    display:flex;
    flex-direction: column;
}

#my-country {
    display: flex;
    background-color: #6f7f91;
    color: white;
    border-radius: 5px;
    padding: 0 20px;
    align-items: center;
}

#round, #score {
    display: flex;
    justify-content: space-between;
    font-size: 1.5em;
    padding: 3px 0;
}

#neighbours-panel {
    position: relative;
    width: auto;
    height: max-content;
    display: flex;
    flex-grow: 1;
    flex-wrap: wrap;
    flex-direction: row;
    justify-content: space-evenly;
    background-color: white;
}

.neighbour-is-valid, .neighbour-is-invalid {
    width: 120px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    align-items: center;
    margin: 8px;
    padding: 10px;
    border: 2px solid white;
}

.neighbour-is-valid, .neighbour-is-invalid:hover {
    cursor: pointer;
}

#flag {
    font-size: 5.5em;
    text-shadow: 0px 0px 4px black;
}

#name {
    font-size: 0.9em;
    text-align: center;
    margin-bottom: auto;
}

.was-clicked.neighbour-is-valid {
    background-color: #dddddd;
    border: 2px solid #96b2a1;
    border-radius: 10px;
}

.was-clicked.neighbour-is-invalid {
    background-color: #dddddd;
    border: 2px solid #b0354e;
    border-radius: 10px;
}

#game-title {
    padding-bottom: 25px;
    font-size: 30px;
    font-weight: bold;
    text-shadow: 3px 3px 4px black;
}

#sidebar hr {
    width: 100%;
    height: 1px;
    color: orange;
    background-color: white;
}

#next-round-panel {
    display: none;
    position: absolute;
    z-index: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(128, 128, 128, 0.8);
    border-radius: 5px;
    font-size: 3.5em;
    font-weight: bold;
    align-items: center;
    justify-content:center;
    text-align: center;
}

#my-country-flag {
    font-size: 4em;
    padding: 0 20px 0 0;
    text-shadow: 0px 0px 4px white;
}

#my-country-name {
    font-size: 1.5em;
}

#buttons {
    display: flex;
    flex-direction: column;
    padding-top: 20px;
    margin-top: auto; /* Align at the bottom of the flexbox */
}

#buttons button {
    width: auto;
    padding: 18px;
    border: none;
    border-radius: 5px;
    font-size: 1em;
    cursor: pointer;
    box-shadow: 7px 6px 18px 1px rgba(0, 0, 0, 0.24);
    transition: 0.2s all;
}

#btn-next-round {
    margin: 0 0 20px 0;
    font-weight: 900;
}

#buttons button:active {
    transform: scale(0.95);
    box-shadow: 3px 2px 15px 1px rgba(0, 0, 0, 0.24);
}

#progress {
    width: 100%;
    height: 25px;
    margin: 10px 0;
    background-color: #e7e6e8;
    border: 1px solid #c9c8c9;
    border-radius: 5px;
    position: sticky;
    inset-block-start: 0px;
    z-index: 2;
}

#bar {
    background-color: #005fba;
    height: 25px;
    width: 0%;
    border-radius: 5px;
}

#progress::-webkit-progress-bar {
    border-radius: 5px;
} /* Especialy for chrome-based browsers that don't support CSS progress bars very well */

@media (max-width: 660px) {
    html, body {
        margin: 3px;
    }

    .game-panel {
        /*transform: scale(0.95);*/
        width: auto;
        grid-template-columns: 1fr;
        grid-template-rows: 1fr ;
        min-width: 300px;
    }

    #sidebar {
        width: auto;
        height: fit-content; 
    }
}