:root {
    --overlay-text: #1e293b;
    --overlay-bg: #facc15;
}

#game-info-overlay {
    position: absolute;
    top: 10px;
    left: 10px;
    background: var(--overlay-bg);
    color: var(--overlay-text);
    padding: 10px;
    border-radius: 8px;
    font-size: 14px;
    z-index: 1000;
}

#message-overlay {
    position: absolute;
    bottom: 10px;
    left: 10px;
    max-height: 150px;
    width: 300px;
    overflow-y: auto;
    background: var(--overlay-bg);
    color: var(--overlay-text);
    padding: 10px;
    border-radius: 8px;
    z-index: 1000;
}

#message-overlay ul {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

#scoreboard-overlay {
    position: absolute;
    top: 10px;
    right: 10px;
    background: var(--overlay-bg);
    color: var(--overlay-text);
    padding: 10px 15px;
    border-radius: 8px;
    z-index: 1000;
    width: 150px;
}

#scoreboard-overlay h3 {
    margin: 0 0 10px 0;
    font-size: 16px;
}

#scoreboard {
    list-style: none;
    margin: 0;
    padding: 0;
}



button {
    background-color: var(--overlay-bg);
    color: var(--overlay-text);
    border: none;
    border-radius: 6px;
    padding: 0.8rem 1.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s, box-shadow 0.2s;
    margin: 0.4rem 0;
    box-shadow: 0 2px 8px #0001;
    display: block;
    width: 100%;
    max-width: 320px;
}
button:hover {
    background-color: var(--overlay-text);
    color: var(--overlay-bg);
    box-shadow: 0 4px 16px #0002;
}

/* For vertical alignment and centering of button groups */
.button-column, .vertical-buttons, #vertical-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
    justify-content: center;
    width: 100%;
}