@import url('https://fonts.googleapis.com/css2?family=VT323&display=swap');

body {
    margin: 0;
    overflow: hidden;
    background-color: #000;
    font-family: monospace;
}

canvas {
    display: block;
}

#gear-icon {
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 24px;
    cursor: pointer;
    opacity: 0.2;
    transition: opacity 0.3s;
    z-index: 100;
}

#gear-icon:hover {
    opacity: 1.0;
}

#settings-modal {
    position: absolute;
    top: 50px;
    right: 10px;
    width: 220px;
    background-color: #c0c0c0;
    border-top: 2px solid #ffffff;
    border-left: 2px solid #ffffff;
    border-right: 2px solid #000000;
    border-bottom: 2px solid #000000;
    box-shadow: 2px 2px 0px #000;
    font-family: 'VT323', monospace;
}

.title-bar {
    background-color: #000080;
    color: white;
    padding: 4px 8px;
    font-weight: bold;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.close-button {
    background-color: #c0c0c0;
    color: #000;
    border-top: 1px solid #ffffff;
    border-left: 1px solid #ffffff;
    border-right: 1px solid #000000;
    border-bottom: 1px solid #000000;
    padding: 0px 4px;
    cursor: pointer;
}

.content {
    padding: 15px;
}

.setting {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

label {
    margin-right: 10px;
    min-width: 60px;
}

button {
    background-color: #c0c0c0;
    border-top: 1px solid #ffffff;
    border-left: 1px solid #ffffff;
    border-right: 1px solid #000000;
    border-bottom: 1px solid #000000;
    padding: 5px 10px;
    font-family: 'VT323', monospace;
    width: 100%;
}

button:active {
    border-top: 1px solid #000000;
    border-left: 1px solid #000000;
    border-right: 1px solid #ffffff;
    border-bottom: 1px solid #ffffff;
}

.hidden {
    display: none;
}