body {
    background-color: #0d0d0d;
    color: #00ff41;
    font-family: 'Consolas', 'Courier New', Courier, monospace;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    padding: 20px;
    min-height: 100vh;
    box-sizing: border-box;
}

.main-container {
    text-align: center;
}

canvas {
    background-color: #000000;
    border: 2px solid #00ff41;
    box-shadow: 0 0 15px rgba(0, 255, 65, 0.5);
}

.ui-panel {
    max-width: 800px; /* Matchiing canvas width */
    margin-top: 15px;
}

.controls {
    margin-bottom: 15px;
}

button {
    background-color: transparent;
    color: #00ff41;
    border: 1px solid #00ff41;
    padding: 10px 20px;
    font-family: inherit;
    font-size: 16px;
    cursor: pointer;
    margin: 0 10px;
    transition: all 0.2s ease;
    text-transform: uppercase;
}

button:hover, button:focus {
    background-color: #00ff41;
    color: #000;
    box-shadow: 0 0 10px #00ff41;
}

.objective {
    font-size: 14px;
    color: #aaa;
    line-height: 1.5;
}