body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 20px;
    background-color: #1a1a1a;
    color: white;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    overflow: hidden;
}

h1 {
    text-align: center;
    color: #fff;
    margin-bottom: 20px;
}

h2 {
    text-align: center;
    color: #fff;
    margin-bottom: 20px;
}

#canvas-container {
    width: 100%;
    height: 500px;
    border: 2px solid #444;
    border-radius: 10px;
    background: #000;
    margin-bottom: 20px;
    position: relative;
}

#fps-monitor {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(0, 0, 0, 0.7);
    color: #00ff00;
    padding: 5px 8px;
    border-radius: 4px;
    font-family: monospace;
    font-size: 12px;
    font-weight: bold;
    z-index: 1000;
    border: 1px solid #333;
    min-width: 60px;
    text-align: center;
}

.controls {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

@media (max-width: 768px) {
    .controls {
        grid-template-columns: 1fr;
        gap: 15px;
    }
}

@media (min-width: 1400px) {
    .controls {
        grid-template-columns: repeat(4, 1fr);
    }
}

.control-group {
    background-color: #2a2a2a;
    padding: 15px;
    border-radius: 8px;
    border: 1px solid #444;
    min-width: 0;
    box-sizing: border-box;
}

.control-group h4 {
    margin: 0 0 15px 0;
    color: #fff;
    text-align: center;
}

.control-item {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
    min-width: 0;
}

.control-item label {
    min-width: 70px;
    flex-shrink: 0;
    font-size: 12px;
    color: #ccc;
}

.control-item input[type="range"] {
    flex: 1;
    min-width: 0;
}

.control-item input[type="number"] {
    width: 55px;
    min-width: 55px;
    max-width: 55px;
    padding: 3px 4px;
    background-color: #333;
    border: 1px solid #555;
    border-radius: 3px;
    color: white;
    font-size: 11px;
    box-sizing: border-box;
}

button {
    padding: 8px 15px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    margin: 2px;
}

button:hover { 
    background-color: #0056b3; 
}

button:disabled { 
    background-color: #555; 
    cursor: not-allowed; 
}

.info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
}

.info-box {
    background-color: #2a2a2a;
    padding: 15px;
    border-radius: 5px;
    border-left: 4px solid #007bff;
}

.info-box h3 {
    margin: 0 0 10px 0;
    color: #fff;
}

.info-box ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.info-box li {
    margin: 8px 0;
    color: #ccc;
    font-size: 14px;
}

.value {
    color: #00ff00;
    font-weight: bold;
}

.status-display {
    text-align: center;
    padding: 10px;
    background-color: #333;
    border-radius: 5px;
    margin: 10px 0;
}

.debug-panel {
    background-color: #1a1a2e;
    padding: 10px;
    border-radius: 5px;
    margin-top: 10px;
    font-family: monospace;
    font-size: 11px;
    border: 1px solid #444;
}

.debug-panel h4 {
    margin: 0 0 8px 0;
    color: #66ff66;
}

.debug-value {
    color: #ffff66;
}

.legend {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
    font-size: 11px;
    margin-top: 5px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 5px;
}

.legend-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}