* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #000000 0%, #1a1a1a 100%);
    color: #ffffff;
    min-height: 100vh;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    margin-bottom: 30px;
}

header h1 {
    font-size: 3rem;
    margin-bottom: 10px;
    color: #ffffff;
    font-weight: bold;
}

header p {
    font-size: 1.2rem;
    color: #888;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.controls-panel {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid #ffffff;
    border-radius: 15px;
    padding: 25px;
    margin-bottom: 25px;
}

.control-group {
    margin-bottom: 20px;
}

.control-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 1.1rem;
    font-weight: bold;
    color: #ffffff;
}

.slider {
    width: 100%;
    height: 8px;
    background: #333;
    border-radius: 5px;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: #ffffff;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
}

.slider::-webkit-slider-thumb:hover {
    background: #cccccc;
    transform: scale(1.1);
}

.slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: #ffffff;
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

.buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 25px;
}

.launch-btn, .reset-btn {
    padding: 15px 30px;
    font-size: 1.2rem;
    font-weight: bold;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.launch-btn {
    background: linear-gradient(45deg, #ffffff, #e0e0e0);
    color: #000;
}

.launch-btn:hover {
    background: linear-gradient(45deg, #f0f0f0, #cccccc);
    transform: translateY(-2px);
}

.reset-btn {
    background: linear-gradient(45deg, #ff6b6b, #ff1744);
    color: #fff;
}

.reset-btn:hover {
    background: linear-gradient(45deg, #ff4444, #cc0000);
    transform: translateY(-2px);
}

.simulation-area {
    text-align: center;
    margin-bottom: 25px;
}

#canvas {
    border: 2px solid #ffffff;
    border-radius: 10px;
    background: #000;
    max-width: 100%;
    height: auto;
}

.results-panel {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 25px;
}

.result-card {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid #ffffff;
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    transition: all 0.3s ease;
}

.result-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.result-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: #888;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.result-card span {
    font-size: 2rem;
    font-weight: bold;
    color: #ffffff;
    display: block;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    header h1 {
        font-size: 2rem;
    }
    
    .controls-panel {
        padding: 20px;
    }
    
    #canvas {
        width: 100%;
        height: 300px;
    }
    
    .buttons {
        flex-direction: column;
    }
    
    .launch-btn, .reset-btn {
        width: 100%;
    }
    
    .results-panel {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 1.5rem;
    }
    
    .control-group label {
        font-size: 1rem;
    }
    
    .launch-btn, .reset-btn {
        padding: 12px 20px;
        font-size: 1rem;
    }
    
    .result-card span {
        font-size: 1.5rem;
    }
}