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

body {
    font-family: "Poppins", sans-serif;
    background: #000e57;
    min-height: 100vh;
    color: #333;
}

.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 20px;
}

.header {
    text-align: center;
    margin-bottom: 30px;
    background: rgba(255, 255, 255, 0.95);
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
}

.title {
    font-size: 2.5rem;
    font-weight: 700;
    background: #2670ff;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 10px;
}

.subtitle {
    font-size: 1.1rem;
    color: #666;
    font-weight: 300;
}

.main-content {
    display: flex;
    gap: 30px;
    align-items: flex-start;
}

.canvas-container {
    display: flex;
    gap: 20px;
}

#carCanvas,
#networkCanvas {
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 3px solid rgba(255, 255, 255, 0.2);
}

.controls-panel {
    flex: 1;
    background: rgba(255, 255, 255, 0.95);
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    max-width: 350px;
}

.section {
    margin-bottom: 25px;
}

.section h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #444;
    border-bottom: 2px solid #667eea;
    padding-bottom: 8px;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 1em;
}

.btn {
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: blue;
    color: white;
}

.btn-secondary {
    background: #74b9ff;
    color: white;
}

.btn-danger {
    background: #ff2940;
    color: white;
}

.btn-success {
    background: #00b894;
    color: white;
}

.btn-info {
    background: #6c5ce7;
    color: white;
}

.btn-warning {
    background: #ff7055;
    color: white;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.btn:active {
    transform: translateY(0);
}

.slider {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: #ddd;
    outline: none;
    -webkit-appearance: none;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #667eea;
    cursor: pointer;
}

.slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #667eea;
    cursor: pointer;
    border: none;
}

label {
    font-weight: 500;
    color: #555;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    padding: 10px;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 8px;
    border-left: 4px solid #667eea;
}

.stat-label {
    font-weight: 500;
    color: #666;
}

.stat-value {
    font-weight: 700;
    color: #667eea;
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    padding: 8px 0;
    position: relative;
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    background: #eee;
    border-radius: 4px;
    margin-right: 10px;
    position: relative;
    transition: all 0.3s ease;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background: #667eea;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    content: "✓";
    position: absolute;
    color: white;
    font-size: 14px;
    font-weight: bold;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.footer {
    text-align: center;
    margin-top: 30px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
}

.footer p {
    color: #666;
    font-weight: 300;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .main-content {
        flex-direction: column;
    }

    .canvas-container {
        flex-direction: column;
        align-items: center;
    }

    .controls-panel {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .title {
        font-size: 2rem;
    }

    .canvas-container {
        overflow-x: auto;
    }

    #carCanvas,
    #networkCanvas {
        width: 250px;
        height: 500px;
    }
}

/* Animation for loading */
@keyframes pulse {
    0% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
    100% {
        opacity: 1;
    }
}

.loading {
    animation: pulse 2s infinite;
}

/* Gradient border animation */
@keyframes gradientBorder {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.animated-border {
    background: linear-gradient(-45deg, #667eea, #764ba2, #667eea, #764ba2);
    background-size: 400% 400%;
    animation: gradientBorder 3s ease infinite;
    padding: 3px;
    border-radius: 18px;
}

.animated-border canvas {
    border: none;
    border-radius: 15px;
}