@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Fira+Code:wght@400;500&display=swap');

body {
    margin: 0;
    background: radial-gradient(circle at 50% 50%, #1e2029 0%, #0b0c10 100%);
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: #e2e8f0;
    height: 100vh;
}

#verticalButtons {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin: 0 24px;
    z-index: 10;
}

button {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    color: #f8fafc;
    padding: 12px 24px;
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.5px;
    cursor: pointer;
    box-shadow: 
        0 4px 6px -1px rgba(0, 0, 0, 0.2), 
        0 2px 4px -1px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

button:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 
        0 10px 15px -3px rgba(0, 0, 0, 0.3), 
        0 4px 6px -2px rgba(0, 0, 0, 0.15),
        0 0 15px rgba(255, 255, 255, 0.05),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

button:active {
    transform: translateY(1px);
    box-shadow: 
        0 2px 4px -1px rgba(0, 0, 0, 0.2),
        inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

canvas {
    border-radius: 16px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

#networkCanvas {
    background: linear-gradient(180deg, #0f172a 0%, #020617 100%);
    box-shadow: 
        inset 0 0 40px rgba(0,0,0,0.8),
        0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

#carCanvas {
    background: linear-gradient(180deg, #334155 0%, #1e293b 100%);
    box-shadow: 
        inset 0 0 30px rgba(0,0,0,0.4),
        0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

#stats {
    position: fixed;
    top: 20px;
    left: 20px;
    background: rgba(15, 23, 42, 0.65);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.4);
    color: #cbd5e1;
    padding: 16px 20px;
    border-radius: 14px;
    font-family: 'Fira Code', 'SF Mono', monospace;
    font-size: 13px;
    line-height: 1.6;
    z-index: 100;
}

#resetBtn {
    position: fixed;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: #ffffff;
    border: none;
    padding: 10px 20px;
    border-radius: 12px;
    font-weight: 600;
    box-shadow: 
        0 4px 12px rgba(37, 99, 235, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    z-index: 100;
}

#resetBtn:hover {
    background: linear-gradient(135deg, #60a5fa 0%, #3b82f6 100%);
    box-shadow: 
        0 8px 20px rgba(37, 99, 235, 0.4),
        0 0 12px rgba(59, 130, 246, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

#resetBtn:active {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}
#modeSwitch {
    position: fixed;
    bottom: 20px;
    left: 20px;
    background: rgba(15, 23, 42, 0.7);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.1);
    color: #e2e8f0;
    padding: 10px 16px;
    border-radius: 10px;
    font-family: 'Fira Code', monospace;
    font-size: 13px;
    text-decoration: none;
    z-index: 100;
    transition: all 0.3s ease;
}

#modeSwitch:hover {
    background: rgba(59,130,246,0.2);
    border-color: rgba(59,130,246,0.5);
    box-shadow: 0 0 10px rgba(59,130,246,0.4);
}