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

body {
    overflow: hidden;
    font-family: 'Space Mono', monospace;
    background: #f0f0f0;
}

#canvas {
    display: block;
}

#tooltip {
    position: fixed;
    display: none;
    background: #1a1a1a;
    color: #7CFC00;
    padding: 8px 14px;
    border-radius: 4px;
    font-size: 13px;
    font-family: 'Space Mono', monospace;
    pointer-events: none;
    z-index: 1000;
    box-shadow: 3px 3px 0 rgba(0,0,0,0.2);
}

#controls {
    position: fixed;
    top: 20px;
    right: 20px;
    display: flex;
    gap: 10px;
    z-index: 100;
}

.nav-btn {
    background: #fff;
    border: 2px solid #1a1a1a;
    color: #1a1a1a;
    padding: 10px 18px;
    font-family: 'Space Mono', monospace;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 3px 3px 0 #1a1a1a;
}

.nav-btn:hover {
    background: #7CFC00;
    transform: translate(1px, 1px);
    box-shadow: 2px 2px 0 #1a1a1a;
}

.nav-btn.active {
    background: #7CFC00;
    color: #1a1a1a;
}

#footer {
    position: fixed;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 100;
}

#footer a {
    color: #1a1a1a;
    text-decoration: none;
    font-size: 12px;
    font-family: 'Space Mono', monospace;
    background: rgba(255,255,255,0.8);
    padding: 6px 12px;
    border: 2px solid #1a1a1a;
    box-shadow: 2px 2px 0 #1a1a1a;
    transition: all 0.2s ease;
}

#footer a:hover {
    background: #7CFC00;
    transform: translate(1px, 1px);
    box-shadow: 1px 1px 0 #1a1a1a;
}

@media (max-width: 600px) {
    #controls {
        top: 10px;
        right: 10px;
        gap: 5px;
    }
    
    .nav-btn {
        padding: 8px 12px;
        font-size: 10px;
    }
    
    #footer a {
        font-size: 10px;
        padding: 5px 10px;
    }
}