:root {
    --bg-color: #2c3e50;
    --button-color: #ff4757;
    --button-shadow: #c0392b;
    --button-ring: #bdc3c7;
    --text-color: #ffffff;
    --housing-color: #34495e;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.container {
    display: flex;
    justify-content: center;
    align-items: center;
    flex: 1;
}

.button-wrapper {
    position: relative;
    padding: 20px;
    background: var(--housing-color);
    border-radius: 50%;
    box-shadow: 
        0 20px 50px rgba(0,0,0,0.5),
        inset 0 10px 20px rgba(0,0,0,0.2);
}

/* The Ring */
.button-wrapper::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    bottom: 10px;
    background: var(--button-ring);
    border-radius: 50%;
    box-shadow: 
        inset 0 5px 10px rgba(255,255,255,0.5),
        0 5px 15px rgba(0,0,0,0.3);
}

.arcade-button {
    position: relative;
    width: 200px;
    height: 200px;
    border: none;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, #ff6b81, var(--button-color));
    color: white;
    font-size: 2rem;
    font-weight: 900;
    letter-spacing: 2px;
    cursor: pointer;
    outline: none;
    transition: transform 0.05s ease-out, box-shadow 0.05s ease-out;
    
    /* 3D Depth */
    box-shadow: 
        0 15px 0 var(--button-shadow),
        0 20px 20px rgba(0,0,0,0.4),
        inset 0 5px 10px rgba(255,255,255,0.4);
    
    z-index: 10;
}

.arcade-button:active, .arcade-button.active {
    transform: translateY(12px);
    box-shadow: 
        0 3px 0 var(--button-shadow),
        0 5px 10px rgba(0,0,0,0.4),
        inset 0 5px 20px rgba(0,0,0,0.3);
}

.button-text {
    display: block;
    text-shadow: 2px 2px 0 rgba(0,0,0,0.2);
    user-select: none;
}

.footer {
    padding: 20px;
    opacity: 0.5;
    font-size: 0.8rem;
    text-align: center;
}

.footer-links a {
    color: var(--text-color);
    text-decoration: none;
}

.footer-links a:hover {
    text-decoration: underline;
}

.footer-links .separator {
    margin: 0 6px;
    opacity: 0.5;
}

@media (max-width: 400px) {
    .arcade-button {
        width: 160px;
        height: 160px;
        font-size: 1.5rem;
    }
}