/* Base styles */
html {
    box-sizing: border-box;
}

*, *:before, *:after {
    box-sizing: inherit;
}

body {
    font-family: 'JetBrains Mono', 'Fira Code', Courier, monospace;
    margin: 0;
    min-height: 100dvh;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    /* Alternative wallpaper option: */
    /* background: url('placeholder.jpg') center/cover no-repeat fixed; */
    /* Recommended wallpaper: Dark abstract grid pattern with subtle animation */
    color: #ffffff;
}

main {
    max-width: 600px;
    width: 100%;
    text-align: center;
    padding: 2rem;
    backdrop-filter: blur(8px);
    background-color: rgba(0, 0, 0, 0.3);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

h1 {
    font-weight: 700;
    font-size: 2.5rem;
    margin: 0 0 1.5rem 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

p {
    font-weight: 300;
    line-height: 1.6;
    margin: 0 0 1.5rem 0;
    color: #cccccc;
}

a {
    color: #4a90e2;
    text-decoration: none;
    transition: all 0.2s ease;
}

a:hover {
    color: #6ba8ff;
    text-decoration: underline;
}

/* Theme switching */
@media (prefers-color-scheme: light) {
    body {
        background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
        color: #1a1a1a;
    }
    
    main {
        background-color: rgba(255, 255, 255, 0.9);
        border: 1px solid rgba(0, 0, 0, 0.1);
    }
    
    p {
        color: #4a4a4a;
    }
    
    a {
        color: #0366d6;
    }
    
    a:hover {
        color: #024ea1;
    }
}

/* Mobile optimization */
@media (max-width: 480px) {
    main {
        padding: 1.5rem;
        border-radius: 12px;
    }
    
    h1 {
        font-size: 2rem;
    }
}