/*
                      /^\/^\
                     _|__|  O|
            \/     /~     \_/ \
             \____|__________/  \
                    \_______      \
                            `\     \                 \
                              |     |                  \
                             /      /                    \
                            /     /                       \\
                          /      /                         \ \
                         /     /                            \  \
                       /     /             _----_            \   \
                      /     /           _-~      ~-_         |   |
                     (      (        _-~    _--_    ~-_     _/   |
                      \      ~-____-~    _-~    ~-_    ~-_-~    /
                        ~-_           _-~          ~-_       _-~
                           ~--______-~                ~-___-~
                     S Y N T H   S N A K E   2 0 X X
*/

:root {
    --brand-text-color: #ecda37;
    --brand-text-color-darker: #dac400;
    --brand-text-color-header: #b4a429;
    --brand-text-shadow-color:#ecda37b3;
    --brand-text-glow-color: #ecda37b3;
    --brand-text-glow-color-darker: #ecda37e6;

    --brand-background-color: #350072;
    --brand-border-color: #260052;
    --brand-box-shadow-color: #4a0099;
    --brand-glow-color: #4a009980;
    --brand-glow-color-darker: #4a0099cc;
}

@font-face {
    font-family: 'CyberAlert';
    src: url('assets/fonts/CyberAlertItalic-pgo9y.otf') format('truetype');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

body {
    margin: 0;
    background-color: #333;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    background-image: url('assets/images/cyberpunk-futuristic-cityscape-at-dusk.webp');
    background-size: cover;
    background-position: center;
}

#synth-snake-container {
    position: relative;
    padding: 25px;
    background: linear-gradient(45deg, 
        rgb(47, 0, 109) 0%, 
        rgb(47, 0, 109) 35%, 
        rgba(0, 0, 0, 1) 40%, 
        rgba(0, 0, 0, 1) 60%, 
        rgb(47, 0, 109) 65%, 
        rgb(47, 0, 109) 100%);
    z-index: 0;
    border-radius: 10px;
    animation: containerGlow 4s infinite alternate;
    border-radius: 25px 0 25px 0;
}

.canvas-overlay-visibility {
    visibility: visible;
}


#game-title-header {
    visibility: hidden;
    margin-bottom: 0.2em;
    z-index: 3;
    position: absolute;
    top: 1%;
    width: 1000px;
    /* animation: textGlow 2s infinite alternate; */
}

#game-title-text-box {
    margin: 0 auto;
    animation: textGlow 2s infinite alternate;
    text-align: center;
    text-shadow: 0 0 10px var(--brand-text-shadow);
    font-family: 'CyberAlert', sans-serif;
    font-size: 3em;
    color: var(--brand-text-color-darker);
    /* width: 50%; */
    /* background-color: var(--brand-background-color);
    border-width: 0 15px 15px 15px;
    border-color: var(--brand-border-color);
    border-style: solid;
    box-shadow: 0 0 20px var(--brand-box-shadow-color), 
                0 0 30px var(--brand-box-shadow-color),
                0 0 40px var(--brand-box-shadow-color); */
}

#canvas-overlay {
    visibility: visible;
    position: absolute;
    text-align: center;
    font-family: 'Orbitron', sans-serif;
    width: 1000px;
    height: 1000px;
    color: var(--brand-text-color);
    text-shadow: 0 0 10px var(--brand-text-shadow);
    z-index: 3;
    /* background-image: url('assets/images/lens_flare.png'); */
}

#canvas-overlay h1 {
    font-family: 'CyberAlert', sans-serif;
    font-size: 4em;
    margin-bottom: 0.2em;
    animation: textGlow 2s infinite alternate;
}

#canvas-overlay h2 {
    font-size: 1.5em;
    margin-bottom: 1em;
    color: var(--brand-text-color-header);
}

#canvas-overlay p {
    font-size: 1.2em;
}

#canvas-overlay-start-text {
    font-family: 'CyberAlert', sans-serif;
    font-size: 2.5em !important; 
    animation: blink 2.5s infinite !important;
}

#canvas-overlay-footer {
    color: var(--brand-text-color-header);
    font-family: 'Orbitron', sans-serif;
    font-size: 1.15em;
    display: flex;
    justify-content: space-around;
    padding: 0 15px ;
    position: absolute;
    bottom: 50px;
    width: 1000px;
    animation: textGlow 2s infinite alternate;
}

#canvas-overlay-footer a {
    color: var(--brand-text-color-darker);
    text-decoration: underline;
}

#canvas-overlay-date {
    font-size: 1em;
}


canvas {
    z-index: 2;
    outline: none;
    background-color: #000;
    width: 1000px;
    height: 1000px;
    border: 15px solid var(--brand-border-color);
    box-shadow: 0 0 20px var(--brand-box-shadow-color), 
                0 0 30px var(--brand-box-shadow-color),
                0 0 40px var(--brand-box-shadow-color);
    border-radius: 5px;
}



@keyframes containerGlow {
    from {
        box-shadow: 0 0 20px var(--brand-glow-color);
    }
    to {
        box-shadow: 0 0 40px var(--brand-glow-color-darker);
    }
}

@keyframes textGlow {
    from {
        text-shadow: 0 0 10px var(--brand-text-glow-color);
    }
    to {
        text-shadow: 0 0 20px var(--brand-text-glow-color-darker);
    }
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

@media (max-width: 1100px) {
    canvas {
        width: 800px;
        height: 800px;
    }
}

@media (max-width: 900px) {
    canvas {
        width: 600px;
        height: 600px;
    }
}