/* ─── Loading screen shell ─────────────────────────────────────────── */

#loading-screen > * {
    position: absolute;
    z-index: 1000;
}

#loading-screen {
    position: absolute;
    left: 50%;
    top: 50%;
    touch-action: none;
    pointer-events: auto;
    user-select: none;
}

/* Full-viewport backdrop */
#loading-screen-black {
    position: absolute;
    width: 100vw;
    height: 100vh;
    transform: translate(-50%, -50%);
    background: #142b36;
}

/* ─── Scaled background panel ──────────────────────────────────────── */

#loading-screen-background {
    --scaleX: calc(var(--totalWidth) / var(--width));
    --scaleY: calc(var(--totalHeight) / var(--height));
    --scale: min(var(--scaleX), var(--scaleY));
    --finalWidth: min(var(--background-size), calc(var(--totalWidth) / var(--scale)));
    --finalHeight: min(var(--background-size), calc(var(--totalHeight) / var(--scale)));

    width: calc(1px * var(--finalWidth));
    height: calc(1px * var(--finalHeight));
    transform: scale(var(--scale), var(--scale));
    transform-origin: center center;
    position: absolute;
    left: calc(1px * calc(var(--finalWidth) / -2));
    top: calc(1px * calc(var(--finalHeight) / -2));
    
    background-repeat: no-repeat;
    background-size: calc(1px * var(--background-size));

    /* Fade all four edges to transparent over 20px */
    -webkit-mask-image:
        linear-gradient(to right,  transparent 0px, black 20px, black calc(100% - 20px), transparent 100%);
    -webkit-mask-composite: source-in;

    mask-image:
        linear-gradient(to right,  transparent 0px, black 20px, black calc(100% - 20px), transparent 100%);
    mask-composite: intersect;
}

@media (orientation: portrait) {
    #loading-screen-background {
        --width: 1080;
        --height: 1920;
        --background-size: 2800;
        background-position: center center;
    }
}

@media (orientation: landscape) {
    #loading-screen-background {
        --width: 1920;
        --height: 1080;
        --background-size: 2800;
        background-position: center center;
    }
}

/* ─── Float animation ──────────────────────────────────────────────── */

@keyframes logo-float {
    0%   { transform: translate(-50%, -50%); }
    50%  { transform: translate(-50%, calc(-50% - 18px)); }
    100% { transform: translate(-50%, -50%); }
}

/* ─── Game logo ────────────────────────────────────────────────────── */

#loading-screen-logo {
    position: absolute;
    left: 50%;
    width: 600px;
    height: 600px;
    background-image: url("assets/Fish & Chips Main Logo - Colour - Dark Background.png");
    background-repeat: no-repeat;
    background-size: contain;
    background-position: center;
    animation: logo-float 9s ease-in-out infinite;
}

@media (orientation: portrait) {
    #loading-screen-logo {
        top: calc(50% - 40px);
    }
}

@media (orientation: landscape) {
    #loading-screen-logo {
        top: calc(50% - 40px);
    }
}

/* ─── Progress bar container ───────────────────────────────────────── */

#loading-screen-loader {
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
}

@media (orientation: portrait) {
    #loading-screen-loader {
        top: calc(50% + 480px);
    }
}

@media (orientation: landscape) {
    #loading-screen-loader {
        top: calc(50% + 280px);
    }
}

/* ─── LOADING BAR  ──────────────────────────── */

#loading-screen-loader {
    width: 520px;
    height: 34px;
    border: 3px solid #142b36;
    border-radius: 20px;
    overflow: hidden;
    box-sizing: border-box;
    background: #2a4654;
}

#loading-screen-loader-border {
    display: none;
}

#loading-screen-loader-fill {
    --progress: 0;
    position: absolute;
    left: 4px;
    top: 4px;
    width: calc((100% - 8px) * var(--progress));
    height: calc(100% - 8px);
    background: #b01f24;
    border-radius: 14px;
    background-image: none;
    mask-image: none;
    -webkit-mask-image: none;
    transform: none;
}

/* ─── GiaB logo ──────────────────────────── */

#loading-screen-giab-logo {
    position: absolute;
}

@media (orientation: portrait) {
    #loading-screen-giab-logo {
        width: 491px;
        height: 230px;
        right: 100px;
        top: 150px;
        left: auto;
        transform: translate(50%, -50%);
        background-image: -webkit-image-set(
                url("assets/Powered by GiaB Logo - Portrait.webp") type("image/webp"),
                url("assets/Powered by GiaB Logo - Portrait.png") type("image/png")
        );
        background-image: image-set(
                url("assets/Powered by GiaB Logo - Portrait.webp") type("image/webp"),
                url("assets/Powered by GiaB Logo - Portrait.png") type("image/png")
        );
        background-repeat: no-repeat;
        background-size: contain;
        background-position: center;
    }
}

@media (orientation: landscape) {
    #loading-screen-giab-logo {
        width: 150px;
        height: 180px;
        right: 100px;
        top: 130px;
        left: auto;
        bottom: auto;
        transform: translate(50%, -50%);
        background-image: -webkit-image-set(
                url("assets/Powered by GiaB Logo - Portrait.webp") type("image/webp"),
                url("assets/Powered by GiaB Logo - Portrait.png") type("image/png")
        );
        background-image: image-set(
                url("assets/Powered by GiaB Logo - Portrait.webp") type("image/webp"),
                url("assets/Powered by GiaB Logo - Portrait.png") type("image/png")
        );
        background-repeat: no-repeat;
        background-size: contain;
        background-position: center;
    }
}