:root {
    --shadow-dark: rgba(0, 0, 0, 0.8);
    --shadow-medium: rgba(0, 0, 0, 0.7);
    --shadow-light: rgba(0, 0, 0, 0.6);
    --shadow-subtle: rgba(0, 0, 0, 0.5);
}

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

body {
    margin: 0;
    padding: 0;
    font-family: sans-serif;
    background-color: #000;
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

main {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    width: 100%;
    z-index: 2;
}

main button {
    width: 40vmin;
    height: 40vmin;
    min-width: 12.5rem;
    min-height: 12.5rem;
    max-width: 25rem;
    max-height: 25rem;
    border-radius: 50%;
    border: 0.25rem solid #440000;
    background: radial-gradient(circle at 30% 30%, #7f2222, #660000);
    box-shadow:
        0 15px 40px var(--shadow-dark),
        inset 0 -15px 30px var(--shadow-light),
        inset 0 10px 25px rgba(150, 50, 50, 0.4);
    cursor: pointer;
    transition: box-shadow 0.2s ease, filter 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    user-select: none;
    -webkit-tap-highlight-color: transparent;

    &:hover {
        box-shadow:
            0 20px 50px rgba(0, 0, 0, 0.9),
            0 0 40px rgba(255, 50, 50, 0.3),
            inset 0 -15px 30px var(--shadow-subtle),
            inset 0 10px 25px rgba(150, 50, 50, 0.5);
        filter: brightness(1.1);
    }

    &:active {
        transform: scale(0.98);
        border-color: #210000;
        box-shadow:
            0 8px 20px var(--shadow-medium),
            inset 0 -8px 20px var(--shadow-medium),
            inset 0 5px 15px var(--shadow-dark),
            inset 0 0 0 1px var(--shadow-light);
    }

    &:focus {
        outline: 0.1875rem solid rgba(255, 255, 255, 0.5);
        outline-offset: 0.25rem;

        &:not(:focus-visible) {
            outline: none;
        }
    }

    img {
        width: 15vmin;
        height: 15vmin;
        min-width: 5rem;
        min-height: 5rem;
        max-width: 11.25rem;
        max-height: 11.25rem;
        pointer-events: none;
    }
}

aside {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60vmin;
    height: 60vmin;
    min-width: 15.625rem;
    min-height: 15.625rem;
    max-width: 31.25rem;
    max-height: 31.25rem;
    border-radius: 50%;
    pointer-events: none;
    z-index: 1;
    opacity: 0;
    filter: blur(20px);
    --fire-scale-final: 1.8;
    --fire-color-r: 255;
    --fire-color-g: 150;
    --fire-color-b: 0;
    --fire-duration: 600ms;

    &.firing {
        animation: fireExplosion var(--fire-duration) ease-out;
    }
}

@keyframes fireExplosion {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(calc(var(--fire-scale-final) * 0.278));
        background: radial-gradient(circle, rgba(var(--fire-color-r), var(--fire-color-g), var(--fire-color-b), 0) 0%, rgba(0, 0, 0, 0) 100%);
    }
    15% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(calc(var(--fire-scale-final) * 0.556));
        background: radial-gradient(circle, rgba(var(--fire-color-r), var(--fire-color-g), var(--fire-color-b), 0.8) 0%, rgba(0, 0, 0, 0) 100%);
    }
    40% {
        opacity: 0.7;
        transform: translate(-50%, -50%) scale(calc(var(--fire-scale-final) * 0.722));
        background: radial-gradient(circle, rgba(var(--fire-color-r), var(--fire-color-g), var(--fire-color-b), 0.6) 0%, rgba(0, 0, 0, 0) 100%);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(var(--fire-scale-final));
        background: radial-gradient(circle, rgba(var(--fire-color-r), var(--fire-color-g), var(--fire-color-b), 0) 0%, rgba(0, 0, 0, 0) 100%);
    }
}

dialog {
    border: none;
    border-radius: 1.5rem;
    background: radial-gradient(circle at 20% 20%, #1f0f0f, #0c0a0a);
    color: #f2f2f2;
    padding: 2rem 2.5rem;
    text-align: center;
    width: min(26rem, calc(100% - 3rem));
    max-height: calc(100% - 3rem);
    overflow: auto;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.85), 0 0 35px rgba(255, 60, 60, 0.25);
    display: grid;
    gap: 1.25rem;
    position: fixed;
    inset: 0;
    margin: auto;
    z-index: 4;
    box-sizing: border-box;
    will-change: opacity, transform;
}

dialog:not([open]) {
    display: none;
}

dialog[open]:not(.closing) {
    opacity: 1;
    transform: none;
}

dialog.closing {
    animation: modalFadeOut 500ms ease forwards;
}

dialog img {
    width: 5rem;
    height: 5rem;
    filter: drop-shadow(0 10px 15px rgba(0, 0, 0, 0.5));
    margin: 0 auto;
}

dialog p {
    margin: 0;
    font-size: 1.125rem;
    line-height: 1.5;
    color: #dcdcdc;
}

dialog button {
    justify-self: center;
    padding: 0.75rem 1.75rem;
    border-radius: 999px;
    border: 1px solid #ff3b3b;
    background: linear-gradient(135deg, #8a1f1f, #5c0e0e);
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    cursor: pointer;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

dialog button:focus {
    outline: none;
}

dialog button:hover {
    transform: translateY(-1px);
    box-shadow:
        0 14px 35px rgba(0, 0, 0, 0.7),
        inset 0 1px 0 rgba(255, 255, 255, 0.15),
        0 0 20px rgba(255, 60, 60, 0.35);
}

dialog button:active {
    transform: translateY(0);
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.6);
    background: linear-gradient(135deg, #701616, #420a0a);
}

dialog::backdrop {
    background: rgba(0, 0, 0, 0.9);
}

dialog.closing::backdrop {
    animation: backdropFadeOut 500ms ease forwards;
}

@keyframes modalFadeOut {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(6px);
    }
}

.fury {
    color: #ff3b3b;
}

@media (max-width: 600px) {
    dialog {
        padding: 1.5rem;
        gap: 1rem;
    }

    dialog img {
        width: 3.75rem;
        height: 3.75rem;
    }

    dialog p {
        font-size: 1rem;
    }
}
@keyframes backdropFadeOut {
    from { background: rgba(0, 0, 0, 0.9); }
    to { background: rgba(0, 0, 0, 0); }
}

@media (max-width: 768px) {
    main button {
        width: 50vmin;
        height: 50vmin;
    }

    main button img {
        width: 20vmin;
        height: 20vmin;
    }

    aside {
        width: 70vmin;
        height: 70vmin;
    }
}

@media (max-width: 480px) {
    main button {
        width: 60vmin;
        height: 60vmin;
    }

    main button img {
        width: 25vmin;
        height: 25vmin;
    }

    aside {
        width: 80vmin;
        height: 80vmin;
    }
}