:root {
    --cell-side: 24px;
}

body {
  background: linear-gradient(#212529, #14171a) fixed;
}

@supports (backdrop-filter: blur()) {
    .modal-content {
        background-color: rgba(33, 37, 41, 30%);
        backdrop-filter: blur(15px);
    }
}

.card {
    background-color: rgb(37, 41, 45);
}

.modal-title {
    text-shadow: 0 0 8px var(--bs-light);
}

.minoes-table {
    --piece-column: 0;
    --piece-row   : 0;
    table-layout: fixed;
    border-collapse: separate;
    border-spacing: 0;
    width: min-content;
}

#matrixTable {
    margin-top: calc(-1 * var(--buffer-zone-rows) * var(--cell-side));
}


@keyframes hard-dropped-table-animation {
    25% {
        transform: translateY(2px);
    }
}
.hard-dropped-table-animation {
    animation: hard-dropped-table-animation .2s;
}

tr.buffer-zone td:not(.mino) {
    border-width: 0;
}

tr.matrix td:not(.mino) {
    border-left  : 1px solid #333;
    border-right : 1px solid #333;
    border-top   : 1px solid #303030;
    border-bottom: 1px solid #303030;
}

td {
    overflow: hidden;
    width: var(--cell-side);
    height: var(--cell-side);
}

@keyframes trail-animation {
    from {
        background-color: rgb(206, 255, 255, 25%);
        filter: saturate(50%) brightness(300%);
    }
    to {
        background-color: transparent;
    }
}

td.trail-animation {
    animation: trail-animation ease-out .3s;
}

@keyframes cleared-line-animation {
    from {
        background-color: rgb(206, 255, 255, 40%);
        filter: saturate(50%) brightness(300%);
        box-shadow: -200px 0 5px white, 200px 0 5px white;
    }
    to {
        background-color: transparent;
    }
}

tr.cleared-line-animation {
    animation: cleared-line-animation ease-out .3s;
}

#messagesSpan {
    position: absolute;
    top: 5%;
    left: 50%;
    transform: translate(-50%, 0);
    color: rgba(255, 255, 255, 0.8);
    text-shadow: 1px 1px rgba(0, 0, 0, 0.8);
    font-size: 3vmin;
    text-align: center;
}

#messagesSpan div {
    opacity: 0;
    overflow: hidden;
}

@keyframes show-level-animation {
    from {
        opacity: 0;
        transform: translateY(200%);
    }
    50% {
        opacity: 100%;
        transform: translateY(0) scaleY(1);
        line-height: var(--bs-body-line-height);
    }
    to {
        opacity: 0;
        transform: translateY(-100%) scaleY(0);
        line-height: 0;
    }
}

#messagesSpan div.show-level-animation {
    animation: show-level-animation;
    animation-timing-function: (0.4, 0, 0.6, 1);
    animation-duration: 2s;
}

@keyframes zoom-in-animation {
    from {
        opacity: 0;
        transform: scale3d(0.3, 0.3, 0.3);
        line-height: var(--bs-body-line-height);

    }
    30% {
        opacity: 1;
        transform: scale3d(1, 1, 1);
    }
    80% {
        opacity: 1;
        transform: scale3d(1, 1, 1);
        line-height: var(--bs-body-line-height);
    }
    to {
        opacity: 0;
        transform: scale3d(1.5, 0, 1);
        line-height: 0;
    }
}

@keyframes rotate-in-animation {
    0% {
        opacity:0;
        transform:rotate(200deg);
        line-height: var(--bs-body-line-height);
    }
    30% {
        opacity:1;
        transform:translateZ(0);
        transform: scale3d(1, 1, 1);
    }
    80% {
        opacity: 1;
        transform: scale3d(1, 1, 1);
        line-height: var(--bs-body-line-height);
    }
    to {
        opacity: 0;
        transform: scale3d(1.5, 0, 1);
        line-height: 0;
    }
}

#messagesSpan div.rotate-in-animation {
    animation-name:  rotate-in-animation;
    animation-timing-function: cubic-bezier(.25,.46,.45,.94);
    animation-duration: 1s;
}

#messagesSpan div.zoom-in-animation {
    animation-name: zoom-in-animation;
    animation-timing-function: cubic-bezier(.25,.46,.45,.94);
    transform-origin:center;
    animation-duration: 1s;
}

@keyframes game-over-animation {
    from {
        opacity: 0;
        transform: translateY(200%);
    }
    to {
        opacity: 100%;
        transform: translateY(0) scaleY(1);
        line-height: var(--bs-body-line-height);
    }
}

#messagesSpan div.game-over-animation {
    animation: game-over-animation;
    animation-timing-function: (0.4, 0, 0.6, 1);
    animation-duration: 2s;
}