:root {
    --solveur-primary: #2c3e50;
    --solveur-grid: #ced4da;
    --solveur-bg: #f8f9fa;
    --solveur-ret-m: #6f42c1;
    --solveur-ret-a: #d63384;
}

.solveur-multiplication {
    font-family: "Courier New", monospace;
}

.solveur-multiplication .solveur-panel {
    max-width: 600px;
}

.solveur-multiplication .solveur-fields {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.5rem;
}

.solveur-multiplication .grid-wrapper {
    display: flex;
    justify-content: center;
    padding: 20px;
    overflow-x: auto;
}

.solveur-multiplication .math-grid {
    background-color: #fff;
    background-image:
        linear-gradient(var(--solveur-grid) 1px, transparent 1px),
        linear-gradient(90deg, var(--solveur-grid) 1px, transparent 1px);
    background-size: 30px 30px;
    display: inline-grid;
    padding: 15px;
    border: 2px solid #adb5bd;
    grid-auto-rows: 30px;
    grid-auto-columns: 30px;
    min-height: 120px;
}

.solveur-multiplication .cell {
    width: 30px;
    height: 30px;
    display: flex;
    justify-content: center;
    align-items: flex-end;
    padding-bottom: 2px;
    font-size: 1.6rem;
    font-weight: bold;
    position: relative;
}

.solveur-multiplication .shifted-down {
    transform: translateY(5px);
}

.solveur-multiplication .ret-m-cell {
    font-size: 0.9rem;
    color: var(--solveur-ret-m);
    font-weight: normal;
}

.solveur-multiplication .ret-a-cell {
    font-size: 0.9rem;
    color: var(--solveur-ret-a);
    font-weight: bold;
}

.solveur-multiplication .zero-final {
    color: #adb5bd;
}

.solveur-multiplication .full-line {
    border-bottom: 3px solid black;
    height: 0;
    width: 100%;
    align-self: end;
    z-index: 5;
}

.solveur-multiplication .color-0 {
    color: #198754;
}

.solveur-multiplication .color-1 {
    color: #6f42c1;
}

.solveur-multiplication .op-sign {
    font-size: 1.5rem;
    font-weight: bold;
}

.solveur-multiplication .comma {
    color: red;
    position: absolute;
    right: -5px;
    bottom: 2px;
    font-size: 1.8rem;
}

@media (min-width: 768px) {
    .solveur-multiplication .solveur-fields {
        grid-template-columns: 1fr 1fr;
    }
}

@media print {
    .solveur-multiplication .solveur-panel {
        display: none;
    }

    .solveur-multiplication .math-grid {
        border: none;
    }
}