/* =========================================================
   MATRIX CALCULATOR
   ========================================================= */

.matrix-wrapper {
    display: flex;
    gap: 25px;
    flex-wrap: wrap;
    margin-bottom: 25px;
    justify-content: center;
}

.matrix-box {
    border: 1.5px solid var(--border);
    padding: 20px;
    border-radius: 10px;
    background: var(--bg-card);
    color: var(--text-light);
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    box-sizing: border-box;
}

.matrix-box h3 {
    color: var(--text-light);
}

.matrix-dim-controls {
    display: flex;
    gap: 10px;
    justify-content: center;
    align-items: center;
    margin-bottom: 15px;
    font-weight: 600;
    color: var(--text-light);
}

.matrix-dim-controls label {
    color: var(--text-muted);
}

.dim-input {
    width: 55px !important;
    height: 38px !important;
    text-align: center;
    font-size: 1rem;
    border-radius: 6px;
    border: 1px solid var(--border);
    background-color: var(--bg-input) !important;
    color: var(--text-light) !important;
    outline: none;
    transition: var(--transition);
    box-sizing: border-box;
    color-scheme: light;
}

.dim-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.20);
}

body.dark-theme .dim-input {
    color-scheme: dark;
}


/* =========================================================
   MATRIX GRID
   ========================================================= */

.matrix-grid {
    display: grid;
    gap: 10px;
    margin: 15px 0;
    justify-content: center;
}

.matrix-input {
    width: 65px;
    max-width: 100%;
    height: 42px;
    text-align: center;
    padding: 6px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 1.1rem;
    background-color: var(--bg-input);
    color: var(--text-light);
    outline: none;
    transition: var(--transition);
    box-sizing: border-box;
}

.matrix-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.20);
}


/* =========================================================
   TABLET
   ========================================================= */

@media (max-width: 768px) {

    .matrix-wrapper {
        gap: 20px;
    }

    .matrix-box {
        max-width: 100%;
    }
}


/* =========================================================
   MOBILE - SUPPORTS UP TO 5 × 5 WITHOUT HORIZONTAL SCROLL
   ========================================================= */

@media (max-width: 600px) {

    .matrix-wrapper {
        width: 100%;
        gap: 18px;
        margin-bottom: 20px;
    }

    .matrix-box {
        width: 100%;
        max-width: 100%;
        padding: 15px 5px;
        overflow: visible;
        box-sizing: border-box;
    }

    .matrix-box h3 {
        margin-bottom: 12px;
    }

    .matrix-dim-controls {
        display: flex;
        flex-wrap: nowrap;
        justify-content: center;
        align-items: center;
        gap: 4px;
        width: 100%;
        font-size: 0.85rem;
    }

    .dim-input {
        width: 48px !important;
        min-width: 0 !important;
        height: 36px !important;
        padding: 2px !important;
    }

    .matrix-grid {
        display: grid;
        width: 100%;
        max-width: 100%;
        gap: 4px;
        margin: 12px 0;
        justify-content: stretch;
        box-sizing: border-box;
    }

    .matrix-input {
        width: 100% !important;
        min-width: 0 !important;
        max-width: 100% !important;
        height: 36px;
        padding: 2px 1px;
        font-size: 0.85rem;
        box-sizing: border-box;
    }
}


/* =========================================================
   VERY SMALL MOBILE
   ========================================================= */

@media (max-width: 380px) {

    .matrix-box {
        padding: 12px 4px;
    }

    .matrix-grid {
        gap: 3px;
    }

    .matrix-input {
        height: 34px;
        padding: 2px 0;
        font-size: 0.8rem;
    }

    .matrix-dim-controls {
        gap: 3px;
        font-size: 0.8rem;
    }

    .dim-input {
        width: 43px !important;
        height: 34px !important;
    }
}

/* =========================================================
   MATRIX RESULT
   ========================================================= */

#matrix-result-box {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    overflow: hidden;
}

.matrix-result-table-wrapper {
    width: 100%;
    max-width: 100%;
    overflow-x: auto;
    box-sizing: border-box;
}

.matrix-result-table {
    width: 100%;
    max-width: 100%;
    table-layout: fixed;
    border-collapse: separate;
    border-spacing: 0;
    border-left: 2px solid var(--text-light);
    border-right: 2px solid var(--text-light);
    margin: 10px auto;
}

.matrix-result-table td {
    text-align: center;
    font-weight: 500;
    padding: 6px 5px;
    word-break: break-word;
}


/* Mobile Result */

@media (max-width: 600px) {

    #matrix-result-box {
        padding: 14px 10px !important;
    }

    .matrix-result-table-wrapper {
        overflow-x: hidden;
    }

    .matrix-result-table {
        width: 100%;
        table-layout: fixed;
        margin: 8px 0;
    }

    .matrix-result-table td {
        padding: 6px 2px;
        font-size: 0.8rem;
    }
}


/* Very Small Mobile */

@media (max-width: 380px) {

    #matrix-result-box {
        padding: 12px 6px !important;
    }

    .matrix-result-table td {
        padding: 5px 1px;
        font-size: 0.72rem;
    }
}