/* Responsive Design for Matrix Calculator */

@media (max-width: 992px) {
    .header {
        padding: 1.25rem;
    }
    .nav ul {
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .header {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }
    
    .nav ul {
        gap: 1.25rem;
        font-size: 0.95rem;
    }

    .header-contact {
        gap: 2rem;
    }

    .header-contact .contact-text {
        display: none;
    }

    .header-contact i {
        font-size: 1.25rem;
    }

    .main-content {
        padding: 1.5rem 1rem;
    }

    .calculator-container {
        padding: 1.5rem;
    }

    .calculator-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .matrices-wrapper {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .matrix-card {
        max-width: 100%;
    }

    .op-group {
        display: grid;
        grid-template-columns: 1fr 1fr;
    }
    
    .primary-ops {
        grid-template-columns: 1fr; /* Full width for main operations */
    }
    
    .result-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .header-contact {
        display: none;
    }
    
    .calculator-container {
        padding: 1rem;
        border-radius: var(--radius-md);
    }
    
    .matrix-input {
        width: 45px; /* Smaller inputs for small mobile screens to fit 3x3 */
        height: 45px;
        font-size: 0.9rem;
    }
    
    .result-matrix-cell {
        width: 45px;
        height: 45px;
        font-size: 0.95rem;
    }
    
    .btn {
        padding: 0.75rem 1rem;
        font-size: 0.85rem;
    }
    
    .op-group {
        grid-template-columns: 1fr 1fr;
    }

    .toast {
        bottom: 1rem;
        right: 1rem;
        left: 1rem;
        justify-content: center;
    }
    
    .footer {
        padding: 1.5rem 1rem;
    }
    
    .footer-contact {
        flex-direction: column;
        gap: 0.75rem;
    }
}