/* Matrix Calculator Specific Styles */
.matrix-calculator {
    background-color: var(--card-bg);
    border-radius: 1rem;
    box-shadow: 0 10px 20px var(--shadow-color);
    padding: 2rem;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
}

.matrix-calculator h1 {
    text-align: center;
    color: var(--text-color);
    margin-bottom: 0.5rem;
    font-size: 2.5rem;
}

.subtitle {
    text-align: center;
    color: var(--text-color);
    opacity: 0.7;
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

/* Operation Selector */
.operation-selector {
    margin-bottom: 2rem;
}

.operation-selector h3 {
    color: var(--text-color);
    margin-bottom: 1rem;
    text-align: center;
}

.operations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.operation-btn {
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    background-color: var(--bg-color);
    color: var(--text-color);
    border-radius: 0.5rem;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    text-align: center;
}

.operation-btn:hover {
    border-color: var(--primary-color);
    background-color: rgba(139, 92, 246, 0.1);
    transform: translateY(-1px);
}

.operation-btn.active {
    border-color: var(--primary-color);
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

/* Matrix Input Section */
.matrix-input-section {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 2rem;
    margin-bottom: 2rem;
}

.matrix-controls {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.size-controls h3,
.preset-controls h3 {
    color: var(--text-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.dimension-inputs {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.dimension-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.dimension-group label {
    color: var(--text-color);
    font-weight: 500;
    min-width: 70px;
}

.dimension-group input {
    width: 60px;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 0.25rem;
    background-color: var(--card-bg);
    color: var(--text-color);
    text-align: center;
}

.dimension-group span {
    color: var(--text-color);
    font-weight: bold;
}

.generate-btn {
    width: 100%;
    padding: 0.75rem;
    background-color: var(--secondary-color);
    color: white;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    font-weight: 600;
    margin-top: 1rem;
    transition: all 0.2s ease;
}

.generate-btn:hover {
    background-color: var(--primary-color);
    transform: translateY(-1px);
}

.preset-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
}

.preset-btn {
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    background-color: var(--card-bg);
    color: var(--text-color);
    border-radius: 0.25rem;
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.2s ease;
}

.preset-btn:hover {
    border-color: var(--primary-color);
    background-color: rgba(139, 92, 246, 0.1);
}

/* Matrices Container */
.matrices-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.matrix-input h3 {
    color: var(--text-color);
    margin-bottom: 1rem;
    text-align: center;
    font-size: 1.1rem;
}

.matrix-grid {
    display: grid;
    gap: 0.25rem;
    justify-content: center;
    background-color: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1rem;
    position: relative;
}

.matrix-grid::before,
.matrix-grid::after {
    content: '';
    position: absolute;
    top: 10%;
    bottom: 10%;
    width: 3px;
    background-color: var(--text-color);
}

.matrix-grid::before {
    left: 5px;
    border-radius: 0 3px 3px 0;
}

.matrix-grid::after {
    right: 5px;
    border-radius: 3px 0 0 3px;
}

.matrix-cell {
    width: 60px;
    height: 40px;
    border: 1px solid var(--border-color);
    border-radius: 0.25rem;
    background-color: var(--bg-color);
    color: var(--text-color);
    text-align: center;
    font-size: 0.9rem;
    transition: border-color 0.2s ease;
}

.matrix-cell:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(139, 92, 246, 0.2);
}

/* Single column layouts for scalar and vector */
.scalar-input,
.vector-input {
    grid-column: 1 / -1;
    text-align: center;
}

.scalar-input h3,
.vector-input h3 {
    color: var(--text-color);
    margin-bottom: 1rem;
}

.scalar-input input {
    width: 150px;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    background-color: var(--bg-color);
    color: var(--text-color);
    text-align: center;
    font-size: 1rem;
}

.vector-grid {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    align-items: center;
    background-color: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1rem;
    max-width: 100px;
    margin: 0 auto;
    position: relative;
}

.vector-grid::before,
.vector-grid::after {
    content: '';
    position: absolute;
    left: 10%;
    right: 10%;
    height: 3px;
    background-color: var(--text-color);
}

.vector-grid::before {
    top: 5px;
    border-radius: 3px 3px 0 0;
}

.vector-grid::after {
    bottom: 5px;
    border-radius: 0 0 3px 3px;
}

.vector-cell {
    width: 60px;
    height: 35px;
    border: 1px solid var(--border-color);
    border-radius: 0.25rem;
    background-color: var(--bg-color);
    color: var(--text-color);
    text-align: center;
    font-size: 0.9rem;
}

/* Calculation Controls */
.calculation-controls {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.calculate-btn,
.clear-btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.calculate-btn {
    background-color: var(--primary-color);
    color: white;
}

.calculate-btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

.clear-btn {
    background-color: #ef4444;
    color: white;
}

.clear-btn:hover {
    background-color: #dc2626;
    transform: translateY(-1px);
}

/* Results Section */
.results-section {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 2rem;
    margin-bottom: 2rem;
}

.results-section h3 {
    color: var(--text-color);
    margin-bottom: 1.5rem;
    text-align: center;
    font-size: 1.3rem;
}

.result-matrix {
    display: flex;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.result-matrix-grid {
    display: grid;
    gap: 0.25rem;
    background-color: var(--card-bg);
    border: 2px solid var(--primary-color);
    border-radius: 0.5rem;
    padding: 1rem;
    position: relative;
}

.result-matrix-grid::before,
.result-matrix-grid::after {
    content: '';
    position: absolute;
    top: 10%;
    bottom: 10%;
    width: 3px;
    background-color: var(--primary-color);
}

.result-matrix-grid::before {
    left: 5px;
    border-radius: 0 3px 3px 0;
}

.result-matrix-grid::after {
    right: 5px;
    border-radius: 3px 0 0 3px;
}

.result-cell {
    min-width: 80px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 0.25rem;
    color: var(--primary-color);
    font-weight: 600;
    font-family: 'Courier New', monospace;
}

.result-details {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1rem;
}

.result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.result-item:last-child {
    border-bottom: none;
}

.result-label {
    color: var(--text-color);
    font-weight: 500;
}

.result-value {
    color: var(--primary-color);
    font-weight: 600;
    font-family: 'Courier New', monospace;
}

/* Steps Section */
.steps-section {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 2rem;
    margin-bottom: 2rem;
}

.steps-section h3 {
    color: var(--text-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.step-item {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1rem;
    margin-bottom: 1rem;
}

.step-title {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.step-content {
    color: var(--text-color);
    font-family: 'Courier New', monospace;
    white-space: pre-wrap;
}

/* Properties Section */
.properties-section {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 2rem;
    margin-bottom: 2rem;
}

.properties-section h3 {
    color: var(--text-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.properties-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.property-item {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1rem;
    text-align: center;
}

.property-label {
    color: var(--text-color);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.property-value {
    color: var(--primary-color);
    font-size: 1.2rem;
    font-weight: 600;
    font-family: 'Courier New', monospace;
}

/* Help Section */
.help-section {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 2rem;
}

.help-section h3 {
    color: var(--text-color);
    margin-bottom: 1.5rem;
    text-align: center;
    font-size: 1.3rem;
}

.help-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.help-item {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1.5rem;
}

.help-item h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.help-item p {
    color: var(--text-color);
    margin-bottom: 0.75rem;
    line-height: 1.5;
}

.help-item code {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.25rem;
    padding: 0.5rem;
    font-family: 'Courier New', monospace;
    color: var(--primary-color);
    display: block;
    font-size: 0.9rem;
}

/* Error States */
.error {
    border-color: #ef4444 !important;
    background-color: rgba(239, 68, 68, 0.1) !important;
}

.error-message {
    color: #ef4444;
    font-size: 0.8rem;
    margin-top: 0.5rem;
    text-align: center;
}

/* Loading State */
.loading {
    opacity: 0.6;
    pointer-events: none;
    position: relative;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 30px;
    height: 30px;
    margin: -15px 0 0 -15px;
    border: 3px solid var(--primary-color);
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .matrix-controls {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .matrices-container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .operations-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
}

@media (max-width: 768px) {
    .matrix-calculator {
        padding: 1rem;
    }
    
    .matrix-calculator h1 {
        font-size: 2rem;
    }
    
    .operations-grid {
        grid-template-columns: 1fr;
    }
    
    .operation-btn {
        padding: 1rem;
        font-size: 1rem;
    }
    
    .matrix-input-section {
        padding: 1rem;
    }
    
    .calculation-controls {
        flex-direction: column;
        align-items: center;
    }
    
    .calculate-btn,
    .clear-btn {
        width: 100%;
        max-width: 200px;
    }
    
    .help-grid {
        grid-template-columns: 1fr;
    }
    
    .preset-buttons {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .dimension-group {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .matrix-cell,
    .vector-cell {
        width: 50px;
        height: 35px;
        font-size: 0.8rem;
    }
    
    .result-cell {
        min-width: 60px;
        height: 35px;
        font-size: 0.8rem;
    }
}

/* Focus states for accessibility */
.operation-btn:focus,
.calculate-btn:focus,
.clear-btn:focus,
.generate-btn:focus,
.preset-btn:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .matrix-grid,
    .result-matrix-grid,
    .vector-grid {
        border-width: 3px;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .operation-btn,
    .calculate-btn,
    .clear-btn,
    .generate-btn,
    .preset-btn {
        transition: none;
    }
    
    .operation-btn:hover,
    .calculate-btn:hover,
    .clear-btn:hover {
        transform: none;
    }
}