/* Matrix Calculator Styles */

.matrix-container {
    padding: 20px;
    display: none;
}

.matrix-container.visible {
    display: block;
}

/* Matrix Setup Controls */
.matrix-setup {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 20px;
    padding: 15px;
    background: var(--dark);
    border-radius: 12px;
}

.matrix-size-controls {
    display: flex;
    align-items: center;
    gap: 10px;
}

.matrix-size-controls label {
    color: var(--text-secondary);
    font-weight: 600;
}

.matrix-size-controls input[type="number"] {
    width: 60px;
    padding: 8px 10px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    text-align: center;
    font-size: 14px;
}

.matrix-size-controls input[type="number"]:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.matrix-size-controls span {
    color: var(--text-secondary);
    font-weight: 600;
}

/* Matrices Wrapper */
.matrices-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
    margin-bottom: 20px;
}

/* Matrix Input Section */
.matrix-input-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.matrix-input-section.centered {
    width: 100%;
}

.matrix-input-section h4 {
    color: var(--text);
    font-weight: 600;
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Matrix Grid */
.matrix-grid {
    display: inline-grid;
    gap: 4px;
    padding: 15px;
    background: var(--surface);
    border: 2px solid var(--border);
    border-radius: 12px;
    position: relative;
}

.matrix-grid::before,
.matrix-grid::after {
    content: '';
    position: absolute;
    top: 5px;
    bottom: 5px;
    width: 4px;
    background: var(--primary);
    border-radius: 2px;
}

.matrix-grid::before {
    left: 5px;
}

.matrix-grid::after {
    right: 5px;
}

.matrix-grid.result {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(16, 185, 129, 0.05));
    border-color: var(--success);
}

.matrix-grid.result::before,
.matrix-grid.result::after {
    background: var(--success);
}

.matrix-grid.augmented {
    position: relative;
}

.matrix-grid.augmented::before {
    left: 5px;
}

.matrix-grid.augmented::after {
    right: 5px;
}

/* Matrix Cell */
.matrix-cell {
    width: 55px;
    height: 40px;
    padding: 5px;
    background: var(--dark);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    text-align: center;
    font-size: 14px;
    font-family: 'Consolas', 'Monaco', monospace;
    transition: all 0.2s;
}

.matrix-cell:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
    background: var(--surface);
}

.matrix-cell.result-cell {
    background: var(--dark);
    border-color: var(--success);
    color: var(--success);
    font-weight: 600;
    cursor: default;
}

.matrix-cell.augmented-separator {
    border-left: 3px solid var(--warning);
    margin-left: 5px;
}

/* Matrix Quick Actions */
.matrix-quick-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
}

.graph-btn.small {
    padding: 6px 12px;
    font-size: 12px;
}

/* Matrix Operations */
.matrix-operations {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin: 20px 0;
    padding: 15px;
    background: var(--dark);
    border-radius: 12px;
}

.matrix-operations .graph-btn {
    min-width: 80px;
}

.matrix-operations .graph-btn.primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-color: var(--primary-light);
}

.matrix-operations .graph-btn.primary:hover {
    box-shadow: 0 4px 15px var(--primary-glow);
}

/* Scalar Input */
.scalar-input {
    display: flex;
    align-items: center;
    gap: 10px;
    justify-content: center;
    margin: 15px 0;
    padding: 15px;
    background: var(--surface);
    border-radius: 8px;
}

.scalar-input label {
    color: var(--text-secondary);
    font-weight: 600;
}

.scalar-input input {
    width: 80px;
    padding: 8px 10px;
    background: var(--dark);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    text-align: center;
}

/* Matrix Result Section */
.matrix-result-section {
    margin-top: 20px;
    padding: 20px;
    background: var(--dark);
    border-radius: 12px;
    text-align: center;
}

.matrix-result-section h4 {
    color: var(--success);
    margin-bottom: 15px;
}

/* Gauss Steps */
.gauss-steps {
    margin-top: 20px;
    padding: 20px;
    background: var(--dark);
    border-radius: 12px;
}

.gauss-steps h4 {
    color: var(--primary-light);
    margin-bottom: 15px;
}

.steps-container {
    max-height: 400px;
    overflow-y: auto;
}

.gauss-step {
    margin-bottom: 20px;
    padding: 15px;
    background: var(--surface);
    border-radius: 8px;
    border-left: 4px solid var(--primary);
}

.gauss-step .step-description {
    color: var(--text-secondary);
    margin-bottom: 10px;
    font-style: italic;
}

.gauss-step .step-matrix {
    display: inline-grid;
    gap: 3px;
    padding: 10px;
    background: var(--dark);
    border-radius: 6px;
}

.gauss-step .step-cell {
    width: 50px;
    padding: 5px;
    text-align: center;
    color: var(--text);
    font-family: monospace;
    font-size: 12px;
}

/* System info */
.system-info {
    margin: 10px 0;
    padding: 12px 15px;
    background: var(--surface);
    border-radius: 8px;
    font-size: 13px;
    color: var(--text-secondary);
    border-left: 3px solid var(--primary);
}

/* Responsive */
@media (max-width: 768px) {
    .matrices-wrapper {
        flex-direction: column;
        align-items: center;
    }

    .matrix-setup {
        flex-direction: column;
        gap: 15px;
    }

    .matrix-cell {
        width: 45px;
        height: 35px;
        font-size: 12px;
    }

    .matrix-operations {
        gap: 8px;
    }

    .matrix-operations .graph-btn {
        min-width: 70px;
        padding: 8px 12px;
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .matrix-cell {
        width: 38px;
        height: 32px;
        font-size: 11px;
    }

    .matrix-grid {
        padding: 10px;
        gap: 2px;
    }
}