/* ASCII Art Replacement CSS - Compatible with existing modern.css and dark mode */

/* 4-Quadrant Matrix (for menu engineering) */
.matrix-4x4 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 1px;
    background-color: var(--border-color, #d1d5db);
    border: 2px solid var(--border-color, #d1d5db);
    border-radius: 8px;
    overflow: hidden;
    margin: 1.5rem 0;
    max-width: 600px;
}

.matrix-quadrant {
    background-color: var(--card-bg, #ffffff);
    padding: 1.5rem;
    text-align: center;
    position: relative;
}

.matrix-quadrant h4 {
    color: var(--text-primary, #1f2937);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.matrix-quadrant p {
    color: var(--text-secondary, #6b7280);
    font-size: 0.9rem;
    margin: 0;
}

.matrix-quadrant.star {
    background-color: var(--success-light, #dcfce7);
    border-top: 3px solid var(--success, #22c55e);
}

.matrix-quadrant.puzzle {
    background-color: var(--warning-light, #fef3c7);
    border-top: 3px solid var(--warning, #f59e0b);
}

.matrix-quadrant.plow-horse {
    background-color: var(--info-light, #dbeafe);
    border-top: 3px solid var(--info, #3b82f6);
}

.matrix-quadrant.dog {
    background-color: var(--error-light, #fee2e2);
    border-top: 3px solid var(--error, #ef4444);
}

/* Process Flow Diagrams */
.process-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin: 1.5rem 0;
    padding: 1rem;
    background-color: var(--bg-secondary, #f9fafb);
    border-radius: 8px;
    border: 1px solid var(--border-color, #e5e7eb);
}

.process-step {
    background-color: var(--card-bg, #ffffff);
    border: 2px solid var(--primary-color, #3b82f6);
    border-radius: 8px;
    padding: 1rem;
    text-align: center;
    min-width: 120px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.process-step h5 {
    color: var(--primary-color, #3b82f6);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    font-weight: 600;
}

.process-step p {
    color: var(--text-secondary, #6b7280);
    font-size: 0.8rem;
    margin: 0;
}

.process-arrow {
    color: var(--primary-color, #3b82f6);
    font-size: 1.5rem;
    font-weight: bold;
}

/* Tree Structure Diagrams */
.tree-structure {
    font-family: 'Courier New', monospace;
    background-color: var(--card-bg, #ffffff);
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 8px;
    padding: 1.5rem;
    margin: 1.5rem 0;
    overflow-x: auto;
}

.tree-structure pre {
    margin: 0;
    color: var(--text-primary, #1f2937);
    font-size: 0.9rem;
    line-height: 1.4;
    white-space: pre;
}

.tree-node {
    display: inline-block;
    color: var(--primary-color, #3b82f6);
    font-weight: 600;
}

.tree-path {
    color: var(--text-secondary, #6b7280);
}

/* Box Diagrams */
.info-box-diagram {
    border: 2px solid var(--border-color, #d1d5db);
    border-radius: 8px;
    padding: 1.5rem;
    margin: 1.5rem 0;
    background-color: var(--card-bg, #ffffff);
    position: relative;
}

.info-box-diagram::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color, #3b82f6), var(--secondary-color, #8b5cf6));
    border-radius: 6px 6px 0 0;
}

.info-box-diagram h4 {
    color: var(--primary-color, #3b82f6);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.info-box-diagram .content {
    color: var(--text-primary, #1f2937);
    line-height: 1.6;
}

/* Decision Tree */
.decision-tree {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 1.5rem 0;
    padding: 1rem;
    background-color: var(--bg-secondary, #f9fafb);
    border-radius: 8px;
    border: 1px solid var(--border-color, #e5e7eb);
}

.decision-node {
    background-color: var(--card-bg, #ffffff);
    border: 2px solid var(--primary-color, #3b82f6);
    border-radius: 12px;
    padding: 1rem;
    margin: 0.5rem;
    text-align: center;
    min-width: 150px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.decision-node.question {
    background-color: var(--warning-light, #fef3c7);
    border-color: var(--warning, #f59e0b);
}

.decision-node.answer {
    background-color: var(--success-light, #dcfce7);
    border-color: var(--success, #22c55e);
}

.decision-branches {
    display: flex;
    gap: 2rem;
    margin-top: 1rem;
}

.decision-connector {
    width: 2px;
    height: 30px;
    background-color: var(--border-color, #d1d5db);
    margin: 0 auto;
}

/* Table Replacement for ASCII Tables */
.ascii-table-replacement {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    background-color: var(--card-bg, #ffffff);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.ascii-table-replacement th {
    background-color: var(--primary-color, #3b82f6);
    color: white;
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.9rem;
}

.ascii-table-replacement td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-light, #f3f4f6);
    color: var(--text-primary, #1f2937);
    font-size: 0.9rem;
}

.ascii-table-replacement tr:nth-child(even) {
    background-color: var(--bg-alt, #f9fafb);
}

.ascii-table-replacement tr:hover {
    background-color: var(--hover-bg, #f3f4f6);
}

/* Flow Chart Arrows */
.flow-arrow-right::after {
    content: '→';
    color: var(--primary-color, #3b82f6);
    font-size: 1.5rem;
    font-weight: bold;
    margin-left: 0.5rem;
}

.flow-arrow-down::after {
    content: '↓';
    color: var(--primary-color, #3b82f6);
    font-size: 1.5rem;
    font-weight: bold;
    display: block;
    text-align: center;
    margin: 0.5rem 0;
}

/* Dark Mode Compatibility */
@media (prefers-color-scheme: dark) {
    .matrix-4x4 {
        background-color: var(--border-dark, #374151);
        border-color: var(--border-dark, #374151);
    }
    
    .matrix-quadrant {
        background-color: var(--card-bg-dark, #1f2937);
        color: var(--text-dark, #f9fafb);
    }
    
    .matrix-quadrant h4 {
        color: var(--text-dark, #f9fafb);
    }
    
    .matrix-quadrant p {
        color: var(--text-secondary-dark, #9ca3af);
    }
    
    .process-flow {
        background-color: var(--bg-secondary-dark, #111827);
        border-color: var(--border-dark, #374151);
    }
    
    .process-step {
        background-color: var(--card-bg-dark, #1f2937);
        border-color: var(--primary-dark, #60a5fa);
    }
    
    .tree-structure {
        background-color: var(--card-bg-dark, #1f2937);
        border-color: var(--border-dark, #374151);
    }
    
    .tree-structure pre {
        color: var(--text-dark, #f9fafb);
    }
    
    .ascii-table-replacement {
        background-color: var(--card-bg-dark, #1f2937);
    }
    
    .ascii-table-replacement th {
        background-color: var(--primary-dark, #1d4ed8);
    }
    
    .ascii-table-replacement td {
        color: var(--text-dark, #f9fafb);
        border-bottom-color: var(--border-dark, #374151);
    }
    
    .ascii-table-replacement tr:nth-child(even) {
        background-color: var(--bg-alt-dark, #111827);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .matrix-4x4 {
        grid-template-columns: 1fr;
        grid-template-rows: repeat(4, 1fr);
    }
    
    .process-flow {
        flex-direction: column;
    }
    
    .decision-branches {
        flex-direction: column;
        gap: 1rem;
    }
    
    .ascii-table-replacement {
        font-size: 0.8rem;
    }
    
    .ascii-table-replacement th,
    .ascii-table-replacement td {
        padding: 0.5rem;
    }
}

/* Animation for interactive elements */
.matrix-quadrant,
.process-step,
.decision-node {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.matrix-quadrant:hover,
.process-step:hover,
.decision-node:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}