/* Recursion Tree Visualization Styles - Compact & Consistent */

.recursion-viz {
    background: var(--code-bg, #1e1e1e);
    border-radius: 8px;
    padding: 1rem;
    margin: 1.5rem 0;
    max-width: 100%;
}

[data-theme="dark"] .recursion-viz {
    background: #1a1a1a;
    border: 1px solid #333;
}

.recursion-header {
    text-align: center;
    margin-bottom: 1rem;
}

.recursion-header h3 {
    margin: 0 0 0.5rem 0;
    color: var(--text-primary, #fff);
    font-size: 1.2rem;
}

.recursion-formula {
    font-family: 'Fira Code', monospace;
    font-size: 1rem;
    color: #3b82f6;
    margin: 0;
    font-weight: 600;
}

.recursion-canvas-container {
    position: relative;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: 0.75rem;
    margin-bottom: 0.75rem;
    display: flex;
    justify-content: center;
}

.recursion-canvas-container canvas {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
}

.recursion-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.75rem;
    padding: 0.75rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
}

.recursion-explanation {
    background: rgba(59, 130, 246, 0.1);
    border-left: 3px solid #3b82f6;
    border-radius: 6px;
    padding: 1rem;
}

.explanation-content h4 {
    margin: 0 0 0.75rem 0;
    color: #3b82f6;
    font-size: 1rem;
}

.explanation-content ul {
    list-style: none;
    padding: 0;
    margin: 0 0 0.75rem 0;
}

.explanation-content li {
    padding: 0.4rem 0;
    color: var(--text-primary, #fff);
    font-size: 0.85rem;
}

.explanation-content li strong {
    color: #3b82f6;
}

.explanation-insight {
    background: rgba(16, 185, 129, 0.1);
    border-left: 3px solid #10b981;
    padding: 0.75rem;
    margin: 0.75rem 0 0 0;
    border-radius: 4px;
    color: var(--text-primary, #fff);
    font-size: 0.85rem;
}

.explanation-insight strong {
    color: #10b981;
}

/* Responsive - Mobile & Tablet */
@media (max-width: 768px) {
    .recursion-viz {
        padding: 0.75rem;
        margin: 1rem 0;
    }

    .recursion-header h3 {
        font-size: 1rem;
    }

    .recursion-formula {
        font-size: 0.9rem;
    }

    .recursion-canvas-container {
        padding: 0.5rem;
    }

    .recursion-canvas-container canvas {
        width: 100%;
    }

    .recursion-controls {
        flex-direction: column;
        gap: 0.5rem;
        padding: 0.5rem;
    }

    .viz-slider-group {
        width: 100%;
    }

    .recursion-explanation {
        padding: 0.75rem;
    }

    .explanation-content h4 {
        font-size: 0.9rem;
    }

    .explanation-content li {
        font-size: 0.75rem;
        padding: 0.3rem 0;
    }

    .explanation-insight {
        padding: 0.5rem;
        font-size: 0.75rem;
    }
}