/* ===== EDUCATIONAL SECTION ===== */
.educational-section {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: var(--spacing-3xl) 0;
    margin-top: var(--spacing-2xl);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
}

.section-title i {
    color: var(--primary-color);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

.ide-container {
    background: #1e293b;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    overflow: hidden;
    margin: 0 auto;
    max-width: 1200px;
}

/* IDE Tabs */
.ide-tabs {
    display: flex;
    background: #0f172a;
    border-bottom: 1px solid #334155;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.ide-tabs::-webkit-scrollbar {
    display: none;
}

.ide-tab {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: #1e293b;
    color: #94a3b8;
    cursor: pointer;
    transition: all var(--transition-normal);
    border-right: 1px solid #334155;
    white-space: nowrap;
    position: relative;
    min-width: 200px;
}

.ide-tab:hover {
    background: #334155;
    color: #e2e8f0;
}

.ide-tab.active {
    background: #1e293b;
    color: #60a5fa;
    border-bottom: 2px solid #60a5fa;
}

.ide-tab i {
    font-size: 0.9rem;
}

.tab-name {
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    font-weight: 500;
}

.tab-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #ef4444;
    margin-left: auto;
}

.ide-tab.active .tab-dot {
    background: #10b981;
}

/* IDE Content */
.ide-content {
    background: #1e293b;
    min-height: 800px;
    position: relative;
}

.model-content {
    display: none;
    padding: 0;
    height: 100%;
}

.model-content.active {
    display: block;
}

.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-xl);
    background: #0f172a;
    border-bottom: 1px solid #334155;
}

.file-path {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    color: #94a3b8;
}

.file-path i {
    color: #60a5fa;
}

.content-meta {
    display: flex;
    gap: var(--spacing-md);
}

.accuracy, .model-type {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
}

.accuracy {
    background: rgba(16, 185, 129, 0.2);
    color: #10b981;
    border: 1px solid #10b981;
}

.model-type {
    background: rgba(96, 165, 250, 0.2);
    color: #60a5fa;
    border: 1px solid #60a5fa;
}

.explanation-section {
    padding: var(--spacing-xl);
    color: #e2e8f0;
    line-height: 1.7;
}

.explanation-brief {
    background: rgba(59, 130, 246, 0.1);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
    border-left: 4px solid #3b82f6;
}

.explanation-brief h4 {
    color: #60a5fa;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.explanation-brief p {
    color: #cbd5e1;
    margin: 0;
    font-size: 1.05rem;
}

.explanation-technical h4 {
    color: #f1f5f9;
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.3rem;
}

.code-section {
    margin-bottom: var(--spacing-xl);
}

.code-section h5 {
    color: #94a3b8;
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
    font-weight: 600;
}

.code-block {
    background: #0f172a;
    border-radius: var(--radius-md);
    border: 1px solid #334155;
    overflow-x: auto;
    position: relative;
}

.code-block pre {
    margin: 0;
    padding: var(--spacing-lg);
    font-family: 'Courier New', 'Monaco', 'Menlo', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    color: #e2e8f0;
    overflow-x: auto;
}

.code-block code {
    background: none;
    padding: 0;
    font-family: inherit;
    font-size: inherit;
    color: inherit;
}

/* Syntax Highlighting */
.code-block .comment { color: #6b7280; }
.code-block .keyword { color: #f59e0b; font-weight: bold; }
.code-block .string { color: #10b981; }
.code-block .function { color: #60a5fa; }
.code-block .number { color: #ef4444; }
.code-block .operator { color: #94a3b8; }

.performance-note {
    background: rgba(16, 185, 129, 0.1);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border-left: 4px solid #10b981;
    margin-top: var(--spacing-xl);
}

.performance-note strong {
    color: #10b981;
}

.performance-note ul {
    margin: var(--spacing-md) 0 0 var(--spacing-lg);
    color: #cbd5e1;
}

.performance-note li {
    margin-bottom: var(--spacing-xs);
}

.performance-note li strong {
    color: #e2e8f0;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .ide-container {
        margin: 0 var(--spacing-md);
    }
    
    .ide-tab {
        min-width: 160px;
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .tab-name {
        font-size: 0.8rem;
    }
    
    .content-header {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: flex-start;
    }
    
    .explanation-section {
        padding: var(--spacing-lg);
    }
    
    .code-block pre {
        font-size: 0.8rem;
        padding: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .educational-section {
        padding: var(--spacing-xl) 0;
    }
    
    .ide-container {
        margin: 0 var(--spacing-sm);
    }
    
    .ide-tab {
        min-width: 140px;
    }
    
    .explanation-section {
        padding: var(--spacing-md);
    }
    
    .explanation-brief,
    .performance-note {
        padding: var(--spacing-md);
    }
}