/* Infrastructure Page Styles */

.page-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-3xl) var(--space-xl);
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

/* Table of Contents */
.toc {
    position: sticky;
    top: calc(var(--nav-height) + var(--space-xl));
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
}

.toc-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-md);
}

.toc-nav {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.toc-link {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.toc-link:hover {
    color: var(--color-text-primary);
    background: var(--color-bg-tertiary);
}

.toc-link.active {
    color: var(--color-accent);
    background: var(--color-accent-dim);
}

/* Architecture Diagram */
.architecture-diagram {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg) var(--space-xl);
    margin: var(--space-xl) 0;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.arch-row {
    display: grid;
    grid-template-columns: 110px 1fr;
    align-items: center;
    gap: var(--space-xl);
    padding: var(--space-lg) 0;
    border-bottom: 1px solid var(--color-border);
}

.arch-row:last-child {
    border-bottom: none;
}

.arch-label-cell {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-tertiary);
    text-align: right;
    padding-right: var(--space-lg);
    border-right: 2px solid var(--color-border);
}

.arch-components-cell {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.arch-component {
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-lg);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-text-secondary);
}

/* Merkle Diagram */
.merkle-diagram {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin: var(--space-xl) 0;
}

.merkle-tree {
    width: 100%;
    max-width: 600px;
    height: auto;
    margin: 0 auto;
    display: block;
}

.merkle-tree .block-border {
    fill: none;
    stroke: var(--color-text-secondary);
    stroke-width: 2;
}

.merkle-tree .block-label {
    fill: var(--color-text-secondary);
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 500;
    text-anchor: end;
}

.merkle-tree .arrow-line {
    stroke: var(--color-text-tertiary);
    stroke-width: 1.5;
    fill: none;
}

.merkle-tree .arrow-head {
    fill: var(--color-text-tertiary);
}

.merkle-tree .consensus-label {
    fill: var(--color-accent);
    font-family: var(--font-sans);
    font-size: 15px;
    font-weight: 600;
    text-anchor: middle;
}

.merkle-tree .hash-label {
    fill: var(--color-text-secondary);
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 500;
    text-anchor: middle;
}

.merkle-tree .emb-label {
    fill: var(--color-text-secondary);
    font-family: var(--font-mono);
    font-size: 12px;
    text-anchor: middle;
}

.merkle-tree .post-label {
    fill: var(--color-text-tertiary);
    font-family: var(--font-sans);
    font-size: 13px;
    font-style: italic;
    text-anchor: middle;
}

/* Data Structures */
.data-structure {
    margin: var(--space-xl) 0;
}

.structure-title {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
}

/* Callouts */
.callout {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-left: 3px solid var(--color-accent);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    margin: var(--space-xl) 0;
}

.callout-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.callout p {
    margin-bottom: 0;
    font-size: 0.9rem;
}

/* Code Syntax Highlighting */
.code-comment { color: #6b7280; }
.code-keyword { color: #c084fc; }
.code-function { color: #60a5fa; }
.code-builtin { color: #f472b6; }
.code-string { color: #4ade80; }
.code-number { color: #fbbf24; }

/* Responsive */
@media (max-width: 1024px) {
    .page-content {
        grid-template-columns: 1fr;
        padding: var(--space-xl) var(--space-md);
        max-width: 100%;
        box-sizing: border-box;
    }
    
    .toc {
        position: static;
        margin: 0 0 var(--space-xl) 0;
        max-width: 100%;
        box-sizing: border-box;
    }
    
    .toc-nav {
        flex-direction: row;
        flex-wrap: wrap;
        gap: var(--space-sm);
    }
    
    .content {
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        overflow-x: hidden;
    }
}

@media (max-width: 768px) {
    .page-header {
        padding: var(--space-xl) 0;
    }
    
    .page-header-content {
        padding: 0 var(--space-md);
        max-width: 100%;
        box-sizing: border-box;
    }
    
    .page-content {
        padding: var(--space-lg) var(--space-md);
        max-width: 100%;
        box-sizing: border-box;
    }
    
    .toc {
        max-width: 100%;
        box-sizing: border-box;
        overflow: hidden;
    }
    
    .toc-nav {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: var(--space-xs);
    }
    
    .toc-link {
        white-space: nowrap;
        flex-shrink: 0;
    }
    
    .architecture-diagram {
        padding: var(--space-md);
        margin: var(--space-lg) 0;
        max-width: 100%;
        box-sizing: border-box;
    }
    
    .arch-row {
        grid-template-columns: 1fr;
        gap: var(--space-sm);
        padding: var(--space-md) 0;
    }
    
    .arch-label-cell {
        text-align: center;
        border-right: none;
        padding-right: 0;
        padding-bottom: var(--space-sm);
        border-bottom: 1px solid var(--color-border);
        font-size: 0.65rem;
    }
    
    .arch-components-cell {
        gap: var(--space-xs);
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .arch-component {
        font-size: 0.7rem;
        padding: var(--space-xs) var(--space-sm);
        text-align: center;
        flex: 0 1 auto;
        min-width: 0;
        max-width: 100%;
        word-break: break-word;
    }
    
    .merkle-diagram {
        overflow-x: auto;
        padding: var(--space-md);
        -webkit-overflow-scrolling: touch;
        max-width: 100%;
        box-sizing: border-box;
    }
    
    .merkle-tree {
        min-width: 320px;
        max-width: 100%;
    }
    
    .data-structure {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        max-width: 100%;
    }
    
    table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
    }
    
    pre {
        font-size: 0.7rem;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        max-width: 100%;
        box-sizing: border-box;
    }
    
    .callout {
        padding: var(--space-md);
        max-width: 100%;
        box-sizing: border-box;
    }
    
    .content {
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        overflow-x: hidden;
    }
    
    .content h2 {
        font-size: 1.35rem;
    }
    
    .content h3 {
        font-size: 1.1rem;
    }
    
    .content h4 {
        font-size: 0.95rem;
    }
    
    .content p,
    .content li {
        font-size: 0.9rem;
    }
    
    .content pre,
    .content code {
        max-width: 100%;
        overflow-x: auto;
    }
}

@media (max-width: 480px) {
    .page-header {
        padding: var(--space-lg) 0;
    }
    
    .page-header-content {
        padding: 0 var(--space-sm);
        max-width: 100%;
        box-sizing: border-box;
    }
    
    .page-title {
        font-size: 1.5rem;
        word-break: break-word;
    }
    
    .page-subtitle {
        font-size: 0.85rem;
        line-height: 1.6;
    }
    
    .page-content {
        padding: var(--space-lg) var(--space-sm);
        max-width: 100%;
        box-sizing: border-box;
    }
    
    .content h2 {
        font-size: 1.2rem;
        margin: var(--space-xl) 0 var(--space-md);
    }
    
    .content h3 {
        font-size: 1rem;
    }
    
    .toc {
        padding: var(--space-sm);
        margin-bottom: var(--space-lg);
        max-width: 100%;
        box-sizing: border-box;
    }
    
    .toc-title {
        font-size: 0.7rem;
    }
    
    .toc-link {
        font-size: 0.75rem;
        padding: 4px 6px;
    }
    
    .architecture-diagram {
        padding: var(--space-sm);
        margin: var(--space-md) 0;
        max-width: 100%;
        box-sizing: border-box;
    }
    
    .arch-row {
        padding: var(--space-sm) 0;
    }
    
    .arch-label-cell {
        font-size: 0.6rem;
        padding-bottom: var(--space-xs);
    }
    
    .arch-component {
        font-size: 0.6rem;
        padding: 4px 6px;
        min-width: 0;
        flex: 0 1 auto;
    }
    
    .merkle-diagram {
        padding: var(--space-sm);
        max-width: 100%;
        box-sizing: border-box;
    }
    
    .callout {
        padding: var(--space-sm);
        max-width: 100%;
        box-sizing: border-box;
    }
    
    .callout-title {
        font-size: 0.8rem;
    }
    
    .callout p,
    .callout li {
        font-size: 0.8rem;
    }
    
    pre {
        font-size: 0.65rem;
        padding: var(--space-sm);
    }
}