/* Developer Docs - Documentation Page Styles */

/* Override body for docs page */
html, body {
    height: 100%;
    overflow: auto;
}

/* ============================================
   Layout
   ============================================ */

.docs-layout {
    display: flex;
    min-height: 100vh;
}

.docs-main {
    flex: 1;
    min-width: 0;
    max-width: 960px;
    margin: 0 auto;
    padding: var(--space-xl) var(--space-xl) var(--space-2xl);
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* ============================================
   Header
   ============================================ */

.docs-header {
    text-align: center;
    padding-bottom: var(--space-lg);
}

.docs-subtitle {
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    margin-top: var(--space-sm);
}

/* ============================================
   Mobile TOC Button
   ============================================ */

.mobile-toc-btn {
    display: none;
    align-items: center;
    gap: var(--space-sm);
    align-self: flex-start;
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-family: inherit;
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: border-color var(--transition-fast), color var(--transition-fast);
    margin-bottom: var(--space-lg);
}

.mobile-toc-btn:hover {
    border-color: var(--color-gold);
    color: var(--color-gold);
}

/* ============================================
   Sidebar
   ============================================ */

.docs-sidebar {
    position: sticky;
    top: 0;
    width: 240px;
    flex-shrink: 0;
    height: 100vh;
    overflow-y: auto;
    padding: var(--space-xl) var(--space-lg) var(--space-xl) var(--space-xl);
    border-right: 1px solid var(--border-color);
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-lg);
}

.sidebar-label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.sidebar-close {
    display: none;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    padding: 0;
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: color var(--transition-fast), background var(--transition-fast);
}

.sidebar-close:hover {
    color: var(--text-primary);
    background: var(--bg-surface);
}

.toc-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.toc-sublist {
    list-style: none;
    padding-left: var(--space-md);
    margin-top: 2px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.toc-link {
    display: block;
    padding: 6px var(--space-sm);
    color: var(--text-muted);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 400;
    border-radius: var(--radius-sm);
    border-left: 2px solid transparent;
    transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}

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

.toc-link.active {
    color: var(--color-gold);
    border-left-color: var(--color-gold);
    font-weight: 500;
}

.toc-sublist .toc-link {
    font-size: 0.8rem;
    padding: 4px var(--space-sm);
}

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 998;
}

.sidebar-overlay.visible {
    display: block;
}

/* ============================================
   Hero
   ============================================ */

.docs-hero {
    width: 100%;
    text-align: center;
    padding: var(--space-2xl) var(--space-lg);
    margin-bottom: var(--space-xl);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.hero-badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-gold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-md);
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    letter-spacing: -0.01em;
}

.hero-desc {
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    max-width: 600px;
    margin: 0 auto var(--space-xl);
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   Buttons
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--color-gold);
    color: var(--bg-primary);
    border-color: var(--color-gold);
}

.btn-primary:hover {
    background: var(--color-gold-light);
    border-color: var(--color-gold-light);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border-color: var(--border-color);
}

.btn-ghost:hover {
    border-color: var(--color-gold);
    color: var(--color-gold);
    transform: translateY(-1px);
}

/* ============================================
   Content
   ============================================ */

.docs-content {
    width: 100%;
}

.docs-section {
    padding-top: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.section-heading {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--border-color);
}

.docs-section h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-top: var(--space-xl);
    margin-bottom: var(--space-md);
}

.docs-section h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-secondary);
    margin-top: var(--space-lg);
    margin-bottom: var(--space-md);
}

.docs-section p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-md);
}

.docs-section ul,
.docs-section ol {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-md);
    padding-left: var(--space-xl);
}

.docs-section li {
    margin-bottom: var(--space-xs);
}

.docs-section a {
    color: var(--color-gold);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.docs-section a:hover {
    color: var(--color-gold-light);
    text-decoration: underline;
}

/* Inline code */
.docs-section code,
.docs-section p code,
.docs-section li code,
.docs-section td code {
    font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    font-size: 0.875em;
    padding: 2px 6px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--color-gold);
    word-break: break-word;
}

/* ============================================
   Code Blocks
   ============================================ */

.docs-section pre {
    margin-bottom: var(--space-lg);
    border-radius: var(--radius-md);
    overflow-x: auto;
    border: 1px solid rgba(42, 74, 111, 0.6);
    background: #0c1520;
}

[data-theme="light"] .docs-section pre {
    background: #1a2332;
    border-color: #2a4a6f;
}

.docs-section pre code {
    display: block;
    padding: var(--space-lg);
    font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    font-size: 0.85rem;
    line-height: 1.65;
    color: #c8d6e5;
    background: transparent;
    border: none;
    border-radius: 0;
    padding: var(--space-lg);
    white-space: pre;
    word-break: normal;
}

/* Syntax highlighting tokens */
.docs-section pre .kw { color: #c792ea; }     /* keywords: using, public, void, if, return, var, null */
.docs-section pre .type { color: #82aaff; }   /* types: OkonaInputBridge, Vector2, JSON */
.docs-section pre .fn { color: #ecc48d; }     /* functions: Awake, Start, Update */
.docs-section pre .str { color: #c3e88d; }    /* strings */
.docs-section pre .cm { color: #546e7a; }     /* comments */
.docs-section pre .num { color: #f78c6c; }    /* numbers */

/* ============================================
   Architecture Diagram
   ============================================ */

.arch-diagram {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    overflow-x: auto;
    padding: var(--space-xl) var(--space-md);
    margin-bottom: var(--space-lg);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.arch-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    min-width: 100px;
    text-align: center;
}

.arch-node span {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    white-space: nowrap;
}

.arch-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
}

.arch-node-highlight .arch-icon {
    border-color: var(--color-gold);
    color: var(--color-gold);
    box-shadow: 0 0 12px rgba(232, 165, 37, 0.15);
}

.arch-node-highlight span {
    color: var(--color-gold);
    font-weight: 600;
}

.arch-arrow {
    flex-shrink: 0;
    color: var(--text-muted);
    opacity: 0.5;
}

/* ============================================
   Quick Start Steps
   ============================================ */

.step {
    display: flex;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.step-number {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gold);
    color: var(--bg-primary);
    font-weight: 700;
    font-size: var(--font-size-base);
    border-radius: 50%;
    margin-top: 2px;
}

.step-content {
    flex: 1;
    min-width: 0;
}

.step-content h3 {
    margin-top: 0;
    font-size: var(--font-size-lg);
}

/* ============================================
   Tables
   ============================================ */

.table-wrap {
    overflow-x: auto;
    margin-bottom: var(--space-lg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.docs-section table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

.docs-section thead {
    background: var(--bg-surface);
}

.docs-section th {
    padding: var(--space-sm) var(--space-md);
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
    white-space: nowrap;
}

.docs-section td {
    padding: var(--space-sm) var(--space-md);
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

.docs-section tr:last-child td {
    border-bottom: none;
}

.docs-section tbody tr:hover {
    background: var(--bg-surface);
}

.compact-tables table {
    max-width: 320px;
}

/* ============================================
   API Blocks
   ============================================ */

.api-block {
    padding-top: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.api-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.api-location {
    margin-bottom: var(--space-md);
}

.api-location code {
    font-size: 0.85rem;
}

/* ============================================
   Feature List
   ============================================ */

.feature-list {
    list-style: none;
    padding-left: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.feature-list li {
    position: relative;
    padding-left: var(--space-xl);
    color: var(--text-secondary);
}

.feature-list li::before {
    content: '';
    position: absolute;
    left: 4px;
    top: 8px;
    width: 8px;
    height: 8px;
    background: var(--color-gold);
    border-radius: 2px;
    transform: rotate(45deg);
}

/* ============================================
   Troubleshooting
   ============================================ */

.troubleshoot-item {
    margin-bottom: var(--space-xl);
    padding: var(--space-lg);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-gold);
}

.troubleshoot-item h3 {
    margin-top: 0;
    font-size: var(--font-size-base);
    font-weight: 600;
}

.troubleshoot-item ul {
    margin-bottom: 0;
}

.troubleshoot-item p:last-child {
    margin-bottom: 0;
}

.troubleshoot-item pre {
    margin-bottom: 0;
}

/* ============================================
   Bottom CTA
   ============================================ */

.docs-bottom-cta {
    text-align: center;
    padding: var(--space-2xl) var(--space-lg);
    margin-top: var(--space-xl);
    margin-bottom: var(--space-xl);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 100%;
}

.docs-bottom-cta h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.docs-bottom-cta p {
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-xl);
}

/* ============================================
   Back Link (reuse auth page pattern)
   ============================================ */

.back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    text-decoration: none;
    transition: color var(--transition-fast);
    margin-top: var(--space-lg);
}

.back-link:hover {
    color: var(--color-gold);
}

.back-link svg {
    transition: transform var(--transition-fast);
}

.back-link:hover svg {
    transform: translateX(-4px);
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 1100px) {
    .docs-sidebar {
        position: fixed;
        top: 0;
        left: 0;
        z-index: 999;
        width: 280px;
        background: var(--bg-primary);
        border-right: 1px solid var(--border-color);
        transform: translateX(-100%);
        transition: transform var(--transition-normal);
        box-shadow: none;
    }

    .docs-sidebar.open {
        transform: translateX(0);
        box-shadow: var(--shadow-lg);
    }

    .sidebar-close {
        display: flex;
    }

    .mobile-toc-btn {
        display: flex;
    }
}

@media (max-width: 768px) {
    .docs-main {
        padding: var(--space-lg);
    }

    .docs-hero {
        padding: var(--space-xl) var(--space-md);
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    .feature-list {
        grid-template-columns: 1fr;
    }

    .step {
        flex-direction: column;
        gap: var(--space-sm);
    }

    .step-number {
        width: 28px;
        height: 28px;
        font-size: var(--font-size-sm);
    }

    .arch-diagram {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--space-xs);
    }

    .arch-arrow {
        display: none;
    }

    .arch-node {
        min-width: 80px;
        padding: var(--space-sm);
    }

    .section-heading {
        font-size: var(--font-size-xl);
    }
}

@media (max-width: 480px) {
    .docs-main {
        padding: var(--space-md);
    }

    .docs-section pre code {
        font-size: 0.78rem;
        padding: var(--space-md);
    }

    .troubleshoot-item {
        padding: var(--space-md);
    }
}