/* ============================================================
   DataCube SDK Developer Portal
   Tab-based layout (build page style)
   ============================================================ */

:root {
    --sdk-accent: #2a5298;
    --sdk-accent-light: #3d6cb9;
    --sdk-accent-bg: #eef3fb;
    --sdk-dark: #1e3c72;
    --sdk-text: #333;
    --sdk-text-light: #666;
    --sdk-border: #e5e8eb;
    --sdk-bg: #f8f9fa;
    --sdk-code-bg: #f5f5f5;
}

/* Prevent outer page scroll — only .sdk-main-scroll scrolls */
body.sdk-page { overflow: hidden; height: 100vh; }

/* === Sub-tab navigation (same as build page) === */
.sdk-tabs-container {
    background: #fff;
    border-bottom: 2px solid var(--sdk-border);
}
.sdk-tabs {
    display: flex;
    gap: 0;
    height: 46px;
    align-items: stretch;
}
.sdk-tab {
    color: var(--sdk-text-light);
    font-size: 14px;
    font-weight: 500;
    padding: 0 20px;
    text-decoration: none;
    display: flex;
    align-items: center;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.2s;
}
.sdk-tab:hover {
    color: var(--sdk-accent);
    background: rgba(42, 82, 152, 0.04);
}
.sdk-tab.active {
    color: var(--sdk-accent);
    border-bottom-color: var(--sdk-accent);
    font-weight: 600;
}

/* === Layout: sidebar + main === */
.sdk-layout {
    display: flex;
    height: calc(100vh - 102px);
    overflow: hidden;
    background: #fff;
}

/* Sidebar nav */
.sdk-sidebar {
    width: 220px;
    flex-shrink: 0;
    border-right: 1px solid var(--sdk-border);
    padding: 20px 0;
    overflow-y: auto;
}

/* Main scroll wrapper */
.sdk-main-scroll {
    flex: 1;
    overflow-y: auto;
    min-width: 0;
    background: #fff;
}
.sdk-sidebar::-webkit-scrollbar { width: 3px; }
.sdk-sidebar::-webkit-scrollbar-thumb { background: #ccc; border-radius: 2px; }
.sdk-sidebar-search { padding: 0 16px 12px; }
.sdk-sidebar-search input {
    width: 100%; padding: 6px 10px; border: 1px solid var(--sdk-border);
    border-radius: 4px; font-size: 0.82rem; outline: none; box-sizing: border-box;
}
.sdk-sidebar-search input:focus { border-color: var(--sdk-accent); }

.sdk-nav-category {
    font-size: 0.78rem; font-weight: 700; color: var(--sdk-text);
    padding: 10px 20px 4px; margin: 0;
    cursor: pointer; user-select: none; display: flex; align-items: center; gap: 4px;
}
.sdk-nav-category:hover { color: var(--sdk-primary, #2a5298); }
.sdk-nav-chevron { font-size: 0.7rem; width: 12px; flex-shrink: 0; }
.sdk-nav-toggles {
    display: flex; gap: 4px; padding: 0 12px 4px;
}
.sdk-nav-toggles button {
    flex: 1; padding: 3px 0; border: 1px solid #d0d5dd; border-radius: 4px;
    background: #fff; color: #666; font-size: 0.72rem; cursor: pointer;
}
.sdk-nav-toggles button:hover { background: #f0f2f5; color: #333; }
.sdk-nav-item {
    display: block; padding: 4px 20px 4px 28px;
    font-size: 0.82rem; color: var(--sdk-text-light);
    text-decoration: none; transition: all 0.12s;
    line-height: 1.7; cursor: pointer;
}
.sdk-nav-item:hover { color: var(--sdk-accent); background: #f5f7fa; }
.sdk-nav-item.active { color: var(--sdk-accent); font-weight: 600; }
.sdk-nav-items,
.docs-nav-group-body {
    margin: 0;
    padding: 0;
}
.sdk-nav-group { margin-bottom: 0; }

/* About page (no sidebar) */
.sdk-about-wrapper { max-width: 960px; margin: 0 auto; }

/* Main content */
.sdk-main-content {
    max-width: 960px;
    margin: 0 auto;
    padding: 32px 40px 64px;
    background: #fff;
}

/* ============================================================
   Typography (for sdk-main-content)
   ============================================================ */
.sdk-main-content h1 { font-size: 1.8rem; font-weight: 700; margin: 0 0 16px; color: var(--sdk-text); }
.sdk-main-content h2 { font-size: 1.3rem; font-weight: 700; margin: 32px 0 12px; color: var(--sdk-text); border-bottom: 1px solid var(--sdk-border); padding-bottom: 8px; }
.sdk-main-content h3 { font-size: 1.05rem; font-weight: 600; margin: 24px 0 8px; color: var(--sdk-text); }
.sdk-main-content h4 { font-size: 0.95rem; font-weight: 600; margin: 16px 0 6px; color: var(--sdk-text); }
.sdk-main-content p { font-size: 0.92rem; line-height: 1.7; color: var(--sdk-text); margin: 0 0 12px; }
.sdk-main-content hr { border: none; border-top: 1px solid var(--sdk-border); margin: 32px 0; }
.sdk-main-content a { color: var(--sdk-accent); text-decoration: none; }
.sdk-main-content a:hover { text-decoration: underline; }
.sdk-main-content ul, .sdk-main-content ol { font-size: 0.92rem; line-height: 1.8; padding-left: 24px; }
.sdk-main-content li { margin-bottom: 4px; }

/* === Sample list (A-style: category section list) === */
.sdk-sample-section { margin-bottom: 32px; }
.sdk-sample-section-title {
    font-size: 1.1rem; font-weight: 700; color: var(--sdk-text);
    padding-bottom: 8px; border-bottom: 2px solid var(--sdk-accent);
    margin-bottom: 0;
}
.sdk-sample-list { list-style: none; padding: 0; margin: 0; }
.sdk-sample-list li {
    display: flex; align-items: center; gap: 16px;
    padding: 12px 16px; border-bottom: 1px solid #f0f0f0;
    cursor: pointer; transition: background 0.15s;
}
.sdk-sample-list li:hover { background: var(--sdk-accent-bg); }
.sdk-sample-list .sample-title {
    font-size: 0.92rem; font-weight: 600; color: var(--sdk-accent);
    min-width: 180px; flex-shrink: 0;
}
.sdk-sample-list .sample-desc {
    font-size: 0.84rem; color: var(--sdk-text-light); flex: 1;
}
.sdk-sample-list .sample-arrow {
    color: #ccc; font-size: 1.1rem; flex-shrink: 0;
}

/* Inline code */
.sdk-main-content code:not(pre code) {
    background: #f0f0f0; padding: 1px 6px; border-radius: 3px;
    font-size: 0.85em; color: #d63384;
}

/* Code blocks */
.sdk-code-block {
    background: #282c34; color: #abb2bf;
    border-radius: 8px; padding: 16px 20px;
    margin: 12px 0 20px; overflow-x: auto;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.85rem; line-height: 1.6;
    position: relative;
    scrollbar-width: thin;
    scrollbar-color: #5f6773 #232831;
}
.sdk-code-block::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}
.sdk-code-block::-webkit-scrollbar-track {
    background: #232831;
    border-radius: 999px;
}
.sdk-code-block::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #687181 0%, #535b68 100%);
    border: 2px solid #232831;
    border-radius: 999px;
}
.sdk-code-block::-webkit-scrollbar-corner {
    background: #282c34;
}
.sdk-code-block .code-lang {
    position: absolute; top: 8px; right: 12px;
    font-size: 0.7rem; color: #666; text-transform: uppercase;
}
.code-copy-btn {
    position: absolute; top: 8px; right: 10px;
    background: rgba(255,255,255,0.1); border: none; color: #888;
    border-radius: 4px; padding: 4px 8px; cursor: pointer;
    font-size: 0.82rem; opacity: 0; transition: opacity 0.15s;
    z-index: 1;
}
.sdk-code-block:hover .code-copy-btn { opacity: 1; }
.code-copy-btn:hover { background: rgba(255,255,255,0.2); color: #ccc; }

/* Params table */
.sdk-param-table { width: 100%; border-collapse: collapse; margin: 12px 0 20px; font-size: 0.88rem; }
.sdk-param-table th { background: #f5f7fa; text-align: left; padding: 8px 12px; border: 1px solid var(--sdk-border); font-weight: 600; font-size: 0.82rem; }
.sdk-param-table td { padding: 8px 12px; border: 1px solid var(--sdk-border); vertical-align: top; }
.sdk-param-table td code { font-size: 0.82em; }

/* Info/Tip boxes */
.sdk-info-box {
    padding: 12px 16px; border-radius: 6px; margin: 16px 0;
    font-size: 0.88rem; line-height: 1.6;
}
.sdk-info-box.tip { background: #eef7ee; border-left: 4px solid #28a745; }
.sdk-info-box.warn { background: #fff8e6; border-left: 4px solid #ffc107; }
.sdk-info-box.info { background: var(--sdk-accent-bg); border-left: 4px solid var(--sdk-accent); }

/* === SDK Download Buttons === */
.sdk-download-btn {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 5px 14px; background: var(--sdk-accent); color: #fff !important;
    border-radius: 6px; text-decoration: none !important; font-size: 0.82rem; font-weight: 500;
    transition: background 0.2s;
}
.sdk-download-btn:hover { background: var(--sdk-accent-light); }
.sdk-download-btn-full {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 10px 24px; background: var(--sdk-dark); color: #fff !important;
    border-radius: 8px; text-decoration: none !important; font-size: 0.92rem; font-weight: 500;
    transition: background 0.2s;
}
.sdk-download-btn-full:hover { background: var(--sdk-accent); }

/* ============================================================
   About Page
   ============================================================ */
.sdk-about-hero {
    text-align: center; padding: 48px 0 32px;
}
.sdk-about-hero h1 { font-size: 2.2rem; margin-bottom: 12px; }
.sdk-about-hero p { font-size: 1.05rem; color: var(--sdk-text-light); max-width: 600px; margin: 0 auto 24px; }

.sdk-feature-grid {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 20px; margin: 24px 0 40px;
}
.sdk-feature-card {
    background: #fff; border: 1px solid var(--sdk-border); border-radius: 10px;
    padding: 24px 20px; text-align: center; transition: box-shadow 0.2s;
}
.sdk-feature-card:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.08); }
.sdk-feature-card i { font-size: 2rem; color: var(--sdk-accent); margin-bottom: 12px; display: block; }
.sdk-feature-card h3 { font-size: 1rem; margin: 0 0 8px; }
.sdk-feature-card p { font-size: 0.85rem; color: var(--sdk-text-light); margin: 0; }

.sdk-quick-links {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 16px; margin: 24px 0;
}
.sdk-quick-link {
    display: flex; align-items: center; gap: 12px;
    padding: 16px; background: #fff; border: 1px solid var(--sdk-border);
    border-radius: 8px; text-decoration: none; color: var(--sdk-text);
    transition: all 0.15s;
}
.sdk-quick-link:hover { border-color: var(--sdk-accent); color: var(--sdk-accent); text-decoration: none; }
.sdk-quick-link i { font-size: 1.5rem; color: var(--sdk-accent); }
.sdk-quick-link div { font-size: 0.88rem; font-weight: 600; }
.sdk-quick-link span { font-size: 0.78rem; color: var(--sdk-text-light); font-weight: 400; display: block; margin-top: 2px; }

/* ============================================================
   Sample Grid
   ============================================================ */
.sdk-sample-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px; margin: 20px 0;
}
.sdk-sample-card {
    border: 1px solid var(--sdk-border); border-radius: 10px;
    overflow: hidden; cursor: pointer; transition: all 0.2s;
    background: #fff;
}
.sdk-sample-card:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.1); transform: translateY(-2px); }
.sdk-sample-card .card-preview {
    height: 120px; background: #f5f7fa; display: flex; align-items: center; justify-content: center;
    border-bottom: 1px solid var(--sdk-border); overflow: hidden;
    padding: 12px;
}
.sdk-sample-card .card-preview pre {
    font-size: 0.65rem; color: #888; margin: 0; line-height: 1.4;
    text-align: left; max-height: 100%; overflow: hidden;
    font-family: 'Consolas', monospace;
}
.sdk-sample-card .card-body { padding: 14px 16px; }
.sdk-sample-card .card-body h4 { font-size: 0.92rem; margin: 0 0 4px; color: var(--sdk-accent); }
.sdk-sample-card .card-body p { font-size: 0.78rem; color: var(--sdk-text-light); margin: 0; }

/* Sample Detail View */
/* .sdk-sample-detail visibility controlled by inline style */
.sdk-sample-back {
    display: inline-flex; align-items: center; gap: 4px;
    font-size: 0.88rem; color: var(--sdk-text-light); margin-bottom: 16px;
    cursor: pointer; text-decoration: none;
}
.sdk-sample-back:hover { color: var(--sdk-accent); }

/* Code tabs */
.sdk-code-tabs { display: flex; gap: 0; margin-bottom: 0; align-items: center; }
.sdk-code-tab {
    padding: 8px 20px; font-size: 0.82rem;
    background: #f5f5f5; border: 1px solid var(--sdk-border);
    border-bottom: none; cursor: pointer; color: var(--sdk-text-light);
    border-radius: 6px 6px 0 0; margin-right: -1px;
}
.sdk-code-tab.active { background: #282c34; color: #fff; border-color: #282c34; }
.sdk-code-tab-content { display: none; }
.sdk-code-tab-content.active { display: block; }
.sdk-code-tab-content .sdk-code-block { margin-top: 0; border-radius: 0 8px 8px 8px; }

.sdk-try-btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 6px 18px; background: var(--sdk-accent); color: #fff;
    border: none; border-radius: 6px; font-size: 0.85rem;
    cursor: pointer; transition: background 0.15s;
    margin-left: auto; font-family: inherit;
}
.sdk-try-btn:hover { background: var(--sdk-accent-light); }

/* ============================================================
   Docs Page
   ============================================================ */
.sdk-docs-class {
    color: var(--sdk-accent); font-size: 1.2rem; font-weight: 700;
    margin-bottom: 4px;
}
.sdk-docs-badge {
    display: inline-block; padding: 2px 8px; border-radius: 4px;
    font-size: 0.72rem; font-weight: 600; margin-right: 6px;
}
.sdk-docs-badge.method { background: #e8f5e9; color: #2e7d32; }
.sdk-docs-badge.param { background: #fff3e0; color: #e65100; }
.sdk-docs-badge.returns { background: #e3f2fd; color: #1565c0; }
.sdk-method-sig {
    font-family: 'Consolas', monospace; font-size: 1rem;
    background: #f8f9fa; padding: 12px 16px; border-radius: 6px;
    border-left: 4px solid var(--sdk-accent); margin: 12px 0;
    color: var(--sdk-text);
}
.sdk-method-sig .method-name { color: var(--sdk-accent); font-weight: 700; }
.sdk-method-sig .method-param { color: #d63384; }
.sdk-doc-method-card {
    background: #fff;
    border: 1px solid var(--sdk-border);
    border-radius: 12px;
    padding: 20px 22px;
    margin: 18px 0 24px;
    box-shadow: 0 6px 18px rgba(30, 60, 114, 0.06);
}
.sdk-doc-method-card h3 {
    margin-top: 0;
    font-size: 1.3rem;
    font-weight: 800;
    color: #1f2937;
}
.sdk-doc-method-card > *:last-child {
    margin-bottom: 0;
}
.sdk-response-box {
    background: #f8fafc;
    border: 1px solid #dbe3ee;
    border-radius: 10px;
    padding: 14px 16px;
    margin: 14px 0 0;
}
.sdk-response-box h4 {
    margin: 0 0 8px;
}
.sdk-response-box .sdk-code-block {
    margin-bottom: 0;
}

/* ============================================================
   Playground Modal
   ============================================================ */
.sdk-playground-overlay {
    display: none; position: fixed; inset: 0;
    background: rgba(0,0,0,0.5); z-index: 10000;
    align-items: center; justify-content: center;
}
.sdk-playground-overlay.active { display: flex; }
.sdk-playground-overlay > :not(.pg-backdrop) {
    /* nothing - children styled individually */
}
.sdk-playground-inner {
    display: flex; flex-direction: column;
    width: 90vw; max-width: 1200px;
    height: 80vh;
    border-radius: 10px; overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
    min-width: 480px; min-height: 320px;
    position: relative;
}
.sdk-playground-inner .pg-resize-handle {
    position: absolute; z-index: 10;
}
.sdk-playground-inner .pg-resize-handle.pg-resize-e {
    right: 0; top: 0; bottom: 0; width: 6px; cursor: ew-resize;
}
.sdk-playground-inner .pg-resize-handle.pg-resize-s {
    bottom: 0; left: 0; right: 0; height: 6px; cursor: ns-resize;
}
.sdk-playground-inner .pg-resize-handle.pg-resize-se {
    right: 0; bottom: 0; width: 16px; height: 16px; cursor: nwse-resize;
}
.sdk-playground-inner .pg-resize-handle.pg-resize-w {
    left: 0; top: 0; bottom: 0; width: 6px; cursor: ew-resize;
}
.sdk-playground-inner .pg-resize-handle.pg-resize-n {
    top: 0; left: 0; right: 0; height: 6px; cursor: ns-resize;
}
.sdk-playground-header {
    background: #333; color: #fff; padding: 0 12px;
    display: flex; align-items: center; height: 44px;
    gap: 8px; flex-shrink: 0;
    border-radius: 10px 10px 0 0;
    cursor: move;
}
.sdk-playground-header .pg-tabs { display: flex; gap: 0; }
.sdk-playground-header .pg-tab {
    padding: 10px 24px; font-size: 0.88rem; cursor: pointer;
    background: transparent; color: #999; border: none;
    border-bottom: 3px solid transparent; font-weight: 500;
    font-family: inherit; transition: color 0.15s;
}
.sdk-playground-header .pg-tab:hover { color: #ccc; }
.sdk-playground-header .pg-tab.active { color: #fff; border-bottom-color: var(--sdk-accent); background: rgba(255,255,255,0.05); }
.sdk-playground-header .pg-close {
    background: none; border: none; color: #aaa; font-size: 1.3rem;
    cursor: pointer; padding: 4px 8px;
}
.sdk-playground-header .pg-close:hover { color: #fff; }

.sdk-playground-toolbar {
    background: #2a2a2a; padding: 6px 16px;
    display: flex; align-items: center; gap: 12px;
    border-bottom: 1px solid #444; flex-shrink: 0;
}
.sdk-playground-toolbar button {
    padding: 4px 14px; font-size: 0.82rem; border: none; border-radius: 4px;
    cursor: pointer; background: var(--sdk-accent); color: #fff;
}
.sdk-playground-toolbar button:hover { background: var(--sdk-accent-light); }
.sdk-playground-toolbar .pg-auto-label {
    font-size: 0.8rem; color: #aaa; display: flex; align-items: center; gap: 4px;
}
.sdk-playground-toolbar .pg-reset {
    margin-left: auto; background: #555; color: #ccc;
}
.sdk-playground-toolbar .pg-reset:hover { background: #666; color: #fff; }

.sdk-playground-body {
    flex: 1; display: flex; overflow: hidden;
}
.sdk-playground-editor {
    flex: 1; display: flex; flex-direction: column;
    border-right: 3px solid #444;
}
.sdk-playground-editor .pg-editor-label {
    background: #2a2a2a; color: #888; font-size: 0.75rem;
    padding: 4px 12px; border-bottom: 1px solid #444;
}
.sdk-playground-editor .pg-editor-wrap {
    flex: 1; position: relative; overflow: hidden;
}
.sdk-playground-editor .pg-highlight {
    position: absolute; inset: 0; margin: 0;
    padding: 16px; font-family: 'Consolas', monospace;
    font-size: 0.88rem; line-height: 1.6; tab-size: 2;
    background: #1e1e1e; color: #d4d4d4;
    overflow: auto; white-space: pre-wrap; word-wrap: break-word;
    pointer-events: none;
}
.sdk-playground-editor .pg-highlight code,
.sdk-playground-editor .pg-highlight code.hljs {
    font-family: inherit; font-size: inherit; line-height: inherit;
    background: transparent !important; padding: 0 !important;
    display: block;
}
.sdk-playground-editor textarea {
    position: absolute; inset: 0; width: 100%; height: 100%;
    background: transparent; color: transparent;
    -webkit-text-fill-color: transparent;
    caret-color: #d4d4d4;
    border: none; padding: 16px; font-family: 'Consolas', monospace;
    font-size: 0.88rem; line-height: 1.6; resize: none; outline: none;
    tab-size: 2; z-index: 1;
    white-space: pre-wrap; word-wrap: break-word;
    overflow: auto;
}
.sdk-playground-editor textarea::selection {
    background: rgba(255,255,255,0.15); color: transparent; -webkit-text-fill-color: transparent;
}
.sdk-playground-editor textarea::-moz-selection {
    background: rgba(255,255,255,0.15); color: transparent; -webkit-text-fill-color: transparent;
}
.sdk-playground-editor .pg-highlight,
.sdk-playground-editor textarea,
.sdk-playground-result .pg-result-output,
.sdk-sample-detail-desc pre,
#pg-highlight,
#pg-code,
#pg-output {
    scrollbar-width: thin;
    scrollbar-color: #5f6773 #232831;
}
.sdk-playground-editor .pg-highlight::-webkit-scrollbar,
.sdk-playground-editor textarea::-webkit-scrollbar,
.sdk-playground-result .pg-result-output::-webkit-scrollbar,
.sdk-sample-detail-desc pre::-webkit-scrollbar,
#pg-highlight::-webkit-scrollbar,
#pg-code::-webkit-scrollbar,
#pg-output::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}
.sdk-playground-editor .pg-highlight::-webkit-scrollbar-track,
.sdk-playground-editor textarea::-webkit-scrollbar-track,
.sdk-sample-detail-desc pre::-webkit-scrollbar-track,
#pg-highlight::-webkit-scrollbar-track,
#pg-code::-webkit-scrollbar-track {
    background: #232831;
    border-radius: 999px;
}
.sdk-playground-result .pg-result-output::-webkit-scrollbar-track,
#pg-output::-webkit-scrollbar-track {
    background: #e6eaf0;
    border-radius: 999px;
}
.sdk-playground-editor .pg-highlight::-webkit-scrollbar-thumb,
.sdk-playground-editor textarea::-webkit-scrollbar-thumb,
.sdk-sample-detail-desc pre::-webkit-scrollbar-thumb,
#pg-highlight::-webkit-scrollbar-thumb,
#pg-code::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #687181 0%, #535b68 100%);
    border: 2px solid #232831;
    border-radius: 999px;
}
.sdk-playground-result .pg-result-output::-webkit-scrollbar-thumb,
#pg-output::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #c1c9d5 0%, #9aa5b5 100%);
    border: 2px solid #e6eaf0;
    border-radius: 999px;
}
.sdk-playground-editor .pg-highlight::-webkit-scrollbar-corner,
.sdk-playground-editor textarea::-webkit-scrollbar-corner,
.sdk-sample-detail-desc pre::-webkit-scrollbar-corner,
#pg-highlight::-webkit-scrollbar-corner,
#pg-code::-webkit-scrollbar-corner {
    background: #1e1e1e;
}
.sdk-playground-result .pg-result-output::-webkit-scrollbar-corner,
#pg-output::-webkit-scrollbar-corner {
    background: #fff;
}

.sdk-playground-result {
    flex: 1; display: flex; flex-direction: column;
    min-width: 0; min-height: 0;
}
.sdk-playground-result .pg-result-label {
    background: #2a2a2a; color: #888; font-size: 0.75rem;
    padding: 4px 12px; border-bottom: 1px solid #444;
}
.sdk-playground-result .pg-result-output {
    flex: 1; background: #fff; padding: 16px; overflow: auto;
    font-family: 'Consolas', monospace; font-size: 0.85rem;
    line-height: 1.5; white-space: pre-wrap;
    min-height: 0;
}
.sdk-playground-result iframe {
    flex: 1 1 auto;
    width: 100%;
    height: 100%;
    min-width: 0;
    min-height: 0;
    border: none;
    background: #fff;
}
.sdk-playground-result .pg-result-output .pg-log { color: #333; margin-bottom: 4px; }
.sdk-playground-result .pg-result-output .pg-error { color: #e53935; }
.sdk-playground-result .pg-result-output .pg-info { color: var(--sdk-accent); }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
    .sdk-feature-grid { grid-template-columns: repeat(2, 1fr); }
    .sdk-quick-links { grid-template-columns: repeat(2, 1fr); }
    .sdk-main-content { padding: 24px 20px 48px; }
}
@media (max-width: 768px) {
    .sdk-sidebar { display: none; }
    .sdk-layout { height: auto; overflow: visible; }
    .sdk-main-scroll { overflow: visible; }
    .sdk-main-content { padding: 16px 12px 40px; }
    .sdk-feature-grid { grid-template-columns: 1fr; }
    .sdk-quick-links { grid-template-columns: 1fr; }
    .sdk-sample-grid { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
}

/* Sample detail description */
.sdk-sample-detail-desc {
    background: #f0f4ff; border: 1px solid #c5d5f0; border-radius: 8px;
    padding: 16px 20px; margin: 12px 0 16px; font-size: 0.88rem; line-height: 1.7; color: #333;
}
.sdk-sample-detail-desc h4 { margin: 12px 0 6px; font-size: 0.92rem; color: #1a3a6a; }
.sdk-sample-detail-desc h4:first-child { margin-top: 0; }
.sdk-sample-detail-desc code { background: #e2e8f4; padding: 1px 5px; border-radius: 3px; font-size: 0.84rem; color: #2a5298; }
.sdk-sample-detail-desc table { width: 100%; border-collapse: collapse; margin: 8px 0; font-size: 0.84rem; }
.sdk-sample-detail-desc th { background: #dde4f0; text-align: left; padding: 5px 8px; border: 1px solid #c5d5f0; }
.sdk-sample-detail-desc td { padding: 5px 8px; border: 1px solid #dde4f0; }
.sdk-sample-detail-desc ul { margin: 6px 0; padding-left: 20px; }
.sdk-sample-detail-desc li { margin: 3px 0; }
.sdk-sample-detail-desc pre {
    background: #2f343d;
    color: #f5f7fa;
    border-radius: 8px;
    padding: 12px 14px;
    margin: 8px 0 12px;
    overflow-x: auto;
    font-size: 0.82rem;
    line-height: 1.6;
    border: 1px solid #434a55;
}

/* highlight.js overrides for code blocks */
.sdk-code-block .hljs { background: transparent; padding: 0; }

/* ===== 변경 내역(Changelog) 페이지 ===== */
:root {
    --cl-added: #16a34a;
    --cl-changed: #d97706;
    --cl-fixed: #2563eb;
    --cl-removed: #dc2626;
}
.changelog-wrapper { max-width: 860px; }
.cl-release { padding: 20px 0 8px; border-bottom: 1px solid var(--sdk-border); }
.cl-release.cl-current { background: var(--sdk-accent-bg); padding: 16px 16px 8px; border-radius: 6px; }
.cl-release-head { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 6px; }
.cl-version { font-size: 1.4rem; font-weight: 700; color: var(--sdk-text); margin: 0; }
.cl-date { font-size: 0.85rem; color: var(--sdk-text-light); }
.cl-status { font-size: 0.75rem; color: var(--sdk-text-light); background: var(--sdk-bg); border: 1px solid var(--sdk-border); padding: 2px 10px; border-radius: 12px; }
.cl-category { margin: 12px 0; padding-left: 12px; border-left: 3px solid var(--sdk-border); }
.cl-category-title { font-size: 0.85rem; font-weight: 700; margin: 0 0 4px; text-transform: uppercase; letter-spacing: 0.02em; }
.cl-category.cl-added { border-left-color: var(--cl-added); }
.cl-category.cl-added .cl-category-title { color: var(--cl-added); }
.cl-category.cl-changed { border-left-color: var(--cl-changed); }
.cl-category.cl-changed .cl-category-title { color: var(--cl-changed); }
.cl-category.cl-fixed { border-left-color: var(--cl-fixed); }
.cl-category.cl-fixed .cl-category-title { color: var(--cl-fixed); }
.cl-category.cl-removed { border-left-color: var(--cl-removed); }
.cl-category.cl-removed .cl-category-title { color: var(--cl-removed); }
.cl-list { margin: 0; padding-left: 20px; }
.cl-list li { font-size: 0.92rem; line-height: 1.7; color: var(--sdk-text); margin: 2px 0; }
.cl-summary { font-size: 0.92rem; color: var(--sdk-text-light); }