/* ═══════════════════════════════════════════════════════════════════════════════
   LSAI Documentation — Design System
   Matches LSAI Studio dark theme: #0a0a12 bg, #6366f1 primary, Inter font
   ═══════════════════════════════════════════════════════════════════════════════ */

:root {
    --docs-bg:         #0a0a12;
    --docs-surface:    #12121e;
    --docs-surface-hl: #1a1a2e;
    --docs-border:     rgba(255,255,255,0.06);
    --docs-text:       #e2e8f0;
    --docs-text-muted: #64748b;
    --docs-text-dim:   #475569;
    --docs-primary:    #6366f1;
    --docs-primary-hl: #818cf8;
    --docs-accent:     #22d3ee;
    --docs-code-bg:    #0d0d1a;
    --docs-green:      #34d399;
    --docs-amber:      #fbbf24;
    --docs-red:        #f87171;
    --sidebar-w:       280px;
    --topbar-h:        52px;
    --toc-w:           220px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--docs-bg);
    color: var(--docs-text);
    line-height: 1.7;
    font-size: 15px;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

::selection { background: var(--docs-primary); color: #fff; }

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.15); }

/* ─── Topbar ──────────────────────────────────────────────────────────────── */
#docs-topbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    height: var(--topbar-h);
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 20px;
    background: rgba(10, 10, 18, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--docs-border);
}
.topbar-left { display: flex; align-items: center; }
.topbar-brand {
    display: flex; align-items: center; gap: 10px;
    text-decoration: none; color: var(--docs-text);
}
.brand-icon {
    width: 28px; height: 28px; border-radius: 8px;
    background: linear-gradient(135deg, var(--docs-primary), #8b5cf6);
    display: flex; align-items: center; justify-content: center;
    font-size: 13px; color: #fff;
}
.brand-text { font-weight: 800; font-size: 16px; letter-spacing: -0.5px; }
.brand-badge {
    font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px;
    padding: 2px 8px; border-radius: 6px;
    background: var(--docs-primary); color: #fff;
}

.topbar-center { flex: 1; max-width: 480px; margin: 0 24px; }
#search-trigger {
    width: 100%; display: flex; align-items: center; gap: 10px;
    padding: 7px 14px; border-radius: 10px;
    background: var(--docs-surface); border: 1px solid var(--docs-border);
    color: var(--docs-text-muted); font-size: 13px; cursor: pointer;
    transition: all 0.2s;
}
#search-trigger:hover { border-color: var(--docs-primary); color: var(--docs-text); }
#search-trigger span { flex: 1; text-align: left; }
#search-trigger kbd {
    font-size: 10px; font-family: 'Inter', sans-serif; font-weight: 600;
    padding: 2px 6px; border-radius: 4px;
    background: rgba(255,255,255,0.06); border: 1px solid var(--docs-border);
    color: var(--docs-text-dim);
}

.topbar-right { display: flex; align-items: center; gap: 8px; }
.topbar-link {
    font-size: 12px; font-weight: 500; text-decoration: none;
    color: var(--docs-text-muted); padding: 6px 12px; border-radius: 8px;
    display: flex; align-items: center; gap: 6px;
    transition: all 0.15s;
}
.topbar-link:hover { color: var(--docs-text); background: var(--docs-surface-hl); }
.topbar-link.cta {
    background: var(--docs-primary); color: #fff; font-weight: 600;
}
.topbar-link.cta:hover { background: var(--docs-primary-hl); }

/* ─── Layout ──────────────────────────────────────────────────────────────── */
#docs-layout {
    display: flex; margin-top: var(--topbar-h);
    min-height: calc(100vh - var(--topbar-h));
}

#sidebar-toggle {
    display: none; position: fixed; bottom: 20px; left: 20px; z-index: 200;
    width: 44px; height: 44px; border-radius: 12px; border: none;
    background: var(--docs-primary); color: #fff; font-size: 18px; cursor: pointer;
    box-shadow: 0 4px 20px rgba(99,102,241,0.4);
}

/* ─── Sidebar ─────────────────────────────────────────────────────────────── */
#docs-sidebar {
    position: fixed; top: var(--topbar-h); left: 0; bottom: 0;
    width: var(--sidebar-w); overflow-y: auto;
    background: rgba(12, 12, 20, 0.7);
    backdrop-filter: blur(12px);
    border-right: 1px solid var(--docs-border);
    padding: 16px 12px 40px;
    z-index: 50;
}

.nav-group { margin-bottom: 20px; }
.nav-group-title {
    font-size: 10px; font-weight: 700; text-transform: uppercase;
    letter-spacing: 1.5px; color: var(--docs-text-dim);
    padding: 6px 12px; margin-bottom: 4px;
}
.nav-link {
    display: flex; align-items: center; gap: 8px;
    padding: 6px 12px; border-radius: 8px; cursor: pointer;
    font-size: 13px; font-weight: 500; color: var(--docs-text-muted);
    text-decoration: none; transition: all 0.15s;
    border-left: 2px solid transparent; margin-left: 2px;
}
.nav-link:hover { color: var(--docs-text); background: var(--docs-surface-hl); }
.nav-link.active {
    color: var(--docs-primary-hl); background: rgba(99,102,241,0.08);
    border-left-color: var(--docs-primary); font-weight: 600;
}
.nav-link i { width: 16px; text-align: center; font-size: 11px; opacity: 0.7; }
.nav-link.active i { opacity: 1; }

/* ─── Main Content ────────────────────────────────────────────────────────── */
#docs-content {
    flex: 1; margin-left: var(--sidebar-w);
    max-width: 820px; padding: 40px 48px 80px;
    min-height: calc(100vh - var(--topbar-h));
}

/* ─── On-page TOC ─────────────────────────────────────────────────────────── */
#docs-toc {
    position: fixed; top: calc(var(--topbar-h) + 40px);
    right: 24px; width: var(--toc-w);
}
.toc-title {
    font-size: 10px; font-weight: 700; text-transform: uppercase;
    letter-spacing: 1.5px; color: var(--docs-text-dim);
    padding-bottom: 8px; border-bottom: 1px solid var(--docs-border);
    margin-bottom: 8px;
}
#toc-nav a {
    display: block; padding: 4px 0 4px 12px;
    font-size: 12px; color: var(--docs-text-muted); text-decoration: none;
    border-left: 1px solid var(--docs-border); transition: all 0.15s;
}
#toc-nav a:hover { color: var(--docs-text); border-left-color: var(--docs-text-muted); }
#toc-nav a.active { color: var(--docs-primary-hl); border-left-color: var(--docs-primary); font-weight: 500; }

/* ─── Article Typography ──────────────────────────────────────────────────── */
#docs-article h1 {
    font-size: 32px; font-weight: 800; letter-spacing: -0.5px;
    margin-bottom: 8px;
    background: linear-gradient(135deg, var(--docs-text), var(--docs-primary-hl));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.article-desc {
    font-size: 17px; color: var(--docs-text-muted); margin-bottom: 32px;
    line-height: 1.6;
}

#docs-article h2 {
    font-size: 22px; font-weight: 700; letter-spacing: -0.3px;
    margin: 40px 0 16px; padding-bottom: 8px;
    border-bottom: 1px solid var(--docs-border);
    color: var(--docs-text);
}
#docs-article h2 .anchor-link {
    opacity: 0; margin-left: 8px; color: var(--docs-primary);
    font-size: 16px; text-decoration: none; transition: opacity 0.2s;
}
#docs-article h2:hover .anchor-link { opacity: 0.6; }

#docs-article h3 {
    font-size: 17px; font-weight: 700; margin: 28px 0 12px;
    color: var(--docs-text);
}

#docs-article p { margin-bottom: 16px; color: var(--docs-text); }

#docs-article a {
    color: var(--docs-primary-hl); text-decoration: none;
    border-bottom: 1px solid transparent; transition: border-color 0.2s;
}
#docs-article a:hover { border-bottom-color: var(--docs-primary-hl); }

#docs-article ul, #docs-article ol {
    margin: 0 0 16px 20px; padding: 0;
}
#docs-article li { margin-bottom: 6px; color: var(--docs-text); }
#docs-article li::marker { color: var(--docs-primary); }

#docs-article strong { font-weight: 700; color: #fff; }

/* Inline code */
#docs-article code:not(.code-block-code) {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 13px; padding: 2px 7px; border-radius: 5px;
    background: rgba(99,102,241,0.1); border: 1px solid rgba(99,102,241,0.15);
    color: var(--docs-primary-hl);
}

/* Raw pre/code blocks (used in content HTML like API reference) */
#docs-article pre {
    background: var(--docs-code-bg);
    border: 1px solid var(--docs-border);
    border-radius: 10px;
    padding: 16px 18px;
    margin: 12px 0 20px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    max-width: 100%;
}
#docs-article pre code {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 13px;
    line-height: 1.65;
    color: var(--docs-text);
    background: none;
    border: none;
    padding: 0;
    white-space: pre;
    word-break: normal;
    overflow-wrap: normal;
}
/* Consecutive pre blocks (e.g. request → response) — tighten gap */
#docs-article pre + pre {
    margin-top: -8px;
}
/* Reset when pre is inside the rich .code-block wrapper (those have their own styles) */
.code-block pre {
    background: none !important;
    border: none !important;
    border-radius: 0 !important;
    padding: 0 !important;
    margin: 0 !important;
}

/* Code blocks (rich rendered blocks with header + copy button) */
.code-block {
    margin: 16px 0 24px; border-radius: 12px; overflow: hidden;
    border: 1px solid var(--docs-border);
    background: var(--docs-code-bg);
}
.code-block-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 8px 14px; background: rgba(255,255,255,0.02);
    border-bottom: 1px solid var(--docs-border);
}
.code-block-lang {
    font-size: 10px; font-weight: 700; text-transform: uppercase;
    letter-spacing: 1px; color: var(--docs-primary);
    display: flex; align-items: center; gap: 6px;
}
.code-block-lang i { font-size: 9px; }
.code-block-copy {
    font-size: 11px; color: var(--docs-text-muted); cursor: pointer;
    background: none; border: none; padding: 3px 8px; border-radius: 4px;
    display: flex; align-items: center; gap: 4px; transition: all 0.15s;
}
.code-block-copy:hover { color: var(--docs-text); background: var(--docs-surface-hl); }
.code-block-body {
    padding: 16px 18px; overflow-x: auto;
}
.code-block-body pre {
    margin: 0; font-family: 'JetBrains Mono', monospace;
    font-size: 13px; line-height: 1.6; color: var(--docs-text);
}

/* Callout boxes */
.callout {
    margin: 20px 0; padding: 14px 18px; border-radius: 10px;
    border-left: 3px solid; display: flex; gap: 12px;
    font-size: 14px;
}
.callout-icon { font-size: 14px; margin-top: 2px; flex-shrink: 0; }
.callout-body { flex: 1; }
.callout-body p { margin: 0; }
.callout-body strong { display: block; margin-bottom: 4px; }

.callout.tip    { background: rgba(52,211,153,0.06); border-color: var(--docs-green); }
.callout.tip    .callout-icon { color: var(--docs-green); }
.callout.note   { background: rgba(99,102,241,0.06); border-color: var(--docs-primary); }
.callout.note   .callout-icon { color: var(--docs-primary); }
.callout.warn   { background: rgba(251,191,36,0.06); border-color: var(--docs-amber); }
.callout.warn   .callout-icon { color: var(--docs-amber); }
.callout.danger { background: rgba(248,113,113,0.06); border-color: var(--docs-red); }
.callout.danger .callout-icon { color: var(--docs-red); }

/* Tables */
#docs-article table {
    width: 100%; border-collapse: collapse; margin: 16px 0 24px;
    font-size: 13px;
}
#docs-article th {
    text-align: left; padding: 10px 14px; font-weight: 700; font-size: 11px;
    text-transform: uppercase; letter-spacing: 0.5px;
    background: var(--docs-surface); color: var(--docs-text-muted);
    border-bottom: 1px solid var(--docs-border);
}
#docs-article td {
    padding: 10px 14px; border-bottom: 1px solid var(--docs-border);
    color: var(--docs-text);
}
#docs-article tr:hover td { background: rgba(255,255,255,0.01); }

/* Feature cards */
.feature-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 16px; margin: 20px 0;
}
.feature-card {
    padding: 20px; border-radius: 12px;
    background: var(--docs-surface); border: 1px solid var(--docs-border);
    transition: all 0.2s; cursor: default;
}
.feature-card:hover { border-color: var(--docs-primary); transform: translateY(-2px); }
.feature-card-icon {
    width: 36px; height: 36px; border-radius: 10px;
    background: rgba(99,102,241,0.1);
    display: flex; align-items: center; justify-content: center;
    font-size: 15px; color: var(--docs-primary); margin-bottom: 12px;
}
.feature-card h4 { font-size: 14px; font-weight: 700; margin-bottom: 6px; }
.feature-card p { font-size: 12px; color: var(--docs-text-muted); margin: 0; line-height: 1.5; }

/* Steps */
.steps { counter-reset: step; margin: 16px 0 24px; }
.step {
    display: flex; gap: 16px; padding: 16px 0;
    border-bottom: 1px solid var(--docs-border);
    counter-increment: step;
}
.step:last-child { border-bottom: none; }
.step::before {
    content: counter(step);
    width: 32px; height: 32px; border-radius: 50%; flex-shrink: 0;
    background: rgba(99,102,241,0.12); color: var(--docs-primary);
    display: flex; align-items: center; justify-content: center;
    font-size: 13px; font-weight: 800;
}
.step-body h4 { font-size: 15px; font-weight: 700; margin-bottom: 6px; }
.step-body p { font-size: 14px; color: var(--docs-text-muted); margin: 0; }

/* FAQ accordion */
.faq-item { border-bottom: 1px solid var(--docs-border); }
.faq-q {
    display: flex; align-items: center; gap: 12px;
    padding: 14px 0; cursor: pointer; font-weight: 600; font-size: 14px;
    color: var(--docs-text); transition: color 0.15s; width: 100%;
    background: none; border: none; text-align: left;
}
.faq-q:hover { color: var(--docs-primary-hl); }
.faq-q i { font-size: 10px; color: var(--docs-text-muted); transition: transform 0.2s; width: 14px; }
.faq-item.open .faq-q i { transform: rotate(90deg); color: var(--docs-primary); }
.faq-a {
    max-height: 0; overflow: hidden; transition: max-height 0.3s ease;
    padding: 0 0 0 26px;
}
.faq-item.open .faq-a { max-height: 500px; padding-bottom: 14px; }
.faq-a p { font-size: 14px; color: var(--docs-text-muted); margin: 0; }

/* ─── Prev / Next Nav ─────────────────────────────────────────────────────── */
#docs-prev-next {
    display: flex; gap: 16px; margin: 48px 0 24px;
    padding-top: 24px; border-top: 1px solid var(--docs-border);
}
.prev-next-link {
    flex: 1; padding: 16px 20px; border-radius: 12px;
    background: var(--docs-surface); border: 1px solid var(--docs-border);
    text-decoration: none; transition: all 0.2s;
    display: flex; flex-direction: column;
}
.prev-next-link:hover { border-color: var(--docs-primary); transform: translateY(-1px); }
.prev-next-link .pn-label {
    font-size: 10px; font-weight: 700; text-transform: uppercase;
    letter-spacing: 1px; color: var(--docs-text-dim); margin-bottom: 4px;
}
.prev-next-link .pn-title {
    font-size: 14px; font-weight: 600; color: var(--docs-primary-hl);
}
.prev-next-link.next { text-align: right; }

/* ─── Footer ──────────────────────────────────────────────────────────────── */
.footer-brand {
    text-align: center; font-size: 11px; color: var(--docs-text-dim);
    padding: 20px 0 0;
}

/* ─── Search Modal ────────────────────────────────────────────────────────── */
.modal-overlay {
    display: none; position: fixed; inset: 0; z-index: 1000;
    background: rgba(0,0,0,0.6); backdrop-filter: blur(4px);
    align-items: flex-start; justify-content: center; padding-top: 15vh;
}
.modal-overlay.open { display: flex; }
.search-dialog {
    width: 560px; max-width: 90vw; border-radius: 16px;
    background: var(--docs-surface); border: 1px solid var(--docs-border);
    box-shadow: 0 25px 80px rgba(0,0,0,0.5);
    overflow: hidden;
}
.search-input-wrap {
    display: flex; align-items: center; gap: 12px;
    padding: 14px 18px; border-bottom: 1px solid var(--docs-border);
}
.search-input-wrap i { color: var(--docs-text-muted); font-size: 14px; }
.search-input-wrap input {
    flex: 1; background: none; border: none; outline: none;
    font-size: 15px; color: var(--docs-text); font-family: 'Inter', sans-serif;
}
.search-input-wrap input::placeholder { color: var(--docs-text-dim); }
.search-input-wrap kbd {
    font-size: 10px; padding: 2px 6px; border-radius: 4px;
    background: rgba(255,255,255,0.06); border: 1px solid var(--docs-border);
    color: var(--docs-text-dim); cursor: pointer;
}
.search-results { max-height: 400px; overflow-y: auto; }
.search-result {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 18px; cursor: pointer; transition: background 0.1s;
    border-bottom: 1px solid rgba(255,255,255,0.02);
}
.search-result:hover { background: var(--docs-surface-hl); }
.search-result i { color: var(--docs-text-muted); font-size: 12px; width: 20px; text-align: center; }
.search-result-text { flex: 1; }
.search-result-title { font-size: 13px; font-weight: 600; color: var(--docs-text); }
.search-result-section { font-size: 11px; color: var(--docs-text-muted); }
.search-empty {
    padding: 40px 18px; text-align: center; color: var(--docs-text-dim); font-size: 13px;
}

/* ─── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 1280px) {
    #docs-toc { display: none; }
    #docs-content { max-width: none; }
}

@media (max-width: 900px) {
    #docs-sidebar {
        transform: translateX(-100%); transition: transform 0.3s ease;
        width: 280px;
    }
    #docs-sidebar.open { transform: translateX(0); }
    #docs-content { margin-left: 0; padding: 28px 20px 60px; }
    #sidebar-toggle { display: flex; align-items: center; justify-content: center; }
    .topbar-right { display: none; }
    .topbar-center { margin: 0 12px; }
    #docs-prev-next { flex-direction: column; }
}

@media (max-width: 600px) {
    #docs-article h1 { font-size: 24px; }
    .article-desc { font-size: 15px; }
    .feature-grid { grid-template-columns: 1fr; }
}

/* ─── Keyboard Shortcut Keys ─────────────────────────────────────────────── */
#docs-article kbd {
    display: inline-block;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 12px; font-weight: 600;
    padding: 2px 7px; border-radius: 5px; min-width: 20px; text-align: center;
    background: var(--docs-surface-hl); border: 1px solid var(--docs-border);
    color: var(--docs-text); box-shadow: 0 1px 0 rgba(255,255,255,0.05);
    vertical-align: middle;
}

/* ─── Sub-headings inside sections ────────────────────────────────────────── */
#docs-article h4 {
    font-size: 15px; font-weight: 700; margin: 20px 0 10px;
    color: var(--docs-text);
}

/* ─── Article entrance animation ─────────────────────────────────────────── */
@keyframes docs-fade-in {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}
#docs-article { animation: docs-fade-in 0.35s ease-out; }

/* ─── Image Slider ────────────────────────────────────────────────────────── */
.doc-slider {
    position: relative; margin: 24px 0; border-radius: 12px;
    overflow: hidden; background: var(--docs-code-bg);
    border: 1px solid var(--docs-border);
}
.slider-track { position: relative; width: 100%; }
.slider-slide {
    display: none; width: 100%;
    flex-direction: column; align-items: center; justify-content: center;
}
.slider-slide.active { display: flex; animation: slider-fade 0.3s ease; }
.slider-slide img { width: 100%; height: auto; object-fit: contain; cursor: zoom-in; display: block; }
@keyframes slider-fade { from { opacity: 0; } to { opacity: 1; } }
.slider-caption {
    position: absolute; bottom: 0; left: 0; right: 0;
    background: rgba(0,0,0,0.7); backdrop-filter: blur(4px);
    color: var(--docs-text); padding: 8px 16px 28px 16px;
    font-size: 13px; text-align: center;
}
.slider-prev, .slider-next {
    position: absolute; top: 50%; transform: translateY(-50%);
    background: rgba(0,0,0,0.5); color: #fff; border: none;
    width: 36px; height: 36px; border-radius: 50%;
    cursor: pointer; display: flex; align-items: center; justify-content: center;
    transition: background 0.2s; z-index: 10;
}
.slider-prev:hover, .slider-next:hover { background: var(--docs-primary); }
.slider-prev { left: 16px; }
.slider-next { right: 16px; }
.slider-dots {
    position: absolute; bottom: 8px; left: 0; right: 0;
    display: flex; justify-content: center; gap: 8px; z-index: 10;
}
.slider-dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: rgba(255,255,255,0.3); border: none; cursor: pointer;
    transition: background 0.2s;
}
.slider-dot.active { background: var(--docs-primary); }
.slider-dot:hover { background: rgba(255,255,255,0.6); }

/* Zoom modal */
.zoom-modal {
    display: none; position: fixed; inset: 0; z-index: 2000;
    background: rgba(0,0,0,0.9); backdrop-filter: blur(8px);
    align-items: center; justify-content: center; cursor: zoom-out;
}
.zoom-modal.open { display: flex; }
.zoom-modal img { max-width: 95vw; max-height: 95vh; object-fit: contain; }

/* ═══════════════════════════════════════════════════════════════════════════════
   API Playground
   ═══════════════════════════════════════════════════════════════════════════════ */

#api-playground-root {
    position: relative;
}

/* ─── Preset bar ─────────────────────────────────────────────────────────── */
.pg-preset-bar {
    display: flex; align-items: center; gap: 12px; margin-bottom: 16px;
}
.pg-label {
    font-size: 12px; font-weight: 700; text-transform: uppercase;
    letter-spacing: 1px; color: var(--docs-text-dim); white-space: nowrap;
}
.pg-select {
    flex: 1; padding: 8px 12px; border-radius: 8px;
    background: var(--docs-surface); border: 1px solid var(--docs-border);
    color: var(--docs-text); font-size: 13px; font-family: 'Inter', sans-serif;
    cursor: pointer; outline: none;
}
.pg-select:focus { border-color: var(--docs-primary); }
.pg-select optgroup { color: var(--docs-text-muted); font-weight: 700; }
.pg-select option { color: var(--docs-text); background: var(--docs-surface); }

/* ─── URL bar ────────────────────────────────────────────────────────────── */
.pg-url-bar {
    display: flex; gap: 0; margin-bottom: 20px;
    border: 1px solid var(--docs-border); border-radius: 10px;
    overflow: hidden; background: var(--docs-surface);
    transition: border-color 0.2s;
}
.pg-url-bar:focus-within { border-color: var(--docs-primary); }

.pg-method-select {
    padding: 10px 14px; border: none; border-right: 1px solid var(--docs-border);
    background: rgba(99,102,241,0.08); color: var(--docs-primary-hl);
    font-size: 13px; font-weight: 800; font-family: 'JetBrains Mono', monospace;
    cursor: pointer; outline: none; min-width: 90px;
}
.pg-url-input {
    flex: 1; padding: 10px 14px; border: none; background: transparent;
    color: var(--docs-text); font-size: 13px; font-family: 'JetBrains Mono', monospace;
    outline: none;
}
.pg-url-input::placeholder { color: var(--docs-text-dim); }

.pg-send-btn {
    padding: 10px 20px; border: none; border-left: 1px solid var(--docs-border);
    background: var(--docs-primary); color: #fff; font-size: 13px; font-weight: 700;
    font-family: 'Inter', sans-serif; cursor: pointer; display: flex; align-items: center; gap: 8px;
    transition: background 0.2s;
}
.pg-send-btn:hover { background: var(--docs-primary-hl); }
.pg-send-btn:active { transform: scale(0.97); }

/* ─── Collapsible sections ───────────────────────────────────────────────── */
.pg-section {
    margin-bottom: 16px; border: 1px solid var(--docs-border);
    border-radius: 10px; overflow: hidden; background: var(--docs-surface);
}
.pg-section-header {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 16px; cursor: pointer; user-select: none;
    font-size: 13px; font-weight: 700; color: var(--docs-text);
    background: rgba(255,255,255,0.02); border-bottom: 1px solid var(--docs-border);
    transition: background 0.15s;
}
.pg-section-header:hover { background: rgba(255,255,255,0.04); }
.pg-chevron { font-size: 10px; color: var(--docs-text-muted); transition: transform 0.2s; }
.pg-section.collapsed .pg-chevron { transform: rotate(-90deg); }
.pg-section.collapsed .pg-section-body { display: none; }
.pg-section-body { padding: 12px 16px; }

.pg-badge {
    margin-left: auto; padding: 1px 8px; border-radius: 10px;
    font-size: 10px; font-weight: 700;
    background: rgba(99,102,241,0.15); color: var(--docs-primary-hl);
}

/* ─── Key/Value rows (headers, form fields) ──────────────────────────────── */
.pg-kv-list { display: flex; flex-direction: column; gap: 6px; }
.pg-kv-row {
    display: flex; align-items: center; gap: 8px;
}
.pg-kv-check { accent-color: var(--docs-primary); cursor: pointer; }
.pg-kv-key, .pg-kv-value {
    flex: 1; padding: 7px 10px; border-radius: 6px;
    background: var(--docs-code-bg); border: 1px solid var(--docs-border);
    color: var(--docs-text); font-size: 12px; font-family: 'JetBrains Mono', monospace;
    outline: none; transition: border-color 0.15s;
}
.pg-kv-key:focus, .pg-kv-value:focus { border-color: var(--docs-primary); }
.pg-kv-key::placeholder, .pg-kv-value::placeholder { color: var(--docs-text-dim); }
.pg-kv-remove {
    width: 28px; height: 28px; border-radius: 6px; border: none;
    background: transparent; color: var(--docs-text-dim); cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: all 0.15s; font-size: 11px;
}
.pg-kv-remove:hover { background: rgba(248,113,113,0.12); color: var(--docs-red); }

.pg-add-row {
    margin-top: 8px; padding: 6px 14px; border-radius: 6px;
    border: 1px dashed var(--docs-border); background: transparent;
    color: var(--docs-text-muted); font-size: 12px; cursor: pointer;
    display: flex; align-items: center; gap: 6px; transition: all 0.15s;
}
.pg-add-row:hover { border-color: var(--docs-primary); color: var(--docs-primary-hl); }

/* ─── Body editor ────────────────────────────────────────────────────────── */
.pg-body-type-toggle {
    margin-left: auto; display: flex; gap: 0;
    border: 1px solid var(--docs-border); border-radius: 6px; overflow: hidden;
}
.pg-body-type {
    padding: 3px 10px; border: none; background: transparent;
    color: var(--docs-text-muted); font-size: 11px; font-weight: 600;
    cursor: pointer; font-family: 'Inter', sans-serif; transition: all 0.15s;
}
.pg-body-type:hover { color: var(--docs-text); }
.pg-body-type.active {
    background: var(--docs-primary); color: #fff;
}

.pg-body-editor {
    width: 100%; padding: 12px 14px; border-radius: 8px; resize: vertical;
    background: var(--docs-code-bg); border: 1px solid var(--docs-border);
    color: var(--docs-text); font-size: 13px; font-family: 'JetBrains Mono', monospace;
    line-height: 1.6; outline: none; tab-size: 2; min-height: 100px;
}
.pg-body-editor:focus { border-color: var(--docs-primary); }

/* File upload */
.pg-file-label {
    display: flex; align-items: center; gap: 10px; padding: 10px 16px;
    border: 1px dashed var(--docs-border); border-radius: 8px;
    margin-top: 10px; cursor: pointer; color: var(--docs-text-muted);
    font-size: 13px; transition: all 0.15s;
}
.pg-file-label:hover { border-color: var(--docs-primary); color: var(--docs-primary-hl); }
.pg-file-label input[type="file"] { display: none; }
.pg-file-label i { font-size: 16px; }

/* ─── Response panel ─────────────────────────────────────────────────────── */
.pg-response-section { border-color: rgba(99,102,241,0.2); }
.pg-response-header { cursor: default; }
.pg-response-meta {
    margin-left: auto; display: flex; gap: 12px; align-items: center;
}
.pg-status {
    padding: 2px 10px; border-radius: 10px; font-size: 11px; font-weight: 800;
    font-family: 'JetBrains Mono', monospace;
}
.pg-status-ok { background: rgba(52,211,153,0.12); color: var(--docs-green); }
.pg-status-err { background: rgba(248,113,113,0.12); color: var(--docs-red); }
.pg-timing, .pg-size {
    font-size: 11px; color: var(--docs-text-muted);
    font-family: 'JetBrains Mono', monospace;
}

.pg-response-tabs {
    display: flex; gap: 0; margin-bottom: 12px;
    border: 1px solid var(--docs-border); border-radius: 8px; overflow: hidden;
}
.pg-resp-tab {
    padding: 6px 16px; border: none; background: transparent;
    color: var(--docs-text-muted); font-size: 12px; font-weight: 600;
    cursor: pointer; font-family: 'Inter', sans-serif;
    transition: all 0.15s; display: flex; align-items: center; gap: 6px;
}
.pg-resp-tab:hover { color: var(--docs-text); }
.pg-resp-tab.active { background: rgba(99,102,241,0.1); color: var(--docs-primary-hl); }

.pg-response-output {
    background: var(--docs-code-bg); border: 1px solid var(--docs-border);
    border-radius: 8px; padding: 14px 16px; overflow: auto;
    font-family: 'JetBrains Mono', monospace; font-size: 12px;
    line-height: 1.6; color: var(--docs-text); max-height: 500px;
    white-space: pre-wrap; word-break: break-word;
    margin: 0;
}

/* ─── Stream viewer ──────────────────────────────────────────────────────── */
.pg-stream-output {
    max-height: 500px; overflow-y: auto;
    background: var(--docs-code-bg); border: 1px solid var(--docs-border);
    border-radius: 8px; padding: 8px;
}
.pg-stream-event {
    padding: 8px 12px; margin-bottom: 4px; border-radius: 6px;
    border-left: 3px solid var(--docs-border);
    background: rgba(255,255,255,0.01);
}
.pg-stream-event pre {
    font-family: 'JetBrains Mono', monospace; font-size: 11px;
    color: var(--docs-text); white-space: pre-wrap; word-break: break-word;
    margin: 0; padding: 0; background: none; border: none; border-radius: 0;
}
.pg-stream-label {
    display: inline-block; font-size: 9px; font-weight: 800;
    text-transform: uppercase; letter-spacing: 1px; padding: 1px 6px;
    border-radius: 3px; margin-bottom: 4px;
}
.pg-stream-session    { border-left-color: var(--docs-accent); }
.pg-stream-session    .pg-stream-label { background: rgba(34,211,238,0.12); color: var(--docs-accent); }
.pg-stream-agent_start { border-left-color: var(--docs-primary); }
.pg-stream-agent_start .pg-stream-label { background: rgba(99,102,241,0.12); color: var(--docs-primary-hl); }
.pg-stream-step_start { border-left-color: var(--docs-amber); }
.pg-stream-step_start .pg-stream-label { background: rgba(251,191,36,0.1); color: var(--docs-amber); }
.pg-stream-step_complete { border-left-color: var(--docs-green); }
.pg-stream-step_complete .pg-stream-label { background: rgba(52,211,153,0.1); color: var(--docs-green); }
.pg-stream-complete   { border-left-color: var(--docs-green); }
.pg-stream-complete   .pg-stream-label { background: rgba(52,211,153,0.15); color: var(--docs-green); }
.pg-stream-error      { border-left-color: var(--docs-red); }
.pg-stream-error      .pg-stream-label { background: rgba(248,113,113,0.12); color: var(--docs-red); }
.pg-stream-system     { border-left-color: var(--docs-text-dim); }
.pg-stream-system     .pg-stream-label { background: rgba(255,255,255,0.05); color: var(--docs-text-dim); }
.pg-stream-data       { border-left-color: var(--docs-primary); }
.pg-stream-data       .pg-stream-label { background: rgba(99,102,241,0.08); color: var(--docs-primary); }
.pg-stream-raw        { border-left-color: var(--docs-text-dim); }
.pg-stream-raw        .pg-stream-label { background: rgba(255,255,255,0.03); color: var(--docs-text-muted); }

/* ─── Loading overlay ────────────────────────────────────────────────────── */
.pg-loading {
    position: absolute; inset: 0; z-index: 10;
    background: rgba(10,10,18,0.8); backdrop-filter: blur(6px);
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 16px; border-radius: 10px;
    font-size: 14px; color: var(--docs-text-muted);
}
.pg-spinner {
    width: 32px; height: 32px; border-radius: 50%;
    border: 3px solid var(--docs-border); border-top-color: var(--docs-primary);
    animation: pg-spin 0.8s linear infinite;
}
@keyframes pg-spin { to { transform: rotate(360deg); } }

.pg-cancel-btn {
    padding: 6px 16px; border-radius: 6px;
    border: 1px solid var(--docs-border); background: transparent;
    color: var(--docs-text-muted); font-size: 12px; cursor: pointer;
    transition: all 0.15s;
}
.pg-cancel-btn:hover { border-color: var(--docs-red); color: var(--docs-red); }

/* ─── Playground Responsive ──────────────────────────────────────────────── */
@media (max-width: 600px) {
    .pg-url-bar { flex-direction: column; border-radius: 10px; }
    .pg-method-select { border-right: none; border-bottom: 1px solid var(--docs-border); min-width: auto; }
    .pg-send-btn { border-left: none; border-top: 1px solid var(--docs-border); justify-content: center; }
    .pg-kv-row { flex-wrap: wrap; }
    .pg-kv-key, .pg-kv-value { min-width: 0; }
    .pg-body-type-toggle { flex-wrap: wrap; }
    .pg-response-meta { gap: 6px; }
}