:root{--bg: #fafaf9;--panel: #ffffff;--panel-2: #f5f5f4;--border: #e7e5e4;--text: #292524;--muted: #44403c;--accent: #2563eb;--accent-strong: #1d4ed8;--focus: #1d4ed8;--danger: #dc2626;--ok: #16a34a;--warning: #d97706;--warning-soft: #fbbf24;--warning-ink: #431407;--on-accent: #ffffff;--brand-ink: #7c2d12;--deploy-beta: #78350f;--deploy-preview: #1e40af;--font-sans: system-ui, -apple-system, sans-serif;--fs-4xs: 8px;--fs-3xs: 9px;--fs-2xs: 10px;--fs-xs: 11px;--fs-sm: 12px;--fs-md: 13px;--fs-lg: 15px;--fs-xl: 18px;--fs-2xl: 20px;--fw-medium: 500;--fw-semibold: 600;--fw-bold: 700;--sp-1: 2px;--sp-2: 4px;--sp-3: 6px;--sp-4: 8px;--sp-5: 12px;--sp-6: 16px;--sp-7: 20px;--sp-8: 24px;--r-sm: 4px;--r-md: 6px;--r-lg: 8px;--r-pill: 999px;--r-circle: 50%;--elev-1: 0 1px 4px rgba(15, 23, 42, .08);--elev-2: 0 8px 24px rgba(0, 0, 0, .18);--elev-3: 0 10px 40px rgba(0, 0, 0, .25);--elev-up: 0 -8px 24px rgba(0, 0, 0, .22);--glass-blur: 6px;--glass-saturate: 180%;--glass-bg: rgba(239, 238, 237, .6);--glass-bg-thin: rgba(239, 238, 237, .55);--glass-bg-strong: rgba(239, 238, 237, .73);--glass-fallback: rgba(245, 244, 243, .94);--glass-sheen: radial-gradient(90% 70% at 12% 0%, rgba(255, 255, 255, .55) 0%, rgba(255, 255, 255, 0) 50%), radial-gradient(80% 60% at 88% 100%, rgba(231, 229, 228, .45) 0%, rgba(231, 229, 228, 0) 55%);--glass-border: rgba(255, 255, 255, .28);--glass-highlight: inset 0 1px 0 rgba(255, 255, 255, .5);--glass-shadow: 0 8px 32px rgba(15, 23, 42, .12);--glass-shadow-sm: 0 2px 10px rgba(15, 23, 42, .1);--ink: 41 37 36;--chrome-nav-h: 56px;--chrome-banner-h: 44px;--chrome-left-w: 240px;--chrome-left-collapsed-w: 34px;--chrome-right-w: 280px;--chrome-gutter: 16px;--r-window: 14px;--window-inset: inset 0 2px 6px rgba(15, 23, 42, .1), inset 0 0 0 1px rgba(15, 23, 42, .05);--z-base: 1;--z-sticky: 5;--z-dropdown: 40;--z-overlay: 50;--z-modal: 100}*{box-sizing:border-box}body{margin:0;font:15px/1.6 system-ui,-apple-system,sans-serif;color:var(--text);background:var(--panel)}.doc-topbar{display:flex;align-items:center;gap:12px;padding:10px 20px;border-bottom:1px solid var(--border);position:sticky;top:0;background:var(--panel);z-index:10}.doc-topbar h1{font-size:16px;margin:0}.lang-switch{display:flex;gap:2px;border:1px solid var(--border);border-radius:6px;overflow:hidden}.lang-switch button{border:none;background:transparent;color:var(--muted);font:inherit;font-size:12px;font-weight:600;padding:4px 10px;cursor:pointer}.lang-switch button.active{background:var(--accent);color:var(--on-accent)}.swatch{display:inline-block;width:28px;height:16px;border-radius:4px;vertical-align:middle}.doc-topbar .back{margin-left:auto;font-size:14px;color:var(--accent);text-decoration:none}.doc-topbar .back:hover{text-decoration:underline}.doc-shell{display:grid;grid-template-columns:260px 1fr;align-items:start}.doc-nav{position:sticky;top:53px;align-self:start;max-height:calc(100vh - 53px);overflow-y:auto;padding:16px 14px 40px;background:var(--bg);border-right:1px solid var(--border)}.doc-nav h2{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:18px 8px 6px}.doc-nav h2:first-child{margin-top:0}.doc-nav ul{list-style:none;margin:0;padding:0}.doc-nav a{display:block;padding:5px 8px;border-radius:6px;color:var(--text);text-decoration:none;font-size:14px}.doc-nav a:hover{background:var(--panel-2)}.doc-nav a.active{background:var(--accent);color:var(--on-accent)}.doc-content{padding:24px 32px 80px;max-width:760px}.doc-content h1{font-size:26px;margin:0 0 16px}.doc-content h2{font-size:19px;margin:28px 0 10px;border-bottom:1px solid var(--border);padding-bottom:4px}.doc-content h3{font-size:16px;margin:20px 0 8px}.doc-content code{background:var(--panel-2);padding:1px 5px;border-radius:4px;font-size:.9em}.doc-content pre{background:var(--panel-2);padding:12px 14px;border-radius:6px;overflow-x:auto}.doc-content pre code{background:none;padding:0}.doc-content table{border-collapse:collapse;width:100%;margin:12px 0;font-size:14px}.doc-content th,.doc-content td{border:1px solid var(--border);padding:6px 10px;text-align:left}.doc-content th{background:var(--bg)}.doc-content a{color:var(--accent)}.doc-content blockquote{margin:12px 0;padding:4px 14px;border-left:3px solid var(--border);color:var(--muted)}.feedback-form{display:flex;flex-direction:column;gap:14px;max-width:560px;margin:18px 0;padding:18px;border:1px solid var(--border);border-radius:8px;background:var(--bg)}.feedback-form label{display:flex;flex-direction:column;gap:5px;font-weight:600;font-size:14px}.feedback-form input,.feedback-form select,.feedback-form textarea{font:inherit;font-weight:400;color:var(--text);background:var(--bg);border:1px solid var(--border);border-radius:6px;padding:7px 10px}.feedback-form textarea{resize:vertical}.feedback-form .feedback-check{flex-direction:row;align-items:center;gap:8px;font-weight:400}.feedback-form button{align-self:flex-start;font:inherit;font-weight:600;color:var(--on-accent);background:var(--accent);border:none;border-radius:6px;padding:9px 16px;cursor:pointer}.feedback-form button:hover{filter:brightness(1.1)}.feedback-note{margin:0;font-size:12.5px;color:var(--muted)}@media(max-width:720px){.doc-shell{grid-template-columns:1fr}.doc-nav{position:static;max-height:none;border-right:none;border-bottom:1px solid var(--border)}}.ic+.btn-label{margin-left:.4em}