:root{color:#111827;background:#fafafa;font-family:Inter,PingFang SC,Microsoft YaHei,system-ui,sans-serif;font-synthesis:none;--header-height: 72px;--sidebar-width: 288px;--canvas: #fafafa;--surface: #ffffff;--surface-muted: #f8fafc;--text: #111827;--muted: #6b7280;--border: #e5e7eb;--border-strong: #cbd5e1;--accent: #2563eb;--accent-soft: #eff6ff;--rightbar-width: 268px}:root[data-theme=dark]{color-scheme:dark;--canvas: #0f172a;--surface: #111827;--surface-muted: #172033;--text: #f8fafc;--muted: #94a3b8;--border: #273449;--border-strong: #475569;--accent: #60a5fa;--accent-soft: #172554}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-height) + 24px)}body{margin:0;min-width:320px;min-height:100vh;background:var(--canvas);color:var(--text);-webkit-font-smoothing:antialiased}button,a{font:inherit}button{color:inherit}button:focus-visible,a:focus-visible,article:focus-visible{outline:3px solid color-mix(in srgb,var(--accent) 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button.active{color:var(--accent);border-color:color-mix(in srgb,var(--accent) 48%,var(--border));background:var(--accent-soft);font-weight:650}.tool-editor-grid{display:grid;grid-template-columns:1fr;gap:16px}.tool-editor-card{min-width:0;overflow:hidden;background:var(--surface);border:1px solid var(--border);border-radius:9px}.tool-editor-head{min-height:46px;padding:0 14px;display:flex;align-items:center;justify-content:space-between;gap:12px;border-bottom:1px solid var(--border)}.tool-editor-head strong{font-size:13px}.tool-editor-head span{color:var(--muted);font-size:11px;font-variant-numeric:tabular-nums}.tool-editor-card textarea{width:100%;min-height:268px;padding:16px;resize:vertical;display:block;color:var(--text);background:var(--surface);border:0;outline:none;font:14px/1.75 ui-monospace,SFMono-Regular,Consolas,Liberation Mono,monospace}.tool-editor-card textarea::placeholder{color:var(--muted)}.tool-editor-card 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