[data-tool-root="blue-screen"] {
  --gray-50:#fbfbfb;--gray-100:#f7f7f7;--gray-150:#f2f2f2;--gray-200:#eee;--gray-300:#ddd;
  --gray-500:#999;--gray-600:#666;--gray-700:#444;--gray-800:#222;--gray-900:#111;
  --bg-workspace:#f2f2f2;--bg-result:#fff;--text-primary:#111;--text-secondary:#444;--text-tertiary:#666;
  --border:#ddd;--danger:#a12424;--success:#276749;--radius:6px;--radius-sm:4px;
  box-sizing:border-box;width:100%;padding:0 360px 40px 30px;color:var(--text-primary);
  font:15px/1.65 "Noto Sans SC",system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
}
[data-tool-root="blue-screen"] *,[data-tool-root="blue-screen"] *::before,[data-tool-root="blue-screen"] *::after{box-sizing:border-box}
[data-tool-root="blue-screen"] [hidden]{display:none!important}
[data-tool-root="blue-screen"] .tool-page-header h1{margin:0;font-size:30px;line-height:1.2;letter-spacing:-.5px}
[data-tool-root="blue-screen"] .page-description{margin:8px 0 16px;color:var(--text-secondary);max-width:72ch}
[data-tool-root="blue-screen"] .tool-page-divider{border-top:1px solid var(--border)}
[data-tool-root="blue-screen"] .tool-workspace{margin-top:24px;padding:16px;background:var(--bg-workspace);border:1px solid var(--border);border-radius:var(--radius)}
[data-tool-root="blue-screen"] .workspace-grid{display:grid;grid-template-columns:minmax(260px,.78fr) minmax(360px,1.22fr);gap:12px;align-items:start}
[data-tool-root="blue-screen"] .workspace-card{min-width:0;padding:20px;background:#fff;border:1px solid var(--border);border-radius:var(--radius)}
[data-tool-root="blue-screen"] h3{margin:0 0 16px;font-size:18px;line-height:1.35}
[data-tool-root="blue-screen"] .field label{display:block;margin-bottom:6px;font-weight:700}
[data-tool-root="blue-screen"] select,[data-tool-root="blue-screen"] textarea{width:100%;border:1px solid var(--border);border-radius:var(--radius-sm);background:#fff;color:#111;font:inherit}
[data-tool-root="blue-screen"] select{min-height:44px;padding:0 12px}
[data-tool-root="blue-screen"] textarea{min-height:76px;padding:10px 12px;resize:vertical}
[data-tool-root="blue-screen"] .field-help,[data-tool-root="blue-screen"] .keyboard-hint{margin:6px 0 0;color:var(--text-tertiary);font-size:13px}
[data-tool-root="blue-screen"] .button-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
[data-tool-root="blue-screen"] .btn{min-height:42px;padding:0 16px;border:1px solid var(--border);border-radius:var(--radius-sm);background:#fff;color:#111;font:700 14px/1 inherit;cursor:pointer}
[data-tool-root="blue-screen"] .btn:hover{background:var(--gray-100)}
[data-tool-root="blue-screen"] .btn-primary{border-color:#111;background:#111;color:#fff}
[data-tool-root="blue-screen"] .btn-primary:hover{background:#222}
[data-tool-root="blue-screen"] button:focus-visible,[data-tool-root="blue-screen"] select:focus-visible,[data-tool-root="blue-screen"] textarea:focus-visible,[data-tool-root="blue-screen"] [tabindex]:focus-visible,[data-tool-root="blue-screen"] summary:focus-visible{outline:2px solid #111;outline-offset:2px}
[data-tool-root="blue-screen"] .status-line{min-height:25px;margin:12px 0 0;color:var(--text-secondary)}
[data-tool-root="blue-screen"] .status-line[data-tone="error"]{color:var(--danger)}
[data-tool-root="blue-screen"] .status-line[data-tone="success"]{color:var(--success)}
[data-tool-root="blue-screen"] .copy-fallback{margin-top:12px}
[data-tool-root="blue-screen"] .copy-fallback label{display:block;margin-bottom:6px;font-weight:700}
[data-tool-root="blue-screen"] .blue-stage{position:relative;display:grid;place-items:center;width:100%;min-height:300px;overflow:hidden;border:1px solid #222;border-radius:var(--radius);background:#0000ff;color:#fff;touch-action:manipulation}
[data-tool-root="blue-screen"] .preview-hint{padding:6px 10px;border:1px solid rgba(255,255,255,.4);border-radius:999px;background:rgba(255,255,255,.12);font-size:13px}
[data-tool-root="blue-screen"] .blue-stage:fullscreen{width:100vw;height:100vh;min-height:100vh;border:0;border-radius:0;background:#0000ff}
[data-tool-root="blue-screen"] .blue-stage:fullscreen .preview-hint{display:none}
[data-tool-root="blue-screen"] .fullscreen-controls{position:absolute;left:max(16px,env(safe-area-inset-left));right:max(16px,env(safe-area-inset-right));bottom:max(16px,env(safe-area-inset-bottom));display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 14px;border:1px solid rgba(255,255,255,.4);border-radius:var(--radius);background:rgba(17,17,17,.82);color:#fff}
[data-tool-root="blue-screen"] .fullscreen-controls>div:first-child{display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center}
[data-tool-root="blue-screen"] .fullscreen-button-row{display:flex;gap:8px}
[data-tool-root="blue-screen"] .fullscreen-button-row button{min-height:38px;padding:0 12px;border:1px solid rgba(255,255,255,.6);border-radius:4px;background:#fff;color:#111;font:700 14px/1 inherit;cursor:pointer}
[data-tool-root="blue-screen"] .result-summary{margin-top:12px;padding:18px;background:var(--bg-result);border:1px solid var(--border);border-left:4px solid #111;border-radius:var(--radius)}
[data-tool-root="blue-screen"] .result-summary__header{display:flex;align-items:center;justify-content:space-between;gap:12px}
[data-tool-root="blue-screen"] .result-summary__eyebrow{font-weight:800}
[data-tool-root="blue-screen"] .result-badge{display:inline-flex;align-items:center;min-height:28px;padding:0 10px;border-radius:999px;background:#111;color:#fff;font-size:13px;font-weight:700}
[data-tool-root="blue-screen"] .result-primary{margin-top:18px}
[data-tool-root="blue-screen"] .result-primary__value{display:block;font-size:clamp(34px,4vw,52px);line-height:1.1;font-variant-numeric:tabular-nums}
[data-tool-root="blue-screen"] .result-primary__secondary{display:block;margin-top:6px;color:var(--text-secondary)}
[data-tool-root="blue-screen"] .result-data-band{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin:18px 0 0;padding:8px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
[data-tool-root="blue-screen"] .result-data-band>div{min-width:0;padding:8px 12px}
[data-tool-root="blue-screen"] .result-data-band dt{color:var(--text-tertiary);font-size:13px}
[data-tool-root="blue-screen"] .result-data-band dd{margin:3px 0 0;font-weight:800;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
[data-tool-root="blue-screen"] .result-summary__note{margin:14px 0 0;color:var(--text-secondary)}
[data-tool-root="blue-screen"] .desc-section{margin-top:32px}
[data-tool-root="blue-screen"] h2{margin:0 0 16px;padding-left:12px;border-left:3px solid #111;font-size:24px;line-height:1.3}
[data-tool-root="blue-screen"] .card-block{padding:0 24px;background:var(--gray-100);border:1px solid var(--border);border-radius:var(--radius)}
[data-tool-root="blue-screen"] details.acc+details.acc{border-top:1px solid var(--border)}
[data-tool-root="blue-screen"] details.acc summary{display:flex;align-items:center;min-height:50px;font-size:16px;font-weight:800;cursor:pointer;list-style:none}
[data-tool-root="blue-screen"] details.acc summary::-webkit-details-marker{display:none}
[data-tool-root="blue-screen"] details.acc summary::after{content:"+";margin-left:auto;color:var(--text-tertiary);font-size:20px}
[data-tool-root="blue-screen"] details.acc[open] summary::after{content:"−"}
[data-tool-root="blue-screen"] .acc-panel{padding:0 0 16px}
[data-tool-root="blue-screen"] .acc-panel p{margin:0 0 10px;max-width:72ch}
[data-tool-root="blue-screen"] .content-list{margin:8px 0 0;padding-left:20px;max-width:72ch}
[data-tool-root="blue-screen"] .content-list li+li{margin-top:6px}
[data-tool-root="blue-screen"] .related-tools-accordion{padding:0 24px;background:var(--gray-100);border:1px solid var(--border);border-radius:var(--radius)}
[data-tool-root="blue-screen"] .related-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;padding-bottom:20px}
[data-tool-root="blue-screen"] .related-link{display:flex;min-width:0;min-height:92px;flex-direction:column;justify-content:center;padding:14px 16px;border:1px solid var(--border);border-radius:var(--radius-sm);background:#fff;color:var(--text-primary);text-decoration:none}
[data-tool-root="blue-screen"] .related-link:hover{border-color:var(--border-strong,#222);background:var(--gray-50)}
[data-tool-root="blue-screen"] .related-link strong{font-size:16px;line-height:1.4}
[data-tool-root="blue-screen"] .related-link span{margin-top:5px;color:var(--text-secondary);font-size:14px;line-height:1.55}
[data-tool-root="blue-screen"] .related-link[aria-disabled="true"]{cursor:default}
[data-tool-root="blue-screen"] .demo-related-note{grid-column:1/-1;margin:0;padding:10px 12px;border:1px dashed var(--border);background:#fff;color:var(--text-tertiary);font-size:13px}
[data-tool-root="blue-screen"] .noscript-note{margin:16px 0 0;padding:12px 14px;border:1px solid var(--border);background:var(--gray-100)}
@media(max-width:900px){[data-tool-root="blue-screen"]{padding:0 8px 40px}}
@media(max-width:720px){[data-tool-root="blue-screen"] .workspace-grid{grid-template-columns:1fr}[data-tool-root="blue-screen"] .workspace-card{padding:14px 12px}[data-tool-root="blue-screen"] .related-links{grid-template-columns:1fr}}
@media(max-width:430px){[data-tool-root="blue-screen"] .tool-page-header h1{font-size:27px}[data-tool-root="blue-screen"] h2{font-size:21px}[data-tool-root="blue-screen"] .button-row{display:grid;grid-template-columns:1fr}[data-tool-root="blue-screen"] .btn{width:100%;min-height:44px}[data-tool-root="blue-screen"] .blue-stage{min-height:240px}[data-tool-root="blue-screen"] .result-data-band{grid-template-columns:1fr}[data-tool-root="blue-screen"] .result-data-band>div{padding:8px 0}[data-tool-root="blue-screen"] .result-data-band>div+div{border-top:1px solid var(--border)}[data-tool-root="blue-screen"] .fullscreen-controls{left:max(8px,env(safe-area-inset-left));right:max(8px,env(safe-area-inset-right));bottom:max(8px,env(safe-area-inset-bottom));display:grid}[data-tool-root="blue-screen"] .fullscreen-button-row{display:grid;grid-template-columns:1fr 1fr}}
@media(prefers-reduced-motion:reduce){[data-tool-root="blue-screen"] *{scroll-behavior:auto!important;animation:none!important;transition:none!important}}