:root{--ink:#202b42;--muted:#665e6b;--rose:#aa3155;--rose-dark:#892444;--line:#ded2d8;--pale:#fff0f4;--paper:#f8f5f6}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--paper);font:16px/1.65 system-ui,-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif}button,input,textarea{font:inherit}button,.file-button{border:1px solid #bba6b0;background:white;color:var(--ink);border-radius:8px;padding:10px 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#b82d45;padding:12px 16px;border-radius:5px;color:#872236;font-size:14px;margin:12px 0}.loading-panel{display:flex;justify-content:space-between;align-items:center;gap:16px;background:#fff4e3;border:1px solid #dbb88a;border-radius:9px;padding:12px 16px;margin-bottom:16px;font-size:14px}.loading-panel button{font-size:14px}.editor-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:20px;align-items:start}.panel{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px;min-width:0}.panel-title{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:17px}.panel-title h2{display:flex;align-items:center;gap:9px;flex-wrap:wrap}.step{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:8px;background:var(--pale);color:var(--rose);font-size:16px}.small,.panel-title button{font-size:14px;padding:8px 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var(--line);color:var(--muted);background:#fff}dialog{max-width:510px;width:calc(100% - 32px);padding:25px;border:1px solid var(--line);border-radius:14px;color:var(--ink);background:#fff}dialog::backdrop{background:#16203280}dialog p{font-size:16px}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}[hidden]{display:none!important}@media(max-width:950px){.editor-grid{grid-template-columns:1fr}.source-panel textarea{min-height:220px}.project-bar{grid-template-columns:1fr}.project-actions{align-items:center}.rule-results{grid-template-columns:1fr 1fr}.intro{align-items:flex-start}#rules-list{max-height:none}}@media(max-width:600px){.app-header{padding:16px;align-items:flex-start;flex-wrap:wrap;gap:10px}.brand{font-size:18px}.privacy-tag{font-size:12px;padding:4px 9px}main{padding:24px 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