:root{--bg: #f6f7f9;--card: #ffffff;--border: #e3e6ea;--text: #1f2430;--muted: #6b7280;--green-bg: #d7f5dd;--green-fg: #166534;--red-bg: #fcdcdc;--red-fg: #b91c1c;--primary: #2563eb}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}.app{max-width:1100px;margin:0 auto;padding:28px 20px 60px}.brand{font-size:14px;letter-spacing:.18em;text-transform:uppercase;font-weight:700;color:var(--text);border:1px solid var(--border);display:inline-block;padding:6px 12px;border-radius:6px;margin-bottom:12px}header p{margin:0 0 20px;color:var(--muted);max-width:720px}header .g{color:var(--green-fg);font-weight:600}header .r{color:var(--red-fg);font-weight:600}.highlight-legend{margin:6px 0 20px;color:var(--muted, #6b7280);font-size:.85rem}.highlight-legend span{padding:1px 4px;border-radius:3px}.editors{display:grid;grid-template-columns:1fr 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2px}.metric-value.good{color:var(--green-fg)}.metric-hint{font-size:12px;color:var(--muted)}.breakdown{font-size:13px;color:var(--muted);margin-bottom:16px}.breakdown strong{color:var(--text)}.mode-toggle{display:flex;align-items:center;gap:8px;margin-bottom:12px;font-size:14px}.mode-toggle button.active{background:var(--primary);color:#fff;border-color:var(--primary)}.compare{display:grid;grid-template-columns:1fr 1fr;gap:16px}.compare-col h3{margin:0 0 8px;font-size:14px}.highlight{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:14px;margin:0;min-height:200px;white-space:pre-wrap;word-break:break-word;font-family:SF Mono,Cascadia 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12px;font-size:13px}.pdf-link{color:var(--primary);text-decoration:none;font-weight:600}.pdf-link:hover{text-decoration:underline}.pdf-error{color:var(--red-fg)}.pdf-viewer{max-height:80vh;overflow-y:auto;border:1px solid var(--border);border-radius:10px;background:#f3f4f6;padding:12px}.pdf-status{font-size:13px;color:var(--muted);padding:8px 4px}.pdf-canvas-stack{display:flex;flex-direction:column;align-items:center;gap:12px}.pdf-page{max-width:100%;box-shadow:0 1px 6px #0000002e;background:#fff}.pdf-note{font-size:12px;color:var(--muted);margin:6px 0 16px}@media (max-width: 760px){.csv-row,.compare,.metrics{grid-template-columns:1fr}.metrics{grid-template-columns:1fr 1fr}}