:root{color:#182026;background:#f4f6f8;--ink: #182026;--muted: #64727d;--line: #dbe3e8;--line-soft: #e9eef2;--surface: #ffffff;--surface-soft: #f8fafb;--accent: #176f69;--accent-ink: #0d504b;--good: #137447;--bad: #a74444;--warn: #936100;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;letter-spacing:0;text-rendering:optimizeLegibility}*{box-sizing:border-box}body{margin:0;min-width:320px;background:linear-gradient(180deg,#176f6917,#f4f6f800 260px),linear-gradient(90deg,rgba(219,227,232,.55) 1px,transparent 1px),#f4f6f8;background-size:auto,72px 72px,auto}button,input{font:inherit}a{color:inherit}.app-shell{width:min(1500px,calc(100% - 32px));margin:0 auto;padding:24px 0 40px}.app-header{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:18px;padding:18px 0 16px;border-bottom:1px solid 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p{margin-top:4px;color:var(--muted);font-size:11.5px;line-height:1.25;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.detail-panel{scroll-margin-top:12px}.detail-top{grid-template-columns:58px minmax(0,1fr);gap:12px;padding:12px 58px 12px 12px}.detail-top .product-image.large{width:58px;height:58px}.detail-top h2{font-size:17px}.detail-actions a{min-height:30px}.primary-comparison{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;padding:12px}.primary-comparison>div{min-height:104px;padding:12px;border:1px solid var(--line-soft)}.primary-comparison>div:nth-child(3){grid-column:1 / -1}.primary-comparison strong{font-size:17px}.notice{margin:10px 12px 0}.section-title,.variant-heading{margin:16px 12px 8px}.match-list,.empty-detail-row{margin:0 12px}.match-list,.detail-data-grid{grid-template-columns:1fr}.variants-grid{grid-template-columns:1fr;padding:0 12px 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