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320px;--bp-mobile-large: 480px;--bp-tablet: 768px;--bp-desktop: 1024px;--bp-desktop-large: 1200px;--bp-desktop-xl: 1440px;--touch-target-min: 44px;--touch-target-recommended: 48px;--touch-target-comfortable: 56px;--mobile-padding: 1rem;--mobile-margin: .75rem;--mobile-gap: .5rem;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", sans-serif;--font-mono: "Fira Code", "Courier New", monospace;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 2rem;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--line-height-tight: 1.25;--line-height-normal: 1.5;--line-height-relaxed: 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h3{margin-top:0;margin-bottom:1.5rem;color:var(--text-primary);font-size:var(--font-size-xl);font-weight:var(--font-weight-semibold)}.form-group{margin-bottom:1.5rem}.form-group:last-child{margin-bottom:0}.form-group label{display:block;margin-bottom:.5rem;font-weight:var(--font-weight-medium);color:var(--text-primary);font-size:var(--font-size-base)}.form-group input[type=text],.form-group textarea{width:100%;padding:.75rem;border:1px solid var(--border-primary);border-radius:var(--radius-sm);font-size:var(--font-size-base);font-family:var(--font-sans);background-color:var(--surface-primary);color:var(--text-primary);transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.form-group input[type=text]:focus,.form-group textarea:focus{outline:none;border-color:var(--border-focus);box-shadow:0 0 0 3px var(--color-primary-light)}.form-group input[type=text]:disabled,.form-group 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ul{margin:0;padding-left:20px}.error-item{color:#dc3545;font-size:13px;margin-bottom:4px}.warning-item{color:#856404;font-size:13px;margin-bottom:4px}.link-test-results{border-top:1px solid #ddd;background:#f8f9fa;padding:12px}.link-test-results h5{margin:0 0 12px;font-size:14px;color:#333}.link-results-grid{display:grid;gap:8px}.link-result{display:grid;grid-template-columns:1fr auto auto;gap:8px;align-items:center;padding:8px;border:1px solid #ddd;border-radius:4px;background:#fff;font-size:12px}.link-result.accessible{border-color:#28a745}.link-result.inaccessible{border-color:#dc3545}.link-url{font-family:monospace;color:#333;word-break:break-all}.status-success{color:#28a745}.status-error{color:#dc3545}.link-timing{color:#666;font-size:11px}.editor-footer{display:flex;justify-content:space-between;align-items:center;padding:8px 12px;background:#f8f9fa;border-top:1px solid 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