:root{--bfd-primary:#3b82f6;--bfd-primary-rgb:59,130,246;--bfd-primary-light:#3b82f614;--bfd-primary-glow:#3b82f640;--bfd-text:#1e293b;--bfd-text-secondary:#475569;--bfd-text-muted:#64748b;--bfd-bg:#fff;--bfd-bg-subtle:#f8fafc;--bfd-bg-hover:#3b82f60a;--bfd-border:#e2e8f0;--bfd-border-light:#0000000f;--bfd-card-shadow:0 1px 2px #0000000a,0 4px 12px #0000000a;--bfd-radius:8px;--bfd-radius-lg:12px;--bfd-radius-xl:16px;--bfd-success:#10b981;--bfd-success-light:#10b9811a;--bfd-error:#ef4444;--bfd-error-light:#ef44441a;--bfd-ring-bg:#e2e8f0;--bfd-ring-progress:#3b82f6}._bfd-container{flex-direction:column;gap:1.25rem;max-width:1000px;margin:0 auto;display:flex}@media (max-width:768px){._bfd-container{padding-left:1rem;padding-right:1rem}}._bfd-score-card{background:var(--bfd-bg);border-radius:var(--bfd-radius-lg);box-shadow:var(--bfd-card-shadow);align-items:center;gap:1.5rem;padding:1.25rem 1.5rem;display:flex}._bfd-score-ring{flex-shrink:0;width:80px;height:80px;position:relative}._bfd-score-ring svg{width:100%;height:100%;transform:rotate(-90deg)}._bfd-score-bg{fill:none;stroke:var(--bfd-ring-bg);stroke-width:8px}._bfd-score-progress{fill:none;stroke:var(--bfd-ring-progress);stroke-width:8px;stroke-linecap:round;stroke-dasharray:283;stroke-dashoffset:283px;transition:stroke-dashoffset .6s}._bfd-score-text{text-align:center;line-height:1;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}._bfd-score-value{color:var(--bfd-primary);font-size:1.25rem;font-weight:700}._bfd-score-divider{color:var(--bfd-text-muted);margin:0 1px;font-size:.875rem}._bfd-score-total{color:var(--bfd-text-muted);font-size:.875rem;font-weight:500}._bfd-score-info{flex:1;min-width:0}._bfd-score-title{color:var(--bfd-text-muted);text-transform:uppercase;letter-spacing:.025em;margin:0;font-size:.875rem;font-weight:500}._bfd-score-percent{color:var(--bfd-text);margin:.25rem 0 0;font-size:1.5rem;font-weight:700}._bfd-browser-info{color:var(--bfd-text-secondary);margin:.25rem 0 0;font-size:.8125rem}._bfd-actions{flex-shrink:0;gap:.5rem;display:flex}._bfd-btn{border-radius:var(--bfd-radius);cursor:pointer;border:none;justify-content:center;align-items:center;gap:.375rem;padding:.5rem .875rem;font-size:.8125rem;font-weight:500;transition:opacity .15s,box-shadow .15s;display:inline-flex}._bfd-btn:hover{opacity:.9}._bfd-btn svg{width:16px;height:16px}._bfd-btn-primary{background:var(--bfd-primary);color:#fff;box-shadow:0 2px 8px #3b82f640}._bfd-btn-secondary{background:var(--bfd-bg-subtle);color:var(--bfd-text-secondary);border-style:solid;border-width:1px;border-color:var(--bfd-border)}._bfd-btn-secondary:hover{background:var(--bfd-bg-hover)}@media 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svg{width:14px;height:14px}._bfd-filter-count{background:var(--bfd-bg-subtle);color:var(--bfd-text-muted);border-radius:9999px;padding:.125rem .375rem;font-size:.75rem}._bfd-filter-tab.active ._bfd-filter-count{color:var(--bfd-primary);background:#3b82f626}._bfd-search-wrapper{background:var(--bfd-bg-subtle);border-radius:var(--bfd-radius);border:1px solid #0000;flex:1;align-items:center;gap:.5rem;padding:.375rem .75rem;transition:border-color .15s,background .15s;display:flex}._bfd-search-wrapper:focus-within{border-color:var(--bfd-primary);background:var(--bfd-bg)}._bfd-search-wrapper svg{width:16px;height:16px;color:var(--bfd-text-muted);flex-shrink:0}._bfd-search{color:var(--bfd-text);background:0 0;border:none;outline:none;flex:1;font-size:.8125rem}._bfd-search::placeholder{color:var(--bfd-text-muted)}._bfd-expand-actions{gap:.25rem;display:flex}._bfd-expand-btn{background:var(--bfd-bg-subtle);border-radius:var(--bfd-radius);width:32px;height:32px;color:var(--bfd-text-muted);cursor:pointer;border:none;justify-content:center;align-items:center;transition:color .15s,background .15s;display:flex}._bfd-expand-btn:hover{color:var(--bfd-text);background:var(--bfd-border)}._bfd-expand-btn svg{width:14px;height:14px}@media (max-width:640px){._bfd-filter-bar{flex-wrap:wrap}._bfd-filter-tabs{order:1;width:100%}._bfd-search-wrapper{flex:1;order:2}._bfd-expand-actions{order:3}}._bfd-categories{grid-template-columns:repeat(2,1fr);gap:.75rem;display:grid}._bfd-category{background:var(--bfd-bg);border-radius:var(--bfd-radius-lg);box-shadow:var(--bfd-card-shadow);overflow:hidden}._bfd-category.hidden{display:none}._bfd-category-header{cursor:pointer;text-align:left;background:0 0;border:none;align-items:center;gap:.625rem;width:100%;padding:.75rem 1rem;transition:background .15s;display:flex}._bfd-category-header:hover{background:var(--bfd-bg-hover)}._bfd-category-icon{background:var(--bfd-primary-light);border-radius:var(--bfd-radius);width:32px;height:32px;color:var(--bfd-primary);flex-shrink:0;justify-content:center;align-items:center;display:flex}._bfd-category-icon svg{width:18px;height:18px}._bfd-category-title{color:var(--bfd-text);flex:1;font-size:.875rem;font-weight:600}._bfd-category-count{color:var(--bfd-text-muted);background:var(--bfd-bg-subtle);border-radius:9999px;padding:.125rem .5rem;font-size:.75rem;font-weight:500}._bfd-category-chevron{color:var(--bfd-text-muted);transition:transform .2s;display:flex}._bfd-category-chevron svg{width:14px;height:14px}._bfd-category.collapsed ._bfd-category-chevron{transform:rotate(-90deg)}._bfd-category-body{grid-template-columns:repeat(2,1fr);gap:.375rem;padding:0 .75rem .75rem;display:grid}._bfd-category.collapsed ._bfd-category-body{display:none}._bfd-feature{background:var(--bfd-bg-subtle);border-radius:var(--bfd-radius);justify-content:space-between;align-items:center;gap:.5rem;padding:.375rem .5rem;transition:background .15s;display:flex}._bfd-feature:hover{background:var(--bfd-bg-hover)}._bfd-feature.hidden{display:none}._bfd-feature-name{color:var(--bfd-text-secondary);white-space:nowrap;text-overflow:ellipsis;font-size:.75rem;overflow:hidden}._bfd-feature-status{flex-shrink:0;justify-content:center;align-items:center;width:20px;height:20px;display:flex}._bfd-feature-status svg{width:14px;height:14px}._bfd-feature.supported ._bfd-feature-status{color:var(--bfd-success)}._bfd-feature.unsupported ._bfd-feature-status{color:var(--bfd-error)}._bfd-feature.checking ._bfd-feature-status{color:var(--bfd-text-muted)}._bfd-feature-spinner{border-style:solid;border-width:2px;border-color:var(--bfd-border);border-top-color:var(--bfd-primary);border-radius:50%;width:14px;height:14px;animation:.6s linear infinite _bfd-spin}@keyframes _bfd-spin{to{transform:rotate(360deg)}}._bfd-feature ._bfd-feature-status svg{animation:.2s _bfd-fade-in}@keyframes _bfd-fade-in{0%{opacity:0;transform:scale(.8)}to{opacity:1;transform:scale(1)}}@media (max-width:768px){._bfd-categories{grid-template-columns:1fr}}@media (max-width:480px){._bfd-category-body{grid-template-columns:1fr}}