/* Raw HTML Versus Rendered DOM SEO Diff — scoped styles */
.rendered-diff-tool,
.rendered-diff-tool * { box-sizing: border-box; }
.rendered-diff-tool [hidden] { display: none !important; }
.rendered-diff-tool { min-width: 0; padding-bottom: 2rem; }
.rendered-diff-hero { max-width: 900px; margin: 0 auto 1.5rem; text-align: center; }
.rendered-diff-hero .section-eyebrow { margin-bottom: .5rem; }
.rendered-diff-hero h1 { margin-bottom: .75rem; }
.rendered-diff-hero p { color: var(--muted); font-size: 1.05rem; }
.diff-flow { display: flex; justify-content: center; gap: .5rem; flex-wrap: wrap; margin-top: 1rem; color: var(--gray-600); font-size: .82rem; font-weight: 700; }
.diff-flow span { display: inline-flex; align-items: center; gap: .5rem; }
.diff-flow span:not(:last-child)::after { content: '→'; color: var(--gray-400); }
.diff-privacy { display: flex; align-items: flex-start; gap: .65rem; margin: 0 0 1rem; padding: .85rem 1rem; border: 1px solid #bbf7d0; border-radius: var(--radius); background: #f0fdf4; color: #166534; font-size: .9rem; }
.diff-privacy svg { flex: 0 0 auto; margin-top: .1rem; }
.diff-card { min-width: 0; margin-bottom: 1rem; padding: 1.25rem; border: 1px solid var(--border); border-radius: var(--radius); background: var(--card); box-shadow: 0 1px 3px rgba(15,23,42,.05); }
#results { scroll-margin-top: 90px; }
.diff-card h2 { margin: 0 0 .35rem; font-size: 1.18rem; }
.diff-card-intro { margin: 0 0 1rem; color: var(--muted); font-size: .9rem; }
.diff-input-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 1rem; }
.diff-input-panel { min-width: 0; padding: 1rem; border: 1px solid var(--border); border-radius: var(--radius-sm); background: #f8fafc; }
.diff-input-panel h3 { display: flex; align-items: center; justify-content: space-between; gap: .5rem; margin: 0 0 .25rem; font-size: 1rem; }
.diff-step { display: inline-flex; align-items: center; justify-content: center; width: 1.7rem; height: 1.7rem; border-radius: 999px; background: var(--primary); color: white; font-size: .75rem; }
.diff-input-panel p { margin: 0 0 .75rem; color: var(--muted); font-size: .8rem; }
.diff-input-panel textarea { width: 100%; min-height: 235px; resize: vertical; font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; font-size: .76rem; line-height: 1.5; }
.diff-file-row { display: flex; align-items: center; gap: .65rem; flex-wrap: wrap; margin-top: .65rem; }
.diff-file-row label { margin: 0; font-size: .78rem; font-weight: 700; }
.diff-file-row input[type="file"] { min-width: 0; max-width: 100%; font-size: .75rem; }
.diff-preview { min-height: 2.5rem; margin-top: .7rem; padding: .6rem .7rem; border: 1px dashed var(--border); border-radius: .4rem; background: white; color: var(--muted); font-size: .75rem; overflow-wrap: anywhere; }
.diff-preview.is-ready { border-color: #93c5fd; background: #eff6ff; color: #1e3a8a; }
.diff-config-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .9rem; }
.diff-config-grid .form-group { min-width: 0; margin: 0; }
.diff-config-grid input,
.diff-config-grid select { width: 100%; }
.diff-config-grid .checkbox-label { display: flex; align-items: center; align-self: end; gap: .55rem; min-height: 44px; margin: 0; }
.diff-config-grid .checkbox-label input[type="checkbox"] { width: auto; flex: 0 0 auto; }
.diff-actions { display: flex; align-items: center; gap: .65rem; flex-wrap: wrap; margin-top: 1rem; }
.diff-actions .btn-primary { min-width: 190px; }
.diff-shortcut { color: var(--muted); font-size: .75rem; }
.diff-validation { margin-top: .8rem; padding: .75rem .9rem; border: 1px solid #fecaca; border-radius: .5rem; background: #fef2f2; color: #991b1b; font-weight: 600; }
.diff-progress { margin-top: 1rem; }
.diff-progress progress { width: 100%; height: .65rem; accent-color: var(--primary); }
.diff-progress span { display: block; margin-top: .35rem; color: var(--muted); font-size: .8rem; }
.diff-helper { margin-top: 1rem; border-top: 1px solid var(--border); padding-top: 1rem; }
.diff-helper summary { cursor: pointer; font-weight: 700; }
.diff-helper-grid { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: .65rem; align-items: end; margin-top: .8rem; }
.diff-helper-grid input { width: 100%; font-family: ui-monospace, monospace; font-size: .72rem; }
.diff-helper-note { margin: .65rem 0 0; color: var(--muted); font-size: .8rem; }
.diff-summary-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .75rem; margin: 1rem 0; }
.diff-summary-card { min-width: 0; padding: .9rem; border: 1px solid var(--border); border-radius: .65rem; background: #f8fafc; }
.diff-summary-card strong { display: block; font-size: 1.65rem; line-height: 1.1; }
.diff-summary-card span { display: block; margin-top: .25rem; color: var(--muted); font-size: .72rem; text-transform: uppercase; letter-spacing: .04em; }
.diff-summary-card.is-critical strong { color: #b91c1c; }
.diff-summary-card.is-high strong { color: #c2410c; }
.diff-tabs { display: flex; gap: .4rem; padding-bottom: .45rem; overflow-x: auto; scrollbar-width: thin; }
.diff-tab { flex: 0 0 auto; padding: .5rem .7rem; border: 1px solid var(--border); border-radius: 999px; background: white; color: var(--gray-700); cursor: pointer; font-size: .76rem; font-weight: 700; white-space: nowrap; }
.diff-tab span { display: inline-flex; min-width: 1.35rem; justify-content: center; margin-left: .25rem; padding: .05rem .3rem; border-radius: 999px; background: var(--gray-100); font-size: .66rem; }
.diff-tab.is-active { border-color: var(--primary); background: var(--primary); color: white; }
.diff-tab.is-active span { background: rgba(255,255,255,.2); color: white; }
.diff-class-counts { display: flex; gap: .4rem; flex-wrap: wrap; margin-top: .5rem; color: var(--gray-600); font-size: .7rem; }
.diff-class-counts span { padding: .28rem .48rem; border: 1px solid var(--border); border-radius: 999px; background: #f8fafc; }
.diff-class-counts strong { color: var(--gray-800); }
.diff-controls { display: grid; grid-template-columns: minmax(180px, 1fr) repeat(3, minmax(130px, .45fr)); gap: .65rem; align-items: end; margin: 1rem 0; }
.diff-controls .form-group { margin: 0; }
.diff-controls label { font-size: .75rem; }
.diff-controls input,
.diff-controls select { width: 100%; }
.diff-review-toggle { display: flex; align-items: center; grid-column: 1 / -1; min-height: 42px; gap: .45rem; font-size: .78rem; font-weight: 700; }
.diff-review-toggle input[type="checkbox"] { width: auto; flex: 0 0 auto; }
.diff-export-row { display: flex; justify-content: space-between; align-items: center; gap: .75rem; flex-wrap: wrap; margin-bottom: .75rem; }
.diff-export-actions { display: flex; gap: .45rem; flex-wrap: wrap; }
.diff-table-wrap { min-width: 0; width: 100%; overflow-x: auto; border: 1px solid var(--border); border-radius: .6rem; }
.diff-table { width: 100%; min-width: 760px; border-collapse: collapse; }
.diff-table th { position: sticky; top: 0; z-index: 1; background: #f8fafc; color: var(--gray-600); font-size: .7rem; letter-spacing: .04em; text-align: left; text-transform: uppercase; }
.diff-table th,
.diff-table td { padding: .7rem .75rem; border-bottom: 1px solid var(--border); vertical-align: top; }
.diff-table tbody tr:last-child td { border-bottom: 0; }
.diff-table tbody tr:hover { background: #f8fafc; }
.diff-category-cell,
.diff-class-cell { color: var(--gray-600); font-size: .75rem; text-transform: capitalize; }
.diff-priority { display: inline-flex; align-items: center; border-radius: 999px; padding: .2rem .42rem; font-size: .64rem; font-weight: 800; letter-spacing: .035em; white-space: nowrap; }
.diff-priority-critical { background: #fee2e2; color: #991b1b; }
.diff-priority-high { background: #ffedd5; color: #9a3412; }
.diff-priority-medium { background: #fef3c7; color: #92400e; }
.diff-priority-low { background: #dbeafe; color: #1e40af; }
.diff-priority-info { background: #e2e8f0; color: #334155; }
.diff-finding-button { display: block; width: 100%; padding: 0; border: 0; background: transparent; color: var(--primary-dark); cursor: pointer; font: inherit; font-weight: 700; text-align: left; }
.diff-finding-button:hover { text-decoration: underline; }
.diff-evidence-hint { display: block; max-width: 580px; margin-top: .25rem; color: var(--muted); font-family: ui-monospace, monospace; font-size: .68rem; overflow-wrap: anywhere; }
.diff-empty { padding: 2rem; text-align: center; color: var(--muted); }
.diff-pagination { display: flex; justify-content: center; align-items: center; gap: .75rem; margin-top: .9rem; font-size: .8rem; }
.diff-evidence { position: fixed; inset: 0; z-index: 1000; display: grid; grid-template-columns: minmax(0, 1fr) min(620px, 92vw); background: rgba(15,23,42,.46); }
.diff-evidence[hidden] { display: none; }
.diff-evidence-drawer { grid-column: 2; height: 100%; overflow-y: auto; padding: 1.25rem; background: white; box-shadow: -12px 0 30px rgba(15,23,42,.2); }
.diff-evidence-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; padding-bottom: 1rem; border-bottom: 1px solid var(--border); }
.diff-evidence-head h2 { margin: .45rem 0 0; font-size: 1.2rem; }
.diff-evidence-close { width: 2.3rem; height: 2.3rem; border: 1px solid var(--border); border-radius: .45rem; background: white; cursor: pointer; font-size: 1.25rem; }
.diff-evidence-grid { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: .75rem; margin-top: 1rem; }
.diff-evidence-block { min-width: 0; padding: .85rem; border: 1px solid var(--border); border-radius: .55rem; background: #f8fafc; }
.diff-evidence-block h3 { margin: 0 0 .45rem; font-size: .78rem; text-transform: uppercase; color: var(--gray-600); }
.diff-evidence-block pre { margin: 0; white-space: pre-wrap; overflow-wrap: anywhere; font-size: .72rem; line-height: 1.5; }
.diff-evidence-block code { display: block; margin-top: .55rem; color: var(--gray-600); overflow-wrap: anywhere; }
.diff-evidence-copy { margin-top: 1rem; }
.diff-evidence-copy h3 { margin: 1rem 0 .35rem; font-size: .9rem; }
.diff-evidence-copy p { color: var(--gray-700); }
.diff-limitations { margin-top: 1rem; }
.diff-limitations details { border-bottom: 1px solid var(--border); padding: .65rem 0; }
.diff-limitations summary { cursor: pointer; font-weight: 700; }
.diff-limitations p { color: var(--gray-600); font-size: .88rem; }
.diff-faq details { border-bottom: 1px solid var(--border); padding: .7rem 0; }
.diff-faq summary { cursor: pointer; font-weight: 700; }
.diff-faq p { color: var(--gray-600); }
.rendered-diff-tool :focus-visible { outline: 3px solid #f59e0b; outline-offset: 2px; }
@media (max-width: 900px) {
  .diff-input-grid { grid-template-columns: 1fr; }
  .diff-controls { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .diff-summary-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .rendered-diff-tool { width: 100%; min-width: 0; }
  .diff-card { padding: .9rem; }
  .diff-config-grid,
  .diff-controls,
  .diff-helper-grid,
  .diff-evidence-grid { grid-template-columns: 1fr; }
  .diff-actions .btn,
  .diff-export-actions .btn { width: 100%; }
  .diff-export-actions { width: 100%; }
  .diff-input-panel textarea { min-height: 190px; }
  .diff-evidence { grid-template-columns: 1fr; }
  .diff-evidence-drawer { grid-column: 1; width: 100%; }
}
@media (max-width: 360px) {
  .diff-summary-grid { grid-template-columns: 1fr; }
  .diff-flow { justify-content: flex-start; }
}