:root {
	--bg: #1a1d23;
	--bg-surface: #0c0828;
	--bg-raised: #140e3a;
	--fg: #a8e2ff;
	--fg-dim: #6e9cc0;
	--accent: #5bbbff;
	--accent-hover: #8ad0ff;
	--accent-cta: #ffde66;
	--accent-cta-hover: #ffd333;
	--success: #3fb950;
	--warning: #ffde66;
	--error: #f85149;
	--border: #2a2060;
	--radius: 8px;
	--font: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
	--mono: 'SF Mono', 'Cascadia Code', Menlo, monospace;
}
[data-theme="light"] {
	--bg: #f5f7fa;
	--bg-surface: #ffffff;
	--bg-raised: #e8ecf1;
	--fg: #1a1f26;
	--fg-dim: #57606a;
	--accent: #1f6feb;
	--accent-hover: #0550ae;
	--accent-cta: #1f6feb;
	--accent-cta-hover: #0550ae;
	--success: #1a7f37;
	--warning: #9a6700;
	--error: #cf222e;
	--border: #d0d7de;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: var(--font); background: var(--bg); color: var(--fg); line-height: 1.6; }
.container { max-width: 1200px; margin: 0 auto; padding: 20px; }

/* Header */
header { border-bottom: 1px solid var(--border); padding: 16px 0; margin-bottom: 24px; display: flex; justify-content: space-between; align-items: center; }
header h1 { font-size: 1.5rem; font-weight: 600; }
header h1 span { color: var(--accent); }
header .reload-btn { background: var(--bg-raised); color: var(--fg-dim); border: 1px solid var(--border); border-radius: 6px; padding: 0 14px; font-size: 0.85rem; cursor: pointer; height: 36px; display: inline-flex; align-items: center; justify-content: center; }
header .reload-btn:hover { color: var(--fg); border-color: var(--fg-dim); background: rgba(91,187,255,0.1); }

/* Scan form */
.scan-form { background: var(--bg-surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin-bottom: 24px; }
.scan-form h2 { font-size: 0.9rem; margin-bottom: 12px; color: var(--fg-dim); text-transform: uppercase; letter-spacing: 0.05em; }
.form-row { display: flex; gap: 12px; align-items: end; flex-wrap: wrap; }
.form-group { display: flex; flex-direction: column; gap: 4px; }
.form-group.grow { flex: 1; min-width: 200px; }
label { font-size: 0.8rem; color: var(--fg-dim); font-weight: 500; }
input, select { background: var(--bg); border: 1px solid var(--border); border-radius: 6px; padding: 8px 12px; color: var(--fg); font-size: 0.9rem; font-family: var(--font); }
input:focus, select:focus { outline: none; border-color: var(--accent); }
button { background: var(--accent-cta); color: #1a1d23; border: none; border-radius: 6px; padding: 8px 20px; font-size: 0.9rem; font-weight: 600; cursor: pointer; white-space: nowrap; }
button:hover { background: var(--accent-cta-hover); filter: brightness(1.08); }
button:disabled { opacity: 0.5; cursor: not-allowed; }

/* Status bar */
.status-bar { background: var(--bg-raised); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px 16px; margin-bottom: 24px; display: none; }
.status-bar.visible { display: flex; align-items: start; gap: 12px; }
.status-text { font-family: var(--mono); font-size: 0.82rem; color: var(--fg-dim); white-space: pre-wrap; line-height: 1.4; flex: 1; }
.spinner { width: 16px; height: 16px; border: 2px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin 0.6s linear infinite; flex-shrink: 0; margin-top: 2px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Tabs */
.nav-tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--border); margin-bottom: 20px; }
.nav-tab { padding: 8px 16px; background: none; color: var(--fg-dim); border: none; border-radius: var(--radius) var(--radius) 0 0; cursor: pointer; font-size: 0.9rem; font-weight: 500; font-family: var(--font); position: relative; }
.nav-tab.active { color: var(--accent); box-shadow: inset 0 -2px 0 var(--accent); background: var(--bg-surface); }
.nav-tab:hover { color: var(--fg); background: rgba(91,187,255,0.08); }

/* Filter bar */
.filter-bar { display: flex; gap: 12px; margin-bottom: 16px; align-items: center; }
.filter-bar input { flex: 1; min-width: 0; }
.cat-checks { display: flex; gap: 10px; flex-shrink: 0; align-items: center; }
.cat-checks label { display: flex; align-items: center; gap: 4px; font-size: 0.85rem; color: var(--fg-dim); cursor: pointer; user-select: none; font-weight: 400; white-space: nowrap; }
.cat-checks input[type="checkbox"] { accent-color: var(--accent); width: 15px; height: 15px; cursor: pointer; }

/* Results */
.results { margin-top: 8px; }
.empty-state { text-align: center; padding: 60px 20px; color: var(--fg-dim); }
.empty-state h3 { font-size: 1.2rem; margin-bottom: 8px; color: var(--fg); }

/* Summary cards */
.summary-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; margin-bottom: 24px; }
.summary-card { background: var(--bg-surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.summary-card .label { font-size: 0.8rem; color: var(--fg-dim); margin-bottom: 4px; }
.summary-card .value { font-size: 1.5rem; font-weight: 700; }

/* Category bar chart */
.cat-bar { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.cat-bar .cat-label { width: 130px; font-size: 0.85rem; color: var(--fg-dim); }
.cat-bar .bar-bg { flex: 1; height: 10px; background: var(--bg); border-radius: 5px; overflow: hidden; }
.cat-bar .bar-fill { height: 100%; border-radius: 5px; transition: width 0.3s; }
.cat-bar .cat-count { width: 40px; text-align: right; font-size: 0.85rem; font-family: var(--mono); }

/* Table */
table { width: 100%; border-collapse: collapse; }
th { text-align: left; padding: 10px 12px; font-size: 0.8rem; color: var(--fg-dim); font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; border-bottom: 1px solid var(--border); }
td { padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: 0.9rem; }
tr.clickable { cursor: pointer; }
tr.clickable:hover td { background: var(--bg-surface); }
[data-theme="light"] tr.clickable:hover td { background: var(--bg-raised); }

/* Scores */
.score { font-weight: 700; font-family: var(--mono); }
.score.pass { color: var(--success); }
.score.warn { color: var(--warning); }
.score.fail { color: var(--error); }

/* Badges */
.badge { display: inline-block; padding: 2px 8px; border-radius: 12px; font-size: 0.75rem; font-weight: 600; }
.badge.accessibility { background: rgba(91,187,255,0.15); color: var(--accent); }
.badge.best-practices { background: rgba(255,222,102,0.15); color: var(--warning); }
.badge.seo { background: rgba(248,81,73,0.15); color: var(--error); }
.badge.performance { background: rgba(63,185,80,0.15); color: var(--success); }
.badge.pass { background: rgba(63,185,80,0.15); color: var(--success); }
.badge.warn { background: rgba(255,222,102,0.15); color: var(--warning); }
.badge.fail { background: rgba(248,81,73,0.15); color: var(--error); }
[data-theme="light"] .badge.accessibility { background: rgba(31,111,235,0.1); }
[data-theme="light"] .badge.best-practices { background: rgba(154,103,0,0.1); }
[data-theme="light"] .badge.seo { background: rgba(207,34,46,0.1); }
[data-theme="light"] .badge.pass { background: rgba(26,127,55,0.1); }
[data-theme="light"] .badge.warn { background: rgba(154,103,0,0.1); }
[data-theme="light"] .badge.fail { background: rgba(207,34,46,0.1); }
[data-theme="light"] .scan-form,
[data-theme="light"] .summary-card,
[data-theme="light"] .issue-card,
[data-theme="light"] .detail-panel { box-shadow: 0 1px 3px rgba(0,0,0,0.08); }
[data-theme="light"] .snippet { background: #f6f8fa; border-color: var(--border); }
[data-theme="light"] button:not(.reload-btn):not(.nav-tab) { color: #fff; }
[data-theme="light"] .status-bar { background: var(--bg-surface); }

/* Theme toggle */
#theme-toggle { font-size: 0.9rem; line-height: 1; }

/* Offline banner */
.offline-banner { display: none; align-items: center; gap: 8px; padding: 8px 16px; background: var(--warning); color: #1a1d23; font-size: 0.85rem; font-weight: 500; position: sticky; top: 0; z-index: 10; }
.offline-banner:not([hidden]) { display: flex; }
.offline-banner-dot { width: 8px; height: 8px; border-radius: 50%; background: #1a1d23; flex-shrink: 0; }
[data-theme="light"] .offline-banner { background: var(--warning); color: #fff; }
[data-theme="light"] .offline-banner-dot { background: #fff; }
button.offline { opacity: 0.5; cursor: not-allowed; }

/* SW update banner — shown when a new service worker is waiting */
.sw-update-banner { display: none; align-items: center; gap: 12px; padding: 8px 16px; background: var(--accent); color: #1a1d23; font-size: 0.85rem; font-weight: 500; position: sticky; top: 0; z-index: 10; }
.sw-update-banner:not([hidden]) { display: flex; }
.sw-update-banner-text { flex: 1; }
#sw-update-reload { background: transparent; color: #1a1d23; border: 1px solid #1a1d23; padding: 3px 10px; font-size: 0.8rem; font-weight: 600; border-radius: 4px; cursor: pointer; line-height: 1.2; }
#sw-update-reload:hover { background: rgba(26,29,35,0.12); }
[data-theme="light"] .sw-update-banner { background: var(--accent); color: #fff; }
[data-theme="light"] #sw-update-reload { color: #fff; border-color: #fff; }
[data-theme="light"] #sw-update-reload:hover { background: rgba(255,255,255,0.18); }

/* Conformance verdict block — site-level summary on the Summary tab */
.verdict-block { background: var(--bg-surface); border: 1px solid var(--border); border-left-width: 4px; border-radius: var(--radius); padding: 16px 20px; margin-bottom: 24px; }
.verdict-block.verdict-pass { border-left-color: var(--success); }
.verdict-block.verdict-warn { border-left-color: var(--warning); }
.verdict-block.verdict-fail { border-left-color: var(--error); }
.verdict-title { font-size: 0.95rem; font-weight: 600; color: var(--fg); margin-bottom: 12px; text-transform: uppercase; letter-spacing: 0.03em; }
.verdict-row { display: flex; justify-content: space-between; align-items: baseline; padding: 4px 0; font-size: 0.92rem; }
.verdict-row .verdict-label { color: var(--fg-dim); }
.verdict-row .verdict-value { font-family: var(--mono); font-weight: 600; color: var(--fg); }
.verdict-warning { margin-top: 12px; padding: 8px 12px; background: rgba(255,222,102,0.12); border: 1px solid rgba(255,222,102,0.4); border-radius: 6px; font-size: 0.85rem; color: var(--warning); }
[data-theme="light"] .verdict-warning { background: rgba(154,103,0,0.08); border-color: rgba(154,103,0,0.3); color: var(--warning); }

/* Export section — download buttons at the bottom of the Summary view */
.export-section { display: flex; gap: 12px; margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--border); flex-wrap: wrap; }
.export-btn { background: var(--bg-raised); color: var(--fg); border: 1px solid var(--border); border-radius: 6px; padding: 6px 14px; font-size: 0.85rem; font-weight: 500; cursor: pointer; }
.export-btn:hover { border-color: var(--accent); color: var(--accent); background: rgba(91,187,255,0.08); }
[data-theme="light"] .export-btn:hover { background: rgba(31,111,235,0.08); }

/* Compliance view */
.section-heading { font-size: 0.85rem; color: var(--fg-dim); text-transform: uppercase; letter-spacing: 0.05em; margin: 24px 0 12px; }
.section-heading:first-child { margin-top: 0; }
.badge.level-a { background: rgba(63,185,80,0.15); color: var(--success); }
.badge.level-aa { background: rgba(255,222,102,0.18); color: var(--warning); }
.badge.level-aaa { background: rgba(248,81,73,0.15); color: var(--error); }
.badge.level-unknown { background: rgba(110,156,192,0.15); color: var(--fg-dim); }
[data-theme="light"] .badge.level-a { background: rgba(26,127,55,0.1); }
[data-theme="light"] .badge.level-aa { background: rgba(154,103,0,0.1); }
[data-theme="light"] .badge.level-aaa { background: rgba(207,34,46,0.1); }
.compliance-table { font-size: 0.9rem; margin-bottom: 8px; }
.compliance-table code { font-family: var(--mono); font-size: 0.78rem; color: var(--fg-dim); background: var(--bg-raised); padding: 1px 6px; border-radius: 4px; }
.compliance-table td.audit-tags code { margin: 0 4px 2px 0; display: inline-block; }
.compliance-notes { background: var(--bg-surface); border: 1px solid var(--border); border-left: 3px solid var(--accent); border-radius: var(--radius); padding: 12px 16px; margin-top: 20px; font-size: 0.88rem; color: var(--fg-dim); }
.compliance-notes strong { color: var(--fg); display: block; margin-bottom: 6px; }
.compliance-notes ul { margin-left: 20px; }
.compliance-notes li { margin: 4px 0; }

/* WCAG per-SC row status coloring */
.wcag-status-failed   { color: var(--error);   font-weight: 600; }
.wcag-status-passed   { color: var(--success); }
.wcag-status-manual   { color: var(--warning); }
.wcag-status-na       { color: var(--fg-dim); }
.wcag-row.passing     { opacity: 0.55; }
.wcag-row.passing:hover { opacity: 1; }
.wcag-filter-bar      { flex-wrap: wrap; }
.wcag-filter-bar label { font-weight: 400; }

/* Severity badges (axe-core impact tiers: critical > serious > moderate > minor) */
.severity-badge { display: inline-block; padding: 1px 8px; border-radius: 10px; font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; margin-left: 4px; vertical-align: middle; }
.severity-critical { background: rgba(248,81,73,0.2);   color: var(--error); }
.severity-serious  { background: rgba(248,140,73,0.2);  color: #f08c49; }
.severity-moderate { background: rgba(255,222,102,0.2); color: var(--warning); }
.severity-minor    { background: rgba(110,156,192,0.15); color: var(--fg-dim); }
[data-theme="light"] .severity-critical { background: rgba(207,34,46,0.12); }
[data-theme="light"] .severity-serious  { background: rgba(204,102,34,0.12); color: #a55b1a; }
[data-theme="light"] .severity-moderate { background: rgba(154,103,0,0.12); }
[data-theme="light"] .severity-minor    { background: rgba(87,96,106,0.12); }

/* Trends */
.trends-controls { display: flex; gap: 16px; align-items: center; margin-bottom: 16px; flex-wrap: wrap; }
.trends-controls label { display: flex; align-items: center; gap: 8px; color: var(--fg); font-weight: 500; }
.trends-controls select { min-width: 200px; }
.trends-chart { background: var(--bg-surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; min-height: 300px; display: flex; flex-direction: column; gap: 8px; }
.trends-chart svg { width: 100%; height: auto; max-height: 320px; }
.trends-meta { font-size: 0.8rem; color: var(--fg-dim); text-align: right; }
.trends-empty { text-align: center; padding: 48px 24px; color: var(--fg-dim); background: var(--bg-surface); border: 1px solid var(--border); border-radius: var(--radius); }
.trends-empty h3 { font-size: 1.05rem; margin-bottom: 8px; color: var(--fg); }
.trends-empty p { max-width: 520px; margin: 0 auto; }
.trends-empty code { font-family: var(--mono); font-size: 0.85rem; color: var(--accent); background: var(--bg-raised); padding: 1px 6px; border-radius: 4px; }

/* Reviews */
.review-target-bar { background: var(--bg-surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px 16px; margin: 16px 0; }
.review-target-bar label { display: flex; align-items: center; gap: 8px; color: var(--fg); font-weight: 500; }
.review-target-bar input { flex: 1; min-width: 240px; }
.review-list { display: flex; flex-direction: column; gap: 8px; }
.review-row { background: var(--bg-surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px 14px; display: flex; flex-direction: column; gap: 8px; }
.review-row:hover { border-color: var(--fg-dim); }
.review-row-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-size: 0.9rem; }
.review-principle { color: var(--fg-dim); font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.04em; }
.review-title { color: var(--fg); flex: 1; min-width: 0; }
.review-status { font-size: 0.75rem; font-weight: 700; padding: 2px 10px; border-radius: 12px; }
.review-status-pass    { background: rgba(63,185,80,0.18);  color: var(--success); }
.review-status-fail    { background: rgba(248,81,73,0.18);  color: var(--error); }
.review-status-na      { background: rgba(110,156,192,0.18); color: var(--fg-dim); }
.review-status-pending { background: rgba(255,222,102,0.18); color: var(--warning); }
[data-theme="light"] .review-status-pass    { background: rgba(26,127,55,0.10); }
[data-theme="light"] .review-status-fail    { background: rgba(207,34,46,0.10); }
[data-theme="light"] .review-status-na      { background: rgba(87,96,106,0.10); }
[data-theme="light"] .review-status-pending { background: rgba(154,103,0,0.10); }
.review-form { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.review-form select { min-width: 110px; }
.review-form input[type="text"] { flex: 1; min-width: 140px; padding: 6px 10px; font-size: 0.85rem; }
.review-form button { padding: 6px 16px; font-size: 0.85rem; }

/* Issue cards */
.issue-card { background: var(--bg-surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; margin-bottom: 12px; cursor: pointer; transition: border-color 0.15s; }
.issue-card:hover { border-color: var(--fg-dim); }
.issue-card h3 { font-size: 1rem; margin-bottom: 4px; }
.issue-card .meta { font-size: 0.85rem; color: var(--fg-dim); margin-bottom: 8px; }
.issue-card .meta code { font-family: var(--mono); font-size: 0.8rem; color: var(--fg-dim); }
.issue-card .desc { font-size: 0.85rem; color: var(--fg-dim); margin-bottom: 8px; }
.issue-card .affected { font-size: 0.82rem; color: var(--fg-dim); }
.issue-card .affected span { color: var(--accent); }

/* Detail panel */
.detail-panel { background: var(--bg-surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.detail-panel h2 { font-size: 1.1rem; margin-bottom: 12px; }
.back-link { color: var(--accent); cursor: pointer; font-size: 0.85rem; margin-bottom: 12px; display: inline-block; }
.back-link:hover { text-decoration: underline; }
.snippet { background: var(--bg); border: 1px solid var(--border); border-radius: 4px; padding: 8px 12px; font-family: var(--mono); font-size: 0.8rem; margin: 4px 0; overflow-x: auto; white-space: pre-wrap; word-break: break-all; }
.occ-block { margin-bottom: 16px; padding-bottom: 16px; border-bottom: 1px solid var(--border); }
.occ-block:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.item-row { margin: 6px 0 6px 12px; }
.item-row .sel { font-size: 0.82rem; color: var(--fg-dim); }