*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#F6F8FA;--surface:#FFFFFF;--ink:#0B1220;--muted:#5B6472;
  --accent:#0E7C7B;--accent-hover:#0a6564;--border:#E3E8EF;
  --critical:#D64545;--warning:#E8A13C;--info:#4A7CCB;--ok:#3B9E6D;
  --radius:10px;--radius-sm:6px;
  --font-display:'Space Grotesk',system-ui,sans-serif;
  --font-body:Inter,system-ui,sans-serif;
  --font-mono:'IBM Plex Mono',ui-monospace,monospace;
  --shadow-sticky:0 4px 24px rgba(11,18,32,.08);
  --focus:0 0 0 3px rgba(14,124,123,.35);
}
html{scroll-behavior:smooth}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
}
body{font-family:var(--font-body);background:var(--bg);color:var(--ink);line-height:1.55;min-height:100vh;display:flex;flex-direction:column;font-size:15px}
:focus{outline:none}
:focus-visible{outline:none;box-shadow:var(--focus)}
.container-narrow{max-width:720px;margin:0 auto;padding:0 1.25rem;width:100%}
.container-wide{max-width:1360px;margin:0 auto;padding:0 2rem;width:100%}
@media(max-width:1440px){.container-wide{padding:0 1.5rem}}
.header{background:var(--surface);border-bottom:1px solid var(--border);padding:.85rem 0;position:sticky;top:0;z-index:100}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem}
.header-nav a{font-size:.85rem;color:var(--muted);text-decoration:none;font-weight:500}
.header-nav a:hover,.header-nav a[aria-current="page"]{color:var(--accent)}
.logo{display:inline-flex;align-items:center;text-decoration:none}
.logo-img{display:block;height:40px;width:auto}
main{flex:1;padding:2rem 0 3rem}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem 1.35rem;margin-bottom:1rem}
.section-title{font-family:var(--font-display);font-size:1rem;font-weight:600;margin-bottom:.85rem;color:var(--ink)}
.hero{text-align:center;padding:1rem 0 2rem}
.hero h1{font-family:var(--font-display);font-size:clamp(1.65rem,4vw,2.35rem);font-weight:600;line-height:1.15;margin-bottom:.65rem;letter-spacing:-.02em}
.subtitle{color:var(--muted);max-width:520px;margin:0 auto 1.75rem;font-size:.95rem}
.scan-form{text-align:left}
.url-input{width:100%;padding:.85rem 1rem;border:1px solid var(--border);border-radius:var(--radius);font-size:1rem;margin-bottom:.85rem;background:var(--surface);color:var(--ink)}
.url-input:focus-visible{border-color:var(--accent)}
.form-row{display:flex;gap:.75rem;align-items:stretch;flex-wrap:wrap}
.segment-control{display:flex;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;flex:1;min-width:200px}
.segment-control button{flex:1;padding:.7rem .5rem;border:none;background:var(--surface);color:var(--muted);font-size:.82rem;font-weight:500;cursor:pointer;transition:background .15s,color .15s}
.segment-control button[aria-checked="true"]{background:var(--accent);color:#fff}
.btn-primary{padding:.75rem 1.35rem;background:var(--accent);color:#fff;border:none;border-radius:var(--radius);font-size:.95rem;font-weight:600;cursor:pointer;min-width:130px}
.btn-primary:hover{background:var(--accent-hover)}
.btn-primary:disabled{opacity:.55;cursor:not-allowed}
.btn-ghost,.btn-outline{padding:.45rem .85rem;border:1px solid var(--border);background:var(--surface);color:var(--ink);border-radius:var(--radius-sm);font-size:.8rem;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;gap:.35rem}
.btn-ghost:hover,.btn-outline:hover{border-color:var(--accent);color:var(--accent)}
.error-msg{color:var(--critical);margin-top:.75rem;font-size:.88rem;text-align:left}
.error-panel{border-color:rgba(214,69,69,.35);background:#fef8f8}
@media(max-width:640px){.form-row{flex-direction:column}.segment-control{min-width:100%}}
.scanning-panel{max-width:640px;margin:2rem auto}
.scan-counter{font-family:var(--font-display);font-size:2.5rem;font-weight:600;color:var(--ink);margin:.5rem 0}
.scan-counter span{font-variant-numeric:tabular-nums}
.scan-stage{color:var(--muted);font-size:.9rem;margin-bottom:1rem}
.progress-bar-wrap{background:var(--border);border-radius:999px;height:6px;overflow:hidden;margin-bottom:1.25rem}
.progress-bar{background:var(--accent);height:100%;border-radius:999px;transition:width .25s ease}
.url-log{font-family:var(--font-mono);font-size:.72rem;border:1px solid var(--border);border-radius:var(--radius-sm);padding:.65rem;background:#fafbfc;min-height:7.5rem}
.url-log-line{padding:.2rem 0;border-bottom:1px dashed var(--border);word-break:break-all}
.url-log-line:last-child{border-bottom:none}
.diag-bar{position:sticky;top:52px;z-index:90;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:.65rem 1rem;margin-bottom:1rem;box-shadow:var(--shadow-sticky)}
.diag-bar-inner{display:flex;flex-wrap:wrap;align-items:center;gap:.75rem 1.25rem}
.diag-domain{font-family:var(--font-display);font-weight:600;font-size:.95rem;max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.diag-scores{display:flex;gap:.75rem;align-items:center}
.mini-gauge{display:flex;align-items:baseline;gap:.35rem;font-size:.8rem}
.mini-gauge strong{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:1rem}
.sev-dots{display:flex;gap:.65rem;font-size:.78rem;color:var(--muted)}
.sev-dot{display:inline-flex;align-items:center;gap:.3rem;font-variant-numeric:tabular-nums}
.sev-dot::before{content:'';width:7px;height:7px;border-radius:50%}
.sev-dot.critical::before{background:var(--critical)}
.sev-dot.warning::before{background:var(--warning)}
.sev-dot.info::before{background:var(--info)}
.diag-actions{margin-left:auto;display:flex;flex-wrap:wrap;gap:.4rem}
.anchor-nav{display:flex;flex-wrap:wrap;gap:.35rem;width:100%;padding-top:.5rem;border-top:1px solid var(--border);margin-top:.25rem}
.anchor-nav button{padding:.28rem .55rem;border:1px solid transparent;background:transparent;border-radius:999px;font-size:.72rem;color:var(--muted);cursor:pointer}
.anchor-nav button.active,.anchor-nav button:hover{border-color:var(--border);color:var(--accent);background:#f0fafa}
@media(max-width:768px){
  .diag-actions{margin-left:0;width:100%}
  .diag-domain{max-width:100%}
}
.report-grid-top{display:grid;grid-template-columns:1fr 1.4fr;gap:1rem;margin-bottom:1rem}
@media(max-width:1099px){.report-grid-top{grid-template-columns:1fr}}
.gauges-card{display:grid;grid-template-columns:1fr 1fr;gap:1rem;align-items:center}
.gauge-wrap{text-align:center;padding:.5rem}
.gauge-arc{width:160px;height:160px;border-radius:50%;margin:0 auto;position:relative;background:conic-gradient(from 225deg,var(--gauge-color) calc(var(--score)*2.7deg),#E3E8EF 0);mask:radial-gradient(farthest-side,transparent calc(100% - 18px),#000 calc(100% - 17px));-webkit-mask:radial-gradient(farthest-side,transparent calc(100% - 18px),#000 calc(100% - 17px))}
.gauge-arc-inner{position:absolute;inset:18px;border-radius:50%;background:var(--surface);display:grid;place-items:center}
.gauge-score{font-family:var(--font-display);font-size:2rem;font-weight:600;line-height:1;margin-top:.35rem;font-variant-numeric:tabular-nums}
.gauge-verdict{font-size:.78rem;font-weight:600;margin-top:.15rem}
.gauge-verdict.good{color:var(--ok)}.gauge-verdict.mid{color:var(--warning)}.gauge-verdict.bad{color:var(--critical)}
.gauge-label{font-size:.75rem;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.breakdown-row{display:grid;grid-template-columns:minmax(90px,1fr) 2fr auto;gap:.65rem;align-items:center;margin-bottom:.55rem;font-size:.82rem;cursor:pointer;padding:.35rem;border-radius:var(--radius-sm)}
.breakdown-row:hover,.breakdown-row.active{background:#f4f8f8}
.breakdown-track{background:var(--border);border-radius:999px;height:7px;overflow:hidden}
.breakdown-fill{height:100%;border-radius:999px;background:var(--accent)}
.breakdown-fill.score-bad{background:var(--critical)}.breakdown-fill.score-mid{background:var(--warning)}.breakdown-fill.score-good{background:var(--ok)}
.breakdown-meta{font-family:var(--font-mono);font-size:.72rem;color:var(--muted);white-space:nowrap;font-variant-numeric:tabular-nums}
.stats-row{display:grid;grid-template-columns:repeat(6,1fr);gap:.65rem;margin-bottom:1rem}
@media(max-width:900px){.stats-row{grid-template-columns:repeat(3,1fr)}}
@media(max-width:480px){.stats-row{grid-template-columns:repeat(2,1fr)}}
.stat{padding:.85rem .65rem;text-align:center;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface)}
.stat-num{display:block;font-family:var(--font-mono);font-size:1.35rem;font-weight:600;font-variant-numeric:tabular-nums;line-height:1.2}
.stat-label{font-size:.68rem;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;margin-top:.25rem}
.stat.critical .stat-num{color:var(--critical)}.stat.warning .stat-num{color:var(--warning)}.stat.info .stat-num{color:var(--info)}
.report-grid-mid{display:grid;grid-template-columns:2fr 1fr;gap:1rem;margin-bottom:1rem}
@media(max-width:1099px){.report-grid-mid{grid-template-columns:1fr}}
.priority-item{border:1px solid var(--border);border-radius:var(--radius-sm);padding:.75rem;margin-bottom:.55rem;background:#fafbfc}
.priority-item.critical{border-left:3px solid var(--critical)}
.priority-item.warning{border-left:3px solid var(--warning)}
.priority-head{display:flex;gap:.55rem;align-items:flex-start;cursor:pointer}
.sev-icon{width:22px;height:22px;border-radius:50%;flex-shrink:0;display:grid;place-items:center;font-size:.65rem;font-weight:700;color:#fff}
.sev-icon.critical{background:var(--critical)}.sev-icon.warning{background:var(--warning)}.sev-icon.info{background:var(--info)}
.count-badge{font-family:var(--font-mono);font-size:.68rem;padding:.1rem .4rem;border-radius:999px;background:var(--border);margin-left:auto;white-space:nowrap}
.priority-item p{font-size:.82rem;color:var(--muted);margin-top:.35rem}
.priority-urls{list-style:none;margin:.55rem 0 0;padding:0;overflow:hidden;transition:max-height .25s ease}
.priority-urls li{margin-bottom:.25rem}
.priority-urls a{font-family:var(--font-mono);font-size:.72rem;color:var(--accent);word-break:break-all;cursor:pointer;text-decoration:underline}
.tech-checklist{font-size:.82rem}
.tech-row{display:flex;justify-content:space-between;padding:.4rem 0;border-bottom:1px solid var(--border)}
.tech-row:last-child{border-bottom:none}
.ok-mark{color:var(--ok);font-weight:700}.bad-mark{color:var(--critical);font-weight:700}
.accordions-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1rem}
@media(max-width:768px){.accordions-grid{grid-template-columns:1fr}}
.accordion-btn{width:100%;text-align:left;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:.85rem 1rem;font-family:var(--font-display);font-weight:600;font-size:.88rem;cursor:pointer;display:flex;justify-content:space-between;align-items:center}
.accordion-btn[aria-expanded="true"]{border-color:var(--accent);background:#f4fafa}
.accordion-panel{border:1px solid var(--border);border-top:none;border-radius:0 0 var(--radius) var(--radius);padding:1rem;margin-top:-1rem;margin-bottom:1rem;font-size:.85rem;color:var(--muted)}
.accordion-full{grid-column:1/-1}
.table-controls{display:flex;flex-wrap:wrap;gap:.65rem;align-items:center;margin-bottom:.85rem;justify-content:space-between}
.search-input{padding:.5rem .75rem;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:.85rem;min-width:220px;background:var(--surface)}
.filter-chips{display:flex;flex-wrap:wrap;gap:.35rem}
.filter-chips button{padding:.32rem .62rem;border:1px solid var(--border);background:var(--surface);border-radius:999px;font-size:.72rem;cursor:pointer;color:var(--muted)}
.filter-chips button.active{background:var(--accent);color:#fff;border-color:var(--accent)}
.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius)}
.pages-table{width:100%;border-collapse:collapse;font-size:.8rem}
.pages-table thead{position:sticky;top:0;z-index:2;background:#f4f7fa}
.pages-table th,.pages-table td{padding:.55rem .5rem;border-bottom:1px solid var(--border);text-align:left}
.pages-table th{font-size:.72rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-weight:600;white-space:nowrap}
.pages-table th.num,.pages-table td.num{text-align:right;font-family:var(--font-mono);font-variant-numeric:tabular-nums}
.pages-table tbody tr:nth-child(even):not(.row-unavailable){background:#fafbfc}
.page-row{cursor:pointer;transition:background .12s}
.page-row:hover{background:#eef7f7!important}
.page-row.row-active{outline:2px solid var(--accent);outline-offset:-2px}
.row-unavailable{opacity:.5}
.url-cell{max-width:240px;font-family:var(--font-mono);font-size:.72rem}
.title-cell{max-width:160px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--muted)}
.status-badge{font-family:var(--font-mono);font-size:.7rem;padding:.12rem .38rem;border-radius:var(--radius-sm);background:var(--border);font-variant-numeric:tabular-nums}
.status-error{background:#fdeaea;color:var(--critical)}
.score-badge{font-family:var(--font-mono);font-size:.72rem;font-variant-numeric:tabular-nums}
.score-bad{color:var(--critical)}.score-mid{color:var(--warning)}.score-good{color:var(--ok)}
.empty-filter{text-align:center;padding:2rem;color:var(--muted);font-size:.9rem}
.mobile-cards{display:none}
@media(max-width:768px){
  .pages-table-wrap{display:none}
  .mobile-cards{display:grid;gap:.65rem}
  .page-card{border:1px solid var(--border);border-radius:var(--radius);padding:.85rem;background:var(--surface);cursor:pointer}
  .page-card.row-unavailable{opacity:.55}
  .page-card-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:.45rem;margin-top:.55rem;font-size:.72rem}
  .page-card-metrics span{display:block;color:var(--muted);font-size:.65rem}
  .page-card-metrics strong{font-family:var(--font-mono);font-variant-numeric:tabular-nums}
}
.drawer-overlay{position:fixed;inset:0;background:rgba(11,18,32,.35);z-index:200;display:flex;justify-content:flex-end}
.drawer-panel{width:min(560px,100vw);height:100%;background:var(--surface);border-left:1px solid var(--border);overflow-y:auto;padding:1.25rem;box-shadow:-8px 0 32px rgba(11,18,32,.12)}
.drawer-header{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem;margin-bottom:1rem;padding-bottom:.75rem;border-bottom:1px solid var(--border)}
.drawer-url{font-family:var(--font-mono);font-size:.72rem;word-break:break-all;color:var(--muted)}
.drawer-close{border:none;background:transparent;font-size:1.4rem;cursor:pointer;color:var(--muted);line-height:1;padding:.25rem}
.preview-row{display:grid;grid-template-columns:1fr;gap:.85rem;margin-bottom:1rem}
@media(min-width:520px){.preview-row{grid-template-columns:1fr 1fr}}
.serp-preview,.og-preview{border:1px solid var(--border);border-radius:var(--radius-sm);padding:.75rem;background:#fff}
.serp-site{font-size:.72rem;color:#5f6368}
.serp-title{color:#1a0dab;font-size:1rem;line-height:1.3;margin:.15rem 0}
.serp-desc{color:#4d5156;font-size:.82rem}
.serp-warn{color:var(--warning)}
.og-img{width:100%;max-height:110px;object-fit:cover;border-radius:var(--radius-sm);margin-bottom:.45rem}
.og-placeholder{background:var(--bg);padding:1.5rem;text-align:center;color:var(--muted);border-radius:var(--radius-sm);margin-bottom:.45rem;font-size:.8rem}
.advice{padding:.55rem .7rem;margin-bottom:.45rem;border-radius:var(--radius-sm);border:1px solid var(--border);font-size:.82rem}
.advice.critical{border-left:3px solid var(--critical);background:#fef8f8}
.advice.warning{border-left:3px solid var(--warning);background:#fffbf5}
.advice.info{border-left:3px solid var(--info);background:#f5f9ff}
.advice p{color:var(--muted);margin-top:.2rem;font-size:.78rem}
.tag{font-size:.65rem;font-weight:600;text-transform:uppercase;color:var(--accent);margin-right:.35rem}
.suggestion-item{display:flex;flex-wrap:wrap;gap:.4rem;align-items:center;margin-bottom:.45rem;font-size:.8rem}
.suggestion-item code{flex:1;min-width:180px;background:var(--bg);padding:.35rem .5rem;border-radius:var(--radius-sm);font-family:var(--font-mono);font-size:.72rem;word-break:break-all}
.copy-btn{padding:.28rem .55rem;font-size:.72rem;border:1px solid var(--border);background:var(--surface);border-radius:var(--radius-sm);cursor:pointer}
.copy-btn.copied{border-color:var(--ok);color:var(--ok)}
.compare-banner{background:#f0fafa;border:1px solid var(--border);cursor:pointer;margin-bottom:1rem}
.compare-detail{margin-top:.65rem;font-size:.82rem;color:var(--muted)}
.hist-row{display:flex;align-items:center;gap:.5rem;font-size:.82rem;margin:.25rem 0}
.hist-bar{background:var(--accent);height:10px;border-radius:2px;min-width:4px}
.skeleton{background:linear-gradient(90deg,#eceff3 25%,#f6f8fa 50%,#eceff3 75%);background-size:200% 100%;animation:shimmer 1.2s infinite;border-radius:var(--radius-sm);min-height:1rem}
@keyframes shimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}
.skeleton-block{height:120px;margin-bottom:1rem}
.footer{border-top:1px solid var(--border);padding:1.25rem 0;margin-top:auto;text-align:center;font-size:.8rem;color:var(--muted);background:var(--surface)}
.footer a{color:var(--accent);text-decoration:none}
.footer a:hover{text-decoration:underline}
.how-page{padding:2rem 0}
.how-page h1{font-family:var(--font-display);margin-bottom:1rem}
.how-page h2{font-family:var(--font-display);font-size:1rem;margin:1rem 0 .5rem;color:var(--accent)}
.how-page ul{padding-left:1.2rem;font-size:.9rem;color:var(--muted)}
.how-page li{margin-bottom:.35rem}