:root{--bg:#f7f9fa;--text:#1a1a24;--muted:#5a5a6a;--light:#94a3b8;--line:rgba(226,232,240,.5);--accent:#3b82f6;--green:#16a34a;--yellow:#d97706;--red:#dc2626;--panel:rgba(255,255,255,.7);--ease:cubic-bezier(.22,1,.36,1)}
*{box-sizing:border-box;margin:0}
body{font-family:'Inter',-apple-system,sans-serif;color:var(--text);min-height:100vh;-webkit-font-smoothing:antialiased;overflow-x:hidden;
  background:var(--bg);
  background-image:
    radial-gradient(ellipse 80% 50% at 20% 0%,rgba(59,130,246,.04),transparent),
    radial-gradient(ellipse 60% 40% at 80% 20%,rgba(139,92,246,.03),transparent),
    radial-gradient(ellipse 70% 50% at 50% 100%,rgba(14,165,233,.03),transparent)}

/* ── Breadcrumb ── */
.breadcrumb{font-size:11px;color:var(--light);font-weight:300;margin-bottom:16px}
.breadcrumb a{color:var(--light);text-decoration:none}
.breadcrumb a:hover{color:var(--accent)}

/* ── Author line ── */
.author-line{font-size:12px;color:var(--light);font-weight:400;margin-bottom:24px}
.author-line a{color:var(--accent);text-decoration:none;font-weight:500}

/* ── Ambient background ── */
.bg-ambient{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:0;overflow:hidden}
.bg-orb{position:absolute;border-radius:50%;filter:blur(120px);opacity:.3;animation:orbFloat 30s ease-in-out infinite}
.bg-orb-1{width:700px;height:700px;background:radial-gradient(circle,rgba(59,130,246,.2),transparent 70%);top:-20%;right:-10%;animation-delay:0s}
.bg-orb-2{width:600px;height:600px;background:radial-gradient(circle,rgba(139,92,246,.15),transparent 70%);bottom:0%;left:-12%;animation-delay:-10s}
.bg-orb-3{width:500px;height:500px;background:radial-gradient(circle,rgba(14,165,233,.12),transparent 70%);top:40%;right:10%;animation-delay:-20s}
@keyframes orbFloat{0%,100%{transform:translate(0,0) scale(1)}25%{transform:translate(40px,-25px) scale(1.03)}50%{transform:translate(-15px,30px) scale(0.97)}75%{transform:translate(-30px,-10px) scale(1.02)}}

/* ── Layout ── */
.wrap{max-width:940px;margin:0 auto;padding:48px 24px 80px;position:relative;z-index:1}

/* ── Hero ── */
.hero{text-align:center;padding:56px 32px 48px;margin-bottom:32px;position:relative}
.hero::before{content:'';position:absolute;inset:-1px;border-radius:32px;background:linear-gradient(135deg,rgba(59,130,246,.12),rgba(139,92,246,.08),rgba(14,165,233,.06));z-index:-1}
.hero::after{content:'';position:absolute;inset:0;border-radius:32px;background:rgba(255,255,255,.6);backdrop-filter:blur(40px);-webkit-backdrop-filter:blur(40px);border:1px solid rgba(255,255,255,.7);box-shadow:0 20px 60px rgba(0,0,0,.04);z-index:-1}
.badge{display:inline-block;padding:4px 12px;border-radius:50px;font-size:10px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;background:rgba(59,130,246,.08);color:var(--accent);margin-bottom:16px;border:1px solid rgba(59,130,246,.12)}
h1{font-size:clamp(28px,5vw,42px);font-weight:700;letter-spacing:-.04em;margin-bottom:12px;line-height:1.1}
.subtitle{color:var(--muted);font-size:15px;font-weight:300;margin-bottom:36px;line-height:1.7;max-width:600px;margin-left:auto;margin-right:auto}

/* ── Input ── */
.input-row{display:flex;gap:10px;max-width:640px;margin:0 auto 12px}
.url-input{flex:1;padding:16px 24px;border:1px solid rgba(226,232,240,.6);border-radius:50px;font-size:15px;font-family:inherit;font-weight:400;background:rgba(255,255,255,.8);backdrop-filter:blur(12px);outline:none;transition:all .3s var(--ease);box-shadow:0 4px 16px rgba(0,0,0,.03)}
.url-input:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(59,130,246,.1),0 4px 16px rgba(0,0,0,.03)}
.url-input::placeholder{color:var(--light);font-weight:300}
.scan-btn{padding:16px 36px;border:none;border-radius:50px;background:var(--text);color:#fff;font-size:14px;font-weight:600;font-family:inherit;cursor:pointer;transition:all .3s var(--ease);white-space:nowrap;box-shadow:0 4px 16px rgba(26,26,36,.12)}
.scan-btn:hover{background:#2d2d3d;transform:translateY(-2px);box-shadow:0 12px 32px rgba(26,26,36,.18)}
.scan-btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.pc-only{display:none}
@media(min-width:769px){.pc-only{display:inline}}
.scope-note{font-size:11px;color:var(--light);font-weight:300;text-align:center;margin-bottom:0;padding:0 2px}

/* ── Progress ── */
.progress{display:none;margin:32px 0 24px}.progress.active{display:block}
.progress-bar{height:4px;background:rgba(226,232,240,.5);border-radius:2px;overflow:hidden}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--accent),#8b5cf6);border-radius:2px;transition:width .4s var(--ease);width:0%}
.progress-text{font-size:12px;color:var(--light);margin-top:8px;text-align:center}

/* ── Score ── */
.score-section{display:none;margin-bottom:32px}.score-section.active{display:flex;gap:16px;flex-wrap:wrap}
.score-card{flex:1;min-width:260px;background:rgba(255,255,255,.45);backdrop-filter:blur(24px);border:1px solid rgba(255,255,255,.6);border-radius:24px;padding:32px;text-align:center;box-shadow:0 8px 32px rgba(0,0,0,.05)}
.score-ring{position:relative;width:140px;height:140px;margin:0 auto 16px}
.score-ring svg{width:100%;height:100%;transform:rotate(-90deg)}
.score-ring .bg{fill:none;stroke:#e2e8f0;stroke-width:10}
.score-ring .fg{fill:none;stroke-width:10;stroke-linecap:round;transition:stroke-dashoffset 1.5s var(--ease),stroke .5s}
.score-number{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:42px;font-weight:700;letter-spacing:-.03em}
.score-number span{font-size:18px;font-weight:400;color:var(--light)}
.score-label{font-size:13px;color:var(--muted);font-weight:400}
.score-grade{font-size:18px;font-weight:600;margin-top:4px}
.score-summary{flex:1;min-width:260px;background:rgba(255,255,255,.45);backdrop-filter:blur(24px);border:1px solid rgba(255,255,255,.6);border-radius:24px;padding:28px;box-shadow:0 8px 32px rgba(0,0,0,.05)}
.summary-title{font-size:14px;font-weight:600;margin-bottom:16px;letter-spacing:-.01em}
.summary-row{display:flex;align-items:center;gap:10px;padding:8px 0;border-top:1px solid var(--line)}
.summary-row:first-of-type{border-top:none}
.summary-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}
.summary-cat{font-size:13px;font-weight:400;flex:1}
.summary-val{font-size:13px;font-weight:600;white-space:nowrap}

/* ── Results ── */
.results{display:none}.results.active{display:block}
.category{background:rgba(255,255,255,.4);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.6);border-radius:20px;padding:24px;margin-bottom:14px;box-shadow:0 4px 16px rgba(0,0,0,.03);transition:box-shadow .3s var(--ease)}
.category:hover{box-shadow:0 8px 32px rgba(0,0,0,.06)}
.category-head{display:flex;align-items:center;gap:12px;margin-bottom:4px;cursor:pointer;user-select:none}
.category-head .chevron{width:18px;height:18px;color:var(--light);transition:transform .3s var(--ease);flex-shrink:0}
.category-head .chevron.collapsed{transform:rotate(-90deg)}
.category-title{font-size:15px;font-weight:600;letter-spacing:-.01em}
.category-score{margin-left:auto;font-size:12px;font-weight:600;padding:4px 12px;border-radius:50px}
.category-items{overflow:hidden;transition:max-height .4s var(--ease);max-height:2000px}
.category-items.collapsed{max-height:0}
.check-item{display:flex;align-items:flex-start;gap:12px;padding:12px 0;border-top:1px solid var(--line)}
.check-icon{width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:12px;font-weight:700}
.check-icon.pass{background:rgba(22,163,74,.1);color:var(--green)}
.check-icon.warn{background:rgba(217,119,6,.1);color:var(--yellow)}
.check-icon.fail{background:rgba(220,38,38,.1);color:var(--red)}
.check-body{flex:1}
.check-name{font-size:13px;font-weight:500;margin-bottom:2px}
.check-detail{font-size:12px;color:var(--muted);font-weight:300;line-height:1.6}
.check-fix{font-size:12px;color:var(--accent);font-weight:500;margin-top:4px}

/* ── PDF / CTA ── */
.pdf-section{display:none;text-align:center;margin-top:28px}
.pdf-section.active{display:block}
.pdf-btn{display:inline-flex;align-items:center;gap:8px;padding:14px 36px;border:1px solid rgba(226,232,240,.6);border-radius:50px;background:rgba(255,255,255,.7);backdrop-filter:blur(12px);color:var(--text);font-size:14px;font-weight:600;font-family:inherit;cursor:pointer;transition:all .3s var(--ease);box-shadow:0 4px 16px rgba(0,0,0,.04)}
.pdf-btn:hover{background:var(--text);color:#fff;transform:translateY(-2px);box-shadow:0 12px 32px rgba(26,26,36,.15)}
.pdf-icon{font-size:18px}
.cta-section{display:none;margin-top:20px;text-align:center;padding:40px 32px;position:relative;border-radius:24px;overflow:hidden}
.cta-section.active{display:block}
.cta-section::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(59,130,246,.06),rgba(139,92,246,.05),rgba(14,165,233,.04));border:1px solid rgba(59,130,246,.12);border-radius:24px;z-index:-1}
.cta-section h3{font-size:22px;font-weight:600;margin-bottom:8px;letter-spacing:-.02em}
.cta-section p{font-size:14px;color:var(--muted);font-weight:300;margin-bottom:24px;line-height:1.7}
.cta-btn{display:inline-block;padding:14px 36px;background:var(--accent);color:#fff;border:none;border-radius:50px;font-size:14px;font-weight:600;font-family:inherit;text-decoration:none;cursor:pointer;transition:all .3s var(--ease);box-shadow:0 4px 20px rgba(59,130,246,.2)}
.cta-btn:hover{background:#2563eb;transform:translateY(-2px);box-shadow:0 12px 32px rgba(59,130,246,.3)}

/* ── FAQ ── */
.faq-section{margin-top:40px;padding:32px;background:rgba(255,255,255,.35);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.6);border-radius:24px;box-shadow:0 4px 16px rgba(0,0,0,.03)}
.faq-section h2{font-size:18px;font-weight:600;letter-spacing:-.02em;margin-bottom:20px}
.faq-section details{border-top:1px solid var(--line)}
.faq-section details:first-of-type{border-top:none}
.faq-section summary{font-size:14px;font-weight:500;padding:14px 0;color:var(--text);cursor:pointer;list-style:none;display:flex;align-items:center;gap:8px}
.faq-section summary::-webkit-details-marker{display:none}
.faq-section summary::before{content:'Q.';color:var(--accent);font-weight:700;flex-shrink:0}
.faq-section summary::after{content:'+';margin-left:auto;color:var(--light);font-size:18px;font-weight:300;transition:transform .3s var(--ease)}
.faq-section details[open] summary::after{content:'';transform:rotate(45deg)}
.faq-answer{font-size:13px;font-weight:300;color:var(--muted);line-height:1.8;padding:0 0 16px 28px;position:relative}
.faq-answer::before{content:'A.';position:absolute;left:0;top:0;color:var(--green);font-weight:700;font-size:14px}

/* ── Related Articles ── */
.related-section{margin-top:32px}
.related-section h2{font-size:18px;font-weight:600;letter-spacing:-.02em;margin-bottom:16px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.related-card{display:block;padding:24px;background:rgba(255,255,255,.4);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.6);border-radius:20px;box-shadow:0 4px 16px rgba(0,0,0,.03);text-decoration:none;color:var(--text);transition:all .3s var(--ease)}
.related-card:hover{transform:translateY(-3px);box-shadow:0 12px 32px rgba(0,0,0,.06);background:rgba(255,255,255,.7)}
.related-tag{display:inline-block;padding:3px 10px;border-radius:50px;font-size:10px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;background:rgba(59,130,246,.08);color:var(--accent);border:1px solid rgba(59,130,246,.12);margin-bottom:12px}
.related-card h3{font-size:14px;font-weight:600;letter-spacing:-.01em;line-height:1.5;margin-bottom:8px}
.related-card p{font-size:12px;font-weight:300;color:var(--muted);line-height:1.6;margin:0}
@media(max-width:768px){.related-grid{grid-template-columns:1fr}}

/* ── Footer ── */
.footer{margin-top:56px;text-align:center;font-size:11px;color:var(--light);font-weight:300;line-height:1.8}
.footer-logo{display:block;margin:0 auto 12px;opacity:.5;transition:opacity .3s var(--ease)}
.footer-logo:hover{opacity:.8}
.footer-logo img{display:block;margin:0 auto}
.footer a{color:var(--accent);text-decoration:none}

/* ── Responsive ── */
@media(max-width:768px){
  .wrap{padding:24px 16px 60px}
  .hero{padding:36px 20px 32px;border-radius:24px}
  .hero::before,.hero::after{border-radius:24px}
  h1{font-size:28px}
  .subtitle{font-size:14px;margin-bottom:28px}
  .input-row{flex-direction:column}
  .scan-btn{width:100%;padding:14px}
  .url-input{padding:14px 18px;font-size:14px}
  .score-section.active{flex-direction:column}
  .score-card{padding:24px}
  .score-ring{width:120px;height:120px}
  .score-number{font-size:36px}
  .category{padding:18px;border-radius:16px}
  .category-title{font-size:14px}
  .check-item{gap:10px;padding:10px 0}
  .check-icon{width:24px;height:24px;font-size:11px}
  .check-name{font-size:12px}
  .check-detail{font-size:11px}
  .check-fix{font-size:11px}
  .cta-section{padding:32px 20px;border-radius:20px}
  .cta-section h3{font-size:18px}
  .pdf-btn{padding:12px 28px;font-size:13px}
  .bg-orb-1{width:350px;height:350px}
  .bg-orb-2{width:280px;height:280px}
  .bg-orb-3{width:220px;height:220px}
}
@media(max-width:400px){
  .wrap{padding:16px 12px 48px}
  .hero{padding:28px 16px 24px}
  h1{font-size:24px}
  .subtitle{font-size:13px}
  .scope-note{font-size:10px}
}

/* ── Print layout ── */
#printReport{display:none}
@media print{
  body>*{display:none!important}
  #printReport{display:block!important;position:absolute;top:0;left:0;width:100%;background:#fff;color:#1a1a24;font-size:11px}
  @page{size:A4 landscape;margin:12mm 16mm}
  #printReport *{color-adjust:exact;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  .print-header{display:flex;justify-content:space-between;align-items:flex-start;padding-bottom:12px;border-bottom:2px solid #cbd5e1;margin-bottom:16px}
  .print-title{font-size:18px;font-weight:700;letter-spacing:-.03em}
  .print-subtitle{font-size:10px;color:#64748b;margin-top:3px}
  .print-meta{text-align:right;font-size:9px;color:#64748b;line-height:1.7}
  .print-score-row{display:flex;gap:20px;margin-bottom:16px}
  .print-score-box{width:140px;text-align:center;padding:16px;background:#f8fafc;border:1px solid #e2e8f0;border-radius:12px}
  .print-score-num{font-size:42px;font-weight:700;line-height:1}
  .print-score-of{font-size:13px;color:#94a3b8}
  .print-score-grade{font-size:14px;font-weight:600;margin-top:6px}
  .print-summary{flex:1}
  .print-summary table{width:100%;border-collapse:collapse}
  .print-summary th{padding:4px 8px;font-size:9px;text-align:center;font-weight:600;color:#94a3b8;border-bottom:1px solid #e2e8f0;background:#f8fafc}
  .print-summary th:first-child{text-align:left}
  .print-summary td{padding:4px 8px;font-size:10px;border-bottom:1px solid #f1f5f9}
  .print-summary td:not(:first-child){text-align:center}
  .print-detail{margin-top:14px}
  .print-detail table{width:100%;border-collapse:collapse}
  .print-detail th{padding:4px 6px;font-size:8px;text-align:left;font-weight:600;color:#94a3b8;border-bottom:1px solid #e2e8f0;background:#f8fafc}
  .print-detail td{padding:3px 6px;font-size:9px;border-bottom:1px solid #f8fafc;vertical-align:top;line-height:1.5}
  .print-cat-header td{font-size:10px;font-weight:700;background:#f1f5f9;border-bottom:1px solid #e2e8f0;padding:6px}
  .print-status{display:inline-block;padding:1px 6px;border-radius:8px;font-size:8px;font-weight:700}
  .print-status.pass{background:#dcfce7;color:#16a34a}
  .print-status.warn{background:#fef3c7;color:#d97706}
  .print-status.fail{background:#fee2e2;color:#dc2626}
  .print-footer{margin-top:16px;padding-top:10px;border-top:1px solid #e2e8f0;display:flex;justify-content:space-between;font-size:8px;color:#94a3b8}
}