:root{--ltu-bg:#f7f8fb;--ltu-card:#fff;--ltu-text:#162033;--ltu-muted:#5d6b82;--ltu-line:#e5e9f2;--ltu-ink:#0f2f5f;--ltu-soft:#eef5ff;--ltu-green:#0b6b55;--ltu-warn:#8a5a00;--ltu-radius:20px;--ltu-shadow:0 18px 50px rgba(15,47,95,.08)}
.ltu-page{max-width:1120px;margin:0 auto;padding:22px 16px 54px;color:var(--ltu-text);font-size:17px;line-height:1.75}
.ltu-page a{color:#123f85;text-decoration:none}.ltu-page a:hover{text-decoration:underline}.ltu-breadcrumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:8px 0 18px;color:var(--ltu-muted);font-size:14px}.ltu-breadcrumb span{color:var(--ltu-muted)}
.ltu-hero{position:relative;overflow:hidden;padding:42px;border:1px solid var(--ltu-line);border-radius:28px;background:radial-gradient(circle at top right,#e9f3ff 0,#fff 48%,#f8fbff 100%);box-shadow:var(--ltu-shadow)}
.ltu-hero:after{content:"";position:absolute;right:-80px;top:-90px;width:230px;height:230px;border-radius:999px;border:34px solid rgba(18,63,133,.08)}
.ltu-kicker{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;background:#edf5ff;color:#174379;font-weight:700;font-size:13px;letter-spacing:.02em;text-transform:uppercase}.ltu-kicker:before{content:"";width:8px;height:8px;border-radius:50%;background:#174379}
.ltu-hero h1{position:relative;margin:18px 0 14px;font-size:clamp(32px,5vw,58px);line-height:1.08;letter-spacing:-.04em;color:#101a2d}.ltu-subtitle{position:relative;max-width:790px;margin:0;color:#415066;font-size:clamp(18px,2.4vw,22px);line-height:1.55}
.ltu-share-box{position:relative;display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.ltu-share-box button,.ltu-tool button{border:0;border-radius:999px;background:#102f5f;color:#fff;padding:11px 16px;font-weight:700;cursor:pointer;box-shadow:0 8px 18px rgba(16,47,95,.16)}.ltu-share-box button:nth-child(2),.ltu-share-box button:nth-child(3){background:#fff;color:#102f5f;border:1px solid #cfe0f5}.ltu-copy-state{display:inline-flex;align-items:center;color:var(--ltu-green);font-weight:700;font-size:14px}
.ltu-answer-box,.ltu-section,.ltu-related,.ltu-faq,.ltu-context-links,.ltu-source-box,.ltu-disclaimer,.ltu-tool{margin-top:24px;padding:28px;border:1px solid var(--ltu-line);border-radius:var(--ltu-radius);background:var(--ltu-card);box-shadow:0 10px 30px rgba(18,34,66,.05)}
.ltu-answer-box{background:linear-gradient(135deg,#f1f7ff,#fff)}.ltu-answer-box h2,.ltu-section h2,.ltu-related h2,.ltu-faq h2,.ltu-context-links h2,.ltu-source-box h2,.ltu-disclaimer h2,.ltu-tool h2{margin:0 0 12px;font-size:clamp(23px,3vw,32px);line-height:1.2;letter-spacing:-.03em;color:#111b2f}.ltu-answer-box p,.ltu-section p,.ltu-source-box p,.ltu-disclaimer p,.ltu-tool p{margin:0 0 12px;color:#40506a}.ltu-section ul,.ltu-section ol,.ltu-source-box ul{margin:10px 0 0;padding-left:22px;color:#40506a}.ltu-section li,.ltu-source-box li{margin:8px 0}
.ltu-two-col{display:grid;grid-template-columns:1fr 1fr;gap:22px}.ltu-check-list{display:grid;gap:12px}.ltu-check-list p{display:flex;gap:12px;align-items:flex-start;margin:0;padding:14px 15px;border:1px solid var(--ltu-line);border-radius:16px;background:#fbfcff}.ltu-check-list span{display:inline-grid;place-items:center;flex:0 0 auto;width:24px;height:24px;border-radius:50%;background:#e8f7f3;color:#087057;font-weight:900}
.ltu-card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.ltu-card{display:flex;flex-direction:column;min-height:170px;padding:19px;border:1px solid var(--ltu-line);border-radius:18px;background:#fff;color:var(--ltu-text);box-shadow:0 8px 24px rgba(15,47,95,.05);transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease}.ltu-card:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(15,47,95,.12);border-color:#bfd4ef;text-decoration:none}.ltu-card span{font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:#557092;font-weight:800}.ltu-card strong{margin:10px 0 8px;font-size:18px;line-height:1.25;color:#111b2f}.ltu-card em{font-style:normal;color:#607087;font-size:14px;line-height:1.55}
.ltu-mini-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.ltu-mini-grid a{display:block;padding:16px;border:1px solid var(--ltu-line);border-radius:16px;background:#fbfdff}.ltu-mini-grid strong{display:block;color:#13233b}.ltu-mini-grid span{display:block;margin-top:5px;color:#5e6e86;font-size:14px}.ltu-faq details{padding:16px 0;border-top:1px solid var(--ltu-line)}.ltu-faq details:first-of-type{border-top:0}.ltu-faq summary{cursor:pointer;font-weight:800;color:#142238}.ltu-faq p{margin:10px 0 0;color:#56667d}.ltu-disclaimer{background:#fffaf0;border-color:#f3dfaa}.ltu-disclaimer h2{color:#7a4d00}.ltu-source-box{background:#fbfcff}
.ltu-tool input[type=search]{width:100%;max-width:680px;border:1px solid #cad6e8;border-radius:999px;padding:14px 18px;font-size:16px}.ltu-glossary-results{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:16px}.ltu-glossary-item{padding:16px;border:1px solid var(--ltu-line);border-radius:16px;background:#fff}.ltu-glossary-item strong{display:block;color:#12233b}.ltu-glossary-item small{display:block;color:#607087;margin:3px 0 8px}.ltu-quiz-q{padding:16px;border:1px solid var(--ltu-line);border-radius:16px;margin:12px 0;background:#fff}.ltu-quiz-q strong{display:block;margin-bottom:10px}.ltu-quiz-q label,.ltu-check-tool label{display:block;margin:8px 0;color:#40506a}.ltu-quiz-result,.ltu-check-progress,.ltu-path-result{margin-top:14px!important;padding:14px;border-radius:14px;background:#f0f6ff;color:#16345f!important;font-weight:800}.ltu-choice-row{display:flex;flex-wrap:wrap;gap:10px}.ltu-table-wrap{overflow-x:auto}.ltu-table{width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--ltu-line);border-radius:16px;overflow:hidden;background:#fff}.ltu-table th,.ltu-table td{padding:14px;border-bottom:1px solid var(--ltu-line);text-align:left}.ltu-table th{background:#f3f7fc;color:#15233a}.ltu-table tr:last-child td{border-bottom:0}
.ltu-admin-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;max-width:1180px}.ltu-admin-card,.ltu-admin-form{background:#fff;border:1px solid #dcdcde;border-radius:14px;padding:18px;margin-top:16px;max-width:1180px}.ltu-admin-card h2{margin:0 0 8px;font-size:16px}.ltu-admin-num{font-size:34px;font-weight:800;margin:.2em 0;color:#102f5f}.ltu-fieldset{border:1px solid #dcdcde;border-radius:12px;padding:14px;margin:14px 0}.ltu-fieldset legend{font-weight:800}.ltu-fieldset label{display:block;margin:10px 0}.ltu-fieldset select{min-width:320px;max-width:100%;padding:6px}
@media (max-width:900px){.ltu-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.ltu-two-col,.ltu-mini-grid,.ltu-glossary-results,.ltu-admin-grid{grid-template-columns:1fr}.ltu-hero{padding:30px 22px}.ltu-page{font-size:16px}.ltu-answer-box,.ltu-section,.ltu-related,.ltu-faq,.ltu-context-links,.ltu-source-box,.ltu-disclaimer,.ltu-tool{padding:22px}}
@media (max-width:560px){.ltu-card-grid{grid-template-columns:1fr}.ltu-share-box button{width:100%;justify-content:center}.ltu-hero h1{font-size:32px}.ltu-subtitle{font-size:17px}.ltu-page{padding-left:12px;padding-right:12px}.ltu-choice-row button{width:100%}}
.ltu-settings-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin:14px 0}.ltu-settings-grid label{display:block;font-weight:600}.ltu-settings-grid input,.ltu-settings-grid select{width:100%;max-width:100%;margin-top:6px}

/* 0.1.3 admin/table additions */
.ltu-bulk-row{display:flex;gap:10px;align-items:center;margin:10px 0 14px;flex-wrap:wrap}
.ltu-table-scroll{max-height:520px;overflow:auto;border:1px solid #e2e8f0;border-radius:12px;background:#fff}
.ltu-index-table th{position:sticky;top:0;background:#f8fafc;z-index:1}
.ltu-badge{display:inline-flex;align-items:center;border-radius:999px;padding:4px 9px;font-size:12px;font-weight:700;line-height:1;background:#e5e7eb;color:#374151}
.ltu-badge-ok{background:#dcfce7;color:#166534}
.ltu-badge-warn{background:#fef3c7;color:#92400e}
.ltu-badge-muted{background:#e5e7eb;color:#374151}
.ltu-editorial-depth h3{margin-top:18px}

/* 0.1.4 legal/footer/index polish */
.ltu-quick-summary{margin:22px 0;padding:18px 20px;border:1px solid rgba(15,23,42,.12);border-radius:18px;background:linear-gradient(180deg,#ffffff,#f8fafc);box-shadow:0 10px 28px rgba(15,23,42,.05)}
.ltu-quick-summary h2{margin:0 0 8px;font-size:1.15rem;line-height:1.3}
.ltu-quick-summary p{margin:0 0 10px;font-weight:600;color:#172033}
.ltu-quick-summary ul{margin:0;padding-left:20px;color:#334155}
.ltu-quick-summary li{margin:6px 0}
.ltu-legal-footer{margin:40px auto 18px;padding:16px 18px;max-width:1080px;border-top:1px solid rgba(15,23,42,.14);display:flex;gap:12px;flex-wrap:wrap;align-items:center;justify-content:center;font-size:14px;color:#475569}
.ltu-legal-footer span{font-weight:700;color:#0f172a;margin-right:4px}
.ltu-legal-footer a{color:#334155;text-decoration:none;border-bottom:1px solid transparent}
.ltu-legal-footer a:hover{color:#0f172a;border-bottom-color:#0f172a}
@media (max-width:640px){.ltu-quick-summary{padding:16px}.ltu-legal-footer{justify-content:flex-start;margin-left:12px;margin-right:12px}.ltu-legal-footer a{padding:2px 0}}

/* 0.2.1+ editorial visual guides */
.ltu-visual-guide{margin:28px 0;padding:22px;border:1px solid rgba(15,23,42,.12);border-radius:20px;background:linear-gradient(180deg,rgba(248,250,252,.95),rgba(255,255,255,.98))}
.ltu-visual-guide h2{margin-top:0}.ltu-compare-visual{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.ltu-compare-visual>div{border:1px solid rgba(15,23,42,.1);border-radius:16px;padding:16px;background:#fff}.ltu-compare-visual strong{display:block;font-size:1.05rem;margin-bottom:8px}.ltu-compare-visual p{margin:.25rem 0 .5rem}.ltu-compare-visual small{color:#64748b}.ltu-danger-zone{border-left:4px solid #f59e0b!important}
@media(max-width:720px){.ltu-compare-visual{grid-template-columns:1fr}.ltu-visual-guide{padding:16px;border-radius:16px}}

/* 0.2.2/0.2.3 index score + content quality */
.ltu-score{display:inline-flex;align-items:center;gap:8px;border-radius:999px;padding:5px 10px;font-size:12px;font-weight:800;background:#e5e7eb;color:#374151;white-space:nowrap}
.ltu-score strong{font-size:13px}.ltu-score em{font-style:normal;font-weight:700;opacity:.9}.ltu-score-ok{background:#dcfce7;color:#166534}.ltu-score-warn{background:#fef3c7;color:#92400e}.ltu-score-muted{background:#e5e7eb;color:#374151}
.ltu-quality-expansion{background:linear-gradient(180deg,#fff,#f8fbff);border-color:#d8e7fb}.ltu-quality-expansion h3{margin:20px 0 8px;font-size:1.2rem;color:#142238}.ltu-quality-expansion p{font-size:1.02rem;line-height:1.78}.ltu-preview-box{border-left:4px solid #2563eb!important}.ltu-preview-box code{font-size:12px}.ltu-index-table small{display:block;max-width:320px;color:#64748b;line-height:1.35;margin-top:4px}

/* 0.2.3 real content index score */
.ltu-score-split{display:block;margin-top:4px;font-size:12px;color:#475569;line-height:1.35}
.ltu-cleanup-select-form .ltu-table-scroll{margin-top:12px}
.ltu-cleanup-select-form .widefat td{vertical-align:middle}


/* 0.2.4 blank page full UI */
body.ltu-blank-template{margin:0;background:var(--ltu-bg);color:var(--ltu-text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,"Noto Sans",sans-serif;font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body.ltu-blank-template *{box-sizing:border-box}
body.ltu-blank-template a{color:#123f85;text-decoration:none}
body.ltu-blank-template a:hover{text-decoration:none;color:#0b2d66}
.ltu-skip-link{position:absolute;left:-999px;top:auto;width:1px;height:1px;overflow:hidden}.ltu-skip-link:focus{left:16px;top:16px;width:auto;height:auto;z-index:99999;background:#fff;color:#0f2f5f;padding:10px 14px;border-radius:10px;box-shadow:0 10px 28px rgba(15,23,42,.18)}
.ltu-site-header{position:sticky;top:0;z-index:9990;background:rgba(255,255,255,.92);border-bottom:1px solid rgba(15,23,42,.08);backdrop-filter:saturate(140%) blur(14px)}
.admin-bar .ltu-site-header{top:32px}.ltu-site-bar{max-width:1180px;margin:0 auto;padding:14px 18px;display:flex;align-items:center;justify-content:space-between;gap:18px}.ltu-site-brand{display:flex;align-items:center;gap:11px;min-width:210px;color:#101a2d!important}.ltu-brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:14px;background:#102f5f;color:#fff;font-weight:900;box-shadow:0 10px 24px rgba(16,47,95,.18)}.ltu-site-brand strong{display:block;font-size:20px;line-height:1.05;letter-spacing:-.03em}.ltu-site-brand em{display:block;margin-top:3px;font-size:12px;font-style:normal;color:#617086;line-height:1.15}.ltu-site-nav{display:flex;align-items:center;justify-content:flex-end;gap:4px;flex-wrap:wrap}.ltu-site-nav a{display:inline-flex;align-items:center;min-height:36px;border-radius:999px;padding:8px 12px;color:#29364a;font-weight:700;font-size:14px;line-height:1}.ltu-site-nav a:hover,.ltu-site-nav a[aria-current="page"]{background:#edf5ff;color:#102f5f}.ltu-site-toggle{display:none;border:1px solid #d6e2f1;border-radius:999px;background:#fff;color:#102f5f;padding:9px 13px;font-weight:800;box-shadow:0 8px 20px rgba(15,47,95,.08)}
.ltu-site-main{width:100%;padding:28px 0 20px}.ltu-blank-template .ltu-page{max-width:1180px;margin:0 auto;padding:0 18px 56px;font-size:16px;line-height:1.72}.ltu-blank-template .ltu-breadcrumb{margin:0 0 18px}.ltu-blank-template .ltu-hero{padding:38px 42px}.ltu-blank-template .ltu-hero h1{font-size:clamp(34px,5vw,56px)}.ltu-blank-template .ltu-subtitle{font-size:clamp(17px,2.2vw,21px)}.ltu-blank-template .ltu-answer-box h2,.ltu-blank-template .ltu-section h2,.ltu-blank-template .ltu-related h2,.ltu-blank-template .ltu-faq h2,.ltu-blank-template .ltu-context-links h2,.ltu-blank-template .ltu-source-box h2,.ltu-blank-template .ltu-disclaimer h2,.ltu-blank-template .ltu-tool h2{font-size:clamp(22px,2.6vw,30px)}
.ltu-blank-template .ltu-legal-footer{max-width:1180px;background:transparent}.ltu-blank-template .ltu-card strong{font-size:17px}.ltu-blank-template .ltu-card em{font-size:14px}
@media (max-width:782px){.admin-bar .ltu-site-header{top:46px}.ltu-site-bar{padding:12px 14px;align-items:flex-start}.ltu-site-brand{min-width:0}.ltu-site-brand em{display:none}.ltu-site-toggle{display:inline-flex;margin-top:1px}.ltu-site-nav{display:none;position:absolute;left:12px;right:12px;top:64px;padding:10px;border:1px solid rgba(15,23,42,.1);border-radius:18px;background:#fff;box-shadow:0 18px 50px rgba(15,47,95,.14);justify-content:flex-start}.ltu-site-header.is-open .ltu-site-nav{display:flex}.ltu-site-nav a{width:calc(50% - 4px);justify-content:center;background:#f8fafc}.ltu-site-main{padding-top:20px}.ltu-blank-template .ltu-page{padding-left:14px;padding-right:14px}.ltu-blank-template .ltu-hero{padding:28px 22px;border-radius:24px}.ltu-blank-template .ltu-hero h1{font-size:32px;letter-spacing:-.035em}.ltu-blank-template .ltu-subtitle{font-size:16px}.ltu-blank-template .ltu-answer-box,.ltu-blank-template .ltu-section,.ltu-blank-template .ltu-related,.ltu-blank-template .ltu-faq,.ltu-blank-template .ltu-context-links,.ltu-blank-template .ltu-source-box,.ltu-blank-template .ltu-disclaimer,.ltu-blank-template .ltu-tool{padding:20px;border-radius:18px}}
@media (max-width:520px){.ltu-site-bar{gap:10px}.ltu-brand-mark{width:34px;height:34px;border-radius:12px}.ltu-site-brand strong{font-size:18px}.ltu-site-nav a{width:100%}.ltu-site-nav{top:58px}.ltu-blank-template .ltu-page{font-size:15.5px}.ltu-blank-template .ltu-share-box button{width:auto;flex:1 1 120px}.ltu-blank-template .ltu-card-grid,.ltu-blank-template .ltu-mini-grid,.ltu-blank-template .ltu-two-col{grid-template-columns:1fr}.ltu-blank-template .ltu-hero h1{font-size:30px}}