/* extracted verbatim 2026-08-28 estate speed sweep. New content = new filename. */

        /* ============================================================
           NHT = NHL Hub namespace — zero collision with master CSS.
           Article card styles kept as-is (page-scoped, no conflict).
           ============================================================ */
        :root {
            --nht-bg:       var(--void);
            --nht-surface:  var(--panel);
            --nht-surface2: var(--panel-2);
            --nht-border:   var(--line);
            --nht-border2:  var(--line-strong);
            --nht-accent:   var(--action);
            --nht-accent-h: var(--action-hi);
            --nht-green:    var(--model);
            --nht-red:      var(--book);
            --nht-text:     var(--ink);
            --nht-muted:    var(--ink-dim);
            --nht-dim:      var(--ink-faint);
            --nht-font-ui:  var(--ui);
            --nht-font-data: var(--mono);
            --nht-radius:   0.5em;
            --nht-radius-lg:0.75em;
        }

        .nht-wrapper {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 1.25em 5%;
            box-sizing: border-box;
            content-visibility: auto;
            contain-intrinsic-size: 1px 1400px;
        }

        /* BREADCRUMB */
        .nht-breadcrumb {
            margin-bottom: 1.5em;
            font-size: 0.72em;
            font-family: var(--nht-font-data);
            color: var(--nht-dim);
            letter-spacing: 0.05em;
            text-transform: uppercase;
        }
        .nht-breadcrumb a { color: var(--nht-muted); text-decoration: none; transition: color 0.15s; }
        .nht-breadcrumb a:hover { color: var(--nht-accent-h); }
        .nht-breadcrumb .sep { margin: 0 0.4em; color: var(--nht-border2); }

        /* POP WRAP */
        .nht-pop-wrap {
            background: var(--nht-surface);
            padding: 0.4em;
            border-radius: var(--nht-radius);
            margin-bottom: 1.5em;
            border: 1px solid var(--nht-border2);
        }

        /* PAGE HEADER */
        .nht-page-header { margin-bottom: 1.25em; border-bottom: 1px solid var(--nht-border2); padding-bottom: 1.25em; }
        .nht-badges { display: flex; flex-wrap: wrap; gap: 0.5em; margin-bottom: 0.75em; }
        .nht-badge {
            display: inline-flex; align-items: center; gap: 0.4em;
            background: rgba(59,130,246,0.12); color: var(--nht-accent-h);
            font-family: var(--nht-font-data); font-size: 0.68em; font-weight: 700;
            padding: 0.3em 0.75em; border-radius: 2em;
            border: 1px solid rgba(59,130,246,0.25);
            text-transform: uppercase; letter-spacing: 0.06em;
        }
        .nht-h1 {
            font-size: clamp(1.5rem, 3.5vw, 2.1rem);
            font-weight: 800; color: var(--ink);
            letter-spacing: -0.02em; line-height: 1.15;
            margin: 0 0 0.5em;
        }
        .nht-desc { font-size: 0.95em; color: var(--nht-muted); max-width: 900px; line-height: 1.65; margin: 0; }
        .nht-desc strong { color: var(--nht-text); }

        /* AEO GRID */
        .nht-aeo-wrap {
            display: grid;
            grid-template-columns: 1.25fr 0.75fr;
            gap: 1em;
            margin: 1.25em 0 1.5em;
            align-items: start;
        }
        @media (max-width: 980px) { .nht-aeo-wrap { grid-template-columns: 1fr; } }

        .nht-aeo-card {
            background: var(--nht-surface);
            border: 1px solid var(--nht-border2);
            border-radius: var(--nht-radius-lg);
            padding: 1em 1.1em;
            box-shadow: 0 10px 25px rgba(0,0,0,0.25);
        }
        .nht-aeo-title {
            margin: 0 0 0.65em;
            font-size: 1em;
            font-weight: 800;
            color: var(--ink);
            display: flex;
            align-items: center;
            gap: 0.5em;
        }
        .nht-aeo-title i { color: var(--nht-accent); }
        .nht-aeo-answer { color: var(--nht-muted); margin: 0 0 0.65em; line-height: 1.75; font-size: 0.9em; }
        .nht-aeo-answer strong { color: var(--nht-text); }

        .nht-aeo-table {
            width: 100%;
            border-collapse: collapse;
            margin-top: 0.65em;
            overflow: hidden;
            border-radius: var(--nht-radius);
            border: 1px solid var(--line);
        }
        .nht-aeo-table th, .nht-aeo-table td {
            padding: 0.6em 0.75em;
            text-align: left;
            border-bottom: 1px solid var(--line);
            color: var(--nht-muted);
            font-size: 0.88em;
            line-height: 1.55;
        }
        .nht-aeo-table th {
            font-family: var(--nht-font-data);
            color: var(--ink);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            font-size: 0.72em;
            background: var(--panel-2);
        }
        .nht-aeo-table tr:last-child td { border-bottom: none; }
        .nht-aeo-table td strong { color: var(--nht-text); }

        .nht-kpis { display: grid; grid-template-columns: 1fr; gap: 0.65em; margin-top: 0.65em; }
        .nht-kpi {
            background: var(--panel-2);
            border: 1px solid var(--line);
            border-radius: var(--nht-radius);
            padding: 0.65em 0.85em;
        }
        .nht-kpi strong { display: block; font-family: var(--nht-font-data); font-size: 0.72em; color: var(--ink); letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 0.35em; }
        .nht-kpi span { display: block; color: var(--nht-muted); font-size: 0.88em; line-height: 1.55; }

        .nht-toc a {
            display: flex; align-items: center; justify-content: space-between; gap: 0.65em;
            padding: 0.65em 0.85em; border-radius: var(--nht-radius);
            background: var(--panel-2); border: 1px solid var(--line);
            color: var(--nht-muted); font-weight: 700; font-size: 0.88em; margin-bottom: 0.65em;
            text-decoration: none; transition: color 0.12s, border-color 0.12s, background 0.12s;
        }
        .nht-toc a:hover { color: var(--ink); border-color: var(--card-edge); background: rgba(59,130,246,0.08); }
        .nht-toc small { font-family: var(--nht-font-data); color: var(--nht-dim); font-weight: 700; }

        /* PROMO BAR */
        .nht-promo {
            background: linear-gradient(135deg, rgba(59,130,246,0.1) 0%, var(--panel) 100%);
            border: 1px solid var(--nht-accent);
            text-align: center; padding: 2em; border-radius: var(--nht-radius-lg);
            margin-bottom: 1.5em;
        }
        .nht-promo h3 { color: var(--ink); margin: 0.65em 0; font-size: 1.25em; }
        .nht-promo-btn {
            background: var(--accent-grad); color: #fff; border: none;
            padding: 0.85em 1.75em; border-radius: var(--nht-radius); font-weight: 700; font-size: 0.95em;
            cursor: pointer; margin-top: 0.9em; transition: box-shadow 0.15s, filter 0.15s;
            box-shadow: 0 8px 24px -8px var(--accent-glow);
        }
        .nht-promo-btn:hover { filter: brightness(1.05); box-shadow: 0 10px 28px -8px var(--accent-glow); }

        /* ARTICLE GRID (preserved from original) */
        #articles-grid, #new-articles-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 1.25em;
            margin-bottom: 1.5em;
        }
        .article-card {
            background: var(--nht-surface2);
            border: 1px solid var(--nht-border2);
            border-radius: var(--nht-radius-lg);
            padding: 1.25em;
            display: flex; flex-direction: column; height: 100%;
            transition: all 0.2s ease;
            position: relative;
            content-visibility: auto;
            contain-intrinsic-size: 1px 360px;
        }
        .article-card:hover { border-color: var(--nht-accent); box-shadow: 0 4px 20px rgba(0,0,0,0.3); }
        .article-meta { display: flex; justify-content: space-between; align-items: center; font-size: 0.82em; color: var(--nht-muted); border-bottom: 1px solid var(--nht-border); padding-bottom: 0.75em; margin-bottom: 1em; }
        .article-category { font-family: var(--nht-font-data); font-weight: 700; color: var(--nht-accent); }
        .article-time { font-family: var(--nht-font-data); color: var(--nht-dim); }
        .article-title { font-size: 1.05em; font-weight: 700; margin-bottom: 0.75em; color: var(--ink); line-height: 1.4; }
        .article-title a { text-decoration: none; color: inherit; transition: color 0.12s; }
        .article-title a:hover { color: var(--nht-accent); }
        .article-image { width: 100%; height: 200px; background-size: cover; background-position: center; border-radius: var(--nht-radius); margin-bottom: 1em; }

        /* SEO CONTENT */
        .nht-seo { color: var(--nht-muted); margin-bottom: 2.5em; }
        .nht-seo h2 { color: var(--nht-text); margin-top: 2em; font-size: 1.35em; letter-spacing: -0.02em; }
        .nht-seo h3 { color: var(--nht-text); margin-top: 1.25em; font-size: 1.05em; }
        .nht-seo p { margin-bottom: 1em; line-height: 1.75; font-size: 0.92em; }
        .nht-seo ul { padding-left: 1.25em; margin-bottom: 1em; }
        .nht-seo li { margin-bottom: 0.5em; line-height: 1.75; font-size: 0.92em; }
        .nht-seo a { color: var(--nht-accent); border-bottom: 1px solid rgba(59,130,246,0.3); text-decoration: none; }
        .nht-seo a:hover { border-bottom-color: rgba(59,130,246,0.7); }

        .nht-callout {
            background: var(--panel-2);
            border: 1px solid var(--line);
            border-radius: var(--nht-radius-lg);
            padding: 1em;
            margin: 1em 0 1.1em;
            font-size: 0.9em;
        }
        .nht-callout strong { color: var(--ink); }
        .nht-pill-row { display: flex; flex-wrap: wrap; gap: 0.65em; margin-top: 0.75em; }
        .nht-pill {
            display: inline-flex; align-items: center; gap: 0.4em;
            padding: 0.5em 0.75em; border-radius: 2em;
            border: 1px solid var(--line);
            background: var(--panel-2);
            color: var(--nht-muted); font-weight: 800; font-size: 0.82em; white-space: nowrap;
        }
        .nht-pill i { color: var(--nht-accent); }

        /* FAQ — native <details> */
        .nht-faq-wrap { margin-top: 1.5em; }
        .nht-faq-item {
            background: var(--panel-2);
            border: 1px solid var(--line);
            border-radius: var(--nht-radius-lg);
            margin-bottom: 0.65em;
            overflow: hidden;
            transition: border-color 0.15s;
        }
        .nht-faq-item[open] { border-color: var(--card-edge); }
        .nht-faq-item summary {
            padding: 0.85em 1em;
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1em;
            font-weight: 900;
            color: var(--ink);
            font-size: 0.9em;
        }
        .nht-faq-item summary::-webkit-details-marker { display: none; }
        .nht-faq-item summary::after { content: '+'; font-family: var(--nht-font-data); color: var(--nht-accent); flex-shrink: 0; }
        .nht-faq-item[open] summary::after { content: '−'; }
        .nht-faq-body {
            padding: 0 1em 0.85em;
            color: var(--nht-muted);
            line-height: 1.75;
            font-size: 0.88em;
            border-top: 1px solid var(--nht-border2);
        }
        .nht-faq-body p { margin-top: 0.75em; margin-bottom: 0; color: var(--nht-text); }

        /* SUBSCRIPTION SECTION */
        .nht-sub-section {
            background: linear-gradient(135deg, rgba(59,130,246,0.1) 0%, var(--panel) 100%);
            border: 1px solid var(--nht-accent);
            text-align: center; padding: 2em; border-radius: var(--nht-radius-lg);
            margin-bottom: 1.5em;
        }

        /* EMAIL SIGNUP */
        .full-width-email-signup { background: var(--nht-surface); border-top: 1px solid var(--nht-border); padding: 3.5em 5%; margin-top: 4em; }
        .email-input { background: var(--nht-surface2); border: 1px solid var(--nht-border2); color: var(--ink); padding: 0.85em; border-radius: var(--nht-radius); width: 100%; box-sizing: border-box; }
        .signup-button { background: var(--accent-grad); color: #fff; padding: 0.85em; border: none; border-radius: var(--nht-radius); font-weight: 700; width: 100%; margin-top: 0.65em; cursor: pointer; box-shadow: 0 8px 24px -8px var(--accent-glow); }

        @media (max-width: 768px) {
            #articles-grid, #new-articles-grid { grid-template-columns: 1fr; gap: 1em; }
            .nht-aeo-table th, .nht-aeo-table td { padding: 0.5em 0.6em; }
        }
        @media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; transition: none !important; } }

        /* light-theme fixes: only text sitting on the transparent wrapper (light master void).
           Dark cards keep their own dark surfaces + #fff/keep text untouched. */
        :root[data-theme="light"] :is(.nht-h1, .nht-desc strong, .nht-seo h2, .nht-seo h3){color:var(--ink);}
        :root[data-theme="light"] :is(.nht-breadcrumb, .nht-breadcrumb a, .nht-desc, .nht-seo){color:var(--ink-dim);}
        :root[data-theme="light"] :is(.nht-callout, .nht-callout p){color:var(--nht-muted);}
        @media (prefers-color-scheme:light){
          :root:not([data-theme="dark"]):not([data-theme="light"]) :is(.nht-h1, .nht-desc strong, .nht-seo h2, .nht-seo h3){color:var(--ink);}
          :root:not([data-theme="dark"]):not([data-theme="light"]) :is(.nht-breadcrumb, .nht-breadcrumb a, .nht-desc, .nht-seo){color:var(--ink-dim);}
          :root:not([data-theme="dark"]):not([data-theme="light"]) :is(.nht-callout, .nht-callout p){color:var(--nht-muted);}
        }