/* Google Fonts — Poppins + DM Sans */
    :root{--bg-base:#080c18;--bg-surface:#0f1628;--bg-card:#141d35;--bg-card-hover:#1a2540;--text-primary:#f0f4ff;--text-secondary:#8fa3cc;--text-muted:#6b82a8;--accent:#00d4aa;--accent-dim:#00a882;--accent-glow:rgba(0,212,170,0.15);--amber:#f59e0b;--border:rgba(255,255,255,0.07);--border-accent:rgba(0,212,170,0.3);--radius-sm:6px;--radius-md:12px;--radius-lg:20px;--font-display:'Poppins','Segoe UI',system-ui,-apple-system,'Helvetica Neue',Arial,sans-serif;--font-body:'DM Sans','Segoe UI',system-ui,-apple-system,'Helvetica Neue',Arial,sans-serif;--nav-h:64px;}
    *,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
    html{scroll-behavior:smooth;}
    body{font-family:var(--font-body);background:var(--bg-base);color:var(--text-primary);font-size:16px;line-height:1.75;min-height:100vh;overflow-x:hidden;}
    a{color:var(--accent);text-decoration:none;}a:hover{text-decoration:underline;}
    h1,h2,h3,h4{font-family:var(--font-display);line-height:1.25;color:var(--text-primary);}
    h1{font-size:clamp(1.8rem,4vw,2.8rem);font-weight:800;}
    h2{font-size:clamp(1.2rem,2.5vw,1.6rem);font-weight:700;margin:40px 0 16px;}
    h3{font-size:1.05rem;font-weight:600;margin:8px 0 6px;}
    p{color:var(--text-secondary);margin-bottom:1rem;}p:last-child{margin-bottom:0;}
    .nav{position:sticky;top:0;z-index:100;height:var(--nav-h);background:rgba(8,12,24,0.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--border);display:flex;align-items:center;}
    .nav__inner{display:flex;align-items:center;gap:24px;width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
    .nav__logo{font-family:var(--font-display);font-weight:800;font-size:1.25rem;color:var(--text-primary);display:flex;align-items:center;gap:8px;text-decoration:none;}
    .nav__logo:hover{text-decoration:none;}
    .nav__logo-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px var(--accent);display:inline-block;}
    .nav__search{flex:1;max-width:380px;position:relative;}
    .nav__search input{width:100%;background:#1e2a45;border:1px solid var(--border);border-radius:8px;padding:8px 16px 8px 40px;color:var(--text-primary);font-family:var(--font-body);font-size:0.9rem;outline:none;}
    .nav__search input::placeholder{color:var(--text-muted);}
    .nav__search-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--text-muted);pointer-events:none;}
    .nav__links{display:flex;align-items:center;gap:4px;margin-left:auto;list-style:none;padding:0;}
    .nav__links a{padding:6px 12px;border-radius:var(--radius-sm);font-size:0.9rem;color:var(--text-secondary);transition:color 0.2s,background 0.2s;}
    .nav__links a:hover{color:var(--text-primary);background:var(--bg-card);text-decoration:none;}
    .nav__hamburger{display:none;background:none;border:none;cursor:pointer;padding:8px;flex-direction:column;gap:5px;align-items:center;}
    .nav__hamburger span{display:block;width:22px;height:2px;background:var(--text-primary);border-radius:2px;}
    .nav__drawer{display:none;position:fixed;top:var(--nav-h);left:0;right:0;bottom:0;background:var(--bg-surface);z-index:99;overflow-y:auto;padding:24px 20px;flex-direction:column;gap:8px;}
    .nav__drawer.open{display:flex;}
    .nav__drawer a{padding:12px 16px;border-radius:var(--radius-sm);font-size:1rem;color:var(--text-secondary);border:1px solid var(--border);}
    .container{max-width:1200px;margin:0 auto;padding:0 20px;}
    .page-header{padding:48px 20px 32px;max-width:1200px;margin:0 auto;}
    .breadcrumb{font-size:0.8rem;color:var(--text-muted);margin-bottom:16px;display:flex;align-items:center;gap:6px;flex-wrap:wrap;}
    .breadcrumb a{color:var(--text-muted);}
    .breadcrumb a:hover{color:var(--accent);}
    .hub-icon{font-size:3rem;margin-bottom:16px;}
    .hub-meta{display:flex;align-items:center;gap:12px;margin:16px 0;}
    .hub-count{background:var(--bg-card);border:1px solid var(--border);border-radius:20px;padding:4px 14px;font-size:0.8rem;color:var(--text-muted);}
    .last-verified{display:inline-flex;align-items:center;gap:6px;font-size:0.78rem;color:var(--text-muted);background:var(--bg-card);border:1px solid var(--border);border-radius:20px;padding:4px 12px;}
    .last-verified::before{content:'✓';color:var(--accent);font-weight:700;}
    .start-here-card{background:linear-gradient(135deg,rgba(0,212,170,0.1),rgba(0,212,170,0.04));border:1px solid var(--border-accent);border-radius:var(--radius-lg);padding:28px 32px;margin:32px 0;display:flex;align-items:center;gap:24px;}
    .start-here-card__icon{font-size:2.5rem;flex-shrink:0;}
    .start-here-card__label{font-size:0.7rem;font-weight:700;text-transform:uppercase;letter-spacing:0.1em;color:var(--accent);margin-bottom:4px;}
    .start-here-card h3{font-size:1.1rem;margin-bottom:6px;}
    .start-here-card p{font-size:0.9rem;color:var(--text-muted);margin-bottom:14px;}
    .btn{display:inline-flex;align-items:center;gap:8px;padding:10px 22px;border-radius:var(--radius-sm);font-family:var(--font-body);font-size:0.9rem;font-weight:700;cursor:pointer;border:none;transition:all 0.2s;text-decoration:none;}
    .btn--primary{background:var(--accent);color:#080c18;}
    .btn--primary:hover{background:var(--accent-dim);text-decoration:none;color:#080c18;}
    .section-label{font-size:0.75rem;font-weight:700;text-transform:uppercase;letter-spacing:0.12em;color:var(--accent);margin-bottom:16px;display:flex;align-items:center;gap:8px;}
    .section-label::after{content:'';flex:1;height:1px;background:linear-gradient(to right,var(--border-accent),transparent);}
    .pages-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;margin-bottom:48px;}
    .page-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:22px;transition:all 0.2s;display:block;text-decoration:none;}
    .page-card:hover{border-color:var(--border-accent);background:var(--bg-card-hover);transform:translateY(-2px);text-decoration:none;}
    .page-card__icon{font-size:1.5rem;margin-bottom:10px;}
    .page-card h3{font-size:0.95rem;margin-bottom:6px;color:var(--text-primary);}
    .page-card p{font-size:0.82rem;color:var(--text-muted);margin:0 0 12px;}
    .page-card__footer{display:flex;justify-content:space-between;align-items:center;}
    .tag{display:inline-block;padding:3px 10px;border-radius:20px;font-size:0.7rem;font-weight:600;letter-spacing:0.05em;text-transform:uppercase;}
    .tag--beginner{background:rgba(0,212,170,0.1);color:var(--accent);}
    .tag--intermediate{background:rgba(245,158,11,0.1);color:var(--amber);}
    .tag--technical{background:rgba(239,68,68,0.1);color:#f87171;}
    .tag--new{background:rgba(168,139,250,0.15);color:#a78bfa;}
    .related-section{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px 32px;margin:40px 0;}
    .related-section h3{font-size:1rem;margin-bottom:16px;}
    .related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px;}
    .related-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:16px;display:block;text-decoration:none;transition:all 0.2s;}
    .related-card:hover{border-color:var(--border-accent);text-decoration:none;}
    .related-card__icon{font-size:1.3rem;margin-bottom:6px;}
    .related-card h4{font-size:0.85rem;color:var(--text-primary);margin-bottom:3px;}
    .related-card p{font-size:0.75rem;color:var(--text-muted);margin:0;}
    .footer{background:var(--bg-surface);border-top:1px solid var(--border);margin-top:80px;padding:60px 0 40px;}
    .footer__grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px;}
    .footer__brand p{font-size:0.875rem;margin-top:12px;}
    .footer__col h4{font-size:0.8rem;font-weight:600;letter-spacing:0.08em;text-transform:uppercase;color:var(--text-muted);margin-bottom:16px;}
    .footer__col ul{list-style:none;padding:0;display:flex;flex-direction:column;gap:8px;}
    .footer__col ul a{font-size:0.875rem;color:var(--text-secondary);}
    .footer__col ul a:hover{color:var(--accent);text-decoration:none;}
    .footer__disclaimer{border-top:1px solid var(--border);padding-top:24px;font-size:0.8rem;color:var(--text-muted);line-height:1.6;}
    .footer__disclaimer a{color:var(--text-muted);text-decoration:underline;}
    @media(max-width:900px){.footer__grid{grid-template-columns:1fr 1fr;}.pages-grid{grid-template-columns:1fr 1fr;}}
    @media(max-width:640px){.nav__links{display:none;}.nav__search{display:none;}.nav__hamburger{display:flex;margin-left:auto;}.footer__grid{grid-template-columns:1fr;}.pages-grid{grid-template-columns:1fr;}.start-here-card{flex-direction:column;gap:12px;}}
  
    /* Pending (unbuilt) links — honest about status */
    a[data-status="pending"]{opacity:0.6;cursor:default;}
    a[data-status="pending"]::after{content:' ↗';font-size:0.65em;opacity:0.5;}
    /* Client-side search dropdown (GitBook-style) */
    .cc-search-results{position:absolute;top:calc(100% + 8px);left:0;right:0;z-index:1000;max-height:70vh;overflow-y:auto;background:#0f1628;border:1px solid rgba(255,255,255,0.12);border-radius:14px;box-shadow:0 20px 60px rgba(0,0,0,0.6);padding:6px;min-width:280px;}
    .cc-search-head{display:flex;align-items:center;justify-content:space-between;padding:8px 12px 6px;font-size:0.7rem;font-weight:600;text-transform:uppercase;letter-spacing:0.06em;color:#5a6f96;border-bottom:1px solid rgba(255,255,255,0.06);margin-bottom:4px;}
    .cc-search-hint{font-weight:500;text-transform:none;letter-spacing:0;color:#6b82a8;}
    .cc-search-item{display:block;padding:10px 12px;border-radius:9px;text-decoration:none;cursor:pointer;border:1px solid transparent;}
    .cc-search-item.is-active,.cc-search-item:hover{background:rgba(0,212,170,0.12);border-color:rgba(0,212,170,0.35);text-decoration:none;}
    .cc-search-cat{display:inline-block;font-size:0.62rem;font-weight:700;text-transform:uppercase;letter-spacing:0.07em;color:#00d4aa;background:rgba(0,212,170,0.12);padding:2px 8px;border-radius:999px;margin-bottom:5px;}
    .cc-search-title{display:block;font-size:0.95rem;font-weight:600;color:#f0f4ff;line-height:1.3;}
    .cc-search-excerpt{display:-webkit-box;font-size:0.8rem;color:#8fa3cc;line-height:1.45;margin-top:3px;overflow:hidden;-webkit-line-clamp:2;-webkit-box-orient:vertical;}
    .cc-mark{background:rgba(0,212,170,0.28);color:#bff7ea;border-radius:3px;padding:0 1px;}
    .cc-search-empty{padding:16px 14px;font-size:0.88rem;color:#c7d3ea;}
    .cc-search-empty-sub{display:block;font-size:0.78rem;color:#5a6f96;margin-top:6px;line-height:1.5;}


    .drawer__search{position:relative;padding:4px 4px 10px;margin-bottom:6px;border-bottom:1px solid rgba(255,255,255,0.08);}
    .drawer__search input{width:100%;box-sizing:border-box;background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.12);border-radius:10px;padding:11px 14px;color:#f0f4ff;font-size:0.95rem;font-family:inherit;outline:none;}
    .drawer__search input:focus{border-color:#00d4aa;}
    .drawer__search input::placeholder{color:#5a6f96;}

    .drawer__search .cc-search-results{position:static;margin-top:8px;max-height:none;box-shadow:none;}

    .skip-link{position:absolute;left:-9999px;top:8px;z-index:10000;background:#00d4aa;color:#080c18;padding:10px 18px;border-radius:8px;font-weight:700;text-decoration:none;font-size:0.9rem;}
    .skip-link:focus{left:8px;}

    :focus-visible{outline:2px solid #00d4aa;outline-offset:2px;border-radius:2px;}
    input:focus-visible,select:focus-visible{outline:2px solid #00d4aa;outline-offset:1px;}