:root{
    --bg-deep:#070c15;
    --bg-panel:#0d1520;
    --bg-panel-raised:#111b29;
    --line:#1c2836;
    --rose:#e8527a;
    --rose-dim:#c13e63;
    --glow:#7fd9ff;
    --text:#f2efec;
    --text-dim:#8a93a6;
    --text-faint:#4d5768;
    --mono:'IBM Plex Mono', monospace;
    --display:'Space Grotesk', sans-serif;
    --body:'Inter', sans-serif;
  }

  *{margin:0;padding:0;box-sizing:border-box;}

  html{scroll-behavior:smooth;}

  body{
    background:var(--bg-deep);
    color:var(--text);
    font-family:var(--body);
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }

  @media (prefers-reduced-motion: reduce){
    *{animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; scroll-behavior:auto !important;}
  }

  a{color:inherit; text-decoration:none;}

  :focus-visible{
    outline:2px solid var(--rose);
    outline-offset:3px;
  }

  .wrap{
    max-width:1120px;
    margin:0 auto;
    padding:0 32px;
  }

  /* ---------- signal line motif ---------- */
  .signal-rail{
    position:relative;
  }
  .signal-rail::before{
    content:'';
    position:absolute;
    left:50%;
    top:0;
    bottom:0;
    width:1px;
    background:linear-gradient(180deg, transparent, var(--line) 8%, var(--line) 92%, transparent);
    transform:translateX(-50%);
    z-index:0;
  }
  .node{
    position:relative;
    z-index:1;
    width:9px;
    height:9px;
    border-radius:50%;
    background:var(--bg-deep);
    border:1.5px solid var(--text-faint);
    margin:0 auto;
  }
  .node.active{
    border-color:var(--rose);
    background:var(--rose);
    box-shadow:0 0 0 4px rgba(232,82,122,0.15), 0 0 20px rgba(232,82,122,0.4);
  }

  /* ---------- nav ---------- */
  header{
    position:sticky;
    top:0;
    z-index:50;
    background:rgba(7,12,21,0.85);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
  }
  nav{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    padding:18px 32px;
    max-width:1120px;
    margin:0 auto;
  }
  .logo{
    display:flex;
    align-items:center;
    gap:10px;
    font-family:var(--display);
    font-weight:600;
    font-size:17px;
    letter-spacing:0.02em;
  }
  .logo svg{display:block;}
  .navlinks{
    display:flex;
    gap:32px;
    font-size:14px;
    color:var(--text-dim);
  }
  .navlinks a:hover{color:var(--text);}
  .nav-cta{
    background:var(--rose);
    color:#0a0508;
    font-weight:600;
    font-size:14px;
    padding:9px 18px;
    border-radius:6px;
    transition:background 0.15s ease, transform 0.15s ease;
  }
  .nav-cta:hover{background:#ef6b8e; transform:translateY(-1px);}
  .navlinks-mobile-hide{display:flex;}
  @media (max-width:720px){
    nav{
      flex-wrap:wrap;
      gap:12px 16px;
      padding:14px 20px 12px;
    }
    .logo{
      font-size:16px;
      gap:8px;
    }
    .nav-cta{
      margin-left:auto;
      font-size:13px;
      padding:8px 14px;
      white-space:nowrap;
    }
    .navlinks-mobile-hide{
      display:flex;
      order:3;
      width:100%;
      gap:16px;
      padding-top:10px;
      overflow-x:auto;
      white-space:nowrap;
      scrollbar-width:none;
      -webkit-overflow-scrolling:touch;
    }
    .navlinks-mobile-hide::-webkit-scrollbar{display:none;}
    .navlinks{
      font-size:13px;
    }
  }

  /* ---------- hero ---------- */
  .hero{
    padding:100px 32px 80px;
    text-align:center;
    position:relative;
    overflow:hidden;
  }
  .hero-wave{
    position:absolute;
    top:38%;
    left:0;
    width:100%;
    height:90px;
    opacity:0.16;
    pointer-events:none;
  }
  .wave-path{
    fill:none;
    stroke:var(--rose);
    stroke-width:1.4;
  }
  .wave-dot{
    fill:var(--glow);
    filter:drop-shadow(0 0 6px var(--glow));
    offset-path:path('M0,60 L40,60 L52,60 L60,20 L68,100 L76,60 L120,60 L132,60 L140,35 L148,85 L156,60 L220,60 L232,60 L240,10 L248,110 L256,60 L340,60 L352,60 L360,42 L368,78 L376,60 L460,60 L472,60 L480,25 L488,95 L496,60 L580,60 L592,60 L600,15 L608,105 L616,60 L700,60 L712,60 L720,38 L728,82 L736,60 L820,60 L832,60 L840,22 L848,98 L856,60 L940,60 L952,60 L960,45 L968,75 L976,60 L1060,60 L1072,60 L1080,18 L1088,102 L1096,60 L1200,60');
    animation:travel 7s linear infinite;
  }
  @keyframes travel{
    from{offset-distance:0%;}
    to{offset-distance:100%;}
  }
  @media (prefers-reduced-motion: reduce){
    .wave-dot{animation:none; offset-distance:5%;}
  }
  .hero-icon{
    width:88px;
    height:88px;
    margin:0 auto 36px;
    position:relative;
  }
  .eyebrow{
    font-family:var(--mono);
    font-size:12px;
    letter-spacing:0.14em;
    text-transform:uppercase;
    color:var(--rose);
    margin-bottom:20px;
  }
  h1{
    font-family:var(--display);
    font-weight:600;
    font-size:clamp(36px, 6vw, 62px);
    line-height:1.08;
    letter-spacing:-0.01em;
    margin-bottom:22px;
  }
  h1 .accent{color:var(--rose);}
  .hero-sub{
    max-width:560px;
    margin:0 auto 40px;
    color:var(--text-dim);
    font-size:18px;
    line-height:1.6;
  }
  .cta-row{
    display:flex;
    gap:14px;
    justify-content:center;
    flex-wrap:wrap;
    margin-bottom:20px;
  }
  .btn-primary{
    background:var(--rose);
    color:#0a0508;
    border:none;
    cursor:pointer;
    font-family:inherit;
    font-weight:600;
    font-size:15px;
    padding:14px 28px;
    border-radius:7px;
    transition:background 0.15s ease, transform 0.15s ease;
    display:inline-flex;
    align-items:center;
    gap:8px;
  }
  .btn-primary:hover{background:#ef6b8e; transform:translateY(-1px);}
  .btn-secondary{
    border:1px solid var(--line);
    color:var(--text);
    font-weight:500;
    font-size:15px;
    padding:14px 28px;
    border-radius:7px;
    transition:border-color 0.15s ease, background 0.15s ease;
  }
  .btn-secondary:hover{border-color:var(--text-faint); background:var(--bg-panel);}
  .hero-meta{
    font-family:var(--mono);
    font-size:12.5px;
    color:var(--text-faint);
  }
  @media (max-width:720px){
    .hero{
      padding:72px 20px 56px;
    }
    .hero-wave{
      top:42%;
      height:64px;
    }
    .hero-icon{
      width:72px;
      height:72px;
      margin-bottom:28px;
    }
    .hero-sub{
      font-size:16px;
      margin-bottom:28px;
    }
    .cta-row{
      gap:10px;
    }
    .btn-primary,
    .btn-secondary{
      width:100%;
      justify-content:center;
      padding:13px 18px;
    }
    .hero-meta{
      font-size:11.5px;
      line-height:1.6;
    }
  }

  /* ---------- proof strip ---------- */
  .proof-strip{
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
    padding:22px 32px;
  }
  .proof-strip .wrap{
    display:flex;
    justify-content:space-between;
    align-items:center;
    flex-wrap:wrap;
    gap:14px;
    font-family:var(--mono);
    font-size:12.5px;
    color:var(--text-faint);
    letter-spacing:0.02em;
  }
  .proof-strip span{color:var(--text-dim);}
  @media (max-width:720px){
    .proof-strip{
      padding:18px 20px;
    }
    .proof-strip .wrap{
      gap:10px;
      font-size:11.5px;
    }
  }

  /* ---------- section shared ---------- */
  section{padding:100px 32px;}
  .section-head{
    max-width:640px;
    margin:0 auto 64px;
    text-align:center;
  }
  .section-head .eyebrow{margin-bottom:14px;}
  h2{
    font-family:var(--display);
    font-weight:600;
    font-size:clamp(28px, 4vw, 38px);
    letter-spacing:-0.01em;
    margin-bottom:14px;
  }
  .section-head p{
    color:var(--text-dim);
    font-size:16.5px;
  }
  @media (max-width:720px){
    section{
      padding:72px 20px;
    }
    .section-head{
      margin-bottom:40px;
    }
    .section-head p{
      font-size:15.5px;
    }
  }

  /* ---------- what it is ---------- */
  .what-grid{
    max-width:760px;
    margin:0 auto;
    text-align:center;
  }
  .what-grid p{
    font-size:19px;
    color:var(--text-dim);
    line-height:1.75;
  }
  .what-grid p + p{margin-top:20px;}
  .what-grid strong{color:var(--text); font-weight:600;}
  @media (max-width:720px){
    .what-grid p{
      font-size:17px;
      line-height:1.7;
    }
  }

  /* ---------- signal path demo (signature element) ---------- */
  .signalpath{
    background:var(--bg-panel);
    border:1px solid var(--line);
    border-radius:14px;
    padding:56px 40px;
    max-width:880px;
    margin:0 auto;
  }
  .sp-title{
    font-family:var(--mono);
    font-size:12px;
    letter-spacing:0.1em;
    text-transform:uppercase;
    color:var(--text-faint);
    text-align:center;
    margin-bottom:44px;
  }
  .sp-track{
    display:grid;
    grid-template-columns:1fr auto 1fr auto 1fr auto 1fr;
    align-items:center;
    gap:0;
    margin-bottom:16px;
  }
  .sp-stage{
    text-align:center;
    padding:0 8px;
  }
  .sp-stage .label{
    font-family:var(--mono);
    font-size:12px;
    color:var(--text-dim);
    margin-bottom:6px;
  }
  .sp-stage .value{
    font-family:var(--mono);
    font-size:14px;
    color:var(--text);
    font-weight:500;
  }
  .sp-connector{
    height:1px;
    background:var(--line);
    position:relative;
  }
  .sp-connector.on{background:var(--rose);}
  .sp-result{
    display:flex;
    align-items:center;
    justify-content:center;
    gap:10px;
    margin-top:36px;
    padding-top:32px;
    border-top:1px solid var(--line);
  }
  .sp-badge{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-family:var(--mono);
    font-size:13.5px;
    padding:8px 16px;
    border-radius:20px;
  }
  .sp-badge.pure{
    background:rgba(232,82,122,0.1);
    color:var(--rose);
    border:1px solid rgba(232,82,122,0.3);
  }
  .sp-caption{
    text-align:center;
    color:var(--text-dim);
    font-size:15px;
    margin-top:28px;
    max-width:460px;
    margin-left:auto;
    margin-right:auto;
  }
  @media (max-width:640px){
    .sp-track{grid-template-columns:1fr; gap:14px;}
    .sp-connector{width:1px; height:20px; margin:0 auto;}
    .signalpath{padding:36px 22px;}
  }

  /* ---------- feature grid ---------- */
  .features{
    display:grid;
    grid-template-columns:repeat(2, 1fr);
    gap:1px;
    background:var(--line);
    border:1px solid var(--line);
    border-radius:14px;
    overflow:hidden;
    max-width:960px;
    margin:0 auto;
  }
  .feature{
    background:var(--bg-panel);
    padding:36px;
  }
  .feature .num{
    font-family:var(--mono);
    font-size:12px;
    color:var(--rose);
    margin-bottom:16px;
  }
  .feature h3{
    font-family:var(--display);
    font-weight:600;
    font-size:19px;
    margin-bottom:10px;
  }
  .feature p{
    color:var(--text-dim);
    font-size:15px;
    line-height:1.65;
  }
  @media (max-width:720px){
    .features{grid-template-columns:1fr;}
  }

  /* ---------- formats ---------- */
  .formats-panel{
    max-width:880px;
    margin:0 auto;
    background:var(--bg-panel);
    border:1px solid var(--line);
    border-radius:14px;
    padding:44px;
  }
  .format-row{
    display:flex;
    justify-content:space-between;
    align-items:baseline;
    padding:16px 0;
    border-bottom:1px solid var(--line);
    flex-wrap:wrap;
    gap:8px;
  }
  .format-row:last-child{border-bottom:none;}
  .format-cat{
    font-family:var(--mono);
    font-size:12px;
    text-transform:uppercase;
    letter-spacing:0.08em;
    color:var(--text-faint);
    width:110px;
    flex-shrink:0;
  }
  .format-list{
    color:var(--text);
    font-size:15px;
    flex:1;
  }
  .format-note{
    color:var(--text-dim);
    font-size:13px;
    width:100%;
    margin-top:2px;
  }
  @media (max-width:720px){
    .formats-panel{
      padding:28px 20px;
    }
    .format-cat{
      width:100%;
      margin-bottom:2px;
    }
  }

  /* ---------- pricing ---------- */
  .pricing-card{
    max-width:420px;
    margin:0 auto;
    background:var(--bg-panel);
    border:1px solid var(--line);
    border-radius:16px;
    padding:48px 40px;
    text-align:center;
    position:relative;
  }
  .pricing-card::before{
    content:'';
    position:absolute;
    top:0; left:0; right:0;
    height:2px;
    background:linear-gradient(90deg, transparent, var(--rose), transparent);
  }
  .price{
    font-family:var(--display);
    font-weight:700;
    font-size:56px;
    margin:18px 0 4px;
  }
  .price-note{
    color:var(--text-faint);
    font-size:13.5px;
    font-family:var(--mono);
    margin-bottom:32px;
  }
  .price-list{
    text-align:left;
    margin-bottom:36px;
  }
  .price-list li{
    list-style:none;
    display:flex;
    align-items:flex-start;
    gap:10px;
    padding:10px 0;
    border-bottom:1px solid var(--line);
    font-size:14.5px;
    color:var(--text-dim);
  }
  .price-list li:last-child{border-bottom:none;}
  .price-list svg{flex-shrink:0; margin-top:3px;}
  .price-list strong{color:var(--text); font-weight:500;}
  .price-subnote{
    margin-top:18px;
    color:var(--text-faint);
    font-size:13.5px;
  }
  .buy-button{
    width:100%;
    justify-content:center;
  }
  .checkout-meta{
    margin-top:14px;
    color:var(--text-faint);
    font-size:13px;
    line-height:1.7;
  }
  .checkout-status{
    min-height:24px;
    margin-top:10px;
    font-size:13px;
    line-height:1.6;
    color:var(--text-faint);
  }
  .checkout-status[data-state="success"]{color:var(--text);}
  .checkout-status[data-state="warning"]{color:#f0c778;}
  .checkout-status[data-state="error"]{color:#f0899e;}
  .price-actions{
    margin-top:6px;
  }
  .price-secondary{
    width:100%;
    justify-content:center;
  }
  .price-subnote a{
    color:var(--text);
    text-decoration:underline;
    text-underline-offset:3px;
  }
  @media (max-width:720px){
    .pricing-card{
      padding:36px 22px;
    }
    .price{
      font-size:48px;
    }
  }

  /* ---------- faq accordion ---------- */
  .faq-full{
    max-width:780px;
    margin:0 auto;
    text-align:left;
  }
  .faq-cat{
    font-family:var(--mono);
    font-size:12px;
    text-transform:uppercase;
    letter-spacing:0.1em;
    color:var(--rose);
    margin:44px 0 14px;
  }
  .faq-cat:first-child{margin-top:0;}
  .faq-item{
    background:var(--bg-panel);
    border:1px solid var(--line);
    border-radius:10px;
    margin-bottom:10px;
    transition:border-color 0.15s ease;
    overflow:hidden;
  }
  .faq-item:hover{border-color:var(--text-faint);}
  .faq-item[open]{border-color:rgba(232,82,122,0.35);}
  .faq-item summary{
    cursor:pointer;
    list-style:none;
    padding:18px 22px;
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap:16px;
    font-weight:500;
    font-size:15.5px;
    color:var(--text);
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary::after{
    content:'+';
    color:var(--rose);
    font-size:20px;
    font-weight:400;
    flex-shrink:0;
    transition:transform 0.15s ease;
  }
  .faq-item[open] summary::after{transform:rotate(45deg);}
  .faq-item .a{
    color:var(--text-dim);
    font-size:14.5px;
    line-height:1.7;
    padding:0 22px 22px;
    border-top:1px solid var(--line);
    margin-top:-1px;
    padding-top:16px;
  }
  .faq-item .a p + p{margin-top:12px;}
  .faq-item .a ul{padding-left:20px; margin-top:8px;}
  .faq-item .a li{margin-bottom:4px;}
  .faq-intro{
    text-align:center;
    color:var(--text-dim);
    font-size:16px;
    max-width:600px;
    margin:0 auto 56px;
  }
  @media (max-width:720px){
    .faq-intro{
      font-size:15px;
      margin-bottom:36px;
    }
    .faq-item summary{
      padding:16px 18px;
      font-size:15px;
    }
    .faq-item .a{
      padding:0 18px 18px;
      padding-top:14px;
    }
  }

  /* ---------- footer ---------- */
  footer{
    border-top:1px solid var(--line);
    padding:56px 32px 40px;
  }
  .footer-grid{
    display:flex;
    justify-content:space-between;
    align-items:flex-start;
    flex-wrap:wrap;
    gap:32px;
    margin-bottom:40px;
  }
  .footer-links{
    display:flex;
    gap:28px;
    font-size:14px;
    color:var(--text-dim);
    flex-wrap:wrap;
  }
  .footer-links a:hover{color:var(--text);}
  .footer-bottom{
    display:flex;
    justify-content:space-between;
    flex-wrap:wrap;
    gap:12px;
    font-family:var(--mono);
    font-size:12px;
    color:var(--text-faint);
    padding-top:24px;
    border-top:1px solid var(--line);
  }
  @media (max-width:720px){
    footer{
      padding:44px 20px 32px;
    }
    .footer-grid{
      gap:20px;
      margin-bottom:28px;
    }
    .footer-links{
      gap:16px;
      font-size:13px;
    }
    .footer-bottom{
      font-size:11.5px;
    }
  }

  /* ---------- shared content pages ---------- */
  .page-shell{
    max-width:1040px;
    margin:0 auto;
    padding:56px 32px 120px;
  }
  .page-hero{
    text-align:center;
    margin-bottom:56px;
  }
  .page-hero p{
    color:var(--text-dim);
    font-size:17px;
    max-width:680px;
    margin:14px auto 0;
  }
  .page-note{
    max-width:860px;
    margin:0 auto 48px;
    background:var(--bg-panel);
    border:1px solid var(--line);
    border-left:2px solid var(--rose);
    border-radius:10px;
    padding:18px 22px;
    color:var(--text-dim);
    font-size:14.5px;
    line-height:1.7;
  }
  .page-grid{
    display:grid;
    grid-template-columns:repeat(2, minmax(0, 1fr));
    gap:18px;
    margin-bottom:48px;
  }
  .page-card{
    background:var(--bg-panel);
    border:1px solid var(--line);
    border-radius:14px;
    padding:28px;
  }
  .page-card h2{
    font-size:24px;
    margin-bottom:14px;
  }
  .page-card p,
  .page-card li{
    color:var(--text-dim);
    font-size:15px;
    line-height:1.7;
  }
  .page-card p + p{margin-top:12px;}
  .page-card ul,
  .page-card ol{
    padding-left:20px;
    margin-top:10px;
  }
  .page-card li + li{margin-top:6px;}
  .page-card strong{color:var(--text); font-weight:500;}
  .page-card .eyebrow{margin-bottom:12px;}
  .page-section{
    max-width:860px;
    margin:0 auto 48px;
    background:var(--bg-panel);
    border:1px solid var(--line);
    border-radius:14px;
    padding:32px;
  }
  .page-section h2{
    font-size:26px;
    margin-bottom:14px;
  }
  .page-section p,
  .page-section li{
    color:var(--text-dim);
    font-size:15px;
    line-height:1.7;
  }
  .page-section ol,
  .page-section ul{
    padding-left:20px;
    margin-top:12px;
  }
  .page-section li + li{margin-top:6px;}
  .page-cta-row{
    display:flex;
    justify-content:center;
    flex-wrap:wrap;
    gap:14px;
    margin-top:40px;
  }
  .resource-grid{
    max-width:1120px;
    margin:0 auto;
    display:grid;
    grid-template-columns:repeat(3, minmax(0, 1fr));
    gap:18px;
  }
  .resource-card{
    display:block;
    background:var(--bg-panel);
    border:1px solid var(--line);
    border-radius:14px;
    padding:28px;
    transition:border-color 0.15s ease, transform 0.15s ease, background 0.15s ease;
  }
  .resource-card:hover{
    border-color:rgba(232,82,122,0.35);
    transform:translateY(-2px);
    background:var(--bg-panel-raised);
  }
  .resource-kicker{
    font-family:var(--mono);
    font-size:11px;
    text-transform:uppercase;
    letter-spacing:0.12em;
    color:var(--rose);
    margin-bottom:12px;
  }
  .resource-card h3{
    font-family:var(--display);
    font-size:22px;
    font-weight:600;
    margin-bottom:10px;
  }
  .resource-card p{
    color:var(--text-dim);
    font-size:15px;
    line-height:1.7;
  }
  .resource-card .link-line{
    margin-top:18px;
    color:var(--text);
    font-family:var(--mono);
    font-size:12px;
    letter-spacing:0.04em;
  }
  @media (max-width:760px){
    .page-shell{padding:40px 20px 80px;}
    .page-grid,
    .resource-grid{grid-template-columns:1fr;}
    .page-section,
    .page-card,
    .resource-card{padding:24px 20px;}
  }

  /* ==========================================================
     MANUAL PAGE ADDITIONS (manual.html)
     ========================================================== */

  .back{font-size:13.5px; color:var(--text-dim); display:flex; align-items:center; gap:6px;}
  .back:hover{color:var(--text);}

  .shell{
    max-width:1280px;
    margin:0 auto;
    display:grid;
    grid-template-columns:260px 1fr;
    gap:56px;
    padding:48px 32px 120px;
    align-items:start;
  }
  @media (max-width:880px){
    .shell{grid-template-columns:1fr; gap:28px; padding:32px 20px 80px;}
  }

  .sidebar{
    position:sticky;
    top:76px;
    max-height:calc(100vh - 96px);
    overflow-y:auto;
    padding-right:8px;
  }
  @media (max-width:880px){
    .sidebar{position:static; max-height:none; overflow:visible;}
  }
  .filter-box{
    width:100%;
    background:var(--bg-panel);
    border:1px solid var(--line);
    border-radius:8px;
    padding:10px 12px;
    color:var(--text);
    font-family:var(--body);
    font-size:13.5px;
    margin-bottom:20px;
  }
  .filter-box::placeholder{color:var(--text-faint);}
  .filter-box:focus{outline:none; border-color:var(--rose);}
  .toc-group{margin-bottom:22px;}
  .toc-group-title{
    font-family:var(--mono);
    font-size:11px;
    text-transform:uppercase;
    letter-spacing:0.1em;
    color:var(--text-faint);
    margin-bottom:8px;
  }
  .toc-link{
    display:block;
    font-size:13.5px;
    color:var(--text-dim);
    padding:6px 0 6px 12px;
    border-left:2px solid transparent;
    transition:color 0.15s ease, border-color 0.15s ease;
  }
  .toc-link:hover{color:var(--text);}
  .toc-link.active{color:var(--rose); border-left-color:var(--rose);}
  .toc-link.hidden{display:none;}

  .manual-hero{margin-bottom:56px;}
  .manual-hero h1{font-size:clamp(30px, 4vw, 42px); text-align:left; margin-left:0;}
  .manual-hero p{color:var(--text-dim); font-size:17px; max-width:640px; margin:0;}
  @media (max-width:720px){
    .manual-hero{
      margin-bottom:36px;
    }
    .manual-hero p{
      font-size:15.5px;
    }
  }

  .chapter{
    padding:40px 0;
    border-bottom:1px solid var(--line);
    scroll-margin-top:88px;
  }
  .chapter:first-of-type{padding-top:0;}
  .chapter-num{
    display:inline-block;
    font-family:var(--mono);
    font-size:11px;
    color:var(--rose);
    background:rgba(232,82,122,0.1);
    border:1px solid rgba(232,82,122,0.3);
    border-radius:20px;
    padding:3px 11px;
    margin-bottom:14px;
  }
  .chapter h2{font-family:var(--display); font-weight:600; font-size:23px; margin-bottom:16px;}
  .chapter h3{font-family:var(--display); font-weight:600; font-size:17px; margin:24px 0 10px;}
  .chapter p{color:var(--text-dim); font-size:15.5px; margin-bottom:14px; max-width:680px;}
  .chapter ul, .chapter ol{color:var(--text-dim); font-size:15.5px; padding-left:22px; margin-bottom:14px; max-width:680px;}
  .chapter li{margin-bottom:6px;}
  .chapter strong{color:var(--text); font-weight:500;}

  .callout{
    background:var(--bg-panel);
    border:1px solid var(--line);
    border-left:2px solid var(--rose);
    border-radius:6px;
    padding:16px 20px;
    color:var(--text-dim);
    font-size:14.5px;
    margin:16px 0;
    max-width:680px;
  }

  .ts-item{
    background:var(--bg-panel);
    border:1px solid var(--line);
    border-radius:10px;
    margin-bottom:10px;
    transition:border-color 0.15s ease;
    overflow:hidden;
  }
  .ts-item:hover{border-color:var(--text-faint);}
  .ts-item[open]{border-color:rgba(232,82,122,0.35);}
  .ts-item summary{
    cursor:pointer; list-style:none;
    display:flex; justify-content:space-between; align-items:center;
    padding:16px 20px; font-weight:500; font-size:15px; color:var(--text);
    max-width:none;
  }
  .ts-item summary::-webkit-details-marker{display:none;}
  .ts-item summary::after{content:'+'; color:var(--rose); font-size:18px; flex-shrink:0; transition:transform 0.15s ease;}
  .ts-item[open] summary::after{transform:rotate(45deg);}
  .ts-item .a{
    padding:16px 20px 20px;
    color:var(--text-dim);
    font-size:14.5px;
    max-width:none;
    border-top:1px solid var(--line);
  }
  .ts-item .a ol{padding-left:20px; margin-bottom:10px;}
  .ts-item .a p{margin-bottom:8px;}

  .manual-end{
    margin-top:24px;
    padding-top:40px;
    text-align:center;
  }

  footer.manual-footer{
    border-top:1px solid var(--line);
    padding:32px;
    text-align:center;
    font-family:var(--mono);
    font-size:12px;
    color:var(--text-faint);
  }