:root {
    --bg:#09090b; --bg-2:#111114; --bg-3:#18181c; --bg-4:#202026;
    --border:rgba(255,255,255,0.07); --border-2:rgba(255,255,255,0.13);
    --teal:#2dd4bf; --teal-dim:#1a9e8f; --teal-glow:rgba(45,212,191,0.1);
    --cream:#f0ece4; --cream-dim:#a09890; --cream-faint:#4a4540;
    --serif:'Libre Bodoni',Georgia,serif;
    --mono:'JetBrains Mono','Courier New',monospace;
    --body:'Source Serif 4',Georgia,serif;
    --r:6px; --rl:12px;
  }
  *,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth;background:var(--bg)}
  body{background:transparent;color:var(--cream);font-family:var(--body);font-size:19px;line-height:1.75;-webkit-font-smoothing:antialiased;overflow-x:hidden;max-width:100vw}

  /* NAV */
  nav{position:fixed;top:0;left:0;right:0;z-index:100;padding:0 2rem;height:64px;display:flex;align-items:center;justify-content:space-between;background:rgba(9,9,11,0.9);backdrop-filter:blur(16px);border-bottom:1px solid var(--border)}
  .nav-logo{display:flex;align-items:center;gap:10px;text-decoration:none}
  .logo-mark{width:30px;height:30px;border:1.5px solid var(--teal);border-radius:5px;display:flex;align-items:center;justify-content:center}
  .logo-text{font-family:var(--mono);font-size:14px;font-weight:500;color:var(--cream);letter-spacing:.08em;text-transform:uppercase}
  .logo-text span{color:var(--teal)}
  .nav-links{display:flex;align-items:center;gap:1.75rem;list-style:none}
  .nav-links a{font-family:var(--mono);font-size:13px;color:var(--cream-dim);text-decoration:none;letter-spacing:.06em;text-transform:uppercase;transition:color .2s}
  .nav-links a:hover{color:var(--teal)}

  /* LAYOUT */
  .page-wrap{max-width:1200px;margin:0 auto;padding:96px 2rem 6rem;display:grid;grid-template-columns:1fr 300px;gap:3rem;align-items:start}

  /* BREADCRUMB */
  .breadcrumb{font-family:var(--mono);font-size:13px;color:var(--cream-faint);margin-bottom:1.5rem;display:flex;align-items:center;gap:8px;letter-spacing:.06em}
  .breadcrumb a{color:var(--cream-faint);text-decoration:none;transition:color .15s}
  .breadcrumb a:hover{color:var(--teal)}
  .breadcrumb span{color:var(--cream-dim)}

  /* ARTICLE HEADER */
  .article-cat{font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:.15em;text-transform:uppercase;padding:5px 12px;border-radius:3px;background:rgba(45,212,191,.1);color:var(--teal);display:inline-block;margin-bottom:1rem}
  .article-title{font-family:var(--serif);font-size:clamp(2.5rem,5vw,3.75rem);font-weight:700;line-height:1.05;color:var(--cream);margin-bottom:.75rem}
  .article-title em{font-style:italic;color:var(--teal)}
  .article-sub{font-size:1.1rem;color:var(--cream-dim);max-width:620px;font-weight:300;margin-bottom:2rem;line-height:1.7}
  .last-reviewed{font-family:var(--mono);font-size:12px;color:var(--cream-faint);letter-spacing:.08em;margin-bottom:2.5rem;display:flex;align-items:center;gap:8px}
  .last-reviewed::before{content:'';width:12px;height:1px;background:var(--teal);flex-shrink:0}

  /* QUICKSTART BOX */
  .quickstart{background:var(--bg-2);border:1px solid var(--border);border-radius:var(--rl);padding:1.5rem 2rem;margin-bottom:2.5rem;position:relative;overflow:visible}
  .quickstart::before{content:'QUICKSTART';font-family:var(--mono);font-size:13px;letter-spacing:.15em;color:var(--teal);position:absolute;top:-1px;left:20px;background:var(--bg-2);padding:2px 10px;transform:translateY(-50%)}
  .qs-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}
  .qs-item{}
  .qs-label{font-family:var(--mono);font-size:11px;color:var(--cream-faint);letter-spacing:.12em;text-transform:uppercase;margin-bottom:4px}
  .qs-val{font-family:var(--mono);font-size:1rem;color:var(--cream);font-weight:400}
  .qs-val strong{color:var(--teal)}

  /* VIAL SELECTOR */
  .vial-selector{display:flex;gap:0;border:1px solid var(--border);border-radius:var(--r);overflow:hidden;margin-bottom:2rem;width:fit-content}
  .vial-btn{font-family:var(--mono);font-size:13px;font-weight:500;color:var(--cream-dim);background:transparent;border:none;padding:10px 20px;cursor:pointer;border-right:1px solid var(--border);transition:all .15s;letter-spacing:.06em}
  .vial-btn:last-child{border-right:none}
  .vial-btn.active{background:var(--bg-3);color:var(--cream)}

  /* SECTION HEADERS */
  .section-divider{height:1px;background:var(--border);margin:3rem 0}
  h2.sec-title{font-family:var(--serif);font-size:1.75rem;font-weight:400;color:var(--cream);margin-bottom:1rem;line-height:1.2}
  h3.sub-title{font-family:var(--mono);font-size:13px;font-weight:500;color:var(--teal);letter-spacing:.12em;text-transform:uppercase;margin-bottom:.75rem;margin-top:1.5rem}
  p.body-text{color:var(--cream-dim);font-size:1.1rem;line-height:1.8;font-weight:300;margin-bottom:1rem}
  p.body-text strong{color:var(--cream);font-weight:500}

  /* DOSING TABLE */
  .table-wrap{overflow-x:auto;margin:1.25rem 0;border:1px solid var(--border);border-radius:var(--r)}
  table{width:100%;border-collapse:collapse}
  thead tr{background:var(--bg-3);border-bottom:1px solid var(--border)}
  th{font-family:var(--mono);font-size:12px;font-weight:500;color:var(--cream-dim);letter-spacing:.1em;text-transform:uppercase;padding:12px 16px;text-align:left}
  tbody tr{border-bottom:1px solid var(--border)}
  tbody tr:last-child{border-bottom:none}
  tbody tr:hover{background:var(--bg-3)}
  td{font-family:var(--mono);font-size:14px;color:var(--cream);padding:14px 16px}
  td.highlight{color:var(--teal);font-weight:500}
  td.muted{color:var(--cream-dim)}

  /* RECON STEPS */
  .recon-steps{display:flex;flex-direction:column;gap:0;margin:1.25rem 0;border:1px solid var(--border);border-radius:var(--rl);overflow:hidden}
  .recon-step{display:flex;gap:1rem;align-items:flex-start;padding:1rem 1.25rem;border-bottom:1px solid var(--border);background:var(--bg-2)}
  .recon-step:last-child{border-bottom:none}
  .step-num{font-family:var(--mono);font-size:13px;font-weight:500;color:var(--teal);width:20px;flex-shrink:0;padding-top:1px}
  .step-text{font-size:1rem;color:var(--cream-dim);font-weight:300;line-height:1.6}
  .step-text strong{color:var(--cream);font-weight:500}

  /* SUPPLIES */
  .supplies-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--border);border:1px solid var(--border);border-radius:var(--rl);overflow:hidden;margin:1.25rem 0}
  .supply-card{background:var(--bg-2);padding:1.25rem 1.5rem}
  .supply-name{font-family:var(--mono);font-size:14px;font-weight:500;color:var(--cream);letter-spacing:.04em;margin-bottom:.75rem}
  .supply-rows{display:flex;flex-direction:column;gap:4px}
  .supply-row{display:flex;justify-content:space-between;align-items:baseline}
  .supply-period{font-family:var(--mono);font-size:13px;color:var(--cream-faint);letter-spacing:.06em}
  .supply-qty{font-family:var(--mono);font-size:14px;color:var(--cream)}

  /* NOTES */
  .notes-list{display:flex;flex-direction:column;gap:8px;margin:1rem 0}
  .note-item{display:flex;gap:.75rem;align-items:flex-start;padding:.75rem 1rem;background:var(--bg-2);border:1px solid var(--border);border-radius:var(--r)}
  .note-icon{font-family:var(--mono);font-size:12px;color:var(--cream-faint);flex-shrink:0;padding-top:2px;letter-spacing:.06em}
  .note-text{font-size:1.05rem;color:var(--cream-dim);line-height:1.6;font-weight:300}
  .note-text strong{color:var(--cream);font-weight:500}

  /* BENEFITS / SIDES */
  .two-col-list{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin:1rem 0}
  .list-block{background:var(--bg-2);border:1px solid var(--border);border-radius:var(--r);padding:1.25rem}
  .list-block-title{font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;margin-bottom:.75rem}
  .list-block-title.good{color:var(--teal)}
  .list-block-title.warn{color:#f59e0b}
  .list-items{display:flex;flex-direction:column;gap:6px;list-style:none}
  .list-items li{font-size:1rem;color:var(--cream-dim);line-height:1.55;font-weight:300;padding-left:14px;position:relative}
  .list-items li::before{content:'—';position:absolute;left:0;color:var(--cream-faint);font-family:var(--mono)}

  /* INJECTION TECHNIQUE */
  .inject-steps{display:flex;flex-direction:column;gap:8px;margin:1rem 0}
  .inject-step{display:flex;gap:1rem;padding:.75rem 1rem;background:var(--bg-2);border:1px solid var(--border);border-radius:var(--r)}
  .inject-num{font-family:var(--mono);font-size:13px;color:var(--teal);flex-shrink:0;width:18px;padding-top:2px}
  .inject-text{font-size:1.05rem;color:var(--cream-dim);line-height:1.6;font-weight:300}
  .inject-text strong{color:var(--cream);font-weight:500}

  /* REFERENCES */
  .refs{display:flex;flex-direction:column;gap:0;border:1px solid var(--border);border-radius:var(--rl);overflow:hidden;margin:1rem 0}
  .ref-item{display:flex;gap:1rem;padding:1rem 1.25rem;border-bottom:1px solid var(--border);background:var(--bg-2)}
  .ref-item:last-child{border-bottom:none}
  .ref-num{font-family:var(--mono);font-size:13px;color:var(--teal);flex-shrink:0;width:24px;padding-top:2px}
  .ref-body{}
  .ref-source{font-family:var(--mono);font-size:12px;color:var(--cream-faint);letter-spacing:.08em;text-transform:uppercase;margin-bottom:3px}
  .ref-title{font-size:1rem;color:var(--cream-dim);line-height:1.5;font-weight:300;margin-bottom:5px}
  .ref-link{font-family:var(--mono);font-size:12px;color:var(--teal);text-decoration:none;letter-spacing:.04em}
  .ref-link:hover{text-decoration:underline}

  /* SIDEBAR */
  .sidebar{position:sticky;top:84px}
  .sidebar-card{background:var(--bg-2);border:1px solid var(--border);border-radius:var(--rl);overflow:hidden;margin-bottom:1rem}
  .sidebar-card-header{font-family:var(--mono);font-size:12px;font-weight:500;color:var(--cream-dim);letter-spacing:.12em;text-transform:uppercase;padding:.75rem 1.25rem;border-bottom:1px solid var(--border);background:var(--bg-3)}
  .sidebar-card-body{padding:1.25rem}
  .toc-links{display:flex;flex-direction:column;gap:4px;list-style:none}
  .toc-links a{font-size:.95rem;color:var(--cream-faint);text-decoration:none;transition:color .15s;padding:4px 0;border-left:2px solid transparent;padding-left:10px;display:block}
  .toc-links a:hover{color:var(--teal);border-left-color:var(--teal)}
  .sidebar-stat-row{display:flex;justify-content:space-between;align-items:baseline;padding:.5rem 0;border-bottom:1px solid var(--border)}
  .sidebar-stat-row:last-child{border-bottom:none}
  .ss-label{font-family:var(--mono);font-size:12px;color:var(--cream-faint);letter-spacing:.08em}
  .ss-val{font-family:var(--mono);font-size:14px;color:var(--cream);font-weight:500}
  .ss-val.teal{color:var(--teal)}

  /* DISCLAIMER INLINE */
  .inline-disclaimer{background:var(--bg-3);border:1px solid var(--border);border-left:3px solid var(--cream-faint);border-radius:var(--r);padding:1rem 1.25rem;margin:2rem 0;font-size:.9rem;color:var(--cream-faint);line-height:1.65;font-weight:300}
  .inline-disclaimer strong{color:var(--cream-dim);font-weight:500}

  /* STORAGE BOX */
  .storage-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--border);border:1px solid var(--border);border-radius:var(--rl);overflow:hidden;margin:1rem 0}
  .storage-card{background:var(--bg-2);padding:1.25rem}
  .storage-label{font-family:var(--mono);font-size:12px;color:var(--cream-faint);letter-spacing:.1em;text-transform:uppercase;margin-bottom:.5rem}
  .storage-val{font-family:var(--mono);font-size:1rem;color:var(--teal);font-weight:400;margin-bottom:.25rem}
  .storage-note{font-size:.95rem;color:var(--cream-faint);line-height:1.5;font-weight:300}

  /* RELATED */
  .related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--border);border:1px solid var(--border);border-radius:var(--rl);overflow:hidden;margin-top:1rem}
  .related-card{background:var(--bg-2);padding:1rem 1.25rem;text-decoration:none;transition:background .15s}
  .related-card:hover{background:var(--bg-3)}
  .rc-cat{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;padding:3px 8px;border-radius:3px;background:rgba(45,212,191,.1);color:var(--teal);display:inline-block;margin-bottom:6px}
  .rc-name{font-size:1rem;font-weight:500;color:var(--cream);margin-bottom:4px}
  .rc-desc{font-size:.9rem;color:var(--cream-dim);line-height:1.4;font-weight:300}

  /* HAMBURGER */
  .nav-burger{display:none;background:none;border:none;cursor:pointer;padding:6px;flex-direction:column;gap:5px}
  .nav-burger span{display:block;width:22px;height:2px;background:var(--cream);transition:all .2s}
  .nav-burger.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
  .nav-burger.active span:nth-child(2){opacity:0}
  .nav-burger.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

  /* RESPONSIVE */
  @media(max-width:900px){
    .page-wrap{grid-template-columns:1fr;padding:80px 1rem 4rem;gap:2rem}
    .sidebar{position:static}
    .two-col-list,.supplies-grid,.storage-grid,.qs-grid{grid-template-columns:1fr}
    .nav-burger{display:flex}
    .nav-links{display:none;position:absolute;top:64px;left:0;right:0;background:rgba(9,9,11,0.97);backdrop-filter:blur(16px);flex-direction:column;padding:1rem 2rem 1.5rem;border-bottom:1px solid var(--border);gap:0}
    .nav-links.open{display:flex}
    .nav-links li{border-bottom:1px solid var(--border)}
    .nav-links li:last-child{border-bottom:none}
    .nav-links a{display:block;padding:0.875rem 0;font-size:14px}
    .related-grid{grid-template-columns:1fr}
    .quickstart{padding:1.25rem 1rem}
    .source-box{padding:1.5rem 1rem}
    nav{padding:0 1rem}
    .table-wrap{max-width:calc(100vw - 2rem)}
    .vial-selector{flex-wrap:wrap}
  }
  ::-webkit-scrollbar{width:5px}
  ::-webkit-scrollbar-track{background:var(--bg)}
  ::-webkit-scrollbar-thumb{background:var(--bg-4);border-radius:3px}

  /* VIAL IMAGE */
  .header-with-vial{display:flex;align-items:flex-start}
  .header-with-vial .header-left{flex:0 0 auto;margin-right:auto}
  .header-with-vial .vial-img{max-height:320px;width:auto;border-radius:var(--rl);object-fit:contain;flex-shrink:0;margin-left:3rem;margin-right:auto}
  @media(max-width:900px){.header-with-vial{flex-direction:column}.header-with-vial .vial-img{max-height:360px;width:100%;align-self:center;margin-left:0}}

  /* RECOMMENDED SOURCE */
  .source-box{background:var(--bg-2);border:1px solid var(--border);border-left:3px solid var(--teal);border-radius:var(--rl);padding:2rem;margin:2.5rem 0}
  .source-box-header{display:flex;align-items:center;gap:10px;margin-bottom:1rem}
  .source-box-title{font-family:var(--serif);font-size:1.4rem;color:var(--cream);font-weight:400}
  .source-box-sub{font-size:1rem;color:var(--cream-dim);font-weight:300;line-height:1.7;margin-bottom:1.25rem}
  .source-box-sub strong{color:var(--cream);font-weight:500}
  .source-box h4{font-family:var(--mono);font-size:12px;color:var(--cream-faint);letter-spacing:.12em;text-transform:uppercase;margin-bottom:.75rem}
  .source-box ul{list-style:none;margin:0 0 1.5rem;padding:0}
  .source-box li{font-size:1rem;color:var(--cream-dim);font-weight:300;padding:6px 0 6px 20px;position:relative;line-height:1.6}
  .source-box li::before{content:'';position:absolute;left:0;top:14px;width:6px;height:6px;border-radius:50%;background:var(--teal);opacity:.5}
  .source-btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:14px;font-weight:500;color:var(--bg);background:var(--teal);padding:12px 26px;border-radius:var(--r);text-decoration:none;letter-spacing:.04em;transition:all .15s}
  .source-btn:hover{background:#25b8a5;transform:translateY(-1px)}
  .source-nolink{font-size:1rem;color:var(--cream-faint);font-weight:300;font-style:italic;margin-top:.5rem}

  /* PARTICLES */
  #sideFx{position:fixed;top:0;left:0;width:100%;height:100%;z-index:0;pointer-events:none}
  nav,.page-wrap,.idx-hero,.idx-wrap,.idx-footer,.catalog-wrap,.research-wrap,.edu-wrap,.hero,.research-hero,.edu-hero,.error-wrap,.research-footer,.pel-banner{position:relative;z-index:1}
  .side-glow{position:fixed;top:0;width:400px;height:100%;pointer-events:none;z-index:0}
  .side-glow--l{left:-100px;background:radial-gradient(ellipse at 60% 35%,rgba(255,255,255,0.05) 0%,transparent 70%)}
  .side-glow--r{right:-100px;background:radial-gradient(ellipse at 40% 65%,rgba(255,255,255,0.05) 0%,transparent 70%)}
  @media(max-width:768px){.side-glow,#sideFx{display:none}}