/* Base */
    *{box-sizing:border-box;margin:0;padding:0}
    :root{
      --ink:#0B1220; --muted:rgba(11,18,32,.68); --line:rgba(11,18,32,.10);
      --brand:#00BBD4; --brand-weak:rgba(0,187,212,.12);
      --bg:#F5F7FA; --card:#fff;
      --radius-lg:16px; --radius:12px;
      --shadow-sm:0 4px 14px rgba(11,18,32,.06);
      --shadow-md:0 8px 28px rgba(11,18,32,.08);
    }
    body{font-family:'Inter',system-ui,sans-serif;line-height:1.65;color:var(--ink);background:var(--bg);}

    a{color:var(--brand);text-decoration:none}
    a:hover{text-decoration:underline}


    ol {
    /* This will indent the entire ordered list and its list items */
    padding-left: 15px;
    }

    li {
    /* You can also add a margin to the list items themselves for extra spacing */
    margin-left: 15px;
    }

    .header{background:rgba(245,247,250,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
    .nav{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:14px 20px}
    .logo{font-weight:700;font-size:22px;color:var(--brand);text-decoration:none}

    .container{max-width:1200px;margin:0 auto;padding:0 20px}

    /* Sub-hero */
    .subhero{
      background:linear-gradient(135deg,#F5F7FA 0%,rgba(0,187,212,.06) 100%);
      border-bottom:1px solid var(--line); padding:34px 0
    }
    .crumbs{font-size:14px;color:var(--muted);margin-bottom:10px}
    .crumbs a{color:inherit}
    .page-title{font-size:38px;font-weight:800;margin-bottom:8px;letter-spacing:-.015em}
    .page-sub{color:var(--muted);max-width:760px}

    /* Layout */
    .page{display:block;padding:40px 0}
    .aside{display:none}
    .toc-title{font-size:13px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin-bottom:8px}
    .toc{list-style:none;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
      box-shadow:var(--shadow-sm);padding:10px}
    .toc li{margin:2px 0}
    .toc a{display:block;padding:8px 10px;border-radius:8px;color:var(--ink)}
    .toc a.active,.toc a:hover{background:var(--brand-weak)}
    .aside-card{margin-top:16px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px;box-shadow:var(--shadow-sm)}
    .btn{display:inline-block;border:2px solid var(--line);padding:10px 14px;border-radius:10px;text-decoration:none;color:var(--ink)}
    .btn:hover{border-color:rgba(11,18,32,.25)}
    .btn-primary{background:var(--brand);border-color:var(--brand);color:#00343b}
    .btn-primary:hover{opacity:.9}

    .content{min-width:0}
    .prose{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
      box-shadow:var(--shadow-md);padding:28px}
    .prose h2{font-size:28px;margin:22px 0 10px}
    .prose h3{font-size:20px;margin:18px 0 8px}
    .prose p{margin:10px 0;color:rgba(11,18,32,.86)}
    .prose ul{margin:10px 0 10px 22px}
    .badge{display:inline-block;background:var(--brand-weak);color:#00424a;border:1px solid rgba(0,187,212,.3);
      padding:2px 8px;border-radius:999px;font-size:12px}

    .callout{border-left:4px solid var(--brand);background:rgba(0,187,212,.07);
      padding:12px 14px;border-radius:6px;margin:12px 0}
    pre{background:#0b1220;color:#cdeefd;border-radius:12px;padding:14px;
      font-family:'Source Code Pro',monospace;overflow:auto;font-size:14px}

    /* Footer */
    .footer{background:#0B1220;color:#fff;margin-top:40px}
    .footer .container{padding:36px 20px}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:16px;text-align:center;color:rgba(255,255,255,.72)}

    /* Responsive */
    @media (max-width:992px){.page{grid-template-columns:1fr}.aside{position:static}}
    @media (max-width:640px){
      .page-title{font-size:30px}
      .prose{padding:22px}
      .nav{padding:12px 16px}
    }