*{margin:0;padding:0;box-sizing:border-box}
:root{--bg:#0a0e17;--surface:#111827;--surface2:#1a2234;--border:#1e293b;--text:#e2e8f0;--text2:#94a3b8;--accent:#3b82f6;--accent2:#6366f1;--cyan:#06b6d4;--green:#22c55e;--orange:#f97316;--red:#ef4444;--yellow:#eab308}
body{font-family:'Segoe UI',system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;min-height:100vh}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
.header{background:linear-gradient(135deg,#0f172a 0%,#1e1b4b 50%,#0f172a 100%);border-bottom:1px solid var(--border);padding:1.5rem 2rem;text-align:center}
.header h1{font-size:2rem;font-weight:800;background:linear-gradient(135deg,var(--cyan),var(--accent),var(--accent2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.header p{color:var(--text2);font-size:.9rem;margin-top:.25rem}
.brand{font-size:.75rem;color:var(--text2);margin-top:.5rem;opacity:.7}
nav{display:flex;justify-content:center;gap:1.5rem;margin-top:.75rem;flex-wrap:wrap}
nav a{color:var(--text2);font-size:.85rem;font-weight:500;transition:color .15s}nav a:hover{color:var(--text);text-decoration:none}nav a.active{color:var(--accent)}
.container{max-width:860px;margin:0 auto;padding:2rem 1.5rem}
.panel{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:2rem;margin-bottom:1.5rem}
.panel h2{font-size:1.3rem;font-weight:700;margin-bottom:1rem;display:flex;align-items:center;gap:.5rem}
.panel h3{font-size:1.05rem;font-weight:600;margin:1.5rem 0 .5rem;color:var(--accent)}
.panel h3:first-child{margin-top:0}
.panel p,.panel li{font-size:.9rem;color:var(--text2);margin-bottom:.6rem}
.panel ul,.panel ol{padding-left:1.5rem}
.panel li{margin-bottom:.5rem}
.panel strong{color:var(--text)}

/* Intro callout */
.callout{background:linear-gradient(135deg,#1e3a5f20,#3b82f610);border:1px solid #3b82f630;border-radius:12px;padding:1.5rem 2rem;margin-bottom:1.5rem}
.callout p{color:var(--text2);font-size:.9rem;margin:0}
.callout strong{color:var(--text)}

/* TOC */
.toc{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:1.5rem 2rem;margin-bottom:1.5rem}
.toc h2{font-size:1.1rem;font-weight:700;margin-bottom:.75rem}
.toc ol{padding-left:1.5rem}
.toc li{margin-bottom:.4rem}
.toc a{color:var(--cyan);font-size:.9rem;font-weight:500}
.toc a:hover{color:var(--text)}

/* Code/example blocks */
.example-block{background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:1rem 1.25rem;margin:.75rem 0 1rem;font-family:'Cascadia Code','Fira Code',monospace;font-size:.82rem;color:var(--cyan);line-height:1.7;overflow-x:auto;white-space:pre-wrap;word-break:break-all}
.example-label{display:inline-block;font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;padding:.2rem .6rem;border-radius:4px;margin-bottom:.5rem}
.label-try{background:#22c55e20;color:var(--green)}
.label-safe{background:#3b82f620;color:var(--accent)}
.label-result{background:#f9731620;color:var(--orange)}
.label-warning{background:#ef444420;color:var(--red)}

/* Expect block */
.expect{background:var(--surface2);border-left:3px solid var(--orange);border-radius:0 8px 8px 0;padding:.85rem 1.15rem;margin:.75rem 0 1rem}
.expect p{font-size:.85rem;color:var(--text2);margin:0 0 .3rem}
.expect strong{color:var(--orange)}

/* Tip block */
.tip{background:var(--surface2);border-left:3px solid var(--green);border-radius:0 8px 8px 0;padding:.85rem 1.15rem;margin:.75rem 0 1rem}
.tip p{font-size:.85rem;color:var(--text2);margin:0}
.tip strong{color:var(--green)}
@media(max-width:640px){
  .header{padding:1rem 1rem}
  .header h1{font-size:1.5rem}
  nav{gap:.75rem}
  nav a{font-size:.8rem}
  .container{padding:1rem .75rem}
  .panel{padding:1.25rem}
  .callout{padding:1rem 1.25rem}
  .toc{padding:1rem 1.25rem}
}
@media(max-width:480px){
  .header h1{font-size:1.3rem}
  .header p{font-size:.8rem}
}

/* Warning block */
.warn{background:var(--surface2);border-left:3px solid var(--red);border-radius:0 8px 8px 0;padding:.85rem 1.15rem;margin:.75rem 0 1rem}
.warn p{font-size:.85rem;color:var(--text2);margin:0}
.warn strong{color:var(--red)}

/* Step numbers */
.step{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:50%;background:var(--accent);color:#fff;font-size:.75rem;font-weight:700;margin-right:.5rem;flex-shrink:0}

/* Analyzer section anchors */
.analyzer-section{scroll-margin-top:2rem}

/* Numbered cards for attack types */
.num-badge{display:inline-block;width:28px;height:28px;border-radius:50%;text-align:center;line-height:28px;font-size:.8rem;font-weight:700;margin-right:.4rem;flex-shrink:0}
.nb1{background:#ef444420;color:var(--red)}.nb2{background:#f9731620;color:var(--orange)}
.nb3{background:#eab30820;color:var(--yellow)}.nb4{background:#8b5cf620;color:#8b5cf6}
.nb5{background:#3b82f620;color:var(--accent)}.nb6{background:#06b6d420;color:var(--cyan)}
.nb7{background:#22c55e20;color:var(--green)}.nb8{background:#ec489920;color:#ec4899}

.shield-icon{display:inline-flex;align-items:center;justify-content:center;width:2.2rem;height:2.2rem;flex-shrink:0;vertical-align:middle}
.shield-icon svg{width:100%;height:100%}
.shield-num{display:inline-flex;align-items:center;justify-content:center;width:2.2rem;height:2.2rem;flex-shrink:0;vertical-align:middle;margin-right:.4rem}
.shield-num svg{width:100%;height:100%}

.footer{text-align:center;padding:2rem;color:var(--text2);font-size:.75rem;border-top:1px solid var(--border);margin-top:2rem}
.footer a{color:var(--text2);margin:0 .75rem}.footer a:hover{color:var(--text)}

/* Extracted from former inline style="" attributes (CSP style-src hardening) */
.logo-link{-webkit-text-fill-color:initial;text-decoration:none}
.header-logo{height:1.6em;vertical-align:middle;margin-right:.3rem}
.footer-logo{height:2rem;vertical-align:middle;margin-top:.5rem}
.clr-cyan{color:var(--cyan)}
.clr-green{color:var(--green)}
.clr-yellow{color:var(--yellow)}
.clr-orange{color:var(--orange)}
.clr-red{color:var(--red)}
.clr-text2{color:var(--text2)}