:root{color-scheme:dark;--bg:#10171f;--panel:#19232e;--muted:#a5b4c3;--ink:#ecf3fa;--mint:#70e1bf;--amber:#f0bb72;--border:#2c3a48;font-family:Inter,Segoe UI,system-ui,sans-serif}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 80% 12%,#1c343d 0,transparent 45%),var(--bg);color:var(--ink);line-height:1.6}.topbar,main,footer{max-width:1180px;margin:auto;padding:26px 36px}.topbar{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border)}.brand{font-weight:800;letter-spacing:.12em;color:var(--ink);text-decoration:none;font-size:15px}.brand span{color:var(--muted);font-weight:400}.badge,.label,.number,.eyebrow,.status,footer{font-size:11px;letter-spacing:.12em;font-weight:700}.badge{border:1px solid var(--mint);color:var(--mint);border-radius:4px;padding:5px 10px}.warning{background:#342b21;border:1px solid #765637;border-radius:7px;padding:13px 18px;color:#f4d4a4;font-size:13px}.hero{padding:52px 0 40px}.eyebrow{color:var(--mint);margin:0 0 18px}h1{font-size:clamp(36px,5.5vw,65px);line-height:1.13;letter-spacing:-.045em;margin:0 0 24px}h1 span{color:var(--mint)}.intro{max-width:650px;font-size:18px;color:var(--muted)}.status{display:inline-flex;gap:10px;align-items:center;color:var(--amber);padding:10px 0}.status.fixed{color:var(--mint)}.dot{height:7px;width:7px;background:currentColor;border-radius:50%}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.cards article{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:27px}.number{color:var(--mint)}h2{font-size:21px;line-height:1.3;margin:14px 0}p{color:var(--muted)}.cards p{font-size:14px;min-height:100px}.label{font-size:9px;color:var(--amber)}.workbench{display:grid;grid-template-columns:1.2fr 1fr;gap:55px;margin:38px 0;background:#14242a;border:1px solid #29474b;border-radius:10px;padding:32px}.workbench p{font-size:14px}code{font-size:12px;color:var(--mint);white-space:normal;overflow-wrap:anywhere}dl{font-size:13px;margin:0}dt{color:var(--muted);margin-top:10px}dd{margin:0}.journey{padding:25px 0}.journey ol{display:grid;grid-template-columns:repeat(3,1fr);gap:18px 28px;padding-left:22px;color:var(--muted);font-size:14px}.footnote{font-size:12px;border-top:1px solid var(--border);padding-top:26px}footer{border-top:1px solid var(--border);font-size:9px;color:var(--muted);display:flex;justify-content:space-between;gap:20px}
@media(max-width:800px){.cards,.workbench{grid-template-columns:1fr}.cards p{min-height:0}.workbench{gap:15px}.journey ol{grid-template-columns:1fr 1fr}.topbar,main,footer{padding:22px}.brand span{display:block;font-size:10px}footer{flex-direction:column}.hero{padding-top:35px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto}}
a{color:var(--mint)}a:focus-visible,summary:focus-visible,.table-wrap:focus-visible{outline:2px solid var(--mint);outline-offset:5px}.topbar{gap:18px;flex-wrap:wrap}.topbar nav{display:flex;gap:18px;font-size:13px;flex-wrap:wrap;align-items:center}.topbar nav a[aria-current=page]{color:var(--ink);text-decoration-thickness:2px;text-underline-offset:5px}.skip-link{position:absolute;left:16px;top:-100px;background:var(--panel);padding:10px 16px;z-index:1}.skip-link:focus{top:12px}.guide-link{display:inline-block;border:1px solid var(--mint);border-radius:6px;padding:10px 16px;font-size:14px;font-weight:700;text-decoration:none}
.walkthrough .hero{padding:28px 0 16px}.walkthrough h1{font-size:clamp(30px,4vw,46px)}.walkthrough .intro{max-width:850px}.walkthrough-state,.walkthrough-notice,.walkthrough-check{padding:16px 20px;border-left:3px solid var(--mint);background:var(--panel)}.walkthrough-notice{border-color:var(--amber)}.walkthrough-toc{display:flex;align-items:flex-start;gap:24px;flex-wrap:wrap;font-size:14px}.walkthrough-toc details{margin:0}.walkthrough-toc ol{padding-left:20px}.walkthrough-chapter{padding:24px;margin:20px 0;border:1px solid var(--border);border-radius:12px;background:#14212a;scroll-margin-top:20px}.walkthrough-chapter h2{font-size:28px}.walkthrough-chapter h3{font-size:17px}.walkthrough-chapter li{color:var(--muted);margin:8px 0}.walkthrough-progress{width:100%;height:7px;accent-color:var(--mint)}.walkthrough-controls{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;border-top:1px solid var(--border);padding-top:20px;margin-top:24px;font-size:13px}.walkthrough-controls span{color:var(--muted)}.walkthrough-compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:24px 0}.walkthrough-compare article{min-width:0;padding:20px 24px;border:1px solid var(--border);border-radius:8px;background:var(--panel)}.walkthrough-compare h3{margin:0 0 12px}.walkthrough-compare p{margin:0;font-size:14px}.walkthrough-compare .walkthrough-without{border-top:3px solid var(--amber)}.walkthrough-compare .walkthrough-with{border-top:3px solid var(--mint)}
.walkthrough details{padding:18px 22px;margin:20px 0;background:var(--panel);border:1px solid var(--border);border-radius:8px}.walkthrough summary{cursor:pointer;font-weight:700}.walkthrough details[open] summary{margin-bottom:18px}.walkthrough pre{max-width:100%;overflow-x:auto;padding:20px;background:#0c141b;border:1px solid var(--border);border-radius:6px}.walkthrough pre code{white-space:pre;overflow-wrap:normal;display:block;line-height:1.8}.table-wrap{overflow-x:auto;margin:22px 0}.walkthrough table{width:100%;min-width:660px;border-collapse:collapse;font-size:13px}.walkthrough caption{text-align:left;color:var(--muted);margin-bottom:14px}.walkthrough th,.walkthrough td{text-align:left;vertical-align:top;border:1px solid var(--border);padding:14px 16px}.walkthrough th{color:var(--ink);background:var(--panel)}.walkthrough td{color:var(--muted)}
.evidence-label{font-size:10px;font-weight:700;letter-spacing:.07em;color:var(--amber)}.attack-intent{padding:16px 20px;border-left:3px solid #f5a5a5;background:#2b222b}.attack-step .walkthrough-compare{margin:18px 0}.walkthrough-compare h3{font-size:18px;line-height:1.4;margin:12px 0}.walkthrough-compare .evidence-label{margin-bottom:12px}.alert-preview{padding:16px;border:1px solid #40695f;border-left:4px solid var(--mint);border-radius:6px;background:#122a28;margin:16px 0}.alert-preview h3{margin:8px 0}.walkthrough-compare .alert-caveat{font-size:12px;margin-top:16px}
@supports selector(:has(*)){.walkthrough-chapter{display:none}.walkthrough:not(:has(.walkthrough-chapter:target,.walkthrough-chapter :target)) #briefing,.walkthrough-chapter:target,.walkthrough-chapter:has(:target),#all-steps:target .walkthrough-chapter{display:block}}
@media(max-width:800px){.walkthrough-compare{grid-template-columns:1fr}.walkthrough-chapter h2{font-size:24px}.topbar nav{gap:14px}}@media(max-width:480px){.walkthrough-chapter{padding:18px}.walkthrough-compare article,.walkthrough details{padding:16px}.walkthrough pre,.attack-intent{padding:14px}}
@media print{.walkthrough .walkthrough-chapter{display:block;break-inside:avoid}.walkthrough-controls,.walkthrough-toc{display:none}}