.ptut{--bg:#000;--surface:#0c0d0f;--surface-2:#121417;--border:#ffffff17;--border-strong:#ffffff2e;--text:#fff;--muted:#a4a8ae;--dim:#6d7177;--warn:#f0b35c;--danger:#ff6b6b;--ok:#14f195;--accent:#14f195;--accent-deep:#0fb878;--radius:14px;--font:"Geist",system-ui,-apple-system,"Segoe UI",sans-serif;--mono:"Geist Mono",ui-monospace,"SF Mono",Menlo,monospace;background:var(--bg);color:var(--text);font:16px/1.7 var(--font);-webkit-font-smoothing:antialiased}.ptut *{box-sizing:border-box;margin:0;padding:0}@media (prefers-reduced-motion:reduce){.ptut *{transition:none!important}}.ptut a{color:var(--text);text-decoration:underline;-webkit-text-decoration-color:var(--dim);text-decoration-color:var(--dim);text-underline-offset:3px}.ptut a:hover{-webkit-text-decoration-color:var(--text);text-decoration-color:var(--text)}.ptut a:focus-visible,.ptut summary:focus-visible{outline:2px solid var(--text);outline-offset:3px;border-radius:4px}.ptut img{max-width:100%;display:block}.ptut 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var(--border-strong);color:var(--text);border-radius:999px;padding:2px 10px;font-size:11px}.ptut h1{letter-spacing:-.025em;margin:14px 0 16px;font-size:clamp(2rem,5vw,3rem);font-weight:800;line-height:1.1}.ptut .meta{color:var(--dim);flex-wrap:wrap;gap:18px;margin-top:18px;font-size:13px;display:flex}.ptut details{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);margin:22px 0}.ptut details summary{cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:14px;padding:18px 22px;list-style:none;display:flex}.ptut details summary::-webkit-details-marker{display:none}.ptut details .chev{width:24px;height:24px;color:var(--dim);flex:none;place-items:center;margin-left:auto;transition:transform .2s;display:grid}.ptut details[open] .chev{transform:rotate(180deg)}.ptut details .body{padding:0 22px 22px}.ptut details .body>p{color:var(--muted);max-width:62ch}.ptut details .body>p+p{margin-top:10px}.ptut details .body p 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.substeps{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface-2);margin-top:22px;padding:20px}.ptut .substeps h3{margin-bottom:6px;font-size:16px;font-weight:700}.ptut .substeps>p{color:var(--muted);max-width:62ch;font-size:14.5px}.ptut .sub-grid{grid-template-columns:repeat(2,1fr);gap:16px;margin-top:16px;display:grid}.ptut .sub:last-child{grid-column:1/-1;justify-self:center;width:100%;max-width:calc(50% - 8px)}@media (max-width:680px){.ptut .sub-grid{grid-template-columns:1fr}.ptut .sub:last-child{max-width:none}}.ptut .sub{border:1px solid var(--border);background:var(--bg);border-radius:12px;overflow:hidden}.ptut .sub img{cursor:zoom-in;width:100%;height:auto}.ptut .sub span{color:var(--muted);border-top:1px solid var(--border);padding:10px 12px;font-size:12.5px;display:block}.ptut .sub span b{color:var(--text);font:600 11px var(--mono);margin-right:6px}.ptut details.alt{background:var(--surface-2);margin-top:22px}.ptut details.alt 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