.cf-workbook{--bg:#0e1622;--surface:#152132;--ink:#e7edf4;--muted:#9aa8b8;--line:#26354a;--accent:#3cc4a6;--accent-soft:#16352f;--warn:#f2b35a;--warn-soft:#3a2c17;--code-bg:#0a1220;--code-ink:#e6eef5;--display:"Sora", "Segoe UI", system-ui, sans-serif;--body:"Source Sans 3", "Segoe UI", system-ui, sans-serif;--mono:"JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.6}.cf-workbook .wrap{max-width:780px;margin:0 auto;padding:32px 16px 64px}.cf-workbook h1,.cf-workbook h2,.cf-workbook h3{font-family:var(--display);text-wrap:balance;color:var(--ink);margin:0;line-height:1.2}.cf-workbook h1{font-size:clamp(28px,5vw,40px);font-weight:700}.cf-workbook h2{font-size:clamp(22px,3.4vw,27px);font-weight:700}.cf-workbook h3{margin-top:22px;font-size:18px;font-weight:600}.cf-workbook p{margin:10px 0}.cf-workbook a{color:var(--accent);font-weight:600;text-decoration:underline}.cf-workbook a:focus-visible,.cf-workbook button:focus-visible{outline:3px solid var(--accent);outline-offset:2px}.cf-workbook .eyebrow{font-family:var(--display);letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-size:12px;font-weight:600}.cf-workbook header.cover{border-bottom:2px solid var(--ink);gap:12px;padding-bottom:24px;display:grid}.cf-workbook .sub{color:var(--muted);margin:0;font-size:18px}.cf-workbook .meta{color:var(--muted);flex-wrap:wrap;gap:6px 18px;font-size:15px;display:flex}.cf-workbook section{padding-top:36px}.cf-workbook .step-head{border-bottom:1px solid var(--line);grid-template-columns:auto 1fr;align-items:baseline;gap:14px;padding-bottom:10px;display:grid}.cf-workbook .num{font-family:var(--display);color:var(--surface);background:var(--accent);font-variant-numeric:tabular-nums;border-radius:6px;padding:3px 9px;font-size:15px;font-weight:700}.cf-workbook .time{font-family:var(--body);color:var(--muted);font-variant-numeric:tabular-nums;margin-top:4px;font-size:14px;font-weight:600;display:block}.cf-workbook .outcome{background:var(--accent-soft);border-radius:8px;margin-top:14px;padding:10px 14px;font-weight:600}.cf-workbook .note{background:var(--warn-soft);color:var(--ink);border-left:4px solid var(--warn);border-radius:4px;margin:14px 0;padding:10px 14px}.cf-workbook ol,.cf-workbook ul{margin:10px 0;padding-left:24px}.cf-workbook ol{list-style:decimal}.cf-workbook ul{list-style:outside}.cf-workbook li{margin:4px 0}.cf-workbook li::marker{color:var(--accent);font-weight:700}.cf-workbook .check{padding-left:0;list-style:none}.cf-workbook .check li{padding-left:30px;position:relative}.cf-workbook .check li:before{content:"";border:2px solid var(--accent);border-radius:4px;width:16px;height:16px;position:absolute;top:5px;left:0}.cf-workbook .tbl{margin:12px 0;overflow-x:auto}.cf-workbook table{border-collapse:collapse;background:var(--surface);width:100%;font-size:15.5px}.cf-workbook th,.cf-workbook td{text-align:left;border-bottom:1px solid var(--line);vertical-align:top;padding:8px 10px}.cf-workbook th{font-family:var(--display);letter-spacing:.04em;text-transform:uppercase;color:var(--muted);font-size:13px;font-weight:600}.cf-workbook td.t{white-space:nowrap;font-variant-numeric:tabular-nums;font-weight:600}.cf-workbook .prompt{background:var(--code-bg);border:1px solid var(--line);border-radius:10px;margin:14px 0;overflow:hidden}.cf-workbook .prompt-bar{border-bottom:1px solid #ffffff14;justify-content:space-between;align-items:center;gap:10px;padding:8px 12px;display:flex}.cf-workbook .prompt-bar span{font-family:var(--display);letter-spacing:.1em;text-transform:uppercase;color:#9fb3c8;font-size:12px}.cf-workbook .copy{font-family:var(--body);color:#0a1220;cursor:pointer;background:#3cc4a6;border:0;border-radius:6px;padding:6px 12px;font-size:14px;font-weight:700}.cf-workbook .copy:hover{filter:brightness(1.08)}.cf-workbook pre{color:var(--code-ink);font-family:var(--mono);white-space:pre-wrap;word-break:break-word;margin:0;padding:14px 16px;font-size:13.5px;line-height:1.55}.cf-workbook code{font-family:var(--mono);background:var(--accent-soft);border-radius:4px;padding:1px 6px;font-size:.88em}.cf-workbook .contact{background:var(--surface);border:1px solid var(--line);border-radius:12px;margin-top:40px;padding:20px 22px}.cf-workbook .contact dl{grid-template-columns:max-content 1fr;gap:6px 18px;margin:12px 0 0;display:grid}.cf-workbook .contact dt{color:var(--muted);font-weight:600}.cf-workbook .contact dd{word-break:break-word;min-width:0;margin:0}.cf-workbook .rule{font-family:var(--display);margin:14px 0 4px;font-size:20px;font-weight:700}.cf-workbook .community{background:var(--accent-soft);border-radius:12px;grid-template-columns:1fr auto;align-items:center;gap:20px;margin-top:12px;padding:18px 20px;display:grid}.cf-workbook .community img{background:#fff;border-radius:8px;width:150px;height:150px;padding:6px}.cf-workbook .code{font-family:var(--mono);background:var(--surface);border:2px dashed var(--accent);letter-spacing:.06em;border-radius:6px;padding:2px 10px;font-size:18px;font-weight:700}.cf-workbook .who{grid-template-columns:auto 1fr;align-items:center;gap:18px;display:grid}.cf-workbook .who img{object-fit:cover;border-radius:50%;width:110px;height:110px}.cf-workbook .downloads{flex-wrap:wrap;gap:10px;margin:14px 0;display:flex}.cf-workbook .dl{background:var(--accent);color:#0a1220;border-radius:8px;padding:12px 16px;font-weight:700;text-decoration:none;display:inline-block}.cf-workbook .dl:hover{filter:brightness(1.08)}.cf-workbook footer{color:var(--muted);margin-top:28px;font-size:14px}@media (width<=520px){.cf-workbook .community,.cf-workbook .who{grid-template-columns:1fr}}@media print{.cf-workbook{--bg:#fff;--surface:#fff;--ink:#13233a;--muted:#566476;--line:#dce2e9;--accent:#0b7a66;--accent-soft:#e2f2ee;--warn:#9a5b00;--warn-soft:#fbf0df;font-size:10.5pt;line-height:1.45}.cf-workbook .wrap{max-width:none;padding:0}.cf-workbook .copy{display:none}.cf-workbook section{padding-top:14px}.cf-workbook .step-head,.cf-workbook h3,.cf-workbook .prompt-bar{break-after:avoid}.cf-workbook .outcome,.cf-workbook .note,.cf-workbook .contact,.cf-workbook .community,.cf-workbook tr,.cf-workbook li{break-inside:avoid}.cf-workbook .prompt{break-inside:auto;background:#f1f5f8;border:1px solid #c9d3dd}.cf-workbook .prompt-bar{border-bottom:1px solid #c9d3dd}.cf-workbook .prompt-bar span{color:#0b7a66}.cf-workbook pre{color:#13233a;padding:10px 12px;font-size:9pt}.cf-workbook #step3,.cf-workbook #step6{break-before:page}.cf-workbook a{color:#0b7a66;text-decoration:none}}.cf-workbook .cf-form section{padding-top:26px}.cf-workbook .cf-form h3{margin:0 0 10px}.cf-workbook .cf-scale{flex-wrap:wrap;gap:6px;display:flex}.cf-workbook .cf-scale button{border:1px solid var(--line);background:var(--surface);min-width:44px;height:44px;color:var(--ink);cursor:pointer;border-radius:8px;font-size:16px;font-weight:700}.cf-workbook .cf-scale button.on{background:var(--accent);border-color:var(--accent);color:#0a1220}.cf-workbook .cf-scale-ends{color:var(--muted);justify-content:space-between;max-width:520px;margin-top:6px;font-size:13px;display:flex}.cf-workbook .cf-form input:not([type=checkbox]),.cf-workbook .cf-form select,.cf-workbook .cf-form textarea{border:1px solid var(--line);background:var(--surface);width:100%;color:var(--ink);font:inherit;border-radius:8px;margin-bottom:10px;padding:10px 12px;display:block}.cf-workbook .cf-check{color:var(--muted);align-items:center;gap:10px;font-size:15px;display:flex}.cf-workbook .cf-submit{cursor:pointer;border:0;margin-top:24px;font-size:17px}.cf-workbook .cf-submit:disabled{opacity:.6}.cf-workbook .cf-hint{color:var(--muted);margin:-4px 0 8px;font-size:14px}.cf-workbook .cf-option{border-bottom:1px solid var(--line);color:var(--ink);padding:8px 0;font-size:16px}.cf-workbook .cf-option input{width:20px;height:20px;accent-color:var(--accent);flex-shrink:0}