:root{--bg:#fff;--surface:#f5f7fa;--text:#1a1a1a;--muted:#4a4f57;--border:#8a9099;--primary:#0b5394;--primary-text:#fff;--danger:#a4161a;--warn-bg:#fff4d6;--warn-text:#5c4400;--ok-bg:#e3f4e8;--ok-text:#14522a;--info-bg:#e6f0fa;--focus:#c25e00;--radius:10px;--scale:1;font-size:calc(112.5% * var(--scale));--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#111418;--surface:#1c2128;--text:#f2f4f7;--muted:#b8bec7;--border:#7d8590;--primary:#6fb1f2;--primary-text:#0b1520;--danger:#ff8a8a;--warn-bg:#3a2f0b;--warn-text:#ffe08a;--ok-bg:#12301d;--ok-text:#9be3b2;--info-bg:#14283d;--focus:#ffb366;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}:root[data-theme=dark]{--bg:#111418;--surface:#1c2128;--text:#f2f4f7;--muted:#b8bec7;--border:#7d8590;--primary:#6fb1f2;--primary-text:#0b1520;--danger:#ff8a8a;--warn-bg:#3a2f0b;--warn-text:#ffe08a;--ok-bg:#12301d;--ok-text:#9be3b2;--info-bg:#14283d;--focus:#ffb366;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}:root[data-contrast=high]{--bg:#fff;--surface:#fff;--text:#000;--muted:#000;--border:#000;--primary:#00337a;--focus:#b00020}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}:root[data-motion=reduced] *,:root[data-motion=reduced] :before{transition:none!important;animation:none!important}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.55}h1{margin:0 0 .75rem;font-size:1.75rem;line-height:1.25}h2{margin:1.5rem 0 .5rem;font-size:1.35rem}h3{margin:1rem 0 .25rem;font-size:1.1rem}p{margin:0 0 .75rem}a{color:var(--primary);text-underline-offset:3px}:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;overflow:hidden;position:absolute!important}.skip-link{background:var(--primary);color:var(--primary-text);border-radius:var(--radius);z-index:100;padding:12px 16px;position:absolute;top:-60px;left:8px}.skip-link:focus{top:8px}.app{flex-direction:column;min-height:100vh;display:flex}.topbar{border-bottom:1px solid var(--border);background:var(--surface);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:8px 16px;display:flex}.brand{color:var(--text);align-items:center;gap:8px;min-height:44px;font-size:1.15rem;font-weight:700;text-decoration:none;display:inline-flex}.topbar nav{flex-wrap:wrap;gap:4px;display:flex}.layout{flex:1;width:100%;max-width:1100px;margin:0 auto;display:flex}.case-nav{border-right:1px solid var(--border);flex-shrink:0;width:220px;padding:16px 8px}.case-nav ul{margin:0;padding:0;list-style:none}.case-nav a,.bottom-nav a{border-radius:var(--radius);min-height:44px;color:var(--text);align-items:center;padding:8px 12px;text-decoration:none;display:flex}.case-nav a[aria-current=page],.bottom-nav a[aria-current=page]{background:var(--info-bg);font-weight:700;text-decoration:underline}main{flex:1;min-width:0;max-width:820px;padding:20px 16px 96px}.bottom-nav{display:none}.help-link{align-items:center;min-height:44px;padding:0 12px;display:inline-flex}@media (max-width:760px){.case-nav{display:none}.bottom-nav{background:var(--surface);border-top:1px solid var(--border);z-index:10;justify-content:space-around;display:flex;position:fixed;bottom:0;left:0;right:0}.bottom-nav a{flex-direction:column;justify-content:center;min-width:56px;padding:6px 4px;font-size:.8rem}}.btn{border-radius:var(--radius);border:2px solid var(--primary);background:var(--primary);min-width:44px;min-height:44px;color:var(--primary-text);font:inherit;cursor:pointer;justify-content:center;align-items:center;gap:8px;padding:8px 18px;font-weight:600;text-decoration:none;display:inline-flex}.btn.secondary{color:var(--primary);background:0 0}.btn.danger{background:var(--danger);border-color:var(--danger);color:#fff}.btn.link{color:var(--primary);background:0 0;border:none;padding:8px;text-decoration:underline}.btn:disabled{opacity:.6;cursor:not-allowed}.row{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.stack>*+*{margin-top:12px}.card{border:1px solid var(--border);border-radius:var(--radius);background:var(--bg);margin-bottom:12px;padding:16px}.card.next-action{border-width:3px;border-color:var(--primary)}.list{margin:0;padding:0;list-style:none}.list>li{border-bottom:1px solid var(--border);padding:12px 0}label{margin-bottom:4px;font-weight:600;display:block}.field{margin-bottom:16px}.hint{color:var(--muted);margin:2px 0 6px;font-size:.9rem}input[type=text],input[type=email],input[type=date],input[type=number],input[type=search],input[type=datetime-local],select,textarea{width:100%;max-width:32rem;min-height:44px;font:inherit;color:var(--text);background:var(--bg);border:2px solid var(--border);border-radius:var(--radius);padding:8px 12px}textarea{min-height:6rem}input[type=checkbox],input[type=radio]{vertical-align:middle;width:24px;height:24px;margin-right:8px}.check{align-items:center;min-height:44px;font-weight:400;display:flex}.field-error{color:var(--danger);margin:4px 0;font-weight:600}[aria-invalid=true]{border-color:var(--danger)!important}.alert{border-radius:var(--radius);border-left:6px solid var(--border);background:var(--surface);margin:12px 0;padding:12px 16px}.alert.error{border-left-color:var(--danger)}.alert.warn{background:var(--warn-bg);color:var(--warn-text);border-left-color:var(--warn-text)}.alert.ok{background:var(--ok-bg);color:var(--ok-text);border-left-color:var(--ok-text)}.alert.info{background:var(--info-bg);border-left-color:var(--primary)}.badge{border:1px solid;border-radius:999px;align-items:center;gap:6px;padding:2px 10px;font-size:.9rem;font-weight:600;display:inline-flex}.badge.ok{background:var(--ok-bg);color:var(--ok-text)}.badge.warn{background:var(--warn-bg);color:var(--warn-text)}.badge.bad{color:var(--danger)}.badge.info{background:var(--info-bg)}.cite{color:var(--muted);font-size:.9rem}blockquote{border-left:4px solid var(--border);background:var(--surface);white-space:pre-wrap;margin:8px 0;padding:8px 12px}mark{color:#000;background:#ffe066;padding:0 2px}.page-text{white-space:pre-wrap;background:var(--surface);border-radius:var(--radius);overflow-wrap:anywhere;padding:12px;font-family:ui-monospace,Menlo,monospace;font-size:.95rem}.muted{color:var(--muted)}.dropzone{border:2px dashed var(--border);border-radius:var(--radius);text-align:center;padding:20px}.dropzone.over{border-color:var(--primary);background:var(--info-bg)}dialog{border:2px solid var(--border);border-radius:var(--radius);max-width:min(560px,92vw);color:var(--text);background:var(--bg);padding:20px}dialog::backdrop{background:#00000080}table{border-collapse:collapse;width:100%}th,td{text-align:left;border-bottom:1px solid var(--border);vertical-align:top;padding:8px}.center{max-width:520px;margin:48px auto;padding:0 16px}