:root{color-scheme:dark;--bg:#0d0916;--surface:#191123;--text:#f5efff;--muted:#cbbddd;--accent:#d5a5ff;--line:#554263}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:17px/1.65 system-ui,sans-serif}
a{color:var(--accent);text-underline-offset:.2em}a:hover{text-decoration-thickness:2px}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #f5dc7f;outline-offset:4px}
.skip{position:absolute;top:-80px;left:16px;padding:8px;background:#fff;color:#32134d;z-index:3}.skip:focus{top:8px}
header,main,footer{max-width:1120px;margin:auto;padding:24px}header{display:flex;gap:24px;align-items:center;flex-wrap:wrap;border-bottom:1px solid var(--line)}header nav{display:flex;gap:20px;flex-wrap:wrap}.brand{letter-spacing:.12em;font-weight:800;text-decoration:none;color:#fff}main{min-height:65vh}h1{font-size:clamp(2rem,5vw,3.5rem);line-height:1.12;max-width:22ch;margin:.6em 0}h2{line-height:1.3;margin-top:1.7em}p,li{max-width:78ch}.eyebrow{color:var(--accent);text-transform:uppercase;font-size:.8rem;letter-spacing:.13em}.meta{color:var(--muted);font-size:.9rem}.notice{background:#241531;border-left:4px solid var(--accent);padding:16px 20px;max-width:80ch}.actions{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0}.button,button{display:inline-block;background:#d5a5ff;color:#251032;font:inherit;font-weight:700;border:1px solid #e0c0ff;border-radius:8px;padding:10px 18px;text-decoration:none;cursor:pointer}.secondary{background:transparent;color:var(--accent)}.filters{display:flex;gap:20px;flex-wrap:wrap;margin:30px 0}label{display:block;font-weight:600}input,select{display:block;max-width:100%;width:320px;margin-top:8px;padding:12px;background:var(--surface);color:var(--text);border:1px solid var(--line);border-radius:6px;font:inherit}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:18px}.card{border:1px solid var(--line);border-radius:12px;background:var(--surface);padding:22px}.card h2{font-size:1.3rem;margin:.5em 0}.card p{font-size:.94rem;color:var(--muted)}[hidden]{display:none!important}.toc{border:1px solid var(--line);padding:16px 22px;max-width:78ch;border-radius:8px}.toc ul{padding-left:20px}.guide{max-width:850px}.guide section{scroll-margin-top:20px}footer{border-top:1px solid var(--line);font-size:.9rem;color:var(--muted)}.related{display:flex;gap:16px;flex-wrap:wrap}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}
@media print{body{background:#fff;color:#111;font-size:11pt}header,footer,.actions,.skip,.filters{display:none}main{max-width:none;padding:0}.notice{background:#fff;border-color:#663399}a{color:#482466}.toc{border-color:#aaa}h1{font-size:25pt}h2{break-after:avoid}p,li{orphans:3;widows:3}}

/* Keep guide filters within narrow mobile viewports. */
.filters>label{min-width:0;max-width:100%;flex:1 1 260px}.filters input,.filters select{width:100%;max-width:100%}