/* Open Prior Art: shared styles */
*{box-sizing:border-box}
:root{--ink:#16202E;--ink2:#3A4659;--muted:#5B6779;--line:#D6DCE4;--line2:#B8C1CE;--bg2:#F3F5F8;--accent:#0B4F8A;--accent2:#083A66;--ok:#0E6B3B;--okbg:#E2F3E9;--warn:#6B4A00;--warnbg:#FFF4D6;--bad:#9B2C2C;--badbg:#FBEDED}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:'IBM Plex Sans',system-ui,sans-serif;color:var(--ink);background:#fff;font-size:16px;line-height:1.55}
a{color:var(--accent)}a:hover{color:var(--accent2)}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.narrow{max-width:760px}
.mono{font-family:'IBM Plex Mono',monospace}
.muted{color:var(--muted)}
header.top{border-bottom:1px solid var(--line)}
header.top .wrap{display:flex;align-items:center;gap:14px 20px;flex-wrap:wrap;padding-top:14px;padding-bottom:14px}
.brand{text-decoration:none;color:var(--ink);display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.brand b{font-size:20px;letter-spacing:-.01em}
.brand span{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--muted);letter-spacing:.06em;text-transform:uppercase}
.beta{font-family:'IBM Plex Mono',monospace;font-size:11px;background:var(--warnbg);color:var(--warn);border:1px solid #E8D08A;border-radius:4px;padding:1px 6px}
nav.main{margin-left:auto;display:flex;gap:6px 18px;flex-wrap:wrap;font-size:15px}
nav.main a{text-decoration:none}
nav.main a[aria-current]{font-weight:600}
footer.bot{border-top:1px solid var(--line);margin-top:56px}
footer.bot .wrap{padding-top:20px;padding-bottom:28px;font-size:13px;color:var(--muted);display:flex;gap:8px 16px;flex-wrap:wrap}
h1{font-size:32px;line-height:1.15;margin:0 0 12px;font-weight:700}
h2{font-size:21px;line-height:1.3;margin:32px 0 10px;font-weight:600}
h3{font-size:17px;margin:20px 0 6px;font-weight:600}
p{margin:0 0 12px}
.lead{font-size:17px;color:var(--ink2);max-width:720px}
label{font-weight:600;font-size:15px;display:block;margin-bottom:6px}
.hint{font-weight:400;font-size:14px;color:var(--muted);margin:-2px 0 6px}
input[type=text],input[type=email],input[type=search],input[type=password],select,textarea{width:100%;font:inherit;font-size:16px;color:var(--ink);border:1px solid var(--line2);border-radius:6px;padding:10px 12px;background:#fff}
textarea{min-height:120px;resize:vertical;line-height:1.55}
input:focus,select:focus,textarea:focus,button:focus-visible,a:focus-visible{outline:3px solid #9CC3EA;outline-offset:1px}
.field{margin-bottom:18px}
.count{font-size:13px;color:var(--muted);text-align:right;margin-top:4px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;border:0;border-radius:6px;background:var(--accent);color:#fff;font:inherit;font-size:16px;font-weight:600;cursor:pointer;text-decoration:none}
.btn:hover{background:var(--accent2);color:#fff}
.btn[disabled]{background:#9AA6B6;cursor:not-allowed}
.btn.sec{background:#fff;color:var(--ink);border:1px solid var(--line2)}
.btn.sec:hover{background:var(--bg2)}
.btn.danger{background:var(--bad)}
.btn.small{min-height:36px;padding:0 12px;font-size:14px}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.card{border:1px solid var(--line);border-radius:8px;padding:18px 20px}
.msg{border-radius:8px;padding:12px 16px;margin:12px 0;font-size:15px}
.msg.ok{background:var(--okbg);color:#0E4D2B;border:1px solid #9BCBAF}
.msg.warn{background:var(--warnbg);color:var(--warn);border:1px solid #E8D08A}
.msg.bad{background:var(--badbg);color:var(--bad);border:1px solid #E3B4B4}
.msg:empty{display:none}
table.list{width:100%;border-collapse:collapse;font-size:15px}
table.list th{text-align:left;font-weight:600;color:var(--muted);font-size:13px;padding:8px 10px;border-bottom:1px solid var(--line)}
table.list td{padding:12px 10px;border-bottom:1px solid var(--line);vertical-align:top}
.tag{display:inline-block;font-family:'IBM Plex Mono',monospace;font-size:12px;border-radius:4px;padding:1px 7px;border:1px solid var(--line2);background:var(--bg2)}
.tag.ok{background:var(--okbg);border-color:#9BCBAF;color:#0E4D2B}
.tag.warn{background:var(--warnbg);border-color:#E8D08A;color:var(--warn)}
.tag.bad{background:var(--badbg);border-color:#E3B4B4;color:var(--bad)}
.check{display:flex;gap:12px;align-items:flex-start;padding:12px 14px;border:1px solid var(--line);border-radius:8px;margin-bottom:10px;font-weight:400;cursor:pointer}
.check input{width:20px;height:20px;margin-top:2px;flex:0 0 auto}
.steps{display:flex;gap:6px;flex-wrap:wrap;margin:24px 0 8px;padding:0;list-style:none;font-size:14px}
.steps li{padding:6px 12px;border-radius:999px;border:1px solid var(--line);color:var(--muted)}
.steps li.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.steps li.done{color:var(--ok);border-color:#9BCBAF}
.legal h2{font-size:18px}
.legal p,.legal li{color:var(--ink2)}
.hidden{display:none!important}
@media (max-width:600px){h1{font-size:26px}.wrap{padding:0 16px}table.list .hide-sm{display:none}}
/* Guides (batch 33) */
.guide{max-width:760px;margin:0 auto;padding:28px 20px 8px}
.guide h1{font-size:34px;line-height:1.15}
.guide .meta{font-size:13px;color:var(--muted);margin:6px 0 0}
.guide .answer{margin:22px 0;background:#EEF4FA;border-left:4px solid var(--accent);border-radius:0 8px 8px 0;padding:14px 18px}
.guide .answer b{display:block;font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin-bottom:4px}
.guide .answer p{margin:0;font-size:17px;line-height:1.6;color:var(--ink)}
.guide .toc{border:1px solid var(--line);border-radius:8px;padding:12px 16px;margin:0 0 8px;font-size:15px}
.guide .toc b{font-size:13px;color:var(--muted);font-weight:600}
.guide .toc ol{margin:6px 0 0 20px;padding:0}
.guide h2{font-size:23px;margin:36px 0 10px;scroll-margin-top:20px}
.guide h3{font-size:18px;margin:22px 0 6px}
.guide p,.guide li{font-size:16.5px;line-height:1.7;color:var(--ink2)}
.guide ul,.guide ol{padding-left:22px;margin:0 0 14px}
.guide li{margin-bottom:6px}
.guide strong{color:var(--ink)}
.guide .tbl{overflow-x:auto;margin:8px 0 14px}
.guide table{width:100%;border-collapse:collapse;font-size:15px;min-width:560px}
.guide th,.guide td{border-bottom:1px solid var(--line);padding:9px 10px;text-align:left;vertical-align:top}
.guide thead th{font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.04em;text-transform:uppercase;color:var(--muted);background:var(--bg2)}
.guide .callout{border:1px solid var(--line);border-radius:8px;padding:14px 16px;margin:14px 0;background:#fff}
.guide .callout.warn{background:var(--warnbg);border-color:#E8D08A}
.guide .faq details{border-top:1px solid var(--line);padding:12px 0}
.guide .faq summary{cursor:pointer;font-weight:600;font-size:16.5px}
.guide .faq details p{margin:8px 0 0}
.guide .sources{font-size:14px}
.guide .sources li{font-size:14px}
.guide .cta{margin:34px 0 8px;border:1px solid var(--line);border-radius:8px;padding:18px;background:var(--bg2)}
.guide .cta p{margin:0 0 12px}
.guide .related{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin:12px 0}
.guide .related a{display:block;border:1px solid var(--line);border-radius:8px;padding:12px 14px;text-decoration:none;color:var(--ink)}
.guide .related a span{display:block;font-size:14px;color:var(--muted);margin-top:4px}
.guide .related a:hover{border-color:var(--accent)}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}
.cards a.card{text-decoration:none;color:var(--ink);display:block}
.cards a.card:hover{border-color:var(--accent)}
.cards a.card span{display:block;color:var(--muted);font-size:15px;margin-top:6px;line-height:1.5}
@media (max-width:600px){.guide h1{font-size:27px}.guide h2{font-size:20px}}