/* Harten Evidence Editorial: PRSD-IWS source-document reader */
.prsd-reader{color:var(--text);background:var(--paper);min-height:80vh}
.prsd-reader a{text-decoration:none}.prsd-reader a:focus-visible,.prsd-reader button:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.prsd-strap{border-bottom:1px solid var(--line);background:var(--white)}
.prsd-strap-inner{max-width:1510px;margin:0 auto;padding:20px 32px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.prsd-strap-title{font-size:.79rem;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--text-dim);margin:0}
.prsd-strap-links{display:flex;align-items:center;gap:17px;flex-wrap:wrap}
.prsd-strap-links a{font-size:.82rem;color:var(--text-dim);border-bottom:1px solid transparent}
.prsd-strap-links a:hover{border-color:var(--accent);color:var(--text)}
.prsd-layout{display:grid;grid-template-columns:minmax(250px,290px) minmax(0,920px);column-gap:clamp(28px,4vw,72px);max-width:1510px;margin:0 auto;padding:38px 32px 90px;align-items:start}
.prsd-side{position:sticky;top:92px;align-self:start;max-height:calc(100vh - 115px);overflow:auto;border-right:1px solid var(--line);padding-right:19px;scrollbar-width:thin}
.prsd-side > details{border:0}.prsd-side-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:22px}
.prsd-side-head strong{font-size:.95rem;line-height:1.2}.prsd-side-head a{font-size:.79rem;color:var(--text-dim)}
.prsd-side summary{cursor:pointer;list-style:none;font-size:.85rem;font-weight:700;padding:12px 7px;border-top:1px solid var(--line);color:var(--text)}
.prsd-side summary::-webkit-details-marker{display:none}.prsd-side summary::after{content:"⌄";float:right;color:var(--text-faint)}
.prsd-side details:not([open]) summary::after{content:"›"}
.prsd-side-nav{display:flex;flex-direction:column;gap:1px;padding:3px 0 12px}
.prsd-side-nav a{display:block;font-size:.82rem;line-height:1.4;padding:9px 12px;color:var(--text-dim);border-left:2px solid transparent;border-radius:2px;overflow-wrap:anywhere}
.prsd-side-nav a:hover{background:var(--surface);color:var(--text)}.prsd-side-nav a[aria-current="page"]{background:var(--surface);color:var(--text);border-left-color:var(--accent);font-weight:700}
.prsd-search{width:100%;border:1px solid var(--line);border-radius:5px;padding:11px 12px;background:var(--white);color:var(--text);font:inherit;font-size:.9rem;margin:0 0 17px}
.prsd-search::placeholder{color:var(--text-faint)}
.prsd-article{min-width:0;padding-bottom:40px;max-width:920px}
.prsd-kicker{color:var(--teal);font-size:.78rem;font-weight:700;letter-spacing:.045em;text-transform:uppercase;margin:0 0 13px}
.prsd-article > .prsd-breadcrumb{display:flex;gap:8px;align-items:center;flex-wrap:wrap;color:var(--text-dim);font-size:.82rem;margin-bottom:28px}
.prsd-breadcrumb a{text-decoration:underline;text-decoration-color:var(--line)}
.prsd-article h1{font-size:clamp(2.05rem,3.5vw,3.45rem);line-height:1.12;letter-spacing:-.036em;max-width:27ch;margin:0 0 32px;color:var(--text)}
.prsd-article h2{font-size:clamp(1.4rem,2.2vw,1.95rem);letter-spacing:-.02em;line-height:1.24;max-width:none;margin:50px 0 17px;padding-top:11px;border-top:1px solid var(--line)}
.prsd-article h3{font-size:1.25rem;line-height:1.35;max-width:none;margin:34px 0 12px}
.prsd-article h4,.prsd-article h5{font-size:1.06rem;margin:24px 0 10px}
.prsd-article p,.prsd-article li{font-size:1rem;line-height:1.76;color:var(--text-dim);max-width:79ch}
.prsd-article li{padding:2px 0}.prsd-article strong{color:var(--text)}
.prsd-article ul,.prsd-article ol{padding-left:25px;margin:12px 0 22px}
.prsd-article a:not(.prsd-btn){color:var(--teal);text-decoration:underline;text-underline-offset:3px}
.prsd-article blockquote{padding:10px 22px;border-left:3px solid var(--accent);margin:22px 0;background:var(--surface)}
.prsd-article blockquote p{margin:7px 0}
.prsd-article pre{white-space:pre;overflow-x:auto;padding:17px;background:var(--surface);border:1px solid var(--line);border-radius:6px;font-size:.82rem;line-height:1.55;tab-size:2}
.prsd-article :not(pre)>code{font-size:.87em;padding:.12rem .28rem;background:var(--surface);border-radius:3px;overflow-wrap:anywhere}
.prsd-article table{border-collapse:collapse;width:100%;font-size:.86rem}
.prsd-article th,.prsd-article td{border:1px solid var(--line);padding:10px 11px;text-align:left;vertical-align:top;line-height:1.5}
.prsd-article th{background:var(--surface);font-weight:700}
.prsd-table-scroll{width:100%;overflow-x:auto;margin:23px 0}
.prsd-note{background:var(--surface);border-left:3px solid var(--accent);padding:18px 22px;margin:21px 0 31px}
.prsd-note p:last-child{margin-bottom:0}.prsd-note strong{color:var(--text)}
.prsd-meta{display:flex;gap:11px;flex-wrap:wrap;margin:0 0 22px}
.prsd-meta span{font-size:.76rem;display:inline-block;padding:6px 10px;border:1px solid var(--line);border-radius:2px;color:var(--text-dim)}
.prsd-callout{padding:15px 22px;border:1px solid var(--line);margin:20px 0;background:var(--white)}
.prsd-callout p{margin-bottom:0}
.prsd-reference{font-size:.84em;color:var(--text-dim);border-bottom:1px dotted var(--text-faint);cursor:help;white-space:nowrap}
.prsd-diagram{border:1px solid var(--line);border-radius:5px;padding:17px;margin:25px 0;background:var(--white)}
.prsd-diagram svg{display:block;max-width:100%;height:auto;margin:auto}
.prsd-diagram figcaption{color:var(--text-dim);font-size:.82rem;margin-bottom:12px}
.prsd-diagram .prsd-diagram-result{width:100%;overflow-x:auto}
.prsd-diagram .prsd-diagram-status{font-size:.85rem;color:var(--text-dim)}
.prsd-diagram details{border-top:1px solid var(--line);margin-top:14px;padding-top:12px}
.prsd-diagram summary{font-size:.82rem;cursor:pointer;color:var(--text-dim)}
.prsd-diagram pre{max-height:340px}
.prsd-section-index{display:flex;flex-wrap:wrap;gap:9px;padding:13px 0 28px;border-bottom:1px solid var(--line);margin:0 0 35px}
.prsd-section-index a{font-size:.82rem;border:1px solid var(--line);border-radius:4px;padding:8px 13px;background:var(--white);color:var(--text-dim)}
.prsd-section-index a:hover{border-color:var(--accent);color:var(--text)}
.prsd-next{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding-top:25px;margin-top:55px;flex-wrap:wrap}
.prsd-next a{max-width:50%;font-weight:600;font-size:.93rem;color:var(--text);text-decoration:underline;text-decoration-color:var(--line)}
.prsd-reader .prsd-btn{display:inline-flex;padding:11px 17px;color:#17130b;background:#f0b44d;border-radius:4px;font-size:.91rem;font-weight:700;text-decoration:none}
.prsd-timeline{overflow-x:auto;border:1px solid var(--line);background:var(--white);margin:24px 0 35px}
.prsd-timeline-inner{min-width:980px}
.prsd-timeline-top,.prsd-timeline-row{display:grid;grid-template-columns:325px minmax(0,1fr);border-bottom:1px solid var(--line)}
.prsd-timeline-top{background:var(--surface);font-size:.82rem;color:var(--text)}
.prsd-timeline-row:last-child{border-bottom:0}
.prsd-timeline-label{padding:12px 15px;border-right:1px solid var(--line);font-size:.84rem;line-height:1.3;color:var(--text)}
.prsd-timeline-label strong{display:block;color:var(--text);font-size:.85rem}
.prsd-timeline-label small{display:block;margin-top:6px;color:var(--text-dim);font-size:.73rem}
.prsd-timeline-chart{position:relative;min-height:71px;padding:5px 10px;background-image:linear-gradient(to right,transparent calc(12.5% - 1px),var(--line) 12.5%,transparent calc(12.5% + 1px));}
.prsd-timeline-bar{position:absolute;top:26px;height:14px;border-radius:2px;background:#e5ac54;min-width:2px}
.prsd-timeline-bar::after{content:"";position:absolute;right:-3px;top:3px;width:7px;height:7px;transform:rotate(45deg);background:#e5ac54;border:1px solid var(--white)}
.prsd-scenarios{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin:16px 0}
.prsd-scenarios button{padding:9px 15px;border:1px solid var(--line);background:var(--white);color:var(--text);cursor:pointer;border-radius:4px;font-weight:600}
.prsd-scenarios button[aria-pressed="true"]{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.prsd-scenario[hidden]{display:none!important}
.prsd-duration{font-size:.92rem;color:var(--text-dim);margin:12px 0}
.prsd-legal{border-top:1px solid var(--line);padding:29px 0;margin-top:60px;font-size:.79rem;color:var(--text-dim)}
.prsd-legal p{font-size:.79rem;max-width:none}
@media(max-width:960px){.prsd-layout{grid-template-columns:235px minmax(0,1fr);column-gap:24px;padding:24px 20px}.prsd-side{padding-right:12px}.prsd-side-nav a{font-size:.78rem}.prsd-strap-inner{padding:16px 20px}}
@media(max-width:700px){.prsd-layout{display:block;padding:20px 16px 58px}.prsd-side{position:static;max-height:none;border:1px solid var(--line);border-radius:4px;padding:0 15px;margin-bottom:30px;background:var(--white)}.prsd-side > details > summary{display:block;padding:15px 0;cursor:pointer;font-weight:700}.prsd-side > details:not([open]) > .prsd-side-content{display:none}.prsd-side-head{margin:13px 0}.prsd-side .prsd-search{margin-bottom:13px}.prsd-side-nav a{font-size:.85rem}.prsd-strap-inner{padding:13px 16px}.prsd-article h1{font-size:2.05rem}.prsd-article h2{margin-top:38px}.prsd-next a{max-width:100%}}
@media(min-width:701px){.prsd-side > details > summary{display:none}.prsd-side > details:not([open]) > .prsd-side-content{display:block}}

/* Case-study entry: the three actual output families. */
.prsd-entry{margin:12px 0 46px}
.prsd-entry>p{max-width:72ch}
.prsd-entry-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:26px 0 34px}
.prsd-entry-grid article{border:1px solid var(--line);background:var(--white);padding:22px;display:flex;flex-direction:column;min-width:0;border-radius:5px}
.prsd-entry-grid h2{font-size:1.23rem;line-height:1.35;margin:10px 0 8px}
.prsd-entry-grid p{font-size:.91rem;line-height:1.65}
.prsd-entry-grid .prsd-entry-number{color:var(--text-dim);font-weight:700;letter-spacing:.08em;margin:0}
.prsd-entry-grid a{display:inline-block;margin-top:auto;padding-top:18px;font-weight:700;text-underline-offset:4px}
.prsd-source-overview{border-top:1px solid var(--line);padding-top:16px}
@media(max-width:1050px){.prsd-entry-grid{grid-template-columns:1fr}.prsd-entry-grid article{min-height:auto}}

/* The case-study entry has three destinations; each reader has local contents. */
.prsd-output-tabs{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.prsd-output-tabs a{padding:10px 15px;border:1px solid var(--line);border-radius:4px;color:var(--text);font-size:.92rem;font-weight:600}
.prsd-output-tabs a:hover{background:var(--surface);border-color:var(--accent)}
.prsd-output-tabs a[aria-current="page"]{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.prsd-layout.prsd-layout-landing{display:block;max-width:1244px}
.prsd-layout-landing>.prsd-article{max-width:none}
.prsd-article .prsd-document-status{font-size:.82rem;margin:0 0 20px;padding-left:12px;border-left:2px solid var(--accent)}
.prsd-contents{border:1px solid var(--line);border-radius:4px;margin:18px 0 28px;padding:12px 16px;background:var(--white)}
.prsd-contents>summary{cursor:pointer;font-weight:600;color:var(--text)}
.prsd-contents .prsd-section-index{display:flex;flex-direction:column;gap:3px;margin:12px 0 0;padding:0;border:0}
.prsd-contents .prsd-section-index a{display:block;border:0;padding:5px 0;white-space:normal;overflow-wrap:anywhere;font-size:.9rem}
.prsd-side-nav a[hidden],[data-prsd-group][hidden]{display:none!important}
.prsd-side-nav .prsd-schedule-link{font-weight:700;color:var(--text);border:1px solid var(--line);margin:5px 0 12px;background:var(--surface)}
.prsd-article :is(h1,h2,h3,h4,h5){scroll-margin-top:115px}
.prsd-timeline-inner{min-width:780px}
.prsd-timeline-top,.prsd-timeline-row{grid-template-columns:270px minmax(0,1fr)}
.prsd-plan-text{margin-top:44px}

/* Prose styles must not overwrite Mermaid's HTML/SVG label colours. */
:root[data-theme="harten"] .prsd-diagram-result{background:var(--ink);padding:12px;border-radius:4px}
:root[data-theme="harten"] .prsd-diagram-result svg text,
:root[data-theme="harten"] .prsd-diagram-result svg .nodeLabel,
:root[data-theme="harten"] .prsd-diagram-result svg .nodeLabel *,
:root[data-theme="harten"] .prsd-diagram-result svg .edgeLabel,
:root[data-theme="harten"] .prsd-diagram-result svg .edgeLabel *,
:root[data-theme="harten"] .prsd-diagram-result svg .cluster-label,
:root[data-theme="harten"] .prsd-diagram-result svg .cluster-label *{color:#FFFFFF!important;fill:#FFFFFF!important}
:root[data-theme="light"] .prsd-diagram-result svg text,
:root[data-theme="light"] .prsd-diagram-result svg .nodeLabel,
:root[data-theme="light"] .prsd-diagram-result svg .nodeLabel *,
:root[data-theme="light"] .prsd-diagram-result svg .edgeLabel,
:root[data-theme="light"] .prsd-diagram-result svg .edgeLabel *{color:#17201D!important;fill:#17201D!important}
@media(max-width:700px){.prsd-output-tabs{width:100%}.prsd-output-tabs a{flex:1 1 130px;text-align:center}.prsd-layout-landing .prsd-entry h1{font-size:2.15rem}}