/*
Theme Name: TIPS Journal
Theme URI: https://infectioncontrol.tips
Author: The Infection Prevention Strategy (TIPS)
Description: Theme for the TIPS Journal (InfectionControl.tips) - open-access, peer-reviewed. Built 2026.
Version: 1.0.0
Requires PHP: 8.1
Text Domain: tips-journal
*/

/* ---- tokens (one light, print-like look; TIPS Journal olive as the brand mark) ---- */
:root {
  --paper: #FBFAF6; --white: #FFFFFF; --ink: #121417; --muted: #5D636B; --rule: #E2DFD6;
  --brand: #C0B605; --brand-ink: #1B1A05;
  --pr: #4B2E83; --pr-soft: #EDE7F7; --per: #0E6B5C; --per-soft: #E2F2EE; --ed: #9A4A12; --ed-soft: #F8EADF; --news: #3D4B57; --news-soft: #E7EBEE;
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --sans: "Public Sans", "Segoe UI", system-ui, sans-serif;
  --cond: "Oswald", "Arial Narrow", sans-serif;   /* condensed, like the TIPS logo */
  color-scheme: light;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { background: var(--paper); color: var(--ink); font: 16px/1.6 var(--sans); margin: 0; overflow-x: clip; }
a { color: inherit; }
img { max-width: 100%; height: auto; }
.wrap { max-width: 1160px; margin: 0 auto; padding-inline: 20px; }
.screen-reader-text { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(1px, 1px, 1px, 1px); }
:focus-visible { outline: 3px solid var(--brand); outline-offset: 2px; }

/* ---- masthead ---- */
.top { border-bottom: 1px solid var(--rule); font-size: 12.5px; color: var(--muted); }
.top .wrap { display: flex; flex-wrap: wrap; gap: 6px 18px; justify-content: space-between; padding-block: 7px; }
.top b { color: var(--ink); font-weight: 600; }
.mast .wrap { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; padding-block: 18px; }
.logo { display: flex; align-items: center; gap: 14px; text-decoration: none; color: var(--ink); }
.logo img { width: 84px; height: 84px; display: block; }
.logo .name { display: grid; gap: 2px; }
.logo .name strong { font: 600 34px/1 var(--cond); letter-spacing: .02em; text-transform: uppercase; }
.logo .name strong span { color: var(--brand); }
.logo .name small { font: 500 13px var(--sans); color: var(--muted); letter-spacing: .02em; }
.logo .name small b { color: var(--ink); }
.mast .claim { font: 500 14px/1.4 var(--sans); color: var(--muted); max-width: 32ch; }
.mast .cta { margin-left: auto; display: flex; gap: 10px; flex-wrap: wrap; }
.btn { display: inline-block; font: 600 14px var(--sans); padding: 9px 16px; border-radius: 6px; text-decoration: none; border: 1.5px solid var(--ink); cursor: pointer; background: transparent; color: var(--ink); }
.btn.solid { background: var(--ink); color: #fff; }
.btn.pdfbtn { background: var(--pr); border-color: var(--pr); color: #fff; }
nav.main { background: var(--white); border-block: 1px solid var(--rule); position: sticky; top: 0; z-index: 20; }
.admin-bar nav.main { top: 32px; }
nav.main .wrap { display: flex; gap: 2px; align-items: center; overflow-x: auto; scrollbar-width: none; }
nav.main a, nav.main summary { white-space: nowrap; text-decoration: none; font: 600 14px var(--sans); padding: 12px; color: var(--ink); border-bottom: 3px solid transparent; cursor: pointer; list-style: none; }
nav.main summary::-webkit-details-marker { display: none; }
nav.main a:hover, nav.main summary:hover { border-color: var(--brand); }
nav.main a.cur { border-color: var(--ink); }
nav.main details { position: static; }
nav.main details[open] .topics-menu { display: grid; }
.topics-menu { display: none; position: absolute; left: 0; right: 0; top: 100%; background: var(--white); border-bottom: 1px solid var(--rule); box-shadow: 0 8px 20px rgba(0,0,0,.06);
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 0 32px; padding: 12px max(20px, calc((100vw - 1120px) / 2)); }
nav.main .topics-menu a { border: 0; padding: 9px 0; font-weight: 500; white-space: normal; line-height: 1.3; display: flex; justify-content: space-between; gap: 10px; border-bottom: 1px solid var(--rule); }
nav.main .topics-menu a:hover { color: var(--pr); border-bottom-color: var(--brand); }
nav.main .topics-menu a span { color: var(--muted); font-weight: 400; font-variant-numeric: tabular-nums; }
nav.main form { margin-left: auto; display: flex; }
nav.main input[type=search] { font: 14px var(--sans); border: 1px solid var(--rule); border-radius: 6px; padding: 6px 10px; width: 180px; background: var(--paper); }

/* ---- badges ---- */
.badge { display: inline-block; font: 500 12px/1 var(--cond); letter-spacing: .06em; text-transform: uppercase; padding: 5px 7px; border-radius: 4px; text-decoration: none; }
.b-peer-reviewed { background: var(--pr); color: #fff; } .b-perspective { background: var(--per-soft); color: var(--per); }
.b-editorial { background: var(--ed-soft); color: var(--ed); } .b-critical-appraisal { background: var(--pr-soft); color: var(--pr); }
.b-news { background: var(--news-soft); color: var(--news); }
.topic { font: 600 12.5px var(--sans); color: var(--muted); text-decoration: none; }
.topic:hover { color: var(--ink); }
.row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.byline { font-size: 13.5px; color: var(--muted); } .byline b { color: var(--ink); font-weight: 600; }

/* ---- article images (photo, or a topic-coloured block when there is none) ---- */
.art { display: block; position: relative; overflow: hidden; border-radius: 4px; background: linear-gradient(135deg, var(--c1, #333), var(--c2, #777)); }
.art img { width: 100%; height: 100%; object-fit: cover; display: block; }
.art .lbl { position: absolute; left: 14px; bottom: 10px; font: 700 12px var(--sans); color: rgba(255,255,255,.88); letter-spacing: .08em; text-transform: uppercase; }

/* ---- home ---- */
.hero { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: 28px; padding-block: 30px; border-bottom: 1px solid var(--rule); }
.lead .art { aspect-ratio: 16 / 8; margin-bottom: 16px; }
.lead h2 { font: 700 clamp(26px, 3.4vw, 38px)/1.15 var(--serif); margin: 10px 0; text-wrap: balance; }
.lead h2 a { text-decoration: none; }
.lead p.dek { font: 400 17px/1.55 var(--serif); color: #2c3036; margin: 0 0 10px; max-width: 62ch; }
.side h3, .sec h3.sec-h { font: 600 16px var(--cond); letter-spacing: .06em; text-transform: uppercase; margin: 0 0 12px; padding-bottom: 8px; border-bottom: 3px solid var(--ink); display: flex; justify-content: space-between; align-items: baseline; }
.side h3 a, .sec h3.sec-h a { font-size: 12px; letter-spacing: .04em; text-decoration: none; color: var(--muted); }
.item { padding-block: 12px; border-bottom: 1px solid var(--rule); display: grid; gap: 4px; }
.item h4 { font: 600 17px/1.3 var(--serif); margin: 0; text-wrap: balance; }
.item h4 a, .card h4 a { text-decoration: none; }
.item h4 a:hover, .card h4 a:hover, .lead h2 a:hover { text-decoration: underline; text-decoration-color: var(--brand); text-decoration-thickness: 3px; }
.grid3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.card .art { aspect-ratio: 16 / 9; margin-bottom: 10px; }
.card h4 { font: 600 19px/1.28 var(--serif); margin: 6px 0; text-wrap: balance; }
.card p { font-size: 14.5px; color: #3a3f46; margin: 0 0 6px; }
.sec { padding-block: 30px; border-bottom: 1px solid var(--rule); }
.prband { background: var(--white); border: 1px solid var(--rule); border-top: 4px solid var(--pr); padding: 20px; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); gap: 24px; }
.prband .intro h3 { font: 600 16px var(--cond); letter-spacing: .06em; text-transform: uppercase; margin: 0 0 8px; color: var(--pr); }
.prband .intro p { font-size: 14.5px; color: #3a3f46; margin: 0 0 12px; }
.prlist { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 24px; }
.pdf { font: 600 12px var(--sans); color: var(--pr); text-decoration: none; }
.topics { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 10px; }
.tile { background: var(--white); border: 1px solid var(--rule); border-left: 5px solid var(--c1); padding: 12px 14px; text-decoration: none; display: flex; justify-content: space-between; gap: 10px; font: 600 14.5px/1.3 var(--sans); }
.tile span { color: var(--muted); font-weight: 500; font-variant-numeric: tabular-nums; }

/* ---- lists (topics, types, tags, authors, search) ---- */
.page-head { padding-block: 26px 18px; border-bottom: 1px solid var(--rule); display: grid; gap: 8px; }
.page-head h1 { font: 700 clamp(28px, 4vw, 40px)/1.15 var(--serif); margin: 0; text-wrap: balance; }
.page-head p { color: var(--muted); margin: 0; max-width: 90ch; }
.filters { display: flex; flex-wrap: wrap; gap: 6px; padding-block: 14px; }
.filters a { font: 600 13px var(--sans); text-decoration: none; border: 1px solid var(--rule); background: var(--white); padding: 4px 11px; border-radius: 999px; }
.filters a.on { background: var(--ink); color: #fff; border-color: var(--ink); }
.list { display: grid; gap: 0; padding-bottom: 30px; }
.list .item { grid-template-columns: 180px minmax(0, 1fr); gap: 16px; align-items: start; }
.list .item .art { aspect-ratio: 16 / 10; }
.list .item p { margin: 4px 0 0; font-size: 14.5px; color: #3a3f46; }
.pager { display: flex; gap: 8px; justify-content: center; padding-block: 10px 40px; flex-wrap: wrap; }
.pager .page-numbers { font: 600 14px var(--sans); padding: 6px 12px; border: 1px solid var(--rule); border-radius: 6px; text-decoration: none; background: var(--white); }
.pager .current { background: var(--ink); color: #fff; border-color: var(--ink); }
.author-card { display: flex; gap: 18px; align-items: flex-start; }
.author-card img, .avatar-ph { width: 96px; height: 96px; border-radius: 50%; object-fit: cover; flex: none; }
.avatar-ph { background: var(--rule); display: grid; place-items: center; font: 700 30px var(--serif); color: var(--muted); }
.authors-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 16px; padding-block: 24px 48px; }
.authors-grid a { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 10px; text-decoration: none; background: var(--white); border: 1px solid var(--rule); padding: 20px 14px 16px; border-radius: 8px; transition: border-color .15s, box-shadow .15s; }
.authors-grid a:hover { border-color: var(--brand); box-shadow: 0 4px 14px rgba(0,0,0,.06); }
.authors-grid img, .authors-grid .avatar-ph { width: 128px; height: 128px; border-radius: 50%; object-fit: cover; object-position: 50% 25%; font-size: 44px; border: 3px solid var(--paper); box-shadow: 0 0 0 1px var(--rule); }
.authors-grid b { display: block; font: 600 15.5px/1.3 var(--sans); color: var(--ink); } .authors-grid span { font-size: 13px; color: var(--muted); }
.authors-grid .count { display: block; margin-top: 4px; font: 500 12.5px var(--cond); letter-spacing: .05em; text-transform: uppercase; color: var(--pr); }

/* ---- single article ---- */
.crumbs { font-size: 13px; color: var(--muted); padding-block: 16px; }
.crumbs a { text-decoration: none; }
.art-grid { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 40px; padding-bottom: 40px; }
.article h1 { font: 700 clamp(28px, 4vw, 42px)/1.15 var(--serif); margin: 12px 0 16px; text-wrap: balance; }
.authors { font: 500 15px/1.5 var(--sans); margin: 0 0 6px; } .authors a { text-decoration: none; border-bottom: 1px solid var(--rule); }
.dates { font-size: 13.5px; color: var(--muted); margin-bottom: 18px; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; padding-block: 14px; border-block: 1px solid var(--rule); margin-bottom: 24px; }
.feature { margin: 0 0 24px; } .feature img { width: 100%; border-radius: 4px; }
.entry { font: 400 18px/1.7 var(--serif); }
.entry p, .entry li { max-width: 72ch; }
.entry h2, .entry h3, .entry h4 { font-family: var(--serif); line-height: 1.25; margin: 28px 0 8px; }
.entry img { border-radius: 3px; }
.entry table { border-collapse: collapse; font: 14px/1.4 var(--sans); display: block; overflow-x: auto; max-width: 100%; }
.entry td, .entry th { border: 1px solid var(--rule); padding: 6px 8px; }
.entry a { color: #1a4f8b; }
.entry .wp-caption, .entry figure { max-width: 100%; }
.entry figcaption, .entry .wp-caption-text { font: 13px/1.4 var(--sans); color: var(--muted); }
.entry blockquote { border-left: 4px solid var(--brand); margin: 18px 0; padding: 4px 18px; color: #333; }
aside .box { background: var(--white); border: 1px solid var(--rule); padding: 16px; margin-bottom: 16px; font-size: 14px; }
aside .box h3 { font: 600 15px var(--cond); letter-spacing: .06em; text-transform: uppercase; margin: 0 0 10px; }
aside dl { display: grid; grid-template-columns: auto 1fr; gap: 6px 12px; margin: 0; } aside dt { color: var(--muted); } aside dd { margin: 0; font-weight: 500; }
.cite { font: 400 13.5px/1.5 var(--serif); background: var(--paper); padding: 10px; border: 1px dashed var(--rule); overflow-wrap: anywhere; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tags a { font-size: 12.5px; text-decoration: none; background: var(--paper); border: 1px solid var(--rule); padding: 3px 8px; border-radius: 999px; }
.people { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.people li { display: flex; gap: 10px; align-items: center; } .people img, .people .avatar-ph { width: 36px; height: 36px; font-size: 14px; border-radius: 50%; object-fit: cover; }
.people a { text-decoration: none; font-weight: 500; }
.related { border-top: 3px solid var(--ink); padding-top: 12px; margin-top: 30px; }
.page-body { max-width: 780px; padding-block: 10px 50px; }

/* ---- family band + footer ---- */
.family { background: var(--ink); color: #fff; }
.family .wrap { padding-block: 30px; display: grid; gap: 16px; }
.family h3 { font: 600 16px var(--cond); letter-spacing: .06em; text-transform: uppercase; margin: 0; padding-bottom: 8px; border-bottom: 3px solid var(--brand); color: var(--brand); }
.fam { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.fam a { border: 1px solid #333; padding: 14px; text-decoration: none; display: grid; grid-template-columns: 56px minmax(0, 1fr); gap: 4px 12px; align-items: start; }
.fam a img { width: 56px; height: 56px; grid-row: span 3; display: block; }
.fam a b { font: 700 16px var(--sans); } .fam a span { font-size: 13px; color: #bbb; } .fam a span strong { color: #fff; font-weight: 600; } .fam a em { font: 600 12px var(--sans); color: var(--brand); font-style: normal; }
footer.site { background: #0A0B0D; color: #aaa; font-size: 13px; }
footer.site .wrap { padding-block: 22px; display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; }
footer.site b { color: #fff; } footer.site a { color: #ddd; text-decoration: none; }

/* ---- small screens ---- */
@media (max-width: 900px) {
  .hero, .art-grid, .prband, .grid3 { grid-template-columns: minmax(0, 1fr); }
  .fam { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .mast .cta { margin-left: 0; }
  nav.main form { display: none; }
}
@media (max-width: 640px) {
  .logo .name strong { font-size: 28px; }
  .prlist, .list .item { grid-template-columns: minmax(0, 1fr); }
  .top .wrap span:last-child { display: none; }   /* phones: keep "Open access · 4.4 million reads", drop "A publication of" */
  .top .wrap { justify-content: center; }
  .fam { grid-template-columns: 1fr; }
  .logo img { width: 64px; height: 64px; } 
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; transition: none !important; } }

/* ---- the TIPS motto (About page) ---- */
.entry blockquote.tj-motto { border: 0; border-left: 6px solid var(--brand); margin: 8px 0 6px; padding: 6px 0 6px 22px; }
.entry blockquote.tj-motto p { font: 600 clamp(26px, 3.4vw, 36px)/1.2 var(--cond); letter-spacing: .01em; text-transform: uppercase; color: var(--ink); margin: 0; max-width: 30ch; }
.entry .tj-motto-note { font: 13.5px/1.5 var(--sans); color: var(--muted); margin: 0 0 22px 28px; }

/* ---- Advisory Board ---- */
.page-body:has(.board) { max-width: none; }
.board { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 18px; margin: 20px 0 10px; }
.board .member { background: var(--white); border: 1px solid var(--rule); border-top: 4px solid var(--brand); border-radius: 6px; padding: 22px 20px; text-align: center; }
.board .member-photo { width: 140px; height: 140px; border-radius: 50%; object-fit: cover; object-position: 50% 25%; display: block; margin: 0 auto 12px; border: 3px solid var(--paper); box-shadow: 0 0 0 1px var(--rule); }
.board .member h3 { font: 600 20px/1.25 var(--serif); margin: 0 0 8px; }
.board .member p { font: 14.5px/1.6 var(--sans); color: #3a3f46; text-align: left; margin: 0; max-width: none; }
.card .reads { margin-top: 4px; font: 500 12.5px var(--cond); letter-spacing: .05em; text-transform: uppercase; color: var(--pr); }

/* ---- share buttons ---- */
.share { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: -8px 0 22px; }
.share-bottom { margin: 30px 0 0; padding-top: 16px; border-top: 1px solid var(--rule); }
.share-lbl { font: 600 15px var(--cond); letter-spacing: .06em; text-transform: uppercase; margin-right: 4px; }
.sh { width: 38px; height: 38px; display: inline-grid; place-items: center; border-radius: 50%; border: 0; cursor: pointer; color: #fff; background: #444; text-decoration: none; transition: transform .12s, opacity .12s; }
.sh svg { fill: currentColor; }
.sh:hover { transform: translateY(-2px); opacity: .9; }
.sh-linkedin { background: #0A66C2; } .sh-facebook { background: #1877F2; } .sh-bluesky { background: #1185FE; } .sh-threads, .sh-x { background: #000; }
.sh-whatsapp { background: #25D366; } .sh-email { background: #5D636B; } .sh-copy, .sh-native { background: var(--white); color: var(--ink); box-shadow: inset 0 0 0 1.5px var(--rule); }
.sh-copy.done { background: var(--per); color: #fff; box-shadow: none; }
.entry .tj-reads { margin: 0 0 18px; } .entry .tj-reads strong { font: 600 24px var(--cond); letter-spacing: .03em; text-transform: uppercase; color: var(--pr); }