/* =========================================================
   Trends in Physical Education and Sport — OJS-ready theme
   Reusable visual tokens are centralized below.
   ========================================================= */
:root {
  --color-primary: #496e9d;
  --color-primary-dark: #213b66;
  --color-primary-deep: #172947;
  --color-accent: #67a6cf;
  --color-accent-soft: #eaf3fa;
  --color-text: #172033;
  --color-text-soft: #33415c;
  --color-muted: #68758b;
  --color-bg: #ffffff;
  --color-bg-soft: #f5f8fc;
  --color-bg-navy: #12233f;
  --color-border: #e2e8f0;
  --color-success: #0d7a5f;
  --color-warning: #a46206;
  --container-width: 1320px;
  --reading-width: 820px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 18px;
  --radius-xl: 26px;
  --shadow-sm: 0 6px 20px rgba(23, 32, 51, 0.07);
  --shadow-md: 0 18px 45px rgba(23, 32, 51, 0.12);
  --header-height: 74px;
  --font-sans: Inter, "Segoe UI", Arial, sans-serif;
  --font-serif: Georgia, "Times New Roman", serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--color-text);
  background: var(--color-bg);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
body.modal-open { overflow: hidden; }
img { max-width: 100%; display: block; }
a { color: var(--color-primary-dark); text-decoration: none; }
a:hover { color: var(--color-primary); }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 3px solid rgba(73,110,157,.35); outline-offset: 3px; }

.container { width: min(calc(100% - 40px), var(--container-width)); margin-inline: auto; }
.section { padding: 74px 0; }
.section--soft { background: var(--color-bg-soft); }
.section--tight { padding: 48px 0; }
.eyebrow { font-size: .76rem; text-transform: uppercase; letter-spacing: .13em; font-weight: 800; color: var(--color-primary); }
.section-heading { margin-bottom: 34px; display: flex; align-items: end; justify-content: space-between; gap: 20px; }
.section-heading h2 { margin: 4px 0 0; font-size: clamp(1.85rem, 3vw, 2.65rem); line-height: 1.12; letter-spacing: -.035em; }
.section-heading p { max-width: 680px; margin: 8px 0 0; color: var(--color-muted); }
.muted { color: var(--color-muted); }
.small { font-size: .9rem; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 10px 18px; border-radius: var(--radius-sm);
  border: 1px solid var(--color-primary-dark); background: var(--color-primary-dark); color: #fff;
  font-weight: 750; transition: .2s ease;
}
.button:hover { transform: translateY(-1px); background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.button--outline { background: transparent; color: var(--color-primary-dark); }
.button--outline:hover { background: var(--color-primary-dark); color: #fff; }
.button--soft { background: var(--color-accent-soft); border-color: transparent; color: var(--color-primary-dark); }
.button--soft:hover { background: #dcebf7; color: var(--color-primary-dark); }
.button--light { background: #fff; border-color: #fff; color: var(--color-primary-dark); }
.button--ghost { background: transparent; border-color: var(--color-border); color: var(--color-text); }
.button--small { min-height: 36px; padding: 7px 12px; font-size: .86rem; }
.icon-button { width: 42px; height: 42px; display: inline-grid; place-items: center; border: 1px solid var(--color-border); border-radius: 50%; background: #fff; color: var(--color-text); }

/* Header */
.utility-bar { background: var(--color-primary-deep); color: #e9eef6; font-size: .82rem; }
.utility-inner { min-height: 38px; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.utility-links, .utility-actions, .social-links { display: flex; align-items: center; gap: 14px; }
.utility-bar a { color: #e9eef6; opacity: .92; }
.utility-bar a:hover { opacity: 1; color: #fff; }
.social-links a { display: inline-grid; place-items: center; width: 24px; height: 24px; font-weight: 800; }
.language-switcher { display: inline-flex; align-items: center; gap: 2px; padding: 2px; border: 1px solid rgba(255,255,255,.22); border-radius: 999px; }
.language-switcher button { border: 0; background: transparent; color: #dce5f1; border-radius: 999px; padding: 4px 8px; font-size: .74rem; font-weight: 800; }
.language-switcher button.active { background: #fff; color: var(--color-primary-deep); }

.journal-brand-row { background: #fff; border-bottom: 1px solid var(--color-border); }
.brand-inner { min-height: 106px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand-lockup { display: flex; align-items: center; gap: 16px; min-width: 0; }
.brand-logo { width: 76px; height: 76px; object-fit: contain; flex: 0 0 auto; }
.brand-copy { min-width: 0; }
.brand-copy h1 { font-size: clamp(1.25rem, 2.2vw, 1.95rem); line-height: 1.1; margin: 0; letter-spacing: -.025em; color: var(--color-primary-deep); }
.brand-copy p { margin: 7px 0 0; color: var(--color-muted); font-size: .9rem; }
.brand-actions { display: flex; align-items: center; gap: 10px; }

.journal-nav-wrap { position: sticky; top: 0; z-index: 80; background: rgba(255,255,255,.98); border-bottom: 1px solid var(--color-border); backdrop-filter: blur(10px); }
.journal-nav { min-height: var(--header-height); display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.nav-list { margin: 0; padding: 0; list-style: none; display: flex; align-items: stretch; gap: 4px; }
.nav-item { position: relative; }
.nav-link { min-height: var(--header-height); display: inline-flex; align-items: center; gap: 6px; padding: 0 12px; color: var(--color-text); font-weight: 700; font-size: .91rem; border-bottom: 3px solid transparent; }
.nav-link:hover, .nav-link.active { color: var(--color-primary-dark); border-bottom-color: var(--color-primary); }
.nav-dropdown { position: absolute; left: 0; top: calc(100% - 3px); min-width: 230px; padding: 10px; margin: 0; list-style: none; border: 1px solid var(--color-border); border-radius: var(--radius-md); background: #fff; box-shadow: var(--shadow-md); opacity: 0; visibility: hidden; transform: translateY(8px); transition: .16s ease; }
.nav-item:hover .nav-dropdown, .nav-item.open .nav-dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.nav-dropdown a { display: block; padding: 10px 12px; border-radius: 7px; color: var(--color-text-soft); }
.nav-dropdown a:hover { background: var(--color-bg-soft); color: var(--color-primary-dark); }
.nav-tools { display: flex; align-items: center; gap: 8px; }
.mobile-menu-toggle { display: none; }

/* Search overlay */
.search-overlay { position: fixed; inset: 0; z-index: 150; background: rgba(13, 27, 48, .72); display: none; align-items: flex-start; justify-content: center; padding: 8vh 20px 20px; }
.search-overlay.open { display: flex; }
.search-panel { width: min(820px, 100%); background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: 30px; }
.search-panel-head { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-bottom: 18px; }
.search-panel form { display: flex; gap: 10px; }
.search-input { width: 100%; min-height: 50px; border: 1px solid var(--color-border); border-radius: var(--radius-sm); padding: 12px 14px; color: var(--color-text); background: #fff; }
.search-input:focus { border-color: var(--color-primary); outline: 3px solid rgba(73,110,157,.12); }

/* Hero */
.hero { position: relative; overflow: hidden; padding: 70px 0 68px; background: linear-gradient(135deg, #f8fbff 0%, #eef4fa 62%, #e5eef7 100%); border-bottom: 1px solid var(--color-border); }
.hero::after { content: ""; position: absolute; right: -12%; top: -30%; width: 62%; aspect-ratio: 1; opacity: .15; background: url('../assets/network.svg') center/contain no-repeat; pointer-events: none; }
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0,1.18fr) minmax(320px,.82fr); gap: 62px; align-items: center; }
.hero h2 { max-width: 780px; font-family: var(--font-serif); font-size: clamp(3rem, 6vw, 5.5rem); line-height: .98; margin: 12px 0 22px; letter-spacing: -.04em; color: var(--color-primary-deep); }
.hero-lead { max-width: 690px; font-size: clamp(1.05rem, 1.5vw, 1.25rem); color: var(--color-text-soft); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero-facts { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 30px; color: var(--color-muted); font-size: .88rem; }
.hero-facts span { display: inline-flex; align-items: center; gap: 8px; }
.hero-facts span::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--color-accent); }
.hero-cover-zone { display: flex; justify-content: center; align-items: center; position: relative; }
.hero-cover-frame { position: relative; width: min(330px, 82%); }
.hero-cover-frame::before { content: ""; position: absolute; inset: 26px -22px -26px 22px; background: var(--color-primary-dark); border-radius: 4px; opacity: .12; }
.journal-cover { position: relative; width: 100%; aspect-ratio: 285/403; object-fit: cover; box-shadow: 0 28px 50px rgba(20,41,70,.22); border: 1px solid rgba(18,35,63,.12); }
.hero-cover-note { position: absolute; right: -14px; bottom: 18px; background: #fff; border: 1px solid var(--color-border); box-shadow: var(--shadow-sm); padding: 12px 14px; border-radius: var(--radius-md); font-size: .82rem; color: var(--color-muted); }
.hero-cover-note strong { color: var(--color-primary-dark); display: block; }

/* Journal summary */
.journal-summary { padding: 36px 0; border-bottom: 1px solid var(--color-border); }
.summary-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.summary-item { padding-right: 18px; border-right: 1px solid var(--color-border); }
.summary-item:last-child { border-right: 0; }
.summary-label { text-transform: uppercase; letter-spacing: .08em; font-size: .72rem; color: var(--color-muted); font-weight: 800; }
.summary-value { margin-top: 6px; font-weight: 750; color: var(--color-primary-deep); }

/* Issue and article components */
.current-issue-layout { display: grid; grid-template-columns: 250px minmax(0,1fr); gap: 54px; align-items: start; }
.issue-cover-card { position: sticky; top: calc(var(--header-height) + 24px); }
.issue-cover-card img { width: 100%; box-shadow: var(--shadow-md); }
.issue-meta-box { padding: 18px 0 0; }
.issue-meta-box h3 { margin: 0; font-size: 1.25rem; }
.issue-meta-box p { margin: 8px 0 0; color: var(--color-muted); }
.article-list { border-top: 1px solid var(--color-border); }
.article-card { position: relative; padding: 28px 0 30px; border-bottom: 1px solid var(--color-border); }
.article-type { font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; font-weight: 800; color: var(--color-primary); }
.article-title { margin: 7px 0 8px; font-family: var(--font-serif); font-size: clamp(1.35rem, 2.2vw, 1.85rem); line-height: 1.24; letter-spacing: -.018em; }
.article-title a { color: var(--color-primary-deep); }
.article-title a:hover { color: var(--color-primary); }
.article-authors { color: var(--color-text-soft); font-weight: 650; }
.article-affiliations { margin-top: 3px; color: var(--color-muted); font-size: .88rem; }
.article-meta { display: flex; flex-wrap: wrap; gap: 7px 16px; margin-top: 12px; color: var(--color-muted); font-size: .84rem; }
.article-doi { color: var(--color-primary-dark); font-weight: 650; }
.article-abstract { max-width: 900px; margin: 14px 0 0; color: var(--color-text-soft); }
.article-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.article-stats { display: flex; gap: 18px; margin-top: 13px; color: var(--color-muted); font-size: .82rem; }
.placeholder-badge { display: inline-flex; align-items: center; gap: 6px; background: #fff7e8; color: #8d5604; border: 1px solid #f3dfb8; border-radius: 999px; padding: 4px 8px; font-size: .72rem; font-weight: 800; }

/* Latest / tabs */
.split-layout { display: grid; grid-template-columns: minmax(0,1fr) 360px; gap: 46px; align-items: start; }
.sidebar-panel { border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: #fff; padding: 22px; }
.sidebar-panel + .sidebar-panel { margin-top: 18px; }
.sidebar-panel h3 { margin: 0 0 16px; font-size: 1.05rem; }
.tab-list { display: flex; gap: 4px; border-bottom: 1px solid var(--color-border); margin-bottom: 12px; }
.tab-button { border: 0; background: none; padding: 10px 8px; color: var(--color-muted); font-weight: 750; border-bottom: 2px solid transparent; }
.tab-button.active { color: var(--color-primary-dark); border-bottom-color: var(--color-primary); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.rank-list { margin: 0; padding: 0; list-style: none; }
.rank-list li { display: grid; grid-template-columns: 30px 1fr; gap: 10px; padding: 13px 0; border-bottom: 1px solid var(--color-border); }
.rank-list li:last-child { border-bottom: 0; }
.rank-number { font-size: .78rem; color: var(--color-muted); font-weight: 800; }
.rank-list a { color: var(--color-text); font-weight: 700; line-height: 1.35; }

/* Search/filter demo */
.article-search-box { padding: 28px; border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: #fff; box-shadow: var(--shadow-sm); }
.article-search-form { display: grid; grid-template-columns: minmax(0,1fr) 210px 150px; gap: 10px; }
.filter-status { margin-top: 10px; color: var(--color-muted); font-size: .84rem; }

/* About and research areas */
.about-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 60px; align-items: start; }
.prose-lg { font-size: 1.06rem; color: var(--color-text-soft); }
.prose-lg p:first-child { font-size: 1.2rem; color: var(--color-text); }
.stats-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 14px; }
.stat-box { padding: 22px; border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-bg-soft); }
.stat-box strong { display: block; font-size: 1.6rem; color: var(--color-primary-deep); }
.stat-box span { color: var(--color-muted); font-size: .86rem; }
.research-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }
.research-area { border-top: 3px solid var(--color-primary); padding: 20px; background: #fff; box-shadow: 0 8px 22px rgba(23,32,51,.05); }
.research-area h3 { margin: 0 0 7px; font-size: 1.02rem; }
.research-area p { margin: 0; color: var(--color-muted); font-size: .9rem; }

/* CTA */
.submit-cta { overflow: hidden; position: relative; background: var(--color-primary-deep); color: #fff; border-radius: var(--radius-xl); padding: 44px; display: flex; justify-content: space-between; gap: 30px; align-items: center; }
.submit-cta::after { content: ""; position: absolute; right: -90px; top: -120px; width: 360px; height: 360px; border-radius: 50%; border: 70px solid rgba(255,255,255,.06); }
.submit-cta > * { position: relative; z-index: 1; }
.submit-cta h2 { margin: 0; font-size: clamp(1.7rem,3vw,2.5rem); }
.submit-cta p { margin: 8px 0 0; color: #d7e0ec; max-width: 720px; }

/* Indexing */
.indexing-note { margin-top: -20px; margin-bottom: 24px; color: var(--color-warning); font-size: .88rem; }
.indexing-grid { display: grid; grid-template-columns: repeat(5,1fr); gap: 12px; }
.indexing-logo { min-height: 92px; border: 1px solid var(--color-border); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; text-align: center; padding: 14px; background: #fff; color: var(--color-text-soft); font-weight: 850; letter-spacing: -.02em; }
.indexing-logo span { display: block; font-size: .7rem; font-weight: 600; color: var(--color-muted); margin-top: 4px; letter-spacing: 0; }

/* Editorial */
.editor-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; }
.editor-card { border: 1px solid var(--color-border); background: #fff; border-radius: var(--radius-md); overflow: hidden; }
.editor-photo { aspect-ratio: 4/3; display: grid; place-items: center; background: linear-gradient(135deg,#edf3f9,#dce8f4); color: var(--color-primary-dark); font-weight: 900; font-size: 2rem; }
.editor-card-body { padding: 18px; }
.editor-role { font-size: .7rem; text-transform: uppercase; letter-spacing: .09em; font-weight: 800; color: var(--color-primary); }
.editor-card h3 { margin: 5px 0 4px; font-size: 1rem; }
.editor-card p { margin: 0; color: var(--color-muted); font-size: .84rem; }
.editor-links { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; font-size: .8rem; }

/* Policies and announcements */
.policy-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }
.policy-link { display: block; padding: 20px; border: 1px solid var(--color-border); border-radius: var(--radius-md); background: #fff; }
.policy-link strong { display: block; margin-bottom: 5px; }
.policy-link span { color: var(--color-muted); font-size: .88rem; }
.announcement-list { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.announcement-card { padding: 22px; border-top: 3px solid var(--color-accent); background: #fff; border-radius: 0 0 var(--radius-md) var(--radius-md); box-shadow: var(--shadow-sm); }
.announcement-date { color: var(--color-muted); font-size: .8rem; }
.announcement-card h3 { font-size: 1.08rem; line-height: 1.35; margin: 8px 0; }
.announcement-card p { margin: 0; color: var(--color-muted); font-size: .9rem; }

/* Footer */
.journal-footer { background: var(--color-bg-navy); color: #d7e1ee; padding-top: 54px; }
.footer-grid { display: grid; grid-template-columns: 1.3fr .8fr .8fr 1fr; gap: 42px; }
.footer-brand { display: flex; gap: 14px; align-items: flex-start; }
.footer-brand img { width: 58px; height: 58px; object-fit: contain; background: #fff; border-radius: 50%; padding: 3px; }
.footer-brand h2 { margin: 2px 0 8px; font-size: 1.12rem; color: #fff; }
.footer-brand p, .footer-col p { margin: 0; color: #aebdd0; font-size: .88rem; }
.footer-col h3 { color: #fff; margin: 0 0 14px; font-size: .9rem; text-transform: uppercase; letter-spacing: .07em; }
.footer-links { margin: 0; padding: 0; list-style: none; }
.footer-links li + li { margin-top: 8px; }
.footer-links a { color: #c8d3e1; font-size: .88rem; }
.footer-bottom { margin-top: 42px; border-top: 1px solid rgba(255,255,255,.12); padding: 18px 0 24px; display: flex; justify-content: space-between; gap: 20px; color: #98a9bd; font-size: .8rem; }
.footer-social { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 8px; }
.footer-social a { width: 36px; height: 36px; border: 1px solid rgba(255,255,255,.18); border-radius: 50%; display: grid; place-items: center; color: #fff; font-weight: 800; }

/* Breadcrumbs and internal-page headings */
.page-hero { background: var(--color-bg-soft); border-bottom: 1px solid var(--color-border); padding: 44px 0; }
.breadcrumbs { font-size: .82rem; color: var(--color-muted); margin-bottom: 12px; }
.breadcrumbs a { color: var(--color-muted); }
.page-hero h1 { margin: 0; font-family: var(--font-serif); font-size: clamp(2.3rem,4vw,4rem); line-height: 1.05; letter-spacing: -.035em; color: var(--color-primary-deep); }
.page-hero p { max-width: 780px; color: var(--color-muted); margin: 14px 0 0; font-size: 1.02rem; }

/* Archive */
.archive-controls { display: grid; grid-template-columns: minmax(0,1fr) 200px 150px; gap: 10px; margin-bottom: 28px; }
.archive-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.issue-card { border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 20px; display: grid; grid-template-columns: 100px 1fr; gap: 16px; background: #fff; }
.issue-card img { width: 100px; height: 141px; object-fit: cover; box-shadow: var(--shadow-sm); }
.issue-card h2 { font-size: 1.08rem; margin: 0 0 6px; }
.issue-card p { margin: 4px 0; color: var(--color-muted); font-size: .85rem; }
.issue-card .button { margin-top: 10px; }

/* About / generic content */
.content-layout { display: grid; grid-template-columns: minmax(0,1fr) 310px; gap: 52px; align-items: start; }
.content-prose { max-width: 900px; }
.content-prose h2 { margin: 42px 0 12px; font-size: 1.65rem; color: var(--color-primary-deep); }
.content-prose h2:first-child { margin-top: 0; }
.content-prose h3 { margin-top: 28px; }
.content-prose p, .content-prose li { color: var(--color-text-soft); }
.info-list { margin: 0; padding: 0; list-style: none; }
.info-list li { padding: 11px 0; border-bottom: 1px solid var(--color-border); }
.info-list strong { display: block; font-size: .78rem; color: var(--color-muted); text-transform: uppercase; letter-spacing: .06em; }

/* Author guidelines sticky sidebar */
.guidelines-layout { display: grid; grid-template-columns: 260px minmax(0,1fr); gap: 56px; align-items: start; }
.sticky-toc { position: sticky; top: calc(var(--header-height) + 24px); border-right: 1px solid var(--color-border); padding-right: 20px; }
.sticky-toc h2 { font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; color: var(--color-muted); }
.sticky-toc a { display: block; padding: 7px 0; color: var(--color-text-soft); font-size: .9rem; }
.sticky-toc a:hover { color: var(--color-primary); }
.guideline-section { scroll-margin-top: calc(var(--header-height) + 28px); padding-bottom: 22px; }
.guideline-section + .guideline-section { border-top: 1px solid var(--color-border); padding-top: 24px; }
.checklist { list-style: none; padding: 0; }
.checklist li { padding-left: 28px; position: relative; margin: 9px 0; }
.checklist li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--color-success); font-weight: 900; }

/* Search results */
.search-page-grid { display: grid; grid-template-columns: 250px minmax(0,1fr); gap: 42px; align-items: start; }
.filter-panel { border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 18px; position: sticky; top: calc(var(--header-height) + 24px); }
.filter-group + .filter-group { border-top: 1px solid var(--color-border); margin-top: 16px; padding-top: 16px; }
.filter-group h3 { font-size: .82rem; margin: 0 0 10px; }
.filter-option { display: flex; gap: 8px; align-items: center; margin: 8px 0; color: var(--color-text-soft); font-size: .88rem; }
.result-count { margin: 12px 0 4px; color: var(--color-muted); }

/* Forms / login */
.form-card { width: min(520px,100%); margin: 0 auto; border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 30px; background: #fff; box-shadow: var(--shadow-sm); }
.form-field { margin-bottom: 16px; }
.form-field label { display: block; font-weight: 700; margin-bottom: 6px; font-size: .9rem; }
.form-field input, .form-field select, .form-field textarea { width: 100%; border: 1px solid var(--color-border); border-radius: var(--radius-sm); padding: 11px 12px; background: #fff; color: var(--color-text); }
.form-field textarea { min-height: 140px; resize: vertical; }
.form-row { display: flex; gap: 10px; justify-content: space-between; align-items: center; }
.checkbox-row { display: flex; gap: 8px; align-items: center; color: var(--color-muted); font-size: .88rem; }

/* Accordions */
.accordion { border-top: 1px solid var(--color-border); }
.accordion-item { border-bottom: 1px solid var(--color-border); }
.accordion-button { width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 16px 0; border: 0; background: transparent; color: var(--color-text); font-weight: 800; text-align: left; }
.accordion-panel { display: none; padding: 0 0 18px; color: var(--color-text-soft); }
.accordion-item.open .accordion-panel { display: block; }

/* Modal */
.modal { position: fixed; inset: 0; z-index: 200; background: rgba(13,27,48,.72); display: none; align-items: center; justify-content: center; padding: 20px; }
.modal.open { display: flex; }
.modal-dialog { width: min(720px,100%); max-height: 90vh; overflow: auto; background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-md); }
.modal-header { display: flex; justify-content: space-between; gap: 18px; padding: 22px 24px; border-bottom: 1px solid var(--color-border); }
.modal-header h2 { margin: 0; font-size: 1.25rem; }
.modal-body { padding: 24px; }
.citation-format-tabs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 18px; }
.citation-format-tabs button { border: 1px solid var(--color-border); border-radius: 999px; background: #fff; padding: 7px 11px; font-weight: 700; }
.citation-format-tabs button.active { background: var(--color-primary-dark); color: #fff; border-color: var(--color-primary-dark); }
.citation-text { padding: 18px; background: var(--color-bg-soft); border-radius: var(--radius-sm); font-family: var(--font-serif); color: var(--color-text-soft); }
.modal-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }

/* Back to top */
.back-to-top { position: fixed; right: 24px; bottom: 24px; width: 44px; height: 44px; border-radius: 50%; border: 0; background: var(--color-primary-dark); color: #fff; box-shadow: var(--shadow-sm); opacity: 0; transform: translateY(10px); pointer-events: none; transition: .2s ease; z-index: 60; }
.back-to-top.visible { opacity: 1; transform: translateY(0); pointer-events: auto; }

/* Utilities */
.badge-row { display: flex; flex-wrap: wrap; gap: 8px; }
.badge { display: inline-flex; align-items: center; min-height: 30px; padding: 5px 10px; border-radius: 999px; border: 1px solid var(--color-border); background: #fff; color: var(--color-text-soft); font-size: .8rem; font-weight: 700; }
.divider { height: 1px; background: var(--color-border); margin: 26px 0; }
.notice { padding: 16px 18px; border-left: 4px solid var(--color-accent); background: var(--color-accent-soft); color: var(--color-text-soft); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.no-results { display: none; padding: 20px 0; color: var(--color-muted); }