/* ═══════════════════════════════════════════════════════
   REVUE SCIENTIFIQUE — main.css
   Design system complet, professionnel, académique
═══════════════════════════════════════════════════════ */

/* ─── HEADER ─── */
.rs-topbar {
  background: var(--rs-primary-dark);
  color: rgba(255,255,255,.7);
  font-size: 12px;
  padding: 6px 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.rs-topbar__inner { display:flex; justify-content:space-between; align-items:center; gap:16px; flex-wrap:wrap; }
.rs-topbar__text  { display:flex; align-items:center; gap:8px; }
.rs-topbar__social{ display:flex; gap:12px; }
.rs-topbar__social a { color:rgba(255,255,255,.6); font-size:14px; transition:var(--rs-transition); }
.rs-topbar__social a:hover { color:var(--rs-secondary); }

.rs-header {
  background: var(--rs-header-bg, var(--rs-primary));
  position: sticky; top:0; z-index:999;
  box-shadow: 0 2px 20px rgba(0,0,0,.25);
  transition: var(--rs-transition);
}
.rs-header__inner {
  display:flex; align-items:center;
  height: var(--rs-header-height);
  gap: 24px;
}
.rs-header__brand { display:flex; align-items:center; gap:14px; text-decoration:none; flex-shrink:0; }
.rs-header__logo  { height:48px; width:auto; object-fit:contain; }
.rs-header__brand-text { display:flex; flex-direction:column; }
.rs-header__journal-name { font-family:var(--rs-font-serif); font-size:18px; font-weight:700; color:var(--rs-white); line-height:1.2; letter-spacing:-.01em; }
.rs-header__journal-issn { font-size:11px; color:var(--rs-secondary); letter-spacing:.05em; font-weight:500; }

/* Nav principal */
.rs-nav { margin-left:auto; display:flex; align-items:center; gap:4px; }
.rs-nav__list { display:flex; align-items:center; gap:0; list-style:none; }
.rs-nav__item  { position:relative; }
.rs-nav__link  {
  display:flex; align-items:center; gap:5px;
  padding: 8px 16px;
  color: rgba(255,255,255,.85);
  font-size:14px; font-weight:500;
  border-radius:var(--rs-radius-sm);
  transition:var(--rs-transition);
  white-space:nowrap;
}
.rs-nav__link:hover, .rs-nav__link.rs-active { color:var(--rs-secondary); background:rgba(255,255,255,.08); }
.rs-nav__link svg { width:14px; height:14px; opacity:.6; transition:var(--rs-transition); }
.rs-nav__item:hover .rs-nav__link svg { transform:rotate(180deg); opacity:1; }

/* Dropdown */
.rs-nav__dropdown {
  position:absolute; top:calc(100% + 8px); left:0;
  background:var(--rs-white);
  border-radius:var(--rs-radius-lg);
  box-shadow:var(--rs-shadow-xl);
  min-width:220px; padding:8px 0;
  opacity:0; visibility:hidden; transform:translateY(-8px);
  transition:var(--rs-transition);
  border:1px solid var(--rs-border);
}
.rs-nav__item:hover .rs-nav__dropdown { opacity:1; visibility:visible; transform:none; }
.rs-nav__dropdown-link { display:block; padding:10px 20px; color:var(--rs-text); font-size:13px; transition:var(--rs-transition); }
.rs-nav__dropdown-link:hover { color:var(--rs-primary); background:var(--rs-light-gray); }

/* Header actions */
.rs-header__actions { display:flex; align-items:center; gap:8px; flex-shrink:0; }
.rs-header__search-btn {
  width:38px; height:38px; border-radius:var(--rs-radius-md);
  background:rgba(255,255,255,.1); color:var(--rs-white);
  display:flex; align-items:center; justify-content:center;
  transition:var(--rs-transition);
}
.rs-header__search-btn:hover { background:rgba(255,255,255,.2); color:var(--rs-secondary); }
.rs-menu-toggle { display:none; padding:8px; color:var(--rs-white); }

/* Language switcher */
.rs-lang-switcher { display:flex; align-items:center; gap:4px; background:rgba(255,255,255,.1); border-radius:20px; padding:3px; }
.rs-lang-switcher__btn {
  display:flex; align-items:center; gap:4px;
  padding:4px 10px; border-radius:16px;
  font-size:12px; font-weight:600; color:rgba(255,255,255,.7);
  transition:var(--rs-transition); cursor:pointer; border:none;
  background:transparent;
}
.rs-lang-switcher__btn--active, .rs-lang-switcher__btn:hover { background:var(--rs-secondary); color:var(--rs-primary-dark); }

/* Search overlay */
.rs-search-overlay {
  position:fixed; inset:0; z-index:9999;
  background:rgba(15,30,53,.95);
  display:flex; align-items:flex-start; justify-content:center;
  padding-top:80px;
  opacity:0; visibility:hidden; transition:var(--rs-transition);
}
.rs-search-overlay.rs-active { opacity:1; visibility:visible; }
.rs-search-overlay__inner { width:100%; max-width:720px; padding:0 20px; }
.rs-search-overlay__input {
  width:100%; padding:20px 60px 20px 24px;
  background:rgba(255,255,255,.08);
  border:2px solid rgba(255,255,255,.2); border-radius:var(--rs-radius-xl);
  color:var(--rs-white); font-size:22px; font-family:var(--rs-font-serif);
  outline:none; transition:var(--rs-transition);
}
.rs-search-overlay__input::placeholder { color:rgba(255,255,255,.4); }
.rs-search-overlay__input:focus { border-color:var(--rs-secondary); background:rgba(255,255,255,.12); }
.rs-search-overlay__results { margin-top:24px; }
.rs-search-overlay__close { position:absolute; top:24px; right:32px; color:rgba(255,255,255,.6); font-size:28px; cursor:pointer; transition:var(--rs-transition); background:none; border:none; }
.rs-search-overlay__close:hover { color:var(--rs-white); }

/* ─── HERO ─── */
.rs-hero {
  position:relative; overflow:hidden;
  background: linear-gradient(135deg, var(--rs-primary-dark) 0%, var(--rs-primary) 50%, var(--rs-primary-light) 100%);
  padding: 80px 0 100px;
  color: var(--rs-white);
}
.rs-hero::before {
  content:''; position:absolute; inset:0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 800 600"><circle cx="700" cy="100" r="300" fill="rgba(200,149,42,.06)"/><circle cx="100" cy="500" r="250" fill="rgba(44,110,73,.08)"/></svg>') no-repeat center/cover;
  pointer-events:none;
}
.rs-hero__inner { position:relative; z-index:1; display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center; }
.rs-hero__badge { display:inline-flex; align-items:center; gap:8px; background:rgba(200,149,42,.2); color:var(--rs-secondary); border:1px solid rgba(200,149,42,.3); border-radius:var(--rs-radius-full); padding:6px 16px; font-size:12px; font-weight:700; letter-spacing:.08em; text-transform:uppercase; margin-bottom:20px; }
.rs-hero__title { font-size:clamp(2.2rem,4vw,3.5rem); line-height:1.15; color:var(--rs-white); margin-bottom:20px; }
.rs-hero__title em { font-style:italic; color:var(--rs-secondary); }
.rs-hero__desc { font-size:18px; color:rgba(255,255,255,.75); line-height:1.7; margin-bottom:36px; }
.rs-hero__actions { display:flex; gap:14px; flex-wrap:wrap; }
.rs-hero__stats { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; margin-top:40px; }
.rs-hero__stat { text-align:center; padding:16px; background:rgba(255,255,255,.07); border-radius:var(--rs-radius-lg); border:1px solid rgba(255,255,255,.1); }
.rs-hero__stat-value { font-family:var(--rs-font-serif); font-size:28px; font-weight:700; color:var(--rs-secondary); }
.rs-hero__stat-label { font-size:12px; color:rgba(255,255,255,.6); text-transform:uppercase; letter-spacing:.05em; margin-top:4px; }
.rs-hero__visual { position:relative; }
.rs-hero__featured-card {
  background:rgba(255,255,255,.06); backdrop-filter:blur(12px);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--rs-radius-xl); padding:28px;
  box-shadow:var(--rs-shadow-xl);
}
.rs-hero__featured-card .rs-tag { margin-bottom:12px; }
.rs-hero__featured-title { font-size:20px; color:var(--rs-white); margin-bottom:10px; line-height:1.4; }
.rs-hero__featured-authors { font-size:13px; color:rgba(255,255,255,.65); margin-bottom:14px; }
.rs-hero__featured-meta { display:flex; gap:12px; font-size:12px; color:rgba(255,255,255,.5); }

/* ─── BUTTONS ─── */
.rs-btn {
  display:inline-flex; align-items:center; gap:8px;
  padding:10px 22px; border-radius:var(--rs-radius-md);
  font-family:var(--rs-font-sans); font-size:14px; font-weight:600;
  letter-spacing:.02em; cursor:pointer; transition:var(--rs-transition);
  text-decoration:none; border:none; white-space:nowrap;
}
.rs-btn--primary { background:var(--rs-secondary); color:var(--rs-primary-dark); }
.rs-btn--primary:hover { background:var(--rs-secondary-light); color:var(--rs-primary-dark); transform:translateY(-1px); box-shadow:0 6px 20px rgba(200,149,42,.4); }
.rs-btn--outline { background:transparent; color:var(--rs-white); border:2px solid rgba(255,255,255,.35); }
.rs-btn--outline:hover { border-color:var(--rs-secondary); color:var(--rs-secondary); }
.rs-btn--outline-primary { background:transparent; color:var(--rs-primary); border:2px solid var(--rs-primary); }
.rs-btn--outline-primary:hover { background:var(--rs-primary); color:var(--rs-white); }
.rs-btn--ghost { background:rgba(255,255,255,.08); color:var(--rs-white); }
.rs-btn--ghost:hover { background:rgba(255,255,255,.16); }
.rs-btn--sm { padding:7px 16px; font-size:13px; }
.rs-btn--lg { padding:14px 32px; font-size:16px; }
.rs-btn--icon { width:40px; height:40px; padding:0; justify-content:center; }

/* ─── TAGS / BADGES ─── */
.rs-tag {
  display:inline-flex; align-items:center; gap:4px;
  padding:4px 12px; border-radius:var(--rs-radius-full);
  font-size:11px; font-weight:700; letter-spacing:.05em; text-transform:uppercase;
  text-decoration:none; transition:var(--rs-transition);
}
.rs-tag--primary  { background:rgba(27,42,74,.1); color:var(--rs-primary); }
.rs-tag--primary:hover { background:var(--rs-primary); color:var(--rs-white); }
.rs-tag--secondary { background:rgba(200,149,42,.12); color:var(--rs-secondary); }
.rs-tag--accent   { background:rgba(44,110,73,.1); color:var(--rs-accent); }
.rs-tag--outline  { border:1px solid var(--rs-border); color:var(--rs-text-muted); }
.rs-keyword { display:inline-block; padding:3px 10px; background:var(--rs-light-gray); color:var(--rs-text-muted); border-radius:4px; font-size:11px; font-weight:500; margin:2px; }

/* ─── SECTION LAYOUT ─── */
.rs-section { padding:var(--rs-space-2xl) 0; }
.rs-section--alt { background:var(--rs-off-white); }
.rs-section--dark { background:var(--rs-primary); }
.rs-section__header { text-align:center; margin-bottom:var(--rs-space-xl); }
.rs-section__eyebrow { font-size:12px; font-weight:700; text-transform:uppercase; letter-spacing:.1em; color:var(--rs-secondary); margin-bottom:12px; display:block; }
.rs-section__title  { font-size:clamp(1.6rem,3vw,2.4rem); margin-bottom:14px; }
.rs-section__desc   { font-size:16px; color:var(--rs-text-muted); max-width:640px; margin:0 auto; line-height:1.7; }
.rs-section__header--left { text-align:left; }
.rs-section__header--left .rs-section__desc { margin:0; }

/* ─── ARTICLE CARDS ─── */
.rs-article-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(320px,1fr)); gap:24px; }
.rs-article-grid--list { grid-template-columns:1fr; }
.rs-article-grid--3 { grid-template-columns:repeat(3,1fr); }
.rs-article-grid--2 { grid-template-columns:repeat(2,1fr); }

.rs-article-card {
  background:var(--rs-white);
  border-radius:var(--rs-radius-lg);
  box-shadow:var(--rs-shadow-sm);
  border:1px solid var(--rs-border);
  overflow:hidden;
  transition:var(--rs-transition);
  display:flex; flex-direction:column;
}
.rs-article-card:hover { box-shadow:var(--rs-shadow-lg); transform:translateY(-3px); border-color:transparent; }
.rs-article-card--list { flex-direction:row; }

.rs-article-card__thumb { position:relative; overflow:hidden; aspect-ratio:16/9; flex-shrink:0; }
.rs-article-card--list .rs-article-card__thumb { width:220px; aspect-ratio:auto; }
.rs-article-card__thumb img { width:100%; height:100%; object-fit:cover; transition:transform .5s ease; }
.rs-article-card:hover .rs-article-card__thumb img { transform:scale(1.05); }

.rs-access-badge {
  position:absolute; bottom:10px; left:10px;
  display:flex; align-items:center; gap:4px;
  padding:4px 10px; border-radius:var(--rs-radius-full);
  font-size:10px; font-weight:700;
  backdrop-filter:blur(8px);
}
.rs-access-badge--code  { background:rgba(200,149,42,.85); color:#fff; }
.rs-access-badge--link  { background:rgba(27,110,184,.85); color:#fff; }
.rs-access-badge--private { background:rgba(192,57,43,.85); color:#fff; }

.rs-article-card__body { padding:22px; flex:1; display:flex; flex-direction:column; }
.rs-article-card__cats { display:flex; gap:6px; flex-wrap:wrap; margin-bottom:12px; }
.rs-article-card__title { font-size:17px; line-height:1.35; margin-bottom:10px; font-family:var(--rs-font-serif); }
.rs-article-card__title a { color:var(--rs-primary); }
.rs-article-card__title a:hover { color:var(--rs-secondary); }
.rs-article-card__authors { display:flex; align-items:center; gap:5px; font-size:13px; color:var(--rs-text-muted); margin-bottom:10px; }
.rs-article-card__excerpt { font-size:14px; color:var(--rs-text-muted); line-height:1.6; flex:1; margin-bottom:14px; }
.rs-article-card__keywords { display:flex; flex-wrap:wrap; gap:4px; margin-bottom:14px; }
.rs-article-card__meta {
  display:flex; align-items:center; gap:10px; flex-wrap:wrap;
  font-size:12px; color:var(--rs-text-light);
  border-top:1px solid var(--rs-border); padding-top:12px; margin-top:auto;
}
.rs-article-card__date { display:flex; align-items:center; gap:4px; }
.rs-article-card__vol  { font-weight:600; color:var(--rs-text-muted); }
.rs-article-card__id   { font-family:var(--rs-font-mono); color:var(--rs-text-light); }
.rs-article-card__doi  { background:var(--rs-primary); color:var(--rs-secondary); padding:2px 8px; border-radius:4px; font-size:10px; font-weight:700; letter-spacing:.05em; }
.rs-article-card__doi:hover { background:var(--rs-secondary); color:var(--rs-primary-dark); }

/* ─── ARTICLE SINGLE ─── */
.rs-article-layout { display:grid; grid-template-columns:1fr var(--rs-sidebar-width); gap:48px; align-items:start; }
.rs-article-header { margin-bottom:var(--rs-space-xl); }
.rs-article-header__meta { display:flex; align-items:center; gap:12px; flex-wrap:wrap; margin-bottom:20px; }
.rs-article-type-badge { background:var(--rs-primary); color:var(--rs-secondary); padding:5px 14px; border-radius:var(--rs-radius-full); font-size:11px; font-weight:700; letter-spacing:.06em; text-transform:uppercase; }
.rs-review-badge { background:rgba(44,110,73,.12); color:var(--rs-accent); border:1px solid rgba(44,110,73,.25); padding:4px 12px; border-radius:var(--rs-radius-full); font-size:11px; font-weight:600; }
.rs-article-header__title { font-size:clamp(1.8rem,4vw,2.8rem); line-height:1.2; margin-bottom:24px; }
.rs-article-header__authors { display:flex; gap:16px; flex-wrap:wrap; margin-bottom:20px; }
.rs-article-header__author { display:flex; align-items:center; gap:8px; }
.rs-article-header__author-avatar { width:36px; height:36px; border-radius:50%; object-fit:cover; }
.rs-article-header__author-info { display:flex; flex-direction:column; }
.rs-article-header__author-name { font-weight:600; font-size:14px; color:var(--rs-primary); }
.rs-article-header__author-name a { color:var(--rs-primary); }
.rs-article-header__author-name a:hover { color:var(--rs-secondary); }
.rs-article-header__author-inst { font-size:12px; color:var(--rs-text-muted); }
.rs-article-header__pub-info { display:grid; grid-template-columns:repeat(auto-fit,minmax(120px,1fr)); gap:12px; padding:18px; background:var(--rs-light-gray); border-radius:var(--rs-radius-lg); margin-bottom:24px; border:1px solid var(--rs-border); }
.rs-pub-info-item { display:flex; flex-direction:column; gap:2px; }
.rs-pub-info-item__label { font-size:10px; text-transform:uppercase; letter-spacing:.07em; color:var(--rs-text-light); font-weight:600; }
.rs-pub-info-item__value { font-size:14px; font-weight:600; color:var(--rs-primary); }

/* Abstract box */
.rs-abstract-box {
  background: linear-gradient(135deg, var(--rs-off-white), var(--rs-cream));
  border-left:4px solid var(--rs-secondary);
  border-radius:0 var(--rs-radius-lg) var(--rs-radius-lg) 0;
  padding:28px 32px;
  margin-bottom:var(--rs-space-xl);
}
[dir="rtl"] .rs-abstract-box { border-left:none; border-right:4px solid var(--rs-secondary); border-radius:var(--rs-radius-lg) 0 0 var(--rs-radius-lg); }
.rs-abstract-box__tabs { display:flex; gap:0; border-bottom:2px solid var(--rs-border); margin-bottom:18px; }
.rs-abstract-box__tab { padding:8px 18px; font-size:13px; font-weight:600; color:var(--rs-text-muted); cursor:pointer; border-bottom:3px solid transparent; margin-bottom:-2px; transition:var(--rs-transition); }
.rs-abstract-box__tab.rs-active { color:var(--rs-primary); border-bottom-color:var(--rs-secondary); }
.rs-abstract-box__tab-panel { display:none; }
.rs-abstract-box__tab-panel.rs-active { display:block; }
.rs-abstract-box__title { font-size:11px; text-transform:uppercase; letter-spacing:.1em; font-weight:700; color:var(--rs-secondary); margin-bottom:12px; }
.rs-abstract-box__text { font-size:15px; line-height:1.85; color:var(--rs-text); text-align:justify; }
.rs-abstract-box__keywords { display:flex; gap:6px; flex-wrap:wrap; margin-top:18px; padding-top:16px; border-top:1px solid var(--rs-border); }
.rs-abstract-box__kw-label { font-size:12px; font-weight:700; color:var(--rs-text-muted); margin-right:4px; }

/* Article body */
.rs-article-body {
  font-size:16px; line-height:1.9; color:var(--rs-text);
}
.rs-article-body h2 { font-size:24px; color:var(--rs-primary); margin:40px 0 16px; padding-bottom:8px; border-bottom:2px solid var(--rs-border); }
.rs-article-body h3 { font-size:19px; color:var(--rs-primary-light); margin:30px 0 12px; }
.rs-article-body h4 { font-size:16px; color:var(--rs-text); font-weight:700; margin:24px 0 8px; }
.rs-article-body p  { margin-bottom:20px; text-align:justify; }
.rs-article-body blockquote {
  margin:28px 0; padding:18px 24px;
  border-left:4px solid var(--rs-secondary);
  background:var(--rs-off-white);
  border-radius:0 var(--rs-radius-md) var(--rs-radius-md) 0;
  font-style:italic; font-size:17px; color:var(--rs-text-muted);
}
.rs-article-body figure { margin:28px 0; text-align:center; }
.rs-article-body figure img { border-radius:var(--rs-radius-md); max-width:100%; box-shadow:var(--rs-shadow-md); }
.rs-article-body figcaption { margin-top:10px; font-size:13px; color:var(--rs-text-muted); font-style:italic; }
.rs-article-body table { width:100%; border-collapse:collapse; margin:24px 0; font-size:14px; box-shadow:var(--rs-shadow-sm); border-radius:var(--rs-radius-md); overflow:hidden; }
.rs-article-body table th { background:var(--rs-primary); color:var(--rs-white); padding:12px 16px; text-align:left; font-size:13px; text-transform:uppercase; letter-spacing:.04em; }
.rs-article-body table td { padding:10px 16px; border-bottom:1px solid var(--rs-border); }
.rs-article-body table tr:nth-child(even) td { background:var(--rs-off-white); }
.rs-article-body a { color:var(--rs-primary-light); text-decoration:underline; text-decoration-color:rgba(46,75,122,.3); }
.rs-article-body a:hover { color:var(--rs-secondary); text-decoration-color:var(--rs-secondary); }
.rs-article-body code { background:var(--rs-light-gray); padding:2px 7px; border-radius:4px; font-family:var(--rs-font-mono); font-size:.88em; color:var(--rs-primary); }
.rs-article-body pre { background:var(--rs-primary-dark); color:#e2e8f0; padding:20px 24px; border-radius:var(--rs-radius-md); overflow-x:auto; margin:24px 0; }
.rs-article-body pre code { background:none; color:inherit; padding:0; }
.rs-article-body ol, .rs-article-body ul { padding-left:24px; margin-bottom:20px; }
.rs-article-body li { margin-bottom:8px; }
[dir="rtl"] .rs-article-body ol, [dir="rtl"] .rs-article-body ul { padding-left:0; padding-right:24px; }

/* ─── FILES VIEWER ─── */
.rs-files-section { margin:var(--rs-space-xl) 0; }
.rs-files-section__title { font-size:16px; font-weight:700; color:var(--rs-primary); margin-bottom:16px; display:flex; align-items:center; gap:8px; }
.rs-files-list { display:flex; flex-direction:column; gap:10px; }
.rs-file-card {
  display:flex; align-items:center; gap:16px;
  padding:16px 20px;
  background:var(--rs-white);
  border:1px solid var(--rs-border);
  border-radius:var(--rs-radius-lg);
  box-shadow:var(--rs-shadow-sm);
  transition:var(--rs-transition);
}
.rs-file-card:hover { border-color:var(--rs-secondary); box-shadow:var(--rs-shadow-md); }
.rs-file-icon {
  width:44px; height:44px; border-radius:var(--rs-radius-md); flex-shrink:0;
  display:flex; align-items:center; justify-content:center;
  font-size:11px; font-weight:800; letter-spacing:.04em; color:var(--rs-white);
}
.rs-file-icon--pdf   { background:linear-gradient(135deg,#E53E3E,#C53030); }
.rs-file-icon--xlsx, .rs-file-icon--csv  { background:linear-gradient(135deg,#38A169,#276749); }
.rs-file-icon--docx  { background:linear-gradient(135deg,#3182CE,#2B6CB0); }
.rs-file-icon--zip   { background:linear-gradient(135deg,#D69E2E,#B7791F); }
.rs-file-icon--data  { background:linear-gradient(135deg,#805AD5,#6B46C1); }
.rs-file-icon--code  { background:linear-gradient(135deg,#1A202C,#2D3748); }
.rs-file-icon--image { background:linear-gradient(135deg,#E91E63,#C2185B); }
.rs-file-icon--video { background:linear-gradient(135deg,#FF5722,#E64A19); }
.rs-file-icon--audio { background:linear-gradient(135deg,#9C27B0,#7B1FA2); }
.rs-file-icon--other { background:linear-gradient(135deg,var(--rs-primary),var(--rs-primary-light)); }
.rs-file-info { flex:1; min-width:0; }
.rs-file-info__title { font-weight:600; font-size:14px; color:var(--rs-primary); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.rs-file-info__desc  { font-size:12px; color:var(--rs-text-muted); margin-top:2px; }
.rs-file-info__meta  { display:flex; gap:12px; margin-top:4px; font-size:11px; color:var(--rs-text-light); }
.rs-file-actions { display:flex; gap:8px; flex-shrink:0; }
.rs-file-btn { display:inline-flex; align-items:center; gap:5px; padding:7px 14px; border-radius:var(--rs-radius-md); font-size:12px; font-weight:600; transition:var(--rs-transition); text-decoration:none; }
.rs-file-btn--download { background:var(--rs-primary); color:var(--rs-white); }
.rs-file-btn--download:hover { background:var(--rs-secondary); color:var(--rs-primary-dark); }
.rs-file-btn--preview  { background:var(--rs-light-gray); color:var(--rs-primary); border:1px solid var(--rs-border); }
.rs-file-btn--preview:hover { background:var(--rs-primary); color:var(--rs-white); }

/* PDF Viewer */
.rs-pdf-viewer { margin:24px 0; border-radius:var(--rs-radius-lg); overflow:hidden; border:1px solid var(--rs-border); box-shadow:var(--rs-shadow-md); }
.rs-pdf-viewer__toolbar { display:flex; align-items:center; justify-content:space-between; padding:10px 16px; background:var(--rs-primary); color:var(--rs-white); }
.rs-pdf-viewer__nav { display:flex; align-items:center; gap:8px; }
.rs-pdf-viewer__nav button { background:rgba(255,255,255,.1); color:var(--rs-white); border:none; border-radius:4px; padding:5px 10px; cursor:pointer; font-size:13px; transition:var(--rs-transition); }
.rs-pdf-viewer__nav button:hover { background:rgba(255,255,255,.2); }
.rs-pdf-viewer__canvas-wrap { background:#525659; display:flex; justify-content:center; padding:16px; min-height:600px; }
.rs-pdf-viewer__canvas { max-width:100%; box-shadow:0 4px 20px rgba(0,0,0,.4); }

/* ─── ACCESS GATE ─── */
.rs-access-gate {
  margin:var(--rs-space-xl) 0;
  border-radius:var(--rs-radius-xl);
  overflow:hidden;
  box-shadow:var(--rs-shadow-lg);
  border:1px solid var(--rs-border);
}
.rs-access-gate__inner {
  padding:48px 40px;
  text-align:center;
  background:linear-gradient(135deg,var(--rs-off-white),var(--rs-cream));
}
.rs-access-gate__icon { font-size:56px; margin-bottom:16px; display:block; }
.rs-access-gate__title { font-size:22px; color:var(--rs-primary); margin-bottom:12px; }
.rs-access-gate__desc  { font-size:15px; color:var(--rs-text-muted); max-width:480px; margin:0 auto 24px; line-height:1.7; }
.rs-access-gate__hint  { font-size:13px; color:var(--rs-secondary); background:rgba(200,149,42,.1); border:1px solid rgba(200,149,42,.25); border-radius:var(--rs-radius-md); padding:8px 16px; display:inline-block; margin-bottom:20px; }
.rs-access-form-group  { display:flex; gap:10px; max-width:420px; margin:0 auto; }
.rs-access-input { flex:1; padding:12px 18px; border:2px solid var(--rs-border); border-radius:var(--rs-radius-md); font-size:15px; text-align:center; letter-spacing:.1em; font-family:var(--rs-font-mono); transition:var(--rs-transition); outline:none; }
.rs-access-input:focus { border-color:var(--rs-primary); box-shadow:0 0 0 3px rgba(27,42,74,.12); }
.rs-access-gate__error { color:var(--rs-danger); font-size:13px; margin-top:10px; font-weight:500; }
.rs-access-gate__contact { margin-top:24px; }
.rs-access-gate__contact-link { color:var(--rs-primary-light); font-size:13px; text-decoration:underline; }
.rs-content-preview { position:relative; max-height:300px; overflow:hidden; }
.rs-content-fade { position:absolute; bottom:0; left:0; right:0; height:120px; background:linear-gradient(transparent,var(--rs-white)); }

/* ─── CITATION BLOCK ─── */
.rs-citation-block {
  background:var(--rs-light-gray);
  border-radius:var(--rs-radius-lg);
  padding:20px 24px;
  margin:var(--rs-space-xl) 0;
  border:1px solid var(--rs-border);
}
.rs-citation-block__title { font-size:12px; text-transform:uppercase; letter-spacing:.08em; color:var(--rs-secondary); font-weight:700; margin-bottom:12px; display:flex; align-items:center; gap:6px; }
.rs-citation-text { font-size:14px; line-height:1.8; color:var(--rs-text); font-family:var(--rs-font-serif); font-style:italic; }
.rs-citation-formats { display:flex; gap:6px; flex-wrap:wrap; margin-top:14px; margin-bottom:12px; }
.rs-cite-fmt-btn { padding:4px 12px; border-radius:var(--rs-radius-full); font-size:11px; font-weight:700; border:1px solid var(--rs-border); color:var(--rs-text-muted); cursor:pointer; transition:var(--rs-transition); background:var(--rs-white); }
.rs-cite-fmt-btn.rs-active, .rs-cite-fmt-btn:hover { background:var(--rs-primary); color:var(--rs-white); border-color:var(--rs-primary); }

/* ─── HISTORY PANEL ─── */
.rs-history-panel { display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--rs-border); border-radius:var(--rs-radius-lg); overflow:hidden; margin:var(--rs-space-xl) 0; box-shadow:var(--rs-shadow-sm); }
.rs-history-item { background:var(--rs-white); padding:16px 20px; text-align:center; }
.rs-history-item__icon { font-size:20px; margin-bottom:6px; display:block; }
.rs-history-item__label { font-size:10px; text-transform:uppercase; letter-spacing:.07em; color:var(--rs-text-light); font-weight:600; }
.rs-history-item__date  { font-size:14px; font-weight:700; color:var(--rs-primary); margin-top:4px; }

/* ─── SHARE BAR ─── */
.rs-share { display:flex; align-items:center; gap:8px; flex-wrap:wrap; }
.rs-share__label { font-size:12px; font-weight:700; text-transform:uppercase; letter-spacing:.06em; color:var(--rs-text-muted); }
.rs-share__btn {
  width:36px; height:36px;
  display:flex; align-items:center; justify-content:center;
  border-radius:var(--rs-radius-md);
  transition:var(--rs-transition);
  font-size:12px; font-weight:700;
  cursor:pointer; border:none;
}
.rs-share__btn--twitter  { background:#000; color:#fff; }
.rs-share__btn--linkedin { background:#0A66C2; color:#fff; }
.rs-share__btn--rg       { background:#40BA9B; color:#fff; }
.rs-share__btn--copy     { background:var(--rs-light-gray); color:var(--rs-primary); }
.rs-share__btn:hover     { transform:translateY(-2px); box-shadow:var(--rs-shadow-md); }

/* ─── AUTHORS SECTION ─── */
.rs-author-grid { display:grid; grid-template-columns:repeat(var(--cols,4),1fr); gap:20px; }
.rs-author-card { background:var(--rs-white); border:1px solid var(--rs-border); border-radius:var(--rs-radius-lg); padding:20px; display:flex; gap:16px; align-items:flex-start; transition:var(--rs-transition); box-shadow:var(--rs-shadow-sm); }
.rs-author-card:hover { box-shadow:var(--rs-shadow-lg); border-color:transparent; transform:translateY(-2px); }
.rs-author-card__avatar { width:60px; height:60px; border-radius:50%; object-fit:cover; flex-shrink:0; }
.rs-author-card__avatar-placeholder { width:60px; height:60px; border-radius:50%; background:linear-gradient(135deg,var(--rs-primary),var(--rs-primary-light)); color:var(--rs-white); display:flex; align-items:center; justify-content:center; font-size:24px; font-family:var(--rs-font-serif); font-weight:700; flex-shrink:0; }
.rs-author-card__name { font-size:16px; font-weight:700; margin-bottom:4px; }
.rs-author-card__name a { color:var(--rs-primary); }
.rs-author-card__speciality { font-size:13px; color:var(--rs-secondary); font-weight:600; margin-bottom:4px; }
.rs-author-card__institution, .rs-author-card__country { font-size:12px; color:var(--rs-text-muted); }
.rs-author-card__orcid { display:inline-flex; align-items:center; gap:4px; font-size:11px; color:var(--rs-accent); text-decoration:none; }
.rs-author-card__email { font-size:11px; color:var(--rs-primary-light); text-decoration:none; }
.rs-author-card__count { display:inline-block; margin-top:8px; font-size:11px; font-weight:700; padding:3px 10px; background:rgba(27,42,74,.08); color:var(--rs-primary); border-radius:var(--rs-radius-full); }

/* ─── TEAM GRID ─── */
.rs-team-grid { display:grid; grid-template-columns:repeat(var(--cols,4),1fr); gap:20px; }
.rs-team-card { background:var(--rs-white); border-radius:var(--rs-radius-xl); overflow:hidden; box-shadow:var(--rs-shadow-sm); border:1px solid var(--rs-border); transition:var(--rs-transition); text-align:center; }
.rs-team-card:hover { box-shadow:var(--rs-shadow-xl); transform:translateY(-4px); }
.rs-team-card__photo { aspect-ratio:1; overflow:hidden; }
.rs-team-card__photo img { width:100%; height:100%; object-fit:cover; transition:transform .4s; }
.rs-team-card:hover .rs-team-card__photo img { transform:scale(1.08); }
.rs-team-card__initials { width:100%; aspect-ratio:1; background:linear-gradient(135deg,var(--rs-primary),var(--rs-primary-light)); display:flex; align-items:center; justify-content:center; font-size:64px; font-family:var(--rs-font-serif); color:var(--rs-secondary); }
.rs-team-card__info { padding:18px 20px; }
.rs-team-card__name { font-size:15px; font-weight:700; margin-bottom:4px; }
.rs-team-card__name a { color:var(--rs-primary); }
.rs-team-card__role { font-size:12px; color:var(--rs-secondary); font-weight:700; text-transform:uppercase; letter-spacing:.06em; margin-bottom:4px; }
.rs-team-card__inst { font-size:12px; color:var(--rs-text-muted); margin-bottom:8px; }
.rs-team-card__bio  { font-size:12px; color:var(--rs-text-muted); line-height:1.6; }
.rs-team-card__links { display:flex; justify-content:center; gap:8px; margin-top:12px; }
.rs-team-link { width:30px; height:30px; border-radius:50%; background:var(--rs-light-gray); color:var(--rs-text-muted); display:flex; align-items:center; justify-content:center; font-size:13px; text-decoration:none; transition:var(--rs-transition); }
.rs-team-link:hover { background:var(--rs-primary); color:var(--rs-white); }
.rs-team-link--orcid:hover { background:var(--rs-accent); }

/* ─── STATS ─── */
.rs-stats-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.rs-stat-card { background:var(--rs-white); border-radius:var(--rs-radius-xl); padding:28px; text-align:center; box-shadow:var(--rs-shadow-md); border:1px solid var(--rs-border); transition:var(--rs-transition); }
.rs-stat-card:hover { transform:translateY(-4px); box-shadow:var(--rs-shadow-xl); }
.rs-stat-card__icon { font-size:32px; margin-bottom:12px; display:block; }
.rs-stat-card__value { font-family:var(--rs-font-serif); font-size:42px; font-weight:700; color:var(--rs-primary); line-height:1; margin-bottom:8px; }
.rs-stat-card__label { font-size:13px; color:var(--rs-text-muted); font-weight:500; text-transform:uppercase; letter-spacing:.05em; }

/* ─── SIDEBAR ─── */
.rs-sidebar { position:sticky; top:calc(var(--rs-header-height) + 20px); display:flex; flex-direction:column; gap:20px; }
.rs-sidebar-card { background:var(--rs-white); border-radius:var(--rs-radius-lg); padding:22px; border:1px solid var(--rs-border); box-shadow:var(--rs-shadow-sm); }
.rs-sidebar-card__title { font-family:var(--rs-font-serif); font-size:16px; font-weight:700; color:var(--rs-primary); margin-bottom:16px; padding-bottom:12px; border-bottom:2px solid var(--rs-secondary); display:flex; align-items:center; gap:8px; }
.rs-sidebar-card__title svg { color:var(--rs-secondary); }

/* ─── CALL TO ACTION ─── */
.rs-cta { background:linear-gradient(135deg,var(--rs-primary),var(--rs-primary-light)); padding:var(--rs-space-2xl) 0; color:var(--rs-white); text-align:center; position:relative; overflow:hidden; }
.rs-cta::before { content:''; position:absolute; inset:0; background:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 600 400"><circle cx="500" cy="200" r="200" fill="rgba(200,149,42,.07)"/></svg>') no-repeat right center; }
.rs-cta__inner { position:relative; max-width:720px; margin:0 auto; padding:0 20px; }
.rs-cta__title { font-size:clamp(1.8rem,3vw,2.6rem); color:var(--rs-white); margin-bottom:16px; }
.rs-cta__text  { font-size:17px; color:rgba(255,255,255,.8); margin-bottom:32px; line-height:1.7; }
.rs-cta__actions { display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }

/* ─── FOOTER ─── */
.rs-footer { background:var(--rs-footer-bg,var(--rs-primary-dark)); color:rgba(255,255,255,.75); padding:60px 0 0; }
.rs-footer__main { display:grid; grid-template-columns:1.4fr repeat(3,1fr); gap:48px; margin-bottom:48px; }
.rs-footer__brand-name { font-family:var(--rs-font-serif); font-size:20px; font-weight:700; color:var(--rs-white); margin-bottom:8px; }
.rs-footer__brand-desc { font-size:13px; line-height:1.7; color:rgba(255,255,255,.6); margin-bottom:16px; }
.rs-footer__issn { font-size:12px; color:rgba(255,255,255,.5); }
.rs-footer__issn span { font-weight:700; color:var(--rs-secondary); }
.rs-footer__social { display:flex; gap:10px; margin-top:16px; }
.rs-footer__social a { width:34px; height:34px; border-radius:var(--rs-radius-md); background:rgba(255,255,255,.08); color:rgba(255,255,255,.6); display:flex; align-items:center; justify-content:center; font-size:15px; text-decoration:none; transition:var(--rs-transition); }
.rs-footer__social a:hover { background:var(--rs-secondary); color:var(--rs-primary-dark); }
.rs-footer__col-title { font-size:12px; text-transform:uppercase; letter-spacing:.1em; color:var(--rs-secondary); font-weight:700; margin-bottom:16px; }
.rs-footer__links { list-style:none; display:flex; flex-direction:column; gap:8px; }
.rs-footer__links a { color:rgba(255,255,255,.6); font-size:13px; text-decoration:none; transition:var(--rs-transition); }
.rs-footer__links a:hover { color:var(--rs-secondary); padding-left:4px; }
[dir="rtl"] .rs-footer__links a:hover { padding-left:0; padding-right:4px; }
.rs-footer__bottom { border-top:1px solid rgba(255,255,255,.08); padding:20px 0; display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:12px; }
.rs-footer__copyright { font-size:12px; color:rgba(255,255,255,.45); }
.rs-footer__bottom-links { display:flex; gap:16px; }
.rs-footer__bottom-links a { font-size:12px; color:rgba(255,255,255,.45); text-decoration:none; transition:var(--rs-transition); }
.rs-footer__bottom-links a:hover { color:var(--rs-secondary); }
.rs-footer__license { display:flex; align-items:center; gap:6px; font-size:11px; color:rgba(255,255,255,.4); }

/* ─── BREADCRUMBS ─── */
.rs-breadcrumbs { margin-bottom:24px; }
.rs-breadcrumbs__list { display:flex; align-items:center; gap:8px; list-style:none; flex-wrap:wrap; }
.rs-breadcrumbs__list li { display:flex; align-items:center; gap:8px; font-size:13px; color:var(--rs-text-muted); }
.rs-breadcrumbs__list li::after { content:'›'; color:var(--rs-mid-gray); }
.rs-breadcrumbs__list li:last-child::after { display:none; }
.rs-breadcrumbs__list a { color:var(--rs-primary-light); text-decoration:none; }
.rs-breadcrumbs__list a:hover { color:var(--rs-secondary); }

/* ─── PAGINATION ─── */
.rs-pagination { display:flex; justify-content:center; margin:var(--rs-space-xl) 0; }
.rs-pagination__list { display:flex; gap:6px; list-style:none; }
.rs-pagination__item a, .rs-pagination__item span {
  display:flex; align-items:center; justify-content:center;
  width:38px; height:38px; border-radius:var(--rs-radius-md);
  font-size:14px; font-weight:600;
  border:1px solid var(--rs-border);
  color:var(--rs-text); text-decoration:none;
  transition:var(--rs-transition);
}
.rs-pagination__item--current span { background:var(--rs-primary); color:var(--rs-white); border-color:var(--rs-primary); }
.rs-pagination__item a:hover { border-color:var(--rs-primary); color:var(--rs-primary); }

/* ─── SPINNER ─── */
.rs-spinner { display:inline-block; width:20px; height:20px; border:3px solid rgba(27,42,74,.15); border-top-color:var(--rs-primary); border-radius:50%; animation:rs-spin .7s linear infinite; }
@keyframes rs-spin { to { transform:rotate(360deg); } }

/* ─── METABOXES ADMIN ─── */
.rs-mb-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(220px,1fr)); gap:16px; }
.rs-mb-field { display:flex; flex-direction:column; gap:5px; }
.rs-mb-field label { font-size:11px; font-weight:700; text-transform:uppercase; letter-spacing:.05em; color:#1e1e1e; }
.rs-mb-field input, .rs-mb-field select, .rs-mb-field textarea { border-radius:4px; border-color:#ddd; }
.rs-mb-field--full { grid-column:1/-1; }
.rs-mb-hint { font-size:11px; color:#666; margin:3px 0 0; font-style:italic; }
.rs-mb-char-count { font-size:11px; color:#888; text-align:right; }
.rs-mb-tabs__nav { display:flex; gap:0; border-bottom:2px solid #ddd; margin-bottom:16px; }
.rs-mb-tab { padding:8px 16px; font-size:13px; font-weight:600; color:#666; cursor:pointer; border-bottom:3px solid transparent; margin-bottom:-2px; transition:.18s; background:none; border-top:none; border-left:none; border-right:none; }
.rs-mb-tab.active { color:#1B2A4A; border-bottom-color:#C8952A; }
.rs-mb-tab-panel { display:none; }
.rs-mb-tab-panel.active { display:block; }
.rs-mb-abstract-field { min-height:120px; }
.rs-access-options { display:grid; grid-template-columns:repeat(2,1fr); gap:10px; }
.rs-access-option { display:flex; flex-direction:column; align-items:center; padding:12px; border:2px solid #ddd; border-radius:6px; cursor:pointer; transition:.18s; }
.rs-access-option input { display:none; }
.rs-access-option--active { border-color:#1B2A4A; background:#f0f4fb; }
.rs-access-option__icon { font-size:24px; margin-bottom:4px; }
.rs-access-option__name { font-size:13px; font-weight:700; color:#1B2A4A; }
.rs-access-option__desc { font-size:11px; color:#666; text-align:center; }
.rs-mb-code-wrap { display:flex; gap:8px; }
.rs-mb-doi-wrap { display:flex; align-items:center; gap:0; border:1px solid #ddd; border-radius:4px; overflow:hidden; }
.rs-mb-doi-prefix { padding:7px 10px; background:#f0f0f0; font-size:12px; color:#666; border-right:1px solid #ddd; white-space:nowrap; }
.rs-mb-doi-wrap input { border:none; border-radius:0; box-shadow:none; }
.rs-mb-doi-link { font-size:12px; color:#1B2A4A; margin-top:4px; display:inline-block; }
.rs-sortable-authors, .rs-sortable-files { list-style:none; }
.rs-author-item { display:flex; align-items:center; gap:10px; padding:10px; background:#f9f9f9; border:1px solid #ddd; border-radius:6px; margin-bottom:6px; cursor:move; }
.rs-author-item__handle { cursor:move; color:#aaa; }
.rs-author-item__avatar { width:32px; height:32px; border-radius:50%; object-fit:cover; }
.rs-author-item__name { font-weight:600; font-size:13px; flex:1; }
.rs-author-item__inst { font-size:11px; color:#888; }
.rs-author-item__remove { margin-left:auto; color:#c00; background:none; border:none; cursor:pointer; font-size:16px; }
.rs-file-row { display:flex; gap:10px; align-items:flex-start; padding:12px; background:#f9f9f9; border:1px solid #ddd; border-radius:6px; margin-bottom:6px; }
.rs-file-row__handle { cursor:move; color:#aaa; padding-top:4px; flex-shrink:0; }
.rs-file-row__icon { width:40px; height:40px; border-radius:4px; display:flex; align-items:center; justify-content:center; font-size:10px; font-weight:800; color:#fff; flex-shrink:0; }
.rs-file-row__fields { flex:1; display:flex; flex-direction:column; gap:6px; }
.rs-file-row__row1, .rs-file-row__row2, .rs-file-row__row3 { display:flex; gap:8px; align-items:center; }
.rs-file-title { flex:1; }
.rs-file-url { min-width:0; }
.rs-file-row__size { font-size:11px; color:#888; white-space:nowrap; }
.rs-file-row__remove { color:#c00; background:none; border:none; cursor:pointer; font-size:14px; flex-shrink:0; }
.rs-file-row__public label { font-size:12px; }
.rs-mb-files-actions { margin-top:10px; display:flex; gap:8px; }
.rs-keywords-preview { display:flex; flex-wrap:wrap; gap:4px; margin-top:6px; }
.rs-mb-access-section { margin-top:12px; padding:12px; background:#f9f9f9; border:1px solid #ddd; border-radius:6px; }
.rs-mb-link-display { display:flex; gap:6px; }
.rs-copy-input { flex:1; }
.rs-mb-authors-selector { display:flex; gap:8px; align-items:center; flex-wrap:wrap; margin-bottom:12px; }
.rs-mb-seo .rs-mb-field { margin-bottom:12px; }

/* ─── UTILITIES ─── */
.rs-text-center { text-align:center; }
.rs-text-muted  { color:var(--rs-text-muted); }
.rs-mt-sm { margin-top:var(--rs-space-sm); }
.rs-mt-md { margin-top:var(--rs-space-md); }
.rs-mt-xl { margin-top:var(--rs-space-xl); }
.rs-mb-xl { margin-bottom:var(--rs-space-xl); }
.rs-divider { border:none; border-top:1px solid var(--rs-border); margin:var(--rs-space-xl) 0; }

/* ─── RESPONSIVE ─── */
@media(max-width:1024px) {
  .rs-hero__inner   { grid-template-columns:1fr; }
  .rs-hero__visual  { display:none; }
  .rs-article-layout { grid-template-columns:1fr; }
  .rs-footer__main  { grid-template-columns:1fr 1fr; }
  .rs-stats-grid    { grid-template-columns:repeat(2,1fr); }
  .rs-history-panel { grid-template-columns:repeat(2,1fr); }
}
@media(max-width:768px) {
  .rs-nav { display:none; }
  .rs-nav.rs-open { display:flex; flex-direction:column; position:fixed; inset:0; top:var(--rs-header-height); background:var(--rs-primary-dark); z-index:998; padding:20px; overflow-y:auto; }
  .rs-nav__list { flex-direction:column; width:100%; }
  .rs-nav__link { padding:14px 12px; font-size:16px; width:100%; }
  .rs-nav__dropdown { position:static; opacity:1; visibility:visible; transform:none; box-shadow:none; background:rgba(255,255,255,.05); }
  .rs-menu-toggle { display:flex; }
  .rs-author-grid, .rs-team-grid { grid-template-columns:repeat(2,1fr); }
  .rs-article-grid { grid-template-columns:1fr; }
  .rs-footer__main { grid-template-columns:1fr; gap:32px; }
  .rs-article-header__pub-info { grid-template-columns:repeat(2,1fr); }
  .rs-stats-grid { grid-template-columns:repeat(2,1fr); }
}
@media(max-width:480px) {
  .rs-author-grid, .rs-team-grid { grid-template-columns:1fr; }
  .rs-stats-grid { grid-template-columns:1fr 1fr; }
  .rs-hero { padding:48px 0 60px; }
  .rs-access-gate__inner { padding:32px 20px; }
  .rs-access-form-group { flex-direction:column; }
}