/* ===== RSU Journal Theme - Modern Style v2 ===== */
html body { font-family: 'Noto Sans Thai', system-ui, -apple-system, sans-serif; background: #f8fafc; color: #0f172a; }

/* ขยายความกว้างและจัดการหน้าเว็บ OJS 3.5 */
.pkp_structure_content:has(.rsu-index) .pkp_structure_sidebar { display: none !important; }
.pkp_structure_main:has(.rsu-index) { width: 100% !important; max-width: 100% !important; float: none !important; padding: 0 !important; margin: 0 !important; }
.pkp_structure_main:has(.rsu-index)::before,
.pkp_structure_main:has(.rsu-index)::after { display: none !important; }

.rsu-index {
  --p: var(--rsu-primary, #4f46e5);
  --a: var(--rsu-accent, #06b6d4);
  --surface: #ffffff;
  --surface-2: #f1f5f9;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;
  --radius: 20px;
  --shadow: 0 1px 3px rgba(15,23,42,.04), 0 10px 30px rgba(15,23,42,.06);
  --shadow-lg: 0 20px 40px rgba(15,23,42,.12);
  
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px 96px;
  box-sizing: border-box;
}
.rsu-index *, .rsu-index *::before, .rsu-index *::after { box-sizing: border-box; margin: 0; padding: 0; }
.rsu-index a { text-decoration: none; color: inherit; }

/* ---------- Hero Section ---------- */
.rsu-hero {
  position: relative;
  isolation: isolate;
  text-align: center;
  padding: 80px 0 56px;
}
.rsu-hero::before {
  content: "";
  position: absolute;
  left: 50%;
  top: -120px;
  transform: translateX(-50%);
  width: min(900px, 100%);
  height: 500px;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(closest-side at 35% 50%, color-mix(in srgb, var(--p) 20%, transparent), transparent),
    radial-gradient(closest-side at 65% 45%, color-mix(in srgb, var(--a) 16%, transparent), transparent);
}
.rsu-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: .85rem;
  color: var(--muted);
  margin-bottom: 24px;
  box-shadow: 0 1px 2px rgba(0,0,0,.02);
}
.rsu-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 4px rgba(34,197,94,.15);
}
.rsu-hero-title {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--text);
  margin-bottom: 16px;
}
.rsu-hero-title span {
  background: linear-gradient(90deg, var(--p), var(--a));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.rsu-hero-desc {
  color: var(--muted);
  max-width: 620px;
  margin: 0 auto 36px;
  font-size: 1.05rem;
  line-height: 1.6;
}

/* Search Bar */
.rsu-search {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px 8px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  box-shadow: var(--shadow);
  transition: all .25s ease;
}
.rsu-search:focus-within {
  border-color: var(--p);
  box-shadow: 0 0 0 5px color-mix(in srgb, var(--p) 15%, transparent);
}
.rsu-search svg { flex-shrink: 0; color: var(--muted); }
.rsu-search input {
  flex: 1;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  font: inherit;
  font-size: 1rem;
  color: var(--text);
  padding: 8px 0;
}
.rsu-search kbd {
  font-family: inherit;
  font-size: .75rem;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px 8px;
  background: var(--surface-2);
}

/* Stats */
.rsu-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-top: 48px;
  flex-wrap: wrap;
}
.rsu-stat[hidden] { display: none; }
.rsu-stat b {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--text);
}
.rsu-stat span { color: var(--muted); font-size: .9rem; }

/* ---------- Toolbar & Filters ---------- */
.rsu-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin: 24px 0 16px;
}
.rsu-chips {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  max-width: 100%;
  padding: 4px 0;
}
.rsu-chips::-webkit-scrollbar { display: none; }
.rsu-chips[hidden] { display: none; }
.rsu-chip {
  white-space: nowrap;
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  font: inherit;
  font-size: .9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all .2s;
}
.rsu-chip:hover { color: var(--text); border-color: var(--muted); }
.rsu-chip.is-active { background: var(--text); color: #fff; border-color: var(--text); }

.rsu-tools {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-left: auto;
}
.rsu-select {
  font: inherit;
  font-size: .9rem;
  padding: 10px 16px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  outline: 0;
}
.rsu-select:focus { border-color: var(--p); }

.rsu-segment {
  display: flex;
  padding: 4px;
  background: var(--surface-2);
  border-radius: 12px;
  border: 1px solid var(--border);
}
.rsu-segment button {
  border: 0;
  background: transparent;
  padding: 6px 12px;
  border-radius: 8px;
  cursor: pointer;
  color: var(--muted);
  display: grid;
  place-items: center;
  transition: all .2s;
}
.rsu-segment button.is-active { background: var(--surface); color: var(--text); box-shadow: 0 1px 3px rgba(0,0,0,.08); }

.rsu-result {
  color: var(--muted);
  font-size: .9rem;
  margin-bottom: 20px;
}
.rsu-result b { color: var(--text); }

/* ---------- Grid & Cards ---------- */
.rsu-grid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}
.rsu-grid > li { display: flex; }
.rsu-grid > li[hidden] { display: none; }

.rsu-card {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 2px 4px rgba(15,23,42,.02);
  transition: transform .35s cubic-bezier(.2,.8,.2,1), box-shadow .35s;
}
.rsu-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: color-mix(in srgb, var(--p) 30%, var(--border));
}

/* Cover Styling */
.rsu-cover {
  position: relative;
  aspect-ratio: 3 / 4;
  border-radius: 14px;
  overflow: hidden;
  padding: 18px;
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: linear-gradient(145deg, var(--c1), var(--c2));
}
.rsu-cover--0 { --c1: var(--p);  --c2: var(--a); }
.rsu-cover--1 { --c1: #f97316; --c2: #ec4899; }
.rsu-cover--2 { --c1: #10b981; --c2: #0ea5e9; }
.rsu-cover--3 { --c1: #1e293b; --c2: #64748b; }
.rsu-cover--4 { --c1: #8b5cf6; --c2: #d946ef; }
.rsu-cover--5 { --c1: #e11d48; --c2: #f59e0b; }

.rsu-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(255,255,255,.22) 1px, transparent 1px);
  background-size: 14px 14px;
  -webkit-mask-image: linear-gradient(to bottom, transparent 20%, #000);
  mask-image: linear-gradient(to bottom, transparent 20%, #000);
}
.rsu-cover.has-img::after {
  background: linear-gradient(to bottom, rgba(0,0,0,.4), transparent 40%);
  -webkit-mask-image: none;
  mask-image: none;
}
.rsu-cover img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.rsu-card:hover .rsu-cover img { transform: scale(1.05); }

.rsu-cover-top {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: space-between;
}
.rsu-badge {
  font-size: .72rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.22);
  border: 1px solid rgba(255,255,255,.35);
  backdrop-filter: blur(6px);
}
.rsu-abbr {
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .12em;
  opacity: .9;
}
.rsu-cover-title {
  position: relative;
  z-index: 1;
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.35;
  text-shadow: 0 2px 12px rgba(0,0,0,.2);
}

/* Card Body */
.rsu-card-body {
  padding: 16px 8px 6px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}
.rsu-field {
  font-size: .76rem;
  font-weight: 700;
  color: var(--p);
  letter-spacing: .03em;
  text-transform: uppercase;
}
.rsu-name {
  margin: 0;
  font-size: 1.1rem;
  line-height: 1.4;
  font-weight: 700;
  color: var(--text);
}
.rsu-desc {
  margin: 0;
  font-size: .88rem;
  color: var(--muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.5;
}
.rsu-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  font-size: .78rem;
  color: var(--muted);
  margin-top: 4px;
}
.rsu-card-foot {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding-top: 14px;
  border-top: 1px dashed var(--border);
}
.rsu-issue { font-size: .8rem; color: var(--muted); }
.rsu-issue b { color: var(--text); font-weight: 600; }
.rsu-arrow {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--surface-2);
  color: var(--text);
  transition: all .3s ease;
}
.rsu-card:hover .rsu-arrow {
  background: var(--p);
  color: #fff;
  transform: rotate(-45deg);
}

/* ---------- List View Style ---------- */
.rsu-grid.is-list {
  grid-template-columns: 1fr;
  gap: 16px;
}
.rsu-grid.is-list .rsu-card {
  flex-direction: row;
  gap: 20px;
  align-items: center;
}
.rsu-grid.is-list .rsu-cover {
  width: 140px;
  flex-shrink: 0;
  aspect-ratio: 3/4;
  padding: 12px;
}
.rsu-grid.is-list .rsu-cover-title { display: none; }
.rsu-grid.is-list .rsu-card-body { padding: 8px 12px 8px 0; flex: 1; }
.rsu-grid.is-list .rsu-desc { -webkit-line-clamp: 3; }

.rsu-empty {
  display: none;
  text-align: center;
  padding: 64px 20px;
  color: var(--muted);
  font-size: 1.05rem;
}
.rsu-empty.is-visible { display: block; }

/* Responsive */
@media (max-width: 768px) {
  .rsu-index { padding: 0 16px 64px; }
  .rsu-hero { padding: 48px 0 32px; }
  .rsu-stats { gap: 24px; }
  .rsu-search kbd { display: none; }
  .rsu-tools { margin-left: 0; width: 100%; justify-content: space-between; }
  .rsu-select { flex: 1; }
  .rsu-grid.is-list .rsu-card { flex-direction: column; align-items: stretch; }
  .rsu-grid.is-list .rsu-cover { width: 100%; aspect-ratio: 16 / 7; }
}


/* ==========================================================
 * OJS Header Override: ปรับแต่ง Header เดิมให้เป็น Modern Style
 * ========================================================== */

/* 1. ซ่อนแถบเมนูด้านบนสุดของ OJS (เช่น User Nav / Language Switcher ถ้าไม่ต้องการให้เกะกะ) หรือปรับให้กลืนกับธีม */
.pkp_structure_head .pkp_site_nav_menu {
  background: transparent !important;
  border-bottom: 1px solid var(--border);
}

/* 2. จัดระเบียบ Header หลักของ OJS ให้มีความโปร่งใสและดูโมเดิร์น */
header.header_site {
  background: rgba(248, 250, 252, 0.85) !important;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: none !important;
}

/* 3. ปรับโลโก้และชื่อเว็บใน Header ของ OJS ให้ดูสะอาดตา */
header.header_site .pkp_site_name img,
header.header_site .pkp_site_name .is_text {
  max-height: 44px;
  font-family: 'Noto Sans Thai', sans-serif;
  font-weight: 700;
  color: var(--text) !important;
}

/* 4. ปรับลิงก์เมนูนำทางใน Header เดิมให้ตัวหนังสือสวยงามขึ้น */
header.header_site .pkp_navigation_user_wrapper a,
header.header_site .pkp_navigation_primary_row a {
  color: var(--muted) !important;
  font-family: 'Noto Sans Thai', sans-serif;
  font-weight: 500;
  transition: color 0.2s;
}
header.header_site .pkp_navigation_user_wrapper a:hover,
header.header_site .pkp_navigation_primary_row a:hover {
  color: var(--text) !important;
}

/* 5. จัดการโครงสร้างหน้าหลักให้กว้างเต็มตาและซ่อน Sidebar ที่ไม่จำเป็นเฉพาะหน้ารายการวารสาร */
.pkp_structure_content:has(.rsu-index) {
  max-width: 1200px !important;
  margin: 0 auto !important;
  padding: 0 24px !important;
  display: block !important;
}
.pkp_structure_content:has(.rsu-index) .pkp_structure_sidebar {
  display: none !important;
}
.pkp_structure_main:has(.rsu-index) {
  width: 100% !important;
  max-width: 100% !important;
  float: none !important;
  padding: 0 !important;
  margin: 0 !important;
}
.pkp_structure_main:has(.rsu-index)::before,
.pkp_structure_main:has(.rsu-index)::after {
  display: none !important;
}



/* ---------- Page base (เฉพาะหน้ารายการวารสาร) ---------- */
body.rsu-body { margin: 0; background: #f8fafc; color: #0f172a; font-family: 'Noto Sans Thai', system-ui, sans-serif; }
.rsu-body .rsu-container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; box-sizing: border-box; }

/* ---------- Navbar ---------- */
.rsu-body .rsu-nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(248, 250, 252, .85);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  border-bottom: 1px solid #e2e8f0;
}
.rsu-body .rsu-nav-flex { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: 72px; }
.rsu-body .rsu-logo { display: flex; align-items: center; gap: 12px; min-width: 0; color: #0f172a; text-decoration: none; font-weight: 700; font-size: 1.05rem; }
.rsu-body .rsu-logo img { height: 40px; width: auto; display: block; }
.rsu-body .rsu-logo-text { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rsu-body .rsu-logo-mark {
  flex-shrink: 0; width: 40px; height: 40px; border-radius: 10px;
  display: grid; place-items: center; color: #fff; font-size: .78rem; font-weight: 800;
  background: linear-gradient(135deg, var(--rsu-primary, #4f46e5), var(--rsu-accent, #06b6d4));
}
.rsu-body .rsu-nav-links { display: flex; gap: 28px; }
.rsu-body .rsu-nav-links a,
.rsu-body .rsu-nav-link { color: #64748b; text-decoration: none; font-size: .95rem; transition: color .2s; }
.rsu-body .rsu-nav-links a:hover,
.rsu-body .rsu-nav-links a.is-active,
.rsu-body .rsu-nav-link:hover { color: #0f172a; }
.rsu-body .rsu-nav-links a.is-active { font-weight: 600; }
.rsu-body .rsu-nav-actions { display: flex; align-items: center; gap: 16px; flex-shrink: 0; }
.rsu-body .rsu-btn-dark {
  padding: 10px 20px; border-radius: 12px; background: #0f172a; color: #fff;
  font-size: .9rem; font-weight: 600; text-decoration: none; transition: opacity .2s;
}
.rsu-body .rsu-btn-dark:hover { opacity: .88; color: #fff; }

/* ---------- Footer ---------- */
.rsu-body .rsu-footer { border-top: 1px solid #e2e8f0; background: #fff; padding: 32px 0; text-align: center; color: #64748b; font-size: .9rem; }

@media (max-width: 768px) {
  .rsu-body .rsu-nav-links { display: none; }
  .rsu-body .rsu-nav-link { display: none; }
}


/* ---------- User menu (dropdown) ---------- */
.rsu-body .rsu-nav .rsu-user-menu {
  display: flex !important; align-items: center; gap: 12px;
  margin: 0 !important; padding: 0 !important; list-style: none !important;
}
.rsu-body .rsu-nav .rsu-user-menu > li {
  position: relative !important; display: block !important; margin: 0 !important; padding: 0 !important;
}
.rsu-body .rsu-nav .rsu-user-menu > li > a {
  display: inline-flex !important; align-items: center; gap: 8px;
  padding: 8px 14px !important; border-radius: 12px; border: 0 !important;
  background: none !important; color: #334155 !important;
  font-size: .92rem; font-weight: 600; text-decoration: none !important; white-space: nowrap;
  transition: background .2s, color .2s;
}
.rsu-body .rsu-nav .rsu-user-menu > li > a:hover { color: #0f172a !important; }

/* ปุ่ม Login (รายการสุดท้ายตอนยังไม่ล็อกอิน) */
.rsu-body .rsu-nav .rsu-user-menu > li:last-child:not(:has(> ul)) > a {
  background: #0f172a !important; color: #fff !important;
}
.rsu-body .rsu-nav .rsu-user-menu > li:last-child:not(:has(> ul)) > a:hover { opacity: .88; }

/* ปุ่มชื่อผู้ใช้ (ตอนล็อกอินแล้ว) */
.rsu-body .rsu-nav .rsu-user-menu > li:has(> ul) > a {
  border: 1px solid #e2e8f0 !important;
  background: #fff !important;
  display: inline-flex !important;
  align-items: center;
  gap: 8px;
  padding: 8px 14px !important;
  border-radius: 12px;
  color: #334155 !important;
  font-size: .92rem;
  font-weight: 600;
  text-decoration: none !important;
}

/* ยกเลิก ::after ทั้งหมด ป้องกัน OJS ดึงกลับมาซ้อน */
.rsu-body .rsu-nav .rsu-user-menu > li > a::after,
.rsu-body .rsu-nav .rsu-user-menu > li > a::before {
  display: none !important;
  content: none !important;
}

/* อวตารวงกลมหน้าชื่อ */
.rsu-body .rsu-nav .rsu-user-menu .rsu-user-avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--rsu-primary, #4f46e5), var(--rsu-accent, #06b6d4));
}

/* ลูกศรเดี่ยวที่สร้างผ่าน JS ควบคุมด้วย CSS ล้วน ๆ ไม่มีชนกับ OJS */
.rsu-body .rsu-nav .rsu-user-menu .rsu-user-arrow {
  display: inline-block !important;
  width: 6px !important;
  height: 6px !important;
  margin-left: 2px !important;
  border-right: 2px solid currentColor !important;
  border-bottom: 2px solid currentColor !important;
  transform: translateY(-2px) rotate(45deg) !important;
  transition: transform .2s ease !important;
}

.rsu-body .rsu-nav .rsu-user-menu > li:hover .rsu-user-arrow,
.rsu-body .rsu-nav .rsu-user-menu > li.is-open .rsu-user-arrow {
  transform: translateY(1px) rotate(-135deg) !important;
}


/* ตัวเลขงานค้าง (ถ้ามี) */
.rsu-body .rsu-nav .rsu-user-menu .task_count {
  background: var(--rsu-primary, #4f46e5); color: #fff; border-radius: 999px;
  font-size: .7rem; line-height: 1; padding: 3px 7px; margin-left: 8px;
}

/* กล่อง dropdown */
.rsu-body .rsu-nav .rsu-user-menu > li > ul {
  position: absolute !important; top: calc(100% + 10px) !important; right: 0 !important; left: auto !important;
  width: auto !important; min-width: 220px; margin: 0 !important; padding: 6px !important;
  list-style: none !important; background: #fff !important;
  border: 1px solid #e2e8f0 !important; border-radius: 14px !important;
  box-shadow: 0 20px 40px rgba(15, 23, 42, .12) !important;
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity .2s, transform .2s, visibility .2s; z-index: 200;
}

/* สะพานกันเมนูหายตอนเลื่อนเมาส์ผ่านช่องว่าง */
.rsu-body .rsu-nav .rsu-user-menu > li > ul::before {
  content: ""; position: absolute; left: 0; right: 0; top: -12px; height: 12px;
}
.rsu-body .rsu-nav .rsu-user-menu > li:hover > ul,
.rsu-body .rsu-nav .rsu-user-menu > li:focus-within > ul,
.rsu-body .rsu-nav .rsu-user-menu > li.is-open > ul {
  opacity: 1; visibility: visible; transform: none;
}
.rsu-body .rsu-nav .rsu-user-menu > li > ul > li {
  display: block !important; width: 100%; margin: 0 !important; padding: 0 !important;
}
.rsu-body .rsu-nav .rsu-user-menu > li > ul a {
  display: flex !important; align-items: center; padding: 10px 12px !important;
  border: 0 !important; border-radius: 8px; background: none !important;
  color: #334155 !important; font-size: .9rem; font-weight: 500;
  text-decoration: none !important; white-space: nowrap;
}
.rsu-body .rsu-nav .rsu-user-menu > li > ul a:hover,
.rsu-body .rsu-nav .rsu-user-menu > li > ul a:focus {
  background: #f1f5f9 !important; color: var(--rsu-primary, #4f46e5) !important;
}

/* Logout แยกด้วยเส้นคั่น และใช้สีแดง */
.rsu-body .rsu-nav .rsu-user-menu > li > ul > li:last-child {
  margin-top: 4px !important; padding-top: 4px !important; border-top: 1px solid #e2e8f0;
}
.rsu-body .rsu-nav .rsu-user-menu > li > ul > li:last-child a { color: #dc2626 !important; }
.rsu-body .rsu-nav .rsu-user-menu > li > ul > li:last-child a:hover { background: #fef2f2 !important; color: #dc2626 !important; }

@media (max-width: 768px) {
  .rsu-body .rsu-nav .rsu-user-menu > li:not(:last-child):not(:has(> ul)) { display: none !important; }
}

/* ---------- Language Switcher Styles ---------- */
.rsu-body .rsu-nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.rsu-body .rsu-lang-toggle {
  position: relative;
}

.rsu-body .rsu-lang-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 12px;
  border: 1px solid #e2e8f0;
  background: #fff;
  color: #334155;
  font-family: inherit;
  font-size: .88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s;
}

.rsu-body .rsu-lang-btn:hover {
  border-color: #cbd5e1;
  color: #0f172a;
}

.rsu-body .rsu-lang-toggle.is-open .rsu-lang-btn {
  border-color: var(--rsu-primary, #4f46e5);
  color: var(--rsu-primary, #4f46e5);
}

.rsu-body .rsu-lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 150px;
  margin: 0;
  padding: 6px;
  list-style: none;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  box-shadow: 0 20px 40px rgba(15, 23, 42, .12);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity .2s, transform .2s, visibility .2s;
  z-index: 200;
}

.rsu-body .rsu-lang-toggle.is-open .rsu-lang-dropdown {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.rsu-body .rsu-lang-dropdown li {
  margin: 0;
  padding: 0;
}

.rsu-body .rsu-lang-dropdown a {
  display: block;
  padding: 8px 12px;
  border-radius: 8px;
  color: #334155;
  font-size: .88rem;
  font-weight: 500;
  text-decoration: none;
  transition: background .2s, color .2s;
}

.rsu-body .rsu-lang-dropdown a:hover {
  background: #f1f5f9;
  color: var(--rsu-primary, #4f46e5);
}

.rsu-body .rsu-lang-dropdown li.current a {
  font-weight: 700;
  color: var(--rsu-primary, #4f46e5);
  background: color-mix(in srgb, var(--rsu-primary, #4f46e5) 8%, transparent);
}