*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy: #0d2340;
  --navy-mid: #1a3a5c;
  --accent: #c8892a;
  --accent-light: #f5e6cc;
  --cream: #faf8f5;
  --text: #1c1c1c;
  --muted: #6b6b6b;
  --border: #e0d9d0;
  --white: #ffffff;
}

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--cream);
  color: var(--text);
  font-size: 15px;
  line-height: 1.6;
}

/* ─── TOPBAR ─── */
.topbar {
  background: var(--navy);
  color: rgba(255,255,255,0.7);
  font-size: 12px;
  padding: 8px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.topbar a { color: rgba(255,255,255,0.7); text-decoration: none; }
.topbar span { margin-left: 20px; }
.issn-badge {
  background: var(--accent);
  color: white;
  padding: 3px 10px;
  border-radius: 3px;
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.5px;
}

/* ─── HEADER ─── */
header {
  background: var(--navy);
  padding: 32px 40px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 3px solid var(--accent);
}
.logo-area {
  display: flex;
  align-items: center;
  gap: 20px;
}
.logo-icon {
  width: 60px;
  height: 60px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.logo-icon svg { width: 34px; height: 34px; fill: white; }
.logo-text h1 {
  font-family: 'Playfair Display', serif;
  color: white;
  font-size: 30px;
  font-weight: 700;
  letter-spacing: 1px;
}
.logo-text p {
  color: rgba(255,255,255,0.55);
  font-size: 11.5px;
  margin-top: 2px;
  letter-spacing: 0.3px;
}
.lang-switch { display: flex; gap: 8px; }
.lang-btn {
  border: 1px solid rgba(255,255,255,0.25);
  background: transparent;
  color: rgba(255,255,255,0.7);
  padding: 5px 12px;
  border-radius: 3px;
  cursor: pointer;
  font-size: 12px;
  font-family: 'DM Sans', sans-serif;
  transition: all 0.2s;
}
.lang-btn:hover, .lang-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

/* ─── NAV ─── */
nav {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 0 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.nav-links { display: flex; list-style: none; }
.nav-links li a {
  display: block;
  padding: 16px 18px;
  text-decoration: none;
  color: var(--navy);
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: 0.2px;
  border-bottom: 3px solid transparent;
  transition: all 0.2s;
}
.nav-links li a:hover, .nav-links li a.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.nav-search { display: flex; align-items: center; gap: 8px; }
.nav-search input {
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 7px 14px;
  font-size: 13px;
  font-family: 'DM Sans', sans-serif;
  outline: none;
  width: 200px;
  background: var(--cream);
}
.nav-search button {
  background: var(--navy);
  color: white;
  border: none;
  padding: 7px 16px;
  border-radius: 4px;
  font-size: 13px;
  cursor: pointer;
  font-family: 'DM Sans', sans-serif;
}

/* ─── HERO ─── */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
  padding: 60px 40px;
  display: flex;
  align-items: center;
  gap: 60px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  right: -60px; top: -60px;
  width: 360px; height: 360px;
  border-radius: 50%;
  border: 60px solid rgba(200,137,42,0.12);
}
.hero::after {
  content: '';
  position: absolute;
  right: 80px; bottom: -80px;
  width: 200px; height: 200px;
  border-radius: 50%;
  border: 40px solid rgba(200,137,42,0.08);
}
.hero-text { flex: 1; position: relative; z-index: 2; }
.hero-tag {
  display: inline-block;
  background: var(--accent);
  color: white;
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 2px;
  margin-bottom: 18px;
  font-weight: 500;
}
.hero-text h2 {
  font-family: 'Playfair Display', serif;
  color: white;
  font-size: 38px;
  line-height: 1.22;
  margin-bottom: 16px;
  font-weight: 700;
}
.hero-text p {
  color: rgba(255,255,255,0.65);
  font-size: 15px;
  max-width: 480px;
  line-height: 1.7;
  margin-bottom: 28px;
}
.hero-actions { display: flex; gap: 12px; }
.btn-primary {
  background: var(--accent);
  color: white;
  border: none;
  padding: 12px 28px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  font-family: 'DM Sans', sans-serif;
  transition: opacity 0.2s;
}
.btn-primary:hover { opacity: 0.88; }
.btn-outline {
  background: transparent;
  color: rgba(255,255,255,0.85);
  border: 1px solid rgba(255,255,255,0.35);
  padding: 12px 28px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  font-family: 'DM Sans', sans-serif;
  transition: all 0.2s;
}
.btn-outline:hover { background: rgba(255,255,255,0.1); }
.hero-cover { flex-shrink: 0; position: relative; z-index: 2; }
.cover-img {
  width: 180px; height: 240px;
  background: var(--white);
  border-radius: 4px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.35);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.cover-top {
  background: var(--navy-mid);
  padding: 16px;
  text-align: center;
  border-bottom: 3px solid var(--accent);
}
.cover-top .cover-title {
  font-family: 'Playfair Display', serif;
  color: white;
  font-size: 17px;
  font-weight: 700;
}
.cover-top .cover-sub {
  color: rgba(255,255,255,0.55);
  font-size: 9px;
  margin-top: 2px;
  letter-spacing: 0.5px;
}
.cover-body {
  flex: 1;
  background: var(--cream);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.cover-line { height: 7px; border-radius: 2px; background: var(--border); }
.cover-line.dark  { background: #c5bfb5; width: 70%; }
.cover-line.mid   { background: #ddd9d1; width: 90%; }
.cover-line.short { background: #e8e4de; width: 55%; }
.cover-badge {
  margin-top: auto;
  background: var(--accent-light);
  border: 1px solid var(--accent);
  border-radius: 2px;
  padding: 4px 8px;
  text-align: center;
  font-size: 9px;
  color: #7a5315;
  font-weight: 500;
}

/* ─── STATS BAR ─── */
.stats-bar {
  background: var(--white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 20px 40px;
  display: flex;
}
.stat-item {
  flex: 1;
  text-align: center;
  border-right: 1px solid var(--border);
  padding: 0 20px;
}
.stat-item:last-child { border-right: none; }
.stat-num {
  font-family: 'Playfair Display', serif;
  font-size: 28px;
  color: var(--navy);
  font-weight: 700;
  display: block;
}
.stat-label {
  font-size: 11.5px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

/* ─── MAIN LAYOUT ─── */
.main-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
}
.main-content { padding: 48px 40px; }
.sidebar {
  background: var(--white);
  border-left: 1px solid var(--border);
  padding: 40px 28px;
}

/* ─── SECTION HEADER ─── */
.section-header {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 28px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--navy);
}
.section-header h3 {
  font-family: 'Playfair Display', serif;
  font-size: 22px;
  color: var(--navy);
  font-weight: 700;
}
.section-header span {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ─── ARTICLE CARDS ─── */
.articles-grid { display: flex; flex-direction: column; }
.article-card {
  display: flex;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s;
}
.article-card:last-child { border-bottom: none; }
.article-num {
  flex-shrink: 0;
  width: 36px; height: 36px;
  background: var(--navy);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 500;
  margin-top: 2px;
}
.article-body { flex: 1; }
.article-cats { display: flex; gap: 8px; margin-bottom: 8px; flex-wrap: wrap; }
.article-cat {
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-light);
  padding: 3px 8px;
  border-radius: 2px;
}
.article-cat.surgery  { background: #e8f0fa; color: #1a4a8a; }
.article-cat.gastro   { background: #e8f7ee; color: #1a6e3a; }
.article-cat.oncology { background: #fdf0e8; color: #8a3a1a; }
.article-title {
  font-family: 'Playfair Display', serif;
  font-size: 17px;
  color: var(--navy);
  font-weight: 600;
  line-height: 1.35;
  margin-bottom: 8px;
  cursor: pointer;
  transition: color 0.2s;
}
.article-title:hover { color: var(--accent); }
.article-authors { font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.article-authors strong { color: var(--text); font-weight: 500; }
.article-abstract { font-size: 13.5px; color: #555; line-height: 1.65; margin-bottom: 10px; }
.article-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.article-meta { font-size: 12px; color: var(--muted); }
.article-links { display: flex; gap: 10px; }
.link-btn {
  font-size: 12px;
  padding: 5px 12px;
  border-radius: 3px;
  cursor: pointer;
  font-family: 'DM Sans', sans-serif;
  font-weight: 500;
  transition: all 0.2s;
  text-decoration: none;
  border: 1px solid;
  display: inline-block;
}
.link-abstract { color: var(--navy); border-color: var(--navy); background: transparent; }
.link-abstract:hover { background: var(--navy); color: white; }
.link-pdf { color: var(--accent); border-color: var(--accent); background: transparent; }
.link-pdf:hover { background: var(--accent); color: white; }

/* ─── SIDEBAR ─── */
.sidebar-widget { margin-bottom: 36px; }
.sidebar-widget h4 {
  font-family: 'Playfair Display', serif;
  font-size: 16px;
  color: var(--navy);
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--navy);
}
.info-list { list-style: none; }
.info-list li {
  padding: 9px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  color: var(--text);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.info-list li:last-child { border-bottom: none; }
.info-icon { color: var(--accent); font-size: 14px; margin-top: 1px; flex-shrink: 0; }
.info-label {
  font-size: 11px;
  color: var(--muted);
  display: block;
  margin-bottom: 1px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.submit-box {
  background: var(--navy);
  border-radius: 6px;
  padding: 20px;
  text-align: center;
  color: white;
}
.submit-box p {
  font-size: 13px;
  color: rgba(255,255,255,0.65);
  margin-bottom: 14px;
  line-height: 1.6;
}
.submit-box h4 {
  color: white;
  font-family: 'Playfair Display', serif;
  font-size: 15px;
  margin-bottom: 8px;
  border: none;
  padding: 0;
}
.submit-box button {
  background: var(--accent);
  color: white;
  border: none;
  padding: 10px 22px;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  font-family: 'DM Sans', sans-serif;
  width: 100%;
  transition: opacity 0.2s;
}
.submit-box button:hover { opacity: 0.88; }
.archive-list { list-style: none; }
.archive-list li {
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  color: var(--navy-mid);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: color 0.2s;
}
.archive-list li:hover { color: var(--accent); }
.archive-list li:last-child { border-bottom: none; }
.archive-count {
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1px 8px;
  font-size: 11px;
  color: var(--muted);
}

/* ─── FOOTER ─── */
footer {
  background: var(--navy);
  color: rgba(255,255,255,0.6);
  padding: 44px 40px 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 32px;
}
.footer-brand h4 {
  font-family: 'Playfair Display', serif;
  color: white;
  font-size: 20px;
  margin-bottom: 10px;
}
.footer-brand p { font-size: 13px; line-height: 1.7; }
.footer-col h5 {
  color: white;
  font-size: 13px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; }
.footer-col ul li { padding: 5px 0; font-size: 13px; cursor: pointer; }
.footer-col ul li:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  font-size: 12px;
}
.footer-contact { font-size: 13px; line-height: 1.8; }
.footer-contact a { color: var(--accent); text-decoration: none; }
.footer-issn { font-size: 12px; color: rgba(255,255,255,0.35); }
    .page-hero {
      background: var(--navy);
      padding: 48px 40px;
      border-bottom: 3px solid var(--accent);
    }
    .page-hero-inner {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 24px;
    }
    .page-hero h2 {
      font-family: 'Playfair Display', serif;
      color: white;
      font-size: 34px;
      font-weight: 700;
      margin-bottom: 8px;
    }
    .page-hero p {
      color: rgba(255,255,255,0.55);
      font-size: 14px;
    }
    .breadcrumb {
      font-size: 12.5px;
      color: rgba(255,255,255,0.4);
      margin-bottom: 14px;
      display: flex;
      gap: 6px;
      align-items: center;
    }
    .breadcrumb a { color: rgba(255,255,255,0.5); text-decoration: none; }
    .breadcrumb a:hover { color: var(--accent); }
    .breadcrumb span { color: rgba(255,255,255,0.25); }

    /* FILTER BAR */
    .filter-bar {
      background: var(--white);
      border-bottom: 1px solid var(--border);
      padding: 16px 40px;
      display: flex;
      align-items: center;
      gap: 16px;
      flex-wrap: wrap;
    }
    .filter-label {
      font-size: 12px;
      color: var(--muted);
      text-transform: uppercase;
      letter-spacing: 0.8px;
      font-weight: 500;
      flex-shrink: 0;
    }
    .filter-group { display: flex; gap: 8px; flex-wrap: wrap; }
    .filter-chip {
      padding: 6px 14px;
      border-radius: 20px;
      border: 1px solid var(--border);
      background: var(--cream);
      font-size: 13px;
      color: var(--text);
      cursor: pointer;
      font-family: 'DM Sans', sans-serif;
      transition: all 0.2s;
    }
    .filter-chip:hover { border-color: var(--navy); color: var(--navy); }
    .filter-chip.active {
      background: var(--navy);
      color: white;
      border-color: var(--navy);
    }
    .filter-divider {
      width: 1px;
      height: 24px;
      background: var(--border);
      flex-shrink: 0;
    }

    /* ARXİV LAYOUT */
    .archive-layout {
      display: grid;
      grid-template-columns: 220px 1fr;
      min-height: 60vh;
    }

    /* IL SİDEBARI */
    .year-sidebar {
      background: var(--white);
      border-right: 1px solid var(--border);
      padding: 32px 0;
      position: sticky;
      top: 57px;
      align-self: start;
      height: calc(100vh - 57px);
      overflow-y: auto;
    }
    .year-sidebar h4 {
      font-size: 11px;
      text-transform: uppercase;
      letter-spacing: 1.2px;
      color: var(--muted);
      font-weight: 500;
      padding: 0 24px 12px;
      border-bottom: 1px solid var(--border);
      margin-bottom: 8px;
    }
    .year-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 10px 24px;
      cursor: pointer;
      transition: all 0.15s;
      border-left: 3px solid transparent;
    }
    .year-item:hover { background: var(--cream); }
    .year-item.active {
      border-left-color: var(--accent);
      background: var(--accent-light);
    }
    .year-item.active .year-num { color: var(--accent); font-weight: 600; }
    .year-num { font-size: 15px; color: var(--navy); font-weight: 500; }
    .year-count {
      font-size: 11px;
      background: var(--cream);
      border: 1px solid var(--border);
      border-radius: 10px;
      padding: 2px 8px;
      color: var(--muted);
    }
    .year-item.active .year-count {
      background: var(--accent);
      border-color: var(--accent);
      color: white;
    }

    /* BURAXILIŞLAR ─ SAĞ PANEL */
    .issues-panel { padding: 40px; }

    .year-section { margin-bottom: 56px; }
    .year-section-header {
      display: flex;
      align-items: center;
      gap: 20px;
      margin-bottom: 28px;
      padding-bottom: 14px;
      border-bottom: 2px solid var(--navy);
    }
    .year-section-header h3 {
      font-family: 'Playfair Display', serif;
      font-size: 26px;
      color: var(--navy);
      font-weight: 700;
    }
    .year-section-header .year-desc {
      font-size: 13px;
      color: var(--muted);
    }

    /* BURAXILIŞ KARTları */
    .issues-row {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
      gap: 20px;
    }
    .issue-card {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: 6px;
      overflow: hidden;
      transition: all 0.2s;
      cursor: pointer;
    }
    .issue-card:hover {
      border-color: var(--accent);
      box-shadow: 0 6px 24px rgba(13,35,64,0.10);
      transform: translateY(-2px);
    }
    .issue-cover {
      background: linear-gradient(160deg, var(--navy) 0%, var(--navy-mid) 100%);
      padding: 20px 16px;
      text-align: center;
      border-bottom: 3px solid var(--accent);
      position: relative;
    }
    .issue-cover-num {
      font-family: 'Playfair Display', serif;
      color: white;
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 0.5px;
      margin-bottom: 8px;
    }
    .issue-cover-title {
      font-family: 'Playfair Display', serif;
      color: rgba(255,255,255,0.9);
      font-size: 20px;
      font-weight: 700;
      line-height: 1.2;
    }
    .issue-cover-badge {
      display: inline-block;
      margin-top: 10px;
      background: var(--accent);
      color: white;
      font-size: 9px;
      padding: 2px 8px;
      border-radius: 2px;
      letter-spacing: 0.8px;
    }
    .issue-body { padding: 14px 16px; }
    .issue-date {
      font-size: 11.5px;
      color: var(--muted);
      text-transform: uppercase;
      letter-spacing: 0.6px;
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .issue-date::before {
      content: '';
      display: inline-block;
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--accent);
      flex-shrink: 0;
    }
    .issue-articles-count {
      font-size: 13px;
      color: var(--navy);
      font-weight: 500;
      margin-bottom: 12px;
    }
    .issue-topics {
      display: flex;
      flex-wrap: wrap;
      gap: 4px;
      margin-bottom: 14px;
    }
    .issue-topic {
      font-size: 10px;
      padding: 2px 7px;
      border-radius: 2px;
      background: var(--cream);
      border: 1px solid var(--border);
      color: var(--muted);
    }
    .issue-actions {
      display: flex;
      gap: 8px;
      border-top: 1px solid var(--border);
      padding-top: 12px;
    }
    .issue-btn {
      flex: 1;
      text-align: center;
      padding: 6px 0;
      border-radius: 3px;
      font-size: 11.5px;
      font-weight: 500;
      cursor: pointer;
      font-family: 'DM Sans', sans-serif;
      text-decoration: none;
      border: 1px solid;
      transition: all 0.2s;
    }
    .issue-btn-view { color: var(--navy); border-color: var(--navy); background: transparent; }
    .issue-btn-view:hover { background: var(--navy); color: white; }
    .issue-btn-pdf { color: var(--accent); border-color: var(--accent); background: transparent; }
    .issue-btn-pdf:hover { background: var(--accent); color: white; }

    /* LATEST BADGE */
    .latest-badge {
      background: var(--accent);
      color: white;
      font-size: 10px;
      font-weight: 600;
      padding: 3px 9px;
      border-radius: 2px;
      letter-spacing: 0.5px;
      text-transform: uppercase;
    }

    /* EMPTY STATE */
    .no-results {
      text-align: center;
      padding: 80px 40px;
      color: var(--muted);
    }
    .no-results h4 {
      font-family: 'Playfair Display', serif;
      font-size: 20px;
      color: var(--navy);
      margin-bottom: 8px;
    }

    /* TOTAL STATS */
    .archive-totals {
      background: var(--white);
      border-bottom: 1px solid var(--border);
      padding: 16px 40px;
      display: flex;
      gap: 32px;
    }
    .total-item { font-size: 13px; color: var(--muted); }
    .total-item strong { color: var(--navy); font-weight: 600; }
    .breadcrumb {
      font-size: 12.5px;
      color: rgba(255,255,255,0.4);
      margin-bottom: 14px;
      display: flex;
      gap: 6px;
      align-items: center;
      flex-wrap: wrap;
    }
    .breadcrumb a { color: rgba(255,255,255,0.5); text-decoration: none; transition: color 0.2s; }
    .breadcrumb span { color: rgba(255,255,255,0.2); }
    .hero-inner { display: flex; align-items: flex-start; gap: 40px; }
    .hero-cover-mini {
      flex-shrink: 0;
      width: 130px; height: 175px;
      background: white;
      border-radius: 3px;
      box-shadow: 0 12px 40px rgba(0,0,0,0.3);
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }
    .hcm-top {
      background: var(--navy-mid);
      padding: 12px 10px;
      text-align: center;
      border-bottom: 2px solid var(--accent);
      flex-shrink: 0;
    }
    .hcm-top .t1 { font-family: 'Playfair Display',serif; color: white; font-size: 13px; font-weight: 700; }
    .hcm-top .t2 { color: rgba(255,255,255,0.5); font-size: 8px; margin-top: 2px; }
    .hcm-body { flex:1; background: var(--cream); padding: 10px; display:flex; flex-direction:column; gap:5px; }
    .hcm-line { height:6px; border-radius:2px; background: var(--border); }
    .hcm-badge { margin-top:auto; background:var(--accent); color:white; font-size:8px; text-align:center; padding:3px 6px; border-radius:2px; }
    .hero-meta { flex: 1; }
    .issue-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--accent);
      color: white;
      font-size: 11px;
      letter-spacing: 1.2px;
      text-transform: uppercase;
      padding: 5px 12px;
      border-radius: 2px;
      margin-bottom: 16px;
      font-weight: 500;
    }
    .hero-meta h2 {
      font-family: 'Playfair Display', serif;
      color: white;
      font-size: 30px;
      font-weight: 700;
      line-height: 1.25;
      margin-bottom: 10px;
    }
    .hero-meta p { color: rgba(255,255,255,0.55); font-size: 13.5px; margin-bottom: 20px; }
    .hero-stats { display: flex; gap: 28px; flex-wrap: wrap; }
    .hero-stat { text-align: left; }
    .hero-stat-num { font-family: 'Playfair Display', serif; font-size: 22px; color: white; font-weight: 700; }
    .hero-stat-label { font-size: 11px; color: rgba(255,255,255,0.4); text-transform: uppercase; letter-spacing: 0.8px; }
    .hero-actions { display: flex; gap: 10px; margin-top: 20px; }

    .issue-bar {
      background: var(--white);
      border-bottom: 1px solid var(--border);
      padding: 14px 40px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
      position: sticky;
      top: 57px;
      z-index: 90;
    }
    .issue-bar-left { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
    .filter-label { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.8px; font-weight: 500; }
    .filter-chip {
      padding: 5px 14px;
      border-radius: 20px;
      border: 1px solid var(--border);
      background: var(--cream);
      font-size: 12.5px;
      color: var(--text);
      cursor: pointer;
      font-family: 'DM Sans', sans-serif;
      transition: all 0.2s;
    }
    .article-count { font-size: 13px; color: var(--muted); }
    .article-count strong { color: var(--navy); }
    .issue-search { display: flex; gap: 8px; }
    .issue-search input {
      border: 1px solid var(--border);
      border-radius: 4px;
      padding: 6px 14px;
      font-size: 13px;
      font-family: 'DM Sans', sans-serif;
      outline: none;
      width: 220px;
      background: var(--cream);
    }
    .issue-search button {
      background: var(--navy);
      color: white;
      border: none;
      padding: 6px 14px;
      border-radius: 4px;
      font-size: 12px;
      cursor: pointer;
      font-family: 'DM Sans', sans-serif;
    }

    .articles-wrapper { max-width: 920px; margin: 0 auto; padding: 40px 40px 60px; }

    .section-divider {
      display: flex;
      align-items: center;
      gap: 12px;
      margin: 36px 0 20px;
    }
    .section-divider:first-of-type { margin-top: 0; }
    .section-divider h4 {
      font-size: 11px;
      font-weight: 600;
      letter-spacing: 1.5px;
      text-transform: uppercase;
      color: var(--muted);
      white-space: nowrap;
    }
    .section-divider::after {
      content: '';
      flex: 1;
      height: 1px;
      background: var(--border);
    }

    .article-row {
      display: flex;
      gap: 20px;
      padding: 22px 24px;
      border: 1px solid var(--border);
      border-radius: 6px;
      margin-bottom: 12px;
      background: var(--white);
      transition: all 0.2s;
      cursor: default;
      position: relative;
    }
    .article-row:hover {
      border-color: var(--accent);
      box-shadow: 0 4px 20px rgba(13,35,64,0.08);
      transform: translateY(-1px);
    }
    .article-row.hidden { display: none; }

    .article-index {
      flex-shrink: 0;
      width: 32px; height: 32px;
      border-radius: 50%;
      background: var(--navy);
      color: white;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 12px;
      font-weight: 600;
      margin-top: 2px;
    }
    .article-index.special { background: var(--accent); }
    .article-index.jubilee { background: #8a6010; }
    .article-index.nekro { background: #444; }

    .article-info { flex: 1; min-width: 0; }
    .article-cats { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 8px; }
    .article-cat {
      font-size: 10px;
      font-weight: 600;
      letter-spacing: 0.8px;
      text-transform: uppercase;
      padding: 2px 8px;
      border-radius: 2px;
    }
    .cat-uro   { background: #e8f0fa; color: #1a4a8a; }
    .cat-onco  { background: #fdf0e8; color: #8a3a1a; }
    .cat-gi    { background: #e8f7ee; color: #1a6e3a; }
    .cat-vasc  { background: #f5eafa; color: #6a1a8a; }
    .cat-neon  { background: #faf0e0; color: #8a6010; }
    .cat-ru    { background: #f5e8e8; color: #7a1a1a; }
    .cat-en    { background: #e8eeee; color: #1a4a4a; }
    .cat-review{ background: #f0f0f0; color: #555; }
    .cat-anniv { background: #faf5e0; color: #7a6010; }
    .cat-nekro { background: #f0f0f0; color: #333; }
    .cat-prac  { background: #e8f5fa; color: #0a5a7a; }

    .article-title-text {
      font-family: 'Playfair Display', serif;
      font-size: 16.5px;
      color: var(--navy);
      font-weight: 600;
      line-height: 1.38;
      margin-bottom: 7px;
      transition: color 0.2s;
    }
    .article-row:hover .article-title-text { color: var(--accent); }
    .article-authors-text {
      font-size: 13px;
      color: var(--muted);
      margin-bottom: 6px;
      line-height: 1.5;
    }
    .article-authors-text strong { color: var(--text); font-weight: 500; }
    .article-institution { font-size: 11.5px; color: var(--muted); font-style: italic; margin-bottom: 10px; }
    .article-footer-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      flex-wrap: wrap;
    }
    .doi-badge {
      font-size: 11.5px;
      color: var(--muted);
      font-family: 'DM Sans', monospace;
      background: var(--cream);
      border: 1px solid var(--border);
      border-radius: 3px;
      padding: 3px 8px;
      transition: all 0.2s;
      display: inline-flex;
      align-items: center;
      gap: 5px;
      text-decoration: none;
      user-select: none;
    }
    .doi-badge::after { content: "↗"; font-size: 10px; opacity: 0.5; }
    .doi-badge:hover { background: var(--navy); color: white; border-color: var(--navy); }
    .doi-badge:hover::after { opacity: 1; }
    .doi-badge .doi-label { color: var(--accent); font-weight: 600; font-size: 10px; }
    .doi-badge:hover .doi-label { color: rgba(255,255,255,0.7); }

    .article-btns { display: flex; gap: 8px; }
    .link-btn {
      font-size: 11.5px;
      padding: 5px 12px;
      border-radius: 3px;
      cursor: pointer;
      font-family: 'DM Sans', sans-serif;
      font-weight: 500;
      transition: all 0.2s;
      text-decoration: none;
      border: 1px solid;
      display: inline-block;
    }

    .no-results {
      text-align: center;
      padding: 60px 20px;
      color: var(--muted);
      display: none;
    }
    .no-results h4 { font-family: 'Playfair Display',serif; font-size: 18px; color: var(--navy); margin-bottom: 6px; }

/* İstəyə əsasən PDF və Annotasiya düymələrini gizlədirik */
.article-btns,
.link-abstract,
.link-pdf,
.issue-btn-pdf,
.hero-actions .btn-primary {
    display: none !important;
}