:root {
      --teal: #2a5f6e;
      --teal-dark: #1e4a57;
      --orange: #e07b1a;
      --gold: #f5a623;
      --green: #3a7d44;
      --light-bg: #f5f5f2;
      --sidebar-bullet: #3a7d99;
    }

    body {
      font-family: 'Source Serif 4', serif;
      background: #e8e8e4;
      color: #222;
    }

    /* ── Top Bar ── */
    .top-bar {
      background: #d9d9d5;
      padding: 10px 0;
      border-bottom: 2px solid #ccc;
    }

    .brand-name {
      font-family: 'Playfair Display', serif;
      font-size: 1.9rem;
      letter-spacing: 6px;
      color: #1a1a1a;
    }

    .brand-sub {
      font-size: 0.7rem;
      text-align: right;
      color: #555;
      letter-spacing: 2px;
      text-transform: uppercase;
    }

    .issn-badge {
      color: var(--orange);
      font-weight: 700;
      font-size: 1.1rem;
      letter-spacing: 1px;
    }

    /* ── Navbar ── */
    .main-nav {
      background: var(--teal);
    }

    .main-nav .nav-link {
      color: #fff !important;
      font-family: 'Source Serif 4', serif;
      font-size: 0.9rem;
      padding: 14px 20px;
      transition: background 0.2s;
    }

    .main-nav .nav-link:hover,
    .main-nav .nav-link.active {
      background: var(--teal-dark);
    }

    .home-btn {
      background: var(--gold);
      clip-path: polygon(0 0, 88% 0, 100% 50%, 88% 100%, 0 100%);
      padding: 14px 28px 14px 18px;
      display: flex;
      align-items: center;
      color: var(--teal-dark) !important;
      font-weight: 700;
    }

    .home-btn:hover {
      background: var(--orange) !important;
      clip-path: polygon(0 0, 88% 0, 100% 50%, 88% 100%, 0 100%);
    }

    /* ── Hero Banner ── */
    .hero-banner {
      background: linear-gradient(135deg, #1e4a57 0%, #2a5f6e 40%, #1a3a45 70%, #0d2530 100%);
      position: relative;
      overflow: hidden;
      min-height: 200px;
      display: flex;
      align-items: center;
      padding: 40px 50px;
    }

    .hero-banner::before {
      content: '';
      position: absolute;
      right: -40px;
      top: -30px;
      width: 520px;
      height: 250px;
      background: conic-gradient(from 200deg at 70% 50%, #f5a623cc, #e07b1a99, #c0392b88, #1a1a1a55, transparent 60%);
      border-radius: 50% 0 0 60%;
      filter: blur(2px);
    }

    .hero-banner::after {
      content: '';
      position: absolute;
      right: 30px;
      top: 10px;
      width: 380px;
      height: 200px;
      background: conic-gradient(from 180deg at 65% 50%, #f5c84299, #e07b1a77, transparent 55%);
      border-radius: 50% 0 0 60%;
    }

    .hero-title {
      font-family: 'Playfair Display', serif;
      font-style: italic;
      font-size: clamp(1.2rem, 3vw, 1.75rem);
      color: #fff;
      position: relative;
      z-index: 2;
      line-height: 1.5;
    }

    .hero-subtitle {
      color: var(--gold);
      font-weight: 600;
      font-size: 0.95rem;
      position: relative;
      z-index: 2;
      margin-top: 16px;
    }

    /* ── Main Content Area ── */
    .content-wrapper {
      background: #f0efeb;
      padding: 30px 0 40px;
    }

    /* ── Sidebar ── */
    .sidebar-nav {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .sidebar-nav li {
      padding: 5px 0;
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.88rem;
    }

    .sidebar-nav li::before {
      content: '';
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: var(--sidebar-bullet);
      flex-shrink: 0;
    }

    .sidebar-nav a {
      color: #1a5276;
      text-decoration: none;
      transition: color 0.2s;
    }

    .sidebar-nav a:hover {
      color: var(--orange);
    }

    .view-all-btn {
      background: linear-gradient(90deg, var(--gold), var(--orange));
      border: none;
      color: #fff;
      font-weight: 600;
      font-size: 0.85rem;
      padding: 8px 22px;
      border-radius: 4px;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      margin-top: 14px;
      text-decoration: none;
      transition: opacity 0.2s;
    }

    .view-all-btn:hover {
      opacity: 0.85;
      color: #fff;
    }

    .sidebar-divider {
      width: 2px;
      background: linear-gradient(to bottom, var(--teal), transparent);
      min-height: 100%;
    }

    /* ── Main Panel ── */
    .main-panel {
      background: #fff;
      border: 1px solid #ddd;
      padding: 28px 30px;
    }

    .main-panel h2 {
      font-family: 'Playfair Display', serif;
      font-size: 1.05rem;
      font-weight: 600;
      text-align: center;
      color: #1a1a1a;
      line-height: 1.5;
    }

    .ugc-notice a {
      color: #1a5276;
      font-size: 0.88rem;
    }

    /* ── UGC Table ── */
    .ugc-header {
      background: var(--green);
      color: #fff;
      font-weight: 700;
      font-size: 1rem;
      text-align: center;
      padding: 12px;
      letter-spacing: 0.5px;
    }

    .ugc-table {
      width: 100%;
      border-collapse: collapse;
    }

    .ugc-table tr td {
      padding: 10px 16px;
      border-bottom: 1px solid #e0e0e0;
      font-size: 0.88rem;
    }

    .ugc-table tr td:first-child {
      font-weight: 600;
      text-align: right;
      color: #333;
      width: 42%;
      background: #f9f9f7;
    }

    .ugc-table tr td:last-child {
      color: #2a5f6e;
    }

    .ugc-table tr:last-child td {
      border-bottom: none;
    }

    /* ── Footer ── */
    .site-footer {
      background: var(--teal-dark);
      color: #aac8d0;
      font-size: 0.8rem;
      text-align: center;
      padding: 18px;
    }

    .site-footer a {
      color: var(--gold);
      text-decoration: none;
    }

    .site-footer a:hover {
      text-decoration: underline;
    }

    @media (max-width: 767px) {
      .hero-banner {
        padding: 30px 20px;
      }

      .hero-banner::before,
      .hero-banner::after {
        display: none;
      }

      .main-panel {
        padding: 18px 14px;
      }

      .sidebar-divider {
        display: none;
      }
    }