:root {
      --bg-gradient: linear-gradient(135deg, #090814 0%, #170d2b 50%, #0d061a 100%);
      --glass-bg: rgba(24, 20, 36, 0.65);
      --glass-border: rgba(145, 70, 255, 0.25);
      --glass-border-light: rgba(255, 255, 255, 0.12);
      --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.45);
      --accent-purple: #9146ff;
      --accent-glow: rgba(145, 70, 255, 0.5);
      --text-main: #f0f0f5;
      --text-muted: #adadb8;

      /* Helpdesk Status Colors */
      --status-operational: #2ed573;
      --tag-new-bg: rgba(46, 213, 115, 0.15);
      --tag-new-border: rgba(46, 213, 115, 0.4);
      --tag-new-color: #2ed573;

      --tag-imp-bg: rgba(30, 144, 255, 0.15);
      --tag-imp-border: rgba(30, 144, 255, 0.4);
      --tag-imp-color: #70a1ff;

      --tag-fix-bg: rgba(255, 71, 87, 0.15);
      --tag-fix-border: rgba(255, 71, 87, 0.4);
      --tag-fix-color: #ff6b81;
    }

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
      background: var(--bg-gradient);
      background-attachment: fixed;
      color: var(--text-main);
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      overflow-x: hidden;
      line-height: 1.6;
    }

    /* Navigation */
    nav {
      background: var(--glass-bg);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--glass-border);
      padding: 16px 32px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      z-index: 100;
    }

    .brand {
      font-size: 20px;
      font-weight: 700;
      background: linear-gradient(135deg, #ffffff 0%, #c4a1ff 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      text-decoration: none;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .nav-btn {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid var(--glass-border-light);
      color: var(--text-main);
      padding: 8px 18px;
      border-radius: 20px;
      font-size: 13px;
      font-weight: 600;
      text-decoration: none;
      transition: all 0.2s ease;
    }

    .nav-btn:hover {
      background: var(--accent-purple);
      border-color: var(--accent-purple);
      box-shadow: 0 0 15px var(--accent-glow);
    }

    /* System Status Bar */
    .status-bar {
      background: rgba(13, 9, 20, 0.7);
      border-bottom: 1px solid var(--glass-border-light);
      padding: 8px 32px;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-size: 12px;
      color: var(--text-muted);
    }

    .status-dot {
      width: 8px;
      height: 8px;
      background-color: var(--status-operational);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--status-operational);
    }

    /* Header & Hero Search */
    .hero-section {
      text-align: center;
      padding: 50px 24px 30px;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 20px;
    }

    .hero-title {
      font-size: 38px;
      font-weight: 800;
      line-height: 1.2;
      background: linear-gradient(180deg, #ffffff 0%, #b8a3e0 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    /* Helpdesk Search Box */
    .search-box {
      position: relative;
      width: 100%;
      max-width: 650px;
    }

    .search-input {
      width: 100%;
      background: rgba(18, 14, 28, 0.85);
      border: 1px solid var(--glass-border);
      border-radius: 30px;
      padding: 16px 24px 16px 50px;
      font-size: 15px;
      color: #fff;
      outline: none;
      box-shadow: var(--glass-shadow);
      transition: all 0.3s ease;
    }

    .search-input:focus {
      border-color: var(--accent-purple);
      box-shadow: 0 0 25px var(--accent-glow);
    }

    .search-icon {
      position: absolute;
      left: 20px;
      top: 50%;
      transform: translateY(-50%);
      font-size: 18px;
      opacity: 0.6;
    }

    /* Main Container */
    .container {
      max-width: 1050px;
      margin: 0 auto 80px;
      padding: 0 24px;
      display: flex;
      flex-direction: column;
      gap: 50px;
    }

    .section-title {
      font-size: 22px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    /* Helpdesk Category Grid */
    .helpdesk-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 24px;
    }

    .category-card {
      background: var(--glass-bg);
      backdrop-filter: blur(12px);
      border: 1px solid var(--glass-border-light);
      border-radius: 16px;
      padding: 28px;
      box-shadow: var(--glass-shadow);
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .category-header {
      display: flex;
      align-items: center;
      gap: 12px;
      border-bottom: 1px solid var(--glass-border-light);
      padding-bottom: 12px;
    }

    .category-icon {
      font-size: 24px;
    }

    .category-title {
      font-size: 18px;
      font-weight: 700;
      color: #fff;
    }

    /* Helpdesk Article Links List */
    .article-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .article-link {
      color: var(--text-muted);
      text-decoration: none;
      font-size: 14px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 6px 0;
      transition: color 0.2s ease;
    }

    .article-link:hover {
      color: #c4a1ff;
    }

    .article-link::after {
      content: "→";
      opacity: 0.4;
      transition: opacity 0.2s ease;
    }

    .article-link:hover::after {
      opacity: 1;
    }

    /* Version / Update Card */
    .update-card {
      background: var(--glass-bg);
      backdrop-filter: blur(12px);
      border: 1px solid var(--glass-border-light);
      border-radius: 16px;
      padding: 24px;
      box-shadow: var(--glass-shadow);
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin-bottom: 16px;
    }

    .update-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
      border-bottom: 1px solid var(--glass-border-light);
      padding-bottom: 12px;
    }

    .version-title-group {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .version-number {
      font-size: 20px;
      font-weight: 800;
      color: #fff;
    }

    .latest-pill {
      background: var(--accent-purple);
      color: #fff;
      font-size: 10px;
      font-weight: 700;
      padding: 2px 8px;
      border-radius: 10px;
      text-transform: uppercase;
    }

    .release-date {
      font-size: 13px;
      color: var(--text-muted);
    }

    .update-list {
      display: flex;
      flex-direction: column;
      gap: 10px;
      list-style: none;
    }

    .update-item {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      font-size: 14px;
      color: var(--text-muted);
    }

    .tag {
      display: inline-block;
      padding: 2px 6px;
      border-radius: 4px;
      font-size: 10px;
      font-weight: 700;
      text-transform: uppercase;
      flex-shrink: 0;
      margin-top: 2px;
    }

    .tag-new { background: var(--tag-new-bg); border: 1px solid var(--tag-new-border); color: var(--tag-new-color); }
    .tag-improvement { background: var(--tag-imp-bg); border: 1px solid var(--tag-imp-border); color: var(--tag-imp-color); }
    .tag-fix { background: var(--tag-fix-bg); border: 1px solid var(--tag-fix-border); color: var(--tag-fix-color); }

    /* Support Ticket Callout Banner */
    .ticket-banner {
      background: linear-gradient(135deg, rgba(145, 70, 255, 0.2) 0%, rgba(24, 20, 36, 0.85) 100%);
      border: 1px solid var(--glass-border);
      border-radius: 16px;
      padding: 32px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
      box-shadow: var(--glass-shadow);
    }

    .ticket-btn {
      background: var(--accent-purple);
      color: #fff;
      padding: 14px 28px;
      border-radius: 30px;
      font-size: 14px;
      font-weight: 700;
      text-decoration: none;
      box-shadow: 0 0 20px var(--accent-glow);
      transition: all 0.3s ease;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .ticket-btn:hover {
      transform: scale(1.03);
      box-shadow: 0 0 30px var(--accent-glow);
    }

    /* Footer */
    footer {
      text-align: center;
      padding: 30px 24px;
      border-top: 1px solid var(--glass-border-light);
      font-size: 13px;
      color: var(--text-muted);
      background: rgba(12, 9, 20, 0.8);
    }

    footer a { color: var(--text-main); text-decoration: none; margin: 0 8px; font-weight: 600; }
    footer a:hover { color: var(--accent-purple); }

    @media (max-width: 650px) {
      .hero-title { font-size: 30px; }
      .ticket-banner { flex-direction: column; text-align: center; }
      nav { padding: 16px 20px; }
    }