.tab-container {
      display: flex;
      flex-wrap: wrap;
    }
    .tab-menu {
      width: 250px;
      background: #fff;
      border-radius: 10px;
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
      padding: 15px;
      margin-right: 20px;
      height: 100%;
    }
    .tab-menu .nav-link {
      color: #632d8b;
      border: 2px solid #632d8b;
      border-radius: 10px;
      margin-bottom: 10px;
      transition: all 0.3s ease;
      font-weight: 600;
      white-space: normal;
      word-break: break-word;
      text-align: center;
      padding: 10px 15px;
      min-height: 60px;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .tab-menu .nav-link.active, .tab-menu .nav-link:hover {
      background-color: #ea2d8e;
      color: #fff;
      border-color: #ea2d8e;
      box-shadow: 0 4px 12px rgba(234, 45, 142, 0.4);
    }
    .tab-content {
      flex: 1;
      min-width: 0;
    }
    .doc-list {
      background: #fff;
      border-radius: 10px;
      padding: 20px;
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
      height: 100%;
    }
    .doc-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 12px 0;
      border-bottom: 1px dashed #ccc;
      transition: background 0.3s ease;
    }
    .doc-item:hover {
      background-color: #f1f1f1;
    }
    .doc-icon {
      color: #632d8b;
      margin-right: 15px;
      font-size: 1.4rem;
    }
    .btn-download {
      background-color: #ea2d8e;
      color: white;
      border: none;
      box-shadow: 0 2px 6px rgba(234, 45, 142, 0.5);
    }
    .btn-download:hover {
      background-color: #c01e6c;
    }
    .date {
      font-size: 0.85rem;
      color: #999;
    }
    .nav {
      padding-left: 15px!important;
    }
    .tab-menu h6 {
      font-weight: bold;
      font-size: 0.95rem;
      margin-bottom: 10px;
      color: #444;
    }
    .doc-item[style*="display: none"] {
      display: none !important;
    }