header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1000;
    }
    body {
      padding-top: 70px;
    }
    main {
      max-width: 1400px;
      margin: 2rem auto;
      padding: 0 2rem;
    }
    .page-header {
      margin-bottom: 3rem;
    }
    .page-header h1 {
      font-size: 32px;
      font-weight: 700;
      color: #1e3a5f;
      margin-bottom: 0.5rem;
    }
    .page-header p {
      font-size: 16px;
      color: #666;
    }
    .details-filters {
      display: flex;
      gap: 1rem;
      flex-wrap: wrap;
      margin-bottom: 2rem;
      padding: 1.5rem;
      background: #faf9f7;
      border-radius: 8px;
      border: 1px solid #e5e7eb;
    }
    .filter-group {
      display: flex;
      gap: 0.5rem;
      flex-wrap: wrap;
      align-items: center;
    }
    .filter-label {
      font-weight: 600;
      color: #1e3a5f;
      font-size: 14px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .project-details {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
      gap: 2rem;
    }
    .project-card {
      background: #fff;
      border: 1px solid #e5e7eb;
      border-radius: 12px;
      padding: 1.5rem;
      transition: all 0.2s;
    }
    .project-card:hover {
      border-color: #0891b2;
      box-shadow: 0 4px 12px rgba(8, 145, 178, 0.15);
      transform: translateY(-2px);
    }
    .project-card h3 {
      font-size: 18px;
      font-weight: 700;
      color: #1e3a5f;
      margin-bottom: 0.75rem;
      word-break: break-word;
    }
    .project-meta {
      display: flex;
      flex-direction: column;
      gap: 0.5rem;
      font-size: 13px;
      color: #666;
      margin-bottom: 1rem;
      padding-bottom: 1rem;
      border-bottom: 1px solid #e5e7eb;
    }
    .project-meta-item {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .project-meta-label {
      font-weight: 600;
      color: #1e3a5f;
    }
    .project-value {
      font-size: 16px;
      font-weight: 700;
      color: #0891b2;
      margin-bottom: 1rem;
    }
    .status-badge {
      display: inline-block;
      padding: 4px 12px;
      border-radius: 12px;
      font-size: 12px;
      font-weight: 600;
      text-transform: capitalize;
    }
    .status-active {
      background: #d1fae5;
      color: #065f46;
    }
    .status-completed {
      background: #d1fae5;
      color: #065f46;
    }
    .status-planning {
      background: #fef3c7;
      color: #78350f;
    }
    .status-on-hold {
      background: #fecaca;
      color: #7f1d1d;
    }
    .progress-bar {
      width: 100%;
      height: 8px;
      background: #e5e7eb;
      border-radius: 4px;
      overflow: hidden;
      margin-top: 0.5rem;
    }
    .progress-fill {
      height: 100%;
      background: #0891b2;
      border-radius: 4px;
      transition: width 0.3s;
    }
    .back-link {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      margin-bottom: 2rem;
      color: #0891b2;
      text-decoration: none;
      font-weight: 600;
      transition: color 0.2s;
    }
    .back-link:hover {
      color: #06b6d4;
    }
    .country-selector {
      position: relative;
      display: inline-block;
    }
    .country-selector-btn {
      background: none;
      border: 1px solid #e5e7eb;
      padding: 8px 12px;
      border-radius: 6px;
      cursor: pointer;
      font-size: 14px;
      font-weight: 500;
      color: #1e3a5f;
      transition: all 0.2s;
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .country-selector-btn:hover {
      border-color: #0891b2;
      background: #f0f9ff;
    }
    .country-selector-dropdown {
      position: absolute;
      top: 100%;
      left: 0;
      background: #fff;
      border: 1px solid #e5e7eb;
      border-radius: 8px;
      min-width: 200px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
      z-index: 1000;
      display: none;
      margin-top: 8px;
    }
    .country-selector-dropdown.active {
      display: block;
    }
    .country-option {
      padding: 10px 16px;
      cursor: pointer;
      transition: background 0.2s;
      border-bottom: 1px solid #f0f0f0;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .country-option:last-child {
      border-bottom: none;
    }
    .country-option:hover {
      background: #f0f9ff;
      color: #0891b2;
    }
    .country-option.active {
      background: #f0f9ff;
      color: #0891b2;
      font-weight: 600;
    }
    .header-left {
      display: flex;
      align-items: center;
      gap: 2rem;
    }
    @media (max-width: 768px) {
      main {
        padding: 0 1rem;
      }
      .project-details {
        grid-template-columns: 1fr;
      }
      .page-header h1 {
        font-size: 24px;
      }
    }