:root {
      --primary-color: #4361ee;
      --primary-dark: #3a56d4;
      --secondary-color: #3f37c9;
      --accent-color: #4895ef;
      --light-color: #f8f9fa;
      --dark-color: #212529;
      --gray-color: #6c757d;
      --success-color: #4bb543;
      --warning-color: #fca311;
      --danger-color: #e63946;
      --border-radius: 16px;
      --box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
      --transition: all 0.3s ease;
      --icon-size: 5rem;
      --icon-padding: 0.5rem;
  }

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

  #fixed-icon {
      position: fixed;
      bottom: var(--icon-padding);
      right: var(--icon-padding);
      width: var(--icon-size);
      z-index: 9999;
      cursor: pointer;
  }

  #fixed-icon img {
      width: 100%;
      height: 100%;
      object-fit: contain;
  }

  body {
      font-family: 'Inter', sans-serif;
      margin: 0;
      padding: 0;
      background: #f5f7ff;
      color: var(--dark-color);
      line-height: 1.6;
  }

  .app-container {
      max-width: 1400px;
      margin: 0 auto;
      padding: 2rem;
  }

  header {
      text-align: center;
      margin-bottom: 2.5rem;
  }

  h1 {
      color: var(--primary-color);
      font-size: 2.5rem;
      margin-bottom: 0.5rem;
      font-weight: 700;
  }

  .subtitle {
      color: var(--gray-color);
      font-size: 1.1rem;
      margin-bottom: 2rem;
  }

  .card {
      background: white;
      border-radius: var(--border-radius);
      box-shadow: var(--box-shadow);
      padding: 1.5rem;
      margin-bottom: 2rem;
      transition: var(--transition);
  }

  .card:hover {
      transform: translateY(-5px);
      box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
  }

  .card-title {
      font-size: 1.3rem;
      color: var(--primary-dark);
      margin-bottom: 1.2rem;
      display: flex;
      align-items: center;
      gap: 0.5rem;
  }

  .card-title i {
      color: var(--accent-color);
  }

  .button-group {
      display: flex;
      gap: 1rem;
      margin-bottom: 2rem;
      flex-wrap: wrap;
  }

  .button {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      padding: 12px 24px;
      background-color: var(--primary-color);
      color: white;
      border-radius: var(--border-radius);
      cursor: pointer;
      transition: var(--transition);
      font-weight: 500;
      border: none;
      font-size: 1rem;
      text-decoration: none;
  }

  .button:hover {
      background-color: var(--primary-dark);
      transform: translateY(-2px);
  }

  .button-secondary {
      background-color: var(--secondary-color);
  }

  .button-secondary:hover {
      background-color: var(--accent-color);
  }

  input[type="file"] {
      display: none;
  }

  .metrics-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 1.5rem;
      margin-bottom: 2rem;
  }

  .metric-card {
      background: white;
      border-radius: var(--border-radius);
      box-shadow: var(--box-shadow);
      padding: 1rem;
      text-align: center;
  }

  .metric-value {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--primary-color);
      margin: 0.5rem 0;
  }

  .metric-label {
      color: var(--gray-color);
      font-size: 0.9rem;
  }

  .metric-detail {
      margin-top: 0.5rem;
      font-size: 0.9rem;
      color: var(--dark-color);
  }

  #tabelaCursos {
      width: 100%;
      border-collapse: collapse;
      margin-top: 1rem;
      box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
      border-radius: var(--border-radius);
      overflow: hidden;
  }

  #tabelaCursos thead {
      background-color: var(--primary-color);
      color: white;
  }

  #tabelaCursos th {
      padding: 1rem;
      text-align: left;
      font-weight: 500;
  }

  #tabelaCursos td {
      padding: 0.8rem 1rem;
      border-bottom: 1px solid #eee;
  }

  #tabelaCursos tbody tr:hover {
      background-color: rgba(72, 149, 239, 0.1);
  }

  #tabelaCursos tbody tr:nth-child(even) {
      background-color: #f9f9f9;
  }

  .status-message {
      text-align: center;
      margin: 1rem 0;
      padding: 1rem;
      border-radius: var(--border-radius);
      display: none;
  }

  .loading {
      display: flex;
      justify-content: center;
      margin: 2rem 0;
      display: none;
  }

  .spinner {
      border: 4px solid rgba(0, 0, 0, 0.1);
      width: 36px;
      height: 36px;
      border-radius: 50%;
      border-left-color: var(--primary-color);
      animation: spin 1s linear infinite;
  }

  @keyframes spin {
      0% {
          transform: rotate(0deg);
      }

      100% {
          transform: rotate(360deg);
      }
  }

  .details-section {
      margin: 2rem;
  }

  .details-grid {
      display: grid;
      grid-template-columns: 1fr;
  }

  .person-courses {
      margin-top: 1rem;
  }

  .person-course {
      display: flex;
      justify-content: space-between;
      padding: 0.5rem 0;
      border-bottom: 1px solid #eee;
  }

  .highlight {
      background-color: rgba(67, 97, 238, 0.1);
      padding: 0.2rem 0.5rem;
      border-radius: 4px;
      font-weight: 500;
  }

  @media (max-width: 768px) {
      .details-grid {
          grid-template-columns: 1fr;
      }

      .metrics-grid {
          grid-template-columns: 1fr;
      }

      .button-group {
          flex-direction: column;
      }
  }