body {
    font-family: "Segoe UI", sans-serif;
    background-color: #f4f6f8;
  }
  
  .navbar {
    padding: 12px 20px;
    box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.1);
}

.navbar-brand img {
    max-height: 45px;
    margin-left: 0px;
}

.navbar-nav .nav-link {
    font-weight: bold;
    transition: color 0.3s ease-in-out;
}

.navbar-nav .nav-link:hover {
    color: #d4edda !important;
}
  
  h4 {
    font-weight: 600;
    color: #097a4a;
  }
  
  .signature-container {
    background-color: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.1);
    max-width: 650px;
  }
  
  #signatureCanvas {
    width: 100%;
    height: auto;
  }
  
  #imageModal .modal-content {
    background-color: #000;
    border: none;
    max-height: 95vh;
    overflow: hidden;
  }
  
  #modalImage {
    width: 100%;
    height: auto;
    object-fit: contain;
  }
  
  /* Miniatures images */
  #imagePreview img {
    cursor: pointer;
    transition: transform 0.2s ease;
    border: 2px solid #ddd;
    border-radius: 8px;
  }
  
  #imagePreview img:hover {
    transform: scale(1.03);
    border-color: #198754;
  }
  
  #loadingOverlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255,255,255,0.8);
    z-index: 9999;
    justify-content: center;
    align-items: center;
}