body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f8f9fa;
}

.content {
  transition: margin-left 0.3s ease;
  min-height: 100vh;
}

.page {
  display: none;
  padding: 15px 0;
}

.page.active {
  display: block;
}

.face-image {
  width: 100px;
  height: 100px;
  object-fit: cover;
  border-radius: 5px;
  border: 1px solid #ddd;
}

.timestamp {
  font-size: 0.8rem;
  color: #666;
}

#loadingSpinner {
  display: none;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: rgba(255, 255, 255, 0.9);
  padding: 20px;
  border-radius: 10px;
  z-index: 1000;
  text-align: center;
  box-shadow: 0 0 15px rgba(0,0,0,0.1);
}

.search-section {
  margin-bottom: 15px;
  padding: 15px;
  border: 1px solid #eee;
  border-radius: 5px;
  background-color: #f8f9fa;
}

.overview-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border-radius: 8px;
  border: none;
  box-shadow: 0 0 10px rgba(0,0,0,0.05);
}

.overview-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.card-header {
  border-top-left-radius: 8px !important;
  border-top-right-radius: 8px !important;
}