:root {
  --primary-color: #003f88;
  --secondary-color: #00509d;
  --accent-color: #dc3545;
  --text-color: #333333;
  --background-color: #f8f9fa;
  --error-color: #dc3545;
  --success-color: #28a745;
}

body {
  background-color: var(--background-color);
  color: var(--text-color);
  line-height: 1.6;
}

.banner {
  background-image: linear-gradient(to left top, var(--primary-color), var(--secondary-color));
  border-bottom: 4px solid var(--accent-color);
}

h1, h2, h3, h4 {
  margin-bottom: 1rem;
}

.card {
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.card:hover {
  box-shadow: 0 6px 8px rgba(0, 0, 0, 0.15);
  transform: translateY(-2px);
}

.input-container {
  position: relative;
  margin-bottom: 1.5rem;
}

.input-field {
  width: 100%;
  padding: 0.75rem;
  font-size: 1rem;
  border: 1px solid #ced4da;
  border-radius: 0.25rem;
  transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.input-field:focus {
  border-color: var(--primary-color);
  outline: 0;
  box-shadow: 0 0 0 0.2rem rgba(0, 63, 136, 0.25);
}

.input-label {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  pointer-events: none;
  transition: all 0.3s ease;
  color: #6c757d;
}

.input-field:focus ~ .input-label,
.input-field:not(:placeholder-shown) ~ .input-label {
  top: -0.5rem;
  left: 0.5rem;
  font-size: 0.75rem;
  color: var(--primary-color);
  background-color: var(--background-color);
  padding: 0 0.25rem;
}

.error-message {
  color: var(--error-color);
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

.input-error {
  border-color: var(--error-color);
}

.btn-primary {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

.btn-primary:hover, .btn-primary:focus {
  background-color: var(--secondary-color);
  border-color: var(--secondary-color);
}

.progress-bar {
  height: 0.5rem;
  background-color: var(--accent-color);
  width: 0;
  transition: width 0.3s ease;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.result-card {
  background-color: #e9ecef;
  border-left: 5px solid var(--primary-color);
}

.question-result {
  padding: 0.5rem;
  margin-bottom: 0.5rem;
  border-radius: 0.25rem;
}

.question-result.correct {
  background-color: rgba(40, 167, 69, 0.1);
  border-left: 3px solid var(--success-color);
}

.question-result.incorrect {
  background-color: rgba(220, 53, 69, 0.1);
  border-left: 3px solid var(--error-color);
}

.feedback-icon {
  font-size: 1.25rem;
  margin-right: 0.5rem;
}

@media (prefers-reduced-motion: reduce) {
  .card, .input-field, .progress-bar {
      transition: none;
  }
}



  .bold {
    font-weight: bold;
  }