.bdi-test {
  max-width: 700px;
  margin: 0 auto;
  padding: 32px 20px;
  background: #fff;
  border-radius: 24px;
  box-shadow: 0 4px 32px rgba(44,62,80,0.07);
}

.bdi-question {
  margin-bottom: 32px;
  padding: 24px 20px;
  background: #f8f9fa;
  border-radius: 16px;
  box-shadow: 0 2px 8px rgba(44,62,80,0.03);
}

.bdi-q-title {
  font-size: 1.15em;
  font-weight: 600;
  color: #1a237e;
  margin-bottom: 16px;
}

.bdi-options {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.bdi-option {
  display: flex;
  align-items: flex-start;
  background: #e3f2fd;
  border-radius: 8px;
  padding: 12px 16px;
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s;
  font-size: 1em;
  position: relative;
}

.bdi-option input[type="radio"] {
  accent-color: #3498db;
  margin-right: 12px;
  margin-top: 2px;
}

.bdi-option input[type="radio"]:checked + span {
  font-weight: 600;
  color: #1565c0;
}

.bdi-option:hover {
  background: #bbdefb;
}

.bdi-btn {
  display: block;
  width: 100%;
  max-width: 320px;
  margin: 32px auto 0 auto;
  padding: 16px 0;
  background: linear-gradient(90deg, #3498db 0%, #7c4dff 100%);
  color: #fff;
  font-size: 1.15em;
  font-weight: 600;
  border: none;
  border-radius: 32px;
  cursor: pointer;
  box-shadow: 0 2px 12px rgba(44,62,80,0.08);
  transition: background 0.2s, box-shadow 0.2s;
}

.bdi-btn:hover {
  background: linear-gradient(90deg, #217dbb 0%, #651fff 100%);
  box-shadow: 0 4px 24px rgba(44,62,80,0.13);
}

.bdi-result {
  display: none;
  background: #e3f2fd;
  border-radius: 20px;
  padding: 32px 24px;
  margin-top: 40px;
  box-shadow: 0 2px 16px rgba(44,62,80,0.05);
  text-align: center;
}

.bdi-result h2 {
  color: #1a237e;
  margin-bottom: 16px;
}

.bdi-result p {
  font-size: 1.1em;
  margin: 10px 0;
}

@media (max-width: 600px) {
  .bdi-test {
    padding: 12px 2vw;
    border-radius: 12px;
  }
  .bdi-question {
    padding: 12px 8px;
    border-radius: 8px;
  }
  .bdi-result {
    padding: 18px 8px;
    border-radius: 10px;
  }
}