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

body {
  font-family: 'Segoe UI', Arial, sans-serif;
  background: linear-gradient(135deg, #667eea, #764ba2);
  min-height: 100vh;
  padding: 20px;
  color: #333;
}

.quiz-container {
  max-width: 700px;
  margin: 0 auto;
  background: #fff;
  border-radius: 16px;
  padding: 30px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

h1 {
  text-align: center;
  color: #4a3aff;
  margin-bottom: 25px;
}

.question {
  margin-bottom: 20px;
  padding: 15px;
  background: #f7f8fc;
  border-radius: 10px;
  border-left: 4px solid #667eea;
}

.question p { margin-bottom: 10px; }

.question label {
  display: block;
  padding: 8px 12px;
  margin: 4px 0;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.2s;
}

.question label:hover { background: #e8ecf8; }

.submit-btn {
  display: block;
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: #fff;
  border: none;
  border-radius: 10px;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  margin-top: 20px;
  transition: transform 0.15s;
}

.submit-btn:hover { transform: translateY(-2px); }

.result-box {
  display: none;
  margin-top: 20px;
  padding: 20px;
  border-radius: 10px;
  text-align: center;
}

.result-box.show {
  display: block;
  background: #e8f5e9;
  border: 2px solid #4caf50;
}

.result-box.warning {
  display: block;
  background: #fff3e0;
  border: 2px solid #ff9800;
}

.score { font-size: 22px; font-weight: bold; color: #2e7d32; }
.percent { font-size: 36px; font-weight: bold; color: #4a3aff; margin: 8px 0; }
.message { font-size: 16px; color: #555; }