@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;700&display=swap');

body {
  font-family: 'Montserrat', Arial, sans-serif;
  background: #f5f5f5;
  color: #222;
  margin: 0;
  padding: 0;
}

header {
  background: #1a3c2b;
  color: #fff;
  padding: 2rem 0 1rem 0;
  text-align: center;
}

header h1 {
  margin: 0;
  font-size: 2.5rem;
  letter-spacing: 2px;
}

.subtitle {
  font-size: 1.1rem;
  color: #b2dfdb;
}

main {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  min-height: 70vh;
  padding: 2rem 0;
}

#quiz-container {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 24px rgba(26, 60, 43, 0.08);
  padding: 2rem 2.5rem;
  max-width: 600px;
  width: 100%;
}

#timer {
  font-size: 1.2rem;
  font-weight: bold;
  color: #388e3c;
  margin-bottom: 1.5rem;
  text-align: right;
}

.question-block {
  margin-bottom: 2rem;
}

.question {
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: #1a3c2b;
}

.options label {
  display: block;
  margin-bottom: 0.4rem;
  cursor: pointer;
  padding-left: 1.2rem;
  position: relative;
}

.options input[type="radio"] {
  position: absolute;
  left: 0;
  top: 2px;
}

#submit-btn {
  background: #388e3c;
  color: #fff;
  border: none;
  padding: 0.8rem 2rem;
  border-radius: 6px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  margin-top: 1rem;
  transition: background 0.2s;
}

#submit-btn:hover {
  background: #256029;
}

#result {
  margin-top: 2rem;
  font-size: 1.3rem;
  font-weight: bold;
  color: #1a3c2b;
  text-align: center;
}

footer {
  background: #1a3c2b;
  color: #b2dfdb;
  text-align: center;
  padding: 1rem 0;
  font-size: 1rem;
  margin-top: 2rem;
}